CN101190462A - Digital control boring spindle for processing deep blind-hole bottom inner camber - Google Patents
Digital control boring spindle for processing deep blind-hole bottom inner camber Download PDFInfo
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- CN101190462A CN101190462A CNA2006101188812A CN200610118881A CN101190462A CN 101190462 A CN101190462 A CN 101190462A CN A2006101188812 A CNA2006101188812 A CN A2006101188812A CN 200610118881 A CN200610118881 A CN 200610118881A CN 101190462 A CN101190462 A CN 101190462A
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- swing
- boring
- digital control
- spindle
- hole bottom
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Abstract
The invention discloses a numerical control boring rod which processes the internal camber of the bottom end of a deep blind hole, comprising a boring rod sleeve, a swing cutter rod, a swing shaft, a servo motor connected with the boring rod sleeve, a transmission shaft, a swing driving gear, and an umbrella gear pair; the rear of the swing cutter rod is provided with a swing gear; the output shaft of the servo motor is fixedly connected with the transmission shaft fixed in a bearing seat in the boring rod sleeve through a connecting shaft; the transmission shaft drives a driven umbrella gear and the swing driving gear which is arranged on a transition shaft together with the driven umbrella gear to rotate through a drive umbrella gear; the swing driving gear is engaged with the swing gear of the swing cutter rod, thus driving the swing shaft and the swing cutter rod to rotate and swing. The invention solves the technical problems that the camber of the internal hole at the bottom end of the existing deep blind hole can only be processed by whole-set forming cutter, the curve structure of the cuter is complex, the cost is expensive, the generalization is poor, etc., thus improving the processing quality and working efficiency of the workpieces and reducing the production cost.
Description
Technical field
The present invention relates to a kind of machining boring bar, especially a kind of boring bar that is used for processing deep blind-hole bottom inner camber.
Background technology
At present, existing deep blind-hole bottom endoporus curved surface can only be processed with complete forming tool, cutter curve construction complexity, and the cost costliness, versatility is poor.Therefore, can't satisfy Numeric Control Technology processing, with raising crudy and work efficiency, versatility, flexible degree reduces production costs.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of digital control boring spindle of processing deep blind-hole bottom inner camber, this boring bar highly versatile, and the flexible degree height, crudy is good.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of digital control boring spindle of processing deep blind-hole bottom inner camber, comprise the boring bar cover, the swing knife bar, swinging axle, the servomotor that is connected with the boring bar cover, power transmission shaft, the wobble drive gear, the bevel gear pair, swing knife bar rear portion is provided with wobble gear, the servomotor output shaft by coupling spindle be fixed on boring bar cover in bearing block in power transmission shaft fixedly connected, power transmission shaft drives driven bevel pinion and is installed in wobble drive gear revolution on the transition axis with driven bevel pinion by driving bevel gear, and the wobble gear engagement of wobble drive gear and swing knife bar drives swinging axle and the swing knife bar is made rotary oscillation.
Be provided with the extension tube attached joint that cutting fluid feeds below the boring bar back segment, the pipeline of cutting fluid in motor cabinet and boring bar cover sprays in the point of a knife place.Be used for cooling and chip removal.
Be provided with compressed air above the boring bar back segment and enter the extension tube attached joint, compressed air is through coupling spindle, and the pipeline in power transmission shaft and the swing knife bar sprays in workpiece lumen, assists chip removal; What compressed air produced in boring bar is malleation, is used to stop cutting fluid and smear metal to enter in the boring bar.
Be provided with static position switch above the boring bar back segment, be used to control the origin position of rotating extreme position of swinging axle and point of a knife.
Power transmission shaft and bearing block, coupling spindle and motor cabinet, transition axis all are connected by bearing with being connected between bearing (ball) cover that boring bar puts and swinging axle and the boring bar cover, isolate by sealing ring between bearing and the cutting fluid.
The bevel gear pair is isolated by sealing ring between the wobble gear of wobble drive gear and swing knife bar and the cutting fluid.
Be provided with the butterfly spring of exerting pressure above the swing knife bar, be used for producing damping when knife bar rotates, eliminate unidirectional gap, improve the rotating accuracy of swinging axle and knife bar.
Boring bar cover fore end outer circumference face is provided with the guiding timber support of four five equilibriums.
Being marked with plastic filler on the connection aperture of boring bar cover outer round surface makes the surface complete continuously.
Boring bar moves the rotation with swinging axle vertically, by programming Control, realizes that interlock forms workpiece and requires curve.
The present invention compared with prior art owing to adopted servomotor control, reductor reduction of speed reinforcement square drives power transmission shaft and gear pair and drives the knife bar swinging axle and rotate, thereby makes swing knife bar rotary oscillation.By programming Control, boring bar can move the rotation with swinging axle vertically, realizes that interlock forms workpiece and requires curve.Having solved existing deep blind-hole bottom endoporus curved surface can only be with the processing of complete forming tool, cutter curve construction complexity, and the cost costliness, technical problems such as versatility difference have improved the crudy and the work efficiency of workpiece, have reduced production cost.
