CN102528519B - C-axis engaging and disengaging device - Google Patents
C-axis engaging and disengaging device Download PDFInfo
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- CN102528519B CN102528519B CN 201110446738 CN201110446738A CN102528519B CN 102528519 B CN102528519 B CN 102528519B CN 201110446738 CN201110446738 CN 201110446738 CN 201110446738 A CN201110446738 A CN 201110446738A CN 102528519 B CN102528519 B CN 102528519B
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Abstract
The invention discloses a C-axis engaging and disengaging device, which comprises a C-axis gear, a C-axis transmission portion, an encoder, an engaging sensor, a disengaging sensor and a hydraulic cylinder. The C-axis gear and the C-axis transmission portion are sequentially connected, a C-axis rotation portion is arranged at one end of the C-axis transmission portion, and the C-axis transmission portion is coupled onto a spindle box through the C-axis rotation portion. The encoder is positioned on the C-axis gear, one end of the hydraulic cylinder is fixed onto the spindle box, the other end of the hydraulic cylinder is fixed onto the C-axis transmission portion, and a second positioning pin is arranged at one end of the hydraulic cylinder close to the spindle box. The C-axis engaging and disengaging device realizes C-axis high-precision indexing and positioning functions by means of movement of a simple mechanism, has advancement in design, and is simple in assembly, convenient in adjustment and quite economical.
Description
Technical field
The present invention relates to the machining equipment technical field, relate in particular to a kind of C axle engagement disengaging gear.
Background technology
At present, in complex milling machine, will use Milling Function, this just requires the turning main shaft must have the calibration positioning function, and the turning main shaft possesses high-precision stationkeeping ability.When adopting electric main shaft to make the turning main shaft, because there is no the intermediate transmission link, servo principal axis can pass through direct-connected brake disc, and encoder is controlled the accurate calibration location that reaches the C axle.In addition due to electric main shaft in the restriction that realizes the aspects such as high pulling torque cutting and manufacturing cost, present most of lathe turning main shaft still adopts main motor to add the type of belt drive of gear-box, at this moment the gear in gear-box requires sideshake larger, by bad phenomenon such as high speed abate the noise, if also with main transmission, realize the C s function, because gear backlash is large, the backlass of transmission is large, positioning precision is low, is not suitable for the calibration location of C axle.At this moment just be necessary that adding a set of driving-chain solves this problem, the accuracy of gear of this transmission is high, and sideshake is little, and during low-speed running, the bad phenomenon such as noise is little, but consider and the switching problem of main turning campaign, will realize exactly engagement and the disengagement of C through-drive chain and turning main shaft.
The application technology that existing C axle and main shaft engagement are thrown off is mainly to be used as power with oil cylinder (or cylinder), the guide rail guiding, parallel push-and-pull is realized the engagement disengagement, as Chinese patent CN200920031760.3 discloses a kind of numerically controlled lathe C axle any angle precise indexing device, be to use air cylinder driven, line rail guiding, C shaft gear case and mainshaft gear engagement are thrown off, this structure realizes more complicated, and cost is higher, is subject to spatial limitation larger; Application mode on the lathe not high in required precision is separately arranged, as Chinese patent CN200520127005.7 discloses a kind of C-shaft driving structure of computer numerical control turning milling composite machine, Spindle Motor and servo motor are linked to driving section by least one driving belt, at any one time, this Spindle Motor and this servo motor at most only have one to keep starting shape driving driving section, another keeps removing shape, this technical scheme is simple in structure, but indexing accuracy is low, the machine tool applications that inapplicable required precision is high.
Summary of the invention
For the problem of above-mentioned existence, the purpose of this invention is to provide a kind of C axle engagement disengaging gear, can guarantee that the engagement of C axle precision indexing is thrown off, simple and practical.
The objective of the invention is to be achieved through the following technical solutions:
A kind of C axle engagement disengaging gear, for realizing main shaft portion precision round subsection positioning function, main shaft portion comprises mainshaft gear, and described mainshaft gear is fixed on main shaft, and main shaft is connected with main spindle box body, wherein:
Comprise: the C shaft gear and the C through-drive section that connect successively, one end of described C through-drive section is C axle rotating part, described C through-drive section is coupling on described main spindle box body by described C axle rotating part, described C axle rotating part comprises the rotation axis body be fixed on described main spindle box body, a radially side at described rotation axis body is provided with the first alignment pin, described the first alignment pin coordinates with the locating slot on being positioned at described C through-drive section relevant position, and described the first alignment pin carries out axial restraint by locking nut and described C through-drive section; Described C shaft gear also is connected successively with a reductor, a motor;
Also comprise: encoder, the engagement sensor, throw off sensor and hydraulic jack, described encoder is positioned on described C shaft gear, described engagement sensor, whether described disengagement sensor is respectively used to monitor described C shaft gear and meshes, whether described C shaft gear throws off, one end of described hydraulic jack is fixed on described main spindle box body, the other end is fixed in described C through-drive section by a cylinder bracket, described hydraulic jack is provided with the second alignment pin near an end of described main spindle box body, described the second alignment pin sphere connects a screw rod, a nut is threaded on described screw rod, the connecting rod of described C shaft gear one side is set on described screw rod and by described nut is locked,
Described hydraulic jack is connected with the lathe main system by reversing control valve, described encoder, described engagement sensor and described disengagement sensor also are connected with described lathe main system respectively, the monitor signal of described engagement sensor and described disengagement sensor feeds back to the lathe main system, and the lathe main system is controlled the piston rod movement of described hydraulic jack according to the signal of receiving by described reversing control valve.
Further, described engagement sensor, described disengagement sensor all are positioned on a sensor stand, and described sensor stand is located on described main spindle box body.
Further, be arranged with bearing on described rotation axis body.
Further, described hydraulic jack is provided with by the interconnective hydraulic lock of oil pipe and accumulator.
Further, described engagement sensor, described disengagement sensor are displacement transducer.
Further, described rotation axis body is by screw and described C through-drive section radial compaction.
Compared with the prior art, beneficial effect of the present invention is:
1, this device moves by simple mechanism, has realized the precision round subsection positioning function of C axle, has the advance of design.
2, the assembling of this device is simple, easy to adjust, and has very high economy.
The accompanying drawing explanation
Fig. 1 is the structural representation of C axle engagement disengaging gear of the present invention and main spindle box body;
Fig. 2 is along the cutaway view of A-A direction in Fig. 1.
The specific embodiment
Below in conjunction with schematic diagram and concrete operations embodiment, the invention will be further described.
As shown in Figure 1, C axle engagement disengaging gear of the present invention is for realizing main shaft portion precision round subsection positioning function, and main shaft portion comprises mainshaft gear 1, and mainshaft gear 1 is fixed on main shaft, and main shaft is connected with main spindle box body 0.This device specifically comprises: the C shaft gear 2 and the C through-drive section 3 that connect successively, and an end of C through-drive section 3 is C axle rotating part 31, C through-drive section 3 is coupling on main spindle box body 0 by C axle rotating part 31.
As shown in Figure 2, C axle rotating part 31 comprises the rotation axis body 311 be fixed on main spindle box body 0, a radially side at rotation axis body 311 is provided with the first alignment pin 312, the first alignment pin 312 coordinates with the locating slot 313 on being positioned at C through-drive section 3 relevant positions, to realize C through-drive section 3, in certain stroke, can do around the axle gyration.The first alignment pin 312 carries out axial restraint by locking nut 314 with C through-drive section 3, and rotation axis body 311 is by some screws 316 and C through-drive section 3 radial compactions.Also be arranged with bearing 315 on rotation axis body 311, bearing 315 more is beneficial to C through-drive section 3 and is rotated action around rotation axis body 311.In addition, C shaft gear 2 also is connected successively with a reductor, a motor, and reductor and motor correlation technique are those skilled in the art's common practise, will not indicate in the drawings.
