CN105689624A - Electroplastic friction spin-riveting device and method for semi-hollow rivet - Google Patents
Electroplastic friction spin-riveting device and method for semi-hollow rivet Download PDFInfo
- Publication number
- CN105689624A CN105689624A CN201610074412.9A CN201610074412A CN105689624A CN 105689624 A CN105689624 A CN 105689624A CN 201610074412 A CN201610074412 A CN 201610074412A CN 105689624 A CN105689624 A CN 105689624A
- Authority
- CN
- China
- Prior art keywords
- riveting
- rivet
- pressure rod
- hollow
- semi
- 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
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/027—Setting rivets by friction heating
-
- 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
- B21J15/12—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
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses an electroplastic friction spin-riveting device and method for a semi-hollow rivet. The device comprises a spin-riveting pressurization rod, the semi-hollow spin rivet, a blank holder and a concave die, wherein the spin-riveting pressurization rod and the semi-hollow spin rivet are located above a workpiece, the spin-riveting pressurization rod is coaxially sleeved with the blank holder, and the concave die is located below the workpiece. The spin-riveting pressurization rod is connected to a pressurization torque device and a power source. The method comprises the steps that the semi-hollow spin rivet is pressed by the spin-riveting pressurization rod to be in contact with the workpiece, the semi-hollow spin rivet and the workpiece are powered by the power source through the spin-riveting pressurization rod, so that the workpiece generates an electroplastic effect to soften, meanwhile, the spin-riveting pressurization rod presses down constantly and rotates at high speed till the workpiece is pierced, and mechanical self-locking of the semi-hollow spin rivet is formed; and then direct current is output by the power source, and the semi-hollow spin rivet and the workpiece are in metallurgical connection. The electroplastic effect and friction spin-riveting are combined, the probability of connecting defects is reduced, brittle compounds generated between dissimilar metal are effectively controlled, finally metallurgical bonding is generated to the workpiece, and the bearing load of a connector is improved.
Description
Technical field
The present invention relates to the technical field that thin-slab structure connects, specifically, be a kind of semi-hollow utilizing electro plastic effect to realize rotation riveting rivet friction rotation riveting technology。
Background technology
Along with the sustained and rapid development of Global Auto industry, domestic and international automobile pollution increases substantially, and by 2010, Global Auto recoverable amount was first more than 1,000,000,000。As a kind of typical energy source consumption and discharge carrier, automobile has become one of main source of our times petroleum resource consumption and pollutant emission。
Numerous studies have shown that both at home and abroad, automotive light weight technology is one of most effective measure reducing energy consumption, emissions-reducing。Data show: automobile often reduces 100kg, can save fuel oil 0.3～0.5L/ (100km), can reduce CO2Discharge 8～11g/ (100km)。A large amount of use lightweighting materials are to realize the means that vehicle body significantly loss of weight is maximally efficient, and " many material lightweights structure " is the important method of automobile lightweight。By appropriate design, make variety classes, the light-alloy of intensity rank, steel etc. be applied to vehicle body different parts place, be the effective way realizing body lightening。
Particularity in weldability of various high-strength vehicle steel, aluminium alloy and the vehicle body military service performance requirement improved constantly, no matter the self-pierce riveting technique to traditional resistance spot welding process or advanced person, all propose brand-new challenge。In order to promote the lightweighting materials application in automobile making such as aluminium alloy age-hardenable, unimach, meet quality of connection, extensive automatization criticizes product requirement simultaneously, need badly and develop a kind of novel dissimilar material joining efficient, reliable theory and technique skill method, accelerate China's automotive light weight technology application technology development。
As it was previously stated, in the manufacture of lightweight body of a motor car, existing method of attachment can not meet super-high strength steel/mild steel, unimach/duralumin, hard alumin ium alloy xenogenesis connects。Adopt resistance spot welding that aluminum/steel dissimilar material is attached, it may appear that the problem that the strength of joint caused because of compound layer embrittlement between load interface metal is low, absorption at break can be low。Adopt self-pierce riveting to there will be high-strength steel deformation difficulty, easily occur connecting defect, and be dependent on what mechanical self-latching realized owing to self-piercing riveting joint connects, therefore its just to stretch bearing capacity relatively low, cause integrally-built anti-collision hydraulic performance decline。
