CN205271553U - Numerical control flat turning disc - Google Patents
Numerical control flat turning disc Download PDFInfo
- Publication number
- CN205271553U CN205271553U CN201620009352.8U CN201620009352U CN205271553U CN 205271553 U CN205271553 U CN 205271553U CN 201620009352 U CN201620009352 U CN 201620009352U CN 205271553 U CN205271553 U CN 205271553U
- Authority
- CN
- China
- Prior art keywords
- gear
- worm
- planetary
- drive
- rotary body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a numerical control flat turning disc, including supporting seat, rotator, drive rotor, U axle drive mechanism, slider mechanism and position sigual detection feedback mechanism, its theory of operation utilizes the lathe main shaft to drive the main motion that drives the rotor rotation and realize the facing head, simultaneously, accomplish resultant motion by servo motor drive worm worm gear pair and differential planetary mechanism to through the vice meshing transmission drive planet roller lead screw mechanism motion of bevel gear, drive lathe cutter realization U axle motion (radial feed movement promptly) through the vice lead screw nut seat of the reaching drive slider of planet roller lead screw. The utility model discloses drive mechanism is novel in design, has adopted accurate differential planetary mechanism and high accuracy planet roller screw drive to be equipped with U axle full cut -off ring feedback system, its driving chain overall arrangement is novel, compact structure is reasonable, has the characteristics that the rigidity is good, the little machining precision of axial dimensions high, connect safe and reliable, can satisfy modern digit control machine tool and quantify the requirement to the high accuracy of numerical control flat turning disc proposition, high rigidity, small -size and light in weight, and its reliability is high, and the practicality is strong.
Description
Technical field
This utility model relates to numerical control machine tool technical field, particularly relates to a kind of numerical facing head.
Background technology
At present, at mechanical processing industry, a lot of product components, especially high-end component of machine is more and more higher to the requirement of machining accuracy, and machining equipment is just proposed more, higher requirement by this. But from current Industry situation, owing to the structure of numerically controlled processing equipment is limit, the processing of a lot of parts is still had any problem, the parts of especially a lot of profiles or internal structure complexity, even if adopting existing Digit Control Machine Tool to be also relatively difficult to, and wasting time and energy, production efficiency is low. Accordingly, it would be desirable to Digit Control Machine Tool is carried out appropriate reconstruction, usual method is to be installed at by numerical facing head on Digit Control Machine Tool (numerical control borer, numerical control gantry mill etc.). Existing numerical facing head is installed on lathe (numerical control borer, numerical control gantry mill etc.) main spindle box end (also have and be installed on main spindle box ram end) more, in order to the parts that profile or internal structure are complicated are carried out Precision Machining by Digit Control Machine Tool.
At present, see that in the industry some type numerical facing heads use, but these numerical facing heads some technical problems of many existence. It is summed up, is primarily present following weak point:
1. non-removable connection it mostly is;
2. U axle (radial feed) driving-chain is designed to be arranged in main spindle box, and driving-chain is long and complex, assembling and setting difficulty, and machine driving poor rigidity, gap are big, poor stability;
3. appearance design is heavy, axial dimension is big, configuration design is disproportionate, weight is big, machine tool system compensates difficulty, it is difficult to meet the modern mechanical industrial products processing request to abnormal complex profiles such as sphere, R profile, the conical surfaces;
4. the demand that Modern NC Machine Tool adnexa is many, accessory replacing frequent, installation accuracy requirement is high can not be met.
Utility model content
For the problems referred to above, this utility model now proposes a kind of novel numerical control facing head, to solve the deficiencies in the prior art, makes Digit Control Machine Tool be more easy to the Precision Machining realizing complex profile workpiece.
