WO1998022239A1 - Structure monobloc materiau en feuille et element cylindrique, et procede de production associe - Google Patents
Structure monobloc materiau en feuille et element cylindrique, et procede de production associe Download PDFInfo
- Publication number
- WO1998022239A1 WO1998022239A1 PCT/JP1997/004251 JP9704251W WO9822239A1 WO 1998022239 A1 WO1998022239 A1 WO 1998022239A1 JP 9704251 W JP9704251 W JP 9704251W WO 9822239 A1 WO9822239 A1 WO 9822239A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- cylindrical
- plate
- die
- molding machine
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K23/00—Making other articles
- B21K23/04—Making other articles flanged articles
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/40—Making outlet openings, e.g. bung holes
-
- 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
- B21D53/00—Making other particular articles
-
- 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
- B21D53/00—Making other particular articles
- B21D53/24—Making other particular articles nuts or like thread-engaging members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/02—Producing blanks in the shape of discs or cups as semifinished articles for making hollow articles, e.g. to be deep-drawn or extruded
Definitions
- the present invention relates to an integrated structure of a plate material and a cylindrical body, and a method of manufacturing the same.
- the present invention relates to an integrated structure of a plate and a cylindrical body and a method for manufacturing the same.
- a metal plate such as a fuel cap or a pipe fitting and a metal tubular body penetrating therethrough are integrally provided.
- a metal plate such as a fuel cap or a pipe fitting and a metal tubular body penetrating therethrough are integrally provided.
- a metal plate such as a fuel cap or a pipe fitting and a metal tubular body penetrating therethrough are integrally provided.
- FIG. 11 0 1 and cylindrical body 10 1 are integrally formed by hot forging, or as shown in Fig. 11, press-formed sheet material 10 2 and cylindrical body 10 3 are welded 10 0 Some are joined at 4.
- the above-mentioned forged products have high strength due to integration, but have rough surfaces and poor dimensional accuracy as a product, so secondary processing such as cutting is required.Furthermore, furnaces and high-rigidity dies are used as manufacturing equipment. And the production equipment becomes expensive.
- the sheet material is first pressed from the direction of the arrow in Fig. It is also possible to adopt a double cylindrical drawing process in which the inner cylindrical body 106 is formed by drawing in a reverse direction from the arrow direction of Fig. 12B. Conceivable.
- the cylindrical wall portion composed of the inner and outer cylinders 105 and 106 is separated with a large gap 107 between them as shown in the figure. Since the inner and outer cylinders 105 and 106 and the plate portion 108 are connected by a large radius, the joint rigidity (relative displacement strength) between the plate portion 108 and the cylindrical wall is low. Content The positional relationship between the two easily changes. For this reason, this method cannot be used for products that require a strong connection between the plate part and the cylindrical wall.
- the present invention provides an integrated structure of a plate material and a cylindrical body that has high bonding rigidity between the plate material and the cylindrical body and that is easy to manufacture, and that this structure can be easily formed, and the degree of freedom of the shape is high. It is intended to provide a manufacturing method.
- the invention according to claim 1 is a polymerization wall (6) in which a part of a cylindrical wall (3) of a cylindrical body (2) is in close contact, and the polymerization wall (6)
- the outermost wall (5) is folded back to be continuous with the plate (1), and is an integrated structure of a plate and a tubular body.
- the invention according to claim 2 is a manufacturing method for manufacturing the structure according to claim 1, wherein the cylindrical body (2) is projected from the plate material (1), and the cylindrical wall (3) of the cylindrical body (2) is formed.
- the outer wall (5) is formed by inverting the end of the outer wall to the outside, and the outer wall (5) is brought into close contact with the cylindrical wall (3) to form the overlapped wall (6). It is a method of manufacturing an integrated body structure.
- the invention according to claim 3 is the invention according to claim 2, wherein one or both of the plate material (1) and the cylindrical body (2) are moved in the axial direction of the cylindrical body (2) to thereby form the cylindrical wall (3). ) Is inverted.
- the invention according to claim 4 is the invention according to claim 2, wherein the diameter of the outer wall (5) or the diameter of the cylindrical wall (3) is increased or the diameter of the outer wall (5) is reduced and the diameter of the cylindrical wall (3) is increased.
- the outer wall (5) is brought into close contact with the cylindrical wall (3).
- the cylindrical wall (3) is reduced in thickness by drawing.
- FIG. 1A and Fig. 1B show an integrated structure of the plate material and the cylindrical body of the present invention.
- Fig. 1A is the first embodiment
- Fig. 1B is A second embodiment will be described.
- FIG. 2 is a cross-sectional view of a molding machine showing a second step in the first embodiment of the production method of the present invention.
- FIG. 3 is a sectional view of the molding machine showing the third step in the same manner.