Summary of the invention
The technical problem to be solved in the present invention is in that to provide a kind of friction rotated riveting device utilizing electro plastic effect and method, it is possible to increase the quality of connection of For Dissimilar Materials Aluminium。
In order to solve above-mentioned technical problem, the present invention is achieved by following technical scheme:
A kind of semitubular rivet Electroplastic friction rotated riveting device, revolves riveting rivet including semi-hollow, and described semi-hollow rotation riveting rivet top is provided with cross or a word groove；This device also includes being positioned at the rotation riveting pressure rod above connected workpiece, coaxial sleeve is located at the blank holder outside described rotation riveting pressure rod, is positioned at the die below connected workpiece, and described rotation riveting pressure rod and described die are coaxially disposed；Described blank holder is connected to described rotation riveting pressure rod by the spring being sleeved on outside described rotation riveting pressure rod；Described rotation riveting pressure rod is connected to pressurization torquer and power supply；Described rotation riveting pressure rod bottom is provided with revolves the adaptive cross of riveting rivet or a word boss with described semi-hollow。
Wherein, described power supply can provide average anode current and pulse output circuit。
A kind of semitubular rivet Electroplastic friction rotation rivetting method utilizing above-mentioned semitubular rivet Electroplastic friction rotated riveting device, it is characterised in that comprise the steps:
(1) preparatory stage:
Described connected workpiece is positioned on described die, described semi-hollow is revolved riveting rivet and is positioned over below described rotation riveting pressure rod, and make the cross on its top or the cross of a word groove and described rotation riveting pressure rod bottom or a word boss grafting, again through described rotation riveting pressure rod, described semi-hollow is revolved riveting rivet and bounce back to inside described blank holder；
(2) the friction stamping-out stage:
Described pressurization torquer drives described rotation riveting pressure rod to move down, described blank holder elder generation and described connected absorption surface, then described semi-hollow rotation riveting rivet and described connected absorption surface, now described power supply revolves riveting rivet by described rotation riveting pressure rod to described connected workpiece and described semi-hollow and applies high-frequency direct-current pulse current, simultaneously described pressurization torquer drive described rotation riveting pressure rod drive described semi-hollow rotation riveting rivet high speed rotating and under press；Owing to described connected workpiece effectively softens, described semi-hollow rotation riveting rivet pierces through described connected workpiece when not cracking；
(3) rivet deformation stage:
Described rotation riveting pressure rod stops high speed rotating, and continue to keep described connected workpiece and described semi-hollow are revolved high-frequency direct-current pulse current and the pressure that riveting rivet applies, realize described connected workpiece and described semi-hollow are revolved the plasticity regulation and control of riveting rivet, make described connected workpiece realize mechanical self-latching after having riveted；
(4) the resistance spot welding stage:
Described rotation riveting pressure rod stops described connected workpiece and described semi-hollow are revolved the high-frequency direct-current pulse current that riveting rivet applies, and continue to keep described connected workpiece and described semi-hollow are revolved the pressure that riveting rivet applies, described power supply revolves riveting rivet applying DC current by described rotation riveting pressure rod to described connected workpiece and described semi-hollow simultaneously, revolve at described semi-hollow and between riveting rivet and described connected workpiece, form metallurgical connection, ultimately form " metallurgical-machinery " composite joint joint；
(5) separation phase:
Described rotation riveting pressure rod stops described connected workpiece and described semi-hollow are revolved pressure and the DC current that riveting rivet applies, and described rotation riveting pressure rod successively leaves described connected workpiece with described blank holder, returns to original position and prepares the circulation of next junction point。
Preferably,
In step (2), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The rotary speed of described rotation riveting pressure rod is 500-1000r/min；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；
In step (3), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；Described rotation riveting pressure rod keeps the time applying high-frequency direct-current pulse current and pressure to be 200-400ms；
In step (4), the pressure that described rotation riveting pressure rod applies is 10kN-30kN；The DC current that described rotation riveting pressure rod applies is 2～20kA；Described rotation riveting pressure rod keeps the time applying pressure and DC current to be 200-400ms。
A kind of semitubular rivet Electroplastic friction rotation rivetting method utilizing above-mentioned semitubular rivet Electroplastic friction rotated riveting device, comprises the steps:
(1) preparatory stage:
Described connected workpiece is positioned on described die, described semi-hollow is revolved riveting rivet and is positioned over below described rotation riveting pressure rod, and make the cross on its top or the cross of a word groove and described rotation riveting pressure rod bottom or a word boss grafting, again through described rotation riveting pressure rod, described semi-hollow is revolved riveting rivet and bounce back to inside described blank holder；
(2) the friction stamping-out stage:
Described pressurization torquer drives described rotation riveting pressure rod to move down, described blank holder elder generation and described connected absorption surface, then described semi-hollow rotation riveting rivet and described connected absorption surface, now described power supply revolves riveting rivet by described rotation riveting pressure rod to described connected workpiece and described semi-hollow and applies high-frequency direct-current pulse current, simultaneously described pressurization torquer drive described rotation riveting pressure rod drive described semi-hollow rotation riveting rivet high speed rotating and under press；Owing to described connected workpiece effectively softens, described semi-hollow rotation riveting rivet pierces through described connected workpiece when not cracking；
(3) rivet deformation stage:
Described rotation riveting pressure rod stops high speed rotating, and continue to keep described connected workpiece and described semi-hollow are revolved high-frequency direct-current pulse current and the pressure that riveting rivet applies, realize described connected workpiece and described semi-hollow are revolved the plasticity regulation and control of riveting rivet, make described connected workpiece realize mechanical self-latching after having riveted；
(4) separation phase:
Described rotation riveting pressure rod stops described connected workpiece and described semi-hollow are revolved high-frequency direct-current pulse current and the pressure that riveting rivet applies, and described rotation riveting pressure rod successively leaves described connected workpiece with described blank holder, returns to original position and prepares the circulation of next junction point。
Preferably,
In step (2), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The rotary speed of described rotation riveting pressure rod is 500-1000r/min；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；
In step (3), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；Described rotation riveting pressure rod keeps the time applying high-frequency direct-current pulse current and pressure to be 200-400ms。
The invention has the beneficial effects as follows:
The semitubular rivet Electroplastic friction rotated riveting device of the present invention and method utilize electro plastic effect to make workpiece that effectively softening to occur, and are conducive to the stamping-out lancing motion of rivet, reduce and connect the probability that defect occurs；And adopting friction rotation riveting mode to carry out the connection of workpiece, its heat input is less, can effectively control the frangible compounds produced between dissimilar metal；Energising and rivet friction simultaneously act on workpiece, it is possible to make each required technological parameter numerical value less, can realize with better simply power supply and pressing mechanism, reduce equipment cost；In follow-up power up phase, two workpiece produce metallurgical binding, and joint load load is substantially improved, and the forward tensile property being ultimately formed " metallurgical-machinery " joint is better than tradition self-pierce riveting or resistance spot welding Joining Technology。
Accompanying drawing explanation
Fig. 1 is the structural representation of semitubular rivet Electroplastic provided by the present invention friction rotated riveting device；
Fig. 2 is semitubular rivet Electroplastic provided by the present invention friction rotation rivetting method process schematic；