The technical solution of the utility model is:
A kind of numerical facing head, including supporting seat, rotary body, driving rotor, U shaft transmission, position signalling detection feedback mechanism. Wherein, rotary body and driving rotor are arranged on supporting seat respectively through rolling bearing, and described rotary body is connected and with driving rotor motion by fastening connection piece is fixing with driving rotor; Described U shaft transmission is separately positioned on supporting seat and a rotating body, including driving bevel gear, main motion output gear, servomotor, driven synchronous pulley, Timing Belt, active synchronization belt wheel, worm couple and differential planetary mechanism, planet roller screw mechanism and slide block; Described driving bevel gear is arranged on the junction driving rotor and rotary body, and by driving rotor and rotary body common support, and with planetary output gear engaged transmission; Described main motion output gear with drive that rotor is fixing to be connected, and with the main motion input gear engaged transmission of worm couple and differential planetary mechanism;
Described servomotor is arranged in supporting seat die cavity and fixes with supporting seat and is connected, described active synchronization belt wheel is arranged on servo motor output shaft and is secured to connect, described driven synchronous pulley is arranged on the feeding input worm screw of worm couple and differential planetary mechanism, and constitutes V belt translation by Timing Belt with active synchronization belt wheel;
Described worm couple and differential planetary mechanism include main motion input gear, feeding input worm screw, worm gear, planetary gear, axle and planetary output gear, and are connected with supporting seat by axle; Described main motion input gear, worm gear, planetary output gear are arranged in axle, and are connected with axle; Described worm gear and feeding input worm engaging transmission, described planetary gear is arranged on worm gear and moves with worm gear;
Described planet roller screw mechanism and slide block are arranged on a rotating body, including planetary roller screw, planetary roller screw nut seat and driven bevel pinion, slide block; Described driven bevel pinion and driving bevel gear engaged transmission also drive planetary roller screw move, and described slide block is fixed with planetary roller screw nut seat and is connected, and can do rectilinear motion with planet roller screw nut seat along the guide rail of rotary body.
Operation principle process of the present utility model is: is driven by machine tool chief axis straight end-face key and drives rotor and rotary body to rotate, thus realizing the rotary motion (i.e. facing head main motion, the turn S of accompanying drawing 1) of facing head; Meanwhile, the power of the servomotor output toothed belt transmission through being made up of active synchronization belt wheel, Timing Belt and driven synchronous pulley, transmit power to feeding input worm screw, resultant motion is completed by Worm Wheel System and differential planetary mechanism transmission, its output power is through the bevel gear pair engaged transmission of driving bevel gear and driven bevel pinion, drive planetary roller screw rotates, and drives slide block to drive machine tool to realize U axle motion (i.e. radial feed motion) again through feed screw nut seat.
Compared with prior art, this utility model has the advantages that
1, owing to have employed high accuracy planetary roller screw rod transmission, its cumulative pitch error only 0.006mm/300mm, its machining accuracy is high;
2, U shaft transmission is novel in design, applies to creationary for the operation principle of differential planetary mechanism flexibly in facing head U axis transmission structure, solves feed motion transmission (synthesis) problem of numerical facing head cleverly;
3, the innovative design of supporting seat inner-cavity structure makes U through-drive chain layout novelty, compact conformation reasonable, good rigidly, and axial dimension is little, fully meets high rigidity, small size and weight lightweight requirements that numerical facing head is proposed by Modern NC Machine Tool;
4, have employed the accurate differential planetary mechanism transmission of particular design, be conducive to keeping for a long time of machining accuracy, add custom-designed a set of rotary encoder detecting device for it and constitute the closed-loop feedback system of U axle, ensure that the driven off by shaft high accuracy of U, and make accuracy compensation work very easy.
5, versatility is good, and the suitability is strong, and the interface size that need only suitably change adpting flange and ram just can be arranged on the lathe of the different size such as numerical control borer or numerical control gantry mill very easily;
6, rotary body adopts special articulation screw to be connected and use locking device with driving rotor, connects reliable, has been effectively ensured the high accuracy of numerical facing head rotary motion (main motion) and the security reliability of operation.
Accompanying drawing explanation
Fig. 1 is this utility model application schematic diagram
Fig. 2 is this utility model half sectional view (along central axis)
Fig. 3 is the A-A sectional view (supporting seat is die cavity layout radially) of Fig. 2
Fig. 4 is worm couple and the differential planetary mechanism enlarged drawing of this utility model
Fig. 5 is the planet roller screw mechanism enlarged drawing of this utility model
In Fig. 1: 1-machine ram; 2-adpting flange; 3-numerical facing head; 4-tool rest; 5-cutter holder; 6-cutter; 7-workpiece
In Fig. 2: 301-supporting seat; 302-drives rotor; 303-machine tool chief axis; 304-main motion output gear;
305-locking device; 306-fastening connection piece; 307-slide block; 308-driving bevel gear; 309-rotary body;
330-worm couple and differential planetary mechanism; 340-planet roller screw mechanism;
3011,3012-rolling bearing;
In Fig. 3: the driven synchronous pulley of 310-; 311-Timing Belt; 312-active synchronization belt wheel; 313-servomotor
314-closed-loop signal rotation encoder; 315-Full Closed-loop Position detects preposition decelerator
The stroke detection of 316-slide position switchs preposition decelerator; 317-slide position stroke negative pole limit detection switch
318-slide position stroke detection switch screw pair; The positive limit detection switch of 319-slide position stroke
In Fig. 4: 331-worm gear; 332-main motion input gear; 333-planetary gear; 334-axle; 335-planetary output gear; 336-feeding input worm screw.
