CN107344223A - Method, riveting device and the manufacturing equipment of at least two components are connected by riveting device - Google Patents
Method, riveting device and the manufacturing equipment of at least two components are connected by riveting device Download PDFInfo
- Publication number
- CN107344223A CN107344223A CN201710304835.XA CN201710304835A CN107344223A CN 107344223 A CN107344223 A CN 107344223A CN 201710304835 A CN201710304835 A CN 201710304835A CN 107344223 A CN107344223 A CN 107344223A
- Authority
- CN
- China
- Prior art keywords
- rivet
- punching head
- component
- riveting
- contact site
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/12—Riveting machines with tools or tool parts having a movement additional to the feed movement, e.g. spin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/025—Setting self-piercing rivets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
- B21J15/285—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups for controlling the rivet upset cycle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The present invention relates to for by means of riveting device（10）Connect at least two components（11、12）Method, wherein, at least two component（11、12）It is arranged in punching head（15）With cooperation fixed mount（18）Between, wherein, it is arranged in the punching head（15）With the component of the direction punching head of at least two component（11）Between rivet（20）By means of the punching head（15）It is pressed at least two component（11、12）In, method is：The punching head（15）Loaded using power, wherein, set during at least one component participated in when being pressed into the rivet, especially described punching head in the press-in by means of vibration machine in vibration, wherein, the change curve of the contact site between the punching head and the rivet is asked for during the press-in, and is related to riveting device and manufacturing equipment.
Description
Technical field
The present invention relates to a kind of method for being used to be connected at least two components by means of riveting device, one kind is used to perform
The computing unit of this method, a kind of riveting device and a kind of manufacturing equipment with such riveting device.
Background technology
Method for sleeving and riveting is used for the component especially entirely constructed at least two in join domain（Engagement pair）
It is connected.Sleeving and riveting method is characterised by, it is not necessary to needs the pre-manufactured hole of connected component each other.In fact, rivet is by means of punching
Head or punching instrument can be pressed at least two component, wherein, pass through what is correspondingly shaped（Such as using former as
Form）It is ensured that with the cooperation fixed mount of punching instrument mating reaction, rivet is in a particular manner with method each other
Need deformation in connected component, to establish power transmission cooperation and form fit connection between said members upon, and together
When avoid the component departing from the rivet from penetrating.
In addition, the known so-called ultrasonic wave punching for example from the Bl of EP 2 318 161 or the Al of DE 10 2,014 203 357
Rivetting method, wherein using vibration machine, such as supersonic generator, so as to the feelings for connecting one or more assemblies in component
It is placed in condition in vibration.For example reduce the power for needing to be spent for being pressed into rivet by this vibration.
The content of the invention
According to being used to by means of riveting device connect at least two invention proposes one kind of the feature with the present invention
The method of individual component, a kind of computing unit for its execution, a kind of riveting device and a kind of manufacturing equipment.Favourable design
Scheme is the theme of preferred embodiment and other embodiments and ensuing explanation.
Invention advantage
The method according to the invention is used to connect at least two components by means of riveting device.Here, at least two structure
Between part is arranged in punching head and coordinates fixed mount, the direction punching head of punching head and at least two component is arranged in
Component between rivet be pressed into by means of the punching head at least two component, method is：The punching head
Loaded and at least one component participated in when being pressed into the rivet, especially described punching head in institute using a kind of power
Set when stating press-in by means of vibration machine in vibration.Here, asked for during the press-in in the punching head and
The change curve of contact site between the rivet, change curve especially in time.Herein can be so-called half
Tubular rivet and so-called solid rivet are interpreted as rivet.
In traditional sleeving and riveting method, it can be considered that a kind of power, the masterpiece is the quality evaluation for the sleeving and riveting technique
Punching head position function.Here, be capable of such as research is, if the power change curve is in certain limiting value, example
As moved in so-called envelope curve.In a kind of sleeving and riveting method（Wherein, vibration is added in the join domain, example
As method is：Punching head is set into vibration）, such power change curve can no longer be considered in most instances
Quality evaluation, because being vibrated to the power of the punching head due to the vibration.Respectively according to the measurement position for the power,
The sampling rate or sensitiveness of the type of measurement and the measuring apparatus, said power change curve can more by force or less
Vibrate by force.This point hinder it is many using required quality evaluation in the industry because the commonly used limit
Value is nonsensical herein.
