EP1121213A1 - Tool for applying punched rivets - Google Patents
Tool for applying punched rivetsInfo
- Publication number
- EP1121213A1 EP1121213A1 EP99959212A EP99959212A EP1121213A1 EP 1121213 A1 EP1121213 A1 EP 1121213A1 EP 99959212 A EP99959212 A EP 99959212A EP 99959212 A EP99959212 A EP 99959212A EP 1121213 A1 EP1121213 A1 EP 1121213A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die
- rivet
- face
- elevation
- punch
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000035515 penetration Effects 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- 238000005520 cutting process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- B21J15/025—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
- B21J15/36—Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49833—Punching, piercing or reaming part by surface of second part
- Y10T29/49835—Punching, piercing or reaming part by surface of second part with shaping
- Y10T29/49837—Punching, piercing or reaming part by surface of second part with shaping of first part
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53709—Overedge assembling means
- Y10T29/53717—Annular work
- Y10T29/53726—Annular work with second workpiece inside annular work one workpiece moved to shape the other
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53709—Overedge assembling means
- Y10T29/5377—Riveter
Definitions
- the invention relates to a tool for setting punch rivets, in particular full rivets or semi-hollow rivets, with a hold-down device for pretensioning the joint parts, in particular sheet metal, a rivet punch guided axially movably in a cylinder of the hold-down device, and a die opposite the hold-down device an elevation on a section of its end face facing the rivet die
- the object of the present invention is to further develop the known tools in such a way that the defects described above occur do not adjust the finished riveted joint.
- the training of the known tools should be simple, uncomplicated and inexpensive.
- Another advantage of the further development according to the invention is that the particularly high rigidity of the joint arrangement required according to the prior art is no longer required to the same extent.
- the improved riveting tools can cause the parts to be connected to flow and join continuously a particularly high rigidity of the joining devices can largely be dispensed with, which makes the tools more universally applicable
- the force under which the portions of the end face surrounding the elevation of the end face are axially displaceable relative to the elevation is generated as a function of the depth of penetration of the punch rivet into the sheets to be joined by the force of a prestressed spring.
- This is a passive control of the axial movement of the surface sections of the die.
- Such a control is preferably used when a simple and steadily increasing force-displacement characteristic yields a good result for the joining process.
- Simple controls can be implemented with mechanical elements such as disc, screw or plastic ends. The position and shape of the characteristic curve are specified within the tool by the rigidity and the preload of the springs.
- the tool according to the invention is designed in such a way that, for setting a solid rivet, the portions of this end face concentrically surrounding the annular elevation of the end face of the die are axially displaceable relative to the annular elevation the end face of the die is arranged.
- this end face is designed in such a way that that portion of the end face which has the hump-shaped elevation can be axially displaced relative to the outer portions of the end face of the die which concentrically surround it
- variable force-displacement characteristics can be set from the outside, i.e. program freely.
- the electro-hydraulic servo valves known per se are used to set the characteristic curve.
- the strength of the riveted joint, in particular the dynamic strength, can be significantly improved with a variable characteristic curve and, in some applications, can only be achieved in this way
- the cutting process can be positively influenced with regard to a clean cut surface in the punching hole and with regard to the pretension state after the riveting.
- These important parameters depend on the increasing wear of the cutting edge of the die. The wear of this cutting edge is compensated for by increasing the axial height of the annular elevation of the cutting edge of the die with increasing wear.
- This setting can be made continuously and externally. In the simplest case, the volume of the hydraulic pressure medium is reduced if the outer die part is designed as a piston
- the movement sequence is set so that a large counterforce is given at the beginning of the riveting process. This promotes the pressing on of the half-rivet at the beginning of the riveting process A continuously removable counterforce is generated over the course of the process in order to obtain a particularly good undercut in this way
- Fig. 4 shows the design of a die for setting a semi-tubular rivet.
- the left half of FIG. 1 represents the setting of a full rivet 1 using conventional tools.
- the sheets 2 and 3 are to be connected to one another using the full rivet 1.
- the sheets 2 and 3 are prestressed under the pressure of a hold-down device 20 on the end face 21 of a die 4.
- the end face 21 has an annular elevation 5, the inside diameter 22 of which is so large that the shank 23 of the full rivet 1 while maintaining a predetermined cutting clearance
- the hold-down device 20 has a cylinder 24 in which the rivet die 25 is movably guided in the axial direction 26. Under the force of the rivet punch 25, the solid metal 1 is punched through the sheets 2 and 3, which deform in the manner shown on the left-hand side of FIG. 1.
- a deformation 6 occurs locally on the die-side sheet 3 outside the annular elevation 5 on.
- This deformation 6 is undesirable since the material of the die-side sheet 3 that flows prematurely into the deformation is missing later, that is to say when the rental is complete, the annular groove 7 in the shaft 23 of the full rivet 1 is completely to be filled
- the end face 21 of the die 27 is divided into sections 5 and 29.
- the ring-shaped elevation 5 in FIG. 2 forms the end of a hollow punch 11 which is firmly connected to the die housing 28.
- a stamp member 9 is movably mounted in the axial direction 26. The stamp member 9 surrounds the hollow stamp 11 concentrically.
- the end face 29 of the stamp member 9 and the annular elevation 5 of the hollow stamp 11 together form the closed end face 21 of the die 27
- the stamp member 9 is located at an upper stop 10 of the die 27.
- the stamp member 9 strikes a lower stop 12.
- an offset 8 occurs at the radially outer edge of the annular elevation 5, around which the end face 29 of the stamp member 9 springs back relative to the annular elevation 5 of the hollow stamp 11.
- the offset 8 only occurs after the force of the rivet punch 25 has reached a certain size.
- the annular space 30, below the punch member 9, is connected to a pressure medium source 31 known per se, which also has an adjustable pressure relief valve 32.
- a strong spring assembly indicated by broken lines, can also be used 33 may be provided, which is arranged in the annular space 30.
- the springs 33 are preloaded.
- the section 29 of the end face 21 of the die 27 is held in one plane with the end face of the annular elevation 5 until the solid metal 1 has penetrated sufficiently far into the sheets 2 and 3 to be riveted.
- the closed end face 21 is prevented at the start of the riveting process that the deformation 6 can form on the lower plate 3.
- the retraction of the surface section 29 in the further course of the riveting process then has the effect that the annular groove 7 of the full rivet 1 is sufficiently filled, as is shown on the right half of FIG. 1.
- FIG. 3 shows the riveting of two sheets 2 and 3 with the aid of a semi-tubular rivet 1 in a conventional manner.
- the cutting phase is shown on the left half and the embossing phase on the right half.
- the die 27 has a hump-shaped elevation 34 in its center hump-shaped elevation 34 protrudes from a depression 35, which has the closed end face 36 of the die 27 for the semi-hollow rivet 14, depending on the hardness of the sheets 2 and 3 to be riveted compared to the hardness of the semi-hollow rivet 14, it can happen that the lower cutting edge 37 of the semi-hollow rivet 14 is not expanded sufficiently before the stamping phase, but is deformed to form an undesirable thickening 19. The occurrence of such a thickening 19 is considered to be faulty since it prevents the two sheets 2 and 3 from being joined sufficiently firmly
- the die 27 is also divided in this case and has a fixed outer part 18, which represents a cylinder.
- a piston 13 is movably mounted in the axial direction 26 within the outer part 18. This piston 13 can move within the outer part 18 between a lower stop 16 and an upper stop 15.
- the end face of the piston 13 has the hump-shaped elevation 34 already described in the center of the die 27.
- the end face of the piston 13 also forms a section of the recess 35, which serves to spread the cutting edge 37 of the semi-hollow rivet 14.
- the piston 13 If it is not under the pretension of a spring assembly 33, the piston 13 is acted upon on its underside by a pressure medium that comes from the pressure medium source 31, which in turn also has an adjustable pressure relief valve 32.
- An annular groove 38 ensures the inflow of the pressure medium on the underside of the Piston 13 and a vent hole 39 ensure that the piston 13 can also be moved freely up to the upper stop 15.
