EP2853318A1 - Tête de poinçon pour machines de poinçonnage - Google Patents

Tête de poinçon pour machines de poinçonnage Download PDF

Info

Publication number: EP2853318A1
Authority: EP; European Patent Office
Prior art keywords: striker; punch; head; cage; punches
Prior art date: 2013-09-20
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

EP14178391.0A

Other languages

German (de)

English (en)

Other versions

EP2853318B1 (fr

Inventor

Sergio Dallan

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.)

Dallan SpA

Original Assignee

Dallan SpA

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.)

2013-09-20

Filing date

2014-07-24

Publication date

2015-04-01

2014-07-24 Application filed by Dallan SpA filed Critical Dallan SpA

2015-04-01 Publication of EP2853318A1 publication Critical patent/EP2853318A1/fr

2016-04-13 Application granted granted Critical

2016-04-13 Publication of EP2853318B1 publication Critical patent/EP2853318B1/fr

2016-06-06 Priority to HRP20160604TT priority Critical patent/HRP20160604T1/hr

Status Active legal-status Critical Current

2034-07-24 Anticipated expiration legal-status Critical

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/246—Selection of punches
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
- B21D28/265—Perforating, i.e. punching holes in sheets or flat parts with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet, e.g. holes punching with template

Definitions

the present invention relates to a punch head for punching machines.
Punching machines are known, inserted into metal strip processing lines. They generally comprise punch heads, the tools and punches of which are controlled, in accordance with predetermined operative cycles, by hydraulic cylinders applied to the head itself, and which act on a metal strip to be processed, advancing between said punches and the respective dies.
the strip is advanced by a feed device which, in the same manner as the punch operating cylinders, is controlled by a central control unit.
punch heads comprising a vertical C-shaped plate with its opening in the form of a slot traversable by the strip to be worked, a horizontal base plate to which the vertical plate is fixed, one or more punching units applied to the base plate to the side of said C-shaped plate, an actuator for each punch of each punching unit, and means for moving the base plate relative to the base with a component at a right angle to the strip advancement direction.
Punching machines are known in which the punch carrier plate also incorporates a hydraulic piston and a rotary selector which positions the striker part above the punch to be activated.
the punch head comprises substantially a frame 2 on which two respective beams 4, 6, are mounted transversely to the advancement direction of the sheet metal strip 8 to be punched.
a carriage 10 is slidable, consisting of a C-shaped beam with its opening in the form of a slot 12 through which the sheet metal strip 8 passes.
a die carrier 14 for a plurality of dies is provided on the lower part of the carriage slot 12.
carriage 16 is slidable, driven by known means.
a plurality of punches 22, 22' are mounted on the upper surface of the carriage 10 and axially face the dies of the die carrier 14.
strip advancement devices can be provided, consisting of rollers or grippers, which devices enable the metal strip to be advanced, halted or reversed during its processing.
the end of the striker 20 is housed in a cage 24, the base plate of which is provided with a hole 28 for passage of the striker head 30, and has its outer circumferential edge 32 bevelled.
the distance of the base plate 26 of the cage 24 from the lower plate 34 of the carriage 18 is such that the outer surface of the cage plate 26 can slide along the upper surface of the punches 22, 22' without however interfering with them.
the head of the invention operates in traditional manner, in that the C-shaped beam is moved along a resting surface (not shown in the drawings), and after inserting the strip 8 into the beam slot, the carriage 18 is driven by known means such that the striker 20 faces the chosen punch.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Punching Or Piercing (AREA)

EP14178391.0A 2013-09-20 2014-07-24 Tête de poinçon pour machines de poinçonnage Active EP2853318B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
HRP20160604TT HRP20160604T1 (hr)	2013-09-20	2016-06-06	Probojna glava za probojni stroj

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT000049A ITVE20130049A1 (it)	2013-09-20	2013-09-20	Testata di punzonatura per macchine punzonatrici.-

Publications (2)

Publication Number	Publication Date
EP2853318A1 true EP2853318A1 (fr)	2015-04-01
EP2853318B1 EP2853318B1 (fr)	2016-04-13

Family

ID=49447750

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14178391.0A Active EP2853318B1 (fr)	2013-09-20	2014-07-24	Tête de poinçon pour machines de poinçonnage

Country Status (5)

Country	Link
EP (1)	EP2853318B1 (fr)
ES (1)	ES2576191T3 (fr)
HR (1)	HRP20160604T1 (fr)
IT (1)	ITVE20130049A1 (fr)
PL (1)	PL2853318T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5301585A (en) *	1991-05-27	1994-04-12	Amada Sonoike Co., Ltd.	Punch pressing machine
EP0963802A2 (fr) *	1998-06-10	1999-12-15	Schuler Pressen GmbH & Co. KG	Presse à perforer avec système d'entrainement d'un poinçon unique
WO2003015953A1 (fr) *	2001-08-13	2003-02-27	Dallan S.P.A.	Poinçonneuse pour bande de tole
EP1445042A1 (fr) *	2003-02-07	2004-08-11	SALVAGNINI ITALIA S.p.A.	Tête de travail à poinçons multiples pour une machine à poinçonner des tôles à commande numérique

2013
- 2013-09-20 IT IT000049A patent/ITVE20130049A1/it unknown
2014
- 2014-07-24 PL PL14178391.0T patent/PL2853318T3/pl unknown
- 2014-07-24 ES ES14178391.0T patent/ES2576191T3/es active Active
- 2014-07-24 EP EP14178391.0A patent/EP2853318B1/fr active Active
2016
- 2016-06-06 HR HRP20160604TT patent/HRP20160604T1/hr unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5301585A (en) *	1991-05-27	1994-04-12	Amada Sonoike Co., Ltd.	Punch pressing machine
EP0963802A2 (fr) *	1998-06-10	1999-12-15	Schuler Pressen GmbH & Co. KG	Presse à perforer avec système d'entrainement d'un poinçon unique
WO2003015953A1 (fr) *	2001-08-13	2003-02-27	Dallan S.P.A.	Poinçonneuse pour bande de tole
EP1445042A1 (fr) *	2003-02-07	2004-08-11	SALVAGNINI ITALIA S.p.A.	Tête de travail à poinçons multiples pour une machine à poinçonner des tôles à commande numérique

Also Published As

Publication number	Publication date
EP2853318B1 (fr)	2016-04-13
ITVE20130049A1 (it)	2015-03-21
ES2576191T3 (es)	2016-07-06
HRP20160604T1 (hr)	2016-07-01
PL2853318T3 (pl)	2016-11-30

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