EP3866991A1 - Verfahren zur bereitstellung von zumindest zwei biegewerkzeuggruppen - Google Patents
Verfahren zur bereitstellung von zumindest zwei biegewerkzeuggruppenInfo
- Publication number
- EP3866991A1 EP3866991A1 EP19816496.4A EP19816496A EP3866991A1 EP 3866991 A1 EP3866991 A1 EP 3866991A1 EP 19816496 A EP19816496 A EP 19816496A EP 3866991 A1 EP3866991 A1 EP 3866991A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- tool
- tools
- bending tool
- group
- 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
Links
- 238000005452 bending Methods 0.000 title claims abstract description 397
- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000003860 storage Methods 0.000 description 22
- 238000013461 design Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
- B21D5/0254—Tool exchanging
-
- 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
- B21D37/145—Die storage magazines
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
- B21D5/0236—Tool clamping
- B21D5/0245—Fluid operated
Definitions
- the invention relates to a method for providing at least two bending tool groups for the production of workpieces from sheets, in particular by forming the sheets in a bending process.
- EP 1 925 374 B1 describes a bending device for bending a workpiece using a pair of tools, formed from a punch and a die.
- the stamp is on an upper table and the die is placed on a lower table.
- the bending device comprises a machining information determination device for determining bending sequences based on product information and for determining tools and tool layouts for each of the bending sequences and working positions.
- the total number of actual bending processes for each tool is accumulated in a tool management database, based on the specific work positions, tools and tool layouts.
- the actual bending processes are determined by means of a tool usage number detection device with reference to the tool management database.
- a display device is used to display a number of uses of a relevant predetermined tool. This means that tools with an approximately equal number of uses to one another and therefore combined with wear that is approximately the same as each other can be combined to form a tool group.
- EP 1 658 908 B1 describes a bending device which comprises an upper and a lower table and which carries out bending on a workpiece by means of tools attached to the tables.
- Tool disposition information is automatically determined based on product information from a tool disposition information determination device.
- the tools which are required for bending and which are of divided design are accommodated in a tool accommodation device. From a tool exchange device, the tools are exchanged between the tool storage device and the upper and lower tables.
- the tool disposition information loading is designed for automatic or manual determination of tool disposition information based on product information.
- the tool accommodation device is used to accommodate a tool group made up of a multiplicity of isometrically divided tools.
- the tool exchange device is used to exchange tool groups between the tool accommodation device and the upper and lower tables.
- the bending device has a processing station formation device which is designed to divide a tool group transferred by the tool exchange device from the tool accommodation device to the upper and lower tables into a plurality of tool sub-groups based on the tool disposition information from the tool disposition information determination device. By dividing the tool group into a large number of tool sub-groups, a large number of processing stations are formed on each of the tables.
- the processing station formation device comprises a separator which is mounted on a base body of a backgauge, the separator being shared by the tools which are attached to the upper and lower tables.
- the object of the present invention is to provide a method by means of which existing tools can be used even more effectively and cost-effectively.
- productivity in manufacturing plants is also to be increased.
- the inventive method is used to provide at least two bending tool groups in the manufacture of workpieces from sheet metal. Sheets or already prefabricated workpieces from a sheet are bent to the specified workpiece by a forming process, namely a bending process.
- the bending process can be carried out by means of die bending or also by means of swivel or swing bending. At least the following steps are carried out in the method:
- a bending tool disposition determining device which bending tool disposition determining device is designed to determine a first bending tool disposition information based on a first product information and at least a second bending tool disposition information based on a second product information
- the bending tool disposition determining device can determine whether the bending tools for the formation of the second bending tool group are based on the second product information for the planned execution of a bending process on the second bending machine actually exist in the tool memory or not. If it has been determined that all the bending tools required to form a second cooperating bending tool group are actually still in the tool store, the second bending tool group is put together by removing the required bending tools from the tool store.
- a procedure is advantageous in which the assembled second bending tool group is transported by means of the bending tool changing device from the at least one tool store to the second bending machine and is arranged thereon.
- the downtimes of the at least one second bending machine can be minimized, since several bending machines can be supplied with the bending tools located in the tool storage from at least one tool store.
