CN101518829A - Machine tool dual-casing spindle system - Google Patents
Machine tool dual-casing spindle system Download PDFInfo
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- CN101518829A CN101518829A CN200810151062A CN200810151062A CN101518829A CN 101518829 A CN101518829 A CN 101518829A CN 200810151062 A CN200810151062 A CN 200810151062A CN 200810151062 A CN200810151062 A CN 200810151062A CN 101518829 A CN101518829 A CN 101518829A
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- main shaft
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- bearing
- machine tool
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Abstract
The invention relates to a machine tool dual-casing spindle system which comprises a spindle 9 and is characterized in that: the spindle 9 is internally provided with a pull rod 6, a hydraulic actuator 1 is arranged at a position corresponding to one end of the pull rod 6 and on a spindle box 2, the other end of the pull rob 6 extends to the inner side of the small end of an inner tapered hole of the spindle 9; one end of the spindle 9 is connected with a pulley 4, the spindle 9 at the outer side of the pulley 4 is further provided with a synchronous pulley 3 which is connected with a rotary encoder, a casing spindle 8 is arranged outside the spindle 9 through a bearing and a bearing end cover and provided with a drive gear 10, the casing spindle 8 is arranged outside the spindle box 2 through a bearing and a bearing end cover, and the end of the casing spindle 8 is also provided with an annular cylinder 11. The internal spindle and the external spindle adopt different drive devices, thus being capable of realizing mutually independent movement, and simultaneously realizing the required correlative movement by controlling the rotation speed of the two spindles.
Description
Technical field
The present invention relates to be used for the axis system design field of Digit Control Machine Tool, relate in particular to a kind of machine tool dual-casing spindle system.
Background technology
In the prior art, the spindle unit of lathe comprises the block bearing of main shaft, main shaft and is installed in driving parts on the main shaft etc.Spindle unit is the vitals of lathe, is the executing agency of lathe, and main function is supporting and drives cutter, finishes the shaping surface motion, also plays a part simultaneously to transmit motion and moment of torsion, bear load such as cutting force and driving force.The spindle unit structure that present most of digital-control boring-milling machine is commonly used also adopts single main shaft form, and when some had the special workpiece of labyrinth in processing, the cutting function of lathe was limited to, and is difficult to reach processing request.
Summary of the invention
The objective of the invention is to provides a kind of machine tool dual-casing spindle system at defective of the prior art, it has been by having increased a coaxial hollow spindle on the spindle unit of existing single axis system, and has effectively overcome a series of problems of the described existence of background technology.
The technical solution adopted for the present invention to solve the technical problems is: described a kind of machine tool dual-casing spindle system, include main shaft 9, its characteristics are: be provided with pull bar 6 in the described main shaft 9, be provided with hydraulic actuating mechanism 1 with pull bar 6 one end corresponding positions, hydraulic actuating mechanism 1 is arranged on the main shaft casing 2, and the other end of pull bar 6 extends to the small end inboard of the cone-shaped inner hole of main shaft 9; One end of main shaft 9 links to each other with belt pulley 4, also be provided with the synchronous pulley 3 that links to each other with rotary encoder on the main shaft 9 in belt pulley 4 outsides, overcoat main shaft 8 is arranged on main shaft 9 outsides by bearing and bearing (ball) cover, overcoat main shaft 8 is provided with driven wheel 10, overcoat main shaft 8 is arranged on the main shaft casing 2 by bearing and bearing (ball) cover, and the end of overcoat main shaft 8 also is provided with annular cylinder 11.
The present invention compares with background technology, the useful effect that has is: described a kind of machine tool dual-casing spindle system, its inside and outside two main shafts adopt different drive units, can realize separate motion, by control, can realize the motion that is mutually related that needs simultaneously to two speeds of mainshaft.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present invention;
When Fig. 2 is enforcement of the present invention and annular cylinder 11 interactional structural principle schematic diagrames;
Fig. 3 is the A-A sectional structure principle schematic among Fig. 1 of the present invention.
Among the figure: 1. hydraulic actuating mechanism, 2. main shaft casing, 3. synchronous pulley, 4. belt pulley, 5. band-type brake is taken turns, 6. pull bar, 7. butterfly spring, 8. overcoat main shaft, 9. main shaft, 10. driven wheel, 11. annular cylinder, 12. hydraulic fluid chambers, 13. connect chuck, 14. the cutter housing, 15. separation sleeves, 16. oil filler points, 17. groove, 18. steel balls, 19. piston rods.