Differently, the change by detecting the contact site during press-in between the punching head and rivet is bent
Line, the feasible program for quality evaluation can be also provided for the sleeving and riveting method with vibration coupling.For this reason for be,
By this change curve of the contact site, the judgement on riveting process can be reached, because in the riveting according to regulation
During, the contact site change curve through restriction is precondition, this can by ask for the change curve of the contact site come
Identification.Such as thus, it is possible to ensure a kind of effective riveting process, method is：Check the contact site change curve as far as possible
Optimal change curve.If it is not the case, it then can for example reach countermeasure.Also what can also be identified is, if frequency
（The contact site is closed and opened with the frequency）Whether frequency corresponding to the vibration for example has harmonic motion.Institute
Different related points can also also be identified by stating in the change curve of riveting process.Herein it is appropriate that the change curve
Ask for carrying out online or in real time, because then can carry out being used to eliminate failure if necessary even during riveting process
Measure.
General effective technique and quality evaluation standard（As they can provide that using the method according to the invention
Sample）It is also normally the basic premise for new technology being incorporated into serial application.
Advantageously, the change curve of the contact site between the punching head and the rivet is by means of rushing including
Electricity is carried out in the region of at least one contact position between head and rivet processed during press-in to ask for.Preferably, here, in institute
Stating the change curve of the contact site between punching head and the rivet can be connect by what detection was declined over the region
Pressure of getting an electric shock and/or the electric current that flows in this region are asked for.So as to for example so produce at the region
Voltage：That is, voltage source is attached to the region and the resistance to this concatenation.The contact voltage declined over the region is right
The magnitude of voltage of the voltage source is for example nearly corresponded to afterwards（When contact site is not present between punching head and rivet）, and press
Measured according to the ratio of the resistance and the resistance in the region, using the contact site between punching head and rivet.If example
As extraly, an other resistance is relative to the regions in parallel, then in the region（With the other resistance）It is enterprising
The contact voltage that row declines is almost nil when contact between punching head and rivet be present, and between punching head and rivet
Measured when being not in contact with according to the ratio of the resistance and the other resistance.The electric current is for example now zero：Work as
When contact being not present between punching head and rivet.Substitute voltage source, can also use current source, can be set in the current source
The fixed electric current.The change curve of the contact site can be asked in a straightforward manner in such ways.
Preferably, on the other hand, can between one of the punching head and the rivet, the component or cooperation fixed mount
Apply voltage and/or electric current.Here, in each situation in such cases, the correlation between punching head and rivet is detected
Contact position.It is most suitable to be used to apply voltage or the position of electric current herein be for example respectively according to the riveting device
Specific structure selects.Voltage contacts/galvanic contact at the cooperation fixed mount for example can enduringly keep maintaining,
And differently, voltage contacts/galvanic contact at component may realize less resistance.
Pointedly, as at least one component at least two component, component that can be conductive is used.It is aobvious
So, herein respectively according to position（Voltage or electric current are applied with the opening position）, can in no one of component component
Conductive, component can it is conductive also or whole components can be conductive.Apply voltage or electric current between punching head and rivet
When, any one component in the component need not for example can be conductive, differently, apply in punching head and coordinating between fixed mount
All components allow for conduction when voltage or electric current.Apply between punching head and component towards the rivet voltage or
During electric current, it is necessary to which for example only this component can be conductive.Respectively in the way of the application of the voltage or electric current, it is impossible to lead
The component of electricity thus can also be connected by means of current method and monitor the riveting process herein.Herein, as institute
State the material of component, such as it can be considered that aluminium flake, aluminium casting, steel disc, hot formed steel, magnesium material certainly also and carbon fiber is strong
The plastics of change.Here, it is noted that less conductivity also can be enough.
Advantageously, the change curve of the contact site between the punching head and the rivet during press-in by means of examining
The optical permeability for the contact position surveyed between punching head and rivet is asked for.Here, especially described optical transmission
Performance is enough to be asked for by means of detecting optical signal, in signal orientation to the region including the contact position.As standby
Scheme or additional aspects are selected, such optical detection can be considered for the change curve of contact site described in electro-detection.
