EP2802425A1 - Vorrichtung und verfahren zum tiefziehen von schalenteilen mit integriertem kopf- und zargenbeschnitt - Google Patents
Vorrichtung und verfahren zum tiefziehen von schalenteilen mit integriertem kopf- und zargenbeschnittInfo
- Publication number
- EP2802425A1 EP2802425A1 EP13700092.3A EP13700092A EP2802425A1 EP 2802425 A1 EP2802425 A1 EP 2802425A1 EP 13700092 A EP13700092 A EP 13700092A EP 2802425 A1 EP2802425 A1 EP 2802425A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- area
- drawing die
- trimming
- cutting
- board
- 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
- 238000009966 trimming Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 238000007493 shaping process Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 210000002435 tendon Anatomy 0.000 claims 2
- 238000000465 moulding Methods 0.000 abstract description 21
- 239000000463 material Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007858 starting material Substances 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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
Definitions
- the invention relates to a device for the production of shell parts with at least one bottom, a frame and optionally a flange portion of a plane or
- drawing die wherein the drawing die has a molding area and at least one trimming area, wherein the
- the draw punch has a molding area and at least one trim area, wherein the molding area of the drawing die at the completion of the drawing process, the inner shape of the drawn and to be cut
- Shell part with bottom, Zargen- and optionally flange has.
- the invention relates to a method for the production of shell parts.
- Shell parts having a bottom portion, a frame portion and optionally a flange portion are often made by drawing a flat or preformed metal sheet, preferably steel. From the prior art methods and apparatus for the production of in particular f ia affixed drawing parts are known with which from a flat board drawn parts by deep drawing and trimming can be made in a working stroke.
- Drawing die is shown in the cited book on page 429. Due to the height-adjustable drawing die, the construction of the known from the prior art cutting-pull tool j edoch but relatively complex.
- Flange area runs after the cut.
- Flange area must also extend obliquely to the frame area to a scraping at the sharp cutting edge
- Deep-drawing presses do not have a high-precision tool guide, so that trimming operations, in particular in the area of the base and frame area in Such presses are not possible or can only be carried out very difficult and expensive.
- the present invention is the
- Task to provide an apparatus and a method for the production of shell parts by deep drawing available, with which or with which with as few steps, the production of the shell part and
- a dimensionally accurate trimming can be achieved at least in the frame and bottom region of the shell part.
- the preamble of claim 1 is achieved in that the trimming area of the drawing punch forms a cutting contour with the forming area of the drawing die, with which a separation of the web is achieved during and at the conclusion of the drawing process
- the trimming area of the drawing punch and the forming area of the drawing die are reached when retracting the
- Cutting contour device and the finished shell part can be separated by completing the drawing process in the bottom area.
- the preferably last drawing process can therefore a finished, drawn shell part with ground and
- Frame trim can be generated.
- Drawing punch or the drawing die forms the area which leads to the transformation of the substantially flat board or preformed board to the finished shell part.
- the trimming area serves to provide material for a defect-free drawing operation, so that an e.g. wrinkle-free pulling the molding area of the board is guaranteed.
- Shell part of the cutting area of the board, a finished shaped and trimmed shell part can be prepared in a preferably last drawing operation.
- Forming region of the drawing die compared formed to the trimming area of the drawing die Preferably, the height difference between the trimming and shaping area corresponds at least to the wall thickness of the board to be reshaped. Due to the fact that the forming area of the drawing punch compared to
- Trimming area of the drawing punch is formed deepened, a normal drawing operation is achieved, since this no additional material in the bottom area of the board is required due to the greater draw depth of the trim area of the drawing punch.
- the height difference between the form and Beites Schemeerl allows a dimensionally stable and
- the trimming area of the drawing punch is increased and the forming area of the drawing die is formed recessed or a combination of recessed and raised areas, for example the trimming area of the drawing punch with corresponding raised and recessed forming areas in the drawing die is used.
- the shell part can be completely cut out during the drawing process from the formed board. This makes it possible, as in a conventional deep-drawing process, for example in
- Material can then be removed via the cutting contour of the shell part, so that high-dimensional edge portions of the shell part, for example, in the flange to
- Drawing dies in the floor and optionally in the flange area in Lengthwise varying engagement heights on. Due to the varying engagement heights, it is ensured that during the retraction of the drawing punch into the drawing die the engaged forming areas or cutting areas of the drawing die and the drawing die are about to complete
- the various engagement heights between the molding area and the Beschni t Scheme the draw punch and / or the drawing die are provided by a designated inlet contour.
- the inlet contour can be different
- Shapes have.
- a linear inlet contour which has varying inclinations in the cutting contour direction, different
- Drawing punch provided in which a cutting edge is disposed in the corresponding region of the drawing die and / or in the drawing punch at least partially a cutting edge in the areas of the cutting contour of the drawing die provided in which a round inlet contour is provided in the drawing die.
- Inlet contour i. the inlet contour has a radius instead of a “sharp” cutting edge, and "sharp"
- Cutting edge can be done simultaneously during the drawing process with the initiation of the cutting process, an improved centering of the drawing punch in the drawing die. This results in a particularly accurate cut. It is also conceivable to use two striking "sharp" cutting edges.
- At least the parts forming the Schneidko structure of the drawing punch and / or the drawing die as at least
- a planar board support area is provided, so that the board in a simple manner before forming and
- Trimming for example, automatically, can be inserted into the device.
- the inlet contour has at least a radius of 0.5 mm and the cutting edge has a radius of 0.05 mm, in particular 0.02 mm maximum.
- the flow of material can be additionally controlled by providing a hold-down device for holding down the sheet to be pulled during drawing.
- preferably steel is inserted into the device and by retracting the drawing punch in the drawing die the
- Cutting contour is cut so that a trimming area and a molding area of the board is at least partially separated and a finished shell part, which substantially the shape of the forming region of the drawing die and the
- Drawing dies is produced. As already explained above, it is achieved by the inventive method using the device according to the invention that from a flat or preformed circuit board, a shell part can be produced preferably in a final drawing process, which at least in the bottom and
- Curb area is cropped.
- shell parts can be produced in a particularly economical manner. According to one embodiment of the method, this is formed by the forming region of the drawing die and the drawing die Shell part with completion of the drawing process completely separated from the trim area.
- Flange area at least partially continuously starting from the first engaged areas of Sehneidkontur between the molding area and trim area of the drawing punch and drawing die.
- Cutting contour is engaged at a certain depth of entry of the drawing punch, it is possible to achieve a continuous trimming the board during the drawing process or at the completion of the drawing process.
- the board is in the closed state of the tool quenched, a press hardening can be achieved, provided that the material of the board is a transformation into an im
- Substantial martensitic structure allows.
- the invention is based on
- Fig. 1b is a schematic plan view of a
- Fig. 7 in a perspective view of the
- FIG. 9 schematically shows an exemplary course of the
- Fig. la in a perspective view of a shell part 1 with a bottom portion 2, a
- corresponding shell part 1 can for example for
- FIG. la a section line S, which indicates the section line, in which Figs. 2 to 4 are shown.
- Starting material for example, the in Fig. lb) in a schematic plan view shown board 5, which has a trimming portion 5a and a forming portion 5b, wherein in the present embodiment, the
- Trim area 5a is arranged circumferentially around the mold area 5b.
- the trimming area 5a forms the area of the board, which after forming and trimming is no longer part of the finished shell part 1.
- Corresponding trim and shaping areas are also provided in the device for producing the shell parts in order to differently shape and separate the different areas.
- Section line S is shown in FIG. 2 shown.
- Fig. 2 shows a planar board 5, which is inserted into a drawing die 6.
- the drawing punch 7 comprises two hold-downs 7a, with which the material feeder can be controlled when pulling.
- the drawing punch 7 has a trimming area 8 and a forming area 9.
- the drawing die 6 also has a trimming area 8 'and a forming area 9'.
- the molding area 9 of the drawing punch 7 has the inner mold 10 (FIG. 1) of the shell part and the mold area 9 'of the drawing die 6 has the outer mold 11 of the finished shell part 1.
- Trimming area 8 of the drawing punch 7 forms with the
- Forming area 9 'of the drawing die a cutting contour 12, which makes it possible to separate the molding area 5b of the formed board 5 and thus the shell part 1 at least in the bottom area 2 and in the frame area 4 from the cutting area 5a of the board 5. The separation takes place during the drawing process, as shown in FIGS. 3 and 4 is shown.
- the cutting contour 12 is preferably provided by inserts 7b, 6a both in the drawing punch 7 and also in the drawing die 6 in order to be able to carry out a simple replacement when worn.
- Drawing punch is formed recessed relative to the trimming area 8 of the drawing punch, wherein the height difference a between the cropping area and the shaping area of the
- Drawing punch 7 or the trimming area 8 'of the drawing die 6 also circumferentially around the flange portion 4 of the finished
- Shell part 1 so that the edges of the flange 4 are cut during the drawing process and thus are free of influences of the drawing process.