The specific embodiment
As shown in Figure 1, 2, 3, described a kind of machine tool dual-casing spindle system, include main shaft 9, its characteristics are: be provided with pull bar 6 in the described main shaft 9, be provided with hydraulic actuating mechanism 1 with pull bar 6 one end corresponding positions, hydraulic actuating mechanism 1 is arranged on the main shaft casing 2, and the other end of pull bar 6 extends to the small end inboard of the cone-shaped inner hole of main shaft 9; One end of main shaft 9 links to each other with belt pulley 4, also be provided with the synchronous pulley 3 that links to each other with rotary encoder on the main shaft 9 in belt pulley 4 outsides, overcoat main shaft 8 is arranged on main shaft 9 outsides by bearing and bearing (ball) cover, overcoat main shaft 8 is provided with driven wheel 10, overcoat main shaft 8 is arranged on the main shaft casing 2 by bearing and bearing (ball) cover, and the end of overcoat main shaft 8 also is provided with annular cylinder 11.
The outer end of the piston rod 19 of described hydraulic actuating mechanism 1 and the corresponding setting of the short portion of pull bar 6.Be provided with butterfly spring 7 between described main shaft 9 and the pull bar 6.The end that pull bar 6 extends to the cone-shaped inner hole place of main shaft 9 is provided with steel ball 18, and the inner hole wall of the main shaft 9 corresponding with steel ball 18 is provided with groove 17.Also be provided with band-type brake wheel 5 and separation sleeve 15 on the overcoat main shaft 8, separation sleeve 15 is provided with the bearing oil hand-hole.Described annular cylinder 11 is fixedly mounted on the overcoat main shaft 8, and annular cylinder 11 is provided with and connects chuck 13, connects chuck 13 and is provided with oil filler point 16, the hydraulic fluid chamber 12 corresponding settings of oil filler point 16 and annular cylinder 11.
Described a kind of machine tool dual-casing spindle system, during enforcement, motor drives main shaft 9 by rear end belt pulley 4 and transmits motion, the drag link mechanism 6 of hydraulic actuating mechanism 1 loose cutter of control and the action of folder cutter.Another motor drives 8 rotations of overcoat main shaft by driven wheel 10, rotating band rotating ring shape oil cylinder 11 rotations of overcoat main shaft 8, thereby the state of the cutter housing 14 on the control annular cylinder 11.When tool changing, main shaft casing 2 is parked in knife rest front end assigned address, special-purpose cutting tool housing 14 ends are placed on the corresponding position on the knife rest and are fixed, the hydraulic fluid chamber oil-feed of hydraulic actuating mechanism 1 then, the pull bar 6 that piston rod 19 promotions in the hydraulic fluid chamber have butterfly spring moves forward, the steel ball 18 of clamping cutter is moved laterally, cutter unclamps and is loose by the pull bar top, oil filler point 16 on the connection chuck 13 of while annular cylinder 11 is connected and draining with the oiling mechanism on the knife rest, special-purpose cutting tool housing 14 unclamps as Fig. 2 (b) with the chuck 13 that is connected of overcoat main shaft 8 axle heads, main shaft casing 2 retreated certain distance earlier special-purpose cutting tool housing 14 and overcoat main shaft 8 straight end-face keys was thrown off as Fig. 2 (c) this moment, after rotating to an angle, special-purpose cutting tool housing 14 is thrown off as Fig. 2 (d) and Fig. 3 (b) with the chuck 13 that is connected of annular cylinder 11 again.Main shaft casing 2 retreats, and cutter housing 14 is thrown off fully with main shaft casing 2, unloads cutter and finishes.When adorning cutter once more, when main shaft casing 2 moves to new tool changing tool position, main shaft casing 2 moves to the knife rest direction, this moment, cutter housing 14 ends entered annular cylinder 11 as Fig. 2 (d) position, overcoat main shaft 8 and annular cylinder 11 rotate to an angle as behind Fig. 3 (a) interlocking pattern, main shaft casing 2 motion certain distance again makes special-purpose cutting tool housing 14 and the 8 end straight end-face key interlocks of overcoat main shaft, annular cylinder 11 beginning oilings, and cutter housing 14 is slowly clamped.This moment hydraulic actuating mechanism 1 piston rod 19 rollback under the effect of spring, pull bar 6 is rollback under the effect of butterfly spring, and the steel ball of clamping cutter is moved to the inside, the tension dedicated tool, dress cutter process finishes as Fig. 2 (a).
