CN102672535A - Boring cutter rod error compensating device with slide block structure - Google Patents
Boring cutter rod error compensating device with slide block structure Download PDFInfo
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- CN102672535A CN102672535A CN2012100141354A CN201210014135A CN102672535A CN 102672535 A CN102672535 A CN 102672535A CN 2012100141354 A CN2012100141354 A CN 2012100141354A CN 201210014135 A CN201210014135 A CN 201210014135A CN 102672535 A CN102672535 A CN 102672535A
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- boring cutter
- slide block
- ball
- boring
- cutter bar
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Abstract
The invention discloses a boring cutter rod error compensating device with a slide block structure. The boring cutter rod error compensating device comprises a boring cutter rod and a cutter compensation servo motor, wherein the boring cutter rod is provided with an axial central hole; one end of a ball screw is connected with an output shaft of the cutter compensation servo motor; the other end of the ball screw stretches into the central hole; a screw nut assembly which can move relatively is sleeved on the ball screw; the ball screw drives the screw nut assembly to move in a straight line relatively; a connecting rod is connected with the screw nut assembly; a slide block is connected with one end of the connecting rod far away from the screw nut assembly; a straight hole slide groove is arranged on the side wall of the boring cutter rod; the slide block is arranged in the straight hole slide groove and can be driven by the connecting rod to slide in the straight hole slide groove; a ball pin is arranged in the straight hole slide groove; one end of the ball pin props against the slide block through an end part ball; and the other end of the ball pin is connected with the boring cutter on the side wall of the boring cutter rod. With the boring cutter rod error compensating device, rough and finish machining can be accomplished for one time; the abrasion of the fine boring cutter is reduced; and precise compensation to the cutter abrasion and the cylinder hole cylindrical form error is realized.
Description
Technical field
The invention belongs to boring pin processing technique field, be specifically related to a kind of boring cutter bar error-compensating apparatus, be applicable to the error compensation in the technology of right boring hole.
Background technology
Cylinder body is one of critical component in the engine, and the quality of its crudy is with the performance that directly influences engine.Right boring cylinder hole is one of critical process of automobile engine production.In precise boring because tool wear, thermal deformation etc. are former thereby aperture error that cause is the key factor that influences aperture error.Conventional method for boring hole is to draw the boring of boring pusher earlier or push away the boring of boring post-tensioning earlier, and the shape of the cylinder-bore that processes must be the waist drum shape, makes not high by the cylindricity in boring hole.
Existing boring cutter bar error-compensating apparatus generally is to adopt skewback to promote cutter holder to produce strain, thereby realizes the radial compensation of point of a knife.Owing to be the strain of cutter holder, therefore, not only compensated linear is better, and required driving force is much little with respect to the knife bar distortion, can reduce the unnecessary distortion of whole transmission link.But owing to receive the restriction of principle and method; The microfeed precision of boring cutter can only reach micron order, and the driving mechanism of micro-deformation exists gap and strain inevitably, can not realize replacing the micron order microfeed of positive negative direction; Make this type of device be only applicable to be interrupted feeding; Can influence the rigidity of boring cutter bar if skewback is long, thereby cause compensation precision to descend, therefore the compensation range of this method is less.
Summary of the invention
The object of the invention aims to provide a kind of boring cutter bar error-compensating apparatus with slide block structure, realizes continuously accurately that through slide block fine boring tool replaces the microfeed of positive negative direction, solves the existing problem that the compensation arrangement precision is not high, compensation range is too small.
Realize that the technical scheme that the object of the invention adopted is:
A kind of boring cutter bar error-compensating apparatus with slide block structure comprises slide block boring cutter bar and cutter compensation servomotor, and this servomotor is arranged on main spindle box one side of boring cutter bar.
The slide block boring cutter bar comprises half right boring blade, right boring blade, fine boring cutter platform, ball-screw, feed nut, nut sleeve, connecting rod, slide block, ball stud and guide post.
