EP1849591A1 - Presse - Google Patents

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Publication number
EP1849591A1
EP1849591A1 EP20060009003 EP06009003A EP1849591A1 EP 1849591 A1 EP1849591 A1 EP 1849591A1 EP 20060009003 EP20060009003 EP 20060009003 EP 06009003 A EP06009003 A EP 06009003A EP 1849591 A1 EP1849591 A1 EP 1849591A1
Authority
EP
European Patent Office
Prior art keywords
plate
press
die
press according
frame
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
EP20060009003
Other languages
German (de)
English (en)
Other versions
EP1849591B1 (fr
Inventor
Udo Baltruschat
Holger Behns
Carsten Jordt
Jan Naeve
Thomas Pannewitz
Martin Plucinski
Harald Römer
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.)
Fette GmbH
Original Assignee
Fette 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 Fette GmbH filed Critical Fette GmbH
Priority to EP06009003.2A priority Critical patent/EP1849591B1/fr
Priority to US11/734,530 priority patent/US7559755B2/en
Publication of EP1849591A1 publication Critical patent/EP1849591A1/fr
Application granted granted Critical
Publication of EP1849591B1 publication Critical patent/EP1849591B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • B30B15/041—Guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9461—Resiliently biased connection

Definitions

  • the invention relates to a press for producing dimensionally stable compacts of powder material according to claim 1.
  • Presses for the production of dimensionally compact compacts of powder material basically have a die, at least one upper and at least one lower punch, which compress the powder material in the cavity of the die from opposite sides.
  • Upper and lower punches are connected, for example, with the plunger or the piston rod of a hydraulic cylinder, which are mounted on the press frame.
  • the powder material is introduced into the die bore with a suitable filling device, the position of the lower punch normally defining the filling level or the filling volume. After pressing the material, the compact is removed from the die bore.
  • the pressing tools are usually not attached directly to the adjusting drives, but via so-called.
  • Adapters For example, the die is mounted on a die holding plate, which - if movable - in turn is connected by means of force transmission elements with an adjustment.
  • upper and lower dies which are attached to corresponding holding plates.
  • different pressing tools can be installed in an existing press.
  • the pressing force is measured to determine the maximum force with which the powder is compressed.
  • the Preßkraftverlauf the tools over the way or over time during the pressing process is helpful.
  • Another parameter is the position of upper and lower punches with respect to a reference, which is usually formed by the upper edge of the die.
  • a reference which is usually formed by the upper edge of the die.
  • suitable measuring systems the position of the tools on their adapters can indeed be measured, without a correction over the respective temperature and pressing force, the position determinations are not sufficiently accurate enough.
  • Out DE 102 54 656 B4 a typical hydraulic press has become known in which a die holding plate and a plurality of stamp carriers (adapters) are mounted in the press frame so as to be adjustable via hydraulic drives.
  • the known press support devices are provided which support the punch carrier in press end position relative to the main body of the press frame.
  • Out DE 3142126 B1 is a press for the production of stepped dimensionally pure Pulverpreßlingen made of ceramic material known in the lower punch bearing receiving plates are all hydraulically movable from a base plate and sit in the press end position as receiving plates on adjustable mechanical stops of the base plate.
  • the receiving plates are for ejecting the compacts after removal of the die and free coming into contact with the die in contact surface of the compact together in each case until the coming of the next contact surface gradually ACfahrbar.
  • the counterforce or support force is formed by mechanical stops in both presses.
  • Out DE 103 00 722 B3 has become known a press in which an upper and a lower carriage for the attachment of an upper and lower punch on a guide column are guided vertically.
  • the guide column is attached to a frame table on which the die holding plate is mounted.
  • a wear-free guidance of the holding plates takes place in that via an angle compensation element and a lateral compensation element is a connection of the carriage to the hydraulic drive.
  • the invention has for its object to provide a press for producing dimensionally stable compacts of powder material that can be easily adapted to the desired removal / removal of the compact from the die bore and also allows the lowest possible positioning of the tools.
  • a guide column is arranged outside a Hauptpreßachse with two parallel guideways on which all holding plates are guided on one side vertically.
  • the fitting of the holding plates to the guideways, which preferably run along guide rails, is such that the mounting of one web forms the reference side and the other the following side, in order to provide the necessary precision.
  • the guide rails are according to an embodiment of the invention in cross section dovetailed.
  • the guide column sits at the bottom firmly on a frame-fixed plate, with which preferably also the lower adjustment drive is connected, while the upper end is connected to the press frame, wherein it is fixed according to an embodiment of the invention only in the horizontal direction.
  • the press frame is known to absorb the pressing forces and thereby suffers a more or less pronounced deformation. However, this does not affect the guide column, if it is set only horizontally at the top, while in the vertical direction, a relative movement between the guide column and press frame is possible to keep thermal or Preßkraftverformitch the frame of the guide column.
  • the compact can be removed in the ejection or the withdrawal process, without the support plates must be replaced. It depends on the mode of operation of the press, which of the holding plates is brought into connection with the lower or the upper adjusting drive or which is to be fixed. Fixed stops are not required because the counterforce from the associated adjustment drive, e.g. Hydraulic cylinder can be applied. If, for example, the die holding plate can be moved during the withdrawal process, a feedthrough in the holding plate for the lower punch must be provided, so that force transfer elements can be connected by the adjusting drive to the die holding plate. When converting from the discharge operation to the withdrawal operation, therefore, the installation of such power transmission elements is required. The effort for this is relatively low. If two or more holding plates are provided for a plurality of lower punches, it is understood that at least up to the upper all holding plates must have openings for the passage of force transmission elements to the respective overlying holding plate.
  • the adjustment axes of the upper and lower adjustment are precisely aligned with each other.
  • the upper adjustment sits positively in an upper bearing plate, which in turn is bolted to an upper connection plate of the press frame.
  • An alignment plate is connected to the upper end of the guide column, and the bearing plate and alignment plate can be fixed to each other horizontally by a positive connection.
  • the lower adjustment is positively arranged in a lower bearing plate, wherein the guide column is supported on the lower bearing plate.
  • the bearing plate and alignment plate have at least a few aligned bores for receiving a dowel pin.
  • two pairs of holes and two dowel pins are provided. These ensure that the upper bearing plate are adjusted with the upper adjusting drive before the upper bearing plate is fixed to the connecting plate and thus the press frame.
  • the coupling takes place in the upper region, therefore, exclusively in the horizontal plane, while in the vertical direction a relative movement between press frame on the one hand and guide column on the other hand remains possible - as mentioned presskraft- and temperature-induced strains of the press frame not to transfer to the guide and the holding plates.
  • support columns of a press frame are arranged in a rectangle or square.
  • an embodiment of the invention provides that the guide column is arranged in a corner region of the rectangle or square on the inside of the associated frame column. This increases the flexibility in terms of horizontal transverse movements in die height and the accessibility of the die. Breakthroughs in the frame for the filling axis or for other transverse axes are therefore not necessary.
  • an embodiment of the invention provides that a single measuring ruler is attached to the guide column, wherein the number of cooperating with the measuring ruler measuring carriage corresponds to the number of holding plates.
  • the measuring ruler is fastened according to a further embodiment of the invention only in a reference plane of the pressing tools, which is preferably formed by the clamping plane of the die or Matrizenoberkante.
  • the thermal fixed point is located in the middle of the length measuring systems. This leads to a change of direction of the longitudinal extent when the measuring slide passes through this fixed point. Since the linear expansion is additionally affected by the attachment to which the length measuring systems are mounted, the influence of temperature and Preßverformungen on the measurement results is minimized in the invention.
  • the arrangement of the guide column a freely accessible press room is created. With the help of the press according to the invention, both the ejection and the discharge process can be realized.
  • the die level or the decrease height can be changed within limits.
  • the individual holding plates have identical behavior mutually on by the same deformations due to the same storage. Vertical forces on the guide column do not occur.
  • the storage of the holding plates is decoupled from the press frame, whereby deformations of the press frame by pressing forces and / or temperature does not directly affect the storage of the holding plates.
  • a bearing plate 10 can be seen, on which a guide column 12 is supported by a substantially rectangular or square cross-section.
  • the guide column 12 is preferably formed in one piece and may also be integrally formed with the bearing plate 10.
  • two parallel guide rails 14, 16 are mounted, preferably by means of screw, which are dovetailed in cross-section.
  • the vertical parallel guide rails 14, 16 support guide carriages 18, 20, 22, 24, 26, 28 and 30, 32, which are mounted on horizontal, axially spaced retaining plates 34 to 40.
  • the holding plates are constructed substantially the same and have T-shape in section.
  • the upper holding plate 34 is used for clamping a top punch (not shown)
  • the holding plate 36 is a die holding plate and is used for clamping a die
  • the lower holding plates 38, 40 are used for clamping Unterstkovn.
  • the holding plates 34 to 40 can be coupled to an upper and lower hydraulic drive, not shown in Figure 1 for the purpose of vertical adjustment along the guide rails 14, 16. This will be discussed below.
  • the lower holding plates 38, 40 have openings 42, 44 for the passage of power transmission elements of a lower hydraulic drive to the respective overlying holding plate, i. in the present case the die holding plate 36 and the holding plate 38th
  • a horizontal alignment plate 46 is fixed, which has two holes 48 near the free end.
  • a measuring ruler 47 is mounted on the measuring slide 48, 50, 52, 54 slide.
  • the measuring slides 48 to 54 are each coupled to a holding plate 34 to 40 or in operative connection. With the help of the measuring slide 48 to 54 and the ruler 47, the position of the Holding plates 34 to 40 determined and thus the position of the dies, not shown.
  • the press frame has four square-shaped, vertical support columns 56, which are connected to one another in the upper region by an upper connecting plate 58 and in the lower region by a connecting plate 60.
  • the connecting plates 58, 60 which extend horizontally, have circular openings 62 and 64, respectively.
  • the lower bearing plate 10 has a circular opening 66 in which a lower hydraulic drive 68 is positively inserted.
  • the bearing plate 10 is screwed into the opening of the connecting plate 60.
  • the guide column 12 is supported on a radial projection 70 of the bearing plate 10 and is screwed thereto.
  • An upper bearing plate 72 positively receives an upper hydraulic drive 74.
  • the bearing plate 72 can be screwed into a recess of the upper connecting plate 58.
  • the bearing plate 72 has two bores, one of which is shown at 76. They are aligned to the holes 48 of the alignment plate 46. Through the pair of holes dowel pins can be inserted, one of which is shown at 78 in Figure 2.
  • FIG 4 the arrangement of power transmission elements for the holding plates 36 to 40 is indicated.
  • the holding plate 36 extend from the hydraulic cylinder, not shown, to the bearing plate 10 power transmission elements 80, 82, which extend through the holding plates 38, 40 pass through the apertures 42, 44 shown in Figure 1.
  • Power transmission elements 84, 86 extend through the lower holding plate 40 through the openings 44 for actuating the holding plate 38 for a lower punch.
  • the lower holding plate 40 is finally actuated by power transmission elements 88, 90.
  • the holding plates 36 to 40 can be arbitrarily operated relative to each other or held in position.
  • the operation of the upper support plate 34 for the upper punch is not shown.
  • the die holding plate 36 can also be held in position by mechanical means, as shown in Figures 5 and 6, when an ejection method is intended.
  • the power transmission elements 80, 82 can be omitted.
  • FIGS. 5 and 6 the bearing plate 10 is omitted and instead the upper end of the lower hydraulic drive is indicated at 92.
  • the power transmission elements for the holding plates 36 to 40 indicated.
  • the pair of power transmission members 88, 90 for the lower holding plate 40 are omitted.
  • FIG. 5 shows an arrangement for the ejection method with the die support plate 36 fixed, while in FIG. 6 the extraction process can be realized.
  • one or both holding plates 38, 40 may be stationary, which is realized either by means of the lower hydraulic drive or also by mechanical support.
  • Figure 1 or 2 the arrangement of Figure 1 or 2 is schematically indicated. Again, the same parts in Figures 7 and 8 are provided with the same reference numerals with Figure 1. It can also be seen a die 102 on the die support plate 36, an upper punch 104 on the upper support plate 34 and a lower punch 106 on the lower support plate 38. Upper and lower punches 104, 106 cooperate with the die 102.
  • the pressing tools are shown in Figures 7 and 8 in a referencing position, wherein the upper edge of the die 103 is relevant for the referencing. Referencing sets the tool zero point of the system. Other tool parts refer to this zero point.
  • the thermal reference plane is the clamping plane of the die 102, i. the top of the Matrizenhalteplatte 36, with which the Meßschlitten 50 cooperates. In this plane, the measuring ruler 47 is fixed to the column 12 at 108, and only in this plane.
  • the measurement of the tool positions is not immediately possible, but - as mentioned - on the holding plates 34 to 38. Therefore, the temperature that is measured during referencing, must be included. A temperature measurement takes place at the points marked "T", ie at the holding plates 34 to 38, Upper punch 104 and lower punch 106 as well as in the die 102. When measuring the positions over the tool lengths 1 during operation, therefore, the value of the measured temperatures determined during referencing must be drawn in. In addition, in pressing forces occur length changes, which are measured by means of load cells, sensors or the like. These values must also be taken into account for correcting the respective tool positions.
  • a computer is required in which the signal values measured by the measuring ruler 47 as well as the temperature and force values are input in order to calculate the respective actual lengths 1 for determining the position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
EP06009003.2A 2006-04-29 2006-04-29 Presse Not-in-force EP1849591B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06009003.2A EP1849591B1 (fr) 2006-04-29 2006-04-29 Presse
US11/734,530 US7559755B2 (en) 2006-04-29 2007-04-12 Press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06009003.2A EP1849591B1 (fr) 2006-04-29 2006-04-29 Presse

Publications (2)

Publication Number Publication Date
EP1849591A1 true EP1849591A1 (fr) 2007-10-31
EP1849591B1 EP1849591B1 (fr) 2016-02-03

Family

ID=37074150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06009003.2A Not-in-force EP1849591B1 (fr) 2006-04-29 2006-04-29 Presse

Country Status (2)

Country Link
US (1) US7559755B2 (fr)
EP (1) EP1849591B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010051513A1 (de) * 2010-11-16 2012-05-16 Dorst Technologies Gmbh & Co. Kg Keramikpulver- und/oder Metallpulver-Pressenwerkzeug, Keramikpulver- und/oder Metallpulver-Presse, modulares System mit einem solchen Pressenwerkzeug, Verfahren zum Zusammensetzen eines solchen Pressenwerkzeugs
CN102928006B (zh) * 2012-11-09 2016-01-13 昆山迈致治具科技有限公司 旋转压合治具
CN109367104B (zh) * 2018-09-20 2023-09-15 宁夏鑫博宁精密机械有限公司 一种粉末成型机的成型装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013321A (en) * 1959-02-20 1961-12-19 Internat Clay Machinery Of Del Brick press
DE1427454A1 (de) * 1961-10-06 1969-02-27 Schuler Gmbh L Presse,Stanze od.dgl.
DE1679915A1 (de) 1967-01-24 1971-03-25 Buchmann Rudolf Ch Maschine zur Herstellung von Formteilen mit Anpassungsmoeglichkeiten an die Armaturen und Abmessungen der zur Verwendung kommenden Formen
DE1627919A1 (de) 1967-11-14 1971-07-22 John Haller Feingut-Brikettierpresse
DE7202076U (de) * 1973-02-08 Maschinenfabrik Hasenclever Gmbh Schmiedepresse
DE3142126A1 (de) 1981-10-23 1983-05-11 Dorst-Keramikmaschinen-Bau Otto Dorst U. Dipl.-Ing. Walter Schlegel, 8113 Kochel "presse zum herstellen masshaltiger presslinge aus pulverfoermigem material"
DE8604425U1 (de) * 1986-02-19 1986-05-07 Hoesch Maschinenfabrik Deutschland Ag, 4600 Dortmund Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten
DE3842914A1 (de) * 1987-12-29 1989-06-01 Thuringia Sonneberg Veb Presse
DE10300722B3 (de) 2003-01-11 2004-04-08 Johann Anderl Werkzeugführungsvorrichtung
EP1422050A2 (fr) * 2002-11-22 2004-05-26 Dorst Maschinen- u. Anlagenbau GmbH & Co. KG Dispositif pour fabriquer des articles pressés conservant leur dimension à partir de matières pulvérulentes
EP1625933A2 (fr) * 2002-04-16 2006-02-15 Aida Engineering Co., Ltd. Dispositif de guidage du coulisseau pour presse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134716A (en) * 1977-09-23 1979-01-16 Westinghouse Electric Corp. Press apparatus
US4260346A (en) * 1979-10-09 1981-04-07 Anderson Jr Raymond B Press assembly for powder material
US5580586A (en) * 1994-03-17 1996-12-03 Tamagawa Machinery Co., Ltd. Die control speed rate conversion device for powder mold press

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7202076U (de) * 1973-02-08 Maschinenfabrik Hasenclever Gmbh Schmiedepresse
US3013321A (en) * 1959-02-20 1961-12-19 Internat Clay Machinery Of Del Brick press
DE1427454A1 (de) * 1961-10-06 1969-02-27 Schuler Gmbh L Presse,Stanze od.dgl.
DE1679915A1 (de) 1967-01-24 1971-03-25 Buchmann Rudolf Ch Maschine zur Herstellung von Formteilen mit Anpassungsmoeglichkeiten an die Armaturen und Abmessungen der zur Verwendung kommenden Formen
DE1627919A1 (de) 1967-11-14 1971-07-22 John Haller Feingut-Brikettierpresse
DE3142126A1 (de) 1981-10-23 1983-05-11 Dorst-Keramikmaschinen-Bau Otto Dorst U. Dipl.-Ing. Walter Schlegel, 8113 Kochel "presse zum herstellen masshaltiger presslinge aus pulverfoermigem material"
DE8604425U1 (de) * 1986-02-19 1986-05-07 Hoesch Maschinenfabrik Deutschland Ag, 4600 Dortmund Hydraulische Presse zum Verpressen von mit Glasfasern verstärkten Kunststoffmatten
DE3842914A1 (de) * 1987-12-29 1989-06-01 Thuringia Sonneberg Veb Presse
EP1625933A2 (fr) * 2002-04-16 2006-02-15 Aida Engineering Co., Ltd. Dispositif de guidage du coulisseau pour presse
EP1422050A2 (fr) * 2002-11-22 2004-05-26 Dorst Maschinen- u. Anlagenbau GmbH & Co. KG Dispositif pour fabriquer des articles pressés conservant leur dimension à partir de matières pulvérulentes
DE10254656B4 (de) 2002-11-22 2005-10-13 Dorst Technologies Gmbh & Co. Kg Presseneinrichtung zum Herstellen maßhaltiger Presslinge mit zentraler Stempelabstützung
DE10300722B3 (de) 2003-01-11 2004-04-08 Johann Anderl Werkzeugführungsvorrichtung

Also Published As

Publication number Publication date
US7559755B2 (en) 2009-07-14
US20070251369A1 (en) 2007-11-01
EP1849591B1 (fr) 2016-02-03

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