EP0484623B1 - Presse à forger - Google Patents

Presse à forger Download PDF

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Publication number
EP0484623B1
EP0484623B1 EP91108508A EP91108508A EP0484623B1 EP 0484623 B1 EP0484623 B1 EP 0484623B1 EP 91108508 A EP91108508 A EP 91108508A EP 91108508 A EP91108508 A EP 91108508A EP 0484623 B1 EP0484623 B1 EP 0484623B1
Authority
EP
European Patent Office
Prior art keywords
forging press
displaceable
press according
sliding table
spar
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.)
Expired - Lifetime
Application number
EP91108508A
Other languages
German (de)
English (en)
Other versions
EP0484623A1 (fr
Inventor
Werner Folta
Rudi Schmitz
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 GmbH
SMS Hasenclever Maschinenfabrik GmbH
Original Assignee
SMS Hasenclever GmbH
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.)
Filing date
Publication date
Application filed by SMS Hasenclever GmbH, SMS Hasenclever Maschinenfabrik GmbH filed Critical SMS Hasenclever GmbH
Priority to AT91108508T priority Critical patent/ATE76339T1/de
Priority to DE9191108508T priority patent/DE59100001D1/de
Priority to ES199191108508T priority patent/ES2033168T3/es
Priority to EP91108508A priority patent/EP0484623B1/fr
Publication of EP0484623A1 publication Critical patent/EP0484623A1/fr
Application granted granted Critical
Publication of EP0484623B1 publication Critical patent/EP0484623B1/fr
Anticipated expiration legal-status Critical
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
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/085—Accessories for handling work or tools handling of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/028—Loading or unloading of dies, platens or press rams