There is a through hole at said slide block boring cutter bar center, and ball-screw one end stretches in the central through hole, and the other end directly links to each other with the cutter compensation servomotor; Connect a long tubular feed nut with matching on the ball-screw, feed nut and nut sleeve are consolidated, and the nut sleeve guide post inner with being arranged on boring cutter bar is slidingly matched; Can do rectilinear motion along guide post; The nut sleeve lower end connects a connecting rod with pin, and the connecting rod afterbody is connected with a slide block, and a straight hole chute is arranged on the boring cutter bar sidewall; Slide block is arranged in the straight hole chute, and can only slide at this straight hole chute cathetus.The connecting rod afterbody is connected with a slide block, and slide block and ball stud flexibly connect.
Said cutter servo compensation motor is compensated instruction, directly drives ball-screw and rotates, and ball-screw converts gyration into the rectilinear motion of feed nut; Feed nut and nut sleeve are consolidated, and the nut sleeve guide post inner with being arranged on boring cutter bar is slidingly matched, and nut sleeve is done rectilinear motion along guide post; The link motion that drive is attached thereto; The connecting rod driving sliding block is straight-line feed in the straight hole chute, acts on ball stud, and it is overhanging that ball stud promotes fine boring cutter platform elasticity; Make the operating position of fine boring cutter to right boring size, cylinder is implemented right boring processing.
The present invention adopts slide block boring cutter bar gradation half right boring and right boring cylinder-bore.The dynamic head main spindle case is accomplished up, the descending and cutting movement of slide block boring cutter bar.When boring cutter bar is descending, can implement quick half right boring processing to cylinder.The cutter compensation servomotor starts after boring cutter bar comes downwards to the ultimate position; Convert gyration the rectilinear motion of feed nut into through ball-screw, feed nut and nut sleeve are consolidated, and make nut sleeve do rectilinear motion along guide post; Act on ball stud through connecting rod and slide block; It is overhanging to promote fine boring cutter platform elasticity, makes the operating position of fine boring cutter to right boring size, and cylinder is implemented right boring processing.
The present invention also comprises the dynamic head main spindle case, and this dynamic head main spindle case is accomplished up, the descending and cutting movement of slide block boring cutter bar.
The present invention can realize slightly, fine finishining is once accomplished; Avoided that cutter stays the withdrawing trace on finished surface in the withdrawing process, reduced tool setting, tool changing shared non-cutting time to greatest extent, and shortened the length of knife bar; Increased the rigidity of knife bar; Reduce manufacturing tolerance repeatedly, improved the cylindricity of cylinder-bore, accurately realized tool wear compensation and cylinder hole circle post degree error compensation.
Description of drawings
Fig. 1 is the boring cutter bar error-compensating apparatus structure principle chart with slide block structure;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Among the figure, 1. boring cutter bar; 2. half right boring blade; 3. ball-screw; 4. feed nut; 5. nut sleeve; 6. guide post; 7. connecting rod; 8. slide block; 9. ball stud; 10. right boring blade; 11. fine boring cutter platform; 12. unit head and main spindle box; 13. cutter compensation servomotor; 14. workpiece.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done explanation in further detail.
As shown in Figure 1, the boring cutter bar error-compensating apparatus with slide block structure of the present invention comprises cutter compensation servomotor 13, unit head and main spindle box 12 and has the boring cutter bar 1 of slide block structure.
As shown in Figure 2, boring cutter bar 1 comprises half right boring blade 2, ball-screw 3, feed nut 4, nut sleeve 5, guide post 6, connecting rod 7, slide block 8, ball stud 9, right boring blade 10 and fine boring cutter platform 11.
There is a through hole at boring cutter bar 1 center, and ball-screw 3 one ends stretch in the central through hole, and the other end directly links to each other with cutter compensation servomotor 13.Be socketed with a long tubular feed nut 4 with matching on the ball-screw 3, this feed nut 4 is consolidated with nut sleeve 5, and nut sleeve 5 is slidingly matched with being arranged on boring cutter bar 1 inner guide post 6, and it can do rectilinear motion along guide post 6.
Nut sleeve 5 lower ends connect a connecting rod 7 with pin, and connecting rod 7 afterbodys are connected with slide block 8, and a straight hole chute is arranged on boring cutter bar 1 sidewall, and slide block 8 is arranged in the straight hole chute, and can slide at this straight hole chute cathetus.The bulb of ball stud 9 and slide block 8 butts, these ball stud 9 other ends are connected with fine boring cutter platform 11, and fine boring cutter 10 is installed on this fine boring cutter platform 11.
