CN102398045A - Lathe saddle - Google Patents
Lathe saddle Download PDFInfo
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- CN102398045A CN102398045A CN2010102782202A CN201010278220A CN102398045A CN 102398045 A CN102398045 A CN 102398045A CN 2010102782202 A CN2010102782202 A CN 2010102782202A CN 201010278220 A CN201010278220 A CN 201010278220A CN 102398045 A CN102398045 A CN 102398045A
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- mobile base
- bearing
- firm banking
- guide rail
- groove
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Abstract
The invention discloses a lathe saddle, which comprises a tool installation seat, a fixed base and a movable base, wherein one end of the movable base is arranged on the fixed base through a bearing; the axis of the bearing is vertical to the fixed base; a circular-arc guide rail is arranged between the fixed base and a movable guide rail; the revolving central line of the circular-arc guide rail is superposed with the axis of the bearing; the tool installation seat is arranged on the movable base; the movable base is provided with a master form contact installation seat; the fixed base is provided with a master form contact retaining piece; and a spring is arranged between the master form contact retaining piece and the master form contact installation seat. In the lathe saddle, the fixed base and the movable base are adopted, the movable base can rotate around the bearing at one end, and the circular-arc guide rail is arranged between the fixed base and the movable base for supporting the movable base; and a master form contact clings to a master form under the action of the acting force of the spring, and the motion locus of the master form contact is decided by the shape of the master form, so that processing of a noncircular part is realized.
Description
Technical field
The present invention relates to machining equipment, particularly be used to process the lathe of non-circle contour part, specifically is a kind of lathe saddle.
Background technology
The raising of engineering goods performance and quality, inseparable with designing technique and improvement of Manufacturing Technology.In recent years, non-circle design extensive use in some product designs.For example designs such as outer surface key position middle-convex and varying ellipse, noncircular pin hole are generally adopted in the design of piston.Non-cylinder Technology for Turning Machining becomes in this technology one of key technology that design is become product, and its development course is divided into following three phases: (1) mechanical movement synthetic method process segment.The mechanical movement synthetic method is through the synthetic turning movement locus that produces irregular excircle of motion of mechanism.Its advantage is that production efficiency is high, is suitable for producing in enormous quantities; Shortcoming is flexible poor, and machining accuracy is lower.(2) the profile tracer method process segment.The profile tracer method is utilized the relative movement orbit of pattern control lathe tool and workpiece, forms required surface configuration.Advantage is that the range of work is wide; Shortcoming is that machining accuracy is lower.(3) the digital control processing stage.With irregular excircle shape data input computer, drive lathe tool reciprocating feed by the computer control feed mechanism through programming, directly turning goes out irregular excircle.Advantage is to realize high-speed turning, and it is wide to obtain higher surface quality, the range of work; Its shortcoming is to involve great expense, and is relatively poor to the piston economy of producing in enormous quantities.From the present condition for application of non-round lathe for machining, the pattern process technology is more suitable for producing in enormous quantities.Improve the precision of three-dimensional explorator processing method, can realize the processing low-costly and in high volume of the non-round product of high accuracy.Chinese invention patent " stereo-profile-tracing turning apparatus " (November 8 1996 applying date; March 16 2005 Granted publication day; Granted publication CN1192838C) disclose a kind of profile turning device, its tool rest and copying contact seat are located on the pendular body, swing in perpendicular to pattern axis plane through pendular body; Regulate the angle of lathe tool, thereby improve the contour turning processing effect with respect to work.But its cutter head is identical with the movement locus of pattern contact, needs the manual adjustments lathe tool to the length that workpiece stretches out when perhaps regulating, and is not easy to process the workpiece of appearance similar, proportional zoom, especially is the workpiece of non-circle contour.
Summary of the invention
The object of the present invention is to provide a kind of lathe saddle, described this lathe saddle will solve in the prior art the low technical problem of precision when on lathe, adopting pattern to process non-circle contour part.