Here, the contact site change curve also can very simply be detected.Especially, by this way, a kind of qualitatively assess is also
Feasible, because the light quantity being for example detected shows as the yardstick for the spacing between punching head and rivet.In addition, not
Conductive component can also be connected.
Advantageously, the sampling rate when detecting the change curve of the contact site is calculated as being produced by the vibration machine
At least five times, especially at least ten times of the frequency of raw vibration, the frequency is for example corresponding between 15 and 35 kHz.By this way
Extra harmonic motion can be for example identified, the harmonic motion can also be considered for evaluating the riveting process.
Preferably, from the change curve of the contact site between punching head and rivet, ask for during the press-in
The quantity of contact site between punching head and the rivet, the duration of the contact site, holding between two contact sites
Continuous time and/or percentile contact site change curve.These values realize the other or more preferable of the riveting process
Evaluation.
Advantageously, the change curve of the contact site is especially graphically shown on display part.Herein, it can be preferred
Ground for example refers to a kind of display, graphically illustrates the change curve on the display.This is for example for the punching
The operator of riveting device realizes particularly simple and observable the signal of the change curve, and the operator is thus, it is possible to very
Rapidly judge the riveting process.
Advantageously, the change curve of the contact site and the sleeving and riveting procedure correlation of subordinate and it is stored in storage medium
On.Thereby, it is possible to record the riveting process and its quality.For example, it can be readily ascertained by or explain later by this way
Release wrong riveting connecting portion.In addition, the application for industry generally specify such record.Here, the record can be borrowed
Help data wire progress, without cable, for example can also be carried out certainly by WLAN.
Preferably, the change curve of the contact site is used for the quality evaluation of the vibration characteristics of riveting device, the punching
The quality evaluation of the tensioning characteristic of riveting device, the quality evaluation of the sleeving and riveting process of subordinate and/or at least two component
The quality evaluation of caused connecting portion during this sleeving and riveting.Here, such quality evaluation being capable of also for example, at least part
Ground is carried out automatically, so as to which the operator of such as riveting device is automatically prompted to following aspect, i.e., ought generate it is poor or
During the wrong riveting connecting portion of person.By evaluating the vibration characteristics and/or the tensioning characteristic, namely consumed it is used for institute
Component and/or the firm tensile force remained on the rivet of the power are stated, the setting of the riveting device can be realized herein
Amendment.Therefore, it is possible to evaluate the vibration characteristics and/or the tensioning characteristic, because the wrong of the riveting device sets
Surely can it for example caused be the time of contact（Duration with contact site continues relative to without contact site
Time）Thus and the quantity of the percentile contact site change curve and the contact site changes, or the riveting
Nail and the punching head inversely also or in the same direction vibrate.
Sound generator, especially supersonic generator, such as simulation or numeral are used advantageously as vibration machine
Generator.Here, it refers to the simple method for producing vibration.In addition, sent out in a kind of sound generator or ultrasonic wave
In raw device, power can be simply detected.
According to the computing unit of the present invention, such as control unit or controller for riveting device, especially in program
Technical elements are arranged for performing the method according to the invention.Here, such computing unit can preferably be also provided with using
In：Manipulate necessary detection device or even also at least partly include this detection device.Here, computing unit is generally natively
Voltage supply portion is attached to, then the voltage supply portion for example can suitably be used.
According to the present invention riveting device have punching head, coordinate fixed mount, vibration machine and for described at least
Two components are pressed into the pressing device at the cooperation fixed mount during the press-in of rivet.In addition, the riveting device tool
There is detection device, the change of the contact site during press-in between punching head and rivet can be asked for by means of the detection device
Curve.It is achieved in this manner, in the case of the riveting device with suitable detection device is used, asks for riveting
The change curve of the contact site between punching head and rivet during process.In remaining situation, in order to avoid on basis
The repetition of the additional advantage of the riveting device of the present invention, with reference to the above-mentioned embodiment for the method according to the invention.
Advantageously, the detection device has voltage source or current source and Voltage measure and/or current measurer, its
In, it can include at least one contact position between punching head and rivet by means of the voltage source or current source
Apply voltage or electric current at region.
