CN201997979U - Transmission case integrated on machine tool - Google Patents
Transmission case integrated on machine tool Download PDFInfo
- Publication number
- CN201997979U CN201997979U CN 201120055335 CN201120055335U CN201997979U CN 201997979 U CN201997979 U CN 201997979U CN 201120055335 CN201120055335 CN 201120055335 CN 201120055335 U CN201120055335 U CN 201120055335U CN 201997979 U CN201997979 U CN 201997979U
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- China
- Prior art keywords
- gear
- feeding
- driven
- transmission case
- retreat
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Abstract
The utility model discloses a transmission case integrated on a machine tool, which adopts two sets of unidirectional transmissions in opposite directions. The transmission case can realize fast withdrawing and slow advancing of the machine tool via a simple structure, and is simple in structure and low in manufacturing cost, fault rate and repair cost. Simultaneously, the transmissions and planet gear and speed reducing gear equipment are integrally mounted in the same transmission case, the problem that a mechanical transmission of the machine tool is single in function is resolved, the total transmission case can integrally meet requirements of output of different rotation speeds of mechanical positive and negative rotation, and compared with an existing system, the transmission case simplifies an electric control system, and the volume of the transmission case is reduced.
Description
Technical field
The utility model relates to machine tool field, particularly a kind of lathe one transmission case.
Background technology
Plant equipment has a lot of functions to realize by transmission of torque; when load end overload or stuck; provide the motor of power stall with causing and generate heat even burn; therefore the general relay overcurrent protective device that adopts in time disconnects motor power, to reach the purpose of protection motor; in actual applications; 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, 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 the 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.Therefore, need to increase more reliable, the controlled pressure that 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.
The utility model content
For addressing the above problem, it is a kind of simple in structure that the purpose of this utility model is to provide, and 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, the technical solution of the utility model is: the transmission of a kind of lathe one
Case comprises:
Transmission case body, planetary gear, retreat driving gear, feeding driving gear, driving shaft, retreat driven gear, feeding driven gear and driven axle, describedly retreat driving gear and the feeding driving gear is coaxial is connected on the driving shaft, described driving shaft and described planetary output shaft are in transmission connection, and the dynamical system of described planetary power shaft and described lathe is in transmission connection;
Describedly retreat driven gear and the feeding driven gear is coaxial is connected on the driven axle, the actuating unit of described driven axle and described lathe is in transmission connection;
Described retreat driving gear, feeding driving gear and describedly retreat driven gear, the feeding driven gear is corresponding respectively is in transmission connection;
Described driving gear and the feeding driving gear of retreating 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 described two non-return devices are opposite with the servo-actuated direction of driving shaft; Or,
Described driven gear and the feeding driven gear of retreating 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 described two non-return devices are opposite with the servo-actuated direction of driven axle;
Described 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 described transmission case body.
Preferably, described retreat driving gear, feeding driving gear and describedly retreat driven gear, the corresponding respectively coupling of feeding driven gear is connected with a joggle.
Preferably, comprise also retreating reduction box and feeding reduction box that the described driving gear, feeding driving gear of retreating retreats reduction box and the corresponding coupling of feeding reduction box is connected with a joggle by described respectively with described driven gear, the feeding driven gear of retreating.
Preferably, described 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 described feeding driving gear and described feeding driven gear less than retreat driving gear and retreat driven gear gear ratio.
Preferably, described planetary gear comprises sun gear, at least two planetary gears and planet carrier, described sun gear is connected with described power shaft fixing coaxial, and described at least two planetary gears all are rotationally connected with on the described planet carrier, and described output shaft is fixedly connected on the rotating shaft of described planet carrier.
Adopt the beneficial effect of the technical program to be: adopt opposite unidirectional transmission of two cover directions and planetary gear combination, can realize retreating fast of lathe and feeding at a slow speed by 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 schematic diagram of a kind of lathe one of the utility model transmission case.
Numeral and the represented corresponding component title of letter among the figure:
1. dynamical system 2. retreats driving gear 3. driving shafts 4. feeding driving gears 5. and retreats 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 drawings and specific embodiments the utility model is described in further detail.
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, describedly retreat driving gear 2 and feeding driving gear 4 coaxial being connected on the driving shaft 3, described driving shaft 3 is in transmission connection with described planetary output shaft, and the dynamical system 1 of described planetary power shaft and described lathe is in transmission connection; Described planetary gear comprises sun gear 12, two planetary gears 11 and planet carriers 13, described sun gear 12 is connected with described power shaft fixing coaxial, described two planetary gears 11 all are rotationally connected with on the described planet carrier 13, and described output shaft is fixedly connected on the rotating shaft of described planet carrier.Described 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 described transmission case body 9.
Describedly retreat driven gear 5 and feeding driven gear 7 coaxial being connected on the driven axle 6, described driven axle 6 is in transmission connection with the actuating unit 8 of described lathe;
Described retreat driving gear 2, feeding driving gear 4 and describedly retreat driven gear 5, feeding driven gear 7 is corresponding respectively is in transmission connection;
Described driving gear 2 and the feeding driving gear 4 of retreating 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 described two non-return devices are opposite with the servo-actuated direction of driving shaft 3; Described retreat driving gear 2, feeding driving gear 4 and describedly retreat driven gear 5, the corresponding respectively coupling of feeding driven gear 7 is connected with a joggle; Described 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.Fixedly connected with described driven axle 6 with feeding driven gear 7 and retreat driven gear 5.
Its operation principle is, when retreating, start dynamical system 1, driving sun gear 12 rotates, sun gear 12 drives planetary gear 11 and rotates around sun gear 12, planetary gear 11 drives planet carrier 13 and rotates, planet carrier 13 drives driving shaft 3 and rotates, driving shaft 3 drives and retreats driving gear 2 rotations, driving gear 2 drives and retreats driven gear 5 rotations, retreats driving gear 5 and drives driven axles 6 rotations, and driven axle 6 drives lathe actuating units 8 and retreats fast, 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, this moment, feeding driving gear 4 and 7 work of feeding driven gear drove 8 feedings at a slow speed of lathe actuating unit, because the gear ratio of feeding driving gear 4 and described feeding driven gear 7 less than retreat driving gear 2 and retreat driven gear 5 gear ratio, therefore realized that astern speed is greater than feed speed.Present embodiment has realized realizing the integrated requirement of finishing the output of mechanical type rotating different rotating speeds in an integral type transmission case.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.
All the other are identical with embodiment 1, difference is, described driven gear and the feeding driven gear of retreating 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 described two non-return devices are opposite with the servo-actuated direction of driven axle.Fixedly connected with described 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 and retreats reduction box and feeding reduction box, and the described driving gear 2, feeding driving gear 4 of retreating retreats reduction box and the corresponding coupling of feeding reduction box is connected with a joggle by described respectively with described driven gear 5, the feeding driven gear 7 of retreating; Can realize velocity ratio and the moment transmission more optimized like this.
In the foregoing description, described 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., determines as required.
Adopt the beneficial effect of the technical program to be: adopt the opposite unidirectional transmission of two cover directions, can realize retreating fast of lathe and feeding at a slow speed by 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 utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
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, describedly retreat driving gear and the feeding driving gear is coaxial is connected on the driving shaft, described driving shaft and described planetary output shaft are in transmission connection, and the dynamical system of described planetary power shaft and described lathe is in transmission connection;
Describedly retreat driven gear and the feeding driven gear is coaxial is connected on the driven axle, the actuating unit of described driven axle and described lathe is in transmission connection;
Described retreat driving gear, feeding driving gear and describedly retreat driven gear, the feeding driven gear is corresponding respectively is in transmission connection;
Described driving gear and the feeding driving gear of retreating 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 described two non-return devices are opposite with the servo-actuated direction of driving shaft; Or,
Described driven gear and the feeding driven gear of retreating 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 described two non-return devices are opposite with the servo-actuated direction of driven axle;
Described 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 described transmission case body.
2. lathe one transmission case according to claim 1 is characterized in that, described retreat driving gear, feeding driving gear and describedly 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 retreating reduction box and feeding reduction box that the described driving gear, feeding driving gear of retreating retreats reduction box and the corresponding coupling of feeding reduction box is connected with a joggle by described respectively with described driven gear, the feeding driven gear of retreating.
4. according to the arbitrary described lathe one transmission case of claim 1 to 3, it is characterized in that described 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 described feeding driving gear and described feeding driven gear less than retreat driving gear and retreat driven gear gear ratio.
6. lathe one transmission case according to claim 4, it is characterized in that, described planetary gear comprises sun gear, at least two planetary gears and planet carrier, described sun gear is connected with described power shaft fixing coaxial, described at least two planetary gears all are rotationally connected with on the described planet carrier, and described output shaft is fixedly connected on the rotating shaft of described planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120055335 CN201997979U (en) | 2011-03-04 | 2011-03-04 | Transmission case integrated on machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120055335 CN201997979U (en) | 2011-03-04 | 2011-03-04 | Transmission case integrated on machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201997979U true CN201997979U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120055335 Expired - Fee Related CN201997979U (en) | 2011-03-04 | 2011-03-04 | Transmission case integrated on machine tool |
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| Country | Link |
|---|---|
| CN (1) | CN201997979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653063A (en) * | 2011-03-04 | 2012-09-05 | 张家港市九鼎机械有限公司 | Integrated transmission case for machine tool |
-
2011
- 2011-03-04 CN CN 201120055335 patent/CN201997979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653063A (en) * | 2011-03-04 | 2012-09-05 | 张家港市九鼎机械有限公司 | Integrated transmission case for machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20140304 |