CN102653063A - Integrated transmission case for machine tool - Google Patents
Integrated transmission case for machine tool Download PDFInfo
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- CN102653063A CN102653063A CN201110052158XA CN201110052158A CN102653063A CN 102653063 A CN102653063 A CN 102653063A CN 201110052158X A CN201110052158X A CN 201110052158XA CN 201110052158 A CN201110052158 A CN 201110052158A CN 102653063 A CN102653063 A CN 102653063A
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- gear
- feeding
- driven
- retreat
- transmission case
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Abstract
The invention discloses an integrated transmission case for a machine tool. The transmission case adopts two one-way transmissions in opposite directions, and rapid retrocession and slow feed of the machine tool can be realized by a simple structure, so that the integrated transmission case has the advantages of simple structure, low construction cost, low failure rate and low maintaining cost. Simultaneously, the transmissions and a planetary gear reduction gear are integrally installed in the same transmission case body, so that the problem of single function of a mechanical transmission of the machine tool can be overcome and the whole transmission case can integrally complete mechanical outputs of forward and backward rotation at different speeds; in addition, the integrated transmission case can simplify an electronic control system and shorten the size of the transmission case as compared with the existing system.
Description
Technical field
The present invention relates to machine tool field, particularly a kind of lathe one transmission case.
Background technology
Plant equipment has a lot of functions to realize through transmission of torque, when load end overload or stuck, the motor of power stall is provided and generates heat even burns causing; Therefore the general relay overcurrent protective device that adopts in time breaks off motor power, to reach the purpose of protection motor; In practical application; Usually caused motor to burn because overcurrent protection lost efficacy, therefore, overcurrent protection can not be stopped accident fully and take place.In addition, some equipment need apply and keeps certain pressure to workpiece, and general at present the employing is advanced into workpiece with execution units such as briquetting or work piece holders earlier; After arriving the precalculated position, it is out of service to adopt sensor or travel switch to control motor, and then the base part of locked briquetting or anchor clamps; There are two defectives in this method; The one, can not accurately control pressure or chucking power to workpiece, increase pressure sensor control system and can increase cost greatly, the 2nd, when sensor and travel switch inefficacy; Still can cause the motor stall, possible defective work piece or motor.The controlled pressure that therefore, need increase more reliably, again can be more accurate or the transmission device of chucking power.Simultaneously, the general speed change gear that uses of lathe is common gear-box at present, and gear quantity is more, and device volume is bigger, and cost is higher.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of simple in structurely, cost is lower, and fault rate is low, and volume is little, the lathe one transmission case that maintenance cost is low.
For achieving the above object, technical scheme of the present invention is: a kind of lathe one transmission case,
Comprise:
Transmission case body, planetary gear, retreat driving gear, feeding driving gear, driving shaft, retreat driven gear, feeding driven gear and driven axle; Saidly retreat driving gear and the feeding driving gear is coaxial is connected on the driving shaft; Said driving shaft and said planetary output shaft are in transmission connection, and the dynamical system of said planetary power shaft and said lathe is in transmission connection;
Saidly retreat driven gear and the feeding driven gear is coaxial is connected on the driven axle, the actuating unit of said driven axle and said lathe is in transmission connection;
Said retreat driving gear, feeding driving gear and saidly retreat driven gear, the feeding driven gear is corresponding respectively is in transmission connection;
Said driving gear and the feeding driving gear retreated is respectively equipped with a direction and follows driving shaft and rotate the unidirectional transmission that another direction is then freely rotated around driving shaft synchronously, and the servo-actuated of said two non-return devices and driving shaft is in the opposite direction; Or,
Said driven gear and the feeding driven gear retreated is respectively equipped with a direction and follows driven axle and rotate the unidirectional transmission that another direction is then freely rotated around driven axle synchronously, and the servo-actuated of said two non-return devices and driven axle is in the opposite direction;
Said planetary gear, retreat driving gear, feeding driving gear, driving shaft, retreat driven gear, feeding driven gear and driven axle and all be installed in the said transmission case body.
Preferably, said retreat driving gear, feeding driving gear and saidly retreat driven gear, the corresponding respectively coupling of feeding driven gear is connected with a joggle.
Preferably, comprise also and retreat reduction box and feeding reduction box that the said driving gear, feeding driving gear retreated retreated reduction box and the corresponding coupling of feeding reduction box is connected with a joggle through said respectively with said driven gear, the feeding driven gear retreated.
Preferably, said unidirectional transmission is that a direction is followed driving shaft or driven axle and rotated unilateral bearing, one-way clutch or the ratchet that another direction is then freely rotated around driving shaft or driven axle synchronously.
Preferably, the gear ratio of said feeding driving gear and said feeding driven gear less than retreat driving gear with retreat driven gear gear ratio.
Preferably; Said planetary gear comprises sun gear, at least two planetary gears and planet carrier; Said sun gear is connected with said power shaft fixing coaxial, and said at least two planetary gears all are rotationally connected with on the said planet carrier, and said output shaft is fixedly connected on the rotating shaft of said planet carrier.
Adopt the beneficial effect of present technique scheme to be: adopt two covers unidirectional transmission in the opposite direction and planetary gear combination, can realize retreating fast and feeding at a slow speed of lathe through simple structure, simple in structure, cost is low, and fault rate and maintenance cost are low.Simultaneously said apparatus and planetary gear speed-reduction geared system are integrated and be installed in the same transmission case body, planetary gear has the little advantage of volume, therefore can dwindle the volume of whole device, and can simplify electric-control system greatly.
Description of drawings
Fig. 1 is the sketch map of a kind of lathe one of the present invention transmission case.
The numeral corresponding component title represented among the figure with letter:
1. dynamical system 2. is retreated driving gear 3. driving shafts 4. feeding driving gears 5. and is retreated driven gear 6. driven axles 7. feeding driven gears 8. actuating units 9. transmission case bodies 10. external toothings 11. planetary gears 12. sun gears 13. planet carriers
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Embodiment 1,
As shown in Figure 1, a kind of lathe one transmission case comprises:
Transmission case body 9, planetary gear, retreat driving gear 2, feeding driving gear 4, driving shaft 3, retreat driven gear 5, feeding driven gear 7 and driven axle 6; Saidly retreat driving gear 2 and feeding driving gear 4 coaxial being connected on the driving shaft 3; Said driving shaft 3 is in transmission connection with said planetary output shaft, and the dynamical system 1 of said planetary power shaft and said lathe is in transmission connection; Said planetary gear comprises sun gear 12, two planetary gears 11 and planet carriers 13; Said sun gear 12 is connected with said power shaft fixing coaxial; Said two planetary gears 11 all are rotationally connected with on the said planet carrier 13, and said output shaft is fixedly connected on the rotating shaft of said planet carrier.Said planetary gear, retreat driving gear 2, feeding driving gear 4, driving shaft 3, retreat driven gear 4, feeding driven gear 7 and driven axle 6 and all be installed in the said transmission case body 9.
Saidly retreat driven gear 5 and feeding driven gear 7 coaxial being connected on the driven axle 6, said driven axle 6 is in transmission connection with the actuating unit 8 of said lathe;
Said retreat driving gear 2, feeding driving gear 4 and saidly retreat driven gear 5, feeding driven gear 7 is corresponding respectively is in transmission connection;
Said driving gear 2 and the feeding driving gear 4 retreated is respectively equipped with a direction and follows driving shaft 3 and rotate the unidirectional transmission that another directions are then freely rotated around driving shaft 3 synchronously, and the servo-actuated of said two non-return devices and driving shaft 3 is in the opposite direction; Said retreat driving gear 2, feeding driving gear 4 and saidly retreat driven gear 5, the corresponding respectively coupling of feeding driven gear 7 is connected with a joggle; Said unidirectional transmission is that a direction is followed the unilateral bearing that driving shaft 3 synchronous another directions of rotation are then freely rotated around driving shaft 3.Be fixedly connected with said driven axle 6 with feeding driven gear 7 and retreat driven gear 5.
Its operation principle is when retreating, to start dynamical system 1; Drive sun gear 12 and rotate, sun gear 12 drives planetary gear 11 and rotates around sun gear 12, and planetary gear 11 drives planet carrier 13 and rotates; Planet carrier 13 drives driving shaft 3 and rotates, and driving shaft 3 drives retreats driving gear 2 rotations, and driving gear 2 drives are retreated driven gear 5 and rotated; Retreat driving gear 5 and drive driven axle 6 rotations, driven axle 6 drives lathe actuating units 8 and retreats fast, and feeding this moment driven gear 7 is also along with driven axle 6 rotates; It drives feeding driving gear 4 and rotates, because the existence of unidirectional transmission, feeding this moment driving gear 4 rotates freely around driving shaft 3; And do not have the transmission of moment and energy, be equivalent to the gear relevant and all have neither part nor lot in work with feeding.Otherwise, when feeding, dynamical system 1 counter-rotating; The planetary gear counter-rotating; Drive driving shaft 3 counter-rotatings, feeding this moment driving gear 4 and 7 work of feeding driven gear drive 8 feedings at a slow speed of lathe actuating unit; Because the gear ratio of feeding driving gear 4 and said feeding driven gear 7 less than retreat driving gear 2 with retreat driven gear 5 gear ratio, therefore realized that astern speed is greater than feed speed.Present embodiment has realized in an integral type transmission case, realizing the requirement of integrated completion mechanical type rotating different rotating speeds output.Omitted complicated electrical speed regulation control system.It is little to have volume, and cost is low, the reliability advantages of higher.The planetary gear volume is little simultaneously, and the transmission case overall volume is dwindled.
Embodiment 2,
All the other are identical with embodiment 1; Difference is; Said driven gear and the feeding driven gear retreated is respectively equipped with a direction and follows driven axle and rotate the unidirectional transmission that another direction is then freely rotated around driven axle synchronously, and the servo-actuated of said two non-return devices and driven axle is in the opposite direction.Be fixedly connected with said driving shaft 3 with feeding driving gear 4 and retreat driving gear 2.
Embodiment 3,
All the other are identical with embodiment 1; Difference is; Lathe one transmission case also comprises retreats reduction box and feeding reduction box, and the said driving gear 2, feeding driving gear 4 retreated retreated reduction box and the corresponding coupling of feeding reduction box is connected with a joggle through said respectively with said driven gear 5, the feeding driven gear 7 retreated; Can realize velocity ratio and the moment transmission more optimized like this.
In the foregoing description, said unidirectional transmission is that a direction is followed driving shaft or driven axle and rotated unilateral bearing, one-way clutch or the ratchet that another direction is then freely rotated around driving shaft or driven axle synchronously.And the unidirectional transmission of other similar bicycle freewheel structures.Because a lot of similar structures are not being given unnecessary details at this in the prior art.In like manner, the planetary gear in the planetary gear also can be 3 or 4 etc., confirms as required.
Adopt the beneficial effect of present technique scheme to be: adopt two covers unidirectional transmission in the opposite direction, can realize retreating fast and feeding at a slow speed of lathe through simple structure, simple in structure, cost is low, and fault rate and maintenance cost are low.Simultaneously said apparatus and planetary gear speed-reduction geared system are integrated and be installed in the same transmission case body, planetary gear has the little advantage of volume, therefore can dwindle the volume of whole device.
Above-described only is preferred implementation of the present invention, should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (6)
1. a lathe one transmission case is characterized in that, comprising:
Transmission case body, planetary gear, retreat driving gear, feeding driving gear, driving shaft, retreat driven gear, feeding driven gear and driven axle; Saidly retreat driving gear and the feeding driving gear is coaxial is connected on the driving shaft; Said driving shaft and said planetary output shaft are in transmission connection, and the dynamical system of said planetary power shaft and said lathe is in transmission connection;
Saidly retreat driven gear and the feeding driven gear is coaxial is connected on the driven axle, the actuating unit of said driven axle and said lathe is in transmission connection;
Said retreat driving gear, feeding driving gear and saidly retreat driven gear, the feeding driven gear is corresponding respectively is in transmission connection;
Said driving gear and the feeding driving gear retreated is respectively equipped with a direction and follows driving shaft and rotate the unidirectional transmission that another direction is then freely rotated around driving shaft synchronously, and the servo-actuated of said two non-return devices and driving shaft is in the opposite direction; Or,
Said driven gear and the feeding driven gear retreated is respectively equipped with a direction and follows driven axle and rotate the unidirectional transmission that another direction is then freely rotated around driven axle synchronously, and the servo-actuated of said two non-return devices and driven axle is in the opposite direction;
Said planetary gear, retreat driving gear, feeding driving gear, driving shaft, retreat driven gear, feeding driven gear and driven axle and all be installed in the said transmission case body.
2. lathe one transmission case according to claim 1 is characterized in that, said retreat driving gear, feeding driving gear and saidly retreat driven gear, the corresponding respectively coupling of feeding driven gear is connected with a joggle.
3. lathe one transmission case according to claim 1; It is characterized in that; Comprise also and retreat reduction box and feeding reduction box that the said driving gear, feeding driving gear retreated retreated reduction box and the corresponding coupling of feeding reduction box is connected with a joggle through said respectively with said driven gear, the feeding driven gear retreated.
4. according to the arbitrary described lathe one transmission case of claim 1 to 3; It is characterized in that said unidirectional transmission is that a direction is followed driving shaft or driven axle and rotated unilateral bearing, one-way clutch or the ratchet that another direction is then freely rotated around driving shaft or driven axle synchronously.
5. lathe one transmission case according to claim 4 is characterized in that, the gear ratio of said feeding driving gear and said feeding driven gear less than retreat driving gear with retreat driven gear gear ratio.
6. lathe one transmission case according to claim 4; It is characterized in that; Said planetary gear comprises sun gear, at least two planetary gears and planet carrier; Said sun gear is connected with said power shaft fixing coaxial, and said at least two planetary gears all are rotationally connected with on the said planet carrier, and said output shaft is fixedly connected on the rotating shaft of said planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110052158XA CN102653063A (en) | 2011-03-04 | 2011-03-04 | Integrated transmission case for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110052158XA CN102653063A (en) | 2011-03-04 | 2011-03-04 | Integrated transmission case for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102653063A true CN102653063A (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110052158XA Pending CN102653063A (en) | 2011-03-04 | 2011-03-04 | Integrated transmission case for machine tool |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198143Y (en) * | 1994-06-18 | 1995-05-24 | 巫东和 | Motor driving high and low speed regulator |
| CN2284190Y (en) * | 1997-05-09 | 1998-06-17 | 洪晓耕 | Bicycle driving gear having reverse speed changed |
| CN2403613Y (en) * | 2000-01-03 | 2000-11-01 | 赵天云 | Varable-speed gear through motor front-back reversing to realize gear shifting |
| CN200997546Y (en) * | 2007-01-12 | 2007-12-26 | 苏州扬名机电有限公司 | Hub motor of double-speed electric automobile with positive and reversing rotation speed variation |
| CN101761612A (en) * | 2008-12-24 | 2010-06-30 | 株式会社日立Nico传动设备 | Steam-driven vertical double clutch type gearbox |
| CN201997979U (en) * | 2011-03-04 | 2011-10-05 | 张家港市九鼎机械有限公司 | Transmission case integrated on machine tool |
-
2011
- 2011-03-04 CN CN201110052158XA patent/CN102653063A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198143Y (en) * | 1994-06-18 | 1995-05-24 | 巫东和 | Motor driving high and low speed regulator |
| CN2284190Y (en) * | 1997-05-09 | 1998-06-17 | 洪晓耕 | Bicycle driving gear having reverse speed changed |
| CN2403613Y (en) * | 2000-01-03 | 2000-11-01 | 赵天云 | Varable-speed gear through motor front-back reversing to realize gear shifting |
| CN200997546Y (en) * | 2007-01-12 | 2007-12-26 | 苏州扬名机电有限公司 | Hub motor of double-speed electric automobile with positive and reversing rotation speed variation |
| CN101761612A (en) * | 2008-12-24 | 2010-06-30 | 株式会社日立Nico传动设备 | Steam-driven vertical double clutch type gearbox |
| CN201997979U (en) * | 2011-03-04 | 2011-10-05 | 张家港市九鼎机械有限公司 | Transmission case integrated on machine tool |
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Application publication date: 20120905 |