Preferably, the pressing device and/or the holding meanss electricity for coordinating fixed mount relative to the riveting device
Insulation, they are arranged in the holding meanss.On the other hand, can be for example the material being suitably electrically insulated such as plastics or ceramics
Installed in corresponding opening position.By this way, avoid by the holding meanss or set further across whole manufacture
It is standby（The riveting device can be arranged at the manufacturing equipment）Voltage tributary or electric current tributary.This realizes more preferable survey
Measure result.
Advantageously, the detection device has optical signal source and optical sensor, and they are so arranged：So that
Contact position between the punching head and the rivet be located at the optical signal source and the optical sensor it
Between.
Riveting device according to the present invention and the computing unit according to the present invention are had according to the manufacturing equipment of the present invention, and
And preferably also there is display part, the display part is configured to：Especially graphically be illustrated in the punching head and the rivet it
Between contact site change curve.
In order to avoid the repetition of the additional advantage on the riveting device according to the present invention, with reference to for according to the present invention
Method and according to the present invention riveting device above-mentioned embodiment.
Implement this method in the form of a computer program to be also advantageous, because this can produce especially low cost, especially
It is when executory controller can be additionally used in other tasks and therefore natively set.For providing computer program
Suitable data medium especially magnetic, light and electric memory, such as hard disk, flash memory, EEPROM, DVD etc..Also can
Via computer network（Internet, Ethernet etc.）Program is downloaded.
The further advantage and structural scheme of the present invention is drawn from specification and appended accompanying drawing.
Obviously, the above-mentioned and following feature also to be explained can not only be used in the combination correspondingly illustrated
In, it could be used that in others combine or be used alone, without departing from the framework of the present invention.
The present invention is schematically shown and retouched in detail hereinafter with reference to accompanying drawing according to the embodiment in accompanying drawing
State.
Brief description of the drawings
Fig. 1 is simplified and schematically illustrates the manufacturing equipment according to the present invention in one preferred embodiment；
Fig. 2 a to 2d show the riveting device in the different stages of the execution of sleeving and riveting method；
Fig. 3 schematically illustrates the riveting device according to the present invention in one preferred embodiment, and the riveting device is adapted to
For performing the method according to the invention；
The sleeving and riveting according to the present invention according to the present invention that Fig. 4 is schematically illustrated in an other preferred embodiment fills
Put, the riveting device is suitable for carrying out the method according to the invention；
Fig. 5 schematically illustrates the riveting device according to the present invention according to the present invention in one preferred embodiment, should
Riveting device is suitable for carrying out the method according to the invention.
Embodiment
Simplify in Fig. 1 and schematically illustrate the manufacturing equipment according to the present invention in one preferred embodiment
100.The manufacturing equipment 100 can be referred to for example for example for the industrial machine in the manufacturing shop of body of a motor car manufacture
People.It is of course possible to consider fixed manufacturing equipment, such as with being not provided with mechanical arm can moving or can adjusting
Fixed frame bracket.
Here, the manufacturing equipment 100 have be arranged in bearing structure 3 on bottom and two arrangements in this place, that
This connected and arm 4 and 5 that is can moving.Riveting device 10 is disposed with the end of the arm 5, in figure 3 in further detail
Ground illustrates the riveting device.
Further there is illustrated a kind of computing unit 80, and it for example refers to the control unit for the riveting device 10.Institute
State computing unit 80 also can also be provided for whole manufacturing equipment as control unit, that is, except the riveting device it
The outer also arm particularly for that can be moved described in manipulation.In addition, setting display part 90, such as display, can be shown thereon
Such as the real-time operational factor of the riveting device.
Riveting device 10 in the different stages that Fig. 2 a illustrate in sleeving and riveting method into 2d.Riveting device 10 has
Punching first 15, cross section of the punching head for example with circle.
Punching first 15 is radially surrounded by the pressing device 16 of sleeve shaped and relative to the pressing device along longitudinal energy
It is enough movably to arrange.Especially, the punching first 15 and drive device not shown here, such as hydraulic pressure or pneumatic driving fill
Coupling is put, the drive device is used for：In order to which rivet 20 to be pressed into the power F in described two components 11,12 and needed for applying.
Similarly, pressing device 16 is set and be used for, using thrust towards the surface of the component 11 towards punching first 15
Extruded.On the other hand, the drive device of itself can be for example set.But the pressing device also can be for example by spring
Coupled to the drive device of punching first 15.
It is disposed with two being opposite on the sidepiece of punching first 15 and pressing device 16 for component 11,12 as cooperation fixation
Erect the former 18 of effect.Former 18 equally can be raised and declined on the direction of longitudinal axis 19, and punching first 15 and compression fill
Putting 16 also can movably arrange in this direction.Pressing device 16 and former 18 are used for：Described two components 11,12 are compressing
Keep its previously given to fasten or press and consolidate by punching first 15 during processing between device 16 and former 18
Position.Former 18 has a smooth upside 21 on the sidepiece towards component 12, cavity shape or channel-shaped（kuhlenförmig）
Space 22 using the upside as starting point.
Rivet 20（Here it is, for example, semitubular rivet）Preferably by relative to two structures at least in the region of rivet rod 24
The material that the material of part 11,12 is harder is formed.Departing from component 11 smooth upside 26 be arranged in it is effective with punching first 15
In connection, rest at the upside 26 of rivet 20 the punching head plane.Thus, the upside 26 of the rivet is shown as in rivet
Contact position 27 between punching head.
Punching first 15 is effectively connected with the vibration machine 30 for producing vibration or flutter.Especially, shaken by means of described
Dynamic generator 30, produces and carries between 10 μm and 110 μm（Namely the amplitude from 5 μm to 55 μm）The width that shakes（In vibration most
Spacing between big positive amplitude and negative amplitude）And the ultrasonic activation of the frequency between 15 kHz and 35 kHz.
These vibrations 15 are coupled in rivet 20 from vibration machine 30 by punching first 15.The flutter of vibration machine 30
The direction that is coupled into can be with regard to this for example parallel to longitudinal axis 19（Longitudinal direction）Namely parallel to rivet 20 into rivet 20 or component
11st, direction of engagement in 12 is carried out.In the same manner, sound is coupled to the rivet 20 or component with can also distorting
11st, in 12.The vibration machine 30 is connected to the computing unit 80 and can manipulated by this computing unit.
The shown stage shows as the starting of sleeving and riveting method in fig. 2 a, and wherein, rivet rod 24 reaches and the component 11
Upside effective connection in.Here, punching first 15 is extruded towards the component 11 towards punching first 15 using power F.
In the other stage shown in figure 2b, namely during the further change curve of riveting process and
Under the auxiliary in the vibration being coupled in component 11,12, rivet rod 24 is cut or stamped in component 11 first.Here, two
Component 11,12 moulding crust deformations, wherein, the space is pressed into corresponding region towards the component 12 in the space 22
In 22.
The rivet 20 corresponding to Fig. 2 c further movement travel or it is further move downward during, rivet rod 24 exists
It is flared out in the region in space 22, so as to which described two components 11,12 are axially securely shape-ordinatedly matched somebody with somebody with power transmission
It is connected with each other with closing.
It is mainly that, corresponding to Fig. 2 d for the terminal location for showing rivet 20, rivet rod 24 is outside not from component 12 herein
Stretch out or incompletely penetrate the component.
After the terminal location that rivet 20 has reached shown in figure 2d（In the terminal location, the upside of rivet 20
26 at least almost terminate with flushing with the upside of the component 11（This is being the metal riveting of countersunk head rivet element with rivet element
It is common in socket part, typically the element with flat round head is also constructed in plastic riveting portion））, following punching first 15 is again
It is secondary to be moved upwards along opposite direction from component 11,12.
The riveting device 10 ' according to the present invention in one preferred embodiment is now shown in figure 3.It is described
Riveting device 10 ' in differences of Fig. 2 a to the riveting device 10 shown in 2d with being, the inner side of the pressing device 16 ' and institute
The outside 15 for stating punching first 15 is spaced.It is able to ensure that, is not produced between punching first 15 and pressing device 16 ' by this way
Raw electrical contact.
