EP1323518B1 - Presse hydraulique - Google Patents

Presse hydraulique Download PDF

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Publication number
EP1323518B1
EP1323518B1 EP02027673A EP02027673A EP1323518B1 EP 1323518 B1 EP1323518 B1 EP 1323518B1 EP 02027673 A EP02027673 A EP 02027673A EP 02027673 A EP02027673 A EP 02027673A EP 1323518 B1 EP1323518 B1 EP 1323518B1
Authority
EP
European Patent Office
Prior art keywords
guide box
pressure pad
pressing apparatus
hydraulic pressing
hold
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
EP02027673A
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German (de)
English (en)
Other versions
EP1323518A2 (fr
EP1323518A3 (fr
Inventor
Klaus Wetzel
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.)
Schrott Wetzel GmbH
Original Assignee
Wetzel Gertrud
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Filing date
Publication date
Application filed by Wetzel Gertrud filed Critical Wetzel Gertrud
Publication of EP1323518A2 publication Critical patent/EP1323518A2/fr
Publication of EP1323518A3 publication Critical patent/EP1323518A3/fr
Application granted granted Critical
Publication of EP1323518B1 publication Critical patent/EP1323518B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/301—Feed means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3078—Presses specially adapted for particular purposes for baling; Compression boxes therefor with precompression means
    • 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
    • B30B9/326—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars provided with shearing means for the scrap metal, or adapted to co-operate with a shearing machine

Definitions

  • the invention relates to a hydraulic pressing device, as used in particular for compressing metal scrap of all kinds.
  • metallic industrial scrap is supplied in processed form to melts from which crude steel is produced or components are cast, e.g. Cylinder blocks for engines or side walls of printing presses, to name a few examples.
  • foundry scrap or cupola scrap the outer dimensions of about 0.6 m x 0.6 m x 0.6 m. Because of their smaller outer dimensions compared to blast furnaces of steel mills, foundry furnaces have smaller feed openings which accordingly require smaller outer dimensions of the scrap material.
  • foundry-sheared scrap predominantly has materials in the wall thickness range between 3 and 8 mm. In the range of this material thickness, material used as normal scraps scrap for use in steelworks, which is present in a wall thickness range between 2 to 6 mm.
  • Industrial and demolition scrap generally comprises metallic parts with wall thicknesses> 6 mm and significantly higher.
  • Metal scrap which is obtained in a wide variety of external dimensions and geometries, requires suitable processing for use in steel mills or foundries.
  • hydraulic pressing devices are usually used, in which the supplied scrap raw material is plastically deformed by applying pressure.
  • rectangular guide box are closed by hydraulically actuated cover, then moves a likewise usually hydraulically actuated side basket to reduce the volume to the scrap raw material contained in the guide box.
  • the scrap material is pressed.
  • a longitudinal thrust moves into the guide box and pushes the plastically deformed material contained in the guide box in the direction of an outlet opening.
  • the outlet opening is associated with a hold-down device and arranged downstream of a separating device whose separating element separates the ejected material to a predeterminable length.
  • a method for operating a Scherenwovenpresse and a Schervolierpresse is known.
  • a first compression step is carried out for pre-compression of the discontinued material, in particular of scrap metal and sheet metal waste.
  • This is followed by a second compression step for intermediate compression of the material pre-compacted onto the package width.
  • the final compaction of the material takes place to the final density or length of the package.
  • the stamp-shaped configured compressor is integrally formed in the guide box in the horizontal direction movable.
  • the hydraulic press devices known from the prior art have the disadvantage that their outlet opening has a predetermined fixed width in the region of the hold-down device.
  • the width extension of the pushed out of the guide box by means of the longitudinal thrust and to be separated from the separator in batches material is fixed, as determined by the width of hold-down and outlet opening the outlet width.
  • normal steel scrap with a width of between 0.8 to 1.5 m and cupola scrap of a smaller width, e.g. Only 0.6 m is required two separate hydraulic pressing devices are required, each of the ready-made outlet openings for the processed, i. have plastically deformed scrap material.
  • US 5,205,604 relates to a hydraulic pressing device for pressing mainly metallic material, which comprises hydraulic devices and a guide box. At one end of a retractable into the guide box longitudinal thrust is arranged and at the other end there is an outlet opening, which is arranged downstream of a separating device. A side surface of the guide box is movable relative to the other side surface of the guide box, wherein the guide box is closable by means of a cover assembly. To adapt to different widths of the guide box, a steel plate is exchangeably received at the head of the longitudinal thrust, each having a width which is matched to the positions, which can be set, the movable side surface of the guide box to process different scrap formats.
  • the scrap shear is used for cutting loose or pre-compacted scrap and has a split rammer, in which a filler is optionally attachable to the rammer or the scissor stand.
  • the rammer has a rectangular recess with the cross section of the filler. In this rectangular Recess is a horizontally arranged rammer with little play inserted, the filler is located above the horizontal rammer with low clearance.
  • the object of the invention is to provide a hydraulic pressing device which can be operated flexibly with regard to the dimensions of the processed scrap material.
  • the device of the hydraulically actuated side basket whose front side constitutes a side surface of the guide box, is set in a further set-up position.
  • the further setup position corresponds in terms of their width to the entire width of the outlet opening in the region of the portal, which is also arranged downstream of the hydraulically actuated separating device.
  • both parts of the split-mounted feed travel into the guide box, which is delimited on the one hand by a stationary wall and on the other hand by the end face of the side basket located in the further set-up position. The feed pushes the scrap material to the outlet opening of the guide box.
  • the split trained hold-down assembly moves completely in a vertical upward direction, after advancing the selected confectioning length of the processed scrap material and before activation of the separator moves the shared runner assembly down, fixes the scrap material before the projecting part of the plastically deformed over the trained Niederhalteran teaspoon part Scrap material is separated by means of the hydraulically actuated separator.
  • a plurality of scrap material batches assembled differently with respect to their external dimensions can be continuously produced on a hydraulic pressing device.
  • the productivity of the hydraulic press of the pressing device proposed according to the invention is particularly favorable when the length of the guide box is in the range of several meters, e.g. about 9 m and more.
  • the downstream of the outlet opening of the portal for receiving the scrap material separating means comprises a separating edge, which is guided in both sides guides, which corresponds with its width of the total width of the split hold-down assembly.
  • the first Hold-down device as well as the second hold-down device of the split-shaped holding-down device can each be moved independently of one another via a separate actuating element.
  • hydraulic cylinders are particularly suitable, with which high pressing forces can be generated.
  • the hold-down devices are guided within a portal section in vertical guides, the side walls of which can be provided with reinforcing rib structures.
  • the laterally limiting the guide box, perpendicular to the feed direction of the scrap material entering the guide box side basket can be actuated via a synchronizing shaft.
  • pivoting arms can be accommodated, to which the pressure-medium-loaded cylinders traveling perpendicular to the direction of advance of the scrap material, such as the side basket, can be accommodated.
  • Hydraulic cylinder - can be attached.
  • the pressure-medium-loaded cylinders traveling the side basket perpendicular to the direction of advance of the compressed scrap material can also be directly attached to the substructure, i. be arranged on the machine bed of the guide box.
  • the side basket of the hydraulic press device is preferably adjustable within the guide box into a first set-up position corresponding to the width of the first hold-down, i. corresponds to the narrower blank.
  • the hydraulically actuated side basket can be set within the guide box of the hydraulic pressing device in a corresponding further set-up position corresponding to one of the total width of the first and the second hold-down of the split-down holding arrangement. In the second set-up position, the entire outlet opening can be utilized for the exit of plastically deformed, pre-compressed scrap material.
  • the first setup position is preferably in a width, based on the feed direction of the scrap material - between 0.5 and 0.7 m, wherein the second setup position corresponding width is 0.7 to 1.5 m, depending on the total width of the split hold-down assembly or after total width of the outlet opening at the portal end of the guide box.
  • the longitudinal thrust formed in accordance with the division of the hold-down on the portal-side end of the guide box comprises cylinders subjected to pressure medium - preferably hydraulic cylinders - which can be activated depending on the selected first or second setting position of the side basket.
  • the guide box is closed by means of a lid, whose width in the closed state of the lid exceeds the total holddown width. This ensures that when pressing the scrap material within the guide box, ie when volume change of the scrap material, the generated hydraulic forces can be exploited as possible for the deformation of the scrap material and this can not escape from the closed guide box space.
  • the lid with which the guide box of the hydraulic pressure device can be closed, can also be designed in several parts, wherein a first lid part of the lid assembly and a second lid part of the lid assembly can be actuated independently via cylinders tikstoffbeetzschlagbare.
  • the filling of the guide box space in which the change in volume of the plastically deformable scrap material takes place, can be facilitated by means of a filling trough arranged laterally at the upper region of the guide box and which can be pivoted about an axis of rotation.
  • a preparation of the next to be pressed batch of scrap material in the filling can be done.
  • FIG. 1 The plan view of a hydraulic pressing device with a hydraulically movable side body and split feed device can be seen in FIG.
  • the hydraulic pressing device 1 shown in FIG. 1 may comprise a protective wall 2 with which the region of a filling trough (see illustration according to FIGS. 3 and 4) can be secured against falling scrap parts.
  • the hydraulic pressing device comprises a machine bed 3 and a gantry arrangement 4, which is arranged at the exit-side end of a guide box 62 above the machine bed 3.
  • a gantry arrangement 4 which is arranged at the exit-side end of a guide box 62 above the machine bed 3.
  • downers are arranged, of which in Figure 1, the hold-down cylinder 6 are shown. Downstream of the hold-down cylinder 6, located on the portal 4, two knife cylinder 5, which act on a not shown in Figure 1 separating element.
  • FIG. 1 shows that the cylinders 5 and 6 for the hold-down devices and the separating element are located in the upper area of the portal 4 and are subjected to pressure medium via a hydraulic block 9 assigned to the portal 4.
  • the portal 4 comprises column elements 7, which stiffen the portal 4.
  • the holding-down devices, not shown in FIG. 1, are guided in the vertical direction in hold-down guides 8, in order to avoid a deflection of the split-shaped hold-down arrangement (cf. illustration in FIG. 3).
  • FIG. 1 From the plan view of Figure 1 shows that the guide box 62 is limited on the one hand by the end face 12 of a hydraulically actuated side basket 11 and on the other hand by a arranged on the machine bed 3 stationary side wall 38.
  • the side basket 11 is actuated in the illustration of Figure 1 via three pressure-medium-loaded cylinder, the piston rods are each marked with reference numeral 13.1.
  • a synchronizing shaft 14 may be provided with a first pivot arm 15 and a second pivot arm 16.
  • the hydraulic cylinders 13 may be received on a platform above the guide box 62 and cause a delivery of the side basket 12 connected in hydraulic cylinders 13 to the scrap material to be pressed contained in the guide box 62.
  • the hydraulic cylinders 13 are acted upon with fluid, so that the piston rods 13.1 extend synchronously from the hydraulic cylinders 13 and deliver the side basket 11 in the direction of the stationarily arranged side wall 38 of the guide box 62.
  • the hydraulic cylinders 13 for actuating the side basket 13 and the hydraulic cylinder pairs 27 and 28, which actuate a cover assembly 25 which comprises a first cover part 25.1 and a second cover part 25.2, are acted upon and controlled by a hydraulic block 17 associated with the machine bed 3.
  • the synchronizing shaft 14 with pivot arms 15, 16 formed thereon supports the parallel guidance of the side basket 11.
  • the portal 4 remote from the end of the guide box 62 is bounded by an end face 18 of the machine bed 3.
  • the bottom 19 of the guide box 62 is designated by reference numeral 19; the line of symmetry of the guide box 62, which in the illustration according to FIG. 1 has a guide box width 24, is designated by the reference numeral 20.
  • the longitudinal thrust 21 is advantageously divided into a first feed part 31 and a second feed part 32.
  • Each of the feed parts 31 and 32 can be controlled via a separate hydraulic cylinder, while the first feed 31 can be actuated independently of the second feed 32.
  • the longitudinal thrust 21 is retracted in a longitudinal thrust guide 23 corresponding to the direction of movement 22, which is received by a base 37.
  • the dividing joint of the split longitudinal slide 21 is designated by reference numeral 30, the total length 29 of the guide box 62 extends from the end face 18 to the outlet opening 10 at the front end of the portals 4 and is of the order of 9 m and more.
  • the first feed 31 and the second feed 32 are hydraulically operated - according to the registered double arrows - movable.
  • the total width of both feeds 31 and 32 corresponds to the Intelniederhalterbreite 54 of the split trained Niederhalterantechnisch (not shown in Figure 1), wherein the width of the first feed 31 of the width of the narrower blank holder of the split holddown assembly corresponds and the width of the second feed 32 of the width of the broader hold-down of the split holddown assembly corresponds.
  • the total width 24, which corresponds to the width of the guide box 62 in a second set-up position, corresponds to the width of the outlet opening 10 and the largest possible width of the scrap material batch, which leaves the inventive configured hydraulic pressing device 1 through the outlet opening 10.
  • FIG. 2 shows the hydraulic pressing device as shown in FIG. 1 in a side view with the longitudinal thrust 21 moved back out of the machine bed.
  • the substructure of the longitudinally formed thrust 21 which has been retracted from the guide box 62 of the hydraulic pressing device 1 is designated by reference numeral 37.
  • a wheelhouse 36 In addition to the lower section 37 and the retracted longitudinal thrust 21 there is a wheelhouse 36.
  • the cover arrangement 25 which comprises the first cover part 25.1 and the second cover part 25.2, is shown in its open position.
  • Each of the cover parts 25.1 and 25.2 is controlled via a pair of hydraulic cylinders 27, 28 which are received in Hydraulikzylinderlagem 41 on the machine bed 3, 44 of the hydraulic pressing device 1.
  • Reference numeral 26 denotes the Deckelanlenkung the respective first cover part 25.1 and the second cover part 25.2.
  • stiffening ribs 40 are formed on the cover parts 25.1 and 25.2.
  • FIG. 2 furthermore shows that in the region of the divided-down holding-down arrangement on its side wall 42 a stiffening Verrippung 43 is applied, wherein between the vertically extending webs of the ribbing 43, the hold-down guide 8 is arranged.
  • the concealed in Figure 2 through the portal 4 outlet opening of the closable by means of the split lid 25 guide box 62 is marked with reference numeral 20.
  • Reference numeral 46 denotes the longitudinal thrust device returned from the interior of the guide box 62 of the hydraulic press device 1, for example in the form of a rectangular or square-shaped punch.
  • Figure 3 shows the front view of the machine portal with two hydraulically operated holders of different sizes and acting as a separator guillotine knife.
  • a separating element 51 acting knife cylinder 5 are indicated, are recorded in hold-down guides 8, which extend in the vertical direction, a first hold-down 52 and a second hold-down 53 a split hold-down assembly in the vertical direction.
  • the bottom of the guide box 62, designated by reference numeral 19, may also be formed divided along a pitch.
  • the knife cylinders 6 which are also actuated in the portal 4 and actuate the first hold-down device 52 and the second hold-down device 53 are independently controllable by the portal-side hydraulic module 9 and move the first hold-down device 52 or the second hold-down device 53 within the portal 4 in the vertical direction.
  • the hold-down guides 8 prevent rotation of the first hold-down 52 or of the second hold-down 53 within the outlet opening 10 relative to each other.
  • both hold-downs 52, 53 move upward in a vertical direction.
  • the shared Trained longitudinal thrust 21 with its two feeds 31, 32 presses in the guide box 62 according to the second set-up position 24 pressed scrap material through the outlet opening 10.
  • both hold-down 52, 53 hired with their support side to the top of the scrap material batch before via the knife cylinder 5 is a vertical downward movement of the separating element 51 down.
  • a scrap material batch having a width 54 can be prepared and assembled on the hydraulic pressing device corresponding to the total hold-down width 54 of the first hold-down 52 and the second hold-down 53 of the divided hold-down arrangement (second set-up position).
  • the portal 4 comprises columns 7, with which the upper portal part is connected to the machine bed 3.
  • the hydraulic cylinder pairs actuating the cover arrangement 25 are designated by reference numerals 27 and 28, respectively.
  • a filling trough 47 is rotatably articulated, which is tiltable about the axis of rotation 48 by means of a piston rod 49.
  • the synchronizing shaft 14 is indicated on the pivot levers 15, 16, of which only the pivot lever 16 is shown here, with which the retracting side basket 11 is moved.
  • the protective wall 2 pivoting lever By means of the protective wall 2 pivoting lever, synchronizing axis and underlying components are protected against falling when filling the filling tray 47 scrap material parts.
  • Figure 4 shows the sectional view according to the section line IV-IV of Figure 2 by the hydraulic pressing device.
  • the side basket 11 can via the hydraulic cylinder 13 and the extending therefrom piston rods 13.1 both in a second set-up position 24 and in a first set-up position 64 are driven.
  • the first set-up position 64 corresponds to the width of one of the first hold-down 52, the second set-up position 24 of the total width of the hold-downs 52 and 53 of the split hold-down arrangement (see illustration of Figure 3).
  • the shaded area 59 shown in the guide box indicates the area occupied by the pressed scrap material within the guide box 62 in the second set-up position 24, which corresponds to the total hold-down width 54 of the hold-down members 52 and 53 of the split hold-down assembly.
  • the pressed scrap material is on the one hand supported by the bottom 19 of the guide box 62 and abuts against the stationary provided with a reinforcement 39 side wall 38 of the guide box 62.
  • Reference numeral 57 denotes the open position of the cover assembly 25, in which a filling of the guide box 62 by tilting the filling 47 takes place about the axis of rotation 48.
  • the tilting position of the filling trough 47 is denoted by reference numeral 60, while in the lowered position 61 of the filling trough 47, a filling of the same takes place with raw material, for example via a crane.
  • the lid assembly 25 is designed so that in the closed state 58 of the lid assembly 25, the compressed material in the hatched area 59 during the pressing process, i. during the retraction movement of the end face 12 of the side basket 11 is always completely covered, so that the generated hydraulic forces can be used effectively for the deformation of the scrap material and this material is not able to leak through a gap between retracted side basket 11 and open lid 25.
  • the operated via the hydraulic cylinder 13 and the extending therefrom piston rods 13.1 side basket 11 moves on the bottom 9 perpendicular to the feed direction of the material to be pressed on a bottom 56 and is in the representation of Figure 4 in its retracted position 55th
  • the thrust force generated at the separating device 5, 51 is in the range of approximately 1800 t, while the hold-down cylinders 6 each apply forces of up to 700 t.
  • the side cylinder 11 actuated hydraulic cylinder 13 bring pressure forces for plastic deformation of the scrap material of about 1100 t, while the cover parts 25.1 and 25.2 act on hydraulic cylinder pairs 27, 28 600 t apply.
  • the split feed 21; 31, 32 actuated hydraulic cylinders puts on 200 t, while the filling trough 47 about the axis of rotation 48 tilting cylinder generates a force corresponding to about 100 t.
  • Figure 5 shows the top view of a hydraulic pressing device 1, the side basket 11 is placed in a first set-up position 64.
  • a split hold-down assembly 52, 53 is shown at the exit end of the guide box 62.
  • the first hold-down device 52 and the second hold-down device 53 are separated from each other by a dividing joint 65 running obliquely in the illustration according to FIG.
  • the sides of the first hold-down 52 and the second hold-down 53 facing each other at the parting line 65 are designated by the reference numerals 52.1 and 53.1.
  • a locking mandrel 68 which is only indicated here, can be movably accommodated in the horizontal direction, with which the first hold-down 52 and the second hold-down 53 can be locked against each other to prevent twisting.
  • the first hold-down 52 and the second hold-down 53 are guided in Niederhalter Entryen 8 in the portal 4, not shown in Figure 5.
  • the front side of the divided hold-down arrangement 52, 53, which is assigned to FIG. 6, is identified by reference number 66, while the side of the divided hold-down arrangement 52, 53 which is located at the exit opening 10 is identified by reference number 67.
  • first set-up position 64 shown in Figure 5 is the end face 12 of the side basket 11, actuated by hydraulic cylinder 13 (not shown), approximately in extension to the parting line 65 between the first blank holder 52 and the second blank holder 53.
  • scrap material between the stationary wall 38 of the guide box 62 and the end face 12 of the side basket 11 is pressed.
  • the locking device 68 is set back within the second hold-down device 53 in the direction of the hold-down guide 8 assigned to it, so that the first hold-down cylinder 52 can be driven up by means of the hold-down cylinder 6 assigned to the first hold-down 52.
  • the pressed scrap material is fed to a guillotine cutter device 5, 51, not shown in FIG. 5, by means of which it is assembled into further processable lengths after the first hold-down 52 has been set.
  • a guillotine cutter device 5, 51 Corresponding to the length of the guide box 29 of the guide box 62 between the stationary side wall 38 and end 12 of the side basket 11 is fed by means of the first feed 31, which is in the direction of movement 22 in the guide box 62 and out of this expelled, pressed material of the separator 5, 51 fed.
  • the side basket 11 is placed in a further set-up position 24.
  • This set-up position 24 corresponds to the total hold-down width 54 of the split hold-down assembly 52, 53 (not shown in FIG. 5).
  • the first hold-down device 52 and the second hold-down device 53 locked by the locking device 68, move up or down in the vertical direction perpendicular to the drawing plane by simultaneous actuation of the hold-down cylinder 6 associated with the hold-downs 52, 53.
  • According to the set feed moves the split hold-down assembly 52nd , 53 from above to the pre-pressed material underneath, fixes this, before the pressed on the back 67 protruding and fixed by the hold-downs 52, 53 scrap material is separated by the separation device not shown in Figure 5.
  • Figure 6 shows schematically the locking device between the hold-downs of a split hold-down assembly.
  • the first hold-down device 52 and the second hold-down device 53 can be positively connected to one another by means of a locking device 68.
  • the locking device 68 may comprise a dome which can be actuated by means of a cylinder arrangement 71 provided in one of the hold-down devices - here in the second hold-down device 53. If the two hold-downs 52, 53 of the split hold-down arrangement are to be jointly actuated in accordance with the vertical movement marked by the double arrows 70, the mandrel 68 moves into an opening 69 provided on the side 52.1 of the first hold-down 52 delimiting the dividing joint 65.
  • Figure 7 is a split hold-down assembly with wedge-shaped insert removed.
  • the illustration according to FIG. 7 shows a divided hold-down arrangement which comprises the first hold-down 52 and the second hold-down 53.
  • the two down holders 52 and 53 are connected to hold-down cylinders 6 or their piston rods and are movable in the vertical direction indicated by the double arrows 70.
  • the first holding-down device 52 and the second holding-down device 53 delimit with their dividing side 52.1 or 53.1 a dividing joint 65.
  • the two holding-down devices 52, 53 can be moved relative to one another.
  • Hold-down edges 52.2 and 53.2 of the first and second hold-down 52, 53 extend over the total hold-down width 54 and form an edge 79.
  • the wide hold-down 53 comprises a wedge-shaped insert 72.
  • the insert is aligned with Hold-down edge 53.2 arranged and abuts with a short side 73 within a recess of the wide hold-down 53.
  • the wedge-shaped configured insert 72 is connected at an inclined side 74 by means of two fasteners 75 and 76 with the second hold-53.
  • the first attachment 75 and the second attachment 76 may be formed as screwed to allow easy replacement of the wedge-shaped configured insert 72.
  • the wedge-shaped configured insert 72 makes it possible to remove in an advantageous manner in the dividing joint 65 jammed material.
  • the wedge-shaped configured insert 72 may also be replaceably mounted in the first hold-down 52 by means of two or more fasteners 75 and 76, respectively. Due to the wedge-shaped configuration of the removable insert 72, a uniform introduction of force is ensured at its short side 73 and at its bevelled side 74 in the second hold-down 53.

Claims (17)

  1. Dispositif de presse hydraulique (1) destiné à la compression de matériaux plus particulièrement métalliques, avec des mécanismes hydrauliques (33, 34, 35), avec une boîte de guidage (62) comportant à l'une de ses extrémités (18) un dispositif de poussée axiale (21) rétractable dans la boîte de guidage (62), et à l'autre extrémité une ouverture d'évacuation (10) suivi d'un dispositif de séparation (5, 51), l'une des faces latérales (12) de la boîte de guidage (62) étant mobile par rapport à l'autre face latérale (38) de la boîte de guidage (62) et la boîte de guidage (62) pouvant être obturée par un agencement de couvercle (25), caractérisé en ce qu'un agencement d'immobilisation par pressage divisé (52, 53) dans un portique (4) est associé à l'ouverture d'évacuation (10) de la boîte de guidage (62) et en ce que le dispositif de poussée axiale présente des pièces d'avance actionnables séparément (31, 32), correspondant à la division de l'agencement d'immobilisation par pressage (52, 53).
  2. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que le dispositif de séparation (5, 51) comprend un élément de séparation (51) correspondant à la largeur totale de pressage (54) de l'agencement d'immobilisation par pressage divisé (52, 53).
  3. Dispositif de presse hydraulique selon la revendication 2, caractérisé en ce que le premier élément d'immobilisation par pressage (52) et le deuxième élément d'immobilisation par pressage (53) sont déplaçables indépendamment l'un de l'autre, chacun à l'aide d'un élément de manoeuvre distinct (6).
  4. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que le premier élément d'immobilisation par pressage (52) et le deuxième élément d'immobilisation par pressage (53) sont déplaçables à l'intérieur d'un portique (4), chacun dans des glissières verticales (8).
  5. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que le panier latéral (11) limitant latéralement la pression et pénétrant verticalement par rapport au dispositif d'avance des ferrailles (59) dans la boîte de guidage (62) peut être actionné via un arbre de synchronisation (14).
  6. Dispositif de presse hydraulique selon la revendication 5, caractérisé en ce que sur l'arbre de synchronisation (14) sont montés des bras mobiles (15, 16) qui assurent le guidage parallèle du panier latéral (11).
  7. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que les vérins comprimés par le fluide sous pression (13) traversant le panier latéral (11) sont montés directement sur les faces latérales du banc de machine (3, 44).
  8. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que le panier latéral (11) peut être placé dans la boîte de guidage (62), dans une deuxième position de réglage (24) appropriée, correspondant à la largeur totale d'immobilisation par pressage (54) du premier et du deuxième élément d'immobilisation par pressage (52, 53).
  9. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que le panier latéral (11) peut être placé dans la boîte de guidage (62), dans une première position de réglage (64) appropriée, correspondant à la largeur (31) du premier élément d'immobilisation par pressage (52).
  10. Dispositif de presse hydraulique selon la revendication 9, caractérisé en ce que la première position de réglage (64) se situe dans la plage comprise entre 0,5 et 0,7 m par rapport à la paroi latérale fixe (38) de la boîte de guidage (62).
  11. Dispositif de presse hydraulique selon la revendication 8, caractérisé en ce que la deuxième position de réglage (24) se situe dans la plage comprise entre 0,7 et 1,5 m par rapport à la paroi latérale fixe (38) de la boîte de guidage (62).
  12. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que les parties (31, 32) du dispositif de poussée axiale (21) peuvent être actionnés séparément, chacune par un vérin comprimé par un fluide sous pression.
  13. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que la boîte de guidage (62) peut être obturée par un agencement de couvercle (25) dont la largeur est supérieure à la largeur totale d'immobilisation par pressage (54), lorsque l'agencement de couvercle (25) est à l'état fermé.
  14. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que la boîte de guidage (62) peut être obturée par un couvercle en plusieurs parties (25.1, 25.2).
  15. Dispositif de presse hydraulique selon la revendication 14, caractérisé en ce que la première partie du couvercle (25.1) et la deuxième partie du couvercle (25.2) peuvent être actionnées indépendamment l'une de l'autre au moyen de vérins comprimables par un fluide sous pression (27, 28).
  16. Dispositif de presse hydraulique selon la revendication 1, caractérisé en ce que l'agencement d'immobilisation par pressage divisé (52, 53) comprend un insert (72) agencé de manière démontable, dans la zone d'une fente de séparation (65).
  17. Dispositif de presse hydraulique selon la revendication 16, caractérisé en ce que l'un des côtés de l'insert (72) cunéiforme est aligné sur l'un des côtés du serre-flanc (52.1) ou (53.2) et présente un côté court (73) ainsi qu'un côté incliné (74) s'appuyant sur l'un des serre-flancs (52, 53) de l'agencement d'immobilisation par pressage divisé.
EP02027673A 2001-12-17 2002-12-12 Presse hydraulique Expired - Lifetime EP1323518B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20120375U DE20120375U1 (de) 2001-12-17 2001-12-17 Hydraulische Preßvorrichtung
DE20120375U 2001-12-17

Publications (3)

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EP1323518A2 EP1323518A2 (fr) 2003-07-02
EP1323518A3 EP1323518A3 (fr) 2004-08-04
EP1323518B1 true EP1323518B1 (fr) 2006-05-24

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EP02027673A Expired - Lifetime EP1323518B1 (fr) 2001-12-17 2002-12-12 Presse hydraulique

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EP (1) EP1323518B1 (fr)
AT (1) ATE327093T1 (fr)
DE (2) DE20120375U1 (fr)
DK (1) DK1323518T3 (fr)
ES (1) ES2266394T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825821A (zh) * 2012-07-23 2012-12-19 太仓市旭冉机械有限公司 废金属压块机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141401A (en) * 1957-05-11 1964-07-21 Lindemann Machine for preparing scrap metal
DE1552623B2 (de) * 1966-08-10 1971-02-18 Demag Hydraulik GmbH, 4100 Duisburg Schere zum trennen von altmaterial wie sperrmuell blech schrott und kernschrott
DE1920131C3 (de) * 1969-04-21 1974-06-20 Rheinstahl Ag, 4300 Essen Schrottschere mit Vorverdichter
US4205604A (en) * 1979-03-29 1980-06-03 Mosley Machinery Company, Inc. Scrap shear machine with adjustable throat
EP0073283A1 (fr) * 1981-08-31 1983-03-09 MACHINES ET APPICLATIONS A L'ENVIRONNEMENT M.A.E. Société Anonyme dite: Cisaille à ferrailles
DE19804789B4 (de) * 1998-02-06 2004-04-08 Metso Lindemann Gmbh Verfahren zur Herstellung von Preßlingen mittels einer Scherpaketierpresse und Scherpaketierpresse zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
ATE327093T1 (de) 2006-06-15
DE20120375U1 (de) 2002-02-28
EP1323518A2 (fr) 2003-07-02
DK1323518T3 (da) 2006-09-25
DE50206877D1 (de) 2006-06-29
ES2266394T3 (es) 2007-03-01
EP1323518A3 (fr) 2004-08-04

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