Wherein, (a) is the preparatory stage；B () is the friction stamping-out stage；C () is rivet deformation stage；D () is the resistance spot welding stage；E () is separation phase。
In figure: 1, rotation riveting pressure rod；2, blank holder；3, semi-hollow rotation riveting rivet；4, connected workpiece；5, die。
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
As it is shown in figure 1, present embodiment discloses a kind of semitubular rivet Electroplastic friction rotated riveting device, mainly include rotation riveting pressure rod 1, blank holder 2, semi-hollow rotation riveting rivet 3, connected workpiece 4, die 5, pressurization torquer and power supply。
Rotation riveting pressure rod 1 is cylindrical structure, and its diameter is 6mm, is highly 15mm；Rotation riveting pressure rod 1 is positioned at above connected workpiece 4。
It is outside that blank holder 2 coaxial sleeve is located at rotation riveting pressure rod 1, and its external diameter is 20mm, and internal diameter is 7mm, is highly 20mm。Rotation riveting pressure rod 1 outer cover is equipped with spring, and spring top is fixedly connected on rotation riveting pressure rod 1 itself or pressurization torquer, bottom is fixedly connected on blank holder 2 top so that blank holder 2 can be followed rotation riveting pressure rod 1 and moved and provided less pressure by spring。
Semi-hollow rotation riveting rivet 3 top is provided with cross or a word groove, and rotation riveting pressure rod 1 bottom is provided with the cross with semi-hollow rotation riveting rivet 3 adaptation or a word boss。
Connected workpiece 4 includes upper and lower two boards material, and sheet material can be the materials such as aluminium alloy, mild steel, high-strength steel, and when utilizing apparatus and method of the present invention to connect, the sheet material that hardness is less is positioned at top, and the sheet material that hardness is bigger is positioned at bottom。
Die 5 is identical with the structure in common self-pierce riveting technique, is positioned at below connected workpiece 4, is coaxially disposed with rotation riveting pressure rod 1。
Rotation riveting pressure rod 1 is connected respectively with pressurization torquer and power supply, and collection pressurizes, adds moment of torsion and lifetime of resistance spot welding electrode function integration。Rotation riveting pressure rod 1 can be provided the moment of torsion of downward pressure and rotation by pressurization torquer；Rotation riveting pressure rod 1 can be provided average anode current and pulse output circuit by power supply, uses according to the switching of concrete operation。
As in figure 2 it is shown, the method utilizing above-mentioned semitubular rivet Electroplastic friction rotated riveting device, its concrete operation step is as follows:
Connected workpiece 4 is 6061-T6 aluminum alloy plate materials and DP980 high-strength steel sheet material, and thickness is 2mm；Wherein 6061-T6 aluminum alloy plate materials is placed in top, DP980 high-strength steel sheet material is placed in bottom。
(1) preparatory stage, as shown in Fig. 2 (a):
Connected workpiece 4 is positioned on die 5, by rivet conveying device, semi-hollow is revolved riveting rivet 3 and be positioned over below rotation riveting pressure rod 1, and making semi-hollow revolve the cross on riveting rivet 3 top or the cross of a word groove and rotation riveting pressure rod 1 bottom or a word boss grafting, semi-hollow is revolved riveting rivet 3 by rotation riveting pressure rod 1 and bounces back to blank holder 2 inside by the torquer that then pressurizes。
(2) the friction stamping-out stage, as shown in Fig. 2 (b):
Pressurization torquer drives rotation riveting pressure rod 1 to move down, blank holder 2 will first contact with connected workpiece 4, then along with rotation riveting pressure rod 1 continues to move down, semi-hollow rotation riveting rivet 3 starts to contact with connected workpiece 4, now blank holder 2 is then owing to connected workpiece 4 is produced a less pressure by the restoring force of spring, play the effect of rigidly fixing, it is prevented that connected workpiece 4 buckling deformation。
Power-on, rotation riveting pressure rod 1 revolves riveting rivet 3 to connected workpiece 4 and semi-hollow and applies high-frequency direct-current pulse current, and the peak value of high-frequency direct-current pulse current is 2kA, and frequency range is 1000Hz, thus produce Electroplastic, improve the rheology of high-strength steel and aluminium alloy；Simultaneously pressurization torquer drive rotation riveting pressure rod 1, rotation riveting pressure rod 1 drive semi-hollow rotation riveting rivet 3 high speed rotating and under press, rotary speed is 500r/min, and pressure is 10kN；Now owing to connected workpiece 4 effectively softens, semi-hollow rotation riveting rivet 3 can pierce through connected workpiece 4 when not cracking。