Description of drawings
Fig. 1 is the manuscript of workpiece deep blind-hole bottom inner camber;
Fig. 2 is a digital control boring spindle structure chart of the present invention;
Fig. 3 is the vertical view that cuts open along central axis of Fig. 2
Fig. 4 is a digital control boring spindle initial processing position schematic diagram;
Fig. 5 is a digital control boring spindle Working position schematic diagram.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
The present invention is used for the processing of part deep blind-hole bottom inner camber, sees accompanying drawing 1.
As Fig. 2, shown in 3, a kind of digital control boring spindle of processing deep blind-hole bottom inner camber, by thorax bar cover 12, swing knife bar 11, swinging axle 26 is with boring bar cover 12 servomotors that are connected 5, power transmission shaft 19, wobble drive gear 28, bevel gear pair 17,25 formations such as grade.Swing knife bar 11 rear portions are provided with wobble gear 15.
Servomotor 5 is connected above the boring bar cover 12 by motor cabinet 20, and overlaps 12 coaxial with boring bar.Servomotor 5 output shafts are fixedlyed connected with power transmission shaft 19 by coupling spindle 21, and coupling spindle 21 is bearing in the motor cabinet 20 by bearing, and motor cabinet 20 is connected with boring bar cover 12 usefulness bolting.
Swing knife bar 11 rear portions are provided with wobble gear 15, and swing knife bar 11 is connected with boring bar cover 12 with needle bearing by swinging axle 26.Above the swing knife bar 11 butterfly spring 27 of exerting pressure is installed, is used for producing damping when knife bar 11 rotates, eliminate unidirectional gap, improve the rotating accuracy of swinging axle 26 and knife bar 11.
Be provided with the extension tube attached joint 24 that cutting fluid feeds below the motor cabinet 20 of boring bar back segment, be provided with two road cutting fluid channels 14 in the boring bar cover 12, the pipeline 22,14 of cutting fluid in motor cabinet 20 and boring bar cover 12 sprays in point of a knife 10 places, is used for cooling and chip removal.
Be provided with compressed air above the boring bar back segment and enter extension tube attached joint 23, coupling spindle 21 is provided with compressed air channel 30 in swing knife bar 11 and the power transmission shaft 19, compressed air is through coupling spindle 21, the pipeline 32,30 in power transmission shaft 19 and the swing knife bar 11,13, spray in workpiece 1 inner chamber, assist chip removal; Compressed air produces malleation in boring bar, be used to stop cutting fluid and smear metal to enter in the boring bar.
Be provided with the butterfly spring 27 of exerting pressure above the swing knife bar 11, be used for producing damping when knife bar 11 rotates, eliminate unidirectional gap, improve the rotating accuracy of swinging axle 26 and knife bar 11.
Be provided with static position switch 7 above the motor cabinet 20 of boring bar back segment, with the origin position of control swinging axle 26 rotating extreme positions and point of a knife 10.
Machine driving of the present invention is:
Servomotor → reductor reduction of speed reinforcement square → power transmission shaft → gear pair → knife bar swinging axle rotates
Sealing in the machine driving of the present invention is:
All bearings do not contact seal isolation with gear with cutting fluid.
The supporting that digital control boring spindle of the present invention stretches into workpiece lumen is:
Be provided with guiding wood 31 supportings of four five equilibriums at the front end position, its cylindrical from car, guarantees that wooden 31 cylindricals of guiding cooperate closely with workpiece 1 endoporus, improve support stiffness with workpiece 1 endoporus.And can expand because of soaked into voluntarily by cutting fluid in the course of the work, compensate its wear extent.
The digital control boring spindle outer round surface must be complete continuous, can not be jagged, in order to avoid smear metal is difficult for discharging.Being marked with plastic filler on the connection aperture of boring bar cover outer round surface makes the surface complete continuously.
Cutter above the swing knife bar 11 of the present invention is installed as " mechanical clamping type " and is convenient to mounting or dismounting.
Work initial position of the present invention (shown in Figure 4)
(1) digital control boring spindle 100 is installed on the lathe middle carriage, by saddle 6 at Z to carrying out the numerical control campaign.Its front end is by 3 supportings of boring bar centre frame.
(2) digital control boring spindle 100 centers and headstock spindle centres.
(3) workpiece 1 is driven by the main shaft upper chuck, and by centre frame 2 supportings.
Working position of the present invention (shown in Figure 5)
(1) servomotor 5 at digital control boring spindle 100 centers is done the numerical control rotation by the gearing drive swinging axle in the crack that disappears and the cutter of swing knife bar.
(2) Z of cutter by programming Control, realizes interlock to moving and the swinging axle rotation, walks out the curve of Fig. 1 requirement.
