CN108213610A - For the fixture and lathe of harmonic wave speed reducing machine firm gear Gear Shaping - Google Patents
For the fixture and lathe of harmonic wave speed reducing machine firm gear Gear Shaping Download PDFInfo
- Publication number
- CN108213610A CN108213610A CN201810248719.5A CN201810248719A CN108213610A CN 108213610 A CN108213610 A CN 108213610A CN 201810248719 A CN201810248719 A CN 201810248719A CN 108213610 A CN108213610 A CN 108213610A
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- China
- Prior art keywords
- gear
- elastic telescopic
- external member
- fixture
- pull rod
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of fixture and lathe for harmonic wave speed reducing machine firm gear Gear Shaping, wherein, which includes：Pull rod, support portion, connecting portion, external member and elastic telescopic portion；Support portion is used for the revolving platform mounted on lathe, and support portion has hollow cavity structure, pull rod and connecting portion in the cavity of support portion；For being connect with the hydraulic cylinder of lathe, the other end is connect by connecting portion with elastic telescopic portion for one end of pull rod；External member is mounted on the one end of support portion far from pull rod；Elastic telescopic portion is at least partly placed in external member, elastic telescopic portion is used to be clamped firm gear gear blank, the inner surface of the outer surface in elastic telescopic portion and one end of external member is the taper surface to cooperate, cause when hydraulic cylinder drives elastic telescopic portion to move by pull rod, the taper surface of elastic telescopic portion and external member coordinates with clamping or unclamps firm gear gear blank.Implement the present invention can make firm gear gear blank in processing uniform force, the machined surface of firm gear gear blank will not be damaged.
Description
Technical field
The present invention relates to operated implement field, more particularly to a kind of fixture for harmonic wave speed reducing machine firm gear Gear Shaping and
Lathe.
Background technology
Harmonic speed reducer is a kind of transmission gear means that movement and power transmission are realized by flexible gear flexible deformation.
In general, harmonic speed reducer is made of basic building blocks such as wave producer, flexbile gear, firm gear and flexible bearings.Wave producer with
In flexbile gear relative rotation, flexbile gear is forced to generate elliptoid radial deformation in its longitudinal end according to certain rules.Flexbile gear at work
The tooth at long axis both ends is engaged with firm gear, and then completely disengaged at short axle.With the continuous relative rotation of wave producer and flexbile gear,
So that deformation of flexible wheel constantly converts, the flexbile gear gear teeth and firm gear cycle carry out side set transmission that is engaging-in, engaging, nibble out, disengaging.Due to
Harmonic drive has the characteristics that precision is high, gearratio is big, efficient, small, return difference is small, can transmit movement to confined space,
It is therefore widely used in each field such as robot, space technology, electronic manufacturing technology, there is nearly 90% harmonic gear at present
Device is applied in robot industry and is needed in the industry of progress precision positioning.
About the processing method of Rigid Gear of Harmonic Reducer, have some patents, as Chinese patent CN106141598A is disclosed
A kind of processing method of the high-accuracy Rigid Gear of Harmonic Reducer of robot, including determining that the facewidth of two toothrows and root circle are straight respectively
Diameter；The first cylindrical surface is lathed by the root diameter of the first toothrow in firm gear green body inner ring side, is reserved on the cylindrical surface
The axial length of the first toothrow facewidth；In firm gear green body inner ring opposite side the second circle is lathed by the root diameter of the second toothrow
Cylinder is reserved with the axial length of the second toothrow facewidth on the cylindrical surface；Intersection on the first cylindrical surface and the second cylindrical surface
Process annular groove；Reserved part on first and second cylindrical surface processes tooth respectively according to determining tooth parameter.The present invention can be
The tooth of the two rows of different numbers of teeth of firm gear inner circumferential machine-shaping, can be with the tooth engagement of corresponding flexbile gear, can basis in transmission process
It needs that any one tooth is selected to be driven, transmits two kinds of gearratios so as to achieve the purpose that realize, meet robot to transmission
The requirement of ratio.
