WO2007148591A1 - タイバー逆抜き型締装置 - Google Patents
タイバー逆抜き型締装置 Download PDFInfo
- Publication number
- WO2007148591A1 WO2007148591A1 PCT/JP2007/061955 JP2007061955W WO2007148591A1 WO 2007148591 A1 WO2007148591 A1 WO 2007148591A1 JP 2007061955 W JP2007061955 W JP 2007061955W WO 2007148591 A1 WO2007148591 A1 WO 2007148591A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tie bar
- mold
- fixed plate
- clamping device
- movable plate
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1748—Retractable tie-rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/26—Mechanisms or devices for locking or opening dies
Definitions
- the present invention relates to a mold clamping device such as a die cast machine or an injection molding machine.
- the die-clamping device for die cast machines and injection molding machines is provided with a fixed plate supporting a fixed die and a movable plate supporting a movable die on a base plate, and a tie bar Normally, the end of the 4) is fixed to a fixed platen, and the movable platen is moved along the tie bar to move back and forth to the fixed platen to open and close the mold, thereby producing a structure or a molded article.
- FIG. 1 shows an embodiment of a conventional mold clamping device (see Japanese Patent Application Laid-Open No. 2005-142440).
- a fixed platen 2 supporting a fixed mold 3 is fixed on the base plate 1, and a movable platen 4 supporting the movable mold 5 advances and retracts with respect to the fixed platen 2 via a slider 6. Arranged as possible It is done.
- the first fixing device 1 1 screw portion 1 in the box 14
- It is detachably fixed to the fixed board 2 by an openable / closable split nut 15 that is screwed into 3).
- the middle portion of the tie bar 10 is moved by the second fixing device 1 2 (in the box 17, the openable split nut 18 which is integrated with the multi-groove groove portion 16 is disposed). It is detachably fixed to 4.
- the movable platen 4 is provided with a hydraulic cylinder 20 corresponding to the position of the tie bar 10. Then, the tip of the rod 2 0 a of the upper hydraulic cylinder 2 OA mounted on the upper part of the movable platen 4 is connected to the other end of the upper evening 10 via the connecting member 2 1, Also, the tip of the rod 20 b of the lower hydraulic cylinder 20 B (a part of which is stored in the slider 1) mounted on the lower part of the movable platen 4 is connected to the lower side via the connecting member 21. The other end of the tie bar 10 is connected.
- the hydraulic cylinder 20 upper hydraulic cylinder 20 When A and the lower hydraulic cylinder 20 B) are extended and retracted, the tie bar 10 is fixed, so that the movable plate 4 can be advanced and retracted relative to the fixed plate 2 to perform mold opening and closing.
- the conventional mold clamping device adopts a structure in which the mold is pulled back to the rear of the movable platen at the time of mold replacement, when the mold clamping device is installed in the factory, In the rear of the movable plate, it is necessary to provide a sufficient space for evacuation.
- the tie bar evacuation space is a space prepared only for retracting the tie bar when the mold is replaced, and is a space not used at all while the clamping device is operating.
- the tie bar retracts, it is necessary to avoid damage or damage to the evening due to collision or contact with other devices or devices, etc. Therefore, place other devices or devices in the tie bar retraction space. Things have to be avoided. If the clamping device becomes larger, the space for retraction will also have to be increased accordingly, but within the limited arrangement space, the space for retracting tie bars used only when changing molds Taking a large size is not preferable in terms of effective use of the arrangement space itself.
- the space for retracting the tie bar is large in the limited arrangement space, the space for arranging various devices necessary for controlling the clamping device will necessarily narrow, and various control devices will be overcrowded in the narrow space. In addition to worsening the working environment, it also makes maintenance and inspection of control equipment difficult.
- the patent document illustrated in the patent document discloses pull-out technology of tie bars in a mold clamping device, but in any case, it is assumed that the structure of pull-out of tie bars from the fixed platen side to the rear of movable platen at the time of mold replacement. Since this system is adopted, when installing the above-mentioned mold clamping device in the factory, it is necessary to provide a room for a large enough space for retraction at the back of the movable plate.
