EP2457675B1 - Unité de réception pour pièces usinées - Google Patents

Unité de réception pour pièces usinées Download PDF

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Publication number
EP2457675B1
EP2457675B1 EP20100192942 EP10192942A EP2457675B1 EP 2457675 B1 EP2457675 B1 EP 2457675B1 EP 20100192942 EP20100192942 EP 20100192942 EP 10192942 A EP10192942 A EP 10192942A EP 2457675 B1 EP2457675 B1 EP 2457675B1
Authority
EP
European Patent Office
Prior art keywords
holder
unit
workpiece
holder unit
module
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.)
Active
Application number
EP20100192942
Other languages
German (de)
English (en)
Other versions
EP2457675A1 (fr
Inventor
Walter Thiel
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.)
Trumpf Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE and Co KG
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 Trumpf Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Priority to EP20100192942 priority Critical patent/EP2457675B1/fr
Priority to JP2011260788A priority patent/JP5901253B2/ja
Publication of EP2457675A1 publication Critical patent/EP2457675A1/fr
Application granted granted Critical
Publication of EP2457675B1 publication Critical patent/EP2457675B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work

Definitions

  • the invention relates to a receiving unit for workpieces, in particular a receiving unit which receives workpieces by means of a plurality of holding elements.
  • handling systems which have different types of suckers as holding elements on a holding frame as receiving unit.
  • suckers In this case, magnetic suckers, and vacuum suckers, such as e.g. Bellows suction, surface suction and single suction used.
  • various holding elements are used mixed in a receiving unit, which are then arranged on a suction plate or a holding frame.
  • the vacuum cups shorten with an elastic sealing lip when sucking in workpieces, whereas the magnetic suckers do not shorten due to their rigid housing.
  • the sealing lip of the vacuum suction must be able to create a seal on the surface of the recorded workpiece. For this purpose, a deformation path must be provided, around which the workpiece is sucked in and the sealing lip is compressed.
  • document JP 1 022729 A discloses a workpiece carrier having a plurality of holding elements for receiving workpieces.
  • the holding elements are provided on modules and movable together in a vertical and horizontal direction to receive a workpiece.
  • the object is to solve the above problems and to provide a pickup unit which allows flexible picking up of various workpieces while preventing premature collision between the holding members and the workpieces.
  • Fig. 1 is a sheet metal working machine, more specifically a punching machine 1 shown, which has a machine frame in the form of a C-frame 2.
  • the C-frame 2 consists of a torsionally rigid welded steel construction.
  • a hydraulic unit 3 is provided, with which a plunger 4 is hydraulically driven via a ram drive, not shown.
  • a lower tool holder 5 for receiving a lower tool part of a punching tool 11 is provided on the lower inside of the C-frame 2.
  • the plunger 4 On the upper inside of the C-frame 2, the plunger 4 is provided.
  • the plunger 4 has an upper tool holder with which it receives a tool upper part of the punching tool 11.
  • a machine table 6 On the lower inside of the C-frame, a machine table 6 is furthermore arranged, which has a transverse rail 7 with a magazine for the punching tools 11.
  • clamping claws 8 At the cross rail 7 clamping claws 8 are arranged for holding a metal plate to be processed 9.
  • the clamping claws 8 can be fixed at suitable locations on the cross rail 7, and are displaceable, so that the metal plate 9 is held securely.
  • a plurality of tool holders 10 for the punching tools 11 are present.
  • a flap 12 At the front end of the machine table 6, a flap 12 is provided for the discharge of small workpieces.
  • the machine table 6 travels in a Y direction together with the cross rail 7, to which the clamping claws 8 are fastened, with which the metal plate 9 is held, in a position stored in the control device, and the cross rail 7 moves in X.
  • a punching stroke is performed by the plunger 4. Following this, the next punching position is approached according to the same principle.
  • Finished workpieces 13, which are punched out of the metal plate 9, are either discharged through the flap 12, or removed via a sheet loading and unloading unit.
  • a receiving unit on an arm which is arranged on the sheet metal working machine, are used for unloading finished workpieces 13.