(3) rivet deformation stage, as shown in Fig. 2 (c):
After connected workpiece 4 is pierced through by semi-hollow rotation riveting rivet 3, rotation riveting pressure rod 1 stops high speed rotating, and (peak value is 2kA to continue the maintenance high-frequency direct-current pulse current to connected workpiece 3 and semi-hollow rotation riveting rivet 3 applying, frequency range is 1000Hz) and pressure (10kN) 200ms, or the characteristic according to connected workpiece 4 adjusts related process parameters, realize connected workpiece 4 and semi-hollow are revolved the plasticity regulation and control of riveting rivet 3, finally make connected workpiece 3 realize good mechanical self-latching after having riveted。
(4) the resistance spot welding stage, as shown in Fig. 2 (d):
Rotation riveting pressure rod 1 stops the high-frequency direct-current pulse current to connected workpiece 4 and semi-hollow rotation riveting rivet 3 applying, and (peak value is 2kA, frequency range is 1000Hz), and continue to keep connected workpiece and semi-hollow are revolved the pressure (10kN) that riveting rivet applies, power supply applies the higher level DC current 100ms of 10kA by revolving riveting pressure rod 1 to connected workpiece 4 and semi-hollow rotation riveting rivet 3, revolve at semi-hollow and between riveting rivet 3 and the lower workpiece of connected workpiece 4, form metallurgical connection, ultimately form " metallurgical-machinery " composite joint joint。" metallurgical-machinery " composite joint joint had both included the mechanical self-latching effect that self-pierce riveting rivet is formed, and formed the combination between metallic atom in connected interface again。
(5) separation phase, as shown in Fig. 2 (e):
Rotation riveting pressure rod 1 stops connected workpiece 4 and semi-hollow are revolved pressure (10kN) and the DC current (10kA) that riveting rivet 3 applies, finally rotation riveting pressure rod 1 successively leaves connected workpiece 4 with blank holder 2, returns to original position and prepares the circulation of next junction point。
The optional scope of parameter in above-mentioned steps is as follows:
In step (2), the peak value of high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The rotary speed of rotation riveting pressure rod 1 is 500-1000r/min；The pressure that rotation riveting pressure rod applies is 10KN-30KN；
In step (3), the peak value of high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The pressure that rotation riveting pressure rod 1 applies is 10KN-30KN；Rotation riveting pressure rod 1 keeps the time applying high-frequency direct-current pulse current and pressure to be 200-400ms；
In step (4), the pressure that rotation riveting pressure rod 1 applies is 10KN-30KN；The DC current that rotation riveting pressure rod 1 applies is 2～20kA；Rotation riveting pressure rod 1 keeps the time applying pressure and DC current to be 200-400ms。
The selection of design parameter can be determined according to the parameter of existing resistance spot welding (current range) and self-pierce riveting (plunger pressure), in general reducing than the parameter values being used alone two kinds of techniques, in practical operation, those skilled in the art suitably can adjust according to connection request。
It addition, the rivet deformation stage in step (3) stops connecting, be directly entered the separation phase of step (5), then connected workpiece 4 realizes connecting in the way of mechanical self-latching。
Although the preferred embodiments of the present invention being described above in conjunction with accompanying drawing; but the invention is not limited in above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is merely schematic; it is not restrictive; those of ordinary skill in the art is under the enlightenment of the present invention; without departing under present inventive concept and scope of the claimed protection situation, it is also possible to making the concrete conversion of a lot of form, these belong within protection scope of the present invention。
Claims (6)
1. a semitubular rivet Electroplastic friction rotated riveting device, revolves riveting rivet including semi-hollow, it is characterised in that described semi-hollow rotation riveting rivet top is provided with cross or a word groove；This device also includes being positioned at the rotation riveting pressure rod above connected workpiece, coaxial sleeve is located at the blank holder outside described rotation riveting pressure rod, is positioned at the die below connected workpiece, and described rotation riveting pressure rod and described die are coaxially disposed；Described blank holder is connected to described rotation riveting pressure rod by the spring being sleeved on outside described rotation riveting pressure rod；Described rotation riveting pressure rod is connected to pressurization torquer and power supply；Described rotation riveting pressure rod bottom is provided with revolves the adaptive cross of riveting rivet or a word boss with described semi-hollow。
