CN110325762A - For manufacturing the method and the device that obtains by this method of pendulum-type damping unit - Google Patents
For manufacturing the method and the device that obtains by this method of pendulum-type damping unit Download PDFInfo
- Publication number
- CN110325762A CN110325762A CN201880013426.7A CN201880013426A CN110325762A CN 110325762 A CN110325762 A CN 110325762A CN 201880013426 A CN201880013426 A CN 201880013426A CN 110325762 A CN110325762 A CN 110325762A
- Authority
- CN
- China
- Prior art keywords
- pendulum
- damping unit
- type damping
- supporting element
- hole
- 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.)
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
Abstract
A kind of pendulum-type damping unit (1, 11), including at least one pendulum mass (2, 20), it can be moved on supporting element (4), the pendulum mass (2, 20) by two fly weights (3, 17) it constitutes, one is arranged on every side of the supporting element (4), it is connected between inner face (5) by least one spacer (6), the spacer (6) passes through the slot (10) in the supporting element (4), roller is arranged between the pendulum mass and supporting element, it is characterized in that, the rivet (23) includes two headings (25).
Description
Technical field
The present invention relates to a kind of methods for manufacturing pendulum-type damping unit, are especially used for motor vehicles, and pass through
The device that this method obtains.
Background technique
This device, also referred to as pendulum-type oscillation pendulum, it is especially useful in be mounted on the speed changer of motor vehicles.
In motor vehicle transmission, at least one torsion damping system usually with selectively engine can be connect
Clutch to gear-box is related, such as friction clutch or the fluid coupling including lock-up clutch.
Specifically, internal combustion engine generates acyclic behavior, because of the detonation for the generation that follows one another in the cylinder of engine, this
A little acyclic behaviors particular according to cylinder quantity and change.
Damping system generally includes spring and friction fly weight, therefore its task is to filter to be drawn by the acyclic rotation of engine
The twisting vibration risen, and start to work before engine torque is transmitted to gear-box.This allows to prevent that this vibration
It is transmitted to gear-box and causes impact, noise and undesirable noise there.
In order to further improve filtering, other than common damping system, it is known that way be using pendulum-type damp fill
It sets.
One example of pendulum-type damping unit describes in applicant company patent application FR2981714 under one's name.The dress
Set the branch including the annular support member for being driven in rotation around its axis and the pendulum mass made of two parts, at periphery
Along axial each installation one on every side of support member.
Two parts of pendulum mass are riveted together by the spacer of the slot in supporting element.Roller is mounted on each interval
Between the edge of corresponding slot in the runway and supporting element formed on part.
In the apparatus, rivet head is resisted against in the outer radial surface of pendulum mass, and is axially screwed more than these
Face.Volume inswept in operation is relatively large, needs correspondingly to adjust the size of peripheral parts.
Equally in the patent application FR3009853 of applicant company's name, the end of spacer is press-fitted into pendulum
The method in opening in quality eliminates rivet, therefore alleviates this disadvantage.
However, being still conducive to implement by the method for traditional riveting installation pendulum mass, because it, which is provided, compares latter
The simpler advantage of method, although it have the shortcomings that it is other known.
In particular, traditional riveting (riveting with a head and snap-fastener (snap) head jumping-up (upset) end
Nail) do not allow correctly to fill the hole of head end on very big thickness (more than 15mm).
A kind of countermeasure known from method of the invention, i.e., be gradually expanded hole when hole is increasingly closer to jumping-up end, but
It is when end pieces (each part of such as pendulum mass) are identical, this countermeasure does not work.
The filling of rivet side can also be optimized by carrying out bead to head, but cannot be guaranteed whole uniform filling,
This is that spacer is wanted to tolerate required for centrifugal rotation.
Another difficulty is that making hole on sheet material if bore dia is less than the thickness of sheet material.
In a kind of specific pendulum-type damping unit model manufactured by applicant company, since pendulum mass is with 8mm's
Thickness, the diameter that rivet hole needs to have 8mm, and the rivet that nominal diameter is 6mm would be desirable the reason of saving space.
Summary of the invention
Therefore, the present invention relates to a kind of method for manufacturing pendulum-type damping unit, this method alleviates disadvantages mentioned above.
Related method can be moved, the pendulum matter on supporting element comprising steps of assemble at least one pendulum mass
Amount is made of two fly weights, arranges one on every side of the supporting element, is connected to by least one spacer interior
Between face, the spacer passes through the slot in the supporting element, and roller is arranged between the pendulum mass and supporting element.
The method of manufacture pendulum-type damping unit according to the present invention includes preliminary step, which includes:
First stage forms the first hole of the first predetermined diameter using punching press in each fly weight, and the first predetermined diameter is extremely
Few thickness for being equal to these each fly weights；
Second stage forms countersunk in the predetermined depth each of on the outside of fly weight in the first hole using punching press,
The material of the fly weight is upset as the first hole；
Phase III, the second hole of the second predetermined diameter was made using punching press in the first hole；
Difference between the thickness and predetermined depth is at most equal to the second predetermined diameter.
Preliminary step can also include carrying out the stage of reaming to the outside of fly weight around countersunk.Spot face
(spot face) allows outer surface of the reaming far from fly weight.
The depth of reaming and spot face may include preferably existing between the 50% and 70% of the axial width of fly weight
Between 57% and 62%, preferably equivalent to 60%.
In the method for manufacture pendulum-type damping unit according to the present invention, the assembling steps include:
First ray: inserting rivets into each hole, and the rivet is formed by metal handle, the mark of the metal handle
Diameter is claimed to be substantially equal to second predetermined diameter；
- the second sequence: by using snap-fastener to form two headings on the end of the rivet, each heading is basic
It is upper to be included in the countersunk.
When executing spot-facing (spot-facing) stage, when using the end of snap-fastener punch rivet, which makes
Obtain the outer surface that can not damage or deform fly weight.Spot face is also prevented from the outer surface that rivet projects axially beyond fly weight.
In the method for manufacture pendulum-type damping unit according to the present invention, the fill level of countersunk is greater than 80%, preferably
Greater than 90%.
According to the present invention, from the First ray to all operations of second sequence by cold execution.
According to the present invention, fly weight material can be the steel sheets with the first Vickers hardness between 100 and 450Hv.Gold
The material for belonging to handle can have 40 to 100HrB Brinell hardness.
According to the present invention, independently or in combination, the first predetermined diameter can be 8mm, and the second predetermined diameter can be
6mm, predetermined depth can be 2mm, and thickness can be 8mm and the depth of spot face can be 2mm.
The invention further relates to a kind of pendulum-type damping units, including at least one pendulum mass, can move on supporting element,
The pendulum mass is made of two fly weights, is arranged one on every side of the supporting element, is connected by least one spacer
It connects between inner face, the spacer passes through the slot in the supporting element, and roller is arranged between the pendulum mass and supporting element.
According to the present invention, the salient of the rivet is that it includes two headings.
These headings are advantageously at least partly included in the countersunk of the outside of fly weight.
It may include the spot face around countersunk outside fly weight.The depth of countersunk and spot face may include
Between the 50% of the axial width of fly weight and 70%, preferably between 57% and 62%, preferably equivalent to 60%.
In pendulum-type damping unit according to the present invention, the fill level of these countersunks is greater than 80%, preferably greater than
90%.
To those skilled in the art, these a small number of basic specifications are excellent for pendulum-type damping unit according to the present invention
The advantage provided by the prior art is obvious.
Guidance pendulum mass can be positioned between spacer and the edge of slot relative to the roller of the movement of supporting element, spacer
Then it is formed and rolls spacer.As an alternative, roller is arranged in the opening being formed directly into two fly weights and and spacer
Across the slot that separates of slot.In this alternative, the slot in the opening and supporting element in fly weight angularly deviates.
Preferably, the movement of two roller guidance pendulum masses.Preferably, the device include 2 to 8 pendulum masses, preferably 3 to
6.
Detailed description of the invention is given in conjunction with attached drawing in the following description.It should be noted that these attached drawings in addition to
There is no other purposes except the text for illustrating specification, and does not constitute limitation of the scope of the invention in any way.
Detailed description of the invention
Fig. 1 a and 1b are the partial view of pendulum-type damping unit well known in the prior art respectively, it illustrates pendulum mass,
And the axial cross section across the pendulum mass, it is how to be assembled by rivet it illustrates it.
Fig. 2 is according to the present invention for manufacturing the simplified block diagram of the method for pendulum-type damping unit.
Fig. 3 a and 3b are the partial view of pendulum-type damping unit according to the present invention respectively, and it illustrates pendulum masses, and
Across the axial cross section of the pendulum mass, its assembling by rivet is shown.
Specific embodiment
It in pendulum-type damping unit 1 known in the prior art, partly shows in fig 1 a, pendulum mass 2 is flown by two
3 compositions are weighed, position one on every side of annular support member 4.
If the axial cross section of Fig. 1 b is best illustrated in, fly weight 3 by means of at least one spacer 6 (in the example shown for
Three) it is connected between inner face 5, the spacer is fixed by least one rivet (being in the example shown two), rivet
Head 7 and heading 8 protrude past the outside 9 of fly weight 3.
In a way known, spacer 6 includes the runway for roller (not shown), slot of the roller also along supporting element 4
10 edge rolls.
When supporting element 4 is rotated around axis X X' during the pendulum motion of pendulum mass 2, head 7 and upsetting by rivet 7,8
First 8 inswept volumes are relatively large, it means that the size for correspondingly determining peripheral parts, as already mentioned in preamble
Like that.
For manufacturing according to the present invention and the method for pendulum-type damping unit 11 shown in figure 2 alleviates this disadvantage.
In general, this manufacturing method includes step 12: one group of fly weight 13 being assembled on annular support member 4, to be formed
Pendulum-type damping unit 11.
This group of fly weight 13 is usually manufactured during preliminary step 14 by metal sheet 15.
In manufacturing method according to the invention 12,14, preliminary step 14 includes:
First stage 16 makes first diameter in the fly weight 17 obtained by the steel sheets 15 with a thickness of 8mm using punching press
For the first hole of 8mm.Feasibility problems are not present in the first stage 16, because first diameter is at least equal to the thickness of fly weight 17.
Second stage 18 is formed in the depth of 2mm in the first hole on the outside of fly weight 17 9 using punching press and is immersed oneself in
Hole 19 (shown in Fig. 3 b assembling steps 12 at the end of pendulum mass 20), and the metal jumping-up of fly weight 17 is arrived these
In first hole.
Phase III 21 forms the second hole that second diameter is 6mm using punching press in the bottom of the first drilling.Due to
Still the thickness that pierce through in the bottom in the first hole is no more than 6mm, therefore any feasibility is also not present in the phase III 21
Problem, because second diameter is at least equal to the residual thickness.
Thus the one group of fly weight 13 prepared can assemble on the support 4 during assembling steps 12.
In manufacturing method according to the invention, which includes:
First ray 22: the rivet 23 formed by the metal handle that nominal diameter is 6mm is inserted into each second hole；
- the second sequence 24: two headings 25 are formed by using the end of snap-fastener punch rivet 23.As Fig. 3 b understands institute
Show, each of these headings 25 are more or less included in countersunk 19.As a result, rivet 23 will not protrude past fly weight
17, it may be clearly seen that, it illustrates completed knocked down products (partial views) as in Fig. 3 a.During preliminary step 14 can also be arranged in
The stage of spot-facing is carried out, to leave axial distance between rivet 23 and outer surface 9.Spot face can have the depth of 2mm
Degree.
Above-described manufacturing method makes it possible to achieve, and having high-level uniformity is more than 80% countersunk 19
Fill level, this is the benchmark that pendulum mass 20 is firmlyyed hold during centrifugal rotation.
Operation in these assembling sequences 22,24,26 is by cold execution.
Used steel sheets 15 preferably have 100 to 450Hv the first Vickers hardness, and the metal handle of rivet 23 has
There is 40 to 100HrB Brinell hardness sharply.
Self-evident, the present invention is not limited only to above preferred embodiment.
Particularly, illustrated dimension corresponds only to a kind of specific pendulum-type damping unit model of applicant company's exploitation,
It is middle to be assembled using the rivet 23 that nominal diameter is 6mm, and sheet material 15 to be punched has the thickness of 8mm.Art technology
Adjustment manufacturing method according to the invention as needed is adapted to the rivet 23 and other thickness of other nominal diameters by personnel
Sheet material 15.
Therefore, the present invention contains the substitution shape of all possible embodiment in the limitation of the theme of appended claims
Formula.
Claims (10)
1. one kind is for manufacturing the method (12,14) of pendulum-type damping unit (1,11), including step (12): assembling at least one pendulum
Quality (2,20) can move on supporting element (4), and the pendulum mass (2,20) is made of two fly weights (3,17), in institute
It states and arranges one on every side of supporting element (4), be connected between inner face (5) by least one spacer (6), between described
Spacing body (6) passes through the slot (10) in the supporting element (4), and roller is arranged between the pendulum mass and supporting element, which is characterized in that
It includes preliminary step (14), and the preliminary step (14) includes:
First stage (16), form the first hole of the first predetermined diameter in each fly weight (17) using punching press, described the
Thickness of one predetermined diameter at least equal to each fly weight (17)；
Second stage (18) uses pre- depthkeeping of the punching press each of on the outside (9) of the fly weight (17) in first hole
Countersunk (19) are formed on degree, and the material of the fly weight (17) is upset as first hole；
Phase III (21), the second hole of the second predetermined diameter was made using punching press in first hole；
Difference between the thickness and the predetermined depth is at most equal to second predetermined diameter.
