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1. 发明专利

JP2007152368A Method for reutilizing casting sand and water soluble inorganic salt binder, and core molding device for reutilizing casting sand and water soluble inorganic salt binder 有权
标题翻译：用于回收铸造砂和水溶性无机盐粘合剂的方法以及用于回收铸造砂和水溶性无机盐粘结剂的芯模设备
公开(公告)号：JP2007152368A
公开(公告)日：2007-06-21
申请号：JP2005348201
申请日：2005-12-01
申请人： Sanei Shirika:Kk , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社三栄シリカ
发明人： TOMISHIGE HIROMI , KITAZAWA SADAO , AWANO YOJI , HARA MIKI
IPC分类号： B22C5/00 , B22C5/18 , B22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a method where slurry composed of casting sand, a water soluble inorganic salt binder and water after use is almost directly utilized, so as to be recycled, thus a water soluble core is made into the one having further practicality and excellent environmental properties.
SOLUTION: In the core molding device, slurry-shaped casting sand composed of casting sand and a water-soluble inorganic salt binder is recovered from a casting using a water soluble core in which the surface of each casting sand grain is coated with the water soluble inorganic salt binder, so as to be reutilized. The device is composed of: a slurry box (A); and a casting die (B). The slurry box (A) comprises: a stop valve 6 for slurry charge connected with an insertion port for slurry-shaped casting sand in a casting die; an air valve 3 for slurry fluidization of blowing air for slurry fluidization into the slurry-shaped casting sand in the slurry box; an air release valve 4 for slurry fluidization of exhausting the air for slurry fluidization; and an air blowing valve 5 for charge of charging the slurry-shaped casting sand in the slurry box to a cavity in the casting die. In the casting die (B), the inside is provided with: a cavity 8; and an exhaust vent 9 for exhausting the inside of the cavity 8.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种方法，其中由浇砂，水溶性无机盐粘合剂和使用后的水组成的浆料几乎被直接利用，以便再循环，从而将水溶性芯制成一个具有进一步的实用性和优异的环境性能。解决方案：在芯成型装置中，使用水溶性芯从浇铸砂和水溶性无机盐粘合剂组成的浆状铸造砂回收，其中每个铸砂颗粒的表面被涂覆有水溶性芯水溶性无机盐粘合剂，以便再利用。该装置由浆料箱（A）组成; 和铸模（B）。浆料箱（A）包括：用于在铸造模具中与用于淤浆型铸砂的插入口连接的浆料充填的截止阀6; 用于将浆料流化的吹送空气浆液流化到浆料箱中的浆状铸造砂中的空气阀3; 用于对用于浆料流化的空气进行浆液流化的排气阀4; 以及用于将浆料箱中的浆状铸砂充填到铸模中的空腔的吹气阀5。在铸模（B）中，内部设有：腔8; 以及用于排出空腔8内部的排气口9.版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2008149360A Method, system and program for reusing water-soluble core 有权
标题翻译：回收水溶芯的方法，系统和程序
公开(公告)号：JP2008149360A
公开(公告)日：2008-07-03
申请号：JP2006341825
申请日：2006-12-19
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TOMISHIGE HIROMI , KITAZAWA SADAO , AWANO YOJI
IPC分类号： B22C5/00 , B22C1/00 , B22C5/04 , B22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a method, system and program for reusing a water-soluble core by which the concentration of mixing sand (slurry) to be fed to a core die of a molding machine can be adjusted simply and highly precisely in a short time without using any centrifugal separator.
SOLUTION: In adjusting the blending ratio of cast sand and inorganic salt solution of a slurry containing inorganic salt, fine inorganic powder and cast sand which are settled and collected when a water-soluble core is washed with water or water solution of an inorganic salt binder, the target density ρ of the slurry for obtaining the predetermined blending ratio is determined from the blending ratio of cast sand and inorganic salt solution and the density. The removing amount x of the inorganic salt solution to be removed from the slurry in order to set the density ρ
0 of the slurry to be the target density ρ is obtained, and the inorganic salt solution of the removing amount x is removed from the slurry.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于再利用水溶性芯的方法，系统和程序，通过该方法，系统和程序可以简单高度地调节要供给到成型机的芯模的混合砂（浆料）的浓度精确地在短时间内不使用任何离心分离器。解决方案：在调整含有无机盐，细无机粉末和铸砂的铸砂和无机盐溶液的混合比例时，当水溶性核心用水或水溶液无机盐粘合剂，用于获得预定混合比例的浆料的目标密度ρ由铸砂和无机盐溶液的混合比和密度确定。为了将浆料的密度ρ 0 设定为目标密度ρ，从浆料中除去的无机盐溶液的除去量x被获得，除去的无机盐溶液从浆料中除去量x。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005059081A High strength water-soluble core and its manufacturing method 有权
标题翻译：高强度水溶性芯及其制造方法
公开(公告)号：JP2005059081A
公开(公告)日：2005-03-10
申请号：JP2003295362
申请日：2003-08-19
申请人： Sanei Shirika:Kk , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社三栄シリカ
发明人： TOMISHIGE HIROMI , AWANO YOJI , JO GINKA , HARA MIKI
IPC分类号： B22D29/00 , B22C1/00 , B22C1/02 , B22C1/10 , B22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble core combining high temperature strength with the water solubility giving an indication of the easiness of shaking-out of the molding sand.
SOLUTION: The water-soluble core coated with the water-soluble inorganic binder on the surface of the molding sand grain, is characterized in that one or more kinds of the inorganic filler selected from among silica sand, alumina, potassium titanate, silicon carbide, zircon silicate, fibrous potassium titanate, titanium oxide, zinc oxide, iron oxide and magnesium oxide, are added to a water-soluble inorganic salt binder.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种结合高温强度的水溶性芯与水溶性，表明容易摇摆型砂的迹象。解决方案：在型砂粒表面涂覆有水溶性无机粘合剂的水溶性芯的特征在于，选自硅砂，氧化铝，钛酸钾，将碳化硅，硅酸锆，纤维状钛酸钾，氧化钛，氧化锌，氧化铁和氧化镁加入到水溶性无机盐粘合剂中。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2007030027A Method for forming water soluble core, and method for casting aluminum alloy 审中-公开
标题翻译：形成水溶性芯的方法，以及铸铝合金的方法
公开(公告)号：JP2007030027A
公开(公告)日：2007-02-08
申请号：JP2005220406
申请日：2005-07-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KITAZAWA SADAO , TOMISHIGE HIROMI , AWANO YOJI
IPC分类号： B22C9/10 , B22C1/10 , B22C13/12 , B22D21/04
摘要： PROBLEM TO BE SOLVED: To make a water soluble core practical by providing a method for manufacturing a hollow core using a water soluble core having excellent flow-ability, fill-ability, and improved strength even with wet sand charged with slurry, and further by providing a method for making the core with a short time cycle.
SOLUTION: The method for manufacturing a sand core by mixing casting sand with a water soluble binder so as to become slurry, and next by supplying the slurry into a die, and then by drying and forming the supplied slurry into the sand core comprises a step (a first step) for supplying the slurry state casting sand into the die under pressure, a step (a second step) for drying and solidifying the slurry state casting sand existing in the neighborhood of the wall of the die by heating the die, and also for making wet sand by discharging moisture from the slurry state casting sand by carrying out pressurized blowing for the inside of the die, and further for discharging the un-solidified sand existing in the central portion of the die by carrying out pressurized blowing, and a step (a third step) for drying and forming the casting sand by carrying out hot air blowing.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题为了使水溶性核实现通过提供一种使用具有优异的流动性，填充性和提高的强度的水溶性芯的制造中空芯的方法，即使使用装有浆料的湿砂，并且进一步通过提供一种用于制造具有短时间周期的芯的方法。解决方案：通过将铸砂与水溶性粘合剂混合以制成浆料，然后通过将浆料供应到模具中，然后通过将供应的浆料干燥并形成砂芯来制造砂芯的方法包括用于在压力下将浆状态铸砂供给到模具中的步骤（第一步骤），通过加热将模具壁附近存在的浆状态铸造砂干燥和固化的步骤（第二步骤）模具，并且还通过对模具内部进行加压吹送从浆料状态的铸砂中排出湿气，并且还用于通过进行加压的方式排出存在于模具的中心部分中的未固化的砂来制造湿砂吹送和通过进行热空气吹送来干燥和形成铸砂的步骤（第三步骤）。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006175510A Method and device for molding water-soluble core 有权
标题翻译：用于模制水溶性芯的方法和装置
公开(公告)号：JP2006175510A
公开(公告)日：2006-07-06
申请号：JP2004374082
申请日：2004-12-24
申请人： Sanei Shirika:Kk , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社三栄シリカ
发明人： TOMISHIGE HIROMI , KITAZAWA SADAO , AWANO YOJI , HARA MIKI
IPC分类号： B22C9/10 , B22C1/02 , B22C1/20 , B22C9/12 , B22C13/16 , B22C15/23
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for molding a water-soluble core excellent in flowability and filling property, and having an improved strength. SOLUTION: In a method for molding a casting-sand core, slurry is made by mixing casting sands with a water-soluble binder, a mold is filled with the slurry, and then the slurry filled into the mold is dried to be molded. When filling the mold with the slurry, (a) the inside of the mold cavity is decompressed, and/or (b) the slurry is pressurized and filled into the mold. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种成型流动性和填充性优异的水溶性核心成型方法和装置，其强度提高。解决方案：在铸砂芯的成型方法中，通过将浇注砂与水溶性粘合剂混合制成浆料，用模具填充浆料，然后将填充到模具中的浆料干燥成成型。当用浆料填充模具时，（a）模腔的内部被减压，和/或（b）将浆料加压并填充到模具中。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004141893A Die-casting metallic mold 审中-公开
标题翻译： DIE铸造金属模具
公开(公告)号：JP2004141893A
公开(公告)日：2004-05-20
申请号：JP2002306989
申请日：2002-10-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： OKADA YUJI , AWANO YOJI
IPC分类号： B22D17/22 , B22C9/06 , B22C9/08 , B22D17/20 , B22D17/30
摘要： PROBLEM TO BE SOLVED: To provide a die-casting metallic mold by which solidified pieces heaped in front of a sleeve is more surely prevented from invading a cavity from a runner when a plunger advances in a die-casting metallic mold. SOLUTION: The die-casting metallic mold contains a fixed mold 10 having a first mold face 11, a mobile mold 20 which has a second mold face 21 and partitions the runner 27 and the cavity 28 in collaboration with the fixed mold at the time of approaching, a sleeve 14 which is attached to the fixed mold and is opened in the first mold face below the cavity and a plunger 16 which is inserted in the sleeve and which pushes out and charges molten metal into the cavity via the runner. A recessed part 25 which is recessed in a molten metal pushing out direction so as to catch the solidified piece 31 is formed at a prescribed position on the second mold face 21. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种压铸金属模具，当柱塞在压铸金属模具中前进时，可以更可靠地防止在套筒前面堆积的固化块从浇道侵入腔中的压铸金属模具。解决方案：压铸金属模具包括具有第一模具面11的固定模具10，具有第二模具面21的活动模具20，并且与固定模具协作地分隔浇道27和模腔28 接近的时间，连接到固定模具并且在空腔下面的第一模具面中打开的套筒14和插入套筒中的推杆16，其推动并且通过转轮将熔融金属装入空腔中。在第二模具面21上的规定位置处形成有凹入熔融金属推出方向以便卡住凝固件31的凹部25.（C）2004，JPO

7. 发明专利

JP2007030028A Method and apparatus for forming water soluble core 审中-公开
标题翻译：形成水溶性核的方法和装置
公开(公告)号：JP2007030028A
公开(公告)日：2007-02-08
申请号：JP2005220585
申请日：2005-07-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KITAZAWA SADAO , TOMISHIGE HIROMI , AWANO YOJI
IPC分类号： B22C9/10 , B22C1/10 , B22C13/12 , B22D21/04
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for forming a water soluble core having excellent flow-ability, fill-ability, and improved strength with a short time cycle.