- Another advantageous procedure is characterized in that after the removal of the bending tools of the second bending tool group from the at least one The current new locations of the removed bending tools from the second bending tool group are updated in the bending tool data memory. Due to the constantly updated locations of the removed bending tools from the tool store, it is always possible to check and determine whether it is possible to put together a further bending tool group or not.
- a variant of the method is also advantageous, in which at least one intermediate tool storage is provided in the at least one tool storage, in which at least one intermediate tool storage assembles those bending tools belonging to a bending tool group according to the bending tool disposition information and for transport to one of the bending machines to be provided.
- a pre-grouping of subsequently required bending tools to form one or more bending tool groups from those bending tools currently located in the tool store can thus already be carried out in the area of the tool store.
- Another procedure is characterized when only those bending tools are selected by the bending tool disposition determining device and also removed from the at least one tool memory, which bending tools outside of the intended forming process of the sheet metal to be produced contained in the bending tool disposition information Workpiece at the first bending machine. It can thus be avoided that a continuation of the bending process in the first bending machine is no longer possible due to at least one missing bending tool. This also ensures or enables a bending tool change in the first bending machine. This can prevent an interruption in production and unnecessary downtimes.
- a procedure is advantageous in the case of those bending tools which are returned from one of the bending machines by means of the bending tool changing device to the at least one tool storage device, the new location of each bending tool in the bending tool data storage device is updated.
- a further advantageous procedure is characterized in that the determination of the presence of the several bending tools required to form the second bending tool group is carried out immediately after the respective new locations have been updated in the bending tool data memory. In this way, it can be avoided that an out-of-date database is accessed when compiling at least one further group of bending tools.
- a variant of the method is also advantageous, in which the determination of the existence of the several required bending tools for forming the second bending tool group is carried out during the transport of the first bending tool group to the first bending machine or immediately after the transport of the first bending tool group to the first bending machine. Possible incorrect withdrawals can thus be reliably avoided.
- Another procedure is characterized in that the determination of the presence of the several bending tools required to form the second bending tool group is carried out simultaneously during the forming process of the sheet for the workpiece to be produced. This ensures that current data can always be accessed.
- Fig. 1 shows a manufacturing system with at least two bending machines, at least one
- FIG. 1 shows, in a highly schematic, simplified manner, a manufacturing system 1 which is designed to manufacture at least one workpiece from a sheet metal.
- the production of at least one workpiece can be carried out by forming in a so-called free bending process by means of die bending.
- the production plant 1 shown here it is provided that it comprises a first bending machine 2, at least one second bending machine 3, at least one tool storage 4 and at least one bending tool changing device 5.
- the first bending machine 2 comprises an unspecified machine frame and a first upper press bar 6 and a first lower press bar 7 arranged thereon.
- One of the press bars 6, 7 is guided thereon in an adjustable manner relative to the machine frame.
- the second bending machine 3 is likewise designed as a free bending machine or die bending machine and comprises a second upper press beam 8 and a second lower press beam 9.
- the second press beams 8, 9 are also guided on the second bending machine 3 so that they can be adjusted relative to the machine frame. Irrespective of this, it would also be possible not to design the bending machines 2, 3 as free bending machines or die bending machines, but rather as swivel bending machines.
- the press bars 6, 7; 8, 9 to keep the sheet metal to be clamped between them and fix it in a predetermined position for the bending process.
- the press bars 6, 7; 8, 9 are referred to as clamping bars.
- a separate bending unit must be provided to carry out the bending process. This is intended to express that the method for forming by means of the production plant 1 with the bending machines equipped for this purpose can be carried out with the bending processes that are different from one another.
- the bending tool 10 comprises at least one punch or bending punch and at least one die, a die or a bending die to cooperate therewith when bending free or die bending.
- the bending tools 10 have a different cross-sectional shape and / or different lengths or widths in the direction of their bending edge.
- the different lengths or widths serve to be able to match the bending length or bending edge to be formed by the bending tools 10 to the workpiece to be produced.
- the respective cross-sectional shapes depend on the bending and / or space conditions in the workpiece to be produced.
