CN109562438A - For forming the tool and method of surface characteristics on workpiece - Google Patents
For forming the tool and method of surface characteristics on workpiece Download PDFInfo
- Publication number
- CN109562438A CN109562438A CN201780048212.9A CN201780048212A CN109562438A CN 109562438 A CN109562438 A CN 109562438A CN 201780048212 A CN201780048212 A CN 201780048212A CN 109562438 A CN109562438 A CN 109562438A
- Authority
- CN
- China
- Prior art keywords
- drip molding
- external
- actuator
- gear
- supporting element
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/28—Making other particular articles wheels or the like gear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
Abstract
This paper presents a kind of tools for being used to form annular workpieces, such as gear.The tool has cylindrical internal drip molding, and the internal drip molding has the circumference surrounded by gear.Actuator is moved axially along the central axis of internal drip molding and gear.Multiple external drip moldings are placed on supporting element and can slide relative to supporting element.Each external drip molding is designed with narrow contracting surface, and the narrow contracting surface is corresponding with the narrow contracting surface of actuator and engages.The axial movement of actuator engages narrow contracting surface, to make external drip molding radially inward towards gears slip.External drip molding is equipped with surface characteristics, and when actuator is by external drip molding pressed toward gear, which forms tooth on gear.
Description
Cross reference to related applications
This application claims the U. S. application No.15/228 submitted on August 4th, 2016,106 priority is disclosed in
This is incorporated herein by reference of text.
Technical field
This disclosure relates to it is a kind of in the annular outer surface of gear formed surface characteristics (such as a series of teeth and/or
Groove) device and method.
Background technique
Automatic transmission, torque converter etc. are with many components with complex surface feature.For example, planetary gear set
It may include gear or guide wheel, there is a series of duplicate grooves and tooth on the outer surface of component.It is known by utilize one
Or more than one rolling member forms the groove of these components.
For example, DE102010019522 discloses a kind of device, with outer profile element, the outer profile element include
Accommodate the lower die of the cupuliform blank in mandrel.The profile elements have upper mold, and the upper mold relatively can axially be adjusted with lower die
Section, wherein upper mold has multiple rolling members, and the rolling member is arranged on the periphery of blank.Profile rolling member is contained in limit
In ring, the stop collar is formed by two rings, and the ring is designed to complimentary to one another.
Summary of the invention
In one embodiment, a kind of tool for being used to form annular workpieces is proposed.The tool includes limiting one week
The internal drip molding of one or more than one of boundary.Tool further includes multiple external drip moldings, and the external drip molding is around central axis
Line be arranged jointly circularize and from circumference radially outward.Each external drip molding have inner surface towards internal drip molding and
Opposite outer surface.Each inner surface limits surface characteristics, for forming corresponding outer surface features on workpiece.Work
Tool further includes actuator, and the actuator is constructed to be permeable to translate along axis so that external drip molding towards workpiece radially-inwardly
It is mobile, to form outer surface features on workpiece.
Each outer surface of external drip molding may include relative to central axis both relative to the narrow contracting of central axis, actuator
The inner surface of narrow contracting.The inner surface of actuator can be slided along the outer surface of external drip molding, to force external drip molding direction
Workpiece moves radially inwardly, to be stamped and formed out surface characteristics on workpiece.
The circumference of internal drip molding or outer surface can limit a series of surface characteristics, with corresponding for being formed on workpiece
Interior surface features.
One or more than one external drip molding can be single cylindrical internal drip molding.Alternatively, described one
A or more than one external drip molding can be the inside drip molding for limiting a circumference jointly.
In another embodiment, it is a kind of formed annular workpieces method include annular workpieces are located in it is generally cylindrical
Between internal drip molding and multiple external drip moldings, each external drip molding is all disposed on supporting element and has outer surface.Institute
The method of stating further includes driving actuator towards supporting element and being touching on the outer surface, to force external drip molding along supporting element
It slides and is pressed against on annular workpieces.
In another embodiment, a kind of system being used to form gear includes supporting element and multiple external drip moldings, described
External drip molding is annularly arranged by supports support and around central axis.External drip molding is constructed to be permeable to along supporting element direction
Or it is mobile far from central axis.Each external drip molding is biased away from central axis.Actuator selectively with outside at
At least one of shape part engages.External drip molding is pressed to central axis by movement of the actuator to supporting element, to form tooth
The outer surface of wheel.
Detailed description of the invention
Fig. 1 is the local perspective view of the tool according to the in the closed position of an embodiment or using position, wherein tool
Tooth is formed on gear.
Fig. 2 is the local perspective view of in an open position or non-use position tool, wherein the tool not shape on gear
At tooth.
Fig. 3 is the perspective view of tool, wherein various parts are integrally shown herein.
Specific embodiment
Embodiments of the present disclosure are described herein.It will be appreciated, however, that the disclosed embodiments are only example, Qi Tashi
Applying example can be used the form of different substitutions.The drawings are not necessarily drawn to scale；Certain features may be exaggerated or minimized, with aobvious
Show the details of particular elements.Therefore, specific structure and function details disclosed herein should not be construed as restrictive, and only make
For for instructing those skilled in the art to use the representative basis of embodiment in various ways.Such as those of ordinary skill in the art
It will be understood that as, with reference to the various features that either figure is shown and is described can with show in one or more than one other attached drawing
Feature out is combined to produce the embodiment being not explicitly shown or described.The combination of shown feature is provided for typical case
Representative embodiment.However, for specific application or implementation, it may be necessary to meet the various of the feature of the introduction of the disclosure
Combination and remodeling.
It should be appreciated that direction referring to (for example, " downward ", " upward ", " inside ", " outside ", " inside ", " outside "
Deng) it is intended to describe the embodiment of the tool oriented as shown in the figure and gear.These terms should according in such as figure specific arrangements and
The position of tool and gear shown in orientation understands.For example, although actuator is described below as " downward " driving, the art
Language is intended to indicate that " downward when orientation as shown in the figure ", since it will be understood that when being actually used in form gear, which can be with
Take it is other orientation (for example, it is inclined, turn upside down etc.).Moreover, term " inside " and " outside " refer to relative to tool
Central axis for.
According to one or more than one embodiment of the disclosure, provide a kind of tool for being used to form gear with teeth,
System and method.Tooth on gear rolls forming linearly in the stamping surface to gear, in the rolling
Forming tool, which is rolled, in dynamic forming rolls across the surface.
Fig. 1 shows the tool 10 of the tooth on stamping gear 12.In Fig. 1, tool 10, which is shown in, to be made
With position, wherein form tooth on the surface of gear 12.In Fig. 2, tool 10 is shown in open unused position,
Wherein, the tooth on the not formed gear of gear.In order to provide the clearer view of tool 10, gear is not shown in Fig. 2.
Tool 10 includes supporting element 20, actuator 30, multiple external drip moldings 40 and internal drip molding 50.These components with
And gear 12 can share same central axis (not shown).These components are worked together with by 16 punching press of external teeth 14 and inner teeth
Onto the surface of gear 12.Supporting element 20, actuator 30 and internal drip molding 50 extend a circle completely about gear 12, still
In Fig. 1-2, these components are only partially shown to be for the purpose of illustration；Component is completely shown in Fig. 3.Though in addition,
An external drip molding 40 is illustrated only in right attached drawing, it should be appreciated that this is for illustration purposes only；Multiple external drip moldings 40 enclose
Extend around gear 12.In one embodiment, the quantity of external drip molding 40 corresponds to the quantity of the external teeth 14 on gear.
Tool 10 is for forming tooth on gear 12 as follows.Gear 12 is placed on supporting element 20 or other substrate surfaces (not
Show) on.In order to start forming process, actuator 30 is for example driven downwards or is pressed downward by hydraulic.When 30 quilt of actuator
Downwards when driving, actuator 30 engages external drip molding 40, to force external drip molding 40 along supporting element 20 along inside side
To towards gear 12.When further driving, actuator 30 forces external drip molding 40 further inwardly to be pressed against gear 12.Tooth
Wheel 12 is crushed between external drip molding 40 and internal drip molding 50, and each drip molding 40,50 is designed with surface characteristics, in tooth
Corresponding external teeth 14 and inner teeth 16 are formed on wheel 12.