- the present invention does not require a large tie bar evacuation space or a large drawing device even when the mold clamping device is enlarged when drawing a tie bar at the time of mold replacement, and the drawing operation is performed.
- An object of the present invention is to provide a clamping device that can be performed easily and easily.
- the second engagement means for engaging with the engagement portion formed on the fixed plate side end of the tie bar is detachably provided at the end of the mold clamping piston by using the attachment / detachment locking means,
- pressing means for pressing the movable disc after mold closing to the fixed disc is provided in the tie bar insertion hole of the fixed disc, and
- a tie bar extraction means connected to the fixed plate side end of the tie bar is provided on the side opposite to the die mounting surface of the fixed plate.
- a tie bar reverse cutting and clamping device characterized by (2) The engaging portion formed at the movable plate side end of the tie bar is a groove forming portion, and the first engaging means is a split nut means.
- the engaging portion formed on the fixed disc side end of the tie bar is a spiral groove forming portion, and the second engaging means is a fixing nut means.
- the tie bar reverse extraction clamping device according to any one of (3).
- any one of the above (1) to (5) is characterized in that the pressing plate moving means is provided with driving means comprising a horseshoe-shaped liner 1, a liner guide, and a fluid cylinder.
- driving means comprising a horseshoe-shaped liner 1, a liner guide, and a fluid cylinder.
- the tie bar reverse punching clamp device described in.
- the tie bar inserting / removing means includes a winding drive device consisting of a chain and a sprocket, an electric motor, and a controller for the extraction speed.
- a winding drive device consisting of a chain and a sprocket, an electric motor, and a controller for the extraction speed.
- the tie bar reverse cutting clamping device according to any one of the above.
- the tie bar can be pulled out easily and easily in the direction from the movable plate to the fixed plate (the opposite side of the mold mounting surface), contrary to the conventional clamping device, the arrangement space It is possible to increase the degree of utilization of the mold and carry out the mold replacement operation quickly and safely.
- FIG. 1 is a view showing an aspect of a conventional mold clamping apparatus.
- FIG. 2 is a view showing an aspect of the mold clamping device of the present invention.
- FIG. 3 is a view showing an aspect of tie bar drawing operation in the mold clamping device of the present invention.
- A shows the state in which the mold is open.
- B shows a state where the end of the piston and the fixed nut device are disconnected.
- c shows the state where pulling out of the tie bar is started.
- D shows the state where the withdrawal of the evening bar is completed.
- FIG. 2 shows an embodiment of a mold clamping device (hereinafter, simply referred to as “the present invention”) of the present invention.
- the present invention a mold clamping device of the present invention.
- the same components as those of the mold clamping device shown in FIG. 1 are indicated by the same numerals as those shown in FIG.
- a fixed platen 2 for supporting a fixed mold 3 is fixed to the end of the base plate 1, and a movable platen 4 for supporting a movable mold 5 on the base plate 1 is a movable platen support member 6a. It is arranged to be able to advance and retract with respect to the fixed board 2 via
- an extrusion device 29 for taking out a structure or a molded product from the movable mold 5 is attached, and to the lower end of the movable plate 4, the movable plate 4 is mounted.
- a mold opening and closing device 24 is attached which moves the mold back and forth with respect to the fixed board 2.
- FIG. 2 shows the mold clamping device in the state where the mold is opened.
- the fixed platen 2 is provided with an injection sleeve 30a connected to the fixed mold 3, and with the mold closed, the molten metal is injected by the injection device 30, and the injection sleeve 30a is passed through the gold. Press into the mold.
- Tie-bar through holes 7, 8 are formed at the four corners of the fixed plate 2 and the movable plate 4, respectively, and the through holes 10 are inserted through the through holes 7, 8, respectively.
- the tie bars in the movable plate 3 through holes 7 and 8 are tie bars A cover 10a is connected, and a tiebar support 10b supporting an outer cover 10a is disposed outside the lower tie bar hole 8 on the lower side.