For another example Chinese patent CN102678881A disclose a kind of firm gear for short cylinder flexible gear harmonic reducer and flexbile gear and
Its processing technology, it is related to a kind of firm gear of short cylinder flexible gear harmonic reducer and flexbile gear and its processing technology.The internal tooth of firm gear is
The gear teeth with inclined angle alpha, inclined angle alpha inclined direction is consistent with subtended angle direction θ 2 of the flexbile gear at long axis, and inclined angle alpha is 0.1 °
~2 °.The top of two sections of tooth curve sections of flexbile gear external tooth flank profil is linked together by tooth top straightway, each tooth curve
Section is connected smoothly by upper arc radius and lower arc radius.Harmonic speed reducer includes firm gear, flexbile gear and wave producer；
The ratio between the length of flexbile gear and its internal diameter are less than 1.Flexbile gear in short cylinder flexible gear harmonic reducer is with firm gear by low-speed WEDM
Obtained from machine tooling.The flexbile gear gear teeth in the present invention are engaged with the firm gear gear teeth into certain inclination angle, more without inclination angle
When compare, the total contacts area of all rodent populations improve 15%, so as to improve the registration of harmonic gear, and then improve humorous
The rigidity of wave transmission.
Above-mentioned each method both for firm gear control process, all not to firm gear in process step up to fill
It puts and is improved, the scheme that particularly firm gear stressing conditions are improved.It would therefore be highly desirable to make firm gear tooth when proposing a kind of processing
Base uniform force, will not damage firm gear gear blank machined surface firm gear gear hobbing process fixture.
Invention content
In view of this, the present invention is intended to provide a kind of fixture and lathe for harmonic wave speed reducing machine firm gear Gear Shaping, with
Phase in processing, can make firm gear gear blank uniform force, the machined surface that will not damage firm gear gear blank.
Specifically, on the one hand, the present invention provides a kind of fixture for harmonic wave speed reducing machine firm gear Gear Shaping, including：
Pull rod, support portion, connecting portion, external member and elastic telescopic portion；The support portion is used for the revolving platform mounted on lathe, described
Support portion has hollow cavity structure, and the pull rod and connecting portion are in the cavity of the support portion；One end of the pull rod
It is connect for the hydraulic cylinder with lathe, the other end is connect by connecting portion with the elastic telescopic portion；The external member is mounted on
The one end of the support portion far from the pull rod；The elastic telescopic portion is at least partly placed in the external member, the elasticity
For pars contractilis for being clamped firm gear gear blank, the outer surface in the elastic telescopic portion is phase interworking with the inner surface of one end of the external member
The taper surface of conjunction causes when the hydraulic cylinder drives the elastic telescopic portion to move by the pull rod, and the elasticity is stretched
The taper surface of contracting portion and the external member coordinates with clamping or unclamps the firm gear gear blank.
Further, the connecting portion include connector, link block, connection end cap and terminal pad, the one of the connector
End connects the other end of the pull rod by locking nut, and the connector is hollow cavity structure, the cavity of the connector
In be equipped with the link block and the axis of the terminal pad, the link block is connect with the axial end of the axis of the terminal pad,
The connection end cap is also arranged on the axis of the terminal pad, the connection end cap and the end face of the other end of the connector connect
It connects.
Further, the connecting portion further includes thrust ball bearing, and the thrust ball bearing is set in the terminal pad
It on axis, is placed in the cavity of the connector, and between the link block and the connection end cap.
Further, the support portion includes pedestal and connecting seat, and one end of the pedestal is used for the revolution of connecting machine tool
Platform, the end face of the other end of the pedestal are connect with one end of the connecting seat；The pedestal is hollow cavity structure, described
The cavity of pedestal is equipped with the connector, link block, connection end cap and terminal pad；The end face of the other end of the connecting seat with
The other end connection of the external member.
Further, the connecting portion further includes connecting sleeve and the connection bolt in the connecting sleeve, described
Elastic telescopic portion and the connecting seat are provided with through-hole, and the connecting sleeve, the elastic telescopic portion are provided in the through-hole
The terminal pad is bolted by the connection.
Further, the fixture for harmonic wave speed reducing machine firm gear Gear Shaping is further included for location and installation firm gear tooth
The positioning seat of base, the positioning seat are placed in the external member, and are connect with the connecting seat.
On the other hand, the present invention also provides a kind of lathes, including revolving platform and hydraulic cylinder, are provided with above-mentioned use
In the fixture of harmonic wave speed reducing machine firm gear Gear Shaping.
The fixture for harmonic wave speed reducing machine firm gear Gear Shaping of the present invention passes through the reciprocal of the hydraulic cylinder of cabinet leg
Movement is moved in a straight line, and then elastic telescopic portion is driven to move in a straight line by pull rod band rotation connection, and then realizes that elasticity is stretched
The taper surface of contracting portion and external member is in mated condition, to realize clamping workpiece, does not locate in the taper surface of elastic telescopic portion and external member
It when mated condition, realizes and unclamps workpiece, for this fixture in workpiece clamping, each stress of circumference of elastic telescopic portion set is equal
It is even, therefore the firm gear gear blank uniform force of elastic telescopic portion clamping, uniform force, repetitive positioning accuracy are high, it will not disfiguring workpiece
Machined surface.
Being described below for exemplary embodiment is read with reference to the drawings, other property features of the invention and advantage will
It is apparent from.
Description of the drawings
It is incorporated into specification and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and with
Principle for explaining the present invention together is described.In the drawings, similar reference numeral is used to represent similar element.Under
Attached drawing in the description of face is some embodiments of the present invention rather than whole embodiments.Those of ordinary skill in the art are come
It says, without creative efforts, other attached drawings can be obtained according to these attached drawings.
Fig. 1 is a kind of stereochemical structure of fixture for harmonic wave speed reducing machine firm gear Gear Shaping provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of explosive view of fixture for harmonic wave speed reducing machine firm gear Gear Shaping provided in an embodiment of the present invention；
Fig. 3 is a kind of explosive view of fixture for harmonic wave speed reducing machine firm gear Gear Shaping provided in an embodiment of the present invention,
The revolving platform and hydraulic cylinder of lathe are also shown for convenience of understanding.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work shall fall within the protection scope of the present invention.It needs
Illustrate, in the absence of conflict, the feature in embodiment and embodiment in the application mutually can be combined arbitrarily.
The invention will now be described in detail with reference to the accompanying drawings implements the fixture for harmonic wave speed reducing machine firm gear Gear Shaping being related to.
Referring to shown in Fig. 1-Fig. 3, a kind of card for harmonic wave speed reducing machine firm gear Gear Shaping provided in an embodiment of the present invention
Tool, including：Pull rod 1, support portion, connecting portion, external member 11 and elastic telescopic portion 14；The support portion is used for returning mounted on lathe
Turn on platform, the support portion has hollow cavity structure, and the pull rod 1 and connecting portion are in the cavity of the support portion；
For being connect with the hydraulic cylinder of lathe, the other end is connected by connecting portion and the elastic telescopic portion 14 for one end of the pull rod 1
It connects；The external member 11 is mounted on the one end of the support portion far from the pull rod 1；The elastic telescopic portion 14 is at least partly accommodating
In the external member 11, the elastic telescopic portion 14 is used to be clamped firm gear gear blank, the outer surface in the elastic telescopic portion 14 and institute
The inner surface for stating one end of external member 11 is the taper surface to cooperate, causes to drive by the pull rod 1 in the hydraulic cylinder
When the elastic telescopic portion 14 moves, the taper surface of the elastic telescopic portion 14 and the external member 11 coordinates with clamping or unclamps institute
State firm gear gear blank.
Further, the connecting portion includes connector 4, link block 5, connection end cap 7 and terminal pad 8, the connector 4
One end connect the other end of the pull rod 1 by locking nut 3, the connector 4 is hollow cavity structure, the connector
The link block 5 and the axis of the terminal pad 8, the link block 5 and the axis of the terminal pad 8 are equipped in 4 cavity
Axial end connects, and the connection end cap 7, the connection end cap 7 and the connector 4 are also arranged on the axis of the terminal pad 8
The other end end face connection.Pull rod 1 is driven by the hydraulic cylinder of lathe, so that connector 4, link block 5, connecting pin
Lid 7 and terminal pad 8 move in a straight line simultaneously with pull rod 1, and then elastic telescopic portion 14 is driven to move along a straight line.
Further, the connecting portion further includes thrust ball bearing 6, and the thrust ball bearing 6 is set in the terminal pad 8
Axis on, be placed in the cavity of the connector 4, and between the link block 5 and the connection end cap 7.Connector 4
Rotary motion can also be realized when axially moving by connection end cap 7, thrust ball bearing 6 and link block 5, it is possible thereby to real
Now during processing, difference to firm gear gear blank can be realized by turning round the fixture for harmonic wave speed reducing machine firm gear Gear Shaping
Gear shaping is processed.
Further, the support portion includes pedestal 2 and connecting seat 10, and one end of the pedestal 2 is for connecting machine tool
Revolving platform, the end face of the other end of the pedestal 2 are connect with one end of the connecting seat 10；The pedestal 2 is hollow cavity
Structure, the cavity of the pedestal 2 are equipped with the connector 4, link block 5, connection end cap 7 and terminal pad 8；The connecting seat 10
The end face of the other end connect with the other end of the external member 11.
Further, the connecting portion further includes connecting sleeve 9 and the connection bolt 12 in the connecting sleeve 9,
The elastic telescopic portion 14 and the connecting seat 10 are provided with through-hole, and the connecting sleeve 9, the bullet are provided in the through-hole
Property pars contractilis 14 by it is described connection bolt 12 connect the terminal pad 8.
Further, the fixture for harmonic wave speed reducing machine firm gear Gear Shaping is further included for location and installation firm gear gear blank
Positioning seat 13, the positioning seat 13 are placed in the external member 11, and are connect with the connecting seat 10.By positioning seat 13, i.e.,
It is positioned well when may be implemented in installation workpiece, i.e. firm gear gear blank.
Operation principle of the present embodiment for the fixture of harmonic wave speed reducing machine firm gear Gear Shaping is summarized as follows：It needs to workpiece
During clamping, the hydraulic cylinder of lathe, which moves downward, drives pull rod 1 and connector 4, connector 4 to pass through connection end cap 7, thrust ball axis
Hold 6 and link block 5 can also realize rotary motion when axially moving, terminal pad 8 passes through connecting sleeve 9 and connection bolt 12
Elastic telescopic portion 14 (such as spring chuck) is pulled to move downward, the male cone (strobilus masculinus) in elastic telescopic portion 14 and the inner conical surface cooperation of external member 11
It shrinks the diameter in elastic telescopic portion 14 and carrys out clamping workpiece.When needing to unclamp workpiece, hydraulic cylinder operative orientation is on the contrary, elasticity is stretched
Contracting portion 14 moves upwards, and elastic telescopic portion 14 restores to the original state by natural resiliency, to unclamp workpiece.
The present embodiment is reciprocal for the fixture hydraulic cylinder that passes through cabinet leg of harmonic wave speed reducing machine firm gear Gear Shaping
Movement is moved in a straight line, and then elastic telescopic portion is driven to move in a straight line by pull rod band rotation connection, and then realizes that elasticity is stretched
The taper surface of contracting portion and external member is in mated condition, to realize clamping workpiece, does not locate in the taper surface of elastic telescopic portion and external member
It when mated condition, realizes and unclamps workpiece, for this fixture in workpiece clamping, each stress of circumference of elastic telescopic portion set is equal
It is even, therefore the firm gear gear blank uniform force of elastic telescopic portion clamping, uniform force, repetitive positioning accuracy are high, it will not disfiguring workpiece
Machined surface；Preferably, pull rod axial movement is clamping and loosens, because gear shaping needs workpiece to do revolution fortune when working
Dynamic, centre plus reasoning ball bearing are exactly that lower part oil cylinder remains fixed while fixture is done under the drive of workbench in order to enable
Rotary motion；In addition, workpiece is loaded, speed effectively improves production efficiency soon.
In addition, the embodiment of the present invention also provides a kind of lathe, including revolving platform and hydraulic cylinder, which also sets up
There is the above-mentioned fixture for harmonic wave speed reducing machine firm gear Gear Shaping.Since the lathe has for harmonic wave speed reducing machine firm gear gear shaping
The corresponding technical characteristic of fixture and technique effect of processing, details are not described herein.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within protection scope of the present invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of fixture for harmonic wave speed reducing machine firm gear Gear Shaping, which is characterized in that including：Pull rod (1), support portion, company
Socket part, external member (11) and elastic telescopic portion (14)；The support portion is used for the revolving platform mounted on lathe, the support portion
With hollow cavity structure, the pull rod (1) and connecting portion are in the cavity of the support portion；One end of the pull rod (1)
It is connect for the hydraulic cylinder with lathe, the other end is connect by connecting portion with the elastic telescopic portion (14)；The external member
(11) mounted on the one end of the support portion far from the pull rod (1)；The elastic telescopic portion (14) is at least partly placed in institute
State in external member (11), the elastic telescopic portion (14) for being clamped firm gear gear blank, the outer surface of the elastic telescopic portion (14) with
The inner surface of one end of the external member (11) is the taper surface to cooperate, causes to pass through the pull rod in the hydraulic cylinder
(1) when driving elastic telescopic portion (14) movement, the elastic telescopic portion (14) and the taper surface of the external member (11) coordinate
With clamping or unclamp the firm gear gear blank.
2. it to be used for the fixture of harmonic wave speed reducing machine firm gear Gear Shaping as described in claim 1, which is characterized in that the connecting portion
Including connector (4), link block (5), connection end cap (7) and terminal pad (8), one end of the connector (4) passes through locking screw
Female (3) connect the other end of the pull rod (1), and the connector (4) is hollow cavity structure, the cavity of the connector (4)
In be equipped with the link block (5) and the axis of the terminal pad (8), the link block (5) and the axis of the terminal pad (8)
Axial end connects, and the connection end cap (7), the connection end cap (7) and the company are also arranged on the axis of the terminal pad (8)
The end face connection of the other end of junctor (4).