In Fig. 5: 341-roller screw (removes); 340-planet roller screw mechanism; 342-planetary roller screw nut seat;
343-driven bevel pinion
Detailed description of the invention
Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.
A kind of numerical facing head, referring to accompanying drawing 1-5, including supporting seat 301, rotary body 309, drives rotor 302, U shaft transmission and position signalling detection feedback mechanism. Wherein, rotary body 309 and driving rotor 302 are fixedly installed on supporting seat 301 respectively through rolling bearing 3011,3012, and described rotary body 309 is connected and with driving rotor 302 to move by fastening connection piece 306 is fixing with driving rotor 302; Described U shaft transmission is separately positioned in supporting seat 301 and rotary body 309, including driving bevel gear 308, main motion output gear 304, servomotor 313, driven synchronous pulley 310, Timing Belt 311, active synchronization belt wheel 312, worm couple and differential planetary mechanism 330, planet roller screw mechanism 340 and slide block 307; Described driving bevel gear 308 is arranged on the junction driving rotor 302 and rotary body 309, and by driving rotor 302 and rotary body 309 common support, and with planetary output gear 335 engaged transmission; Described main motion output gear 304 with drive that rotor 302 is fixing to be connected, and with main motion input gear 332 engaged transmission of worm couple and differential planetary mechanism 330, described main motion output gear 304 can move with driving rotor 302; Described servomotor 313 is arranged in supporting seat 301 die cavity and fixes with supporting seat 301 and is connected; Described active synchronization belt wheel 312 is arranged on servomotor 313 output shaft and is secured to connect, described driven synchronous pulley 310 is arranged on the feeding input worm screw 336 of worm couple and differential planetary mechanism 330, and constitutes V belt translation by Timing Belt 311 and active synchronization belt wheel 312;
Described worm couple and differential planetary mechanism 330 include main motion input gear 332, feeding input worm screw 336, worm gear 331, planetary gear 333, axle 334 and planetary output gear 335, and are connected with supporting seat 301 by axle 334; Described main motion input gear 332, worm gear 331, planetary output gear 335 are arranged in axle 334, and are connected with axle 334; Described worm gear 331 inputs worm screw 336 and engages and form Worm Wheel System with feeding, and described planetary gear 333 is arranged on worm gear 331 and rotates with worm gear 331;
Described planet roller screw mechanism and slide block 307 are arranged in rotary body 309, including planet roller screw mechanism 340, planetary roller screw nut seat 342, driven bevel pinion 343 and slide block 307, described driven bevel pinion 343 forms gear drive with driving bevel gear 307 and drives planet roller screw mechanism 340 to move, described slide block 307 and feed screw nut seat 342 is fixing to be connected, and does rectilinear motion with feed screw nut seat 342 along the guide rail of rotary body 309;
Described position signalling detection feedback mechanism includes closed-loop signal rotation encoder 314, Full Closed-loop Position detects preposition decelerator 315, slide position stroke detection switchs preposition decelerator 316, the positive limit detection switch 319 of slide position stroke negative pole limit detection switch 317, slide position stroke detection switch screw pair 318, slide position stroke, and is arranged in supporting seat 301 die cavity.
Operation principle of the present utility model is: is driven by machine tool chief axis 303 straight end-face key and drives rotor 302 and rotary body 309 to rotate, thus realizing the rotary motion (i.e. facing head main motion, the turn S in accompanying drawing 1) of facing head; Meanwhile, the power of the servomotor 313 output toothed belt transmission through being made up of active synchronization belt wheel 312, Timing Belt 311 and driven synchronous pulley 310, transmit power to feeding input worm screw 336, resultant motion is completed by Worm Wheel System and differential planetary mechanism 330 transmission, its output power is through the bevel gear pair engaged transmission of driving bevel gear 307 and driven bevel pinion 343, drive planet roller screw mechanism 340 to move, drive slide block 306 to drive machine tool 6 to realize U axle motion (i.e. radial feed motion) by feed screw nut seat 342.
For guaranteeing rotary body 309 and driving rotor 302 can do the motion of high-precision synchronous rotary in supporting seat 301, rotary body 309 and driving rotor 302 are fixedly mounted on supporting seat 301 respectively through rolling bearing 3011 and rolling bearing 3012, and the rolling bearing 3011 and 3012 adopted is the ultralight ultra-narrow taper roll bearing of special high accuracy.
For making differential planetary mechanism reliably working, being provided with planetary gear 333 on worm gear 331, this planetary gear 333 has six pairs, they both can rotation, simultaneously can do revolution motion with worm gear 331 again.
For improving rotary body 309 and the connection reliability driving rotor 302, adopt special articulation screw as fastening connection piece 306, to realize rotary body 309 and to drive being reliably connected of rotor 302; Meanwhile, it is additionally provided with locking device 305, to guarantee rotary body 309 and the connection reliability driving rotor 302.
Additionally, for the precise motion guiding realizing slide block 307, rotary body 309 is provided with precision height, wearability is good, shock-absorbing is strong special rectangular guideway.
During enforcement, cutter holder 5 is fixedly mounted on after loading onto cutter 6 on tool rest 4, and tool rest 4 is connected by soket head cap screw and T-shaped key are fixing with the T-slot of slide block 306, described slide block 306 is arranged in the rectangular guideway of rotary body 309 and can only move linearly on rectangular guideway (i.e. the motion of U axle), and slide block mobile accuracy and rigidity can be adjusted guarantee by wedge; Described numerical facing head 3 is standard accessory, and after itself and adpting flange 2 being fastenedly connected, then integral installation is in the end of machine ram 1. And the self gravitation of the cutting force of cutter 6, numerical facing head 3 is delivered on machine ram 1 by adpting flange 2.
When isolated operation U axle, the plane to workpiece (end face) processing can be realized; The interpolation that links of U axle and other axle (X, W, V axle of numerical control borer, the X, Y, Z axis of numerical control gantry mill) can complete the processing (Internal Spherical Surface, R face, the conical surface, screw thread etc.) to workpiece shaped face very easily.
In accompanying drawing 1, W is the reciprocating motion (i.e. the motion of W axle) that machine ram drives facing head, V is the reciprocating motion (i.e. the motion of V axle) that platen drives workpiece, U is the direction of motion (i.e. the motion of U axle) of facing head slide block, S is the rotary motion (i.e. facing head main motion, S axle rotates) that machine tool chief axis drives facing head.
The foregoing is only better embodiment of the present utility model, not in order to limit this utility model. All make on this utility model basis any amendment, change etc., belong to protection domain of the present utility model.
Claims (7)
1. a numerical facing head, it is characterized in that: include supporting seat, rotary body, driving rotor, U shaft transmission and position signalling detection feedback mechanism, described rotary body and driving rotor are fixedly installed on supporting seat respectively through rolling bearing, and described rotary body is connected and with driving rotor motion by fastening connection piece is fixing with driving rotor; Described U shaft transmission is separately positioned on supporting seat and a rotating body, including driving bevel gear, main motion output gear, servomotor, driven synchronous pulley, Timing Belt, active synchronization belt wheel, worm couple and differential planetary mechanism, planet roller screw mechanism and slide block; Described driving bevel gear is arranged on the junction driving rotor and rotary body, and by driving rotor and rotary body common support, and with planetary output gear engaged transmission; Described main motion output gear with drive that rotor is fixing to be connected, and with the main motion input gear engaged transmission of worm couple and differential planetary mechanism; Described servomotor is arranged in supporting seat and fixes with supporting seat and is connected, described active synchronization belt wheel is arranged on servo motor output shaft and is secured to connect, described driven synchronous pulley is arranged on the feeding input worm screw of worm couple and differential planetary mechanism, and constitutes V belt translation by Timing Belt with active synchronization belt wheel;
Described worm couple and differential planetary mechanism include main motion input gear, feeding input worm screw, worm gear, planetary gear, axle and planetary output gear, and are connected with supporting seat by axle; Described main motion input gear, worm gear, planetary output gear are arranged in axle, and are connected with axle; Described worm gear and feeding input worm engaging transmission, described planetary gear is arranged on worm gear and moves with worm gear;
Described planet roller screw mechanism is arranged on a rotating body, and including planetary roller screw, planetary roller screw nut seat and driven bevel pinion, described driven bevel pinion and driving bevel gear engaged transmission also drive planetary roller screw to move;
Described slide block is arranged on a rotating body, and described slide block is fixing with planetary roller screw nut seat to be connected, and can do rectilinear motion with feed screw nut seat along rotary body guide rail.