The objective of the invention is to realize: this lathe saddle through following technical scheme; Comprise tool fitting, this lathe saddle also comprises a firm banking and mobile base, and mobile base one end is located on the firm banking through bearing; The axis normal of bearing is in firm banking; Between firm banking and movable guiding rail, also be provided with arc guide rail, the centre of gyration line of this arc guide rail and the dead in line of bearing, mobile base is supported on the firm banking through this arc guide rail; Tool fitting is located on the mobile base; Also be provided with pattern contact mount pad on the mobile base, on firm banking, be provided with the pattern contact and push against part, this pattern contact pushes against between part and the pattern contact mount pad and is provided with spring.
Arc guide rail is fixed in the mobile base downside; Also be provided with the ball rolling element in the arc guide rail bottom;, correspondingly with the arc guide rail position on firm banking offer an arc groove, mobile base through arc guide rail and ball rolling element bearing in the arc groove of firm banking.
On mobile base, offer groove along its length direction; Tool fitting is located on the mobile base through this groove by bolt; Pattern contact mount pad is located on the mobile base through this groove by bolt, on firm banking, offers another groove, and this another groove is parallel with the groove on the mobile base; The pattern contact pushes against part and is located on the firm banking through this another groove by bolt, and the distance of pattern contact mount pad and bearing is greater than the distance of tool fitting and bearing.
Lathe tool is located on the tool fitting through the cutter pressing plate, and the cutter pressing plate is connected through bolt with tool fitting, and the cutter pressing plate is provided with along the chute of lathe tool length direction; In this chute, be provided with bolt, the screw rod of bolt is arranged on the tool fitting, and the cutter rear end is connected with an adjusting screw(rod); Adjusting screw(rod) is made up of two sections different screw threads of pitch; The thread pitch of screw rod head end is less than the thread pitch of spiro rod rear end, and screw rod head end and cutter connect, and spiro rod rear end links to each other with a holder.
Mobile base is made up of aluminium alloy.
Bearing between mobile base and the firm banking is an angular contact ball bearing.
The present invention compares with prior art, and its effect is actively with tangible.Adopt firm banking and mobile base in this lathe saddle, mobile base can be rotated around the bearing of one of which end, between firm banking and mobile base, also is provided with arc guide rail, and this arc guide rail plays the holding mobile base; Cutter and pattern contact are installed on the mobile base, and the pattern contact relies on the active force of spring, is close on the pattern, and the pattern shape has determined the movement locus of pattern contact; Like this, pattern just can determine the movement locus of lathe tool, realizes the processing of non-round accessory.Lathe tool is located on the tool fitting by the cutter pressing plate, can adjust the length that lathe tool stretches out by trace through adjusting screw(rod).On mobile base, offer the groove along its length direction, be used for mounting cutter mount pad and pattern contact mount pad, the distance that this is convenient to regulate between the centre of gyration of cutter and pattern contact and mobile base processes different non-circle contour workpiece.Mobile base is made up of aluminium alloy, and total quality is less, reduces the inertia of moving component, improves its servo-actuated property.Bearing adopts angular contact ball bearing, and the revolution gap that can make the mobile base gyroaxis is zero, error free stack when guaranteeing revolution, the high frequency reciprocating motion that the ball rolling element of angular contact bearing is quick on the draw and can adapts to knife rest, no motion delay.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is lathe tool and a tool fitting structural representation among the present invention.
Fig. 4 is the application sketch map of lathe saddle of the present invention in lathe.