Claims (10)
1. the digital control boring spindle of a processing deep blind-hole bottom inner camber, comprise boring bar cover (12), it is characterized in that, this boring bar also comprises swing knife bar (11), swinging axle (26), the servomotor (5) that is connected with boring bar cover (12), power transmission shaft (19), wobble drive gear (28), bevel gear pair (17,25), described swing knife bar (11) rear portion is provided with wobble gear (15), servomotor (5) output shaft is fixedlyed connected with the power transmission shaft (19) in the bearing block (18) that is fixed in the boring bar cover (12) by coupling spindle (21), power transmission shaft (19) reaches the wobble drive gear (28) that is installed on the transition axis (16) with driven bevel pinion (25) by driving bevel gear (17) drive driven bevel pinion (25) and turns round, wobble drive gear (28) meshes with the wobble gear (15) of swing knife bar (11), and drive swinging axle (26) and swing knife bar (11) are made rotary oscillation.
2. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1, it is characterized in that, be provided with the extension tube attached joint (24) that cutting fluid feeds below the described boring bar back segment, the pipeline (22 of cutting fluid in motor cabinet (20) and boring bar cover (12), 14), spray in point of a knife (10) and locate, be used for cooling and chip removal.
3. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1, it is characterized in that, be provided with compressed air above the described boring bar back segment and enter extension tube attached joint (23), compressed air is through coupling spindle (21), pipeline (32,30,13) in power transmission shaft (19) and the swing knife bar (11), spray in workpiece (1) inner chamber, assist chip removal; What compressed air produced in boring bar is malleation, is used to stop cutting fluid and smear metal to enter in the boring bar.
4. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1 is characterized in that, is provided with static position switch (7) above the described boring bar back segment, is used to control the origin position of rotating extreme position of swinging axle (26) and point of a knife (10).
5. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1, it is characterized in that, described power transmission shaft (19) and bearing block (18), coupling spindle (21) and motor cabinet (20), transition axis (16) be connected boring bar cover (12) on bearing (ball) cover (29) and swinging axle (26) and boring bar cover (12) between all be connected by bearing, isolate by sealing ring between bearing and the cutting fluid.
6. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1 is characterized in that, described bevel gear pair (17,25) is isolated by sealing ring between the wobble gear (15) of wobble drive gear (28) and swing knife bar (11) and the cutting fluid.
7. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1, it is characterized in that, be provided with the butterfly spring of exerting pressure (27) above the described swing knife bar (11), be used for producing when knife bar (11) rotates damping, eliminate unidirectional gap, improve the rotating accuracy of swinging axle (26) and knife bar (11).
8. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1 is characterized in that, described boring bar cover (12) fore end outer circumference face is provided with the guiding timber support (31) of four five equilibriums.
9. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1 is characterized in that, is marked with plastic filler on the connection aperture of described boring bar cover (12) outer round surface and makes the surface complete continuously.
10. the digital control boring spindle of processing deep blind-hole bottom inner camber according to claim 1 is characterized in that, described boring bar moves and the rotation of swinging axle (26) vertically, by programming Control, realizes that interlock forms workpiece requirement curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101188812A CN100528432C (en) | 2006-11-29 | 2006-11-29 | Digital control boring spindle for processing deep blind-hole bottom inner camber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101188812A CN100528432C (en) | 2006-11-29 | 2006-11-29 | Digital control boring spindle for processing deep blind-hole bottom inner camber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101190462A true CN101190462A (en) | 2008-06-04 |
| CN100528432C CN100528432C (en) | 2009-08-19 |
Family
ID=39485743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101188812A Expired - Fee Related CN100528432C (en) | 2006-11-29 | 2006-11-29 | Digital control boring spindle for processing deep blind-hole bottom inner camber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100528432C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346268A (en) * | 2016-11-04 | 2017-01-25 | 青岛新力通工业有限责任公司 | Lathe boring fixture |
| CN109571110A (en) * | 2018-11-15 | 2019-04-05 | 中国兵器科学研究院宁波分院 | A kind of micro-feeding device of the piezoelectric ceramics cooperation lever mechanism for piston pin hole processing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5769575A (en) * | 1996-05-29 | 1998-06-23 | American Machine & Tool Company, Inc. | Oscillatory motion device for drill press |
| US6318220B1 (en) * | 2000-03-23 | 2001-11-20 | Malpal, Inc. | System and method for finish machining differential housings |
| CN1212213C (en) * | 2001-08-29 | 2005-07-27 | 山东滨州渤海活塞股份有限公司 | Precisive boring machine for irregular holes |
-
2006
- 2006-11-29 CN CNB2006101188812A patent/CN100528432C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346268A (en) * | 2016-11-04 | 2017-01-25 | 青岛新力通工业有限责任公司 | Lathe boring fixture |
| CN109571110A (en) * | 2018-11-15 | 2019-04-05 | 中国兵器科学研究院宁波分院 | A kind of micro-feeding device of the piezoelectric ceramics cooperation lever mechanism for piston pin hole processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100528432C (en) | 2009-08-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Effective date of registration: 20170125 Address after: 200940 Shanghai military road, Yangpu District, No. 1146 Patentee after: Shanghai Machine Tool Factory Co., Ltd. Address before: 200245 Shanghai city Minhang District Huaning Road No. 190 Patentee before: Shanghai Heavy Duty Machine Tool Works |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20191129 |