CN208764254U - A kind of frictional drive planetary reduction gear type numerical control axis - Google Patents
A kind of frictional drive planetary reduction gear type numerical control axis Download PDFInfo
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- CN208764254U CN208764254U CN201820851959.XU CN201820851959U CN208764254U CN 208764254 U CN208764254 U CN 208764254U CN 201820851959 U CN201820851959 U CN 201820851959U CN 208764254 U CN208764254 U CN 208764254U
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- shaft
- planetary gear
- numerical control
- planetary
- servo motor
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Abstract
The utility model discloses a kind of frictional drive planetary reduction gear type numerical control axis, including servo motor, the servo motor is connect by servo motor mounting flange with friction-type planetary reducer, the friction-type planetary reducer is connected with linear axis slide plate by connection frame, and the linear axis slide plate is equipped with load mounting surface；The friction-type planetary reducer includes the decelerator body, sun wheel shaft, the first planetary gear, the second planetary gear, planet carrier, big wheel rim composition, and first planetary gear, second planetary gear are fixedly mounted on the planet carrier by planetary gear mounting base；The sun wheel shaft, first planetary gear, second planetary gear and the big wheel rim are cylindrical steel wheel construction；The output shaft being connected with the sun wheel shaft is equipped in the linear axis slide plate.The utility model uses friction-type planetary reducer, both can be used as numerical control scale-division axis and does precision indexing or can be used as workpiece rotary shaft and continuously runs for a long time, and a machine two is used.
Description
Technical field
The utility model relates to mechanical engineering field more particularly to a kind of frictional drive planetary reduction gear type numerical control axis.
Background technique
For the development trend for adapting to motor miniature high-speed, the requirement to retarder is also correspondingly improved.It is common to slow down
Machine is mostly planet-gear speed reducer or turbine worm reducer.Open (bulletin) number discloses for the Chinese patent of CN207213051U
A kind of planet-gear speed reducer including shell, is respectively set the input shaft at shell both ends and output shaft and is arranged in shell
Interior planetary gear reducing mechanism, the planetary gear reducing mechanism include the first sun gear, first planet carrier, the first planet
Wheel, the first planet axis, the first internal gear, solar shaft, secondary sun wheel, the second planet carrier, the second planetary gear, the second planet axis
And secondary annulus.Technical solutions of the utility model, with technical effect simple and compact for structure, stablizing output.But it should
Patent is due to engaged transmission between the gear and gear of use, and indexing accuracy is poor, and noise is big, and cannot be used as numerical control scale-division axis work
Precision indexing；Although turbine worm reducer can be cannot function as workpiece rotary shaft, be continuously run for a long time with precision indexing.
Therefore, the new deceleration type numerical control axis of one kind is needed to solve above-mentioned technical problem.
Utility model content
In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a kind of frictional drive planetary reduction gear types
Numerical control axis；The utility model is intended to design the transmission mechanism that a kind of driving torque is steady, continuous, with small vibration, noise is low, both can be with
It can be also used as workpiece rotary shaft for precision indexing, continuously run for a long time.
The utility model is achieved by the following technical programs.
A kind of frictional drive planetary reduction gear type numerical control axis, including servo motor, the servo motor pass through servo motor
Mounting flange is connect with friction-type planetary reducer, and the friction-type planetary reducer is connected with linear axis by connection frame and slides
Plate, the linear axis slide plate are equipped with load mounting surface；The friction-type planetary reducer includes the decelerator body, sun wheel shaft,
One planetary gear, the second planetary gear, planet carrier, big wheel rim composition, first planetary gear, second planetary gear pass through planetary gear
Mounting base is fixedly mounted on the planet carrier；The sun wheel shaft, first planetary gear, second planetary gear and described
Big wheel rim is cylindrical steel wheel construction；The output shaft being connected with the sun wheel shaft is equipped in the linear axis slide plate.
Preferably, the motor shaft of the servo motor is connect by ripple shaft coupling with the sun wheel shaft, the servo
Motor and the servo motor mounting flange contact surface are equipped with rotating seal ring；The servo motor mounting flange is solid by bolt
Dingan County is on the decelerator body；The sun wheel shaft is fixed in the planetary gear mounting base by axle sleeve, the sun
Rotating seal ring is respectively equipped between wheel shaft and the axle sleeve and between the decelerator body and the axle sleeve；The sun wheel shaft
It is equipped with thrust cylindrical bearing race, the thrust cylindrical bearing race is equipped with the ball thrust bearing；The sun wheel shaft is logical
It crosses first bearing and is set with sleeve, the sleeve is fixedly mounted in the planetary gear mounting base.
Preferably, first planetary gear includes cylindrical shaft, and the middle part of the cylindrical shaft is equipped with steel wheel, and the cylindrical shaft is logical
Ball thrust bearing is crossed to be fixed in the planetary gear mounting base.
Preferably, second planetary gear includes hollow cylindrical shaft, and the hollow cylindrical shaft both ends are respectively equipped with hollow steel
Wheel, the hollow cylindrical shaft, the hollow steel wheel are fixedly mounted on planet wheel spindle by second bearing, the planet wheel spindle
Both ends are fixed in the planetary gear mounting base by the needle roller thrust plane bearing.
Preferably, the sun wheel shaft is equipped with the first periphery matched with the steel wheel, sets on the cylindrical shaft
There is the second periphery matched with the hollow steel wheel.
Preferably, the big wheel rim includes outer circle and inner circle, and the outer circle is fixedly mounted on the decelerator body；It is described
Hollow cylindrical shaft is equipped with the third periphery matched with the inner circle.
Preferably, the planetary gear mounting base is fixedly mounted on the planet carrier.
Preferably, the output shaft is equipped with the angular encoder for measurement angle.Angular encoder detects output shaft
The angle of actual rotation and by data sending control system.
Preferably, the output shaft is equipped with expansion sleeve.Main purpose is, the output shaft and the planet carrier are consolidated
Fixed connection, the expansion sleeve are able to achieve the output shaft and the planet carrier keyless joint.
When utility model works, starting servo motor drives sun wheel shaft rotation, and sun wheel shaft rotation drives output shaft
Rotation, load mounting surface are located on the output end face of output shaft, load mounting surface can instrument be also used as installing workpiece
Numerical control scale-division axis；Sun wheel shaft cooperating therewith first planetary gear and second planet matched with the first planetary gear when rotating
Wheel rotation is passed since sun wheel shaft, planetary gear, big wheel rim use cylindrical steel wheel construction using the friction between cylinder steel wheel
Power is passed, realizes the function of speed reducer.
Compared with prior art, the utility model has the beneficial effects that: the friction-type planet that the utility model uses subtracts
In fast machine: sun wheel shaft, planetary gear, big wheel rim use cylindrical steel wheel construction；The transmitting of power, by the friction between cylinder steel wheel
Have the advantages that high transmission accuracy, driving torque are steady, continuous, with small vibration, noise is low to transmit, both can be used as numerical control scale-division
Axis does precision indexing also and can be used as workpiece rotary shaft to be continuously run for a long time, and a machine two is used.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art do simple introduction, it should be apparent that, it is described below
In attached drawing be some embodiments of the utility model, for those of ordinary skill in the art, do not paying creative labor
Under the premise of dynamic, it is also possible to obtain other drawings based on these drawings.
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is D-D view in Fig. 1.
Fig. 3 is E-E view in Fig. 2.
In figure: 1, servo motor；101, motor shaft；2, servo motor mounting flange；3, friction-type planetary reducer；301,
The decelerator body；302, sun wheel shaft；303, the first planetary gear；3031, cylindrical shaft；3032, steel wheel；304, the second planetary gear；
3041, hollow cylindrical shaft；3042, hollow steel wheel；305, planet carrier；306, big wheel rim；3061, outer circle；3062, inner circle；307,
Planetary gear mounting base；308, axle sleeve；309, thrust cylindrical bearing race；310, sleeve；311, planet wheel spindle；31, the first periphery；
32, the second periphery；33, third periphery；4, connection frame；5, linear axis slide plate；6, mounting surface is loaded；7, output shaft；8, wave
Line shaft coupling；9, rotating seal ring；10, bolt；11, ball thrust bearing；12, first bearing；13, second bearing；14, thrust
Needle roller plane bearing；15, angular encoder；16, expansion sleeve.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the utility model, it is clear that
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is practical new based on this
The embodiment of type, those of ordinary skill in the art's obtained all other implementation without making creative work
Example, belongs to the range that the utility model is protected.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1-3, a kind of frictional drive planetary reduction gear type numerical control axis, including servo motor 1, the servo motor
1 is connect by servo motor mounting flange 2 with friction-type planetary reducer 3, and the friction-type planetary reducer 3 passes through connection frame
4 are connected with linear axis slide plate 5, and the linear axis slide plate 5 is equipped with load mounting surface 6；The friction-type planetary reducer 3 includes subtracting
Fast casing 301, sun wheel shaft 302, the first planetary gear 303, the second planetary gear 304, planet carrier 305, big wheel rim 306 form, institute
It states the first planetary gear 303, second planetary gear 304 and the planet carrier 305 is fixedly mounted on by planetary gear mounting base 307
On；The sun wheel shaft 302, first planetary gear 303, second planetary gear 304 and the big wheel rim 306 are cylinder
Steel wheel structure；The output shaft 7 being connected with the sun wheel shaft 302 is equipped in the linear axis slide plate 5.
The motor shaft 101 of the servo motor 1 is connect by ripple shaft coupling 8 with the sun wheel shaft 302, the servo
Motor 1 and 2 contact surface of servo motor mounting flange are equipped with rotating seal ring 9；The servo motor mounting flange 2 passes through spiral shell
Bolt 10 is fixedly mounted on the decelerator body 301；The sun wheel shaft 302 is fixed on the planetary gear peace by axle sleeve 308
It fills on seat 307, between the sun wheel shaft 302 and the axle sleeve 308 and between the decelerator body 301 and the axle sleeve 308
It is respectively equipped with rotating seal ring 9；The sun wheel shaft 302 is equipped with thrust cylindrical bearing race 309, the thrust cylindrical bearing race
309 are equipped with the ball thrust bearing 11；The sun wheel shaft 302 is set with sleeve 310, the set by first bearing 12
Cylinder 310 is fixedly mounted in the planetary gear mounting base 307.
First planetary gear 303 includes cylindrical shaft 3031, and the middle part of the cylindrical shaft 3031 is equipped with steel wheel 3032, described
Cylindrical shaft 3031 is fixed in the planetary gear mounting base 307 by ball thrust bearing 11.
Second planetary gear 304 includes hollow cylindrical shaft 3041, and 3041 both ends of hollow cylindrical shaft are respectively equipped with sky
Heart steel wheel 3042, the hollow cylindrical shaft 3041, the hollow steel wheel 3042 are fixedly mounted on planetary gear by second bearing 13
On axis 311, the both ends of the planet wheel spindle 311 are fixed on the planetary gear mounting base by the needle roller thrust plane bearing 14
On 307.
The sun wheel shaft 302 is equipped with the first periphery 31 matched with the steel wheel 3032, the cylindrical shaft
3031 are equipped with the second periphery 32 matched with the hollow steel wheel 3042.
The big wheel rim 306 includes outer circle 3061 and inner circle 3062, and the outer circle 3061 is fixedly mounted on the speed reducer
On shell 301；The hollow cylindrical shaft 3041 is equipped with the third periphery 33 matched with the inner circle 3062.
The planetary gear mounting base 307 is fixedly mounted on the planet carrier 305.
The output shaft 7 is equipped with the angular encoder 15 for measurement angle.
The output shaft 7 is equipped with expansion sleeve 16.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
Technical solution.
Claims (9)
1. a kind of frictional drive planetary reduction gear type numerical control axis, which is characterized in that including servo motor (1), the servo motor
(1) it is connect by servo motor mounting flange (2) with friction-type planetary reducer (3), the friction-type planetary reducer (3) is logical
It crosses connection frame (4) to be connected with linear axis slide plate (5), the linear axis slide plate (5) is equipped with load mounting surface (6)；The friction-type
Planetary reducer (3) include the decelerator body (301), sun wheel shaft (302), the first planetary gear (303), the second planetary gear (304),
Planet carrier (305), big wheel rim (306) composition, first planetary gear (303), second planetary gear (304) pass through planetary gear
Mounting base (307) is fixedly mounted on the planet carrier (305)；The sun wheel shaft (302), first planetary gear (303),
Second planetary gear (304) and the big wheel rim (306) are cylindrical steel wheel construction；It is equipped in the linear axis slide plate (5)
The output shaft (7) being connected with the sun wheel shaft (302).
2. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 1, which is characterized in that the servo motor
(1) motor shaft (101) is connect by ripple shaft coupling (8) with the sun wheel shaft (302), the servo motor (1) and institute
Servo motor mounting flange (2) contact surface is stated equipped with rotating seal ring (9)；The servo motor mounting flange (2) passes through bolt
(10) it is fixedly mounted on the decelerator body (301)；The sun wheel shaft (302) is fixed on the row by axle sleeve (308)
In star-wheel mounting base (307), between the sun wheel shaft (302) and the axle sleeve (308) and the decelerator body (301) and institute
It states and is respectively equipped with rotating seal ring (9) between axle sleeve (308)；The sun wheel shaft (302) is equipped with thrust cylindrical bearing race
(309), the thrust cylindrical bearing race (309) is equipped with ball thrust bearing (11)；The sun wheel shaft (302) passes through first
Bearing (12) is set with sleeve (310), and the sleeve (310) is fixedly mounted on the planetary gear mounting base (307).
3. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 1, which is characterized in that first planet
Taking turns (303) includes cylindrical shaft (3031), and the middle part of the cylindrical shaft (3031) is equipped with steel wheel (3032), the cylindrical shaft (3031)
It is fixed on the planetary gear mounting base (307) by ball thrust bearing (11).
4. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 3, which is characterized in that second planet
Taking turns (304) includes hollow cylindrical shaft (3041), and hollow cylindrical shaft (3041) both ends are respectively equipped with hollow steel wheel (3042), institute
It states hollow cylindrical shaft (3041), the hollow steel wheel (3042) and is fixedly mounted on planet wheel spindle (311) by second bearing (13)
On, the both ends of the planet wheel spindle (311) are fixed on the planetary gear mounting base (307) by needle roller thrust plane bearing (14)
On.
5. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 4, which is characterized in that the sun wheel shaft
(302) it is equipped with the first periphery (31) matched with the steel wheel (3032), the cylindrical shaft (3031) is equipped with and institute
State the second periphery (32) that hollow steel wheel (3042) matches.
6. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 4, which is characterized in that the big wheel rim
It (306) include outer circle (3061) and inner circle (3062), the outer circle (3061) is fixedly mounted on the decelerator body (301)；
The hollow cylindrical shaft (3041) is equipped with the third periphery (33) matched with the inner circle (3062).
7. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 4, which is characterized in that the planetary gear peace
Dress seat (307) is fixedly mounted on the planet carrier (305).
8. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 2, which is characterized in that the output shaft
(7) it is equipped with the angular encoder (15) for measurement angle.
9. a kind of frictional drive planetary reduction gear type numerical control axis according to claim 8, which is characterized in that the output shaft
(7) expansion sleeve (16) are equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851959.XU CN208764254U (en) | 2018-06-04 | 2018-06-04 | A kind of frictional drive planetary reduction gear type numerical control axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851959.XU CN208764254U (en) | 2018-06-04 | 2018-06-04 | A kind of frictional drive planetary reduction gear type numerical control axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764254U true CN208764254U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820851959.XU Expired - Fee Related CN208764254U (en) | 2018-06-04 | 2018-06-04 | A kind of frictional drive planetary reduction gear type numerical control axis |
Country Status (1)
| Country | Link |
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| CN (1) | CN208764254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075339A (en) * | 2019-12-04 | 2020-04-28 | 佰阔捷自动化系统(上海)有限公司 | Planetary reducer for door rolling machine |
-
2018
- 2018-06-04 CN CN201820851959.XU patent/CN208764254U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075339A (en) * | 2019-12-04 | 2020-04-28 | 佰阔捷自动化系统(上海)有限公司 | Planetary reducer for door rolling machine |
| CN111075339B (en) * | 2019-12-04 | 2021-11-02 | 佰阔捷自动化系统(上海)有限公司 | Planetary reducer for door rolling machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |