EP0401918A2 - Mâchoires de serrage pour machines de fabrication de clous - Google Patents

Mâchoires de serrage pour machines de fabrication de clous Download PDF

Info

Publication number: EP0401918A2
Authority: EP; European Patent Office
Prior art keywords: insert; base body; clamping; recess; nailing
Prior art date: 1989-06-09
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

EP90201411A

Other languages

German (de)

English (en)

Other versions

EP0401918A3 (fr

EP0401918B1 (fr

Inventor

Michael Schretter

Reinhard Posch

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.)

Plansee Tizit AG

Original Assignee

Plansee Tizit AG

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.)

1989-06-09

Filing date

1990-06-05

Publication date

1990-12-12

1990-06-05 Application filed by Plansee Tizit AG filed Critical Plansee Tizit AG

1990-12-12 Publication of EP0401918A2 publication Critical patent/EP0401918A2/fr

1991-07-17 Publication of EP0401918A3 publication Critical patent/EP0401918A3/fr

1993-08-25 Application granted granted Critical

1993-08-25 Publication of EP0401918B1 publication Critical patent/EP0401918B1/fr

2010-06-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G3/00—Making pins, nails, or the like
- B21G3/18—Making pins, nails, or the like by operations not restricted to one of the groups B21G3/12 - B21G3/16
- B21G3/28—Making pins, nails, or the like by operations not restricted to one of the groups B21G3/12 - B21G3/16 by forging or pressing
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G3/00—Making pins, nails, or the like
- B21G3/12—Upsetting; Forming heads

Definitions

the invention relates to a nail beating jaw for machines for nail production, consisting of an elongated, prismatic base body with a trapezoidal cross section, which has at one end one or more clamping grooves arranged symmetrically to the cross section, each of which merges into a semi-conical recess, the clamping grooves being in one in one Recess of the base body arranged insert are incorporated.
Such nail flap jaws are used in pairs in machines where wire is formed into nails. They are arranged so that the clamping grooves are opposite one another. In the course of the workflow, the nailing jaws are closed or opened. In the closed state, the inserted wire is clamped through the tension grooves. The semi-conical recess adjoining the clamping groove serves for better feeding of the wire. In the clamped state, the nail head is then pressed up and the nail is then cut off. For better clamping of the wire, the clamping groove is profiled, for example, with semicircular transverse grooves.
the wear-resistant insert is soldered into a corresponding recess in the tool.
the cost of such a tool is due to a very complex manufacturing process compared to a nail hammer made entirely of steel much higher.
the service life of such a nail hammer jaw equipped with hard metal is at best about five times as long as that of a steel nail hammer jaw. In many cases, however, there may be a premature failure of a hard metal-tipped nail hammer jaw due to cracks due to the soldering stress in the soldered connection.
DD-PS 40 525 describes a nail beating jaw made of an elongated, prism-shaped base body with a trapezoidal cross-section with a recess at one end into which a hexagonal insert can be implemented and replaced.
the clamping grooves are incorporated into the lateral surfaces of the hexagonal insert.
the insert is only fixed in the base body by a plate fastened with screws. As a result, the attachment of the insert in the base body is inadequate and it comes in particular with movable nailing jaws that work at a frequency of about 1000 strokes / min in the smallest game in the recording for the early destruction of the support for use.
the insert is cube-shaped, each with a vertically running clamping groove in two adjoining lateral surfaces and with a horizontally running clamping groove in a further lateral surface. This way and In this way, the notch effect is reduced and such an insert is particularly suitable for heavy loads in nail production.
the clamping slot runs parallel to a side surface of the base body. In this way it is achieved that the slot runs outside the semi-conical wire feed and still ensures good clamping of the hard metal insert.
FIG. 1 shows a nailing jaw according to the invention, consisting of an elongated, prism-shaped base body -1- made of steel.
the side faces of the base holder are inclined at 15 ° to one another, so that the base body has a trapezoidal cross section.
the base body -1- has a recess for receiving a cube-shaped insert -2- made of hard metal.
the recess is designed so that the insert -2- protrudes slightly on the front and top surface of the base body -1-.
On the front side of the insert -2- you can see the central, vertical clamping groove -5- with a semicircular cross-section for clamping the wire.
the base body -1- has a lengthwise beginning, the recess for the insert -2- penetrating slot -3-, so that two resilient sections of the base body -1- are formed, which can be clamped against the insert -2- by a clamping screw -4-.
the slot -3- runs eccentrically parallel to a side surface of the base body -1- so that it does not pass through the semi-conical recess -6- for the wire inlet. This ensures problem-free wire feeding.
the clamping screw -4- is arranged perpendicular to the slot -3-.
FIG. 2 shows the hard metal insert for the nail beating jaw according to FIG. 1 in an enlarged view.
a vertical clamping groove -5- with a semicircular cross-section is worked into the middle of each lateral surface.
the clamping grooves are provided with a cross profile. In this way, the insert -2- can be used four times.
FIG. 3 shows a further variant of a cutting insert -2- for the nail beating jaw according to FIG. 1.
the insert on two adjacent lateral surfaces each has a centrally arranged, vertically extending clamping groove -5-, while a further lateral surface with a centrally arranged, horizontal clamping groove -5- is provided.
the fourth lateral surface can also be provided with a horizontally running clamping groove -5-.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Portable Nailing Machines And Staplers (AREA)
Joining Of Building Structures In Genera (AREA)
Clamps And Clips (AREA)
Forging (AREA)
Preliminary Treatment Of Fibers (AREA)

EP19900201411 1989-06-09 1990-06-05 Mâchoires de serrage pour machines de fabrication de clous Expired - Lifetime EP0401918B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT1421/89		1989-06-09
AT142189A AT392028B (de)	1989-06-09	1989-06-09	Nagelschlagbacken

Publications (3)

Publication Number	Publication Date
EP0401918A2 true EP0401918A2 (fr)	1990-12-12
EP0401918A3 EP0401918A3 (fr)	1991-07-17
EP0401918B1 EP0401918B1 (fr)	1993-08-25

Family

ID=3513536

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900201411 Expired - Lifetime EP0401918B1 (fr)	1989-06-09	1990-06-05	Mâchoires de serrage pour machines de fabrication de clous

Country Status (4)

Country	Link
EP (1)	EP0401918B1 (fr)
AT (1)	AT392028B (fr)
DE (1)	DE59002436D1 (fr)
ES (1)	ES2044406T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0504995A1 (fr) *	1991-03-20	1992-09-23	Plansee Tizit Gesellschaft M.B.H.	Mâchoires d'appointage par pincement
EP0870558A3 (fr) *	1997-04-09	2001-01-31	Plansee Tizit Gesellschaft M.B.H.	Plaquette d'outil résistant à l'usure
US6780116B2 (en)	2001-08-13	2004-08-24	Kennametal Inc.	Wear resistant nail manufacturing tool inserts
WO2009052538A1 (fr) *	2007-10-22	2009-04-30	Ceratizit Austria Gesellschaft M.B.H.	Outil de serrage ou de coupe et mâchoire de serrage ou corps de coupe
CN106525574A (zh) *	2016-12-28	2017-03-22	西南铝业（集团）有限责任公司	上钳口及其加工工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DD40525A (fr) *
CH35364A (de) *	1905-12-19	1906-08-15	Emil Weiersmueller	Arbeitsstahl, mit während des Schneidens umwechselbarer Schneidkante

1989
- 1989-06-09 AT AT142189A patent/AT392028B/de not_active IP Right Cessation
1990
- 1990-06-05 DE DE90201411T patent/DE59002436D1/de not_active Expired - Fee Related
- 1990-06-05 EP EP19900201411 patent/EP0401918B1/fr not_active Expired - Lifetime
- 1990-06-05 ES ES90201411T patent/ES2044406T3/es not_active Expired - Lifetime

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0504995A1 (fr) *	1991-03-20	1992-09-23	Plansee Tizit Gesellschaft M.B.H.	Mâchoires d'appointage par pincement
EP0870558A3 (fr) *	1997-04-09	2001-01-31	Plansee Tizit Gesellschaft M.B.H.	Plaquette d'outil résistant à l'usure
US6780116B2 (en)	2001-08-13	2004-08-24	Kennametal Inc.	Wear resistant nail manufacturing tool inserts
WO2009052538A1 (fr) *	2007-10-22	2009-04-30	Ceratizit Austria Gesellschaft M.B.H.	Outil de serrage ou de coupe et mâchoire de serrage ou corps de coupe
CN106525574A (zh) *	2016-12-28	2017-03-22	西南铝业（集团）有限责任公司	上钳口及其加工工艺

Also Published As

Publication number	Publication date
AT392028B (de)	1991-01-10
EP0401918A3 (fr)	1991-07-17
EP0401918B1 (fr)	1993-08-25
ATA142189A (de)	1990-07-15
ES2044406T3 (es)	1994-01-01
DE59002436D1 (de)	1993-09-30

Legal Events

Date	Code	Title	Description
1990-10-27	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1991-08-07	17P	Request for examination filed	Effective date: 19910607
1991-08-28	RHK1	Main classification (correction)	Ipc: B21G 3/12
1993-01-27	17Q	First examination report despatched	Effective date: 19921214
1993-07-09	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1993-07-28	ITF	It: translation for a ep patent filed
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EP0401918A2 - Mâchoires de serrage pour machines de fabrication de clous - Google Patents

Info

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Classifications

Definitions

Landscapes

Applications Claiming Priority (2)

Publications (3)

Family

ID=3513536

Family Applications (1)

Country Status (4)

Cited By (5)

Family Cites Families (2)

Cited By (5)

Also Published As

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