The specific embodiment
Through embodiment the present invention is done further explain below in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, in the present embodiment, this lathe saddle; Comprise tool fitting 7, this lathe saddle also comprises a firm banking 6 and mobile base 4, and mobile base 4 one ends are located on the firm banking 6 through bearing 3; On firm banking 6, be provided with vertical rotating shaft 2, bearing 3 is sheathed in the rotating shaft 2, and bearing 3 is an angular contact ball bearing; Like this, the axis normal of bearing 3 also is provided with arc guide rail 1 in firm banking 6 at the mobile base downside; The centre of gyration line of this arc guide rail 1 and the dead in line of bearing 3, corresponding with the arc guide rail position, on firm banking, offer a circular groove 62, the centre of gyration line of this groove 62 and the dead in line of bearing 3; Groove 62 constitutes guideway with guide rail 1, is embedded with the ball rolling element in the arc guide rail, mobile base through guide rail and ball rolling element bearing on firm banking; The height of groove and guide rail need cooperate appropriately, and making needs to keep a little gap between assembling back mobile base and the firm banking, when mobile base when bearing rotates; This guideway play supporting role; On firm banking 4, be provided with the pattern contact and push against part 81, this pattern contact pushes against between part 81 and the pattern contact mount pad 8 and is provided with spring 82, and pattern contact 83 is fixed on the pattern contact mount pad 8.On mobile base 4, offer groove 41 along its length direction; Tool fitting 7 is located on the mobile base 4 through this groove 41 by bolt; Pattern contact mount pad 8 is located on the mobile base 4 through this groove 41 by bolt; On firm banking 6, offer another groove 61; This another groove 61 is parallel with the groove 41 on the mobile base, and the pattern contact pushes against part 81 and is located on the firm banking 6 through this another groove 61 by bolt, and the distance of pattern contact mount pad 8 and bearing is greater than the distance of tool fitting 7 with bearing.Lathe tool 71 is located on the tool fitting 7 through cutter pressing plate 72; Cutter pressing plate 72 and tool fitting 7 are connected through bolt, and cutter pressing plate 72 is provided with the chute 73 along the lathe tool length direction, in this chute 73, is provided with bolt; The screw rod of bolt is arranged on the tool fitting 7; Lathe tool 71 rear ends are connected with an adjusting screw(rod) 5, and adjusting screw(rod) 5 is made up of two sections different screw threads of pitch, and the thread pitch of screw rod head end is less than the thread pitch of spiro rod rear end; The screw rod head end links to each other with cutter 71 through screw thread pair, and spiro rod rear end links to each other with a holder 51 through screw thread pair.When screw rod rotated, the pitch of rear end turned around distance greatly, and the pitch of head end turns around apart from little, has so just changed the distance between cutter and the holder, can adjust the length that lathe tool stretches out by trace through adjusting screw(rod).
When assembling, making the revolution gap between gyroaxis 2 and the bearing 3 is zero, error free stack when guaranteeing revolution; The high frequency reciprocating motion that the ball rolling element of angular contact bearing 3 is quick on the draw and can adapts to knife rest, no motion delay; Mobile base adopts the fine aluminum alloy material to constitute, and makes this mechanism have less motional inertia and the property of motion servo-actuated preferably; The trace of lathe tool is regulated and can be realized by screw rod.
As shown in Figure 4; Lathe saddle of the present invention is fixed on the slide carriage of lathe during use through firm banking; Pattern 102 and workpiece 103 are connected on the main tapping through gripping mechanism, and with main shaft 101 coaxial lines, workpiece is held out against by tailstock 104; Push against at the pattern contact under the effect of part 81 and spring 82; Pattern contact 83 is abutted together with pattern 102, in main shaft drive pattern and workpiece rotary course, is just cut the outline of workpiece like this by lathe tool 71, because tool fitting and pattern contact mount pad are arranged in same chute; Distance between pattern contact mount pad and the bearing is greater than the distance of tool fitting and bearing; Therefore the workpiece outline that is cut is similar with the outline of pattern, and has made reduced scale, and this proportionality coefficient equals the ratio of distance L 1 between distance L 2 and tool fitting and the bearing between pattern contact mount pad and the bearing.This shows that the relative position that touches mount pad through chute adjustment tool fitting and pattern just can obtain the workpiece with pattern appearance similar, proportional zoom, regulates very convenient; The high frequency reciprocating motion that embedded ball rolling element bearing guide rail and mobile base in the arc guide rail, ball rolling element are quick on the draw and can adapt to knife rest, no motion delay.
Except such scheme, tool fitting among the present invention and pattern contact mount pad also can be installed in two chutes on the mobile base; The adjusting device of lathe tool extension elongation also can not adopt screw-rod structure, such as adopting gear & rack structure or worm and gear structure, can realize that equally the fine adjustments lathe tool stretches out long function; Arc guide rail between mobile base and the firm banking, it is transversal can be rectangle, also can be I-shaped; The pattern contact pushes against part and also can be made up of a spring leaf of being located on the firm banking, and the active force through spring leaf also can be abutted together pattern contact and pattern.
Claims (6)
1. a lathe saddle comprises tool fitting, it is characterized in that: this lathe saddle also comprises a firm banking and mobile base; Mobile base one end is located on the firm banking through bearing, and the axis normal of bearing also is provided with arc guide rail in firm banking between firm banking and movable guiding rail; The centre of gyration line of this arc guide rail and the dead in line of bearing; Mobile base is supported on the firm banking through this arc guide rail, and tool fitting is located on the mobile base, also is provided with pattern contact mount pad on the mobile base; On firm banking, be provided with the pattern contact and push against part, this pattern contact pushes against between part and the pattern contact mount pad and is provided with spring.
2. lathe saddle as claimed in claim 1; It is characterized in that: arc guide rail is fixed in below the mobile base; Also be provided with the ball rolling element in the arc guide rail bottom; Correspondingly with the arc guide rail position on firm banking offer an arc groove, mobile base through arc guide rail and ball rolling element bearing in the arc groove of firm banking.
3. lathe saddle as claimed in claim 1; It is characterized in that: on mobile base, offer groove along its length direction; Tool fitting is located on the mobile base through this groove by bolt; Pattern contact mount pad is located on the mobile base through this groove by bolt, on firm banking, offers another groove, and this another groove is parallel with the groove on the mobile base; The pattern contact pushes against part and is located on the firm banking through this another groove by bolt, and the distance of pattern contact mount pad and bearing is greater than the distance of tool fitting and bearing.
4. lathe saddle as claimed in claim 1 is characterized in that: lathe tool is located on the tool fitting through the cutter pressing plate, and the cutter pressing plate is connected through bolt with tool fitting; The cutter pressing plate is provided with along the chute of lathe tool length direction; In this chute, be provided with bolt, the screw rod of bolt is arranged on the tool fitting, and the cutter rear end is connected with an adjusting screw(rod); Adjusting screw(rod) is made up of two sections different screw threads of pitch; The thread pitch of screw rod head end is less than the thread pitch of spiro rod rear end, and screw rod head end and cutter connect, and spiro rod rear end links to each other with a holder.
5. lathe saddle as claimed in claim 1, it is characterized in that: mobile base is made up of aluminium alloy.
6. lathe saddle as claimed in claim 1 is characterized in that: the bearing between mobile base and the firm banking is an angular contact ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102782202A CN102398045B (en) | 2010-09-10 | 2010-09-10 | Lathe saddle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102782202A CN102398045B (en) | 2010-09-10 | 2010-09-10 | Lathe saddle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102398045A true CN102398045A (en) | 2012-04-04 |
| CN102398045B CN102398045B (en) | 2013-12-11 |
Family
ID=45880924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102782202A Expired - Fee Related CN102398045B (en) | 2010-09-10 | 2010-09-10 | Lathe saddle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102398045B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416172A (en) * | 2013-09-04 | 2015-03-18 | 浙江陀曼精密机械有限公司 | Tool rest with locking device |
| CN107363677A (en) * | 2017-08-29 | 2017-11-21 | 重庆梦赛力士光电股份有限公司 | A kind of foot-operated polishing machine |
| CN108202229A (en) * | 2016-12-18 | 2018-06-26 | 长沙市锋铱自动化科技有限公司 | A kind of numerically controlled lathe |
