EP0165518A2 - Presse à forger de type souterrain - Google Patents

Presse à forger de type souterrain Download PDF

Info

Publication number: EP0165518A2
Authority: EP; European Patent Office
Prior art keywords: guide; guide shaft; spar; forging press; cylinder
Prior art date: 1984-06-19
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

EP85106704A

Other languages

German (de)

English (en)

Other versions

EP0165518B1 (fr

EP0165518A3 (en

Inventor

Hans Albert Schubert

Klaus Schulze

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.)

SMS Hasenclever Maschinenfabrik GmbH

Original Assignee

SMS Hasenclever Maschinenfabrik 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.)

1984-06-19

Filing date

1985-05-31

Publication date

1985-12-27

1985-05-31 Application filed by SMS Hasenclever Maschinenfabrik GmbH filed Critical SMS Hasenclever Maschinenfabrik GmbH

1985-05-31 Priority to AT85106704T priority Critical patent/ATE45111T1/de

1985-12-27 Publication of EP0165518A2 publication Critical patent/EP0165518A2/fr

1986-09-17 Publication of EP0165518A3 publication Critical patent/EP0165518A3/de

1989-08-02 Application granted granted Critical

1989-08-02 Publication of EP0165518B1 publication Critical patent/EP0165518B1/fr

Status Expired legal-status Critical Current

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/04—Frames; Guides

Definitions

the invention relates to an underfloor forging press with a running frame, which consists of a fixed table beam and a frame formed from the upper and lower running beam and columns connecting these, the so-called running frame.
At least one piston-cylinder unit is provided between the table spar and the lower running spar, while at least one further piston-cylinder unit is arranged to act between the table spar and the upper running spar.
the table bar In order to relieve the columns of such forging presses from the bending stresses caused by eccentric forging resistance, it is known to provide the table bar on its underside with a guide shaft on which the lower running bar is guided, the guides in the lower running bar applying the moment from the eccentric forging resistance derive the leadership (Ernst Müller “Hydraulic presses and hydraulic systems” first volume “Schmiedepressen”, third edition, Springer-Verlag, 1962, pages 33, 34, Fig. 29).
the aim of the invention is to keep the structural complexity of forging presses in the underfloor design with a running frame low and at the same time to have the running frame guide separate from the working (plunger) piston-cylinder unit.
This object is achieved in that, in the case of a forging press of the underfloor type with a running frame and a guide shaft connected to the table spar and serving as a guide for the lower running bar, the guide shaft is hollow as a cylinder for a working piston, the lower running bar of the running frame on the hollow guide shaft is guided and the working piston is guided in the cylinder cavity of the guide shaft and is supported on the lower running beam by means of a pushrod arranged between ball joints.
the hollow guiding shaft is at the same time a cylinder for the working piston, without additional structural height or structural effort being required, whereby the supporting of the working piston by means of a pushrod on the lower spar of the working piston leads to the cylinder independently of the guidance of the running frame without transverse force .
two guides can be arranged along the guide shaft at a distance to accommodate the moment resulting from the eccentric forging resistance, the length of the guide shaft having to correspond to the dimension determined by the distance and the length of the guides plus the maximum press stroke dimension.
the running frame can be guided on the lower running bar and the guide shaft by means of only one guide if further guides are provided between the table spar and the columns connecting the running spars, the length of the guide shaft corresponding to the length of the guide plus the maximum press stroke dimension.
the guides can be designed as round, flat or roller guides with corresponding guide means, the guide means being able to be fastened to the guide shaft or in the lower running beam.
the forging press shown in Fig. 1 consists of a table spar 1, which is anchored in the foundation, also not shown, via a base plate, not shown.
a moving frame is movable in the vertical direction, which consists of an upper running beam 2, a lower running beam 3 and the columns 4 connecting them.
each column 4 is composed of an anchor 4a transmitting the tensile force and a sleeve 4b surrounding the anchor 4a.
the sleeves 4b are inserted in bores 2b in the upper spar 2 and 3b in the lower spar 3 with a slight tension and thus connect the two spars 2 and 3 to a torsion-resistant moving frame, while the anchors 4a the offset smaller holes 2a and 3a in the upper spar 2 and pass through the lower spar 3 and are preloaded against the sleeves 4b by threaded nuts 4d placed on threaded shafts 4c at both ends of the armatures 4a and transmit the pressing force during operation.
the lower saddle 5a is attached to the table spar 1 and the upper saddle 5b is attached to the upper spar 2.
