WO2017183514A1 - 金型ホルダ装置及びパイプ部材 - Google Patents
金型ホルダ装置及びパイプ部材 Download PDFInfo
- Publication number
- WO2017183514A1 WO2017183514A1 PCT/JP2017/014779 JP2017014779W WO2017183514A1 WO 2017183514 A1 WO2017183514 A1 WO 2017183514A1 JP 2017014779 W JP2017014779 W JP 2017014779W WO 2017183514 A1 WO2017183514 A1 WO 2017183514A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mold
- clamp
- long groove
- pipe member
- holder device
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000010355 oscillation Effects 0.000 abstract 1
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Images
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
- B21D5/0236—Tool clamping
-
- 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
-
- 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
- B21D5/0272—Deflection compensating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/002—Resiliently deformable pins
- F16B19/004—Resiliently deformable pins made in one piece
Definitions
- the present invention relates to a mold holder device for supporting a mold in a press brake and a pipe member used for the mold holder apparatus. More specifically, for example, when a plurality of divided molds are arranged adjacent to each other, The present invention relates to a mold holder device capable of uniformly clamping each divided mold and a pipe member used for the mold holder device.
- a split mold When a plate-like workpiece is bent by a press brake, a split mold may be used for the upper mold and / or the lower mold. When using a split mold, a plurality of split molds may be arranged in one mold holder device in a state of being adjacent to each other.
- Patent Documents 1 and 2 as prior examples that are considered to be related to the present invention.
- the mold holder described in Patent Document 1 is a lower mold holder, and presses the mold with the mold pressing surface of the clamp plate to the mold contact surface provided in the support body in the mold holder. It is a configuration.
- a plurality of columnar support members are embedded in the mold pressing surface of the clamp plate at appropriate intervals over the entire length in the left-right direction.
- Each support member is provided with a disc spring.
- a support cover that covers the disc spring is provided, and the support cover presses the mold.
- the structure is complicated and it is difficult to press a plurality of dies evenly with a stronger pressing force.
- the mold holder described in Patent Document 2 is an upper mold holder, and has a configuration in which an elastic string such as urethane resin is provided in a lateral groove formed on a movable plate that presses the upper mold. . Therefore, it is difficult to press the plurality of upper molds firmly and evenly with the elastic string.
- the present invention has been made in view of conventional problems, and is a mold holder device in a press brake, in which a mold is clamped between a mold contact surface provided in a holder body in the mold holder device.
- a mold clamp is provided on the holder body so as to be swingable, and the mold clamp swings the mold clamp on the mold clamp surface that clamps the mold between the mold clamp and the mold contact surface.
- a metal pipe member having a long groove parallel to the axis of movement and having a slit in the longitudinal direction is inserted into the long groove in a state where rotation is restricted, and a part of the outer peripheral surface of the pipe member is provided. , And projecting toward the mold contact surface side.
- a rocking fulcrum serving as a rocking center when the mold is clamped by the mold clamp is set at a position where the mold clamp faces the upper front portion of the holder body and the mold. It is provided on the mold clamping surface of the clamp.
- the pipe member is divided into a plurality of parts.
- the long groove has an opening on the mold clamping surface side, and the vertical dimension of the pipe member provided in the long groove is larger than the vertical dimension of the opening.
- the depth dimension of the long groove in the pipe member is larger than the dimension from the mold clamp surface of the mold clamp to the deep wall surface of the long groove.
- the pipe member has a non-circular cross-sectional shape, and the slit of the pipe member in the long groove is provided at a position facing the upper surface, the lower surface, or the back wall surface of the long groove. It is characterized by being.
- a pipe member that is used by being inserted into a long groove of a mold clamp that is swingably provided in a mold holder of a press brake, and has a non-circular cross-sectional shape, and is disposed in the long groove.
- a slit in the longitudinal direction is provided at a position facing the upper surface or the lower surface or the inner wall surface of the long groove.
- the mold when the mold is clamped by the mold clamp between the holder main body and the mold contact surface, the mold is provided with the outer peripheral surface of the metal pipe member inserted into the long groove in the mold clamp. Is fixedly pressed and fixed to the mold contact surface provided in the holder main body. That is, the mold is auxiliaryly pressed and fixed to the mold contact surface by utilizing the elastic deformation of each pipe member. Therefore, a plurality of molds can be pressed and fixed evenly.
- FIG. 2 is an enlarged side sectional explanatory view taken along the line II-II in FIG. 1. It is a side view of the metal mold
- FIG. 3 is an enlarged view of a main part shown in FIG. 2. It is operation
- FIG. 1 is a perspective explanatory view of a mold holder device embodying the present invention.
- FIG. 1 illustrates a mold holder apparatus 1 that supports a plurality of lower molds (dies) D as a mold holder apparatus in a press brake.
- the press brake includes an upper die (punch) that cooperates with the lower die D to bend a plate-like workpiece (not shown). Therefore, the illustrated mold holder device can also be applied to a mold holder that supports the upper mold by making appropriate changes.
- the mold holder device 1 includes a holder body 3 that can be mounted on a lower table T in a press brake (not shown).
- the holder body 3 is mounted on the lower table T via an integral holder base 5. Since the holder body 3 and the holder base 5 are integrally provided in advance, the holder base 5 can be regarded as a part of the holder body 3.
- the holder body 3 is formed long in the left-right direction (X-axis direction).
- a mold support surface 7 for supporting the lower mold D is formed horizontally on the upper surface of the holder body 3 and a mold contact surface 9 for contacting the lower mold D in the horizontal direction.
- 11 is supported to be swingable in the front-rear direction.
- the mold clamp 11 is formed shorter than the holder body 3 as shown in FIG.
- the plurality of mold clamps 11 are arranged in the left-right direction and are provided in the holder body 3.
- a plurality of through holes 13 are provided at appropriate intervals in the left-right direction at a position higher than the intermediate height position in the up-down direction of each mold clamp 11.
- Pipe-like spacers 15 that pass through the through holes 13 in a relatively swingable manner are in contact with the front surface of the holder body 3.
- An elastic member 18 such as a disc spring is elastic between the head of the fixing screw 17 that passes through the spacer 15 and is fixed to the holder body 3 by screwing horizontally and the bottom 13A of the through hole 13. It is disguised. Therefore, the mold clamp 11 is always pressed and urged toward the holder body 3 by the urging force of the elastic member 18.
- the mold clamp 11 is supported so as to be slightly movable in the front-rear direction with respect to the fixing screw 17.
- a pressing screw member 19 whose tip is in contact with the front surface 3F of the holder body 3 is provided at the lower portion of the central portion of the mold clamp 11 in the left-right direction. Is screwed so as to be movable in the front-rear direction.
- a support protrusion 23 is provided to serve as a swing support for the mold clamp 11.
- a fulcrum protrusion 23 is formed on the mold clamp surface 21 that presses and clamps the lower mold D against the mold contact surface 9 above the fixing screw 17. It is.
- the fulcrum protrusion 23 is formed in the left-right direction (X-axis direction) at a height position between the fixing screw 17 and the mold support surface 7 at a height position where the fulcrum protrusion 23 abuts the front surface 3F of the holder body 3 It is formed into a long ridge.
- a long groove 25 in the left-right direction is formed on the tip side of the mold clamp surface 21 where the mold clamp 11 clamps the lower mold D between the holder body 3 and the mold contact surface 9. It is formed.
- the long groove 25 is a long groove parallel to the rocking center (rotation center) of the mold clamp 11 and opens in a direction facing the mold contact surface 9 as shown in FIG. .
- a plurality of pipe members 29 are inserted into the long groove 25.
- the pipe member 29 is made of a metal such as spring steel or stainless steel, and has a large elastic coefficient, and is formed with a longitudinal slit 29S so as to be elastically deformable.
- a protrusion 25P (see FIG. 4) for preventing the pipe member 29 from falling off is formed in the opening 25A of the long groove 25.
- the pipe member 29 is inserted into the long groove 25 in a state in which the rotation is restricted so as not to rotate in the long groove 25. That is, as schematically shown in FIG. 5, the cross-sectional shape of the pipe member 29 is non-circular (substantially elliptical), and the vertical dimension of the pipe member 29 is the vertical dimension of the opening 25A. It is formed larger than the opening size. However, the vertical dimension of the pipe member 29 is formed smaller than the distance between the upper surface 25B and the lower surface 25C in the long groove 25. The dimension of the pipe member 29 in the depth direction (Y-axis direction) of the long groove 25 is larger than the dimension from the mold clamp surface 21 of the mold clamp 11 to the deep wall surface 25D of the long groove 25. .
- the pipe member 29 is inserted in the long groove 25 so as to be easily movable in the longitudinal direction of the long groove 25 as shown in FIG. Then, the pipe member 29 cannot be removed from the opening 25A, and a part of the pipe member 29 protrudes from the opening 25A. Further, in the long groove 25, as shown in FIG. In addition, it is inserted into the long groove 25 in a state in which the rotation around the axis is restricted. As described above, the slit 29S of the pipe member 29 inserted into the long groove 25 is provided at a position facing the upper surface 25B, the lower surface 25C or the back wall surface 25D of the long groove 25.
- a stopper 31 (see FIGS. 3 and 6) for preventing the pipe member 29 from coming out of the long groove 25 is provided on the end surface of the mold clamp 11 in the X-axis direction.
- each pipe member 29 provided in each mold clamp 11 is elastically deformed, and the lower mold D is urged against the mold contact surface 9 of the holder body 3 in an auxiliary manner. That is, when the lower mold D is clamped between the mold abutment surface 9 of the mold holder 3 by the mold clamp surface 21 of the mold clamp 11, the pipe member 29 acts as an auxiliary to lower the mold D Since the mold D is clamped, when the lower mold D is a split mold, each lower mold D is clamped with an equal pressing force.
- the pipe member 29 is made of a metal such as spring steel, it has a large elastic coefficient. Therefore, a large pressing force (clamping force) can be obtained even with a slight elastic deformation of each pipe member 29. Therefore, even if the lower mold D is a split mold, the split mold can be securely pressed and fixed.
- the fulcrum protrusion 23 of the mold clamp 11 tends to move away from the front surface 3F of the holder body 3, the elasticity elastically mounted between the head of the fixing screw 17 and the bottom 13A of the through hole 13 is provided.
- the member 18 will be more strongly compressed. Therefore, the lower mold D can be clamped more strongly.
- exchange is cancelled
- the present invention can also be applied to a mold holder device 1A on which the upper mold P is mounted.
- the overall configuration of the mold holder device 1A shown in FIG. 7 is a well-known configuration. However, in order to facilitate understanding, the overall configuration will be schematically described.
- an upper holder body 3U corresponding to the holder body 3 is detachably attached to the lower surface of the upper table UT on the upper table UT corresponding to the lower table T.
- a mold support surface 7U corresponding to the mold fulcrum surface 7 and a mold contact surface 9U corresponding to the mold contact surface 9 in the holder body 3 are provided in the upper holder body 3U.
- a mold clamp 11U corresponding to the mold clamp 11 is supported by a fixing screw 17U corresponding to the fixing screw 17 so as to be rotatable (swingable).
- the mold clamp 11U is provided with a pressing screw member 19U corresponding to the pressing screw member 19.
- the fixing screw 17U is provided with an elastic member 20U that presses the mold clamp 11U against the corresponding portion of the fixing screw 17U.
- a long groove 25U corresponding to the long groove 25 is provided on the distal end side of the mold clamp 11U, and a plurality of pipe members 29U corresponding to the pipe member 29 are provided in the long groove 25U. Yes.
- the mold is auxiliaryly pressed and fixed to the mold contact surface provided in the holder body by the outer peripheral surface of the metal pipe member inserted into the long groove in the mold clamp. Can be pressed and fixed evenly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
Description
Claims (6)
- プレスブレーキにおける金型ホルダ装置であって、この金型ホルダ装置におけるホルダ本体に備えた金型当接面との間に金型をクランプするための金型クランプを、前記ホルダ本体に揺動可能に備え、前記金型クランプが前記金型当接面との間に金型をクランプする金型クランプ面に、当該金型クランプの揺動軸心と平行な長溝を備え、長手方向のスリットを備えた金属製のパイプ部材を、前記長溝内に回転を規制した状態に挿入して備え、かつ前記パイプ部材の外周面の一部を、前記金型当接面側へ突出して設けることを特徴とする金型ホルダ装置。
- 請求項1に記載の金型ホルダ装置において、前記金型クランプによって金型をクランプする際の揺動の中心となる揺動支点を、前記金型クランプが前記ホルダ本体の前面上部と対向する位置と前記金型クランプの金型クランプ面とに備えていることを特徴とする金型ホルダ装置。
- 請求項1に記載の金型ホルダ装置において、前記パイプ部材は複数に分割してあることを特徴とする金型ホルダ装置。
- 請求項1に記載の金型ホルダ装置において、前記長溝は前記金型クランプ面側に開口部を備えた構成であり、前記長溝内に備えた前記パイプ部材の上下方向の寸法は前記開口部の上下方向の寸法より大であり、かつパイプ部材においての長溝の奥行方向の寸法は、前記金型クランプの金型クランプ面から前記長溝の奥壁面までの寸法より大であることを特徴とする金型ホルダ装置。
- 請求項1に記載の金型ホルダ装置において、前記パイプ部材の断面形状は非円形状であって、前記長溝内におけるパイプ部材の前記スリットは、前記長溝における上面又は下面或は奥壁面に対向した位置に備えられていることを特徴とする金型ホルダ装置。
- プレスブレーキの金型ホルダに揺動可能に備えた金型クランプの長溝内に挿入して使用されるパイプ部材であって、横断面形状は非円形状であって、前記長溝内に配置したときに、前記長溝の上面又は下面或は奥壁面に対向する位置に、長手方向のスリットを備えていることを特徴とするパイプ部材。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17785853.7A EP3446801B1 (en) | 2016-04-19 | 2017-04-11 | Mold holder device and pipe member |
CN201780024009.8A CN109070169B (zh) | 2016-04-19 | 2017-04-11 | 金属模具支架装置以及管状部件 |
KR1020187031617A KR102020940B1 (ko) | 2016-04-19 | 2017-04-11 | 금형 홀더 장치 및 파이프 부재 |
US16/094,702 US11020783B2 (en) | 2016-04-19 | 2017-04-11 | Mold holder device and pipe member |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-083423 | 2016-04-19 | ||
JP2016083423A JP6251771B2 (ja) | 2016-04-19 | 2016-04-19 | 金型ホルダ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017183514A1 true WO2017183514A1 (ja) | 2017-10-26 |
Family
ID=60115926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/014779 WO2017183514A1 (ja) | 2016-04-19 | 2017-04-11 | 金型ホルダ装置及びパイプ部材 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11020783B2 (ja) |
EP (1) | EP3446801B1 (ja) |
JP (1) | JP6251771B2 (ja) |
KR (1) | KR102020940B1 (ja) |
CN (1) | CN109070169B (ja) |
TW (1) | TWI650191B (ja) |
WO (1) | WO2017183514A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6220410B2 (ja) * | 1983-01-12 | 1987-05-07 | Toyo Denso Kk | |
JPH0262119U (ja) * | 1988-10-31 | 1990-05-09 | ||
JPH10146617A (ja) | 1996-11-19 | 1998-06-02 | Komatsu Ltd | プレスブレーキの上型取付装置 |
JP2001030010A (ja) | 1999-07-22 | 2001-02-06 | Amada Co Ltd | 金型ホルダ |
US6516649B1 (en) * | 2000-09-13 | 2003-02-11 | Wilson Tool International, Inc. | Press brake tooling providing stabilization between die and die holder |
JP2004261866A (ja) * | 2002-09-09 | 2004-09-24 | Amada Europ | 工具スペーサのための櫛状システム |
WO2013161464A1 (ja) * | 2012-04-27 | 2013-10-31 | 村田機械株式会社 | プレスブレーキの金型ホルダ |
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2016
- 2016-04-19 JP JP2016083423A patent/JP6251771B2/ja active Active
-
2017
- 2017-04-11 KR KR1020187031617A patent/KR102020940B1/ko active IP Right Grant
- 2017-04-11 WO PCT/JP2017/014779 patent/WO2017183514A1/ja active Application Filing
- 2017-04-11 CN CN201780024009.8A patent/CN109070169B/zh active Active
- 2017-04-11 EP EP17785853.7A patent/EP3446801B1/en active Active
- 2017-04-11 US US16/094,702 patent/US11020783B2/en active Active
- 2017-04-18 TW TW106112904A patent/TWI650191B/zh active
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS6220410B2 (ja) * | 1983-01-12 | 1987-05-07 | Toyo Denso Kk | |
JPH0262119U (ja) * | 1988-10-31 | 1990-05-09 | ||
JPH10146617A (ja) | 1996-11-19 | 1998-06-02 | Komatsu Ltd | プレスブレーキの上型取付装置 |
JP2001030010A (ja) | 1999-07-22 | 2001-02-06 | Amada Co Ltd | 金型ホルダ |
US6516649B1 (en) * | 2000-09-13 | 2003-02-11 | Wilson Tool International, Inc. | Press brake tooling providing stabilization between die and die holder |
JP2004261866A (ja) * | 2002-09-09 | 2004-09-24 | Amada Europ | 工具スペーサのための櫛状システム |
WO2013161464A1 (ja) * | 2012-04-27 | 2013-10-31 | 村田機械株式会社 | プレスブレーキの金型ホルダ |
Also Published As
Publication number | Publication date |
---|---|
EP3446801B1 (en) | 2020-12-16 |
TW201742682A (zh) | 2017-12-16 |
EP3446801A4 (en) | 2019-04-24 |
CN109070169B (zh) | 2021-08-10 |
CN109070169A (zh) | 2018-12-21 |
US20190111461A1 (en) | 2019-04-18 |
EP3446801A1 (en) | 2019-02-27 |
US11020783B2 (en) | 2021-06-01 |
JP6251771B2 (ja) | 2017-12-20 |
TWI650191B (zh) | 2019-02-11 |
KR20180126065A (ko) | 2018-11-26 |
JP2017192950A (ja) | 2017-10-26 |
KR102020940B1 (ko) | 2019-09-11 |
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