Supporting element 20 has generally flat upper surface 22.Upper surface 22 can be equipped with from radially of the central axis extending outwardly
Track or groove.These tracks or groove when external 40 driven member 30 of drip molding inwardly or outwardly pushes inwardly or outwardly
Guide external drip molding 40.The lower surface of external drip molding 40 can be respectively provided with the phase in one cooperated in track or groove
Answer protrusion.In another embodiment, upper surface 22 can be equipped with the protrusion radially extended, and each protrusions match is in external drip molding 40
In corresponding one bottom surface on corresponding recesses or track in.The interaction of groove or track and protrusion only makes it possible to
Enough slidably couple examples realized between external drip molding 40 and supporting element 20.
Actuator 30 can be moved down towards supporting element 20 and be moved up far from supporting element 20, outer selectively to press
Portion's drip molding 40 and external drip molding 40 is discharged from gear 12.Actuator 30 includes the inner surface 32 towards central axis.One
In embodiment, inner surface 32 relative to the narrow contracting of central axis so that the bottom of the top specific inner surface 32 of inner surface 32 closer to
Central axis.As shown in figure 3, inner surface 32 can use frusto-conical.
External drip molding 40 has corresponding outer surface 42, when actuator is driven, the outer surface 42 and actuator
30 engagements.The outer surface 42 of each external drip molding 40 is both relative to the narrow contracting of central axis, so that in the top ratio of outer surface 42
The bottom on surface 32 is closer to central axis.The shape of the outer surface 42 of each external drip molding 40 both corresponds to actuator 30
The shape of inner surface 32.In one embodiment, when actuator is driven, surface 32,42 is with the engagement of aspectant relationship, with true
Protect smooth linear motion of the external drip molding 40 towards central axis.
When actuator is in non-use position or open position (for example, Fig. 2), actuator and external drip molding 40 are spaced
It opens, and does not engage external drip molding 40 directly.When actuator 30 is driven, the inner surface 32 of actuator engages external forming
The outer surface 42 of part 40.As described above, moving downward for actuator 30 is transformed into each external drip molding 40 by the surface of narrow contracting
Radial motion (that is, towards gear 12).
Each external drip molding further includes inner surface 44, and the inner surface 44 is equipped with surface characteristics 46.In one embodiment,
Surface characteristics 46 is in the required shape of the external teeth 14 on gear.When external drip molding 40 is pressed towards gear 12 and is pressed onto gear
When on 12, surface characteristics 46 is pressed against on the outer surface of gear 12, to form external teeth 14.
It is formed in the embodiment on gear 12 in wherein inner teeth 16, internal drip molding 50 includes having multiple surfaces special
The outer surface 52 of sign 54.These surface characteristics 54 are in the required shape of inner teeth 16.Outer surface 52 and the offer of surface characteristics 54 are supported
The resistance of the anti-radially inward pressure from external drip molding 40.Therefore, when external drip molding 40 is pressed against by actuator 30
When on gear 12, external teeth 14 and inner teeth 16 can be formed simultaneously.
The method to form annular workpieces, such as gear 12 can be realized using above-mentioned tool.In one embodiment, gear 12 is put
It sets between generally cylindrical internal drip molding 50 and multiple external drip moldings 40.Each external drip molding 40 is slideably
It is arranged on supporting element 20.Actuator 30 is driven towards supporting element and against the outer surface 42 of external drip molding 40.This compels
External drip molding 40 is set to slide and be pressed against on gear 12 along supporting element.External drip molding 40 can be separated from each other, but pass through
Circumference or the periphery of dimension adjustable can be limited jointly by driving upside down actuator 30.
It should be appreciated that said gear 12 can be one of a variety of gears, such as annular gear wheel, guide wheel, sun gear
Deng.It is known in the transmission mechanism or torque converter of vehicle there are many different types of gears, tools disclosed above and
Formation system can be implemented on any kind of gear.It is internal if the particular gear formed is configured without inner teeth
Drip molding 50 may be designed to do not have outer surface features.Similarly, if the particular gear formed is configured without external teeth,
External drip molding 40 may be designed to do not have interior surface features.
Gear is formed on the contrary, reducing the quantity of moving component using the tool of the disclosure with traditional roller.This subtracts
The chance damaged to part is lacked.Compared with the formation of the disclosure, the amount maintenance of rotary part during roller is formed
Cost is higher.
It should be appreciated that relational language, " generally " such as in " generally cylindrical internal drip molding " may include appearance
Surface characteristics, protrusion or groove on face, but it " generally " is column that those skilled in the art, which still will be considered to the component on the whole,
Shape.
Although it is encompassed in the claims to be not meant to that these embodiments describe the foregoing describe exemplary embodiment
All possible forms.Word used in specification is descriptive words rather than restricted word, it should be understood that can be carried out
Various changes, without departing from spirit and scope of the present disclosure.As previously mentioned, the feature of different embodiments can be combined to form this
The other embodiments that the possibility of invention is not explicitly described or illustrates.Although different embodiments can be described as one or be more than
One desired characteristic has advantage or an implementation better than other embodiments or the prior art, but ordinary skill people
Member recognize can damage one or more than one feature or characteristic with realize with specifically using and implementation related phase
The total system attribute of prestige.These attributes may include but be not limited to cost, intensity, durability, life cycle cost, can sell
Property, is easily assembled to appearance, packaging, size, maintainability, weight, manufacturability.Therefore, even if any embodiment is described
For, these embodiments not satisfactory compared with other embodiments or prior art embodiment for one or more than one characteristic
It still not outside the scope of the present disclosure, and for specific application may be desired.
Claims (10)
1. a kind of tool for being used to form annular workpieces, the tool include:
One or more than one internal drip molding, limits a circumference；
Multiple external drip moldings, be arranged jointly around central axis circularize and from circumference radially outward, it is each outside drip molding
All there is inner surface and opposite outer surface, each inner surface towards circumference to limit surface characteristics, in workpiece
It is upper to form corresponding outer surface features；And
Actuator is constructed to be permeable to translate along axis, so that external drip molding is moved radially inwardly towards workpiece, in workpiece
Upper formation outer surface features.
2. tool according to claim 1, wherein each outer surface of external drip molding is narrow both relative to central axis
Contracting, actuator includes the inner surface relative to the narrow contracting of central axis.
3. tool according to claim 2, wherein the inner surface of actuator is slided along the outer surface of external drip molding,
To force external drip molding to move radially inwardly towards workpiece.
4. tool according to claim 1, wherein circumference limits a series of surface characteristics, for the shape on workpiece
At corresponding interior surface features.
5. tool according to claim 4, wherein external drip molding can radially be slided relative to circumference, in work
Outer surface features and interior surface features are formed on part.
6. tool according to claim 1, the tool further includes supporting element, and the supporting element, which has, is used to support outside
The generally flat surface of drip molding.
7. tool according to claim 6, wherein supporting element includes from the multiple tracks radially of the central axis extended.
8. tool according to claim 7, wherein each external drip molding includes extending in one in track
Protrusion, in order to which external drip molding is along the sliding motion of supporting element.
9. tool according to claim 1, wherein when actuator moves radially inwardly external drip molding, each outside
Drip molding is all biased radially.
10. a kind of method for forming annular workpieces, which comprises
Annular workpieces are located between generally cylindrical internal drip molding and multiple external drip moldings, each external drip molding
It is all disposed on supporting element and there is outer surface；And
Actuator is driven towards supporting element and is touching on the outer surface, to force external drip molding to slide simultaneously along supporting element
It is pressed against on annular workpieces.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/228,106 US20180036791A1 (en) | 2016-08-04 | 2016-08-04 | Tool and method for forming surface features onto a workpiece |
| US15/228,106 | 2016-08-04 | ||
| PCT/US2017/044067 WO2018026616A1 (en) | 2016-08-04 | 2017-07-27 | Tool and method for forming surface features onto a workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109562438A true CN109562438A (en) | 2019-04-02 |
Family
ID=61071306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780048212.9A Pending CN109562438A (en) | 2016-08-04 | 2017-07-27 | For forming the tool and method of surface characteristics on workpiece |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180036791A1 (en) |
| CN (1) | CN109562438A (en) |
| DE (1) | DE112017003913T5 (en) |
| WO (1) | WO2018026616A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH714660A1 (en) * | 2018-02-16 | 2019-08-30 | Grob Ernst Fa | Apparatus and method for producing a ring gear with internal and external teeth and ring gear. |
| JP7344685B2 (en) * | 2019-07-09 | 2023-09-14 | 株式会社ジェイテクトギヤシステム | Work holding device |
| US11707786B2 (en) * | 2020-04-17 | 2023-07-25 | PMG Indiana LLC | Apparatus and method for internal surface densification of powder metal articles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US874448A (en) * | 1907-12-24 | John R Keim Mills Inc | Method of making gear-wheels. | |
| US5794475A (en) * | 1995-08-30 | 1998-08-18 | Schuler Pressen Gmbh & Co. | Apparatus and process for manufacturing profiled bodies |
| US20090049880A1 (en) * | 2006-02-16 | 2009-02-26 | Mueller Weingarten Ag | Rolling tool with integrated drawing stage |
| US20110079066A1 (en) * | 2008-04-06 | 2011-04-07 | Aweba Werkzeugbau Gmbh | Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| CN101712058B (en) * | 2008-10-03 | 2014-07-23 | 福特汽车公司 | Forming preforms and parts therefrom |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803896A (en) * | 1972-05-19 | 1974-04-16 | Automobilove Zavody Np | Method and apparatus for forming locking surfaces on gear rings |
| DE19639081C2 (en) * | 1996-09-24 | 2003-06-18 | Herzing & Schroth Gmbh & Co Kg | Device for producing a workpiece with a cylindrical profiled wall |
| WO2006066525A1 (en) * | 2004-12-23 | 2006-06-29 | Müller Weingarten AG | Method for producing longitudinal grooves in cylindrical workpieces |
| DE102010019522A1 (en) | 2009-05-22 | 2010-11-25 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Device for manufacturing workpiece from sheet metal material i.e. strip material, in multi-stage press, has profile rollers accommodated in retaining ring that is formed from two rings parts including axial bearing for axles of rollers |
| AU2009355364A1 (en) * | 2009-11-10 | 2012-05-24 | Vdl Weweler B.V. | Wheel axle suspension having clamp bodies with a protrusion for attaching an indented tubular axle to trailing arms |
| DE102014002971A1 (en) * | 2014-03-06 | 2015-09-10 | Webo Werkzeugbau Oberschwaben Gmbh | Method and device for producing an internally and externally toothed cup-shaped sheet-metal part with a forming head |
-
2016
- 2016-08-04 US US15/228,106 patent/US20180036791A1/en not_active Abandoned
-
2017
- 2017-07-27 CN CN201780048212.9A patent/CN109562438A/en active Pending
- 2017-07-27 DE DE112017003913.4T patent/DE112017003913T5/en not_active Withdrawn
- 2017-07-27 WO PCT/US2017/044067 patent/WO2018026616A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US874448A (en) * | 1907-12-24 | John R Keim Mills Inc | Method of making gear-wheels. | |
| US5794475A (en) * | 1995-08-30 | 1998-08-18 | Schuler Pressen Gmbh & Co. | Apparatus and process for manufacturing profiled bodies |
| US20090049880A1 (en) * | 2006-02-16 | 2009-02-26 | Mueller Weingarten Ag | Rolling tool with integrated drawing stage |
| US20110079066A1 (en) * | 2008-04-06 | 2011-04-07 | Aweba Werkzeugbau Gmbh | Method for producing an internally or externally toothed cup-shaped sheet material component and corresponding device |
| CN101712058B (en) * | 2008-10-03 | 2014-07-23 | 福特汽车公司 | Forming preforms and parts therefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180036791A1 (en) | 2018-02-08 |
| DE112017003913T5 (en) | 2019-05-09 |
| WO2018026616A1 (en) | 2018-02-08 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190402 |