- the split nut device 2 2 (connected to the tie bar through holes 7 and 8 in the middle part) is closer to the end on the movable platen side and in the lower tie bar 10
- Engaging portions (1 0 x, 1 0 y force ⁇ ) engaged with the split nuts of the first engaging means) are respectively formed.
- the engaging portions 10 x and 10 y are formed with groove grooves that engage with the split nut.
- the fixed plate side end of the tie bar 10 is provided with an engaging portion 10 z in which a spiral groove is formed to be engaged with the nut of the fixing nut device 2 3 (second engaging means).
- a clamping cylinder 2 5 (pressing means) including pistons 2 7 and oil chambers 2 8 and 2 9 is disposed in the tie bar insertion holes 7 and 8 of the fixing plate 2, and a fixing nut device 2 is disposed.
- 3 (2nd engagement means)
- the attachment / detachment member comprising the pressure plate moving device 3 3 (pressure plate moving means) and the pressure plate 32 which is moved by driving the pressure plate movement device 3 (vertical movement in the figure). It is detachably connected to the end of the piston 2 7 of the upper mold clamping cylinder 2 5 (pressing means) by means of the stopping means.
- the hydraulic unit (not shown) is controlled by the power unit 3 1 to supply oil to the oil chamber 2 8 and discharge oil from the oil chamber 2 9 to drive the piston 2 7. Do.
- the presser plate moving device 3 3 (presser plate moving means) holds the presser plate 32 in a position where it holds the connection between the fixing nut device 2 3 and the end of the piston 2 7 when clamping. Also, when pulling out the tie bar, it moves the presser plate 32 (lifts up in the figure), and functions to release the connection between the fixing nut device 2 3 and the end of piston 27.
- the presser plate moving device 33 can be constituted by mechanical means such as a horseshoe-type liner, a liner single guide, and a fluid cylinder, in order to realize the above-mentioned function. It may be configured by means or may be configured by electrical means. The means for achieving the above-described function of the presser plate moving device 33 is not limited to any specific mechanical means or electrical means.
- the tie bar removed from the end of the stationary plate on the side of the mold plate 10 is on the side where the injection device 30 is installed (non-die mounting surface side). Insertion device 3 4 (tie bar extraction means) is installed.
- the mold clamping device shown in FIG. 2 has a structure in which the tie bar 10 is pulled out to the side (non-mold mounting surface side) on which the injection device 30 is installed, in the opposite direction to the tie bar drawing direction in the conventional mold clamping device. Is adopted. This point is a feature of the present invention.
- FIG. 2 shows a tie bar removing device provided with a winding drive composed of a chain and a sprocket
- the evening remover comprises another driving device such as a timing belt and a pulley. It may be equipped with a winding drive, a motor or means for directly driving the tie bar with a fluid (pressure) cylinder.
- having an electric motor and a control device for controlling the pulling speed in the evening pull-out device automates and accelerates the pulling operation of the tie bar. It is preferable in that
- the tie bar removing device is disposed along the mold closing direction (that is, the pull-out direction of the tie bar) on the side opposite to the mold mounting surface.
- the mold closing direction that is, the pull-out direction of the tie bar
- the tie bar is pulled out to the side opposite to the die mounting surface in the opposite direction to the pulling direction in the conventional mold clamping device, and it is only necessary to realize this drawing.
- the arrangement of the elements does not necessarily have to follow the mold closing direction (ie, the tie bar pull-out direction).
- the arrangement position of the tie bar extraction device may be determined in consideration of the arrangement of the injection device and peripheral devices, the extraction mechanism of the tie bar extraction device, and the like.
- the split nut moving device 1 9 is driven to release the engagement of the groove 1 10 by the split nut device 2 2 with the engaging portion 1 Ox. 4 is pulled away from fixed plate 2 and the mold (not shown) is opened. In order to change the mold, start pulling out the tie bar from this state.
- Fig. 3 (d) shows the state where pulling out of the tie bar 10 and separation of the movable plate 4 from the fixed plate 2 are completed.
- the conventional clamping device is used. Unlike in the case of installation, there is no need to provide a space for retraction of the mover in the outer space of the movable plate.
- the space behind the movable platen of the clamping device can be effectively used for any application. It goes without saying that replacement or replaced molds and equipment for mold replacement may be placed in the above space.
- the reverse operation of pull-out operation of the tie bar is performed to insert the tie bar into the tie bar insertion holes of the movable platen and the fixed platen.
- the pull-out / insertion operation of the tie bar can be performed quickly in the space occupied by the clamp device including peripheral equipment, so the safety of the pull-out / insertion operation of the tie bar is achieved. While securing the mold Speeding up and safety of replacement work can be achieved.
- the tie bar can be easily and easily pulled out in the direction from the movable plate to the fixed plate (anti-mold mounting surface side) contrary to the conventional mold clamping device.
- the present invention is highly likely to be employed in a newly installed die casting machine or a clamping device such as an injection molding machine.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800195563A CN101454137B (zh) | 2006-06-19 | 2007-06-07 | 拉杆逆向拉制合模装置 |
US12/305,012 US8137093B2 (en) | 2006-06-19 | 2007-06-07 | Tiebar reverse extraction clamp |
DE112007001463T DE112007001463T5 (de) | 2006-06-19 | 2007-06-07 | Zugstangen-Reverszug-Formklemmvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006169174A JP4229953B2 (ja) | 2006-06-19 | 2006-06-19 | タイバー逆抜き型締装置 |
JP2006-169174 | 2006-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007148591A1 true WO2007148591A1 (ja) | 2007-12-27 |
Family
ID=38833333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/061955 WO2007148591A1 (ja) | 2006-06-19 | 2007-06-07 | タイバー逆抜き型締装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8137093B2 (ja) |
JP (1) | JP4229953B2 (ja) |
CN (1) | CN101454137B (ja) |
DE (1) | DE112007001463T5 (ja) |
WO (1) | WO2007148591A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007331332A (ja) * | 2006-06-19 | 2007-12-27 | Ube Machinery Corporation Ltd | タイバー逆抜き型締装置 |
JP2008018617A (ja) * | 2006-07-13 | 2008-01-31 | Ube Machinery Corporation Ltd | タイバー逆抜き型締装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009020376B3 (de) * | 2009-05-08 | 2010-10-14 | Wittmann Battenfeld Gmbh | Spritzgießmaschine und Verfahren zum Betreiben einer solchen |
JP5598959B2 (ja) * | 2010-03-30 | 2014-10-01 | 東洋機械金属株式会社 | 成形機におけるタイバーの移動位置検出方法 |
CN103507238B (zh) * | 2012-06-19 | 2015-11-25 | 震雄资产管理有限公司 | 二板式注塑机锁模机构和二板式注塑机 |
EP2792465B1 (de) * | 2013-04-17 | 2015-11-18 | Bühler AG | Säulenauszugsvorrichtung |
JP6345507B2 (ja) * | 2014-06-27 | 2018-06-20 | 東芝機械株式会社 | 開閉装置及び成形装置 |
JP6396203B2 (ja) | 2014-12-25 | 2018-09-26 | 東芝機械株式会社 | 型締装置及び成形装置 |
KR102159775B1 (ko) * | 2015-12-30 | 2020-09-25 | 엘에스엠트론 주식회사 | 타이 바의 분리를 위한 사출 성형기의 형체 장치 |
CN108340543A (zh) * | 2018-02-07 | 2018-07-31 | 欧任伍 | 二板式锁模机构的自动抽拉式拉杆 |
CN110434312A (zh) * | 2019-09-19 | 2019-11-12 | 马鞍山中千环保科技有限公司 | 一种用于压铸机的拉杆抽出装置 |
CN115071037A (zh) * | 2021-03-16 | 2022-09-20 | 株式会社日本制钢所 | 成形装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0872113A (ja) * | 1994-09-09 | 1996-03-19 | Mitsubishi Heavy Ind Ltd | 型締装置におけるタイバー抜取り装置 |
JPH08117959A (ja) * | 1994-10-21 | 1996-05-14 | Ube Ind Ltd | ダイカストマシンの型締装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US3465387A (en) * | 1967-06-12 | 1969-09-09 | Improved Machinery Inc | Two-stage clamping machine |
US3882588A (en) * | 1973-05-14 | 1975-05-13 | Beloit Corp | Method for handling tie rods on an injection molding machine |
US3951579A (en) * | 1974-05-08 | 1976-04-20 | Koehring Company | Apparatus for facilitating access to the mold halves of a molding machine |
US4025264A (en) * | 1974-12-13 | 1977-05-24 | Karl Hehl | Die closing unit with retractable tie rods |
US5417913A (en) * | 1993-11-29 | 1995-05-23 | Arend; Donald P. | Injection molding system with removable tie rods |
JPH0957803A (ja) | 1995-08-24 | 1997-03-04 | Meiki Co Ltd | タイバーの抜取り機構を備えた成形装置 |
JP3201712B2 (ja) | 1995-08-28 | 2001-08-27 | 松下電工株式会社 | コンピュータシミュレーションによる成形金型の温度調整配管仕様決定方法 |
JP3822755B2 (ja) | 1998-08-05 | 2006-09-20 | 株式会社日本製鋼所 | タイバー引き抜き方法及びトグル式型締装置 |
US6120722A (en) * | 1998-08-07 | 2000-09-19 | Husky Injection Molding Systems Ltd. | Tiebar removal method and apparatus |
US20030217829A1 (en) * | 2002-05-21 | 2003-11-27 | Baron Frank D.R. | Clamping assembly for two platen die cast machine |
US20040247740A1 (en) * | 2003-05-01 | 2004-12-09 | Toshiba Kikai Kabushiki Kaisha | Mold clamping apparatus |
JP4254495B2 (ja) * | 2003-11-13 | 2009-04-15 | 宇部興産機械株式会社 | 型締装置および成形方法 |
JP4126656B2 (ja) | 2003-11-13 | 2008-07-30 | 宇部興産機械株式会社 | 型締装置およびタイバー抜き方法 |
JP4489509B2 (ja) * | 2004-06-17 | 2010-06-23 | 東芝機械株式会社 | 型締装置 |
JP4794906B2 (ja) * | 2005-05-20 | 2011-10-19 | 東芝機械株式会社 | 型締装置及び成形機 |
JP4804845B2 (ja) * | 2005-09-14 | 2011-11-02 | 東芝機械株式会社 | 型締装置 |
-
2006
- 2006-06-19 JP JP2006169174A patent/JP4229953B2/ja active Active
-
2007
- 2007-06-07 WO PCT/JP2007/061955 patent/WO2007148591A1/ja active Application Filing
- 2007-06-07 US US12/305,012 patent/US8137093B2/en active Active
- 2007-06-07 DE DE112007001463T patent/DE112007001463T5/de not_active Withdrawn
- 2007-06-07 CN CN2007800195563A patent/CN101454137B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0872113A (ja) * | 1994-09-09 | 1996-03-19 | Mitsubishi Heavy Ind Ltd | 型締装置におけるタイバー抜取り装置 |
JPH08117959A (ja) * | 1994-10-21 | 1996-05-14 | Ube Ind Ltd | ダイカストマシンの型締装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007331332A (ja) * | 2006-06-19 | 2007-12-27 | Ube Machinery Corporation Ltd | タイバー逆抜き型締装置 |
JP2008018617A (ja) * | 2006-07-13 | 2008-01-31 | Ube Machinery Corporation Ltd | タイバー逆抜き型締装置 |
Also Published As
Publication number | Publication date |
---|---|
US8137093B2 (en) | 2012-03-20 |
DE112007001463T5 (de) | 2009-05-07 |
CN101454137B (zh) | 2011-12-14 |
US20090202670A1 (en) | 2009-08-13 |
CN101454137A (zh) | 2009-06-10 |
JP4229953B2 (ja) | 2009-02-25 |
JP2007331348A (ja) | 2007-12-27 |
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