WO2009119781A1 - しごき加工方法およびしごき加工装置 - Google Patents
しごき加工方法およびしごき加工装置 Download PDFInfo
- Publication number
- WO2009119781A1 WO2009119781A1 PCT/JP2009/056212 JP2009056212W WO2009119781A1 WO 2009119781 A1 WO2009119781 A1 WO 2009119781A1 JP 2009056212 W JP2009056212 W JP 2009056212W WO 2009119781 A1 WO2009119781 A1 WO 2009119781A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal plate
- ironing
- hair
- liquid
- gas
- Prior art date
Links
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/28—Deep-drawing of cylindrical articles using consecutive 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
Definitions
- the present invention relates to a method for manufacturing a DI can (squeezed iron can) using a metal plate coated with an organic resin film. More specifically, the present invention relates to a squeezing method and a squeezing method for removing the hair of the organic resin film generated at the opening end of the can body in the sizing process.
- DI cans are made by punching a metal plate into a circular plank, forming the blank into a force by one or more stages of drawing, and drawing the force by further drawing one or more stages.
- the cup is then molded and then processed by reducing the thickness of the side wall of the redraw cup by passing one or more stages of ironing dies. Henceforth, this series of processing is called DI processing.
- Patent Document 1 when blanks are punched out during molding of drawn cans and drawn irons made of resin-coated metal plates, the blanking punch and blanking die are edged, and the resin film on the blank edge is used as the base. Disclosed is a technology that avoids the generation of hair by punching a blank slightly smaller than a metal plate and subjecting the blank to a drawing can and a drawing can. .
- an annular holding member wrinkle is formed at a point of 65 to 98% of the effective drawing stroke length in order to make the rolling force of the flange portion just before the drawing process ends harmless.
- the technology that prevents the occurrence of hair by expanding the gap between the die and the die beyond the plate thickness of the work piece, thereby releasing and narrowing the rear end of the flange is disclosed.
- Patent Document 3 when drawing and ironing a metal plate coated with an organic resin on one or both sides, before drawing, the outer edge of the organic resin-coated metal plate is directed toward the outermost part.
- the step of providing a region for gradually reducing the plate thickness, and by this step, the thickness of the organic resin-coated metal plate at the outermost peripheral portion is set to the maximum of the side wall portion of the organic resin-coated metal plate after ironing.
- a technique is disclosed in which the resin film at the opening end of the can body is prevented from being detached as hair by the ironing die by making it thinner than the plate thickness.
- Patent Document 4 at least the inner surface of a metal plate is coated with a thermoplastic resin in advance, a cup is formed by drawing the resin-coated metal plate, and the periphery of the end edge of the cup is heated and drawn.
- a piece of thermoplastic resin that extends outward from the upper end of the force generated by processing is heat-shrinked to form an exposed metal surface free of thermoplastic resin at the cup opening, and the heat-shrinked resin is
- a technique for preventing the generation of hair by fusing and then performing ironing as redrawing or redrawing is disclosed. .
- Patent Document 5 when a metal container is manufactured by performing cup molding or drawing ironing using a metal plate that is coated with a resin film on at least one side, a laser is formed before cup molding or after force cup molding.
- a technique for preventing hair generation by performing irradiation treatment and removing a part of the resin layer covering the surface is disclosed. These technologies are based on the technical idea of preventing hair using a can-making method. On the other hand, a technique for controlling the characteristics of a metal plate to avoid the generation of hair is also disclosed.
- Patent Document 6 when forming a squeezed iron can from a resin-coated steel plate, the steel composition and material of the steel plate that is the original plate are adjusted, and the surface strength ratio of the crystal plane is adjusted to make it thinner than before.
- steel plates suppressing the increase in steel plate thickness at the top of the can wall during drawing, reducing the amount of ironing in the ironing process, which is the main hair generation process, and suppressing work hardening during processing, thereby deforming
- a technique for preventing the occurrence of hair by preventing an increase in resistance is disclosed.
