EP1690647A2 - Dispositif à impulsion de pression d' air avec amortissement de contrecoup - Google Patents

Dispositif à impulsion de pression d' air avec amortissement de contrecoup Download PDF

Info

Publication number: EP1690647A2
Authority: EP; European Patent Office
Prior art keywords: piston; percussion; impact device; cylinder; compressed air
Prior art date: 2005-02-09
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

Application number

EP06002212A

Other languages

German (de)

English (en)

Other versions

EP1690647B1 (fr

EP1690647A3 (fr

Inventor

Robert Lobsa

Hans Stein

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ThyssenKrupp System Engineering GmbH

Original Assignee

ThyssenKrupp Drauz Nothelfer GmbH

Priority date (The priority date 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 date listed.)

2005-02-09

Filing date

2006-02-03

Publication date

2006-08-16

2006-02-03 Application filed by ThyssenKrupp Drauz Nothelfer GmbH filed Critical ThyssenKrupp Drauz Nothelfer GmbH

2006-08-16 Publication of EP1690647A2 publication Critical patent/EP1690647A2/fr

2008-12-24 Publication of EP1690647A3 publication Critical patent/EP1690647A3/fr

2012-11-07 Application granted granted Critical

2012-11-07 Publication of EP1690647B1 publication Critical patent/EP1690647B1/fr

2026-02-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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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
- B21J15/02—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
- B21J15/18—Drives for riveting machines; Transmission means therefor operated by air pressure or other gas pressure, e.g. explosion pressure

Definitions

the invention relates to a recoil-damped compressed air impact device, which consists of two arranged in a cylinder, in opposite directions from a fed via a supply port pressure piston movable piston, a percussion piston and a balance piston, wherein also each of the piston provided in the cylinder air passages and the percussion piston an anvil assigned.
the impact device may be robotically guided.
the percussion piston and the balance piston are each designed rodless and provided in a separate cylinder, the supply channels for the compressed air are each arranged laterally of the cylinder.
both pistons move in opposite directions, whereby a recoil damping occurs when the cylinder is stationary.
the percussion piston strikes the punch, while only then the abutment of the compensating piston takes place. This is ensured by the fact that the balance piston has a longer cylinder than the percussion piston and thus only hits its end position when the percussion piston has already completed its stroke on the punch and this in turn on the selected stroke.
the object of the invention is to propose a solution with which the recoil damping further increases and thus, without causing overloading of the joints of the industrial robot, the compressed air impact device can be used as a robot-guided joining tool, as well as a tilting of the Consandden connecting element (z. B. punch rivet) prevented and an adaptation of the impact energy to different joining tasks is possible.
the advantages of the invention are that the repulsive action of the percussion piston is transmitted directly to the balance piston and not on the cylinder by the joint arrangement of the piston in one and the same cylinder, whereby the recoil can be further damped and thus the air impact device can be used as a robot-guided joining tool without overloading the robot joints.
This also makes it possible that the percussion piston in conjunction with the striker can perform a Positionierhub, wherein the connecting element facing the end of the striker comes into contact with the head of the connecting element and thus its possible tilted position can be eliminated. This makes it possible to hedge the production of high-quality joint connections.
the impact energy can be adapted to different joining tasks, so that a larger working range can be covered by one and the same air impact device.
a compressed air striker 1 is shown with rivet feed 2, which is connected via an adapter 3 with an arm, not shown, of a robot.
the rivet feed 2 receives the punch rivets 4, which are occasionally submitted to an anvil 5 for pulse-like driving into the sheets 6, 7 to be joined, in particular for motor vehicle bodies.
the compressed air impact device 1 includes a cylinder 8, in which both a percussion piston 9 and a compensating piston 10 are arranged axially displaceable.
a piston rod 11 is provided on the percussion piston 9, which can be brought into operative connection with the striker 5.
the cylinder 8 is a fixed piston rod 12, on which the balance piston 10 is guided displaceably and in this piston rod 12, a supply channel 13 for the fed into the cylinder 8 pressure means 14 (compressed air) is arranged.
the piston-side end 15 of the piston rod 12 extends into the region between the percussion piston 9 and compensating piston 10.
the percussion piston 9 and the balance piston 10 each with an air channel 16, 17.
the compensating piston 10 on its side facing the percussion piston 9 on a ring-shaped and with respect to the percussion piston 9 as a spacer 18 in appearance emerging projection.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Actuator (AREA)
Percussive Tools And Related Accessories (AREA)
Manipulator (AREA)

EP20060002212 2005-02-09 2006-02-03 Dispositif à impulsion de pression d' air avec amortissement de contrecoup Expired - Lifetime EP1690647B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102005005731		2005-02-09

Publications (3)

Publication Number	Publication Date
EP1690647A2 true EP1690647A2 (fr)	2006-08-16
EP1690647A3 EP1690647A3 (fr)	2008-12-24
EP1690647B1 EP1690647B1 (fr)	2012-11-07

Family

ID=36479049

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20060002212 Expired - Lifetime EP1690647B1 (fr)	2005-02-09	2006-02-03	Dispositif à impulsion de pression d' air avec amortissement de contrecoup

Country Status (2)

Country	Link
EP (1)	EP1690647B1 (fr)
ES (1)	ES2399055T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2009021282A1 (fr) *	2007-08-13	2009-02-19	Russell Mineral Equipment Pty Ltd	Marteau sans recul
DE102015004811A1 (de) *	2015-04-14	2016-10-20	Thomas Magnete Gmbh	Hydraulisch-pneumatische Vorrichtung zum Impulsfügen
CN109692934A (zh) *	2019-03-06	2019-04-30	苏州施米特机械有限公司	穿刺铆接机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE406875B (sv) *	1976-03-15	1979-03-05	Nilsson Goran Alfred	Avvribreringsanordning vid med tryckmediedriven, fram- och atergaende slagmekanism forsedda verktyg
US4351225A (en) *	1980-01-17	1982-09-28	The Aro Corporation	Vibration attenuation construction for an impact air tool
SE510057C2 (sv) *	1997-08-07	1999-04-12	Wiklund Henry & Co	Utloppskanal i tryckmediumdriven slagmekanism

2006
- 2006-02-03 EP EP20060002212 patent/EP1690647B1/fr not_active Expired - Lifetime
- 2006-02-03 ES ES06002212T patent/ES2399055T3/es not_active Expired - Lifetime

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2009021282A1 (fr) *	2007-08-13	2009-02-19	Russell Mineral Equipment Pty Ltd	Marteau sans recul
CN101795824B (zh) *	2007-08-13	2012-05-30	拉塞尔矿物设备私人有限公司	无后坐力锤
US8196676B2 (en)	2007-08-13	2012-06-12	Russell Mineral Equipment Pty. Ltd.	Recoilless hammer
DE102015004811A1 (de) *	2015-04-14	2016-10-20	Thomas Magnete Gmbh	Hydraulisch-pneumatische Vorrichtung zum Impulsfügen
DE102015004811B4 (de) *	2015-04-14	2017-02-16	Thomas Magnete Gmbh	Hydraulisch-pneumatische Vorrichtung zum Impulsfügen
CN109692934A (zh) *	2019-03-06	2019-04-30	苏州施米特机械有限公司	穿刺铆接机构
CN109692934B (zh) *	2019-03-06	2024-05-07	苏州施米特机械有限公司	穿刺铆接机构

Also Published As

Publication number	Publication date
EP1690647B1 (fr)	2012-11-07
ES2399055T3 (es)	2013-03-25
EP1690647A3 (fr)	2008-12-24

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