- the bending tool disposition determining device 11 is designed to provide a first bending tool To determine disposition information based on a first product information regarding the bending process to be carried out. By means of the bending tool disposition determination device 11, however, at least a second bending tool disposition information is also determined based on a second product information.
- the first product information is intended for the first bending machine 2 and the second product information is intended for the second bending machine 3.
- a bending tool data memory 12 is also provided, which is in communication connection with the bending tool disposition determining device 11. An exchange of information and / or an exchange of commands between these system components can thus take place or be carried out. For the sake of clarity, operator terminals or other input or control devices have not been shown.
- the bending tool changing device 5 can also be integrated into the communication link.
- the term communication connection is understood to mean any technical possibility for communication.
- the bending tool data memory 12 is designed to store the current location for each of the bending tools 10 of the production system 1.
- the term location is understood to mean the current location or the current position of each individual bending tool 10. The location can e.g. the tool storage 4, the first bending machine 2, the second bending machine 3 or the bending tool changing device 5.
- the bending tool changing device 5 By means of the bending tool changing device 5, at least one cooperating bending tool group 14, 15 can be transported between the tool storage 4 and one of the bending machines 2, 3 and vice versa.
- the bending tool changing device 5 is shown here as a manipulator, but can also be formed by devices deviating therefrom.
- the first bending tool group 14 is composed of a plurality of bending tools 10 based on this bending tool disposition information, and the bending tools 10 required for this are removed from the tool memory 4 . This can e.g. already done by means of the bending tool changing device 5 or a cooperating provision device.
- the bending tool changing device 5 is used to transport the tool storage 4 to the first bending machine 2. This is indicated by arrows. If the transport, and thus the change of location, takes place, the at least one first bending tool group 14 is arranged on the first press beams 6, 7 of the first bending machine 2 and is correspondingly held thereon. Subsequently, at least one bending operation can be carried out by means of the first bending machine 2 in a known manner. In a swivel bending process, there is a clamping process between the cooperating bending tools, which can then be referred to as clamping tools.
- the respective new locations of the removed bending tools 10 that are currently on the first bending machine 2 are to be updated. This affects all those bending tools 10 be, which have been transported from the tool memory 4 to the first bending machine 2.
- a second bending tool group 15 can be put together. be put and formed.
- the second bending machine 3 can be equipped for a bending operation to be carried out with the required bending tools 10.
- the previously described at least one second bending tool disposition information is determined by the bending tool disposition determining device 11 based on the second product information. Since in the bending tool data memory 12 all those bending tools 10 are known which are currently still in the tool memory 4, the bending tool disposition determining device 11 can, in cooperation with the bending tool data memory 12, determine whether all the bending tools 10 to form the at least one a second bending tool group 15 are still present or not.
- the determination of the presence of the plurality of bending tools 10 required to form the second bending tool group 15 can e.g. immediately after the update of the respective new locations in the bending tool data memory 12. Independently of this, the determination could also be carried out during the transport of the first bending tool group 14 to the first bending machine 2 or immediately after the transport of the first bending tool group 14 to the first bending machine 2. However, it would also be possible to determine the presence of the plurality of bending tools 10 required to form the second bending tool group 15 at the same time during the shaping process of the sheet metal for the workpiece to be produced.
- the bending tools 10 are put together to form the second bending tool group 15 by removing the intended bending tools 10 from the tool store 4 in accordance with the bending tool disposition Determination device 11 determined second bending tool disposition information.
- the second bending tool group 15 can be transported from the tool storage device 4 to the second bending machine 3 by means of the bending tool changing device 5. This is also indicated by arrows.
- the locations in the bending tool data memory 12 are to be updated. The update can take place, for example, immediately after the bending tools 10 have been removed from the tool store 4.
- At least one intermediate tool store 13 can be provided in the at least one tool store 4 or in the region of the at least one tool store 4.
- those bending tools 10 belonging to one of the bending tool groups 14, 15 according to the bending tool disposition information can be put together and made available for transport to one of the bending machines 2, 3.