- FIGS. 5 and 6 show, in a perspective view, the drawing and cutting process on a reshaped board 5, which has a trimming area 5a and a forming area 5b.
- the cutting operation on the frame 3 of the later shell part 1 begins during the drawing process.
- the shell part 1 or the shell part 1 is opened.
- the forming area 5a of the board is completely removed until completion of the drawing process, FIG. 6.
- the trimming is preferably carried out both in the frame area 3 and in the bottom area 2.
- the flange 4 is cut free at the end of the drawing process.
- FIG. 7 and FIG. 8 show an embodiment of the
- FIG. 7 it can be clearly seen that the forming area 9 'in the drawing die is raised in relation to the immediately adjacent cutting area 8'.
- the molding area 9 is formed recessed with respect to the immediately adjacent trimming area 8. This ensures that over the projecting areas of the trimming area 8 of the drawing punch 7, the board can be pulled wrinkle-free and without damage by the "sharp" edges of the tool to then the shape of the molding area 9 'or 9 of the drawing die 6 respectively of the drawing punch. 7 to accept.
- the shell part 1 is completely trimmed over the cutting contour 12 of the drawing punch 7 or cutting contour 12 'of the drawing die 6.
- Zargen Switzerland it comes to a complete overlap of the cut edges of the drawing punch 7 and the drawing die. 6
- section line 16 Engaging and cutting is shown as section line 16.
- the section line 16 shows a varying height, so that the cutting process begins first in the areas 16a and increases with increasing depth of entry of the
- the hehstempel 7 is equipped with a recessed molding area 9.
- Drawing die 6 of the embodiment has a raised mold portion 9 '. It is also conceivable, as already stated, that the drawing die 6 a recessed
- Forming area or a combination of both is provided.
- shell parts 1 can be made significantly more economical.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012100230.4A DE102012100230B4 (de) | 2012-01-12 | 2012-01-12 | Vorrichtung und Verfahren zur Herstellung von Schalenteilen |
PCT/EP2013/050271 WO2013104650A1 (de) | 2012-01-12 | 2013-01-09 | Vorrichtung und verfahren zum tiefziehen von schalenteilen mit integriertem kopf- und zargenbeschnitt |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2802425A1 true EP2802425A1 (de) | 2014-11-19 |
EP2802425B1 EP2802425B1 (de) | 2015-09-23 |
Family
ID=47522681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13700092.3A Not-in-force EP2802425B1 (de) | 2012-01-12 | 2013-01-09 | Vorrichtung und verfahren zum tiefziehen von schalenteilen mit integriertem kopf- und zargenbeschnitt |
Country Status (7)
Country | Link |
---|---|
US (1) | US9289813B2 (de) |
EP (1) | EP2802425B1 (de) |
JP (1) | JP6050382B2 (de) |
KR (1) | KR101520442B1 (de) |
CN (1) | CN104080555B (de) |
DE (1) | DE102012100230B4 (de) |
WO (1) | WO2013104650A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108966299B (zh) * | 2014-12-08 | 2021-02-23 | 华为技术有限公司 | 语音切换的方法和装置 |
WO2017006830A1 (ja) * | 2015-07-07 | 2017-01-12 | 日新製鋼株式会社 | 突起部成形装置、突起部成形方法及び成形品 |
US11041658B2 (en) * | 2017-09-25 | 2021-06-22 | Noritz Corporation | Method of producing exterior case for hot water unit, exterior case for hot water unit and hot water unit |
CN108080481B (zh) * | 2018-01-30 | 2019-04-23 | 深圳市艺峰自动化装备有限公司 | 一种集导向、定位、切边及排料一体的装置 |
KR101897244B1 (ko) * | 2018-05-09 | 2018-09-10 | 온창용 | 금속 캡 드로잉 성형장치 |
WO2020035915A1 (ja) * | 2018-08-15 | 2020-02-20 | ユニプレス株式会社 | プレス成形装置、及び製造方法 |
CN110421067B (zh) * | 2019-07-19 | 2020-06-09 | 华中科技大学 | 一种蓄压器壳体的分步式成形装置及方法 |
CN110899499A (zh) * | 2019-11-21 | 2020-03-24 | 无锡鑫盛电源材料有限公司 | 一种快换钢壳拉伸组合式模具 |
CN113351744B (zh) * | 2021-05-14 | 2022-06-21 | 天津一汽丰田汽车有限公司 | 防止边缘开裂的高强钢中厚板冲压件、制作方法及应用 |
CN114011960B (zh) * | 2021-09-27 | 2024-06-11 | 深圳市信维通信股份有限公司 | 一种l形外形薄料金属壳体深拉伸冲压成形工艺 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS4981660A (de) * | 1972-12-16 | 1974-08-06 | ||
JPS5789658A (en) * | 1980-11-20 | 1982-06-04 | Nippon Tokushu Toryo Co Ltd | Punching method for bulky nonwoven molded object |
JPS5877725A (ja) * | 1981-11-04 | 1983-05-11 | Nissan Motor Co Ltd | ピアス加工およびセパレ−ト加工用プレス金型 |
JPH021515U (de) * | 1988-06-10 | 1990-01-08 | ||
JP3518004B2 (ja) * | 1994-12-19 | 2004-04-12 | 株式会社デンソー | 環状加工品の端面切断方法およびその端面切断方法に用いる端面成形用金型 |
JP3292036B2 (ja) * | 1996-05-21 | 2002-06-17 | 株式会社デンソー | 絞り加工方法および絞り加工装置 |
JPH09314243A (ja) * | 1996-05-30 | 1997-12-09 | Toyota Motor Corp | 絞り抜き加工装置及びその加工方法 |
JPH10249928A (ja) * | 1997-03-07 | 1998-09-22 | Nippon Muki Co Ltd | 成形用金型 |
WO2003014533A1 (fr) * | 2001-08-03 | 2003-02-20 | Akita Fine Blanking Co., Ltd. | Procede de fabrication de cadre de turbine de turbocompresseur vgs, cadre de turbine fabrique selon ledit procede, ensemble de guidage de gaz d'echappement de turbocompresseur de type vgs dans lequel ledit cadre de turbine est utilise, et turbocompresseur de type vgs equipe dudit ensemble de guidage de gaz d'echappement |
DE102006040224A1 (de) * | 2006-08-28 | 2008-03-20 | Magna Automotive Services Gmbh | Verfahren und Werkzeug zum Warmumformen eines Metallwerkstücks |
DE102008037612B4 (de) * | 2008-11-28 | 2014-01-23 | Thyssenkrupp Steel Europe Ag | Verfahren und Werkzeugsatz zur Herstellung von flanschbehafteten, hoch maßhaltigen und tiefgezogenen Halbschalen |
CN201380239Y (zh) * | 2009-04-09 | 2010-01-13 | 重庆工学院 | 一种具有变拉延筋阻力的模具 |
DE102009059197A1 (de) * | 2009-12-17 | 2011-06-22 | ThyssenKrupp Steel Europe AG, 47166 | Verfahren und Vorrichtung zur Herstellung eines Halbschalenteils |
DE102010000608B3 (de) * | 2010-03-02 | 2011-03-03 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zum Ziehen und Beschneiden von Platinen |
DE102011050002A1 (de) | 2011-04-29 | 2012-10-31 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zur Herstellung flanschbehafteter Ziehteile mit gleichzeitigem Beschnitt |
-
2012
- 2012-01-12 DE DE102012100230.4A patent/DE102012100230B4/de not_active Expired - Fee Related
-
2013
- 2013-01-09 EP EP13700092.3A patent/EP2802425B1/de not_active Not-in-force
- 2013-01-09 KR KR1020147018956A patent/KR101520442B1/ko active IP Right Grant
- 2013-01-09 JP JP2014551602A patent/JP6050382B2/ja not_active Expired - Fee Related
- 2013-01-09 WO PCT/EP2013/050271 patent/WO2013104650A1/de active Application Filing
- 2013-01-09 CN CN201380005347.9A patent/CN104080555B/zh not_active Expired - Fee Related
-
2014
- 2014-07-09 US US14/327,323 patent/US9289813B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2013104650A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN104080555B (zh) | 2016-09-14 |
JP6050382B2 (ja) | 2016-12-21 |
WO2013104650A1 (de) | 2013-07-18 |
US20140331731A1 (en) | 2014-11-13 |
KR20140109941A (ko) | 2014-09-16 |
JP2015505276A (ja) | 2015-02-19 |
DE102012100230A1 (de) | 2013-07-18 |
EP2802425B1 (de) | 2015-09-23 |
DE102012100230B4 (de) | 2017-10-19 |
US9289813B2 (en) | 2016-03-22 |
CN104080555A (zh) | 2014-10-01 |
KR101520442B1 (ko) | 2015-05-15 |
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