In addition, the pressing device 16 ' has dead ring 41, the dead ring is by material group be electrically insulated or opaque
Into.In addition, also adding dead ring 41 at the downside of the former 18, the dead ring is equally by being electrically insulated or opaque
Material forms.Thus, the riveting device 10 ' including the punching first 15 be arranged on dead ring 41 and dead ring 41 it
Between region electricity ground be electrically insulated relative to unshowned support herein, at the support, the former 18 can pacify
At the downside for the view being mounted at shown in Fig. 3, and the pressing device 16 ' can be arranged on view shown in figure 3
Upside at.
Further there is illustrated a kind of circuit arrangement 81, the circuit arrangement has voltage source 50, and the voltage source is attached to the punching
System first 15 and the former 18.Here, it is disposed between the punching first 15 and the voltage source 50 relative to including described
The resistance R that punching is first 15, the region of rivet 20, component 11,12 and former 18 is connected1.Rushed here, this region includes
Make the contact position 27 between first 15 and rivet 20 and form resistance herein, the resistance is referred to as R3.In addition, resistance R2Parallel
In the resistance R3Arrangement.By means of Voltage measure 51, can ask in the region or R3With the resistance R parallel with this2On
The voltage declined.
Here, the circuit arrangement 81 can be a part for the computing unit 80.Thus, the voltage source 50（Its
It is preferred that provide constant voltage）And the Voltage measure 51 also can be thus a part for the computing unit 80.
The computing unit 80 thus for example can be simply by two connections to punching first 15 and former 18.Obviously, to this
Suitable contact position or coupled position are provided with punching first 15 and at the former 18.
Shown in figure 3 riveting device 10 and the circuit arrangement 81 should be now utilized to be described below excellent at one
The method according to the invention in the embodiment of choosing.
The riveting process in itself namely the rivet 20 be pressed into the component 11,12 herein in this wise or
Similarly run, as being explained in Fig. 2 a into 2d for traditional sleeving and riveting method with vibration machine.
But during riveting process, now in a continuous manner, it is being provided by the voltage source 50 and
Here in the resistance R2On the voltage that is declined be applied between the punching first 15 and the former 18.
When punching is first 15, electrical contact be present between rivet 20, component 11,12 and former 18, the resistance R3Value
Towards zero trend.It means that voltage will not be measured by the Voltage measure 51, because the voltage falling
（zusammenbricht）.
Also it should be mentioned that in this opening position, the component for participating in the voltage measurement pointedly can be conductive.This is right
In the punching is first 15, general originally described situation for rivet 20 and the former 18.It is described to have structure to be connected
Part, accordingly equally can be conductive in the embodiment that component 11,12 described herein should be as shown here.Here, the structure
The size of the conductivity of part is not necessarily very high, because low conductivity namely the resistance R that can not ignore3Only result in
Limited but relatively low voltage.This is for example in carbon fiber-reinforced plastics（CFK）In be the situation.
Differently, if punching is first 15, the electrical contact of connection is not present between rivet 20, component 11,12 and former 18
Portion, the resistance R3Value towards unlimited trend.It means that corresponded to by the voltage measured by the Voltage measure 51
In the resistance R2On the voltage that is declined.If the resistance R1And R2Such as size is identical, namely if R1=R2, then survey
The half of the voltage provided by the voltage source 50 is provided.
In the resistance R that can not ignore3Namely in the case of poor component 11,12 that can be conductive, can so it select
The resistance R1And R2：So that the voltage when contact site that can also be distinguished between punching head and rivet has been opened and closed
Value.
Here, usually, the electrical contacts between punching first 15 and rivet 20 can be interrupted.Here, the contact site
This interruption be as by the vibration machine 30 and set to the punching first 15 in vibration and caused by, and the rivet
20 are typically firmly placed at least one component in the component 11,12.Thus, by means of passing through the voltage measurement
The change curve in time of the voltage measured by device 51, contact site between punching head and rivet can be asked for
Change curve in time.
For evaluation, for example contact frequency can be exported from the contact site change curve.
For a preferable signal, example can be shown relative to the position of the punching head during the press-in of rivet
Such as contact frequency, when this position is equally detected by suitable device.This realize the simple of the riveting process and
Quickly evaluation.