2. a kind of numerical facing head according to claim 1, it is characterized in that: described position signalling detection feedback mechanism includes closed-loop signal Heidenhain rotary encoder, Full Closed-loop Position detects preposition decelerator, slide position stroke detection switchs preposition decelerator, slide position stroke negative pole limit detection switch, the positive limit detection switch of slide position stroke detection switch screw pair, slide position stroke, and is arranged in supporting seat.
3. a kind of numerical facing head according to claim 1, it is characterised in that: it is additionally provided with for guaranteeing rotary body and the locking device driving rotor to be reliably connected.
4. a kind of numerical facing head according to claim 1, it is characterised in that: described rotary body is provided with rectangular guideway.
5. a kind of numerical facing head according to claim 1, it is characterised in that: described fastening connection piece is articulation screw.
6. a kind of numerical facing head according to claim 1, it is characterised in that: described rolling bearing is ultralight ultra-narrow taper roll bearing.
7. a kind of numerical facing head according to claim 1, it is characterised in that: described worm couple and differential planetary mechanism have 6 pairs of planetary gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009352.8U CN205271553U (en) | 2016-01-07 | 2016-01-07 | Numerical control flat turning disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009352.8U CN205271553U (en) | 2016-01-07 | 2016-01-07 | Numerical control flat turning disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205271553U true CN205271553U (en) | 2016-06-01 |
Family
ID=56056174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620009352.8U Expired - Fee Related CN205271553U (en) | 2016-01-07 | 2016-01-07 | Numerical control flat turning disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205271553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014991A (en) * | 2018-10-09 | 2018-12-18 | 西南石油大学 | One kind self-locking can be synchronized to heart centre frame |
| CN112453585A (en) * | 2020-12-12 | 2021-03-09 | 江西洪都航空工业集团有限责任公司 | Bearing hole groove machining method |
-
2016
- 2016-01-07 CN CN201620009352.8U patent/CN205271553U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014991A (en) * | 2018-10-09 | 2018-12-18 | 西南石油大学 | One kind self-locking can be synchronized to heart centre frame |
| CN112453585A (en) * | 2020-12-12 | 2021-03-09 | 江西洪都航空工业集团有限责任公司 | Bearing hole groove machining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201195245Y (en) | Five-shaft five-linkage machining center | |
| CN201931284U (en) | Large high-precision numerical control rotating worktable | |
| CN202726203U (en) | Full-automatic double-straight-drive numerical-control dry-cutting gear hobbing machine with seven shafts | |
| CN102009371A (en) | Additional device with A and B-axis oscillating structure and manufacturing method thereof | |
| CN101870011A (en) | Numerical control pipe lathe | |
| CN103121168A (en) | Numerical-control large-scale precise dual-drive gap removing rotating working table | |
| CN205271553U (en) | Numerical control flat turning disc | |
| CN202655913U (en) | Rotary type workbench and vertical type turn milling compound machine tool | |
| CN103658869A (en) | High-accuracy gear milling machine for gear and rack | |
| CN213998763U (en) | C-axis feeding indexing device of heavy horizontal lathe | |
| CN202045366U (en) | Numerical control flat-turning lathe | |
| CN203509772U (en) | Hydraulic-driven precision indexing turntable | |
| CN203765309U (en) | Direct drive type numerical control turntable | |
| CN202607380U (en) | Rotary ball screw mechanism for Z-directional feeding of nuts for numerical control machine tool | |
| CN205032738U (en) | Thin wall pipe part is with special numerical control lathe of car generation mill processing | |
| CN201702478U (en) | Kinematics synthesis device of single-way servo radial feed NC pipe threading machine | |
| CN204135675U (en) | Twin shaft complex milling machine | |
| CN109571051A (en) | A kind of digital control vertical turn-milling complex machining center workbench | |
| CN116275612A (en) | Full-stroke heavy-duty laser pipe cutting clamping disc | |
| CN202934394U (en) | Numerically controlled knife rest feeding structure of vertical lathe | |
| CN201693259U (en) | Numerical control pipe lathe | |
| CN201744756U (en) | Numerical control fancing head system for multi-cutter radial feed | |
| CN204397500U (en) | Chain wheel formula vertical rotary workbench | |
| CN204935636U (en) | There is based on plane parallel mechanism the series-parallel robot of redundant drive | |
| CN203509170U (en) | Driven universal milling head of numerically-controlled machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160601 Termination date: 20190107 |