- the die 27 shown in FIG. 2 also has such a vent hole 39
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Forging (AREA)
- Drilling Tools (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19847980A DE19847980A1 (en) | 1998-10-17 | 1998-10-17 | Stamping rivet upsetting tool comprises die endface which is radially divided into sectors outside raised area |
DE19847980 | 1998-10-17 | ||
PCT/DE1999/003302 WO2000023213A1 (en) | 1998-10-17 | 1999-10-14 | Tool for applying punched rivets |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1121213A1 true EP1121213A1 (en) | 2001-08-08 |
EP1121213B1 EP1121213B1 (en) | 2003-04-23 |
Family
ID=7884839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99959212A Expired - Lifetime EP1121213B1 (en) | 1998-10-17 | 1999-10-14 | Tool for applying punched rivets |
Country Status (9)
Country | Link |
---|---|
US (1) | US6405420B1 (en) |
EP (1) | EP1121213B1 (en) |
AT (1) | ATE238116T1 (en) |
CA (1) | CA2355343C (en) |
DE (2) | DE19847980A1 (en) |
DK (1) | DK1121213T3 (en) |
ES (1) | ES2195642T3 (en) |
PT (1) | PT1121213E (en) |
WO (1) | WO2000023213A1 (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19940803A1 (en) * | 1999-08-27 | 2001-04-05 | Audi Ag | Punch rivet connection |
DE19950719B4 (en) * | 1999-10-21 | 2008-05-21 | Volkswagen Ag | Working method for producing a riveted joint and rivet, riveting tool and application thereof |
US6546613B2 (en) * | 2001-08-29 | 2003-04-15 | Textron Inc. | Anvil design for rivet setting machine |
CA2471676A1 (en) * | 2001-12-27 | 2003-07-31 | Newfrey Llc. | Automatic punching riveting device and die used for the device |
US6694597B2 (en) * | 2002-03-08 | 2004-02-24 | General Motors Corporation | Method for riveting metal members |
DE10259369B3 (en) * | 2002-12-18 | 2004-05-06 | Sfs Intec Holding Ag | Device to set punch rivet in metal plates has upper sleeve with sliding die, lower stationary die to hold rivet shaft during setting, and enclosing tensioning sleeve to support metal plates |
WO2004085095A1 (en) * | 2003-03-24 | 2004-10-07 | Phandharakrajadej, Sasiwimol | Method for joining a side iron plate with a iron shutter plate and cylindrical pin for fastening plate material |
US8196794B2 (en) * | 2004-08-24 | 2012-06-12 | Ford Motor Company | Riveting system and multi-piece self pierce die for improved die life |
US20060236536A1 (en) * | 2005-03-28 | 2006-10-26 | Seiko Epson Corporation | Die apparatus, method for producing perforated work plate, perforated work plate, liquid-jet head and liquid-jet apparatus |
DE102010020666B4 (en) * | 2010-05-17 | 2020-04-16 | Tox Pressotechnik Gmbh & Co. Kg | Die and tool for a riveting tool |
DE102010033714B3 (en) * | 2010-08-07 | 2011-10-27 | Audi Ag | Tool for setting full punched rivets in jointing parts, has die plate comprising outer support ring, which is formed towards inner embossing ring in form of elevation, is observed in radial direction and comprises segmented surface |
JP5551835B2 (en) | 2010-11-10 | 2014-07-16 | ヘンロブ・リミテッド | Fastening method and fastening device |
DE102010051978B3 (en) * | 2010-11-19 | 2012-03-08 | Audi Ag | Device for determination of retaining force while producing joint connection by joining device, has male-die and down-holder, where device is formed on female die of joining device |
DE102012204130A1 (en) * | 2012-03-16 | 2013-09-19 | Bayerische Motoren Werke Aktiengesellschaft | Method and device for joining joining partners by means of a punch rivet |
DE102012005491B4 (en) * | 2012-03-19 | 2017-03-16 | Audi Ag | joining device |