  • Fig. 2 shows a side view of a sheet loading and sheet unloading unit 14.
  • the sheet loading and unloading unit 14 has a stationary unit 15.
  • a frame with two vertical uprights 16 and a horizontal linear unit 17 is provided.
  • a vertical linear unit 19 is provided, which is movable in a vertical direction.
  • the vertical linear unit 19 has a receiving unit 20.
  • the receiving unit 20 is on its underside with holding elements 21, 22, namely exemplarily here with two so-called magnetic suckers 21 and two vacuum cups 22 for receiving the sheet metal plate 9 (FIG. Fig. 1 ) Mistake.
  • the sheet metal plate 9 can also be accommodated by positive grippers.
  • a permanent magnet or by taking advantage of the adhesion, special means are required for removing the sheet metal plate from the holding members.
  • the magnetic suction 21 has a cylinder in which a permanent magnet is provided as a reciprocating piston.
  • a reciprocating piston When the reciprocating piston is moved by applying a vacuum in the space of the cylinder facing the male workpiece 13 to the end of the cylinder where a male workpiece 13 is located, the workpiece 13 is attracted by the magnetic force.
  • the reciprocating piston For releasing the tightening force, by applying a pressure in the space of the cylinder facing the male workpiece 13, the reciprocating piston is moved to the opposite end, away from the workpiece 13, and the magnetic tightening force on the workpiece 13 is released.
  • the movable element moves in an X direction and possibly in a Y direction via a sheet metal magazine, not shown, which is located, for example, in the X direction between the two uprights 16.
  • the vertical linear unit 19 then moves the receiving unit 20 downwards and the holding elements 21, 22 receive one of the metal plates 9.
  • the magnetic suckers 21 are driven in this embodiment, or a vacuum is introduced into the vacuum suction device 22.
  • the metal plate is added.
  • the vertical linear unit 19 moves upwards, the movable element 18 moves over the machine table 6 (FIG. Fig. 1 ) and the metal plate 9 is placed on the machine table 6 and passed to the clamping claws 8.
  • the movable element 18 moves over the workpiece 13 and takes it up again with the aid of the retaining elements 21, 22, to then store it eg in a workpiece container, not shown.
  • FIGS. 3a and 3b each show a side view of the receiving unit 20th
  • the receiving unit 20 here has three receiving modules 23, which are next to each other in cuboid spaces, which are formed by guides 26, are added.
  • the receiving modules 23 each have a parallelepiped-guided section 24 and in each case a holding element 21, 22, wherein the holding elements 21, 22 as the so-called magnetic suction 21 or the two vacuum cups 22 are formed.
  • the number of receiving modules 23 may vary depending on the size of the receiving unit 20 and the required holding elements 21, 22. At least one receiving module 23 is required.
  • the receiving unit 20 has the guides 26 which support the receiving modules 23 in the receiving unit 20 slidably.
  • the guides 26 are formed here as walls, each forming the cuboid space.
  • a respective stop 25 in the form of a projecting shoulder of the guide, or alternatively of any other suitable means, is provided in order to limit the movement of the receiving module 23 in the direction of the workpiece 13 to be picked up.
  • a cover At an opposite, here upper, side of the cuboid space, is provided, so that the receiving modules 23 can not escape from the cuboid spaces.
  • the guideways do not form a cuboid but a suitable space in another form, and the guided section 24 in a suitably different form, or the guided sections 24 are guided in another suitable manner.
  • the number of holding elements 21, 22 serves in this embodiment only to explain the invention.
  • ten holding elements 21, 22 are provided, for example, in a plate with the dimensions 330 ⁇ 100 mm.
  • the size and shape of the plate or frame in which the guides 26 are provided and the number and positions of the holding elements 21, 22 are dependent upon the size of the workpieces 13 to be received.
  • the number of vacuum cups 22 is not limited to a vacuum cleaner 22 per receiving module 23. When using so-called surface vacuum cleaners, there are a plurality of vacuum suction cups 22 per receiving module 23 in order to be able to build up a vacuum at points between the openings despite the presence of openings in the workpiece 13, and to be able to receive the workpiece 13.
  • the magnetic suction 21 and the vacuum suction 22 a holding force is exerted on the picked-up workpiece 13.