2. as described in claim 1 for manufacturing the method (12,14) of pendulum-type damping unit (11), which is characterized in that described
Preliminary step further includes that around the countersunk outside of fly weight (9) are carried out with the stage of spot-facing.
3. it is described in any item for manufacturing the method (12,14) of pendulum-type damping unit (11) as in claims 1 and 2, it is special
Sign is that the assembling steps (12) include:
First ray (22): rivet (23) are inserted into each hole, the rivet is formed by metal handle (23), the gold
The nominal diameter for belonging to handle is substantially equal to second predetermined diameter；
- the second sequence: by using snap-fastener to form two headings (25), each heading on the end of the rivet (23)
(25) it is essentially contained in the countersunk (19).
4. the method (12,14) for being used to manufacture pendulum-type damping unit (11) as described in any one of preceding claims 2 and 3,
It is characterized in that, the fill level of the countersunk (19) is greater than 80%, preferably greater than 90%.
5. the method (12,14) for being used to manufacture pendulum-type damping unit (11) as described in any one of preceding claims 2 to 4,
It is characterized in that, from the First ray (22) to all operations (24) of second sequence (24) by cold execution.
6. the method (12,14) for being used to manufacture pendulum-type damping unit (11) as described in any one of preceding claims 2 to 5,
It is characterized in that, the material is with steel sheets (15) of first Vickers hardness between 100 and 450Hv, and the gold
The material for belonging to handle (23) has 40 to 100HrB Brinell hardness.
7. the method (12,14) for being used to manufacture pendulum-type damping unit (11) as described in any one of preceding claims 1 to 6,
It is characterized in that, first and second predetermined diameter is respectively 8mm and 6mm, the predetermined depth is 2mm, and the thickness
It is 8mm.
8. a kind of pendulum-type damping unit (1,11), including at least one pendulum mass (2,20), can move up in supporting element (4)
Dynamic, the pendulum mass (2,20) is made of two fly weights (3,17), arranges one on every side of the supporting element (4),
It is connected between inner face (5) by least one spacer (6), the spacer (6) passes through the slot in the supporting element (4)
(10), roller is arranged between the pendulum mass and supporting element, which is characterized in that the rivet (23) includes two headings (25).
9. the pendulum-type damping unit (11) as described in preceding claims 8, which is characterized in that the heading (25) is at least partly
In the countersunk (19) of the outside (9) of the fly weight (17).
10. the pendulum-type damping unit (11) as described in preceding claims 9, which is characterized in that the filling of the countersunk (19)
Level is greater than 80%, preferably greater than 90%.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1752347 | 2017-03-22 | ||
| FR1752347A FR3064323B1 (en) | 2017-03-22 | 2017-03-22 | METHOD FOR MANUFACTURING A PENDULUM DAMPING DEVICE AND DEVICE OBTAINED THEREBY |
| PCT/FR2018/050654 WO2018172678A1 (en) | 2017-03-22 | 2018-03-19 | Method for manufacturing a pendulum damping device and device obtained by this method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110325762A true CN110325762A (en) | 2019-10-11 |
Family
ID=58739207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880013426.7A Pending CN110325762A (en) | 2017-03-22 | 2018-03-19 | For manufacturing the method and the device that obtains by this method of pendulum-type damping unit |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR102575108B1 (en) |
| CN (1) | CN110325762A (en) |
| DE (1) | DE112018001521T5 (en) |
| FR (1) | FR3064323B1 (en) |
| WO (1) | WO2018172678A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102190131B1 (en) | 2018-12-28 | 2020-12-11 | 주식회사 카펙발레오 | Pendulum Damper and Torque Converter for Motor Vehicle Having the Same |
| FR3097022B1 (en) * | 2019-06-06 | 2021-06-25 | Valeo Embrayages | PENDULUM CUSHIONING DEVICE |
| CN110640071B (en) * | 2019-09-27 | 2021-02-19 | 陕西科技大学 | Method for riveting medium-thickness metal plate without protrusions on two sides |
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- 2018-03-19 DE DE112018001521.1T patent/DE112018001521T5/en active Pending
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| US20060124426A1 (en) * | 2002-10-23 | 2006-06-15 | Hasse & Wrede Gmbh | Viscous torsional vibration damper comprising cooling channels |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102575108B1 (en) | 2023-09-05 |
| FR3064323A1 (en) | 2018-09-28 |
| WO2018172678A1 (en) | 2018-09-27 |
| FR3064323B1 (en) | 2019-03-22 |
| DE112018001521T5 (en) | 2019-12-05 |
| KR20190126813A (en) | 2019-11-12 |
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Application publication date: 20191011 |