Claims (6)
1, a kind of machine tool dual-casing spindle system, include main shaft (9), it is characterized in that: be provided with pull bar (6) in the described main shaft (9), be provided with hydraulic actuating mechanism (1) with pull bar (6) one end corresponding positions, hydraulic actuating mechanism (1) is arranged on the main shaft casing (2), and the other end of pull bar (6) extends to the small end inboard of the cone-shaped inner hole of main shaft (9); One end of main shaft (9) links to each other with belt pulley (4), also be provided with the synchronous pulley (3) that links to each other with rotary encoder on the main shaft (9) in belt pulley (4) outside, overcoat main shaft (8) is arranged on main shaft (9) outside by bearing and bearing (ball) cover, overcoat main shaft (8) is provided with driven wheel (10), overcoat main shaft (8) is arranged on the main shaft casing (2) by bearing and bearing (ball) cover, and the end of overcoat main shaft (8) also is provided with annular cylinder (11).
2, a kind of machine tool dual-casing spindle system according to claim 1 is characterized in that: the outer end of the piston rod 19 of described hydraulic actuating mechanism (1) and the corresponding setting of the short portion of pull bar (6).
3, a kind of machine tool dual-casing spindle system according to claim 1 is characterized in that: be provided with butterfly spring (7) between described main shaft (9) and the pull bar (6).
4, a kind of machine tool dual-casing spindle system according to claim 1, it is characterized in that: the end that described pull bar (6) extends to the cone-shaped inner hole place of main shaft (9) is provided with steel ball (18), and the inner hole wall of the main shaft (9) corresponding with steel ball (18) is provided with groove (17).
5, a kind of machine tool dual-casing spindle system according to claim 1 is characterized in that: also be provided with band-type brake wheel (5) and separation sleeve (15) on the described overcoat main shaft (8), separation sleeve (15) is provided with the bearing oil hand-hole.
6, a kind of machine tool dual-casing spindle system according to claim 1, it is characterized in that: described annular cylinder (11) is fixedly mounted on the overcoat main shaft (8), annular cylinder (11) is provided with and connects chuck (13), connect chuck (13) and be provided with oil filler point (16), the corresponding setting of hydraulic fluid chamber (12) of oil filler point (16) and annular cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810151062A CN101518829A (en) | 2008-09-10 | 2008-09-10 | Machine tool dual-casing spindle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810151062A CN101518829A (en) | 2008-09-10 | 2008-09-10 | Machine tool dual-casing spindle system |
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| Publication Number | Publication Date |
|---|---|
| CN101518829A true CN101518829A (en) | 2009-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810151062A Pending CN101518829A (en) | 2008-09-10 | 2008-09-10 | Machine tool dual-casing spindle system |
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| CN (1) | CN101518829A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780547A (en) * | 2010-03-30 | 2010-07-21 | 哈尔滨工业大学 | Separated drive spindle system of ultraprecision machining tool |
| CN102441677A (en) * | 2011-11-17 | 2012-05-09 | 台州市精力轴承有限公司 | Numerical control machining tool for bearing ring |
| CN110170667A (en) * | 2019-06-06 | 2019-08-27 | 深圳市爱贝科精密机械有限公司 | A kind of high-precision permanent-magnet synchronous central water outlet electro spindle |
| CN110573281A (en) * | 2017-03-20 | 2019-12-13 | 海勒机械制造兄弟有限公司 | Machine spindle arrangement for a machine tool |
| CN114713861A (en) * | 2022-03-31 | 2022-07-08 | 安徽新诺精工股份有限公司 | Numerical control machine tool spindle unit mounting structure |
-
2008
- 2008-09-10 CN CN200810151062A patent/CN101518829A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780547A (en) * | 2010-03-30 | 2010-07-21 | 哈尔滨工业大学 | Separated drive spindle system of ultraprecision machining tool |
| CN102441677A (en) * | 2011-11-17 | 2012-05-09 | 台州市精力轴承有限公司 | Numerical control machining tool for bearing ring |
| CN110573281A (en) * | 2017-03-20 | 2019-12-13 | 海勒机械制造兄弟有限公司 | Machine spindle arrangement for a machine tool |
| US11198200B2 (en) | 2017-03-20 | 2021-12-14 | Gebr. Heller Maschinenfabrik Gmbh | Machine spindle assembly for a machine tool |
| CN110170667A (en) * | 2019-06-06 | 2019-08-27 | 深圳市爱贝科精密机械有限公司 | A kind of high-precision permanent-magnet synchronous central water outlet electro spindle |
| CN110170667B (en) * | 2019-06-06 | 2024-06-04 | 深圳市爱贝科精密工业股份有限公司 | High-precision permanent magnet synchronous center water outlet electric spindle |
| CN114713861A (en) * | 2022-03-31 | 2022-07-08 | 安徽新诺精工股份有限公司 | Numerical control machine tool spindle unit mounting structure |
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Open date: 20090902 |