CN202180371U - Double-stage variable speed driving device for numeral control vertical lathe - Google Patents
Double-stage variable speed driving device for numeral control vertical lathe Download PDFInfo
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- CN202180371U CN202180371U CN2011202910056U CN201120291005U CN202180371U CN 202180371 U CN202180371 U CN 202180371U CN 2011202910056 U CN2011202910056 U CN 2011202910056U CN 201120291005 U CN201120291005 U CN 201120291005U CN 202180371 U CN202180371 U CN 202180371U
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Abstract
The utility model provides a double-stage variable speed driving device for a numeral control vertical lathe. With the adoption of the double-stage variable speed driving device for the numeral control vertical lathe, the numeral control vertical lathe has the functions of low rotation speed with high torque and high rotation speed with low torque, and the maximum power of a servo motor can be exerted. The double-stage variable speed driving device for the numeral control vertical lathe is characterized in that the double-stage variable speed driving device comprises a belt transmission mechanism, a double-stage gear box and the servo motor, wherein the belt transmission mechanism consists of a first belt wheel, a second belt wheel and a belt, the first belt wheel is in transmission connection with a main shaft of the numeral control vertical lathe and is connected with the second belt wheel through the belt, the second belt wheel is connected with the output end of the double-stage gear box, and the input end of the double-stage gear box is connected with the servo motor.
Description
Technical field
The utility model relates to vertical lathe; Be particularly related to a kind of two grades of speed-changing driving devices of NC vertical lathe; This device makes NC vertical lathe have the function of high rotating speed, low moment of torsion and the slow-speed of revolution, high moment of torsion simultaneously, and can bring into play the peak power of servomotor.
Background technology
Vertical lathe is that a kind of main shaft arranges that vertically workbench rotates in horizontal plane, and knife rest is made the lathe of vertical or oblique feeding, is used for the bigger disk-like accessory of crudy.And NC vertical lathe is to realize the high-precision vertical lathe of processing automatically through the numerical control principle.This lathe is made up of base, workbench, column, crossbeam, traveller, knife rest and digital control system etc. usually, and wherein, workbench is by the main shaft driven rotary in the main spindle box; Main shaft in the main spindle box is by the common electric machine driven rotary, and common electric machine has only a kind of rotating speed when the performance peak power, when common electric machine is selected slowspeed machine; The speed of mainshaft is low speed, and then workbench is exported high moment of torsion, when common electric machine is selected high-speed electric expreess locomotive; The speed of mainshaft is at a high speed, then the low moment of torsion of workbench output.And when accomplishing heavy cut processing (roughing), need workbench output low velocity, high moment of torsion, and when accomplishing smart cut (fine finishining), need high-speed, the low moment of torsion of motor output.Existing main shaft is driven by common electric machine, but because the common electric machine precision is not high, can not guarantee the constant of workbench linear velocity, can't satisfy the requirement of cutting.If use the main shaft in the driven by servomotor main spindle box, thereby electric current control rotating speed can be passed through to change, but the peak power of servomotor can't be brought into play.How to make NC vertical lathe have the function of the slow-speed of revolution, high moment of torsion and high rotating speed, low moment of torsion simultaneously, the peak power that can bring into play servomotor again becomes the research topic of the utility model.
Summary of the invention
The utility model provides a kind of NC vertical lathe two grades of speed-changing driving devices, makes NC vertical lathe have the function of the slow-speed of revolution, high moment of torsion and high rotating speed, low moment of torsion simultaneously, can bring into play the peak power of servomotor again.
For achieving the above object; The technical scheme that the utility model adopts is: two grades of speed-changing driving devices of a kind of NC vertical lathe; Comprise belt gear, two grades of speed-changing gear boxs and servomotor; Belt gear is made up of first belt pulley, second belt pulley and belt, and first belt pulley is connected with the spindle of NC vertical lathe, and first belt pulley is connected with second belt pulley through belt; Second belt pulley is connected with the output of two grades of speed-changing gear boxs, and the input of two grades of speed-changing gear boxs is connected with said servomotor.