piston-cylinder units are arranged for the press retraction, each consisting of a cylinder 6a and a plunger 6b.
Each cylinder 6a is supported on the table beam 1 by means of a pressure pan 6c inserted into the table beam 1, while each plunger 6b is held by a ball head 6d by a ball sleeve 6e fastened to the upper running beam 2.
6f denotes a protective tube for each plunger 6b.
Another protective tube 7 is used to protect the columns 4 and is attached to the table beam 1 above the through holes 1b for the columns 4.
the forging presses shown in Fig. 2 and 3 correspond to the forging presses shown in Fig. 1 in the details described so far, which is why the corresponding components are given the same reference numerals, so that a repetition of the description is unnecessary.
a guide shaft 11 is connected to the table spar 1, which with a Cylinder bore 12 provided, that is hollow.
a guide bushing 12a in the cylinder bore 12 guides a plunger 14 which plunges into the cylinder bore 12 and which is supported on the barrel member 3 by means of a plunger 15 and a bridge piece 16 which closes the lower barrel member 3 downward.
a gland 12b with a gland packing 12c is provided to seal the plunger 14 in the cylinder bore 12.
the plunger 15 is provided with spherical recesses on both ends and is supported on the one hand to the plunger 14 and on the other hand to the bridge piece 16 of the lower runner 3 via spherical pressure pieces 15a and 15b.
the pressure medium is supplied to the cylinder bore 12 via a feed line 17.
guide shaft 11 On the outside of the guide shaft 11 are guide bushes 18a and 18b and between them a spacer bushing 18c, which are held in the axial direction by a pressure ring 18d.
the guide shaft 11 with its guide bushings 18a and 18b guides the lower barrel 3 lined with a bushing 19 and also takes up the moment resulting from an eccentric forging resistance via the guide bushings 18a and 18b.
a guide shaft 21 which is shorter than the guide shaft 11 is connected to the table spar 1 and is formed with a cylinder bore 22, that is to say also hollow.
a guide bush 22a in the cylinder bore 22 here also guides a plunger 24 which plunges into the cylinder bore 22 and is sealed off from the cylinder bore 22 by a gland 22b and a gland packing 22c.
a bridge piece 26 which closes the spar 23 downward and a pressure stilts 25 with spherical recesses at both ends between spherical pressure pieces 25a and 25b are provided.
a guide 28 is provided on the outside on the relatively short guide shaft 21 at its lower end and is fixed by the retaining ring 28a.
the guide 28 consists (see also FIG. 5) of an inner ring 28b with a spherical outer surface and two interconnected outer rings 28c which enclose the inner ring 28b with a corresponding spherical inner surface. Inner ring 28b and outer rings 28c together thus form a ball joint bushing.
the lower barrel 23 lined with a bushing 29 finds a first guide on the guide shaft 21 or the guide 28 at the end of the guide shaft 21, while the second guide takes place via the columns 4 of the running frame, for which purpose in the embodiment according to FIG Table spar 1 ball joint bushings 20 arranged and held by the protective tubes 7.
the moment resulting from an eccentric forging resistance is thus absorbed by the guides 28 and ball joint bushings 20, whereby the sleeves 4b of the columns 4 are subjected to a bending stress, but the overall height of the forging press is lower than that of the exemplary embodiment according to FIG. 1.
the embodiment according to FIG. 3 corresponds essentially to the embodiment according to FIG. 2.
the guide shaft 31, which is also kept relatively short, is machined on its outer diameter in such a way that it has a ball joint bushing 39 which fits into the bore of the lower "spar 33 used and held in this, serves as a guide.
the runner 33 is given a second guide by the ball joint bushes 30 arranged in the table spar 1, via the sleeves 4b of the columns 4 of the running frame.
the advantage of low structural complexity of this embodiment is that the distance between the guides 39 and 30 changes during the press stroke.
FIG. 5 shows - shown on a modification of the forging press according to Fig. 2 - how this can be counteracted.
the plunger 24 is provided at its lower end with a recess 51, in / ring sectors 52 are inserted, which carry a pressure ring 53.
pendulum anchors 54 are arranged between this pressure ring 53 and the bridge piece 26 of the lower spar 23.
each pendulum anchor 54 and a retaining cap 56 which is fastened to the bridge piece 26 a spring assembly 57 is enclosed, which is tensioned by a nut 58.
the tension of the spring assemblies 57 is transmitted to the pressure ring / by the 53 nuts 58 via washers 59, 60 and thus holds the working piston 24 via the pressure stilts 25 and the pressure pieces 25a and 25b in abutment with the bridge piece 26 of the lower spar 23.
the working piston 24 thus maintains its mobility in order to be able to adjust itself in the cylinder bore 22 or the guide bush 22a.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Forging (AREA)
Presses And Accessory Devices Thereof (AREA)
Press Drives And Press Lines (AREA)
External Artificial Organs (AREA)