- Patent Document 7 when DI forming a steel sheet coated with an organic resin film, the steel composition and manufacturing method of the original steel sheet are adjusted, the strength is made soft, and the crystal grain size is controlled, so that hair A technique for avoiding the occurrence of the problem is disclosed.
- Patent Document 7 discloses that a die having a through hole and a through hole having a slight gap are generally used.
- a processing method of a drawn ironing can that manufactures the main body of a processed can by using a punch that can be pressed and passed through a through-hole into the through-hole by a punch in a dry environment, the wiping means provided on the punch.
- This technology is based on the technical idea of removing deposits rather than preventing them from being generated.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-94121
- Patent Document 2 Japanese Patent Laid-Open No. 5-154570
- Patent Document 3 Japanese Patent Laid-Open No. 2004-344940
- Patent Document 4 Japanese Patent Laid-Open No. 9193733
- Patent Document 5 Japanese Unexamined Patent Publication No. 2005-296998
- Patent Document 6 Japanese Unexamined Patent Publication No. 2003-277885
- Patent Document 7 Japanese Unexamined Patent Application Publication No. 2004-255452
- An apparatus for ironing a metal plate coated with an organic resin film on one or both sides, and a die obtained by punching the metal plate into a circle and drawing a die into a cup by ironing and ironing A processing punch, and further, jetting a gas or liquid onto the metal plate at a high pressure, and an ejection port for removing deposits on the metal plate from the metal plate; and the attachment removed from the metal plate.
- An ironing apparatus comprising: a suction port for providing a protrusion, and a protruding portion installing portion having a protruding portion for preventing the gas or the liquid from being diffused.
- the protrusion has a metal plate contact portion for contacting the metal plate, and the metal plate contact portion is a flexible material that can be elastically deformed.
- Ironing machine characterized by comprising material.
- FIG. 1 is a cross-sectional view showing an embodiment of the ironing apparatus of the present invention.
- FIG. 2 is a cross-sectional view showing an embodiment of the ironing apparatus of the present invention. '
- FIG. 3 is a top view showing an embodiment of the ironing device of the present Rakumei. BEST MODE FOR CARRYING OUT THE INVENTION
- the present inventors have intensively studied to solve the above problems. As a result, the following knowledge was obtained.
- the present invention has been made based on the above findings.
- the target metal plate in the present invention is not particularly limited, and any material such as a steel plate or an aluminum plate can be applied. Further, the thickness of the metal plate is not particularly limited. Furthermore, the present invention can be applied even if a metal plate is subjected to surface treatment. ⁇ The type and thickness of the organic resin coating on one or both sides of the metal plate is not limited. It can be selected appropriately according to the usage of the molded product. Then, the present invention, when ironing a metal plate coated with an organic resin film on one side or both sides, jets a gas or a liquid to the metal plate at a high pressure, removes deposits from the metal plate, The kimono is collected.
- 1 and 2 are sectional views showing an embodiment of the ironing apparatus of the present invention.
- 1 and 2 show an apparatus for ironing a metal plate (hereinafter referred to as a metal plate) 1 having an organic resin film coated on one or both sides.
- a metal plate hereinafter referred to as a metal plate
- FIGS. 1 and 2 a blank obtained by punching the metal plate 1 into a circle is drawn into a cup by drawing and ironing, and an ironing die 2 and ironing punch 3 can be contacted with the metal plate and change its inertia.
- a metal plate contact portion made of a flexible material that can be formed is provided, and a projection portion installation portion 5 having a projection portion 4 for preventing gas and / or liquid from being diffused is provided. Furthermore, a gas or liquid is jetted onto the metal plate 1 at a high pressure, and an ejection port 9 for removing the deposit (hair) 7 generated on the cup 6 of the metal plate 1, and the metal plate 1 A suction port 10 for sucking the removed deposit (hair) 7 is provided.