  • the holding force is directed to the magnetic suckers 21 and the vacuum cups 22 axially to the holding members 21, 22 in a direction away from the workpiece 13 received by the holding member 21, 22.
  • the direction of force of all holding elements 21, 22 is the same and is perpendicular to the metal plate.
  • the direction of force is also perpendicular to the curved surface, but the force directions of the individual recording units are not equal.
  • the receiving unit 20 has an area in the interior, in which the receiving modules 23 are supported by the guides 26 and the guided portions 24.
  • the receiving modules 23 are supported so as to be slidable toward the interior of the receiving unit 20 and in the opposite direction.
  • the block-shaped guided sections 24 are adapted so that the receiving modules 23 can adapt in their orientation at least in one direction of the contour of the male workpiece 13.
  • the receiving modules 23 are arranged side by side along the side 27.
  • the receiving modules can be provided at a suitable distance from each other. In a horizontal orientation of the receiving unit 20, wherein the side 27 is directed downward, the receiving modules 23 are pulled by their weight down and can perform a leveling.
  • At least one biasing device may be provided which presses the receiving modules 23 in the direction of the male workpiece 13.
  • drive units are also possible, which move the receiving modules 23 in accordance with a predetermined path or a predetermined counterforce in the direction of the workpiece to be picked up or away. This movement can be controlled by the control device of the sheet metal working machine.
  • the receiving unit 20 is positioned above the workpiece 13 to receive a horizontal workpiece 13.
  • the guided sections 24 of the receiving modules 23 are due to the weight of the receiving modules 23 on the stops 25.
  • the receiving unit 20 is moved downward until the underside of the holding elements 21, 22 rest on the workpiece 13.
  • the suitable holding elements 21, 22 are activated.
  • the Fig. 3a shows a situation in which the workpiece 13 is received with the so-called magnetic suction 21 in operation.
  • This is necessary, for example, in the case of a workpiece 13 designed as a perforated plate, since no vacuum can be built up due to the presence of the holes.
  • the workpiece 13 is held by the magnetic suction 21, the guided portion 24 abuts against the stops 25.
  • the holding force is transmitted through the magnetic suction 21, and the workpiece 13 is thus received on the receiving unit 20.
  • the vacuum suckers 22 are not in operation here and the receiving elements 23 with the magnetic suckers 21 are pushed upwards by the workpiece 13 in order to prevent a collision between the vacuum suckers 22 and the workpiece 13, which is due to the distance between the guided sections 24 and Attacks 25 can be seen.
  • the vacuum suckers 22 generate a counterforce which is negligible, to the holding force and the workpiece 13 is held securely.
  • Fig. 3b the situation is shown in which the workpiece 13 is received with the vacuum cups 22 in operation. This is done, for example, in a non-ferromagnetic material.
  • the vacuum cups 22 are in operation, as evidenced by their compressed bellows and FIG the guided sections 24 of the receiving modules 23 abut the vacuum suction device 22 against the stops 25.
  • the receiving module 23 with the magnetic suction 21 is pushed back by the workpiece 13, on which the magnetic suction 21 rests, is raised by a shortening of the vacuum suction device 22 during suction. Thereby, a collision between the magnetic suction 21 and the workpiece 13 is avoided, and thus the suction of the workpiece 13 is not hindered by the vacuum suction 22.
  • the use of the receiving unit 20 according to the invention improves the flexibility in picking up a workpiece, so that no continuous conversion is required. Thereby, the main time of the machine in which machining is actually performed on the machine is increased, the running stability of the discharge side of a sheet metal working machine is improved because reduced holding forces are possible, and existing special suckers can be further used.
  • suitable tools can also be accommodated with the receiving unit.
  • the receiving unit (20) can be used with various sheet metal working machines, such as e.g. Punching machines, laser machines, punching laser machines, or bending machines are used.
  • sheet metal working machines such as e.g. Punching machines, laser machines, punching laser machines, or bending machines are used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Manipulator (AREA)

