EP0468717A1 - Outil de rivetage borgne - Google Patents
Outil de rivetage borgne Download PDFInfo
- Publication number
- EP0468717A1 EP0468717A1 EP91306630A EP91306630A EP0468717A1 EP 0468717 A1 EP0468717 A1 EP 0468717A1 EP 91306630 A EP91306630 A EP 91306630A EP 91306630 A EP91306630 A EP 91306630A EP 0468717 A1 EP0468717 A1 EP 0468717A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rivet
- mandrel
- collet means
- blind
- housing
- 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
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Images
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
- B21J15/28—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
- B21J15/105—Portable riveters
-
- 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
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
- B21J15/326—Broken-off mandrel collection
Definitions
- the present invention relates to a blind riveting tool comprising a housing, an abutment member in the entrance to said housing having a rivet-engaging face at its forward end to engage the mandrel of a rivet in a rivet-setting operation, pneumatic-operated collet means reciprocable within the housing to pull the mandrel stem of the rivet relative to the abutment member in the rivet-setting operation, said collet means being arranged and adapted to open and close about the axis of the mandrel stem to allow in the open position the introduction therebetween of a rivet, and in the closed condition to allow the abutment member to engage the rivet head and the collet means to engage the mandrel, and pneumatic means arranged and adapted to operate said collet means.
- a blind riveting tool constructed as referred to above is described, for example, in US patent specification 2400354, the tool being arranged for manual operation and for hand feeding, the annular actuating member being also retracted by hand to allow the riveting assembly engaging parts of the abutment member and mandrel-pulling means to open for introduction of the mandrel of a fresh rivet assembly.
- a riveting tool comprises a housing, an abutment member in the entrance to said housing having a rivet-engaging face at its forward end to engage the head of a rivet in a rivet-setting operation, pneumatic-operated collet means reciprocable within the housing to pull the mandrel stem of the rivet relative to the abutment member in the rivet setting operation, said collet means being arranged and adapted to open and close about the axis of the mandrel stem to allow in the open position the introduction therebetween of the mandrel of the rivet provided with a mandrel stem, and in the closed position to allow the abutment member to engage the rivet head and the collet means to engage the mandrel, and pneumatic means arranged and adapted to operate said collet means characterised in that a sensor is provided in said housing to monitor the vacuum level in the housing produced by a vacuum generator and to produce a signal if a certain level is exceeded, said signal operating a control valve for the opening and closing operation of said coll
- the sensor acts to operate said collet means to close around the mandrel stem when a rivet is placed in said entrance, and to cut off the air supply to said pneumatic means operating the opening and closing of the collet means.
- the collet may then be moved relatively within the housing to draw the mandrel and set the rivet.
- the control valve operates to return said collet means to the open position and to restore the air supply to said pneumatic means, thus preparing the tool for a subsequent rivet setting operation.
- the collet means closes automatically against the mandrel when the blind rivet is placed in the tool and opens automatically on completion of the rivet-setting operation.
- the present invention can be applied in a rivet-setting tool for use with a conventional blind rivet so that the collet means graps the mandrel of a blind rivet assembly so that the mandrel can be drawn through the rivet head to set the rivet.
- the present invention is particularly suitable for appplication in a rivet-setting tool for use with a double-headed rivet having a pulling head on the mandrel and the collet means engages the rivet under its pulling head so that the mandrel can be pulled through the rivet heat to set the rivet.
- the collet means opens so as to permit the introduction into the collet means of the pulling head of the double-headed rivet.
- the blind riveting tool embodying the present invention is designed for use with double-headed blind rivets having a pulling head on the mandrel.
- the tool is provided with a housing 4 having an abutment member 5 at its outlet which has a rivet-engaging face 6.
- Collet 7 is slideably mounted in housing 4 and is moved by pneumatic operating means including closing piston 12 between an open position 7A where jaws 9 of collet 7, which operate in the manner of tongs, open to admit free passage of pulling head 10 of a double headed rivet 11 and a closed position 7B where jaws 9 of collet 7 close to grip mandrel 12 of rivet 11 beneath pulling head 10.
- An actuating button 19 is also provided on the tool.
- Closing piston 16 of the pneumartc operating means is connected into the air line of the tool through control valve 13 which is a five-line, two-way, double action piston valve. Valve 13 also controls the pulling piston 14 of the tool through a sensor 20. This sensor 20 monitors the vacuum level in the housing and if this falls below a certain level, delivers a signal which operates valve 13 to close jaws 9 of collet 7.
- a pressure transducer is designated by reference 15 in Figure 3.
- insertion of a rivet into abutment 5 causes a change of pressure in axial tube 17 in housing 4 which is detected by pressure transformer 15 which then operates valve 13 to move closing piston 16 of the operating means to close the jaws 9 of collet 7 about the mandrel 12 of rivet 11 beneath pulling head 10.
- the vacuum is produced by the Venturic effect at 13.
- the compressed air supply to valve 13 is then cut after the reaction of sensor 20.
- the tool With the rivet 11 so held in collet 7, the tool may be operated normally to set the rivet by engaging pulling head 10 and pulling mandrel 12 through rivet head 8 by the operation of pulling piston 14. After setting, the mandrel 12 with pulling head 10 is sucked through axial tube 17 into collector 18 ( Figure 3).