Continuation is referring to shown in Fig. 1, this device also comprises encoder (not indicating in the drawings), sensor 4 and hydraulic jack 5, sensor 4 comprises the engagement sensor and throws off sensor, be common on the market displacement transducer, engagement sensor, disengagement sensor all are positioned on a sensor stand 8, sensor stand 8 is located on main spindle box body 0, for supporting two sensors.Encoder 4 is positioned on C shaft gear 2, and the position in the time of can feeding back C axle calibration when engagement, realize precision drive.Whether whether the engagement sensor meshes for monitoring C shaft gear 2, throw off sensor and throw off for monitoring the C shaft gear, and the particular location of two sensors can be adjusted according to actual needs, does not make specific limited.One end of hydraulic jack 5 is fixed on main spindle box body 0, the other end is fixed in C through-drive section 3 by a cylinder bracket 6, hydraulic jack 5 is provided with the second alignment pin 7 near an end of main spindle box body 0, the second alignment pin 7 spheres connect a screw rod, a nut is threaded on screw rod, as shown in Figure 1, the connecting rod 21 of C shaft gear 2 one sides is set on screw rod and by nut is locked, this device is realized the adjustment to centre-to-centre spacing between C shaft gear 2 and mainshaft gear 1 by this structure, the common practise that this mode is familiar by those skilled in the art, do not repeat them here.
Particularly, from the whole system angle, hydraulic jack 5 is connected with the lathe main system by a reversing control valve, and encoder, engagement sensor and disengagement sensor also are connected with the lathe main system respectively, the monitor signal of encoder, engagement sensor and disengagement sensor feeds back to the lathe main system, and the lathe main system is controlled the piston rod movement of hydraulic jack 5 according to the signal of receiving by reversing control valve.Pressurizer (not indicating in the drawings) can also be set on hydraulic jack 5, pressurizer is specially by the interconnective hydraulic lock of oil pipe and accumulator, effect is the piston rod stroke that limits to a certain extent hydraulic jack 5, to control in-oil cylinder hydraulic coupling, be more conducive to control the precision of calibration.
During work, when needs C axle is worked, by the lathe main system to the hydraulic pressure signal, hydraulic jack 5 is realized compression, drive C through-drive section 3 close to main spindle box body 0 around rotation axis body 311, whether C shaft gear 2 and mainshaft gear 1 engagement, detect both by the engagement sensor and mesh simultaneously, the transmission of C spindle motor, realize the C s function; When main transmission is worked, now need to throw off the C axle, by the lathe main system to signal, hydraulic jack 5 stretches, drive C through-drive section 3 around rotating shaft 311 to main spindle box body 0 away from, whether C shaft gear 2 is thrown off with mainshaft gear 1 simultaneously, by throwing off sensor, detect and throw off, finally realize that the C axle throws off safely, main transmission starts to transmit motion.
To sum up, C axle engagement disengaging gear of the present invention moves by simple mechanism, has realized the precision round subsection positioning function of C axle, has the advance of design; And the assembling of this device is simple, easy to adjust, and has very high economy.