2. a kind of semitubular rivet Electroplastic friction rotated riveting device according to claim 1, it is characterised in that described power supply can provide average anode current and pulse output circuit。
3. the semitubular rivet Electroplastic friction rotation rivetting method utilizing semitubular rivet Electroplastic as claimed in claim 1 friction rotated riveting device, it is characterised in that comprise the steps:
(1) preparatory stage:
Described connected workpiece is positioned on described die, described semi-hollow is revolved riveting rivet and is positioned over below described rotation riveting pressure rod, and make the cross on its top or the cross of a word groove and described rotation riveting pressure rod bottom or a word boss grafting, again through described rotation riveting pressure rod, described semi-hollow is revolved riveting rivet and bounce back to inside described blank holder；
(2) the friction stamping-out stage:
Described pressurization torquer drives described rotation riveting pressure rod to move down, described blank holder elder generation and described connected absorption surface, then described semi-hollow rotation riveting rivet and described connected absorption surface, now described power supply revolves riveting rivet by described rotation riveting pressure rod to described connected workpiece and described semi-hollow and applies high-frequency direct-current pulse current, simultaneously described pressurization torquer drive described rotation riveting pressure rod drive described semi-hollow rotation riveting rivet high speed rotating and under press；Owing to described connected workpiece effectively softens, described semi-hollow rotation riveting rivet pierces through described connected workpiece when not cracking；
(3) rivet deformation stage:
Described rotation riveting pressure rod stops high speed rotating, and continue to keep described connected workpiece and described semi-hollow are revolved high-frequency direct-current pulse current and the pressure that riveting rivet applies, realize described connected workpiece and described semi-hollow are revolved the plasticity regulation and control of riveting rivet, make described connected workpiece realize mechanical self-latching after having riveted；
(4) the resistance spot welding stage:
Described rotation riveting pressure rod stops described connected workpiece and described semi-hollow are revolved the high-frequency direct-current pulse current that riveting rivet applies, and continue to keep described connected workpiece and described semi-hollow are revolved the pressure that riveting rivet applies, described power supply revolves riveting rivet applying DC current by described rotation riveting pressure rod to described connected workpiece and described semi-hollow simultaneously, revolve at described semi-hollow and between riveting rivet and described connected workpiece, form metallurgical connection, ultimately form " metallurgical-machinery " composite joint joint；
(5) separation phase:
Described rotation riveting pressure rod stops described connected workpiece and described semi-hollow are revolved pressure and the DC current that riveting rivet applies, and described rotation riveting pressure rod successively leaves described connected workpiece with described blank holder, returns to original position and prepares the circulation of next junction point。
4. a kind of semitubular rivet Electroplastic friction rotation rivetting method according to claim 1, it is characterised in that
In step (2), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The rotary speed of described rotation riveting pressure rod is 500-1000r/min；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；
In step (3), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；Described rotation riveting pressure rod keeps the time applying high-frequency direct-current pulse current and pressure to be 200-400ms；
In step (4), the pressure that described rotation riveting pressure rod applies is 10kN-30kN；The DC current that described rotation riveting pressure rod applies is 2～20kA；Described rotation riveting pressure rod keeps the time applying pressure and DC current to be 200-400ms。
5. the semitubular rivet Electroplastic friction rotation rivetting method utilizing semitubular rivet Electroplastic as claimed in claim 1 friction rotated riveting device, it is characterised in that comprise the steps:
(1) preparatory stage:
Described connected workpiece is positioned on described die, described semi-hollow is revolved riveting rivet and is positioned over below described rotation riveting pressure rod, and make the cross on its top or the cross of a word groove and described rotation riveting pressure rod bottom or a word boss grafting, again through described rotation riveting pressure rod, described semi-hollow is revolved riveting rivet and bounce back to inside described blank holder；
(2) the friction stamping-out stage:
Described pressurization torquer drives described rotation riveting pressure rod to move down, described blank holder elder generation and described connected absorption surface, then described semi-hollow rotation riveting rivet and described connected absorption surface, now described power supply revolves riveting rivet by described rotation riveting pressure rod to described connected workpiece and described semi-hollow and applies high-frequency direct-current pulse current, simultaneously described pressurization torquer drive described rotation riveting pressure rod drive described semi-hollow rotation riveting rivet high speed rotating and under press；Owing to described connected workpiece effectively softens, described semi-hollow rotation riveting rivet pierces through described connected workpiece when not cracking；
(3) rivet deformation stage:
Described rotation riveting pressure rod stops high speed rotating, and continue to keep described connected workpiece and described semi-hollow are revolved high-frequency direct-current pulse current and the pressure that riveting rivet applies, realize described connected workpiece and described semi-hollow are revolved the plasticity regulation and control of riveting rivet, make described connected workpiece realize mechanical self-latching after having riveted；
(4) separation phase:
Described rotation riveting pressure rod stops described connected workpiece and described semi-hollow are revolved high-frequency direct-current pulse current and the pressure that riveting rivet applies, and described rotation riveting pressure rod successively leaves described connected workpiece with described blank holder, returns to original position and prepares the circulation of next junction point。
6. a kind of semitubular rivet Electroplastic friction rotation rivetting method according to claim 5, it is characterised in that
In step (2), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The rotary speed of described rotation riveting pressure rod is 500-1000r/min；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；
In step (3), the peak value of described high-frequency direct-current pulse current is 2～4kA, and frequency range is 500～5000Hz；The pressure that described rotation riveting pressure rod applies is 10KN-30KN；Described rotation riveting pressure rod keeps the time applying high-frequency direct-current pulse current and pressure to be 200-400ms。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074412.9A CN105689624A (en) | 2016-02-02 | 2016-02-02 | Electroplastic friction spin-riveting device and method for semi-hollow rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074412.9A CN105689624A (en) | 2016-02-02 | 2016-02-02 | Electroplastic friction spin-riveting device and method for semi-hollow rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105689624A true CN105689624A (en) | 2016-06-22 |
Family
ID=56230251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610074412.9A Pending CN105689624A (en) | 2016-02-02 | 2016-02-02 | Electroplastic friction spin-riveting device and method for semi-hollow rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105689624A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234327A (en) * | 2017-05-27 | 2017-10-10 | 天津大学 | Sheet metal stings weldering composite connecting device and method |
| CN109848355A (en) * | 2019-03-02 | 2019-06-07 | 上海交通大学 | Two-part machinery-solid phase composite connecting method based on semitubular rivet |
| CN111250540A (en) * | 2020-01-22 | 2020-06-09 | 武汉科技大学 | Silicon steel cold rolling process based on direct current assistance |
| CN111889866A (en) * | 2020-06-19 | 2020-11-06 | 西安石油大学 | Friction hot riveting threaded nail and welding process |
| CN114160743A (en) * | 2021-11-22 | 2022-03-11 | 苏州雷力紧固技术有限责任公司 | Self-piercing riveting connection device and riveting method thereof |
| CN116329461A (en) * | 2023-04-18 | 2023-06-27 | 广州亨龙智能装备股份有限公司 | Riveting machine and self-punching rivet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010188383A (en) * | 2009-02-18 | 2010-09-02 | Honda Motor Co Ltd | Rivet joining method |
| CN101920302A (en) * | 2010-09-07 | 2010-12-22 | 上海交通大学 | Electroplastic self-piercing riveting device |
| CN101934339A (en) * | 2010-09-21 | 2011-01-05 | 上海交通大学 | Ring-shaped electro-plastic rivet-free riveting device |
| CN101934338A (en) * | 2010-09-07 | 2011-01-05 | 上海交通大学 | Electroplastic rivet-free riveting device |
| CN101934337A (en) * | 2010-09-21 | 2011-01-05 | 上海交通大学 | Ring-shaped electro-plastic self-piercing riveting system |
| CN102615508A (en) * | 2012-03-26 | 2012-08-01 | 郑州大学 | Metal plate rotating friction riveting method |
| DE102011109812A1 (en) * | 2011-08-08 | 2013-02-14 | Volkswagen Aktiengesellschaft | Processing device for establishing connection of e.g. high-strength steel sheet part and flexible aluminum sheet part, has blank holder that compresses components together during driving connection element |
