WO2005120740A1 - ヘミングダイおよびヘミング金型装置 - Google Patents
ヘミングダイおよびヘミング金型装置 Download PDFInfo
- Publication number
- WO2005120740A1 WO2005120740A1 PCT/JP2005/010769 JP2005010769W WO2005120740A1 WO 2005120740 A1 WO2005120740 A1 WO 2005120740A1 JP 2005010769 W JP2005010769 W JP 2005010769W WO 2005120740 A1 WO2005120740 A1 WO 2005120740A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- die
- hemming
- piece
- mold
- center
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/12—Edge-curling
- B21D19/14—Reinforcing edges, e.g. armouring same
Definitions
- the present invention relates to a hemming die and a hemming mold device.
- Fig. 1 and Fig. 2 show a die holder 35 in which a hemming die 31 generally used in a bending machine such as a press brake is fixed on a lower table 33 of a press brake body (not shown). This shows a state in which it is fixed by a plurality of fastening plates 37.
- Reference numeral 39 denotes a hemming punch
- reference numeral 41 denotes a fastening bolt
- reference numeral 43 denotes a center of a mold.
- FIGS. 3 (a) and 3 (b) in the acute angle bending in the previous step, an acute angle bending die (FIG. 3), which is a combined force of a punch 45 and a V die 47 having two V-shaped grooves. (a)), the die shut height when the punch 45 (located on the side indicated by a two-dot chain line in the figure) is abutted against a V groove having a V width of “V” of the V die 47.
- FIG. 5 shows the direction of the thrust load 45 in the first half of the hemming force (the range of the machining process indicated by the symbol FP in FIGS. 4 (a) and 4 (b)). In the latter half of the hemming force (the range of the kamen process indicated by the symbol LP in Figs. 4 (b) and 4 (c)), the direction of the thrust load is reversed.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a mold shut-down device for a hemming mold device even when the V width of the acute-angle bending mold in the previous process is changed.
- the height of the workpiece can be adjusted to the same height, and there is no need to replace the pre-process die with the post-process die, the thrust load is reduced, and the work W is easily positioned near the center of the die.
- An object of the present invention is to provide a hemming mold device.
- a hemming die based on the first aspect of the present invention is a hemming die used for a bending machine, wherein a die body is provided, and a die piece is provided on an upper portion of the die body. Is detachably provided on the die body.
- the hemming die based on the second aspect of the present invention is the same as the hemming die based on the first aspect, except that a step portion extending in the longitudinal direction is provided above the die body.
- a hemming die based on the third aspect of the present invention is characterized in that, in the hemming die based on the first aspect or the second aspect, the die piece has a rectangular cross section.
- a hemming die based on the fourth aspect of the present invention is a hemming die based on any one of the first aspect to the third aspect.
- a mark for visually confirming the center position of the mold is provided at the center of the mold.
- a hemming die device based on the fifth aspect of the present invention is a hemming die device including a hemming punch and a hemming die used for a bending machine.
- the hemming die has a die body.
- a step portion extending in the longitudinal direction is provided at an upper portion of the die body, and a thrust receiving member protruding upward from an upper surface of the die body is provided at a rear side surface of the die body, wherein the thrust receiving member and the step portion are provided.
- the hemming punch is provided with a connecting member which is slidably fitted upward and downward in the upper part of the thrust receiving member.
- the mold shut height of the hemming mold apparatus can be easily changed to the sharp bending metal in the previous step. Since the height can be adjusted to the same as the shut height of the mold, it is not necessary to exchange the mold between the preprocess die and the hemming die by mounting the preprocess die and the hemming die simultaneously on the bending machine.
- the thrust load in the front-rear direction generated at the time of the hemming process is distributed and received by the hemming punch and the hemming die (die assembly). Therefore, it is possible to reduce the relative displacement between the center positions of the punch and the die.
- the die piece is selectively used in the vertical direction or the horizontal direction to easily cope with a change in the mold shut height. can do.
- the work tip when positioning the work near the center of the mold, the work tip is brought into contact with the thrust receiving member, so that the work is moved to the center of the mold. Thrust load can be reduced because it can be easily positioned near
- the center of the mold on the upper surface of the die piece is marked so that the center of the mold is visible. It can be easily positioned.
- FIG. 1 is an explanatory view (side view) of a conventional hemming mold.
- FIG. 2 is an explanatory view (front view) of a conventional hemming mold.
- FIG. 3 (a) is an explanatory view of a pre-process die (a sharp angle bending) used for a conventional hemming process
- FIG. 3 (b) is an explanatory view of a hemming die.
- FIGS. 4 (a), 4 (b) and 4 (c) the shape of the work changes with the progress of the hemming force, and the contact point P between the hemming punch and the work moves. It is a figure explaining a situation.
- FIG. 5 is an explanatory diagram of a thrust load generated in the first half of the hemming force.
- FIG. 6 is an explanatory diagram of positioning of a workpiece W during conventional hemming processing.
- FIG. 7 is an explanatory diagram of a hemming mold device according to the present invention.
- FIG. 8 (a) and FIG. 8 (b) are explanatory views of a mounted state of a die piece having a rectangular cross section used for the hemming die according to the present invention.
- FIG. 9 is an explanatory view of a mold when a die D having one V-shaped groove for acute angle bending and a punch P for acute angle bending in the previous process are combined.
- FIG. 10 is an explanatory view when positioning a workpiece W near the center of the die in the hemming die apparatus according to the present invention.
- FIG. 7, FIG. 8 (a), and FIG. 8 (b) are explanatory diagrams of the hemming mold device according to the present invention.
- the hemming mold device 1 includes a hemming punch 3 and a hemming
- the hemming die (die assembly) 5 is formed on a lower table 7 of a bending machine (not shown) by a V-groove used for acute angle bending in a pre-process described later.
- a known die holder 9 to which one die or a split V-groove can be attached and fixed is fixed by bolts (not shown).
- the above-described die holder 9 is mounted so as to extend in the X-axis direction (a direction perpendicular to the paper surface) of a bending machine (not shown).
- the die holder 9 has a V-shaped groove ( A single die or a split V-groove supports the lower surface of one die with a support surface HF and a vertical contact surface (CS) that can contact the rear surface (RS) of these dies. And a clamping plate 11 which is opposed to the contact surface (CS) and contacts the front side surface (FS) of the die, and a bolt 13 for tightening the clamping plate 11.
- a die holder 9 for example, a die holder having a configuration as disclosed in Japanese Patent Application Laid-Open No. 2002-219517 can be used.
- the above-mentioned die holder 9 has a die body 17 provided with an engaging projection 15 that engages with the die mounting portion of the die holder 9, and is mounted and fixed to the die holder 9 via the engaging projection 15. is there.
- the cross-sectional shape of the engaging projection 15 is such that the V-groove is provided in the same manner as one die or the split V-groove is provided in the same manner as one die, and the V-groove is provided in one die or A split V-groove is provided with a rear side RS corresponding to a die rear side similar to one die, and a front side FS corresponding to a front side of the die.
- the die body 17 can be fixed to the die holder 19 by tightening the tightening plate 11 with the bolts 13.
- a step portion 19 extending in the X-axis direction is provided on an upper portion of the die body 17, and a thrust receiver projecting upward from an upper surface of the die body 17 is provided on a rear side surface of the die body 17.
- the member 21 is fixed to the die body 17 by bolts (not shown).
- a die piece 23 having a rectangular cross section that can be selectively mounted in a vertical direction or a horizontal direction is mounted in a concave portion formed above the die body 17 by the thrust receiving member 21 and the stepped portion 19,
- the die piece 23 is fixed to the die main body 17 by a set screw 25 provided at the front side of the die main body 17 so as to be able to advance and retreat in the horizontal direction.
- a mark 30 that allows the center 27 of the mold to be visually recognized is provided at the center 27 of the mold on the upper surface of the die piece 23 selectively mounted on the die body 17 in the vertical or horizontal direction.
- This mark 30 Can be formed by engraving or by providing a groove with a small line width, or by laser marking.
- the hemming punch 3 is integrally formed with a connection member 29 which is vertically slidably fitted on the upper portion of the thrust receiving member 21 and engages with the thrust receiving member 21 by bolts (not shown). It is attached to.
- the mold shut height (indicated by reference numeral H2 in FIG. 7) when the die holder 9, the hemming die (die assembly) 5 and the hemming punch 3 are combined.
- the size of the die piece 23 is set so that the V-groove for acute bending shown in Fig. 9 is the same as the mold shut height H2 when one die D and the punch P for acute bending are combined as shown in Fig. 9. Has been selected.
- the mold shut heights of the mold for acute angle bending and the hemming mold in the previous process can be easily adjusted to the same height.
- the mold shut heights of the mold for acute angle bending and the hemming mold in the previous process can be easily adjusted to the same height.
- FIG. 8 (a) shows a case where the die piece 23 having a rectangular cross section is mounted in a horizontal direction, and the die height is DL at this time.
- FIG. 8B shows a case where the die piece 23 is mounted in the vertical direction, and the die height is DH at this time. Note that DL ⁇ DH.
- the die piece 23 having a rectangular cross section in the vertical direction or the horizontal direction it is possible to replace the die with a V-groove die having a different V width in the acute angle bending in the previous process, and to perform the mold shut height.
- the amount of change is ⁇ ⁇
- the change in the dynoite “DH-DL” between the vertical direction and the horizontal direction of the die piece 23 is provided so as to be equal to ⁇ .
- DH-DL the change in the dynoite “DH-DL” between the vertical direction and the horizontal direction of the die piece 23 is provided so as to be equal to ⁇ .
- the lateral direction it is possible to easily respond to changes in the mold shut height.
- the forward and rearward thrust load generated during the hemming process is applied to the hemming die 3 (die assembly) via the thrust receiving member 21 and the connecting member 29. (Three-dimensional) 5 and received in a dispersed manner, so the thrust load can be reduced.
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 |
---|---|---|---|
JP2004-175233 | 2004-06-14 | ||
JP2004175233A JP4587713B2 (ja) | 2004-06-14 | 2004-06-14 | ヘミングダイおよびヘミング金型装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005120740A1 true WO2005120740A1 (ja) | 2005-12-22 |
Family
ID=35502887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/010769 WO2005120740A1 (ja) | 2004-06-14 | 2005-06-13 | ヘミングダイおよびヘミング金型装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4587713B2 (ja) |
WO (1) | WO2005120740A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107774807A (zh) * | 2016-08-30 | 2018-03-09 | 江苏凤凰木业有限公司 | 分体式的折边块 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015199122A (ja) | 2014-04-01 | 2015-11-12 | 株式会社アマダホールディングス | プレスブレーキ用金型及びヘミング加工方法 |
JP7421965B2 (ja) * | 2020-03-13 | 2024-01-25 | 株式会社アマダ | 端曲げ用ダイ金型及び端曲げ用金型セット |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687028A (ja) * | 1992-06-26 | 1994-03-29 | Toei Kogyo Kk | 小型、軽量ヘミング金型 |
JP2002219517A (ja) * | 2001-01-22 | 2002-08-06 | Amada Co Ltd | 金型支持装置 |
JP2003181546A (ja) * | 2001-12-17 | 2003-07-02 | Amada Co Ltd | ヘミングダイ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10277655A (ja) * | 1997-04-03 | 1998-10-20 | Sanwa Kentetsu Kk | ヘミング成形装置及び方法 |
-
2004
- 2004-06-14 JP JP2004175233A patent/JP4587713B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-13 WO PCT/JP2005/010769 patent/WO2005120740A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0687028A (ja) * | 1992-06-26 | 1994-03-29 | Toei Kogyo Kk | 小型、軽量ヘミング金型 |
JP2002219517A (ja) * | 2001-01-22 | 2002-08-06 | Amada Co Ltd | 金型支持装置 |
JP2003181546A (ja) * | 2001-12-17 | 2003-07-02 | Amada Co Ltd | ヘミングダイ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107774807A (zh) * | 2016-08-30 | 2018-03-09 | 江苏凤凰木业有限公司 | 分体式的折边块 |
Also Published As
Publication number | Publication date |
---|---|
JP2005349457A (ja) | 2005-12-22 |
JP4587713B2 (ja) | 2010-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2610279C (en) | Tool fastening device for a wedge drive | |
TW575469B (en) | Slide cam die | |
EP1568421B1 (en) | Method of processing of a formed product and metal upper mold used for the method | |
JP2008546538A5 (ja) | ||
WO2005120740A1 (ja) | ヘミングダイおよびヘミング金型装置 | |
JP2004249355A (ja) | モジュールカムと加工具の取付位置調整方法 | |
JP5957335B2 (ja) | 金型アダプタ | |
JP3495335B2 (ja) | 金型支持装置 | |
JP2004058192A (ja) | 工作機械の静圧ガイド構造 | |
JP5219417B2 (ja) | 曲げ加工システム | |
JP4271010B2 (ja) | プレスブレーキ用ダイホルダ装置 | |
JP6785392B1 (ja) | プレスブレーキ | |
JPS6149734A (ja) | プレス型 | |
CN211438775U (zh) | 印刷机机头滑块点焊工装 | |
JP4369554B2 (ja) | ベンダー用の金型装置 | |
JP4521073B2 (ja) | 追抜き金型 | |
WO2020230730A1 (ja) | 曲げ加工システム及び金型移送方法 | |
JP4316448B2 (ja) | プレス用金型装置 | |
JP2000126817A (ja) | 金型把持装置 | |
JP3153767B2 (ja) | プレスブレーキ用下型装置およびダイ並びにダイホルダ | |
JP2533931Y2 (ja) | 溝入れ用金型 | |
WO2022158352A1 (ja) | 折曲げ加工方法 | |
JPH0824965A (ja) | プレス機械における位置合わせ用ガイドプレート | |
JP4824977B2 (ja) | プレスブレーキ | |
JPH0737419U (ja) | 突当てゲージ機能付き曲げ加工用金型 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |