JP2005305502A5 - - Google Patents
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- JP2005305502A5 JP2005305502A5 JP2004125529A JP2004125529A JP2005305502A5 JP 2005305502 A5 JP2005305502 A5 JP 2005305502A5 JP 2004125529 A JP2004125529 A JP 2004125529A JP 2004125529 A JP2004125529 A JP 2004125529A JP 2005305502 A5 JP2005305502 A5 JP 2005305502A5
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- JP
- Japan
- Prior art keywords
- sand
- casting
- compressed air
- molding spaces
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (6)
前記砂吹込み口が上方になるように前記上・下造型空間を垂直状態にするとともに前記砂吹込み口を前記砂吹込み機構の下端に当接する工程と、
前記砂吹込み機構の砂浮遊動化手段から圧力0.05〜0.18MPaの第1圧縮空気を噴出して前記砂吹込み機構の下部の鋳物砂を浮遊動化させる工程と、
前記砂吹込み機構における前記鋳物砂の上方位置に第2圧縮空気を供給して前記鋳物砂を加圧し前記上・下造型空間内に吹き込む工程と、
を含むことを特徴とする鋳物砂の充填方法。 The upper and lower casting frames each having a sand blowing port on the side wall, the match plate disposed between the upper and lower casting frames, and the respective openings of the upper and lower casting frames without the match plate The sand blowing port of the upper and lower casting frames is formed by a sand blowing mechanism having sand floating movement means in upper and lower molding spaces defined by upper and lower squeezing means having a plurality of possible squeeze feet. A method of blowing and filling foundry sand,
Bringing the upper and lower molding spaces into a vertical state so that the sand blowing port is upward, and abutting the sand blowing port with a lower end of the sand blowing mechanism;
A step of jetting first compressed air having a pressure of 0.05 to 0.18 MPa from the sand floating mobilization means of the sand blowing mechanism to float the casting sand below the sand blowing mechanism;
Supplying the second compressed air to a position above the foundry sand in the sand blowing mechanism to pressurize the foundry sand and blow it into the upper and lower molding spaces;
A method for filling foundry sand, comprising:
前記鋳物砂を前記上・下造型空間内に吹き込む際に、前記上・下鋳枠の側壁からの排気を制御することを特徴とする鋳物砂の充填方法。 In the casting sand filling method according to claim 1,
A casting sand filling method, characterized in that when the casting sand is blown into the upper and lower molding spaces, exhaust from the side walls of the upper and lower casting frames is controlled.
前記第2圧縮空気の圧力が0.05〜0.18MPaであることを特徴とする鋳物砂の充填方法。 In the filling method of the foundry sand according to claim 1 or 2,
The casting sand filling method, wherein the pressure of the second compressed air is 0.05 to 0.18 MPa.
前記第1圧縮空気の圧力を前記第2圧縮空気の圧力より高く維持しかつこれらの圧縮空気の圧力を時間の経過とともに段階的に上昇させながら、前記第1・第2圧縮空気を前記砂吹込み機構に供給し、前記砂吹込み機構における前記鋳物砂の上方位置の圧力が目標値になった後は、前記第1圧縮空気の圧力を前記第2圧縮空気の圧力より高く維持しながら前記砂吹込み機構から排気することを特徴とする鋳物砂の充填方法。 In the filling method of the foundry sand according to any one of claims 1 to 3,
While maintaining the pressure of the first compressed air higher than the pressure of the second compressed air and increasing the pressure of these compressed air stepwise over time, the first and second compressed air are blown into the sandblast. After the pressure of the upper position of the foundry sand in the sand blowing mechanism reaches a target value, the pressure of the first compressed air is maintained higher than the pressure of the second compressed air. A casting sand filling method, characterized by exhausting from a sand blowing mechanism.
マッチプレートにはベントホールを、また上・下鋳枠には弁機構によって開閉される排気孔をそれぞれ設けて、
上・下造型空間内への鋳物砂吹込み工程の初期段階では弁機構の作動によって上・下鋳枠の排気孔を閉じてマッチプレートのベントホールから圧縮空気を排出させることにより、このベントホールの部分に鋳物砂を密に充填させ、上・下造型空間内への鋳物砂吹込み工程の終期段階では、弁機構の作動によって上・下鋳枠の排気孔を開いて上・下造型空間内の圧縮空気を上・下鋳枠の排気孔から排出して、上・下造型空間内の上部にも鋳物砂を密に充填させるとともに上・下造型空間内の圧縮空気の排出を促進することを特徴とする鋳物砂の充填方法。 In the filling method of the foundry sand according to any one of claims 1 to 4,
The match plate has a vent hole, and the upper and lower casting frames have exhaust holes that are opened and closed by a valve mechanism.
In the initial stage of the casting sand blowing process into the upper and lower molding spaces, the vent holes are closed by closing the exhaust holes of the upper and lower casting frames and discharging the compressed air from the vent holes of the match plate by operating the valve mechanism. In the final stage of the casting sand injection process into the upper and lower molding spaces, the upper and lower molding spaces are opened by opening the exhaust holes of the upper and lower casting frames by operating the valve mechanism. The compressed air inside is discharged from the exhaust holes of the upper and lower casting frames, and the upper parts of the upper and lower molding spaces are filled with casting sand closely, and the discharge of compressed air in the upper and lower molding spaces is promoted. A casting sand filling method characterized by the above.
前記上・下造型空間に鋳物砂を可及的にして充分に充填すべく、造型した鋳型の高さの測定結果に基づき、前記上・下造型空間の容積に対応させて、
前記砂吹込み機構に対する前記第1圧縮空気および前記第2圧縮空気の圧力と供給時間をそれぞれ調整することを特徴とする鋳物砂の充填方法。 In the casting sand filling method according to any one of claims 1 to 5,
To fill the upper and lower molding spaces with casting sand as much as possible, based on the measurement result of the height of the molded mold, corresponding to the volume of the upper and lower molding spaces,
A casting sand filling method, wherein the pressure and the supply time of the first compressed air and the second compressed air to the sand blowing mechanism are adjusted.
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004125529A JP4379795B2 (en) | 2004-04-21 | 2004-04-21 | Casting sand filling method |
BRPI0510161-1B1A BRPI0510161B1 (en) | 2004-04-21 | 2005-04-21 | sand mold production method |
DK05734688.4T DK1738847T3 (en) | 2004-04-21 | 2005-04-21 | Process for making a sand mold |
PCT/JP2005/007615 WO2005102561A1 (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing sandmold |
US11/578,772 US7726380B2 (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing sand mold |
CN2008101733057A CN101396722B (en) | 2004-04-21 | 2005-04-21 | Method for filling molding sand |
EP05734688A EP1738847B1 (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing sandmold |
EA200601926A EA009613B1 (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing sandmold |
KR1020067023827A KR100866694B1 (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing sandmold |
CN2005800197216A CN1968771B (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing molding sand |
DE602005023142T DE602005023142D1 (en) | 2004-04-21 | 2005-04-21 | METHOD FOR PRODUCING A SAND FORM |
AT05734688T ATE478745T1 (en) | 2004-04-21 | 2005-04-21 | METHOD FOR MAKING A SAND MOLD |
MXPA06012156A MXPA06012156A (en) | 2004-04-21 | 2005-04-21 | Method for manufacturing sandmold. |
US12/662,283 US20110024071A1 (en) | 2004-04-21 | 2010-04-08 | Method of producing sand mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004125529A JP4379795B2 (en) | 2004-04-21 | 2004-04-21 | Casting sand filling method |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005305502A JP2005305502A (en) | 2005-11-04 |
JP2005305502A5 true JP2005305502A5 (en) | 2006-07-13 |
JP4379795B2 JP4379795B2 (en) | 2009-12-09 |
Family
ID=35434857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004125529A Expired - Fee Related JP4379795B2 (en) | 2004-04-21 | 2004-04-21 | Casting sand filling method |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4379795B2 (en) |
CN (2) | CN1968771B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4572847B2 (en) * | 2006-03-08 | 2010-11-04 | マツダ株式会社 | Mold making equipment |
WO2011142049A1 (en) * | 2010-05-13 | 2011-11-17 | 新東工業株式会社 | Mold molding device and mold molding method |
JP6042594B2 (en) * | 2010-11-26 | 2016-12-14 | 新東工業株式会社 | Raw mold making method |
WO2012165181A1 (en) | 2011-06-03 | 2012-12-06 | 新東工業株式会社 | Core sand filling device and core sand filling method in core making machine |
US9533345B2 (en) | 2012-05-23 | 2017-01-03 | Sintokogio, Ltd. | Core-molding device, and core-molding method |
JP5884904B2 (en) * | 2012-05-25 | 2016-03-15 | 新東工業株式会社 | Core sand filling method |
CN108290209B (en) * | 2016-02-10 | 2020-08-28 | 新东工业株式会社 | Casting mold molding machine |
JP6601508B2 (en) * | 2016-02-10 | 2019-11-06 | 新東工業株式会社 | Mold making machine, sand filling compression unit and mold making method |
KR20190027777A (en) * | 2016-07-20 | 2019-03-15 | 신토고교 가부시키가이샤 | Molding method |
CN114713777B (en) * | 2022-04-15 | 2024-03-15 | 苏州明志科技股份有限公司 | Core shooting device of ultra-large core shooter and control method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE509715T1 (en) * | 1999-11-04 | 2011-06-15 | Sintokogio Ltd | MOLDING APPARATUS AND METHOD FOR SAND MOLDS |
EP1184106B1 (en) * | 2000-02-17 | 2013-07-17 | Sintokogio, Ltd. | Method and device for filling casting sand |
US6749003B2 (en) * | 2000-04-13 | 2004-06-15 | Sintokogio, Ltd. | Compressing method for casting sand and device therefor |
WO2001081025A1 (en) * | 2000-04-21 | 2001-11-01 | Sintokogio, Ltd. | Die molding machine and pattern carrier |
CN1310718C (en) * | 2001-03-16 | 2007-04-18 | 新东工业株式会社 | Method and device for compacting molding sand |
JP4203840B2 (en) * | 2001-05-29 | 2009-01-07 | 新東工業株式会社 | Casting sand filling method and apparatus in frameless horizontal split mold making machine |
-
2004
- 2004-04-21 JP JP2004125529A patent/JP4379795B2/en not_active Expired - Fee Related
-
2005
- 2005-04-21 CN CN2005800197216A patent/CN1968771B/en active Active
- 2005-04-21 CN CN2008101733057A patent/CN101396722B/en active Active
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