EP0017643A1 - Presse à ferraille - Google Patents

Presse à ferraille Download PDF

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Publication number
EP0017643A1
EP0017643A1 EP80890017A EP80890017A EP0017643A1 EP 0017643 A1 EP0017643 A1 EP 0017643A1 EP 80890017 A EP80890017 A EP 80890017A EP 80890017 A EP80890017 A EP 80890017A EP 0017643 A1 EP0017643 A1 EP 0017643A1
Authority
EP
European Patent Office
Prior art keywords
die
press
recess
scrap
pressed
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.)
Granted
Application number
EP80890017A
Other languages
German (de)
English (en)
Other versions
EP0017643B1 (fr
Inventor
Alfred Stich
Ernst Artner
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.)
Voestalpine AG
Original Assignee
Voestalpine 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.)
Filing date
Publication date
Application filed by Voestalpine AG filed Critical Voestalpine AG
Publication of EP0017643A1 publication Critical patent/EP0017643A1/fr
Application granted granted Critical
Publication of EP0017643B1 publication Critical patent/EP0017643B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars

Definitions

  • the invention relates to a scrap press for pressing together, in particular, rolled sheets with a die mounted in a press frame and receiving the sheets in a recess and a press die which can be pressed against the die recess.
  • a disadvantage of this known device for compressing pipes is, above all, that a comparatively large number of work steps are necessary to produce the scrap packs, and that the flattening of the pipes to form elbows with adjacent pipe walls results in a high level of deformation resistance which prevents the legs from bending against one another Contra-angles affected. It is therefore to be expected that the legs will spring open after the pressing process, which of course has an unfavorable effect on the space required for the scrap packages.
  • the invention is therefore based on the object to improve a scrap press of the type described above with simple means so that the resulting bundles of sheet metal can not only be pressed flat, but can also be folded without any special effort, in terms of volume-favorable press packages to ensure that the scrap hoppers are filled to a high degree.
  • the invention achieves the stated object in that the die is rotatably mounted in the press frame about a horizontal axis running in the longitudinal direction of its sector-shaped recess and can be pivoted between two rotational positions in which the bisector of the opening angle of the die recess is in the stroke direction of the press die and then transversely runs to it.
  • the sheet to be scrapped By pivoting the die about an axis running in the longitudinal direction of the recess, it is achieved that the sheet to be scrapped can be pressed together in the same press in two mutually transverse directions.
  • the sheet metal to be scrapped is first pressed into the sector-shaped recess of the die, whereby it assumes a V-shaped shape, regardless of whether it is a sheet metal sheet or a sheet metal bundle.
  • the sheet metal collar is namely buckled and pressed flat by the press die pressed against the die, the V-shaped shape which is required for the subsequent folding being achieved by pressing the pressed-in bundles against the walls of the die recess.
  • the die is pivoted through an angle of approximately 90 0, so that pressed against each other the two legs of the V-shaped pre-pressed sheet in recent press stroke and folded into a flat package. It must of course be ensured that the press ram can be moved past the wall of the recess pointing upwards after the die pivoting against the upstanding leg of the V-shaped sheet, which can be done in a simple manner by a correspondingly short recess wall is guaranteed.
  • the press die Since there is a die rotation position for the pre-pressing of the sheet metal, in which the bisector of the opening angle of the die recess extends approximately in the stroke direction of the press die, the press die also engages radially on the sheet metal collar to be pressed in, which thus remains essentially without torque load and consequently securely in the die recess is recorded, which would not be the case with an eccentric load.
  • the axis of rotation of the die is advantageously placed in the region of the Hübbahn of the press die.
  • the die can be mounted on spring-supported guide rollers in the press frame and can be pressed against a support surface of the press frame by the press ram against the force of the roller support springs.
  • the pressure load on the rotary bearing is thus kept low because the press pressure can be transmitted directly to a support surface of the press frame.
  • the support springs of the guide rollers only have to be so strong that they can lift the die with the sheet from the support surface to avoid sliding friction.
  • a stop for the free leg end of the sheet already pre-pressed in a V-shape in the other die rotation position is provided in the die rotation position with the bisector of the recess approximately transverse to the stroke direction of the press die in the region of the lower wall of the recess.
  • Such a stop is absolutely necessary if the V-shaped pre-pressed sheet is to slide a little in the pivoted die position along the lower wall of the recess in order to obtain the most favorable point of attack for the press die for the final pressing of the sheet.
  • the stop can also be arranged adjustable.
  • the finished pressed sheet can be very easily removed from the scrap press, for which purpose only the stop has to be countersunk. Because of the force of gravity, the finished pressed sheet slips from the die recess onto the sloping sliding surface and is passed on accordingly by the latter.
  • the sliding surface can be arranged on a trolley which can be moved transversely to the axis of rotation of the die and by means of which the pressed scrap packages are moved to the scrap trough.
  • the deposit in the scrap trough can be carried out without great effort if the stop is formed by at least two double-armed levers mounted at the same axis in the trolley, which at their end facing away from the die carry retaining lugs for the finished pressed sheet that can be lowered into the sliding surface.
  • the oppositely moving retaining lugs are pivoted forward over the sliding surface according to this arrangement, so that the finished pressed sheet comes onto the sliding surface and slides as far as the retaining lugs.
  • the levers become pivoted in the sense of lowering the retaining lugs, which has the consequence of the scrap packs sliding off the wagon.
  • the stop preventing the sheets to be pressed from escaping from the die is pivoted up; which takes effect after the tram has returned.
  • the best folding results are obtained, in particular in the case of a swiveling press ram, when the sheet layers of one leg lie against one another as gap-free as possible during the pre-pressing of the sheet metal bundles.
  • This can be ensured in that the opening angle of the sector-shaped recess of the die is larger than the opening angle of the correspondingly shaped press ram, wherein in the pressing position a flank of the press ram runs parallel to a wall of the recess.
  • the scrap press shown essentially consists of a frame 1 which carries the press ram 2 on pivotable arms 3. These arms 3 are pivoted via hydraulic cylinders (not shown), the press ram 2 interacting with a die 4.
  • the die 4 has a sector-shaped recess 5 and is one in the longitudinal direction of the Aus Take 5 extending, horizontal axis rotatably mounted in the press frame 1.
  • the die 4 is supported on guide rollers 6, which roll in guide rails 7 shaped according to a circular path on lateral cheeks 8 of the die 4.
  • the guide rollers 6 are slidably inserted with respect to the guide rails 7 radial guides 9 and are loaded by a plate spring assembly 10, so that the die 4 is raised in the rest position of the press from a concentrically arranged to the axis of rotation of the die support surface 11 against which it a load by the press ram, 2 is pressed.
  • This ensures, on the one hand, a simple rotary mounting of the die and, on the other hand, ensures that the press forces applied during the working stroke of the press ram 2 are transferred to the press frame 1 without any particular bearing load.
  • the die 4 has a cylindrical peripheral surface for this.
  • a loading trough 12 is pivotably articulated on the press frame 1, from which the metal bundles 13 to be compressed are tilted into the die recess 5, as is indicated in FIG. 1.
  • the die 4 is in a rotational position in which the bisector of the opening angle of its recess 5 extends approximately in the stroke direction of the press ram.
  • the collar 13 lying in the recess 5 is therefore pressed in radially and pressed flat against the walls of the die recess 5, as shown in FIG. 2.
  • the opening angle of the sector-shaped recess 5 is larger than the opening angle of the correspondingly shaped press die, the press die 2 lying in the pressing position with a flank parallel to the wall 14 of the recess 5.
  • the sheet metal layers of the leg of the V-shaped pre-pressed collar 13 located between the wall 14 and the press die 2 are in any case close together, which facilitates the further folding of the pre-pressed collar.
  • the stroke of the press ram 2 does not run in a straight line as a result of the storage via swivel arms 3.
  • the die 4 is pivoted into a rotational position when the press die 2 is raised, in which the bisector of the opening angle of the die recess extends transversely to the stroke direction of the press die, as shown in FIG. 3.
  • This rotational position which is determined by a stop 15 fixed to the frame, causes the pivoted, V-shaped, pressed sheet metal now to slide along the lower wall 14 of the recess 5 to a stop 16, which is supported by two axially mounted in a trolley 17, double-armed Lever 18 is formed.
  • The is used to unload the scrap press Trolley 17, which can be moved transversely to the recess 5 and has a sliding surface 19 which connects to the die recess 5 when the trolley is not extended and receives the finished pressed sheet when the stop 16 is sunk by pivoting the lever 18. So that the sheet cannot slide off the sliding surface 19, the levers 18 have at their end remote from the die 4 holding lugs 20 which protrude above the sliding surface 19 when the stop 16 is lowered and are sunk into the sliding surface 19 when the stop 16 is raised. After lowering the stop 16, the finished pressed sheet package slides on the trolley 17 over its sliding surface 19 to the retaining lugs 20 and can, as indicated by dash-dotted lines in FIG. 5, be conveyed away from the press to a scrap trough 21, where it is dropped by sinking the retaining lugs 20 into the trough 21.
  • the trolley 17 only has to be reset and the die 4 swiveled back into its starting position.
  • the press shown is particularly suitable for compressing rolled sheets, it is not restricted to this area of use. Sheet metal sheets can also be easily folded using this scrap press.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP19800890017 1979-03-21 1980-02-13 Presse à ferraille Expired EP0017643B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT210179A AT360343B (de) 1979-03-21 1979-03-21 Schrottpresse
AT2101/79 1979-03-21

Publications (2)

Publication Number Publication Date
EP0017643A1 true EP0017643A1 (fr) 1980-10-15
EP0017643B1 EP0017643B1 (fr) 1982-05-12

Family

ID=3527767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800890017 Expired EP0017643B1 (fr) 1979-03-21 1980-02-13 Presse à ferraille

Country Status (3)

Country Link
EP (1) EP0017643B1 (fr)
AT (1) AT360343B (fr)
DE (1) DE3060393D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001875A1 (fr) * 1986-09-10 1988-03-24 Smithkline Beckman Corporation Immunomodulation
DE9203223U1 (de) * 1992-03-11 1992-05-14 K.K.P. Konstruktive Kunststoff-Produkte Handelsgesellschaft Mbh, 8744 Mellrichstadt Kleinpresse zum Umformen von Blechdosen o.dgl. zwecks deren Volumen-Reduzierung
DE4122254A1 (de) * 1991-07-05 1993-01-14 Heinz Jirku Mechanische dosenpresse
CN108437522A (zh) * 2018-03-02 2018-08-24 山东省水利科学研究院 采用驱动装置的河道治理易拉罐自动回收系统的回收方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603270A (en) * 1952-07-15 can crusher -
US3071176A (en) * 1961-01-24 1963-01-01 Askinazy Leo Hemming and crimping die
CH425701A (de) * 1964-11-02 1966-12-15 Voest Ag Abkantvorrichtung
US3777659A (en) * 1972-08-10 1973-12-11 H Mccarten Can crusher

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603270A (en) * 1952-07-15 can crusher -
US3071176A (en) * 1961-01-24 1963-01-01 Askinazy Leo Hemming and crimping die
CH425701A (de) * 1964-11-02 1966-12-15 Voest Ag Abkantvorrichtung
US3777659A (en) * 1972-08-10 1973-12-11 H Mccarten Can crusher

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001875A1 (fr) * 1986-09-10 1988-03-24 Smithkline Beckman Corporation Immunomodulation
DE4122254A1 (de) * 1991-07-05 1993-01-14 Heinz Jirku Mechanische dosenpresse
DE9203223U1 (de) * 1992-03-11 1992-05-14 K.K.P. Konstruktive Kunststoff-Produkte Handelsgesellschaft Mbh, 8744 Mellrichstadt Kleinpresse zum Umformen von Blechdosen o.dgl. zwecks deren Volumen-Reduzierung
CN108437522A (zh) * 2018-03-02 2018-08-24 山东省水利科学研究院 采用驱动装置的河道治理易拉罐自动回收系统的回收方法
CN108437522B (zh) * 2018-03-02 2023-08-04 山东省水利科学研究院 采用驱动装置的河道治理易拉罐自动回收系统的回收方法

Also Published As

Publication number Publication date
EP0017643B1 (fr) 1982-05-12
DE3060393D1 (en) 1982-07-01
ATA210179A (de) 1980-05-15
AT360343B (de) 1980-01-12

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