| CN109550981A (en) * | 2018-12-27 | 2019-04-02 | 齐齐哈尔二机床(集团)有限责任公司 | Roll lathe compound slide |
| CN110732685A (en) * | 2019-10-31 | 2020-01-31 | 华创天元实业发展有限责任公司 | Steel skeleton plastic composite pipe turning follow-up device |
| TWI717735B (en) * | 2019-05-15 | 2021-02-01 | 國立臺灣師範大學 | Oval turning mechanism sliding table |
| CN113338265A (en) * | 2021-06-23 | 2021-09-03 | 江苏徐工工程机械研究院有限公司 | Continuous wall construction equipment |
Citations (9)
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|---|---|---|---|---|
| GB397765A (en) * | 1933-01-31 | 1933-08-31 | Fritz Gesser | Lathe for turning work of non-circular cross section, for instance workpieces havingthree or more corners and in particular roll ingots |
| CN1059861A (en) * | 1990-09-21 | 1992-04-01 | 王秀泉 | Stereo-profile-tracing turning apparatus |
| JPH09300101A (en) * | 1996-05-08 | 1997-11-25 | Dainichi Kinzoku Kogyo Kk | Cutting device |
| CN2344114Y (en) * | 1998-09-02 | 1999-10-20 | 谌国权 | Piston coaxial copying device |
| CN2488637Y (en) * | 2001-07-26 | 2002-05-01 | 山东滨州渤海活塞股份有限公司 | Processing machine tool for non-circle surface |
| JP2003200303A (en) * | 2001-12-28 | 2003-07-15 | Ikegai Corp | Roll working machine for forming knot and roll working method for forming knot |
| CN101244463A (en) * | 2007-02-17 | 2008-08-20 | 刘军 | Cam automatic lathe tool rest carriage device |
| CN201423448Y (en) * | 2009-06-15 | 2010-03-17 | 济南一机床集团有限公司 | Spherical part turning tool holder |
| CN201768922U (en) * | 2010-09-10 | 2011-03-23 | 中原工学院 | Lathe carriage |
-
2010
- 2010-09-10 CN CN2010102782202A patent/CN102398045B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB397765A (en) * | 1933-01-31 | 1933-08-31 | Fritz Gesser | Lathe for turning work of non-circular cross section, for instance workpieces havingthree or more corners and in particular roll ingots |
| CN1059861A (en) * | 1990-09-21 | 1992-04-01 | 王秀泉 | Stereo-profile-tracing turning apparatus |
| JPH09300101A (en) * | 1996-05-08 | 1997-11-25 | Dainichi Kinzoku Kogyo Kk | Cutting device |
| CN2344114Y (en) * | 1998-09-02 | 1999-10-20 | 谌国权 | Piston coaxial copying device |
| CN2488637Y (en) * | 2001-07-26 | 2002-05-01 | 山东滨州渤海活塞股份有限公司 | Processing machine tool for non-circle surface |
| JP2003200303A (en) * | 2001-12-28 | 2003-07-15 | Ikegai Corp | Roll working machine for forming knot and roll working method for forming knot |
| CN101244463A (en) * | 2007-02-17 | 2008-08-20 | 刘军 | Cam automatic lathe tool rest carriage device |
| CN201423448Y (en) * | 2009-06-15 | 2010-03-17 | 济南一机床集团有限公司 | Spherical part turning tool holder |
| CN201768922U (en) * | 2010-09-10 | 2011-03-23 | 中原工学院 | Lathe carriage |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416172A (en) * | 2013-09-04 | 2015-03-18 | 浙江陀曼精密机械有限公司 | Tool rest with locking device |
| CN104416172B (en) * | 2013-09-04 | 2017-08-22 | 浙江陀曼精密机械有限公司 | A kind of knife rest of locking device |
| CN108202229A (en) * | 2016-12-18 | 2018-06-26 | 长沙市锋铱自动化科技有限公司 | A kind of numerically controlled lathe |
| CN107363677A (en) * | 2017-08-29 | 2017-11-21 | 重庆梦赛力士光电股份有限公司 | A kind of foot-operated polishing machine |
| CN109550981A (en) * | 2018-12-27 | 2019-04-02 | 齐齐哈尔二机床(集团)有限责任公司 | Roll lathe compound slide |
| TWI717735B (en) * | 2019-05-15 | 2021-02-01 | 國立臺灣師範大學 | Oval turning mechanism sliding table |
| CN110732685A (en) * | 2019-10-31 | 2020-01-31 | 华创天元实业发展有限责任公司 | Steel skeleton plastic composite pipe turning follow-up device |
| CN110732685B (en) * | 2019-10-31 | 2020-10-27 | 华创天元实业发展有限责任公司 | Steel skeleton plastic composite pipe turning follow-up device |
| CN113338265A (en) * | 2021-06-23 | 2021-09-03 | 江苏徐工工程机械研究院有限公司 | Continuous wall construction equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102398045B (en) | 2013-12-11 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |