CN103982599A - Speed reduction apparatus - Google Patents

Speed reduction apparatus Download PDF

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Publication number
CN103982599A
CN103982599A CN201310539767.7A CN201310539767A CN103982599A CN 103982599 A CN103982599 A CN 103982599A CN 201310539767 A CN201310539767 A CN 201310539767A CN 103982599 A CN103982599 A CN 103982599A
Authority
CN
China
Prior art keywords
speed reducer
motor
connector
lip part
pedestal
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.)
Granted
Application number
CN201310539767.7A
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Chinese (zh)
Other versions
CN103982599B (en
Inventor
光藤荣
西部慎一
西谷祐一
石川哲三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Heavy Industries Ltd
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Sumitomo Heavy Industries Ltd
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Publication date
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Publication of CN103982599A publication Critical patent/CN103982599A/en
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Publication of CN103982599B publication Critical patent/CN103982599B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/033—Series gearboxes, e.g. gearboxes based on the same design being available in different sizes or gearboxes using a combination of several standardised units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F16H2001/325—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising a carrier with pins guiding at least one orbital gear with circular holes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention provided a speed reduction apparatus that can be installed on various parts at lower cost. The speed reduction apparatus (10) comprises a speed reducer (11), a motor (12) and a motor adapter (14) arranged between the speed reducer (11) and the motor (12). The speed reducer (11) includes a flange portion (50) of the speed reducer on an outer periphery of a housing of the speed reducer (11) and the motor adapter (14) is fixed to the flange portion (50) of the speed reducer. In addition, the motor adapter comprises an adapter flange portion (52) for the installation of the parts, and the adapter flange portion (52) extends closer radially outside than the flange portion (50) of the speed reducer.

Description

Speed reducer
Technical field
The application advocates the preference of No. 2013-024923rd, Japanese patent application based on February 12nd, 2013 application.The full content of its application is by reference to being applied in this specification.
The present invention relates to a kind of speed reducer.
Background technique
In patent documentation 1, disclose the speed reducer that assembling is used on industrial robot.This speed reducer possesses speed reducer, motor and is configured in the motor connector between this speed reducer and motor.
Speed reducer is installed on the arm (object parts) of industrial robot by the lip part of the periphery formation of the shell at speed reducer, by the rotation of motor being slowed down and exporting, the arm of next joint is rotated relatively with respect to the arm that this speed reducer is installed.
Patent documentation 1: TOHKEMY 2006-263878 communique
Certainly, speed reducer, except the arm of industrial robot, is also installed on object parts miscellaneous and uses.When specific speed reducer being installed on to the different object parts of fit dimension and using, variform new speed reducer to the lip part of shell periphery in the past, the speed reducer that possesses the shell of the lip part with the shape that can be installed on object parts designs separately/makes and tackles.
Yet in other words, which just needs design/manufacture shell while meaning each replacing object parts, shell itself is exactly large-scale and expensive parts, therefore becomes the main cause that cost increases.
Summary of the invention
The present invention completes in order to eliminate this problem in the past, its problem be to provide a kind of can be with the more low-cost speed reducer that is installed on various object parts.
The present invention solves above-mentioned problem by being made as following structure, it is a kind of speed reducer, it possesses speed reducer, motor and is configured in the motor connector between described speed reducer and motor, wherein, described speed reducer possesses speed reducer lip part in the periphery of the shell of this speed reducer, described motor connector is fixed in this speed reducer lip part, described motor connection device is for object parts connector for fitting lip part, and this connector lip part is more extending by radial outside than described speed reducer lip part.
In the present invention, for speed reducer being installed on to object parts, application is configured in the motor connector between speed reducer and motor.Therefore, motor connection device involved in the present invention is installed the connector lip part of use for object parts.This connector lip part more extends by radial outside at ratio speed reducer lip part.
Thus, without the shell that redesigns/manufacture expensive speed reducer, and also without increasing parts number of packages, and only by changing motor connector, just speed reducer can be installed on to the object parts of various sizes or shape.Its result, can reduce in order to ensure the cost being connected with object parts, can reduce the cost of whole speed reducer.
Invention effect
According to the present invention, can obtain the speed reducer that is installed on various object parts with more low-cost.
Accompanying drawing explanation
Fig. 1 is the whole sectional view of the related speed reducer of an example of embodiments of the present invention.
Fig. 2 is the speed reducer of speed reducer and the amplification view of motor connector part of Fig. 1.
In figure: 10-speed reducer, 11-speed reducer, 12-motor, 14-motor connector, 16-pedestal (object parts), 24-external gear, 26-internal gear, 28-shell, 50-speed reducer lip part, 52-connector lip part.
Embodiment
Below, with reference to the accompanying drawings an example of embodiments of the present invention is elaborated.
Fig. 1 is the whole sectional view of the related speed reducer of an example of embodiments of the present invention, and Fig. 2 is the speed reducer of speed reducer and the amplification view of motor connector part of Fig. 1.
This speed reducer 10 possess speed reducer 11, motor 12 and be configured in speed reducer 11 and motor 12 between motor connector 14, the state with integral installation in pedestal (object parts) 16 is used.
The input shaft 18 of speed reducer 11 has hollow part 18A, and the motor drive shaft 15 of motor 12 is inserted into this hollow part 18A.Motor drive shaft 15 is bonded with the clamping force of input shaft 18 by friction grip 19.On input shaft 18, be formed with 3 eccentric bodies 20.Periphery at eccentric body 20 is provided with 3 external gears 24 via roller 22 in the mode swinging freely.Each external gear 24 and the interior engagement of internal gear 26.
Internal gear 26 comprises: with the housing main body 28A of shell 28() integrated internal gear main body 26A and be supported on this internal gear main body 26A and form the columned pin 26B of the internal tooth of this internal gear 26 in mode freely of rotation.Therefore, at shell 28(housing main body 28A) upper, for keep the cotter way 26C of this pin 26B to be only equipped with vertically the quantity (quantity of pin 26B) of internal tooth in rotation mode freely.The interior number of teeth of internal gear 26 is only than the outer number of teeth of external gear 24 slightly more (in these examples only many 1).
On external gear 24, be formed with penetration hole 24A.In fact pin parts 30(, is embedded in the roller member of pin parts 30 outward) with the gap of 2 times of the offset of eccentric body 20, run through this penetration hole 24A.Pin parts 30 are integrated with the 1st wheel carrier 32 of axial motor opposition side that is configured in external gear 24.The 1st wheel carrier 32 links via these pin parts 30 and by bolt 31 and the 2nd wheel carrier 34 that is configured in the axial motor side of external gear 24.The 1st wheel carrier the 32, the 2nd wheel carrier 34 is supported on the housing main body 28A of shell 28(in rotation mode freely by angular contact ball bearing 36,38), and in rotation mode freely, support described input shaft 18 by ball bearing 40,41.
In this mode of execution, the 1st wheel carrier 32 of motor opposition side has the function of outlet side cover of the shell 28 of speed reducer 11 concurrently, and the 1st wheel carrier 32 forms the output block of speed reducers 11.On the 1st wheel carrier 32, by screw 32A, linked and to be had the rotating disks such as hopper (by kinetoplast) 42, the rotation by the 1st wheel carrier 32 is driven in rotation.
At this, the structure that relevant this speed reducer 10 is installed to pedestal (object parts) 16 is elaborated.
Speed reducer 11 possesses speed reducer lip part 50 in the periphery of shell 28.On speed reducer lip part 50, be formed with for inserting the mounting hole 50A of logical bolt 54.
From Fig. 1, Fig. 2 clearly, the speed reducer lip part 50 of present embodiment does not meet with the fit dimension of pedestal 16, cannot speed reducer 11 be directly installed on to pedestal 16 with the mounting hole 50A of this speed reducer lip part 50.In the past, in this case, manufacture remodifies into larger speed reducer lip part by the speed reducer lip part of shell and deals with, but in present embodiment, reply by this way, is not configured in by (originally) structure that the motor connector 14 between this speed reducer 11 and motor 12 is applied flexibly and adopt.
That is, in this mode of execution, between speed reducer 11 and motor 12, dispose motor connector 14, thereby link speed reducer 11 and motor 12.
Particularly, in order to carry out this link, on the end of the axial deceleration pusher side of motor connector 14, form snap close (in low) 14C of portion, this latch part engages with the latch part 28D of the shell 28 of speed reducer 11.Motor connector 14 links with speed reducer 11 via the card merga pass bolt 54 of this latch part 14C, 28D.In addition, bolt 54 is inserted into the mounting hole 50A of speed reducer lip part 50 from motor opposition side.
And week forms latch part 14B in the end of the axial motor side of motor connector 14, this latch part engages with the latch part 12B of motor 12.Motor connector 14 is via this latch part 14B, 12B the bolt (omitting diagram: only describe center line C1) screwing togather by the screw 14T with forming on motor connector 14 and motor 12 links.
In addition, between speed reducer 11 and latch part 28D, the 14C of motor connector 14, dispose O type ring 56, the oiling agent in this speed reducer 11 is sealed.That is, the related motor connector 14 of present embodiment has the original function of motor connector 14 that links speed reducer 11 and motor 12, and also has the function of input side cover of the shell 28 of speed reducer 11 concurrently.
At this, the related motor connector 14 of present embodiment also possesses in the end of the axial motor opposition side of this motor connector 14 for being installed on (object parts are installed use) connector lip part 52 of pedestal (object parts) 16.Connector lip part 52 extends to ratio speed reducer lip part 50 more by radial outside.And this connector lip part 52 is formed at motor connector 14 by the radial outside of bolt 54 fixing part on speed reducer lip part 50.That is, motor connector 14 has connector lip part 52 at the radial outside that is fixed on the part of speed reducer lip part 50.
Further describe, the external diameter d1 of connector lip part 52 is greater than the external diameter d2(d1 >=d2 of speed reducer lip part 50).And, on connector lip part 52, be formed with for being arranged on the mounting hole 52A on pedestal 16, in this mode of execution, be inserted through the bolt 55(center line C2 in the mounting hole 52A forming at this connector lip part 52) path (from the diameter of the nearest part of the axle center O1 of the input shaft 18) d3 of head 55A be also greater than the external diameter d2(d3 >=d2 of speed reducer lip part 50).That is, the related connector lip part 52 of this mode of execution can be inserted through from motor opposition side the state of this mounting hole 52A at bolt 55, at ratio speed reducer lip part 50, more by radial outside, extends.
In addition, motor connector 14 is more possessing by axial motor side the latch part 14A engaging with the hatch lock buckle portion 16A of pedestal 16 than this connector lip part 52.Motor connector 14 can link via the card merga pass bolt 55 of this latch part 16A, 14A and the surperficial 16F of pedestal 16.
The diameter d 5 of (with respect to the hatch lock buckle portion 16A's of pedestal 16) latch part 14A of motor connector 14 is greater than the external diameter d6 of motor 12.In other words, refer to that whole motor 12 can more leaned on speed reducer opposition side and locate than this hatch lock buckle portion 16A by the hatch lock buckle portion 16A of pedestal 16.
By these magnitude relationship, in the related speed reducer 10 of this mode of execution, motor connector 14 and pedestal 16 make speed reducer 10 from motor 12 sides by the state of hatch lock buckle portion 16A, by inserting logical bolt 55 from motor opposition side and being fixed each other.
Then, the effect of this speed reducer 10 is described.
First, the effect of the drive system of speed reducer 11 is briefly described.
If the motor drive shaft 15 of motor 12 is rotated, input shaft 18 one that are linked to this motor drive shaft 15 by friction grip 19 are rotated.If eccentric body 20 rotates by the rotation of input shaft 18, the external gear 24 being assembled in the periphery of this eccentric body 20 via roller 22 swings.External gear 24 and the interior engagement of internal gear 26, therefore produce by this swing the phenomenon departing from successively with the engaging position of internal gear 26.
Thus, the every rotation of input shaft 18 1 time, the phase place of external gear 24 is only offset number of teeth residual quantity (1 tooth amount) and carries out rotation with respect to the internal gear 26 in stationary state.This rotation composition is delivered to the pin parts 30 that run through this external gear 24, and the 1st wheel carrier the 32, the 2nd wheel carrier 34 of rest pin parts 30 is rotated.Rotation by the 1st wheel carrier 32, the 2nd wheel carrier 34 drives the rotating disks such as hopper 42 that are linked to the 1st wheel carrier 32 by screw 32A.In addition, the swing composition of external gear 24 is absorbed by the gap between pin parts 30 and penetration hole 24A.
At this, in the related speed reducer 10 of present embodiment, speed reducer 11 and motor connector 14 are bonded via latch part 28D, 14C and by the bolt 54 being inserted through from motor opposition side the mounting hole 50A of speed reducer lip part 50 of this speed reducer 11.And motor 12 and motor connector 14 are bonded by the not shown bolt (center line C1) screwing togather with screw 14T.In addition, about this speed reducer 11 and motor 12, with respect to the link of motor connector 14, which first carries out and all can.
And, make whole motor 12 and roughly the hatch lock buckle portion 16A of whole motor connector 14 by pedestal 16 make the connector lip part 52 of motor connector 14 and the surperficial 16F butt of pedestal 16, by be inserted through the bolt 55 of mounting hole 52A from motor opposition side, motor connector 14 and pedestal 16 are fixed to one another, thus, can speed reducer 10 be fixed on to pedestal 16 reliably via motor connector 14.
According to the structure of present embodiment, although the shape of the speed reducer lip part 50 of the speed reducer 11 of speed reducer 10 does not meet the fit dimension of pedestal (object parts) 16, also can only by being carried out to suitable design/manufacture, motor connector 14 simply tackle.So this mode is in the past compared with for example " making the speed reducer lip part (50) of the shell (28) of speed reducer (11) be applicable to object parts (16) ", can realize cost degradation.
Especially, in present embodiment, the shell 28 of speed reducer 11 is configured to the internal gear main body 26A of the internal gear 26 that doubles as reducing gear, and in the inner circumferential side of this shell 28, is formed with the cotter way 26C for pin 26B is kept in rotation mode freely.Therefore, the manufacture cost of shell 28 is especially high.Thus, can directly divert the speed reducer 11 of single (identical) structure with respect to various object parts, this effect reducing costs is especially high.
In addition, when the shape of speed reducer lip part and the fit dimension of object parts do not meet, can be with reference to (having the function of bridge joint) connector is arranged to the mode between this speed reducer lip part and object parts.But, which can be linked to object parts after only having the connector of the parts different from speed reducer lip part being linked by bolt etc. and this speed reducer lip part, therefore must cause parts number of packages, assembly working amount to increase, and, also more easily produce the problems such as bolt is lax.On the contrary, in present embodiment, originally the motor connector 14 existing is applied flexibly, therefore parts number of packages and assembly working amount can not increase, and, motor connector 14 can be directly fixed on to pedestal 16, so the problem such as bolt is lax (from comparing as the situation of the connector of different parts in clamping between speed reducer lip part and object parts) is also difficult for generation.
In addition, in present embodiment, be made as motor connector 14 and more by motor 12 sides, possessing the latch part 14A with pedestal 16 snap closes than connector lip part 52, therefore can easily carry out the link with pedestal 16.
And, the diameter d 5 of (with respect to pedestal 16) the latch part 14A forming on this motor connector 14 forms larger than the external diameter d6 of motor 12, therefore can make whole motor 12 former states more by speed reducer opposition side, locate than this hatch lock buckle portion 16A by the hatch lock buckle portion 16A of pedestal 16.Thus, can reduce speed reducer 10 from the outstanding size L1 of pedestal 16, and, speed reducer 10 can be linked at the part of motor connector 14 and the pedestal 16 that are positioned at the axial substantial middle of this speed reducer 10, therefore speed reducer 10 can be fixed on to pedestal 16 with stable state.
And when safeguarding etc., the state that can motor 12 be installed with maintenance is from pedestal 16 dismounting speed reducer 10, so workability is good.And motor connector 14 and pedestal 16 are configured to by inserting logical bolt 55 from motor opposition side and are fixed to one another, and therefore can carry out this fixed operation from speed reducer 11 sides of pedestal 16, workability is also good in this respect.
In addition, in above-mentioned mode of execution, the latch part 14A with pedestal 16 snap closes forming on motor connector 14 is formed at than connector lip part 52 and more leans on motor 12 sides, but this latch part also can be formed at than this connector lip part more by motor opposition side by position and the shape of pedestal.Certainly, also can be formed at the motor-side of connector lip part and motor opposition side the two.
And, in above-mentioned mode of execution, there is following structure, the diameter d 5 of (with pedestal 16 snap closes) the latch part 14A forming on motor connector 14 forms the external diameter d6 that is greater than motor 12, and can make whole motor 12 former states at the hatch lock buckle portion 16A than pedestal 16 more by speed reducer opposition side location.But this structure is not essential structure.For example, according to the position relationship of pedestal and speed reducer, sometimes can make the speed reducer of speed reducer partly by the hatch lock buckle portion of pedestal, make speed brake setting in pedestal.Now, as long as the diameter of (with the pedestal snap close) latch part (14A) forming on motor connector forms the external diameter that is greater than speed reducer, just can make whole speed reducer by the hatch lock buckle portion of pedestal, at motor opposition side, locate in the clear.The diameter of (with the pedestal snap close) latch part (14A) forming on motor connector thus, may not form the external diameter that is greater than motor.
In addition; while installing by this way;, by inserting logical bolt from motor-side and being fixed each other, in most of situation, the workability of this structure can be improved conventionally for motor connector and object parts (not being to be fixed each other by inserting logical bolt from motor opposition side).In other words, in the present invention, motor connector and object parts may not be configured to by inserting logical bolt from motor opposition side and being fixed each other.
And, in above-mentioned mode of execution, show the speed reducer of Eccentrically rocking type reduction gear structure that the axle center that has at internal gear (radially central authorities) only exists the centre-crank formula that is known as of 1 input shaft (eccentric shaft) with eccentric body, but the reducing gear of the speed reducer of speed reducer involved in the present invention is not particularly limited to this example.For example, also can be the reducing gear that is known as so-called distribution type, in the position of the desaxe from internal gear, there are many eccentric shafts, by the eccentric body synchronous rotary that these many eccentric shafts are possessed, external gear is swung.In addition, can be simple planetary gear speed reducing mechanism, also can be parallel axle speed reducing machine structure, orhtogonal axis reducing gear etc.

Claims (5)

1. a speed reducer, it possesses speed reducer, motor and is configured in the motor connector between described speed reducer and motor, and described speed reducer is characterised in that,
Described speed reducer possesses speed reducer lip part in the periphery of the shell of this speed reducer,
Described motor connector is fixed on this speed reducer lip part,
Described motor connection device is installed the connector lip part of use for object parts, and
This connector lip part is more extending by radial outside than described speed reducer lip part.
2. speed reducer according to claim 1, is characterized in that,
Described motor connector more possesses the latch part with object parts snap close by motor-side at the connector lip part that use is installed than described object parts.
3. speed reducer according to claim 2, is characterized in that,
The diameter of described latch part is larger than the external diameter of described motor.
4. according to the speed reducer described in any one in claim 1～3, it is characterized in that,
Described motor connector and described object parts are fixed to one another by inserting logical bolt from motor opposition side.
5. according to the speed reducer described in any one in claim 1～4, it is characterized in that,
Described motor connector has described connector lip part at the radial outside that is fixed on the part on described speed reducer lip part.
CN201310539767.7A 2013-02-12 2013-11-04 Deceleration device Active CN103982599B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013024923A JP5918704B2 (en) 2013-02-12 2013-02-12 Reduction gear
JP2013-024923 2013-02-12

Publications (2)

Publication Number Publication Date
CN103982599A true CN103982599A (en) 2014-08-13
CN103982599B CN103982599B (en) 2017-03-01

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CN201310539767.7A Active CN103982599B (en) 2013-02-12 2013-11-04 Deceleration device

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JP (1) JP5918704B2 (en)
CN (1) CN103982599B (en)
DE (1) DE102014000227B4 (en)

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CN106195219A (en) * 2014-08-11 2016-12-07 住友重机械工业株式会社 deceleration device
CN110131388A (en) * 2018-02-02 2019-08-16 住友重机械齿轮箱株式会社 Power transmission
US20220368194A1 (en) * 2019-06-28 2022-11-17 Sew-Eurodrive Gmbh & Co. Kg Geared motor, in particular of a geared motor series, having an adapter part

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JP6379986B2 (en) * 2014-10-17 2018-08-29 アイシン精機株式会社 Connecting structure of power source and transmission

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JP2012117609A (en) * 2010-12-01 2012-06-21 Nabtesco Corp Gear transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106195219A (en) * 2014-08-11 2016-12-07 住友重机械工业株式会社 deceleration device
CN110131388A (en) * 2018-02-02 2019-08-16 住友重机械齿轮箱株式会社 Power transmission
US20220368194A1 (en) * 2019-06-28 2022-11-17 Sew-Eurodrive Gmbh & Co. Kg Geared motor, in particular of a geared motor series, having an adapter part

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Publication number Publication date
DE102014000227A1 (en) 2014-08-14
CN103982599B (en) 2017-03-01
DE102014000227B4 (en) 2021-05-20
JP5918704B2 (en) 2016-05-18
JP2014152894A (en) 2014-08-25

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