Cutter servo compensation motor 13 is compensated instruction, directly drives ball-screw 3 and rotates, and ball-screw 3 converts gyration into the rectilinear motion of feed nut 4; Feed nut 4 is consolidated with nut sleeve 5, and then promotes nut sleeve 5 motions, and nut sleeve 5 is slidingly matched with the guide post 6 that is arranged on slide block boring cutter bar 1 inside; Nut sleeve 5 is done rectilinear motion along guide post 6, drives connecting rod 7 motions that are attached thereto, connecting rod 7 driving sliding block 8 straight-line feed in the straight hole chute; Act on ball stud 9; It is overhanging that ball stud 9 promotes fine boring cutter platform 11 elasticity, makes the operating position of fine boring cutter 10 to right boring size, and cylinder is implemented right boring processing.
Dynamic head main spindle case 12 is accomplished up, the descending and cutting movement of slide block boring cutter bar.
It is following to find out that from above description patent of the present invention has a compensation process of boring cutter bar error-compensating apparatus of slide block structure:
Dynamic head main spindle case 12 is accomplished up, the descending and cutting movement of slide block boring cutter bar 1.When boring cutter bar 1 is descending, can implement quick half right boring processing to cylinder.Cutter compensation servomotor 13 is compensated the instruction startup after boring cutter bar 1 comes downwards to the ultimate position, directly drives ball-screw 3 and rotates, and ball-screw 3 converts gyration into the rectilinear motion of feed nut 4; Feed nut 4 is consolidated with nut sleeve 5; Make nut sleeve 5 do rectilinear motion along guide post 6, act on ball stud 9 through connecting rod 7 and slide block 8, it is overhanging to promote fine boring cutter platform 11 elasticity; Make the operating position of fine boring cutter 10 to right boring size, cylinder is implemented right boring processing.
Claims (4)
1. the boring cutter bar error-compensating apparatus with slide block structure comprises boring cutter bar (1) and cutter compensation servomotor (13), wherein; Said boring cutter bar (1) has axial center hole, and an end of a ball-screw (3) links to each other with the output shaft of cutter compensation servomotor (13), and the other end stretches in the said centre bore; Said ball-screw (3) but on be socketed with the nut assembly of a relative motion; This ball-screw (3) drive nut assembly is made linear relative movement, is connected with connecting rod (7) on this nut assembly, and this connecting rod (7) is away from being connected with slide block (8) on the end on the nut assembly; On said boring cutter bar (1) sidewall straight hole chute is arranged; This slide block (8) is arranged in this straight hole chute, and can in this straight hole chute, slide through the drive of said connecting rod (7), and a ball stud (9) is arranged in this straight hole chute; The one of which end is through its end bulb and said slide block (8) butt, and the other end is connected with fine boring cutter (10) on said boring cutter bar (1) sidewall;
Cutter servo compensation motor (13) drives said ball-screw (3) according to compensating instruction and rotates; Drive said nut assembly moving linearly; And then through said connecting rod (7) promotion slide block (8) sliding feed in said straight hole chute; Make said ball stud (9) promote the operating position that fine boring cutter (10) extends the right boring size, implement right boring processing.
2. the boring cutter bar error-compensating apparatus with slide block structure according to claim 1 is characterized in that, also is provided with guide post (6) in described boring cutter bar (1) centre bore, and the rectilinear motion of said nut assembly leads through this guide post (6).
3. the boring cutter bar error-compensating apparatus with slide block structure according to claim 1 and 2; It is characterized in that; Said nut assembly comprises feed nut (4) and nut sleeve (5); Said feed nut (4) is socketed on the ball-screw (3), and said nut sleeve (5) is fixed on this feed nut (4), and said connecting rod (7) one ends are connected on this nut sleeve (5).
4. according to the described boring cutter bar error-compensating apparatus of one of claim 1-3 with slide block structure; It is characterized in that; Boring cutter bar (1) outer peripheral sidewall is provided with fine boring cutter platform (11); Said fine boring cutter (10) is installed on this fine boring cutter platform (11), and said ball stud (9) makes said fine boring cutter (10) extend the operating position through promoting this fine boring cutter platform (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100141354A CN102672535A (en) | 2012-01-17 | 2012-01-17 | Boring cutter rod error compensating device with slide block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100141354A CN102672535A (en) | 2012-01-17 | 2012-01-17 | Boring cutter rod error compensating device with slide block structure |
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| CN102672535A true CN102672535A (en) | 2012-09-19 |
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| CN2012100141354A Pending CN102672535A (en) | 2012-01-17 | 2012-01-17 | Boring cutter rod error compensating device with slide block structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289736A (en) * | 2013-07-17 | 2015-01-21 | 南通职业大学 | Processing method for removing run-out threads in cylinder hole of diesel engine block |
| CN104384552A (en) * | 2014-09-28 | 2015-03-04 | 偃师市恒昌机械模具厂 | Boring device |
| CN106975959A (en) * | 2017-04-25 | 2017-07-25 | 沈机集团昆明机床股份有限公司 | Rotary shaft feed arrangement with thermal stretching collocation structure |
| CN109834317A (en) * | 2017-11-27 | 2019-06-04 | 上汽通用汽车有限公司 | Crankshaft hole forming method |
| CN109967775A (en) * | 2019-04-02 | 2019-07-05 | 嘉兴劲境电子商务有限公司 | A kind of annular borer |
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| US5611651A (en) * | 1992-12-14 | 1997-03-18 | Wohlhaupter Gmbh | Boring tool |
| US20020078802A1 (en) * | 2000-12-18 | 2002-06-27 | Cardemon Richard A. | Adjustment method and apparatus for a boring tool |
| CN1364675A (en) * | 2002-02-05 | 2002-08-21 | 华中科技大学 | Predicting and compensating control method and device for boring size error |
| CN2732395Y (en) * | 2004-08-19 | 2005-10-12 | 陈硕 | Radial feeding groove boring cutter |
| CN201120563Y (en) * | 2007-04-29 | 2008-09-24 | 江苏高精机电装备有限公司 | Compensation mechanism for precision boring hole deviation from cylindrical form |
| CN101450390A (en) * | 2007-12-03 | 2009-06-10 | 江苏高精机电装备有限公司 | Compensation mechanism of finish boring hole cylindricity error |
| CN101780549A (en) * | 2010-01-12 | 2010-07-21 | 上海大屯能源股份有限公司 | Cutting tool for boring inner hole groove |
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2012
- 2012-01-17 CN CN2012100141354A patent/CN102672535A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611651A (en) * | 1992-12-14 | 1997-03-18 | Wohlhaupter Gmbh | Boring tool |
| US20020078802A1 (en) * | 2000-12-18 | 2002-06-27 | Cardemon Richard A. | Adjustment method and apparatus for a boring tool |
| CN1364675A (en) * | 2002-02-05 | 2002-08-21 | 华中科技大学 | Predicting and compensating control method and device for boring size error |
| CN2732395Y (en) * | 2004-08-19 | 2005-10-12 | 陈硕 | Radial feeding groove boring cutter |
| CN201120563Y (en) * | 2007-04-29 | 2008-09-24 | 江苏高精机电装备有限公司 | Compensation mechanism for precision boring hole deviation from cylindrical form |
| CN101450390A (en) * | 2007-12-03 | 2009-06-10 | 江苏高精机电装备有限公司 | Compensation mechanism of finish boring hole cylindricity error |
| CN101780549A (en) * | 2010-01-12 | 2010-07-21 | 上海大屯能源股份有限公司 | Cutting tool for boring inner hole groove |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289736A (en) * | 2013-07-17 | 2015-01-21 | 南通职业大学 | Processing method for removing run-out threads in cylinder hole of diesel engine block |
| CN104384552A (en) * | 2014-09-28 | 2015-03-04 | 偃师市恒昌机械模具厂 | Boring device |
| CN106975959A (en) * | 2017-04-25 | 2017-07-25 | 沈机集团昆明机床股份有限公司 | Rotary shaft feed arrangement with thermal stretching collocation structure |
| CN109834317A (en) * | 2017-11-27 | 2019-06-04 | 上汽通用汽车有限公司 | Crankshaft hole forming method |
| CN109967775A (en) * | 2019-04-02 | 2019-07-05 | 嘉兴劲境电子商务有限公司 | A kind of annular borer |
| CN109967775B (en) * | 2019-04-02 | 2020-11-24 | 肇庆市高讯数控设备有限公司 | Annular boring device |
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Application publication date: 20120919 |