3. it to be used for the fixture of harmonic wave speed reducing machine firm gear Gear Shaping as claimed in claim 2, which is characterized in that the connecting portion
Thrust ball bearing (6) is further included, the thrust ball bearing (6) is set on the axis of the terminal pad (8), is placed in the connection
In the cavity of body (4), and between the link block (5) and the connection end cap (7).
4. it to be used for the fixture of harmonic wave speed reducing machine firm gear Gear Shaping as claimed in claim 3, which is characterized in that the support portion
Including pedestal (2) and connecting seat (10), one end of the pedestal (2) is used for the revolving platform of connecting machine tool, the pedestal (2)
The end face of the other end is connect with the one end of the connecting seat (10)；The pedestal (2) be hollow cavity structure, the pedestal (2)
Cavity be equipped with the connector (4), link block (5), connection end cap (7) and terminal pad (8)；The connecting seat (10) it is another
The end face of one end is connect with the other end of the external member (11).
5. it to be used for the fixture of harmonic wave speed reducing machine firm gear Gear Shaping as claimed in claim 4, which is characterized in that the connecting portion
Further include connecting sleeve (9) and the connection bolt (12) in the connecting sleeve (9), the elastic telescopic portion (14) and institute
It states connecting seat (10) and is provided with through-hole, the connecting sleeve (9) is provided in the through-hole, the elastic telescopic portion (14) passes through
The connection bolt (12) connects the terminal pad (8).
6. it to be used for the fixture of harmonic wave speed reducing machine firm gear Gear Shaping as claimed in claim 5, which is characterized in that further include and be used for
The positioning seat (13) of location and installation firm gear gear blank, the positioning seat (13) are placed in the external member (11), and with the connection
Seat (10) connection.
7. a kind of lathe, including revolving platform and hydraulic cylinder, which is characterized in that set any just like in claim 1-6
The fixture for harmonic wave speed reducing machine firm gear Gear Shaping described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248719.5A CN108213610A (en) | 2018-03-24 | 2018-03-24 | For the fixture and lathe of harmonic wave speed reducing machine firm gear Gear Shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248719.5A CN108213610A (en) | 2018-03-24 | 2018-03-24 | For the fixture and lathe of harmonic wave speed reducing machine firm gear Gear Shaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108213610A true CN108213610A (en) | 2018-06-29 |
Family
ID=62660092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810248719.5A Pending CN108213610A (en) | 2018-03-24 | 2018-03-24 | For the fixture and lathe of harmonic wave speed reducing machine firm gear Gear Shaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108213610A (en) |
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| KR20160001505A (en) * | 2014-06-27 | 2016-01-06 | 주식회사 액셜스페이스 | A harmonic speed reducer including gear tooth and a supporting part combined with the gear tooth |
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| CN106475585A (en) * | 2015-08-28 | 2017-03-08 | 南京理工大学 | A kind of device for clamping and rotating |
| CN206732292U (en) * | 2017-05-09 | 2017-12-12 | 綦江嘉洲齿轮传动有限公司 | A kind of hydraulic jig for gear hobbing machine |
| CN206794945U (en) * | 2017-06-22 | 2017-12-26 | 江苏双环齿轮有限公司 | Gear gear shaping device |
| CN208067501U (en) * | 2018-03-24 | 2018-11-09 | 北京中研华飞科技有限公司 | Fixture and lathe for harmonic wave speed reducing machine firm gear Gear Shaping |
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- 2018-03-24 CN CN201810248719.5A patent/CN108213610A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203409558U (en) * | 2013-09-01 | 2014-01-29 | 荆州市祥达机械制造有限公司 | Pneumatic clamp for axis parts |
| CN203900922U (en) * | 2014-06-26 | 2014-10-29 | 浙江陀曼精密机械有限公司 | Clamping mechanism of elastic cylinder clamp |
| KR20160001505A (en) * | 2014-06-27 | 2016-01-06 | 주식회사 액셜스페이스 | A harmonic speed reducer including gear tooth and a supporting part combined with the gear tooth |
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| CN106475585A (en) * | 2015-08-28 | 2017-03-08 | 南京理工大学 | A kind of device for clamping and rotating |
| CN205324902U (en) * | 2016-01-29 | 2016-06-22 | 株洲欧格瑞传动股份有限公司 | Shell type that rises gear shaping anchor clamps |
| CN206732292U (en) * | 2017-05-09 | 2017-12-12 | 綦江嘉洲齿轮传动有限公司 | A kind of hydraulic jig for gear hobbing machine |
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