Claims (12)

  1. Unité de réception (20) pour la réception d'au moins une pièce (13),
    ladite unité de réception (20) comportant plusieurs éléments de maintien (21, 22) sur un côté (27) opposé à la pièce (13) à recevoir,
    et
    ladite unité de réception (20) comportant au moins un module de réception (23) où au moins un élément de maintien (21, 22) est prévu,
    le module de réception (23) étant monté de manière à être déplaçable dans l'unité de réception (20), de telle manière que l'espacement entre l'élément de maintien (21, 22) dans le module de réception (23) et la pièce (13) à recevoir soit réglable indépendamment de l'espacement entre d'autres éléments de maintien (21, 22) et la pièce (13) à recevoir, et
    un des modules de réception (23) comportant au moins un élément de maintien (21) basé sur le principe de fonctionnement magnétique,
    caractérisée en ce que
    l'élément de maintien (21) est réalisé comme ventouse magnétique comportant un piston à mouvement alternatif, mobile dans un cylindre en tant qu'aimant permanent.
  2. Unité de réception (20) selon la revendication 1, caractérisée en ce que plusieurs modules de réception (23) sont prévus dans l'unité de réception (20).
  3. Unité de réception (20) selon la revendication 1 ou 2, caractérisée en ce que ladite unité de réception (20) comporte au moins un dispositif de pré-contrainte qui applique une force de pré-contrainte sur le ou les modules de réception (23) dans la direction de la pièce (13) à recevoir.
  4. Unité de réception (20) selon l'une des revendications 1 à 3, caractérisée en ce que ladite unité de réception (20) comporte au moins une unité d'entraînement pour le ou les modules de réception (23), apte à déplacer le ou les modules de réception (23) vers la pièce (13) à recevoir, et à l'éloigner ou les éloigner de celle-ci.
  5. Unité de réception (20) selon l'une des revendications 1 à 4, caractérisée en ce que les différents éléments de maintien (21, 22) sont basés sur au moins deux principes physiques de fonctionnement différents.
  6. Unité de réception (20) selon l'une des revendications 1 à 5, caractérisée en ce qu'un module de réception (23) comporte au moins un élément de maintien (22) réalisé comme ventouse magnétique.
  7. Unité de réception (20) selon l'une des revendications précédentes, caractérisée en ce que ladite unité de réception (20) comporte des guidages (26) au moyen desquels le ou les modules de réception (23) sont montés de manière coulissante.
  8. Unité de réception (20) selon l'une des revendications précédentes, caractérisée en ce que ladite unité de réception (20) comporte au moins une butée (25) limitant le déplacement du ou des modules de réception (23) dans la direction de la pièce (13) à recevoir.
  9. Unité de réception (20) selon la revendication 8, caractérisée en ce que la butée (25) est prévue sur le guidage (26).
  10. Unité de chargement et de déchargement de tôle (14) avec une unité de réception (20) selon l'une des revendications 1 à 9.
  11. Machine à usiner les tôles (1) avec une unité de chargement et de déchargement de tôle (14) selon la revendication 10.
  12. Machine à usiner les tôles (1) selon la revendication 11, caractérisée en ce que ladite machine à usiner les tôles (1) est une machine à estamper.
EP20100192942 2010-11-29 2010-11-29 Unité de réception pour pièces usinées Active EP2457675B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20100192942 EP2457675B1 (fr) 2010-11-29 2010-11-29 Unité de réception pour pièces usinées
JP2011260788A JP5901253B2 (ja) 2010-11-29 2011-11-29 工作物のためのリフティングユニット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100192942 EP2457675B1 (fr) 2010-11-29 2010-11-29 Unité de réception pour pièces usinées

Publications (2)

Publication Number Publication Date
EP2457675A1 EP2457675A1 (fr) 2012-05-30
EP2457675B1 true EP2457675B1 (fr) 2013-03-20

Family

ID=43724799

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100192942 Active EP2457675B1 (fr) 2010-11-29 2010-11-29 Unité de réception pour pièces usinées

Country Status (2)

Country Link
EP (1) EP2457675B1 (fr)
JP (1) JP5901253B2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105642740A (zh) * 2014-12-03 2016-06-08 无锡市赛能微电机有限公司 微电机支座板的定位加工与切孔修边的冲孔装置
CN105857729B (zh) * 2016-05-04 2019-06-25 中粮包装（天津）有限公司 一种气雾罐整理装箱设备
DE102016118153B4 (de) * 2016-09-26 2018-10-04 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Werkzeug und Verfahren zumindest zum Handhaben von Werkstücken
CN109570335A (zh) * 2019-01-21 2019-04-05 重庆至信实业集团有限公司 一种备胎安装支架生产装置
CN110434829A (zh) * 2019-07-29 2019-11-12 博众精工科技股份有限公司 一种大跨度拾取装置
CN114261764A (zh) * 2022-01-24 2022-04-01 库卡机器人(广东)有限公司 移栽工装及托承组件

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
JPS5885435U (ja) * 1981-11-30 1983-06-09 株式会社オリイ自動機製作所 被加工物の自動送り装置
JPS6422729A (en) * 1987-07-16 1989-01-25 Daihatsu Motor Co Ltd Work carrier
JPH055239U (ja) * 1991-07-04 1993-01-26 村田機械株式会社 板材位置決め装置
DE4212095C1 (fr) * 1992-04-10 1993-08-19 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
JP3195689B2 (ja) * 1992-04-22 2001-08-06 松下電工株式会社 部材の移載方法およびその装置
JPH10216868A (ja) * 1997-02-07 1998-08-18 Amada Co Ltd 鉄板ワーク材料の一枚分離装置
US5813826A (en) * 1997-02-21 1998-09-29 Martain Family Trust Bottom sheet dispenser for load forming machinery
JP2008087125A (ja) * 2006-10-03 2008-04-17 Nissan Motor Co Ltd ワーククランプ装置及びワーククランプ方法
JP5298536B2 (ja) * 2008-01-15 2013-09-25 村田機械株式会社 板材搬送装置
PL2198991T3 (pl) * 2008-12-22 2011-12-30 Trumpf Werkzeugmaschinen Gmbh Co Kg Zespół do załadunku i rozładunku blach z uchwytem narzędziowym dla maszyn do obróbki blach

Also Published As

Publication number Publication date
JP5901253B2 (ja) 2016-04-06
EP2457675A1 (fr) 2012-05-30
JP2012115901A (ja) 2012-06-21

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