Related content in the technique scheme is explained as follows:
1, in the such scheme, said two grades of speed-changing gear boxs mainly are made up of rotating shaft, one group of planetary gear and a planet carrier, and said rotating shaft is provided with first gear and second gear axially being separated by; Said planet carrier is a hollow structure; Chamber wall one end of this hollow structure is provided with first internal gear, and the other end is provided with secondary annulus, and one group of planetary gear is evenly arranged in the circumferencial direction of the first internal gear inner edge; And mesh with first internal gear; One end of said rotating shaft stretches in the hollow structure of planet carrier, and first gear in the rotating shaft is corresponding with one group of planetary gear, and second gear in the rotating shaft is corresponding with secondary annulus; The other end of said rotating shaft is as the input of two grades of speed-changing gear boxs, and an end of said planet carrier is as the output of two grades of speed-changing gear boxs; Do in the axially-movable process in rotating shaft, when first gear and one group of planetary gear engagement, second gear separates with secondary annulus, when first gear separates with one group of planetary gear, and second gear and secondary annulus engagement.
2, in the such scheme, said two grades of speed-changing gear boxs comprise a magnetic valve, and the effect end and the rotating shaft of this magnetic valve are in transmission connection.
The utility model operation principle is: when needs are accomplished heavy cut processing (roughing); Two grades of speed change gears of NC vertical lathe are transferred to low grade; Output low velocity, high moment of torsion; When needs are accomplished smart cut (fine finishining), two grades of speed change gears of NC vertical lathe are transferred to top grade, high-speed, the low moment of torsion of output.
Because the technique scheme utilization, the utility model compared with prior art has advantage:
1, because the utility model uses driven by servomotor, cooperates two grades of speed-changing gear box speed governing, can bring into play the peak power of servomotor.
2, because the utility model uses driven by servomotor, can guarantee the constant of lathe linear velocity.
3, because the utility model uses two grades of speed-changing gear boxs to combine with servomotor, make lathe have the function of the slow-speed of revolution, high moment of torsion and high rotating speed, low moment of torsion simultaneously, show the heavy cut effect, meet the various machining conditions of modern lathe and use.
4,, turn round more smooth-going and noise is low because two grades of speed-changing gear boxs of the utility model adopt the planetary gears design, and compact conformation, internal gear adopt loxodont design.
5, separate lubricating system because two grades of speed-changing gear boxs of the utility model adopt with main shaft, do not have the heat conduction, and the shockproof main shaft that is sent to, guaranteed processing quality.
6, because two grades of speed-changing gear boxs of the utility model adopt flexible output design bearing, can bear radial and axial power.
7, because two grades of speed-changing gear boxs of the utility model are shifted gears by solenoid control, it is reliable and stable to shift gears.
Description of drawings
Accompanying drawing 1 is the low-grade view of the utility model;
Accompanying drawing 2 is the high-grade view of the utility model.
In the above accompanying drawing: 1, servomotor; 2, rotating shaft; 3, planet carrier; 4, second gear; 5, planetary gear; 6, first gear; 7, second belt pulley; 8, first belt pulley; 9, belt; 10, workbench; 11, first internal gear; 12, secondary annulus; 13, magnetic valve.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment: two grades of speed-changing driving devices of a kind of NC vertical lathe
Shown in accompanying drawing 1, accompanying drawing 2; Comprise belt gear, two grades of speed-changing gear boxs and servomotor 1; Belt gear is made up of first belt pulley 8, second belt pulley 7 and belt 9, and first belt pulley 8 is connected with the spindle of NC vertical lathe, and first belt pulley 8 is connected with second belt pulley 7 through belt 9; Second belt pulley 7 is connected with the output of two grades of speed-changing gear boxs, and the input of two grades of speed-changing gear boxs is connected with said servomotor 1.
Said two grades of speed-changing gear boxs mainly are made up of rotating shaft 2, one group of planetary gear 5 and a planet carrier 3; Said rotating shaft 2 is provided with first gear 6 and second gear 4 axially being separated by, and said planet carrier 3 is a hollow structure, and chamber wall one end of this hollow structure is provided with first internal gear 11; The other end is provided with secondary annulus 12; One group of planetary gear 5 is evenly arranged in the circumferencial direction of first internal gear, 11 inner edges, and meshes with first internal gear 11, and an end of said rotating shaft 2 stretches in the hollow structure of planet carrier 3; First gear 6 in the rotating shaft 2 is corresponding with one group of planetary gear 5; Second gear 4 in the rotating shaft 2 is corresponding with secondary annulus 12, and the other end of said rotating shaft 2 is as the input of two grades of speed-changing gear boxs, and an end of said planet carrier 3 is as the output of two grades of speed-changing gear boxs; Do in the axially-movable process in rotating shaft 2, when first gear 6 and one group of planetary gear 5 engagement, second gear 4 separates with secondary annulus 12, when first gear 6 separates with one group of planetary gear 5, and second gear 4 and secondary annulus 12 engagements.
Said two grades of speed-changing gear boxs comprise a magnetic valve 13, and the effect end and the rotating shaft 2 of this magnetic valve 13 are in transmission connection.
When needs are realized heavy cut processing (roughing), two grades of speed change gears of NC vertical lathe are transferred to low grade, shown in accompanying drawing 1; At this moment, the rotating shaft 2 that magnetic valve 13 drives two grades of speed-changing gear boxs moves downward, and second gear 4 in the rotating shaft 2 separates with second internal tooth 12 in the chamber wall of the hollow structure of planet carrier 3; First gear 6 in the rotating shaft 2 and planetary gear 5 engagements, planetary gear 5 and interior first internal tooth, 11 engagements of the chamber wall of planet carrier 3 hollow structures, servomotor 1 starts; Drive rotating shaft 2 high speed rotating, first gear 6 in the rotating shaft 2 slows down through planetary gear 5, and planetary gear 5 drives planet carrier 3 and slowly runs; Planet carrier 3 drives second belt pulley 7 and slowly runs; Second belt pulley 7 drives first belt pulley 8 through belt 9 and slowly runs, and first belt pulley 8 drives workbench 10 through transmission mechanism (not drawing among the figure) and slowly runs, workbench output low velocity, high moment of torsion; Cooperate with the motion of lathe tool, accomplish heavy cut processing.
When needs are realized smart cut (fine finishining), two grades of speed change gears of NC vertical lathe are transferred to top grade, shown in accompanying drawing 2; At this moment, the rotating shaft 2 that magnetic valve 13 drives two grades of speed-changing gear boxs moves upward, and first gear 6 in the rotating shaft 2 separates with planetary gear 5; Second gear 4 in the rotating shaft 2 and interior second internal tooth, 12 engagements of the chamber wall of the hollow structure of planet carrier 3, servomotor 1 starts, and drives rotating shaft 2 high speed rotating; Second gear 4 in the rotating shaft 2 drives planet carrier 3 high speed rotating, and planet carrier 3 drives second belt pulley, 7 high speed rotating, and second belt pulley 7 drives first belt pulley, 8 high speed rotating through belt 9; First belt pulley 8 drives workbench 10 high speed rotating through transmission mechanism (not drawing among the figure); High-speed, the low moment of torsion of workbench 10 outputs cooperates with the motion of lathe tool, accomplishes smart cut.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (3)
1. two grades of speed-changing driving devices of a NC vertical lathe; It is characterized in that: comprise belt gear, two grades of speed-changing gear boxs and servomotor (1); Belt gear is made up of first belt pulley (8), second belt pulley (7) and belt (9); First belt pulley (8) is connected with the spindle of NC vertical lathe; First belt pulley (8) is connected with second belt pulley (7) through belt (9), and second belt pulley (7) is connected with the output of two grades of speed-changing gear boxs, and the input of two grades of speed-changing gear boxs is connected with said servomotor (1).
2. two grades of speed-changing driving devices according to claim 1; It is characterized in that: said two grades of speed-changing gear boxs mainly are made up of rotating shaft (2), one group of planetary gear (5) and a planet carrier (3); Said rotating shaft (2) is provided with first gear (6) and second gear (4) axially being separated by; Said planet carrier (3) is a hollow structure; Chamber wall one end of this hollow structure is provided with first internal gear (11), and the other end is provided with secondary annulus (12), and one group of planetary gear (5) is evenly arranged in the circumferencial direction of first internal gear (11) inner edge; And mesh with first internal gear (11); One end of said rotating shaft (2) stretches in the hollow structure of planet carrier (3), and first gear (6) in the rotating shaft (2) is corresponding with one group of planetary gear (5), and second gear (4) in the rotating shaft (2) is corresponding with secondary annulus (12); The other end of said rotating shaft (2) is as the input of two grades of speed-changing gear boxs, and an end of said planet carrier (3) is as the output of two grades of speed-changing gear boxs; Do in the axially-movable process in rotating shaft (2); When first gear (6) meshes with one group of planetary gear (5); Second gear (4) separates with secondary annulus (12); When first gear (6) and one group of planetary gear (5) when separating, second gear (4) and secondary annulus (12) engagement.
3. two grades of speed-changing driving devices according to claim 2 is characterized in that: said two grades of speed-changing gear boxs comprise a magnetic valve (13), and effect end of this magnetic valve (13) and rotating shaft (2) are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202910056U CN202180371U (en) | 2011-08-11 | 2011-08-11 | Double-stage variable speed driving device for numeral control vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202910056U CN202180371U (en) | 2011-08-11 | 2011-08-11 | Double-stage variable speed driving device for numeral control vertical lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202180371U true CN202180371U (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202910056U Expired - Fee Related CN202180371U (en) | 2011-08-11 | 2011-08-11 | Double-stage variable speed driving device for numeral control vertical lathe |
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| Country | Link |
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| CN (1) | CN202180371U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737413A (en) * | 2013-11-25 | 2014-04-23 | 无锡京华重工装备制造有限公司 | Transmission structure |
| CN104942312A (en) * | 2015-06-25 | 2015-09-30 | 温州大学 | Machine tool with two drivers |
| CN106002431A (en) * | 2016-07-27 | 2016-10-12 | 山东鲁南机床有限公司 | Large-torque milling and drilling power device |
-
2011
- 2011-08-11 CN CN2011202910056U patent/CN202180371U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737413A (en) * | 2013-11-25 | 2014-04-23 | 无锡京华重工装备制造有限公司 | Transmission structure |
| CN104942312A (en) * | 2015-06-25 | 2015-09-30 | 温州大学 | Machine tool with two drivers |
| CN106002431A (en) * | 2016-07-27 | 2016-10-12 | 山东鲁南机床有限公司 | Large-torque milling and drilling power device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YOUJI MACHINE INDUSTRIAL (CHINA) COMPANY LIMITED Free format text: FORMER NAME: YOUJI MACHINE INDUSTRIAL (KUNSHAN) COMPANY LIMITED |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 215337, Jiangsu Province, Suzhou City, Kunshan Province Zhou Town, Long Jing Jing Road No. 520 Patentee after: Youji Machine Industrial (Kunshan) Co., Ltd. Address before: 215337, Jiangsu Province, Suzhou City, Kunshan Province Zhou Town, Long Jing Jing Road No. 520 Patentee before: Oil machine industry (Kunshan) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20150811 |
|
| EXPY | Termination of patent right or utility model |