Above specific embodiments of the invention be have been described in detail, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (6)
1. a C axle meshes disengaging gear, and for realizing main shaft portion precision round subsection positioning function, main shaft portion comprises mainshaft gear, and described mainshaft gear is fixed on main shaft, and main shaft is connected with main spindle box body, it is characterized in that:
Comprise: the C shaft gear and the C through-drive section that connect successively, one end of described C through-drive section is C axle rotating part, described C through-drive section is coupling on described main spindle box body by described C axle rotating part, described C axle rotating part comprises the rotation axis body be fixed on described main spindle box body, a radially side at described rotation axis body is provided with the first alignment pin, described the first alignment pin coordinates with the locating slot on being positioned at described C through-drive section relevant position, and described the first alignment pin carries out axial restraint by locking nut and described C through-drive section; Described C shaft gear also is connected successively with a reductor, a motor;
Also comprise: encoder, the engagement sensor, throw off sensor and hydraulic jack, described encoder is positioned on described C shaft gear, described engagement sensor, whether described disengagement sensor is respectively used to monitor described C shaft gear and meshes, whether described C shaft gear throws off, one end of described hydraulic jack is fixed on described main spindle box body, the other end is fixed in described C through-drive section by a cylinder bracket, described hydraulic jack is provided with the second alignment pin near an end of described main spindle box body, described the second alignment pin sphere connects a screw rod, a nut is threaded on described screw rod, the connecting rod of described C shaft gear one side is set on described screw rod and by nut is locked,
Described hydraulic jack is connected with the lathe main system by reversing control valve, described encoder, described engagement sensor and described disengagement sensor also are connected with described lathe main system respectively, the monitor signal of described engagement sensor and described disengagement sensor feeds back to the lathe main system, and the lathe main system is controlled the piston rod movement of described hydraulic jack according to the signal of receiving by described reversing control valve.
2. C axle engagement disengaging gear as claimed in claim 1, is characterized in that, described engagement sensor, described disengagement sensor all are positioned on a sensor stand, and described sensor stand is located on described main spindle box body.
3. C axle engagement disengaging gear as claimed in claim 1, is characterized in that, on described rotation axis body, is arranged with bearing.
4. C axle engagement disengaging gear as claimed in claim 1, is characterized in that, described hydraulic jack is provided with by the interconnective hydraulic lock of oil pipe and accumulator.
5. C axle engagement disengaging gear as claimed in claim 1, is characterized in that, described engagement sensor, described disengagement sensor are displacement transducer.
6. C axle as claimed in claim 1 engagement disengaging gear, is characterized in that, described rotation axis body is by screw and described C through-drive section radial compaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110446738 CN102528519B (en) | 2011-12-28 | 2011-12-28 | C-axis engaging and disengaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110446738 CN102528519B (en) | 2011-12-28 | 2011-12-28 | C-axis engaging and disengaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102528519A CN102528519A (en) | 2012-07-04 |
| CN102528519B true CN102528519B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110446738 Expired - Fee Related CN102528519B (en) | 2011-12-28 | 2011-12-28 | C-axis engaging and disengaging device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107052878A (en) * | 2017-06-02 | 2017-08-18 | 大连意美机械有限公司 | The C axle driving structures of the vertical turn-milling complex machining center of miniature numerical control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020566Y (en) * | 2006-08-11 | 2008-02-13 | 孙立国 | Round ingot saw machine oscillated by lever arm |
| CN101553341A (en) * | 2006-10-27 | 2009-10-07 | 津田驹工业株式会社 | Tilt table device |
| CN201579497U (en) * | 2009-12-25 | 2010-09-15 | 长沙哈量凯帅精密机械有限公司 | Grinding machine for forming gear of curved-tooth bevel gear and hypoid gear |
| CN102284880A (en) * | 2011-07-12 | 2011-12-21 | 油机机械工业（昆山）有限公司 | C-axis device of numerical control vertical lathe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3636753B2 (en) * | 1994-11-29 | 2005-04-06 | 株式会社森精機ハイテック | Work gripping and spindle drive device |
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2011
- 2011-12-28 CN CN 201110446738 patent/CN102528519B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020566Y (en) * | 2006-08-11 | 2008-02-13 | 孙立国 | Round ingot saw machine oscillated by lever arm |
| CN101553341A (en) * | 2006-10-27 | 2009-10-07 | 津田驹工业株式会社 | Tilt table device |
| CN201579497U (en) * | 2009-12-25 | 2010-09-15 | 长沙哈量凯帅精密机械有限公司 | Grinding machine for forming gear of curved-tooth bevel gear and hypoid gear |
| CN102284880A (en) * | 2011-07-12 | 2011-12-21 | 油机机械工业（昆山）有限公司 | C-axis device of numerical control vertical lathe |
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| CN102528519A (en) | 2012-07-04 |
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