- FIG. 4 is a sectional view of the molding machine showing the fourth step in the same manner.
- FIG. 5A—FIG. 5D is a cross-sectional view of a product showing each step according to the first embodiment of the manufacturing method of the present invention.
- FIG. 6A Fig. 6B shows an example of engraving a screw on the structure of the present invention.
- Fig. 6A is a side sectional view
- Fig. 6B is a plane.
- FIG. 6A is a side sectional view
- FIG. 6B is a plane.
- FIG. 7 is a cross-sectional view of a molding machine showing a thinning step in a second embodiment of the production method of the present invention.
- FIG. 8 is a cross-sectional view of a molding machine showing a process of forming a curved portion at a joint between a tubular body and a plate material.
- 9A to 9E are cross-sectional views of products showing respective steps according to the second embodiment of the manufacturing method.
- FIG. 10 is a cross-sectional view of a conventional hot forged product.
- FIG. 11 is a cross-sectional view of a product joined by conventional welding.
- Fig. 1 2A and Fig. 1 2B show conventional double cylindrical drawing
- Fig. 1 2A is a cross-sectional view of the first drawing
- Fig. 1 2 B is a cross-sectional view of the second reverse drawing.
- FIG. 1A—FIG. 9E The embodiment of the present invention will be described based on an example shown in FIG. 1A—FIG. 9E.
- Fig. 1A and Fig. 1B show two examples showing an integrated structure of a plate material and a tubular body of the present invention.
- 1 is a metal member
- 2 is a metal cylinder.
- a part of the cylindrical wall 3 of the cylindrical body 2 is formed on the overlapping wall 6 in which a part of the opening end side of the inner wall 4 is turned outward to be inverted, and the inverted outer wall 5 is brought into close contact with the inner wall 4.
- the tip of the outer wall 5 is bent outwardly at right angles to the cylindrical wall 3 to form the plate 1, and the plate 1 and the cylindrical body 2 are integrally formed.
- the outer wall 5 in the above embodiment is further turned upside down in a meandering shape and turned over to form a superposed wall 6 formed by tightly stacking four plates, and the outermost wall 5
- the tip portion is bent outwardly perpendicular to the cylindrical wall 3 to integrally form the base member 1 and the cylindrical body 2.
- a concave portion 7 is formed on the inner bottom surface of the cylindrical body 2, thereby forming a hexagonal convex portion 7 a on the outer surface side which can lock a tool as shown in FIG. 6. .
- a metal plate material is formed by a known press machine into a bottomed cylindrical portion 11 and a plate material 1 formed in series on the opening end side thereof.
- a hat-shaped product 12 composed of and is formed.
- the molded product 12 is deformed by the molding machine shown in FIG. 2, and the molding machine shown in FIG. 2 will be described.
- a die 14 is fixed on the lower base 13, and a cushion plate 15 is provided at the center of the die 14 so as to be able to move up and down.
- 16 is a spring that constantly urges the cushion plate 15 upward.
- the upper base 17 is moved up and down by a lifting drive means such as a hydraulic cylinder (not shown).
- a die 18 is fixed on the lower surface of the upper base 17 at the outer periphery, and the lower inner peripheral surface 19 has a slightly large curved surface to reduce the processing load. Is formed on a curved surface with an R force of 1 mm.
- a middle die 20 is fixed to the base 17 at the center of the die 18.
- a knockout 21 is interposed between the die 18 and the medium size 20 so as to be able to move up and down, and is normally urged downward by a spring 22.
- FIG. 1A and FIG. 1B are formed on the upper surface of the cushion plate 15.
- a concave surface 24 for forming the concave portion 7 shown in FIG. 1A and FIG. 1B is formed on the upper surface of the cushion plate 15.
- a convex surface 25 corresponding to the concave surface 24 is formed.
- the vertical length is formed shorter than the die 18 to form the outer wall 5 shown in FIG. 1A, FIG.
- the thickness is more than twice the thickness of the plate material, and approximately three times in the embodiment.
- the member molded by the first step 12 is interposed between the cushion plate 15 and the medium size 20 such that its center is located at the center of the cushion plate 15.
- the lower portion of the medium-sized 20 firstly fits into the cylindrical portion 11 shown in FIG. 5A, and subsequently the knockout 21 lowers.
- the upper portion of the tubular portion 11 is sequentially bent outward at the lower end of the knockout 21 and the bent portion is turned downward by the die 18 to be folded.
- the outer peripheral portion of the plate 1 is pressed with a die 14 and a die 18, and as shown in FIG. 2 and FIG. Then, a cylindrical outer wall 5 spaced apart from this, and a product 23 in which a plate 1 orthogonal to the inner wall 4 is bent in a row are formed.
- the concave and convex portions 7, 7a are formed by the concave surface 24 and the convex surface 25.
- the member 23 is deformed by a molding machine shown in FIG.
- the lower end inner peripheral surface 19A of the die 18A is formed to have a larger curved surface than the above-mentioned 19 in order to reduce the processing load, and specifically, R is set to 5 mm.
- the other structure is the same as that of the molding machine in the second step, and the description is omitted.
- the product 23 formed in the second step is formed by the same operation as in the second step. Due to this molding, the outer wall 5 that has been inverted and bent in the second step is moved to the inner wall 4 side and closely adheres to the inner wall 4 as shown in FIG. As shown in FIG. 3 and FIG. 5C, a part of the cylindrical wall 3 on the opening end side has A product 26 having an overlapped wall 6 formed by tightly overlapping the inner wall 4 and the outer wall 5 is formed.
- the product 26 is deformed by a molding machine shown in FIG.
- the curved surface of the lower inner peripheral surface 19B of the die 18B is formed by the lower end of the die 18 and 18A of the molding machine in the second and third steps.
- the inner peripheral surface is smaller than the curved surfaces of 19 and 19 A.
- R is set to 0.5 mm.
- the other structure is the same as that of the molding machine in the third step, and the description is omitted.
- the product 26 formed in the third step is deformed by the same operation as in the second step.
- the curved surface R of the connecting portion 8 between the outer wall 5 and the plate material 1 formed in the third step is corrected to be small to 0.5 mm, and a product 27 as shown in FIG. 5D is formed. Is done. As a result, the product shown in FIG. 1A is formed.
- a screw 28 is formed on the outer peripheral surface of the outer wall 5, as shown in FIG. 6A.
- the product 12 of FIG. 5A is deformed as FIG. 9A by a molding machine shown in FIG. 7 as a second step.
- the molding machine used in the second step has the same component strength as that of the molding machine shown in FIG. 2 above.
- a gap D 3 less than the thickness of ⁇ 1, for example, is formed on one half of the gap of the plate, the die 1-4 is formed longer than the cookie Chillon plates 1 5, the die 1 8 knockout 2 1 same length The difference is that they are formed.
- the product 29 is deformed by a molding machine shown in FIG.
- This molding machine has a higher knock ratio 21 than the molding machine in the second step. The difference is that a concave portion 21 a made of a curved surface is formed on the lower surface, and a convex portion 14 a is formed on the upper surface of the die 14.
- the cylindrical portion 1 is formed by the convex portion 14a and the concave portion 21a.
- the connecting portion between 1 and the plate material 1 is formed into an upwardly curved portion 30, and a product 31 as shown in FIG. 9B is formed.
- the product 31 is molded in the fourth step using a molding machine similar to that of FIG. 2 as shown in FIG. 9C, and then a molding machine similar to that of FIG. 3 above. 9D in the fifth step according to Fig. 9D, and in the sixth step using the same molding machine as in Fig. 4 above, as shown in Fig. 9E I do.
- the thickness of the cylindrical body 2 is reduced, and the thickness of the overlapped wall 6 can be made equal to the thickness of the plate 1.
- the plate 1 of the above embodiment is formed short in order to form a flange portion, the plate 1 may be long.
- the plate 1 when the plate 1 is applied to a filler port of a large tank, the plate 1 constitutes the tank wall. It may be something.
- the bottom surface of the cylindrical body 2 is not limited to the hexagonal convex portion 7a as in the above-described embodiment, but may be a square convex portion ⁇ a simple plate shape, or even a perforated portion. Alternatively, it may be molded.
- the formation position of the plate member 1 with respect to the cylindrical body 2 is not limited to the above-described embodiment, but may be a desired position.
- the formation angle of the metal member 1 with respect to the axis of the cylindrical body 2 is as described above.
- the direction is not limited to the perpendicular direction, and may be inclined. In this case, the opposing surfaces of the die 14 and the die 18 may be inclined.
- the polymerized wall 6 can be formed with a desired number of inverted plates. F i g. IB
- the polymerized wall 6 shown in FIG. 7 is formed in this manner.
- the overlapping wall 6 is not limited to the above-described Fig. 1A and Fig. 1B, and may be formed of two or more required number of plates.
- the die 18 was lowered to push down the plate 1, but the cushion plate 15 was raised to push up the cylindrical portion 11.
- a combination of the lowering of the die 18 and the raising of the cushion plate 15 may be used.
- the screw 28 is engraved on the outer surface of the outer wall 5, but the screw may be engraved on the inner surface of the inner wall 4.
- the outer wall 5 is reduced in diameter and is brought into close contact with the inner wall 4 of the tubular body 2, but in this step, the inner wall 4 is expanded and the outer wall 5 is It may be brought into close contact with the wall 4 or may be brought into close contact by a combination of these.