EP85106704A 1984-06-19 1985-05-31 Presse à forger de type souterrain Expired EP0165518B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT85106704T ATE45111T1 (de)	1984-06-19	1985-05-31	Schmiedepresse in unterflurbauart.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19843422644 DE3422644A1 (de)	1984-06-19	1984-06-19	Schmiedepresse in unterflurbauart
DE3422644		1984-06-19

Publications (3)

Publication Number	Publication Date
EP0165518A2 true EP0165518A2 (fr)	1985-12-27
EP0165518A3 EP0165518A3 (en)	1986-09-17
EP0165518B1 EP0165518B1 (fr)	1989-08-02

Family

ID=6238668

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP85106704A Expired EP0165518B1 (fr)	1984-06-19	1985-05-31	Presse à forger de type souterrain

Country Status (5)

Country	Link
US (1)	US4607518A (fr)
EP (1)	EP0165518B1 (fr)
JP (1)	JPS6114038A (fr)
AT (1)	ATE45111T1 (fr)
DE (2)	DE3422644A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0360875A1 (fr) *	1988-09-02	1990-04-04	Gräbener Pressensysteme GmbH & Co. KG	Machine de formage, notamment presse mécanique
WO2009000100A1 (fr) *	2007-06-28	2008-12-31	Bruderer Ag	Presse de découpage
FR2951990A1 (fr) *	2009-10-30	2011-05-06	Mecan Outil	Ensemble porte-outil comprenant une presse pneumatique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3054152B2 (ja) *	1988-10-17	2000-06-19	大豊建設株式会社	作業台船
US4977774A (en) *	1988-12-12	1990-12-18	Kabushiki Kaisha Kobe Seiko Sho	Press device
KR102572362B1 (ko) *	2021-12-06	2023-08-30	가톨릭대학교 산학협력단	난청환자 재활교육용 챗봇 제공 방법 및 그 시스템