US9027220B2 (en) | 2012-08-07 | 2015-05-12 | Newfrey Llc | Rivet setting machine |
DE102013217213A1 (en) * | 2013-08-28 | 2015-03-05 | Profil Verbindungstechnik Gmbh & Co. Kg | METHOD FOR IMPLEMENTING AND FIXING AN ATTACHMENT ELEMENT AND CORRESPONDING MATRIZE |
US20150290914A1 (en) * | 2014-04-10 | 2015-10-15 | Ford Global Technologies, Llc | Process For Joining Carbon Fiber Composite Materials Using Self-Piercing Rivets |
WO2017006830A1 (en) * | 2015-07-07 | 2017-01-12 | 日新製鋼株式会社 | Protrusion molding device, protrusion molding method, and molded article |
DE102016120681B4 (en) * | 2016-10-28 | 2022-12-08 | Tox Pressotechnik Gmbh & Co. Kg | Device for setting a joining element or for clinching |
DE102017203460A1 (en) | 2017-03-02 | 2018-09-06 | Zf Friedrichshafen Ag | Device for producing a positive connection |
JP2019013942A (en) * | 2017-07-05 | 2019-01-31 | ポップリベット・ファスナー株式会社 | Self-drilling rivet fastening device |
JP2021142552A (en) * | 2020-03-13 | 2021-09-24 | ポップリベット・ファスナー株式会社 | Fastening method and fastening device of self-boring type rivet |
DE102020131273B4 (en) | 2020-11-26 | 2024-08-22 | Audi Aktiengesellschaft | System for placing an auxiliary joining element in at least one component |
CN114713727B (en) * | 2022-04-15 | 2023-11-14 | 荣成歌尔科技有限公司 | Riveting tool and processing equipment |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2465534A (en) * | 1944-09-18 | 1949-03-29 | Judson L Thomson Mfg Company | Rivet and method of making joints therewith |
US3072279A (en) * | 1959-09-09 | 1963-01-08 | Gerald S Ikelheimer | Riveting machine |
US3731369A (en) * | 1971-10-27 | 1973-05-08 | Johnson Die & Eng Co | Method and apparatus for forming and setting rivets integral with a layer |
US5174018A (en) * | 1981-01-28 | 1992-12-29 | Multifastener Corporation | Die button with staking features |
IT1251987B (en) * | 1991-11-08 | 1995-05-27 | Sovereign S N C Di Sozzi Pietr | AUTOMATIC EQUIPMENT FOR THE APPLICATION AND LOCKING OF RIVETS |
US5361473A (en) * | 1992-07-09 | 1994-11-08 | Heavy Duty Marketing Corporation | Rivet setting anvil |
GB9226517D0 (en) * | 1992-12-19 | 1993-02-10 | Henrob Ltd | Improvements in or relating to sefl-piercing riveting |
DE4419065A1 (en) | 1994-05-31 | 1995-12-07 | Boellhoff Gmbh Verbindungs Und | Self=stamping riveting machine for overlapping sheet metal components |
-
1998
- 1998-10-17 DE DE19847980A patent/DE19847980A1/en not_active Withdrawn
-
1999
- 1999-10-14 DK DK99959212T patent/DK1121213T3/en active
- 1999-10-14 CA CA002355343A patent/CA2355343C/en not_active Expired - Fee Related
- 1999-10-14 EP EP99959212A patent/EP1121213B1/en not_active Expired - Lifetime
- 1999-10-14 ES ES99959212T patent/ES2195642T3/en not_active Expired - Lifetime
- 1999-10-14 AT AT99959212T patent/ATE238116T1/en active
- 1999-10-14 WO PCT/DE1999/003302 patent/WO2000023213A1/en active IP Right Grant
- 1999-10-14 PT PT99959212T patent/PT1121213E/en unknown
- 1999-10-14 US US09/807,213 patent/US6405420B1/en not_active Expired - Lifetime
- 1999-10-14 DE DE59905226T patent/DE59905226D1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0023213A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2355343C (en) | 2005-05-10 |
DK1121213T3 (en) | 2003-07-07 |
WO2000023213A1 (en) | 2000-04-27 |
EP1121213B1 (en) | 2003-04-23 |
DE59905226D1 (en) | 2003-05-28 |
DE19847980A1 (en) | 2000-04-20 |
ES2195642T3 (en) | 2003-12-01 |
US6405420B1 (en) | 2002-06-18 |
ATE238116T1 (en) | 2003-05-15 |
PT1121213E (en) | 2003-07-31 |
CA2355343A1 (en) | 2000-04-27 |
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