It is also noted that when for example additionally applying voltage between the pressing device 16 ' and component 11, it is described
Component 12 need not can be conductive.
Figure 4 illustrates the riveting device 10 ' according to the present invention in another preferred embodiment.The punching
Riveting device 10 ' riveting device for example just as shown in Figure 3 can be built like that herein.But herein, substitution tool
There is the circuit arrangement of voltage source and Voltage measure, there is provided the circuit arrangement 82 with current source 60 and current measurer 61.
Equally, the circuit arrangement 82 can be a part for the computing unit 80.
When performing the method according to the invention in one preferred embodiment, herein during riveting process
Now provide the electric current applied by the current source 60.If now between the punching first 15 and the former 18
The connecting portion or contact that can be conducted are established, then the electric current starts to flow.Now, existing electric current can be by suitable
The assessment circuit of electronics or current measurer 61 monitor and are supplied to e measurement technology as numeral or simulation signal
Portion.In remaining situation, the embodiment with reference to being made on Fig. 3.
Figure 5 illustrates the riveting device 10 ' according to the present invention in another preferred embodiment.At this
In, the difference of the riveting device 10 ' and shown riveting device in figures 3 and 4 is that optical signal source 70 is for example
Laser or high-capacity LED（High-capacity LED）Being provided with if necessary with optical sensor 71 such as photodiode has for example
Rise time in ns scopes（Anstiegszeit）Amplifier.
Signal source 70 and sensor 71 are for example arranged in the opposed of the outside punching first 15 of the pressing device 16 ' herein
In the height of contact area on sidepiece and between punching first 15 and rivet 20.The pressing device 16 ' can now for example
With the space 72 for example by groove in the form of, so as to be radiated between punching head and rivet by means of the signal source 70
Contact area.If contact is not present between punching head and rivet, the light of the optical signal or the signal source 70
Line reaches the sensor 71.By the way that the sensor 71 is attached to the computing unit 80, now can for example ask for
Temporal contact site change curve.
Herein, it is noted that consider the relative motion between punching head or contact position and pressing device.So as to,
Can it is for example elongated and/or flat, especially select the signal source and the sensor rectangle.But the signal source and
The sensor for example can be together sent also by suitable arrangement as punching head moves.
Claims (21)
1. one kind is used for by means of riveting device（10）Connect at least two components（11、12）Method, wherein, described at least two
Individual component（11、12）It is arranged in punching head（15）With cooperation fixed mount（18）Between, wherein, it is arranged in the punching head（15）With
The component of the direction punching head of at least two component（11）Between rivet（20）By means of the punching head（15）
It is pressed at least two component（11、12）In, method is：Utilize power（F）Load the punching head（15）, wherein, extremely
Few one is being pressed into the rivet（20）When the component that is participated in（11、12、15、18、20）, especially described punching head（15）Institute
By means of vibration machine when stating press-in（30）Set in vibration, it is characterised in that asked for during the press-in described
Punching head（15）With the rivet（20）Between contact site change curve.
2. in accordance with the method for claim 1, wherein, in the punching head（15）With the rivet（20）Between contact site
Change curve including in punching head（15）And rivet（20）Between at least one contact position（27）Region in
The rivet（20）Press-in during carry out electricity ask for.
3. in accordance with the method for claim 2, wherein, in the punching head（15）With the rivet（20）Between contact site
Change curve can be by detecting the electric current by the region and the contact voltage that declines and/or flowing by the region
To ask for.
4. according to the method described in Claims 2 or 3, wherein, in punching head（15）And rivet（20）, the component（11、12）
One of or coordinate fixed mount（18）Between apply voltage and/or electric current.
5. the method as any one of preceding claims, wherein, component that can be conductive is used as described at least
Two components（11、12）At least one of.
6. the method as any one of preceding claims, wherein, in the punching head（15）With the rivet（20）It
Between contact site change curve by means of during the press-in detect in punching head（15）And rivet（20）Between it is described
Contact position（27）Optical permeability asked for.
7. in accordance with the method for claim 6, wherein, the optical permeability is asked by means of detecting optical signal
Take, signal orientation, which arrives, includes the contact position（27）Region on.
8. the method as any one of preceding claims, wherein, when asking for the change curve of the contact site, sampling
Speedometer is by the vibration machine（30）At least five times, especially at least ten times of the frequency of caused vibration.
9. the method as any one of preceding claims, wherein, from punching head（15）And rivet（20）Between connect
In the change curve of contact portion, ask for during the press-in in punching head（15）With the rivet（20）Between contact site number
Amount, the duration of the contact site, the duration between two contact sites and/or the change of percentile contact site are bent
Line.
10. the method as any one of preceding claims, wherein, in display part（90）On especially graphically displaying described in
The change curve of contact site.
11. the method as any one of preceding claims, wherein, the change curve of the contact site and the sleeving and riveting of subordinate
Procedure correlation and store on a storage medium.
12. the method as any one of preceding claims, wherein, the change curve of the contact site is used for sleeving and riveting dress
Put（10）The quality evaluation of vibration characteristics, the riveting device（10）The quality evaluation of tensioning characteristic, the sleeving and riveting mistake of subordinate
The quality evaluation of journey and/or at least two component（11、12）The product of caused connecting portion during this sleeving and riveting
Matter is evaluated.
13. the method as any one of preceding claims, wherein, as vibration machine（30）Occurred using sound
Device, especially supersonic generator.
14. one kind is used for riveting device（10）Computing unit（80）, it is configured to perform is appointed as in preceding claims
Method described in one.
A kind of 15. riveting device（10）, it has punching head（15）, coordinate fixed mount（18）, vibration machine（30）With for
At least two component in rivet（20）Press-in during be pressed into the cooperation fixed mount（18）The pressing device at place
（16’）, it is characterised in that detection device, it can be detected during the press-in in punching head by means of the detection device（15）With
Rivet（20）Between contact site change curve.
16. according to the riveting device described in claim 15, wherein, the detection device has voltage source or current source（50、
60）And Voltage measure（51）And/or current measurer（61）, wherein, by means of the voltage source or current source（50、60）Energy
It is enough to include at least one contact position between punching head and rivet（27）Region at apply voltage or electric current.
17. according to the riveting device described in claim 15 or 16（10）, wherein, the pressing device（16’）And/or described match somebody with somebody
Close fixed mount（18）Relative to the riveting device（10）Holding meanss electric insulation, they are arranged in the holding meanss.
18. according to the riveting device any one of claim 15 to 17, wherein, the detection device has optical letter
Number source（70）With optical sensor（71）, they are so arranged：So that in the punching head（15）With the rivet（20）
Between contact position（27）Positioned at the optical signal source（70）With the optical sensor（71）Between.
A kind of 19. manufacturing equipment（100）, it has according to the riveting device any one of claim 15 to 18（10）With
According to the computing unit described in claim 12（80）, and preferably also there is display part（90）, the display part is configured to：
The change curve for the contact site being especially graphically illustrated between the punching head and the rivet.
A kind of 20. computer program, when the computer program is in computing unit（80）During upper implementation, the computer program promotes institute
State computing unit（80）Perform the method as any one of claim 1 to 13.
21. a kind of storage medium that can be machine-readable, the storage medium with storage on the storage medium according to claim
Computer program described in 20.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016207697.3A DE102016207697A1 (en) | 2016-05-04 | 2016-05-04 | Method for connecting at least two components by means of a punch riveting device, punch riveting device and manufacturing device |
| DE102016207697.3 | 2016-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107344223A true CN107344223A (en) | 2017-11-14 |
Family
ID=60119591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710304835.XA Pending CN107344223A (en) | 2016-05-04 | 2017-05-03 | Method, riveting device and the manufacturing equipment of at least two components are connected by riveting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107344223A (en) |
| DE (1) | DE102016207697A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909435A (en) * | 2017-12-12 | 2019-06-21 | 罗伯特·博世有限公司 | For placement unit, the stamping riveting device of stamping riveting device and for the method for connecting elements |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918361B (en) * | 2022-06-06 | 2023-08-22 | 山东大学 | Low-frequency auxiliary self-piercing riveting device and riveting method using same |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102016207697A1 (en) | 2017-11-09 |
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Application publication date: 20171114 |