- Fig. 9A the product 12 shown in Fig. 5A is drawn, but the process of Fig. 5A is omitted, and the plate material is directly processed by Fig.
- the cylindrical body may be protruded and its thickness reduced in the step 9A.
- the portion of the cylindrical member in the cylindrical wall of the cylindrical member is formed of the overlapped tightly-walled wall, the joining of the plate member and the cylindrical member is achieved. It is possible to provide a structure comprising a plate and a cylindrical body having high rigidity (relative displacement strength) and having a strong connection.
- the structure according to claim 1 can be easily manufactured by one press drawing, reversal processing, and diameter expansion or diameter reduction processing. Further, unlike the above-mentioned conventional double cylindrical drawing method, it is not necessary to perform the press drawing more than once on the same portion, so that there is little restriction on the processing limit and a manufacturing method having a high degree of freedom in shape can be provided.
- the reversal in claim 2 is not performed by drawing by pressing, but by moving one or both of the plate member and the cylindrical body in the axial direction of the cylindrical body. Can be achieved, making processing easier and more reliable.
- the adhesion in claim 2 is also improved by the existing simple Process can be performed easily and reliably.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97913422A EP0955111A1 (en) | 1996-11-21 | 1997-11-21 | Integral structure of sheet material and cylindrical member and production method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/310295 | 1996-11-21 | ||
JP8310295A JP2866356B2 (ja) | 1996-11-21 | 1996-11-21 | 板材と筒状体の一体構造物の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998022239A1 true WO1998022239A1 (fr) | 1998-05-28 |
Family
ID=18003508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/004251 WO1998022239A1 (fr) | 1996-11-21 | 1997-11-21 | Structure monobloc materiau en feuille et element cylindrique, et procede de production associe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0955111A1 (ja) |
JP (1) | JP2866356B2 (ja) |
WO (1) | WO1998022239A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104624848A (zh) * | 2010-10-13 | 2015-05-20 | 早出长野股份有限公司 | 电池壳体用盖及电池壳体用盖的制造方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3220239B2 (ja) * | 1992-07-28 | 2001-10-22 | 浜松ホトニクス株式会社 | 放射線検出器 |
JP4570541B2 (ja) * | 2005-09-14 | 2010-10-27 | 三恵技研工業株式会社 | 内外二重筒体の製造方法および製造装置 |
US8567224B2 (en) | 2007-04-11 | 2013-10-29 | Pridgeon & Clay, Inc. | Stretched metal article having reinforced terminal edge and method of making same |
JP4714794B1 (ja) * | 2010-08-17 | 2011-06-29 | 株式会社ヤブサダイナミックス | ダクト |
JP5596647B2 (ja) * | 2010-10-13 | 2014-09-24 | 株式会社ソーデナガノ | 電池ケース用蓋の製造方法 |
JP5608142B2 (ja) * | 2010-10-26 | 2014-10-15 | 株式会社ソーデナガノ | 電池ケース用蓋 |
JP2015083311A (ja) * | 2013-10-25 | 2015-04-30 | ダイハツ工業株式会社 | フランジ曲げ加工装置および曲げ加工方法 |
JP5613341B1 (ja) * | 2014-01-27 | 2014-10-22 | 日新製鋼株式会社 | しごき加工用金型及び成形材製造方法 |
USD752511S1 (en) * | 2014-09-29 | 2016-03-29 | Soode Nagano Co., Ltd. | Battery case |
CN110963129B (zh) * | 2019-12-14 | 2021-05-18 | 佛山市南海峰德义机电设备有限公司 | 筒管双折边机及双折边方法 |
CN116351943B (zh) * | 2023-05-26 | 2023-08-15 | 镇江先锋汽车零部件有限公司 | 一种电机外壳轴承室双层叠料成型工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61195726A (ja) * | 1985-02-26 | 1986-08-30 | Tokai Rika Co Ltd | 鍔付筒部材の製造方法 |
-
1996
- 1996-11-21 JP JP8310295A patent/JP2866356B2/ja not_active Expired - Lifetime
-
1997
- 1997-11-21 EP EP97913422A patent/EP0955111A1/en not_active Withdrawn
- 1997-11-21 WO PCT/JP1997/004251 patent/WO1998022239A1/ja not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61195726A (ja) * | 1985-02-26 | 1986-08-30 | Tokai Rika Co Ltd | 鍔付筒部材の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104624848A (zh) * | 2010-10-13 | 2015-05-20 | 早出长野股份有限公司 | 电池壳体用盖及电池壳体用盖的制造方法 |
CN104624848B (zh) * | 2010-10-13 | 2017-01-18 | 早出长野股份有限公司 | 电池壳体用盖及电池壳体用盖的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2866356B2 (ja) | 1999-03-08 |
JPH10156481A (ja) | 1998-06-16 |
EP0955111A1 (en) | 1999-11-10 |
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