- the protrusion installation part 5, the injection port 9 and the suction port 10 are provided for the purpose of enhancing the hair recovery efficiency, and the protrusion installation parts 5a, 5b, A plurality of injection ports 9 a and 9 b and suction ports 10 a and 10 b are installed. Then, gas or liquid is injected into the space 8 a, 8 b sealed by the ironing die 2, the protrusion installation part 5, the metal plate 1 or the ironing punch 3 from the injection ports 9 a, 9 b. It is possible to inject the plate 1 at high pressure.
- the ironing process is performed by sandwiching the side wall portion of the draw-formed force cup with the ironing punch 3 set to be narrower than the thickness of the side wall portion.
- the thickness of the metal plate 1 is reduced, and the pressure 7 is applied to the force wedge portion 6 by a pressure larger than that of the iron die 2 to break the organic resin film layer, thereby generating the hair 7.
- gas is emitted from the injection port 9a. Or, the liquid is sprayed at high pressure on the force V generated by the hair 7.
- FIG. 2 is a cross-sectional view of the apparatus of the present invention after the ironing process of FIG. 1 is continued and the cup edge portion 6 has passed through the ironing die 2.
- gas or liquid is injected from the injection port 9a to the cup edge 6 where the hair 7 is generated at high pressure, the hair 7 is removed, and then from the suction port 1Oa. The hair 7 is sucked together with the gas or liquid, and the generated hair 7 is removed and collected simultaneously with the ironing process.
- FIG. 3 is a top view of the ironing apparatus shown in FIG.
- at least one injection port 9a, 9b and one suction port 10a, 10b are installed around the can to be processed.
- Injector 1 1 The gas or liquid injected from the force is sprayed onto the surface of the can through the injection ports 9a and 9b, and foreign substances such as film hair are removed from the can. Next, the gas or liquid is sucked together with the film hair into the suction ports 10a and 10b by the suction device 12 to collect the hair.
- the injection ports 9 a and 9 b and the suction ports 10 a and 10 b are installed from the outside of the ironing device toward the ironing hole center direction. Further, the suction is preferably performed at a vacuum of 0. IMPa or less so that the deposits removed by the jetted gas or liquid do not remain in the ironing apparatus.
- the gas or liquid sprayed on the metal plate at a high pressure is used to remove hair and other deposits attached to the metal plate, such as a metal plate, an organic resin film coated on the metal plate, an ironing die, etc.
- the material does not chemically react with the processing apparatus.
- it is a gas
- air can be used, and if it is liquid, pure water with an antifungal agent added can be used.
- the antifungal agent added to pure water wax, lanolin, fatty acid, triethanolamine, inorganic alkali and the like are preferable.
- the pressure during the injection is preferably in the range of 0.4 to 20 MPa, and the injection is performed at a pressure that does not damage the metal plate and the organic resin film that is coated.
- the protrusion installation section 5 has a protrusion 4 for preventing gas and / or liquid from escaping, and the tip of the protrusion 4 is damaged by an organic resin film covered with a metal plate.
- a metal plate contact portion capable of contacting the metal plate is provided.
- the said metal plate contact part consists of a flexible raw material which can be elastically deformed. Examples of the flexible material that can be elastically deformed include resin and rubber. Example Using the ironing machine shown in Fig.
- the ironing process was performed using a laminated steel sheet with 15 ⁇ m PET film heat-sealed on both sides of a 0.22 mm-thick steel sheet. Specifically, using a cup formed by drawing this laminated steel sheet, the first stage drawing was drawn with a draw ratio of 1.6, and the cut obtained in the first stage was drawn as the second stage drawing process. The tape was further drawn with a drawing ratio of 1.5. Furthermore, the three-stage ironing process was carried out so that the thickness of the side wall after processing was 0.150 mm. Film collection was performed after the third stage ironing.
- the injection ports 9 a and 9 b and the suction ports 10 0 a and 10 0 b are all 3 mm in diameter, and the injection ports 9 a and 9 b and the suction ports 10 0 a, 10 b and cans in the sealed spaces 8 a and 8 b
- the distance from the body is about 1 mm.
- Table 1 shows the results of the situation where film hair was generated through processing.