- the bending tool disposition determination procedure Direction 11 to select only those bending tools 10 which lie outside the intended forming process of the sheet metal for the workpiece to be produced in the bending tool disposition information in the first bending machine 2.
- the bending tools 10 required for the bending process immediately following in the first bending machine 2 must not be removed to form the second bending tool group 15 for the second bending machine 3 despite the presence in the tool store 4 and thus remain in the tool store 4.
- the transport movement of the bending tool changing device 5 can be carried out by a separate drive means and / or also manually. This is preferably automated, on the one hand to relieve the operating personnel and on the other hand to ensure safe and rapid transport.
- the exemplary embodiments show possible design variants, it being noted at this point that the invention is not restricted to the specially illustrated design variants thereof, but rather also various combinations of the individual design variants with one another are possible and this variation possibility is based on the teaching of technical action The present invention resides in the ability of the person skilled in the art in this technical field.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50897/2018A AT521623B1 (de) | 2018-10-16 | 2018-10-16 | Verfahren zur Bereitstellung von zumindest zwei Biegewerkzeuggruppen |
PCT/AT2019/060340 WO2020077374A1 (de) | 2018-10-16 | 2019-10-14 | Verfahren zur bereitstellung von zumindest zwei biegewerkzeuggruppen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3866991A1 true EP3866991A1 (de) | 2021-08-25 |
EP3866991B1 EP3866991B1 (de) | 2022-08-17 |
Family
ID=68807902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19816496.4A Active EP3866991B1 (de) | 2018-10-16 | 2019-10-14 | Verfahren zur bereitstellung von zumindest zwei biegewerkzeuggruppen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3866991B1 (de) |
CN (1) | CN112867575B (de) |
AT (1) | AT521623B1 (de) |
WO (1) | WO2020077374A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE460998T1 (de) * | 1999-01-13 | 2010-04-15 | Amada Co Ltd | Biegepresssystem |
JP4582621B2 (ja) | 2003-06-23 | 2010-11-17 | 株式会社アマダ | 曲げ加工装置 |
CN100581673C (zh) * | 2004-10-22 | 2010-01-20 | 阿玛达株式会社 | 弯曲加工方法及其装置 |
EP1925374B1 (de) | 2005-06-15 | 2014-05-21 | Amada Co., Ltd. | Biegevorrichtung und verfahren zur verwaltung eines gesenks, verfahren zur anordnung eines gesenks und verfahren zum wählen eines gesenkmagazins |
AT508923B1 (de) * | 2009-11-10 | 2011-05-15 | Trumpf Maschinen Austria Gmbh | Fertigungsanlage, insbesondere für das freiformbiegen |
AT509708B1 (de) * | 2010-09-02 | 2011-11-15 | Trumpf Maschinen Austria Gmbh | Werkzeugmagazin für einen manipulator |
EP2937155B1 (de) * | 2014-04-11 | 2021-04-07 | SMS group GmbH | Ringwalzmaschine und verfahren zur steuerung einer ringwalzmaschine |
AT516279B1 (de) * | 2014-12-15 | 2016-04-15 | Trumpf Maschinen Austria Gmbh | Fertigungsanlage mit Manipulationsvorrichtung |
AT518520B1 (de) * | 2016-05-25 | 2017-11-15 | Trumpf Maschinen Austria Gmbh & Co Kg | Werkzeug-Speichersystem, Fertigungsanlage sowie Verfahren zum Manipulieren mit einem derartigen Werkzeug-Speichersystem |
-
2018
- 2018-10-16 AT ATA50897/2018A patent/AT521623B1/de active
-
2019
- 2019-10-14 CN CN201980067084.1A patent/CN112867575B/zh active Active
- 2019-10-14 EP EP19816496.4A patent/EP3866991B1/de active Active
- 2019-10-14 WO PCT/AT2019/060340 patent/WO2020077374A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020077374A1 (de) | 2020-04-23 |
CN112867575A (zh) | 2021-05-28 |
AT521623B1 (de) | 2020-03-15 |
CN112867575B (zh) | 2023-03-21 |
EP3866991B1 (de) | 2022-08-17 |
AT521623A4 (de) | 2020-03-15 |
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