- valve 13 is operated automatically to apply compressed air to closing piston 16 which is thus moved to the open position and jaws 9 open so as to be free to accept the pulling head 10 of a further rivet 11.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4023963 | 1990-07-27 | ||
DE4023963A DE4023963A1 (de) | 1990-07-27 | 1990-07-27 | Blindnietsetzwerkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0468717A1 true EP0468717A1 (fr) | 1992-01-29 |
EP0468717B1 EP0468717B1 (fr) | 1995-03-08 |
Family
ID=6411175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91306630A Expired - Lifetime EP0468717B1 (fr) | 1990-07-27 | 1991-07-22 | Outil de rivetage borgne |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0468717B1 (fr) |
JP (1) | JPH04231136A (fr) |
BR (1) | BR9103290A (fr) |
DE (2) | DE4023963A1 (fr) |
ES (1) | ES2069214T3 (fr) |
RU (1) | RU2038181C1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0586134A1 (fr) * | 1992-08-29 | 1994-03-09 | Emhart Inc. | Outil à poser des rivets |
US5519927A (en) * | 1995-04-12 | 1996-05-28 | Emhart Inc. | Rivet setting tool |
EP2626154A1 (fr) * | 2012-02-10 | 2013-08-14 | Bollhoff Otalu S.A. | Nez d'un outil de traction motorisée d'une tète renflée d'élément et un tel outil |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010024610B4 (de) * | 2010-06-22 | 2012-02-16 | Gesipa Blindniettechnik Gmbh | Setzgerät mit einer variablen Setzhubeinstellung |
DE102014206076A1 (de) | 2014-03-31 | 2015-10-01 | Robert Bosch Gmbh | Handwerkzeugmaschine, Verfahren zum Betreiben |
US10065235B2 (en) * | 2014-09-19 | 2018-09-04 | Electroimpact, Inc. | System using an air gap for workpiece protection in a fastener machine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2344127A (en) * | 1940-08-03 | 1944-03-14 | Carl W Cherry | Riveting apparatus |
US4130006A (en) * | 1976-07-15 | 1978-12-19 | Ebbert Engineering Company | Riveting system |
GB2171947A (en) * | 1985-02-27 | 1986-09-10 | Tucker Fasteners Ltd | Blind riveting tool |
GB2188860A (en) * | 1986-04-11 | 1987-10-14 | Avdel Ltd | Fastener installation apparatus |
US4901431A (en) * | 1988-06-06 | 1990-02-20 | Textron Inc. | Powered fastener installation apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3112711C2 (de) * | 1981-03-31 | 1984-11-08 | Gesipa Blindniettechnik Gmbh, 6000 Frankfurt | Pneumatisch-hydraulisches Blindnietgerät |
DE3123581A1 (de) * | 1981-06-13 | 1982-12-30 | Mannesmann AG, 4000 Düsseldorf | Nietvorrichtung |
DE3701883C2 (de) * | 1987-01-23 | 1999-09-16 | Subotsch Verwaltungs Und Betei | Blindnietsetzwerkzeug |
US4811881A (en) * | 1987-11-20 | 1989-03-14 | Phillips Plastics Corporation | Apparatus for supplying and installing plastic expansion rivets |
-
1990
- 1990-07-27 DE DE4023963A patent/DE4023963A1/de not_active Withdrawn
-
1991
- 1991-07-22 DE DE69107924T patent/DE69107924T2/de not_active Expired - Fee Related
- 1991-07-22 ES ES91306630T patent/ES2069214T3/es not_active Expired - Lifetime
- 1991-07-22 EP EP91306630A patent/EP0468717B1/fr not_active Expired - Lifetime
- 1991-07-26 JP JP3187471A patent/JPH04231136A/ja active Pending
- 1991-07-26 RU SU915001178A patent/RU2038181C1/ru active
- 1991-07-26 BR BR919103290A patent/BR9103290A/pt unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2344127A (en) * | 1940-08-03 | 1944-03-14 | Carl W Cherry | Riveting apparatus |
US4130006A (en) * | 1976-07-15 | 1978-12-19 | Ebbert Engineering Company | Riveting system |
GB2171947A (en) * | 1985-02-27 | 1986-09-10 | Tucker Fasteners Ltd | Blind riveting tool |
GB2188860A (en) * | 1986-04-11 | 1987-10-14 | Avdel Ltd | Fastener installation apparatus |
US4901431A (en) * | 1988-06-06 | 1990-02-20 | Textron Inc. | Powered fastener installation apparatus |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0586134A1 (fr) * | 1992-08-29 | 1994-03-09 | Emhart Inc. | Outil à poser des rivets |
US5519927A (en) * | 1995-04-12 | 1996-05-28 | Emhart Inc. | Rivet setting tool |
EP2626154A1 (fr) * | 2012-02-10 | 2013-08-14 | Bollhoff Otalu S.A. | Nez d'un outil de traction motorisée d'une tète renflée d'élément et un tel outil |
FR2986725A1 (fr) * | 2012-02-10 | 2013-08-16 | Bollhoff Otalu Sa | Nez d'un outil de traction motorisee d'une tete renflee d'element et un tel outil |
Also Published As
Publication number | Publication date |
---|---|
DE69107924D1 (de) | 1995-04-13 |
JPH04231136A (ja) | 1992-08-20 |
ES2069214T3 (es) | 1995-05-01 |
RU2038181C1 (ru) | 1995-06-27 |
DE4023963A1 (de) | 1992-01-30 |
EP0468717B1 (fr) | 1995-03-08 |
DE69107924T2 (de) | 1995-08-24 |
BR9103290A (pt) | 1992-02-18 |
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