- film hair recovery was evaluated in three stages: X (cannot be recovered), ⁇ (partially recovered), and ⁇ (all recovered). table 1
- Table 1 shows that there is an effect of film hair recovery when the projectile is both liquid (coolant + pure water) and gas (N 2 ), and that the hair is completely recovered at a spray pressure of 0.4 MPa or more. It was.
- the processing method of the present invention enables the recovery of film hair, which was difficult with the conventional method, and achieves both reduction in defects during can making and excellent productivity.
- this work is a processing method that enables removal and recovery of deposits (hair) on the metal plate generated during ironing at the same time as the processing process, It is possible to avoid problems that remain on the processing apparatus that performs the ironing process and damage the surface of the metal plate by the subsequent ironing process, which becomes the starting point of defects during the processing. As a result, it has excellent productivity.
- the process of removing the hair adhering to the iron plate subjected to ironing and the process of removing and collecting the hair remaining in the ironing apparatus can be omitted.
- the present invention can be applied regardless of whether the ironing method is dry or wet, and collects deposits such as hair without being restricted by the processing conditions. Can do.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/934,167 US9011609B2 (en) | 2008-03-26 | 2009-03-19 | Ironing method and ironing apparatus |
CN2009801107944A CN101980805B (zh) | 2008-03-26 | 2009-03-19 | 减薄加工方法和减薄加工装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-079391 | 2008-03-26 | ||
JP2008079391A JP5151598B2 (ja) | 2008-03-26 | 2008-03-26 | しごき加工方法およびしごき加工装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009119781A1 true WO2009119781A1 (ja) | 2009-10-01 |
Family
ID=41113966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/056212 WO2009119781A1 (ja) | 2008-03-26 | 2009-03-19 | しごき加工方法およびしごき加工装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9011609B2 (ja) |
JP (1) | JP5151598B2 (ja) |
CN (1) | CN101980805B (ja) |
MY (1) | MY163810A (ja) |
WO (1) | WO2009119781A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5549367B2 (ja) * | 2010-05-13 | 2014-07-16 | 東洋製罐株式会社 | 剥離ヘア除去装置及び剥離ヘア除去方法 |
JP2019010670A (ja) * | 2017-06-30 | 2019-01-24 | ユニバーサル製缶株式会社 | 缶成形方法、缶成形装置 |
DE102018116333A1 (de) * | 2018-07-05 | 2020-01-09 | Franke Technology And Trademark Ltd. | Verfahren und Vorrichtung zur Trockenbearbeitung tiefgezogener Spülen |
JP6593947B1 (ja) * | 2019-05-17 | 2019-10-23 | 旭精機工業株式会社 | プレス機及びプレス成形方法 |
CN111014177B (zh) * | 2019-11-26 | 2021-12-10 | 中广核核电运营有限公司 | 一种密封段泄漏探头腔室吹扫装置及系统 |
Citations (3)
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JPS5951374B2 (ja) * | 1978-07-31 | 1984-12-13 | 東洋製罐株式会社 | しごき加工機用ノズル装置 |
JP2004255452A (ja) * | 2003-02-27 | 2004-09-16 | Nippon Steel Corp | 乾式絞りしごき加工缶の加工方法 |
JP2007275947A (ja) * | 2006-04-07 | 2007-10-25 | Daiwa Can Co Ltd | 樹脂被覆シームレス缶の製造方法および製造装置 |
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US3653249A (en) * | 1970-03-17 | 1972-04-04 | Aluminum Co Of America | Drawn and ironed containers |
BE795263A (fr) * | 1972-02-11 | 1973-05-29 | K M Engineering A G | Procede de fabrication sans enlevement de copeaux de recipients en tole d'acier |
US3893326A (en) * | 1972-11-16 | 1975-07-08 | Wmf Wuerttemberg Metallwaren | Apparatus for reduction drawing of hollow bodies of stainless steel |
US3945231A (en) * | 1973-10-31 | 1976-03-23 | Toyo Seikan Kaisha Limited | Process and apparatus for preparation of thin walled cylindrical vessels |
US3930396A (en) * | 1974-09-30 | 1976-01-06 | Reynolds Metals Company | Die system for can body press |
US4148208A (en) * | 1977-10-11 | 1979-04-10 | National Can Corporation | Method and apparatus for ironing containers |
US4405058A (en) * | 1981-02-13 | 1983-09-20 | American Can Company | Container |
US4538441A (en) * | 1984-06-12 | 1985-09-03 | Toyo Seikan Kaisha Limited | Redrawing-ironing apparatus |
US5020350A (en) * | 1989-06-19 | 1991-06-04 | Aluminum Company Of America | Apparatus and method for lubricating and cooling in a draw and iron press |
JP2513379B2 (ja) | 1991-10-02 | 1996-07-03 | 東洋製罐株式会社 | 有機被覆金属材の絞り成形法 |
JP2754300B2 (ja) * | 1991-12-06 | 1998-05-20 | 大和製罐株式会社 | Di缶表面処理方法およびその装置 |
WO1993012897A1 (en) * | 1991-12-25 | 1993-07-08 | Nippon Steel Corporation | Steel sheet superior in coating brightness, anti-scratching properties and workability |
EP0592461A1 (fr) * | 1992-05-04 | 1994-04-20 | American National Can Company | Dispositif pour l'etirage de boites metalliques ou metalloplastiques |
DK0777540T3 (da) * | 1994-08-23 | 2002-01-14 | Sequa Corp | Afstrygeenhed til stødslæbe i en maskine til fremstilling af dåselegemer |
JP3496355B2 (ja) | 1995-06-30 | 2004-02-09 | 東洋製罐株式会社 | 2ピース缶胴を成形する方法 |
US5742993A (en) * | 1995-11-03 | 1998-04-28 | Kaiser Aluminum & Chemical Corporation | Method for making hollow workpieces |
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JP2003277885A (ja) | 2002-03-22 | 2003-10-02 | Toyo Kohan Co Ltd | 絞りしごき缶用樹脂被覆鋼板およびそれを用いた絞りしごき缶 |
JP2004344940A (ja) | 2003-05-22 | 2004-12-09 | Jfe Steel Kk | 有機樹脂被覆金属板の加工方法 |
US7805970B2 (en) * | 2003-10-15 | 2010-10-05 | Crown Packaging Technology, Inc. | Can manufacture |
JP4336238B2 (ja) | 2004-04-12 | 2009-09-30 | 新日本製鐵株式会社 | ヘア発生を防止した製缶方法 |
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US9254514B2 (en) * | 2012-05-02 | 2016-02-09 | Farnham Enterprises, Llc | Methods and processes of manufacturing two piece cans |
-
2008
- 2008-03-26 JP JP2008079391A patent/JP5151598B2/ja not_active Expired - Fee Related
-
2009
- 2009-03-19 WO PCT/JP2009/056212 patent/WO2009119781A1/ja active Application Filing
- 2009-03-19 MY MYPI2010004414A patent/MY163810A/en unknown
- 2009-03-19 US US12/934,167 patent/US9011609B2/en not_active Expired - Fee Related
- 2009-03-19 CN CN2009801107944A patent/CN101980805B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951374B2 (ja) * | 1978-07-31 | 1984-12-13 | 東洋製罐株式会社 | しごき加工機用ノズル装置 |
JP2004255452A (ja) * | 2003-02-27 | 2004-09-16 | Nippon Steel Corp | 乾式絞りしごき加工缶の加工方法 |
JP2007275947A (ja) * | 2006-04-07 | 2007-10-25 | Daiwa Can Co Ltd | 樹脂被覆シームレス缶の製造方法および製造装置 |
Also Published As
Publication number | Publication date |
---|---|
US20110114128A1 (en) | 2011-05-19 |
JP5151598B2 (ja) | 2013-02-27 |
MY163810A (en) | 2017-10-31 |
US9011609B2 (en) | 2015-04-21 |
CN101980805A (zh) | 2011-02-23 |
CN101980805B (zh) | 2013-10-02 |
JP2009233677A (ja) | 2009-10-15 |
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