| CN103240564A (en) * | 2013-04-26 | 2013-08-14 | 上海交通大学 | Machinery-solid phase composite connecting device and machinery-solid phase composite connecting method |
-
2016
- 2016-02-02 CN CN201610074412.9A patent/CN105689624A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010188383A (en) * | 2009-02-18 | 2010-09-02 | Honda Motor Co Ltd | Rivet joining method |
| CN101920302A (en) * | 2010-09-07 | 2010-12-22 | 上海交通大学 | Electroplastic self-piercing riveting device |
| CN101934338A (en) * | 2010-09-07 | 2011-01-05 | 上海交通大学 | Electroplastic rivet-free riveting device |
| CN101934339A (en) * | 2010-09-21 | 2011-01-05 | 上海交通大学 | Ring-shaped electro-plastic rivet-free riveting device |
| CN101934337A (en) * | 2010-09-21 | 2011-01-05 | 上海交通大学 | Ring-shaped electro-plastic self-piercing riveting system |
| DE102011109812A1 (en) * | 2011-08-08 | 2013-02-14 | Volkswagen Aktiengesellschaft | Processing device for establishing connection of e.g. high-strength steel sheet part and flexible aluminum sheet part, has blank holder that compresses components together during driving connection element |
| CN102615508A (en) * | 2012-03-26 | 2012-08-01 | 郑州大学 | Metal plate rotating friction riveting method |
| CN103240564A (en) * | 2013-04-26 | 2013-08-14 | 上海交通大学 | Machinery-solid phase composite connecting device and machinery-solid phase composite connecting method |
Non-Patent Citations (1)
| Title |
|---|
| 杨光明、陈海主编: "《车身快速修复入门》", 30 September 2015 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234327A (en) * | 2017-05-27 | 2017-10-10 | 天津大学 | Sheet metal stings weldering composite connecting device and method |
| CN109848355A (en) * | 2019-03-02 | 2019-06-07 | 上海交通大学 | Two-part machinery-solid phase composite connecting method based on semitubular rivet |
| CN109848355B (en) * | 2019-03-02 | 2020-06-09 | 上海交通大学 | Two-section type mechanical-solid phase composite connection method based on semi-hollow rivet |
| CN111250540A (en) * | 2020-01-22 | 2020-06-09 | 武汉科技大学 | Silicon steel cold rolling process based on direct current assistance |
| CN111889866A (en) * | 2020-06-19 | 2020-11-06 | 西安石油大学 | Friction hot riveting threaded nail and welding process |
| CN114160743A (en) * | 2021-11-22 | 2022-03-11 | 苏州雷力紧固技术有限责任公司 | Self-piercing riveting connection device and riveting method thereof |
| CN116329461A (en) * | 2023-04-18 | 2023-06-27 | 广州亨龙智能装备股份有限公司 | Riveting machine and self-punching rivet |
| CN116329461B (en) * | 2023-04-18 | 2023-12-26 | 广州亨龙智能装备股份有限公司 | Riveting machine and self-punching rivet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105689624A (en) | Electroplastic friction spin-riveting device and method for semi-hollow rivet | |
| CN105458147B (en) | It is a kind of to glue riveting attachment means and viscous rivetting method from punching | |
| Busse et al. | Development of a mechanical joining process for automotive body-in-white production | |
| Meschut et al. | Innovative joining technologies for multi-material structures | |
| CN104399859B (en) | Thin plate self-locking is solidly connected method and system | |
| CN101920302B (en) | Electroplastic self-piercing riveting device | |
| Pickin et al. | Joining of lightweight sandwich sheets to aluminium using self-pierce riveting | |
| CN102248112B (en) | Stirring friction riveting device and method for light metal plate | |
| CN101934339B (en) | Ring-shaped electro-plastic rivet-free riveting device | |
| CN101468421A (en) | Agitating friction riveting device and riveting method | |
| CN102615508A (en) | Metal plate rotating friction riveting method | |
| CN103008874A (en) | Agitating friction spot welding device and method for dissimilar metal | |
| CN205599847U (en) | Rivet connecting device from dashing to glue | |
| CN1007327B (en) | Resistance welding of aluminium | |
| CN104384422B (en) | Self-piercing riveting device and method towards unimach and light metal | |
| US8987631B2 (en) | Method and apparatus for welding to laminated metal | |
| CN104439684A (en) | Self-piercing riveting method assisted by ultrasonic | |
| CN103753029A (en) | Electrical arc metal stud welding method and device under frictional cleaning homogenization | |
| CN106735817A (en) | The spot welding device of full-automatic stud spot-welding machine | |
| CN111421221B (en) | Friction stir butt welding device and processing method thereof | |
| CN209477661U (en) | A kind of hub bearing oil sealing gear ring press fitting all-in-one machine | |
| CN1301165C (en) | Explosion type self-riveting equipment and method thereof | |
| CN2926634Y (en) | Riveted bolt for seat skeleton assembly of car | |
| CN110000296B (en) | Laser cladding and ultrasonic vibration combined auxiliary rivet-free turning and riveting connection device and connection method | |
| KR20180044622A (en) | Adhering structure and method of different kinds materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160622 |