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2893023A (en) *	1956-12-03	1959-07-07	Crawley Book Machinery Inc	Single station book pressing and creasing machine
FR1254198A (fr) *	1960-04-13	1961-02-17	Hydraulik Gmbh	Presse de forge hydraulique en fosse
DE1941566U (de) *	1962-01-19	1966-06-30	Schloemann Ag	Unterflur-saeulenschmiedepresse.
DE1301298B (de) *	1965-03-13	1969-08-21	Siempelkamp Eugen	Freiform-Schmiedepresse mit Unterflurantrieb
DE1527226A1 (de) *	1965-06-24	1969-06-19	Eugen Siempelkamp	Freiform-Schmiedepresse
GB1157827A (en) *	1965-08-25	1969-07-09	Sack Gmbh Maschf	Hydraulic Forging Press
GB1152237A (en) *	1965-10-28	1969-05-14	Davy & United Eng Co Ltd	Forging Press
US3408849A (en) *	1965-11-17	1968-11-05	Hydraulik Gmbh	Hydraulic forging press
DE2852303A1 (de) *	1978-12-02	1980-06-04	Schloemann Siemag Ag	Schmiedepresse, insbesondere freiform- schmiedepresse, in unterflurbauart

1984
- 1984-06-19 DE DE19843422644 patent/DE3422644A1/de not_active Withdrawn
1985
- 1985-05-31 DE DE8585106704T patent/DE3571945D1/de not_active Expired
- 1985-05-31 AT AT85106704T patent/ATE45111T1/de not_active IP Right Cessation
- 1985-05-31 EP EP85106704A patent/EP0165518B1/fr not_active Expired
- 1985-06-18 JP JP60130977A patent/JPS6114038A/ja active Granted
- 1985-06-19 US US06/746,323 patent/US4607518A/en not_active Expired - Lifetime

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0360875A1 (fr) *	1988-09-02	1990-04-04	Gräbener Pressensysteme GmbH & Co. KG	Machine de formage, notamment presse mécanique
WO2009000100A1 (fr) *	2007-06-28	2008-12-31	Bruderer Ag	Presse de découpage
CN101687379A (zh) *	2007-06-28	2010-03-31	布吕德雷股份公司	冲压压力机
US8739595B2 (en)	2007-06-28	2014-06-03	Bruderer Ag	Punching press
CN101687379B (zh) *	2007-06-28	2014-11-12	布吕德雷股份公司	冲压压力机
FR2951990A1 (fr) *	2009-10-30	2011-05-06	Mecan Outil	Ensemble porte-outil comprenant une presse pneumatique

Also Published As

Publication number	Publication date
US4607518B1 (fr)	1989-10-24
JPS6114038A (ja)	1986-01-22
DE3422644A1 (de)	1985-12-19
DE3571945D1 (en)	1989-09-07
EP0165518B1 (fr)	1989-08-02
US4607518A (en)	1986-08-26
ATE45111T1 (de)	1989-08-15
JPH0343927B2 (fr)	1991-07-04
EP0165518A3 (en)	1986-09-17

Legal Events

Date	Code	Title	Description
1985-10-26	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
1985-12-27	17P	Request for examination filed	Effective date: 19850531
1985-12-27	AK	Designated contracting states	Designated state(s): AT DE FR GB IT
1986-07-30	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1986-09-17	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT DE FR GB IT
1988-05-11	17Q	First examination report despatched	Effective date: 19880325
1989-02-17	ITF	It: translation for a ep patent filed
1989-06-17	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1989-08-02	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT DE FR GB IT
1989-08-02	REF	Corresponds to:	Ref document number: 45111 Country of ref document: AT Date of ref document: 19890815 Kind code of ref document: T
1989-09-06	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1989-09-07	REF	Corresponds to:	Ref document number: 3571945 Country of ref document: DE Date of ref document: 19890907
1989-11-17	ET	Fr: translation filed
1990-06-19	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-06-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1990-08-08	26N	No opposition filed
1991-05-31	ITTA	It: last paid annual fee
2001-04-12	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20010412 Year of fee payment: 17
2001-04-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: AT Payment date: 20010427 Year of fee payment: 17
2001-05-07	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20010507 Year of fee payment: 17
2001-05-09	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20010509 Year of fee payment: 17
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2002-05-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020531 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020531
2002-12-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20021203
2003-01-22	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20020531
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