Definitions

  • the invention relates to a forging press with a sliding table carrying tools.
  • a lifting and lowering tool carrier plate or a sliding table has become known from German design specification 21 61 917.
  • the sliding table has running wheels on rails of the press table, which are rotatably mounted on eccentrically arranged axle journals of bolts, the bolts being rotatable by a motor-driven swivel device for pulling in and extending the wheels into and out of the tool carrier plate, so that the Can raise and lower the tool carrier plate opposite the press table.
  • stops arranged on the tool carrier plate press against counter stops of the press frame and brace the tool carrier plate with the press.
  • the invention has for its object to make the table displacement unit with simple means reliable in a forging press of the type mentioned and thereby reduce the structural complexity and the susceptibility to failure of the forging press.
  • the sliding table is arranged on a table rail having a roller conveyor with lifting and lowering rollers and the sliding table and the table rail are provided on their mutually facing surfaces with interlocking detents which are offset from one another by a pitch.
  • the two measures combined with one another according to the invention, namely the rollers which can be raised and lowered in the roller conveyor formed on the table beam, and the detents which enable the sliding table to be fixed in a new position in a simple manner bring numerous advantages for the operation of a forging press .
  • the lifting and lowering of the rollers creates the prerequisite that the locking of the sliding table and the table spar - advantageously locking plates protrude from the sliding table and the roller conveyor and are offset from one another by a desired division dimension to be determined by the plate width - after lifting the The sliding table is exposed beyond the cantilever dimension, thus allowing the table with the tools attached to it to be moved relative to the roller conveyor locks into the new operating position.
  • the sliding table then only needs to be lowered, so that the locks, preferably bevelled on their long sides or edges, snap into one another and fix the sliding table on the slideway (press table or table spar) without any further measures.
  • interlocking or lockable detents allow a significantly higher axial table locking than is the case with cylinder holding forces or table locking bolts, etc., because the detents are suitable for absorbing high forces, such as those that exist in forging presses. Since axial table displacement forces thus occurring are conducted directly into the table or press spar, a much simpler and cheaper displacement cylinder arrangement can also be made possible for this reason; in addition, axial displacement forces do not have to be introduced into the foundation, which can therefore be carried out with less effort.
  • interchangeable locking plates which are screwed to the sliding table, for example, the pitch and thus the displacement of the sliding table can be increased or decreased in a simple manner according to the respective requirements and tool measurements by using wider or narrower locking plates.
  • rollers can preferably be permanently lubricated.
  • the roller conveyor or the entire under-table area can thus be kept free of surface grease; So-called scouring paste - a mixture of scale and fat - as inevitable with the known slideways, cannot arise.
  • the encapsulated or partitioned roller bearing reduces fat consumption to almost zero.
  • No lubrication hoses need to be connected to the sliding table, so that an otherwise required cable drag chain can be omitted.
  • the previously lubricated slideway e.g. made of bronze or cast plates, easily replaceable roller units are used.
  • the space between the sliding table and table spar can be kept clear of scale by the compressed air routing in this way from the inside, even if a table top with the integrated roller conveyor during the pressing operation is curved upwards due to the heat Pressing pumps or the table is raised to move.
  • a forging press 3 shown in FIG. 1 for reasons of better clarity with only one press stand 6, is adjustable in the direction of the double arrow (see FIGS. 3 and 4) Sliding table 4 arranged.
  • the sliding table 4 lies flat on the table spar 2, as shown in the left half of Figure 2, and is secured by means of locking plates 5, 5 'against longitudinal displacement.
  • the locking plates 5, 5 ' are along both longitudinal edges of the table spar 2 (see FIG. 2) and opposite, arranged in the sliding table 4 and locked into one another during forging, as shown in the right half of Figure 5.
  • the locking plates 5, 5 ' are arranged on the mutually facing surfaces of the sliding table 4 and the table spar 2, namely the locking plates 5' in the sliding table 4 and the locking plates 5 in the table spar 2; they are offset from each other by a pitch T corresponding to the plate width.
  • the detents could also consist, for example, of grooves in the table spar 2 and springs of the sliding table 4.
  • the locking plates 5 and 5 ' are opposite the table spar 2 and the sliding table 4, and their long sides or edges are provided with inclined surfaces 19, with adjacent inclined surfaces of the upper and lower locking plates 5' and 5 when lowering the sliding table - or slide on each other and support the engagement of the upper locking plates 5 'in the gaps between the lower locking plates 5 of the table spar 2.
  • the displacement table 4 carrying the tools is removed from its left half in FIG. 2 and in FIG. 3 shown position, in which it rests flat on the table spar 2, first raised hydraulically by means of roller units 8 until its locking plates 5 'are in one plane above the locking plates 5 of the table spar 2, as in the left half of Figure 5 and the right Half of Figure 2 shown.
  • the roller units 8 are in cassette design executed (see FIGS. 3 and 4); in each cassette 9, two rollers 10 are encapsulated outwards and provided with permanent lubrication.
  • transverse yoke 11 see the two roller units 8 shown in section in FIG. 3
  • transverse yokes 11 are acted upon by actuating pistons 12, which are connected via lines 13 and an intermediate, multi-way valve 14 designed as a control valve to an unillustrated one Pressure medium source are connected.
  • the lifted shifting table 4 is adjusted by means of a shifting cylinder 16 by a displacement distance corresponding to twice the pitch T, namely until the locking plates 5 'of the shifting table 4 are above one Gap between two locking plates 5 of the table spar 2 are reached, into which they snap when lowered, so that the upper and lower locking plates 5 'and 5 interlock.
  • the table stroke or adjustment path (2 x pitch T) is determined by the width of the interchangeable locking plates 5, 5 'which can be variably adapted to the respective operating requirements.
  • the rolling friction achieved when the displacement table 4 moves due to the raised rollers 10 of the roller units 8 makes it possible to dimension the displacement cylinder 16 much smaller than is the case with known forging presses with - also fast-wearing - tables to be displaced in guideways or slideways.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Saccharide Compounds (AREA)

Claims (8)

1. Presse à forger comprenant une table coulissante portant des outils et mobile en mouvement ascendant et descendant,
caractérisée
en ce que la table coulissante (4) est disposée sur un banc (2) de table présentant un transporteur à rouleaux (1) équipé de rouleaux (10) mobile en mouvement ascendant et descendant, et la table coulissante (4) et le banc (2) de la table sont munis, sur leurs surfaces qui sont dirigées l'une vers l'autre, de butées (5, 5′) qui s'imbriquent les unes dans les autres et qui sont décalées les unes par rapport aux autres d'un pas de division (T).
2. Presse à forger selon la revendication 1,
caractérisée
en ce que les butées sont des plaques (5, 5′) qui font saillie sur la table coulissante (4) ou sur le banc (2) de la table.
3. Presse à forger selon la revendication 1 ou 2,
caractérisée
en ce que les plaques de butée (5, 5′) sont interchangeables.
4. Presse à forger selon une ou plusieurs des revendications 1 à 3,
caractérisée
en ce que les bords longitudinaux des butées (5, 5′) sont munis de surfaces obliques (19).
5. Presse à forger selon la revendication 1,
caractérisée
en ce que des rainures et languettes de la table coulissante (4) et du banc (2) de table forment les butées (5, 5′) .
6. Presse à forger selon une ou plusieurs des revendications 1 à 5,
caractérisée
en ce qu'au moins deux rouleaux (10) sont regroupés en une unité de rouleaux (8) enfermées sous carter.
7. Presse à forger selon la revendication 6,
caractérisée
par des rouleaux (10) munis d'une lubrification de longue durée.
8. Presse à forger selon une ou plusieurs des revendications 1 à 7,
caractérisée
par des conduites d'air comprimé (17) agencées au-dessous de la table coulissante (4).
EP91108508A 1991-05-25 1991-05-25 Presse à forger Expired - Lifetime EP0484623B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT91108508T ATE76339T1 (de) 1991-05-25 1991-05-25 Schmiedepresse.
DE9191108508T DE59100001D1 (de) 1991-05-25 1991-05-25 Schmiedepresse.
ES199191108508T ES2033168T3 (es) 1991-05-25 1991-05-25 Prensa de forja.
EP91108508A EP0484623B1 (fr) 1991-05-25 1991-05-25 Presse à forger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91108508A EP0484623B1 (fr) 1991-05-25 1991-05-25 Presse à forger

Publications (2)

Publication Number Publication Date
EP0484623A1 EP0484623A1 (fr) 1992-05-13
EP0484623B1 true EP0484623B1 (fr) 1992-05-20

Family

ID=8206771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108508A Expired - Lifetime EP0484623B1 (fr) 1991-05-25 1991-05-25 Presse à forger

Country Status (4)

Country Link
EP (1) EP0484623B1 (fr)
AT (1) ATE76339T1 (fr)
DE (1) DE59100001D1 (fr)
ES (1) ES2033168T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4127237A1 (de) * 1991-08-17 1993-02-18 Schuler Gmbh L Presse mit pressen- und schiebetisch
SE518669C2 (sv) * 2001-03-13 2002-11-05 Morphic Technologies Ab Maskin för tillverkning av föremål
CN111819015B (zh) * 2018-02-14 2022-06-07 日本精工株式会社 搬送系统、摆动锻造方法、摆动锻造装置、轴承的制造方法、车辆的制造方法、机械装置的制造方法
US11959515B2 (en) 2018-02-14 2024-04-16 Nsk Ltd. Conveying system, rotary forging method, rotary forging apparatus, method for manufacturing bearing, method for manufacturing vehicle, and method for manufacturing mechanical device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2161917C3 (de) * 1971-12-14 1979-04-26 Maschinenfabrik Weingarten Ag, 7987 Weingarten Verfahrbare, sowie heb- und senkbare Werkzeugträgerplatte oder Schiebetisch für Pressen
DE2715782A1 (de) * 1977-04-07 1978-10-19 Ural Z Tjaschelogo Mash Im Ser Vorrichtung zum anordnen eines werkzeuges auf dem ausfahrbaren tisch einer hydraulischen freiformschmiedepresse
CH667833A5 (en) * 1985-04-09 1988-11-15 Astrol S A Machine tool pallet-changing mechanism - has pallet mounting bosses with self-centring action and securing clamps

Also Published As

Publication number Publication date
ATE76339T1 (de) 1992-06-15
ES2033168T3 (es) 1993-03-01
EP0484623A1 (fr) 1992-05-13
DE59100001D1 (de) 1992-07-23

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