SOLUTION: The method for forming a sand core by mixing casting sand with a water soluble binder so as to become slurry, and next by supplying the slurry into a die, and then by drying and forming the supplied slurry into the sand core comprises a step (a first step) for supplying the slurry state casting sand into the die from below under pressure, a step (a second step) for removing excessive moisture by turning-over the die filled with the slurry state casting sand, and then by blowing the inside of the die from above under pressure, and a step (a third step) for drying and forming the casting sand.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在短时间周期内形成具有优异的流动性，填充能力和改善的强度的水溶性核心的方法和装置。解决方案：通过将铸砂与水溶性粘合剂混合以形成浆料形成砂芯的方法，接下来通过将浆料供入模具中，然后通过干燥并将供应的浆料形成砂芯包括用于在压力下将浆状态铸砂从下方供给到模具中的步骤（第一步骤），用于通过翻转填充有浆状态铸砂的模具来去除多余的水分的步骤（第二步骤），然后通过在压力下从上方吹入模具内部，以及用于干燥和形成铸砂的步骤（第三步骤）。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006061948A Method for making water soluble core 审中-公开
标题翻译：制造水溶性核的方法
公开(公告)号：JP2006061948A
公开(公告)日：2006-03-09
申请号：JP2004247777
申请日：2004-08-27
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KITAZAWA SADAO , TOMISHIGE HIROMI , AWANO YOJI , HARA MIKI
IPC分类号： B22C9/10 , B22C1/00 , B22C1/10 , B22C5/00 , B22C5/04 , B22C9/12
摘要： PROBLEM TO BE SOLVED: To provide a method for making a water soluble core which is excellent in the flowability, fillability, and strength.
SOLUTION: The method for making a casting sand core includes a process for adding a small quantity of a water soluble binder to casting sand, and kneading the mixed sand, and then filling the mixed sand into a casting mold, a process for injecting a sufficient quantity of the water soluble binder to the filled casting sand, and a process for forming the casting sand by drying it.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供流动性，填充性和强度优异的水溶性芯的制造方法。解决方案：铸造砂芯的制造方法包括向浇注砂中添加少量水溶性粘合剂，捏合混砂，然后将混砂填充到铸模中的工序，向填充的铸砂中注入足够量的水溶性粘合剂，以及通过干燥形成铸砂的方法。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005138141A Method and apparatus for reusing molding sand and water-soluble inorganic salt binder 有权
标题翻译：回收模具和水溶性无机盐结合剂的方法和装置
公开(公告)号：JP2005138141A
公开(公告)日：2005-06-02
申请号：JP2003376705
申请日：2003-11-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KITAZAWA SADAO , SATO TAKUO , TOMISHIGE HIROMI , AWANO YOJI , JO GINKA
IPC分类号： B09B5/00 , B22C1/18 , B22C5/00 , B22C5/02 , B22D29/00
摘要： PROBLEM TO BE SOLVED: To provide a method for almost fully reusing molding sand and water-soluble inorganic salt binder from a water-soluble core, and an apparatus used in this method.
SOLUTION: The apparatus for reusing the molding sand and the water-soluble inorganic salt binder, includes: a sand dropping device 1 for removing the molding sand by using water pressure from a casting using a water-soluble core with the water-soluble inorganic salt binder covered on the surface of the molding sand grain; a device 2 for injecting the water-soluble inorganic binder water solution to this sand-dropping device from the following solution buffering vessel through a circulating pump; a sand depositing vessel 3 which is arranged below the the sand dropping device and stores the removed molding sand and mixture composed of the water-soluble inorganic salt binder and the water, for depositing the molding sand; a solution buffering vessel 4 which communicates with the upper part of the sand depositing vessel and stores the water-soluble inorganic salt binder aqueous solution separated from the molding sand; and a dehydrating device 5 which communicates with the lower part of this sand depositing vessel, dehydrates slurry composed of the molding sand, the water-soluble inorganic salt binder and the water to a prescribed concentration, and sends kneaded sand into a molding machine.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种从水溶性芯中几乎完全重复使用型砂和水溶性无机盐粘合剂的方法以及该方法中使用的装置。解决方案：用于重新使用型砂和水溶性无机盐粘合剂的设备包括：用于通过使用水溶性核心的铸件使用水压来除去型砂的除砂装置1，覆盖在型砂粒表面的可溶性无机盐粘合剂; 用于通过循环泵将水溶性无机粘合剂水溶液从以下溶液缓冲容器注入到该脱墨装置的装置2; 砂沉积容器3，其布置在撒砂装置的下方，并且存储由水溶性无机盐粘合剂和水组成的去除的型砂和混合物，用于沉积型砂; 溶液缓冲容器4，其与砂沉积容器的上部连通并存储与型砂分离的水溶性无机盐粘合剂水溶液; 和与该砂沉积容器的下部连通的脱水装置5，将由型砂，水溶性无机盐粘合剂和水构成的浆料脱水至规定浓度，将捏合砂送入成形机。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005066634A Water-soluble core binder, water-soluble core, and method for manufacturing the same 审中-公开
标题翻译：水溶性核心粘合剂，水溶性芯及其制造方法
公开(公告)号：JP2005066634A
公开(公告)日：2005-03-17
申请号：JP2003298992
申请日：2003-08-22
申请人： Sanei Shirika:Kk , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社三栄シリカ
发明人： TOMISHIGE HIROMI , AWANO YOJI , JO GINKA , HARA MIKI
IPC分类号： B22C1/00 , B22C1/18 , B22C9/10
摘要： PROBLEM TO BE SOLVED: To provide a water-soluble core binder with both sufficient core strength and water-solubility.
SOLUTION: The water-soluble core binder is composed of at least one kind of water-soluble inorganic salt consisting of combination of cations selected from magnesium ions (Mg
2+ ), sodium ions (Na
+ ) and calcium ions (Ca
2+ ) with anions selected from SO
4
2- , CO
3
2- , HCO
3
2- and B
4 O
7
- (except a case of only magnesium sulphate (MgSO
4 )). In particular, the water-soluble core binder is composed of, by weight, 0-99.9% magnesium sulfate (MgSO
4 ), and 100-0.1% at least one kind selected from sodium carbonate (Na
2 CO
3 ), sodium tetraborate (Na
2 B
4 O
7 ) and sodium sulfate (Na
2 SO
4 ).
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供具有足够的芯强度和水溶性的水溶性芯粘合剂。解决方案：水溶性芯粘合剂由至少一种水溶性无机盐组成，它由选自镁离子（Mg 2 + ），钠离子（Na ＆lt; SP＆gt; +＆lt; / SP＆gt;）和具有阴离子的离子（Ca 2 + ）与SO 2 > 3 2 - ，HCO 3 2 - 和B 4 < / SB> - （除了仅硫酸镁（MgSO 4）之外）的情况。特别地，水溶性芯粘合剂由重量比为0-99.9％硫酸镁（MgSO 4）和100〜0.1％选自碳酸钠（Na 2 O 3）的至少一种， SB> 2 3 ），四硼酸钠（Na 2 SBB 2，SB SB 4，SB 7）和硫酸钠（Na 2 SB 3 SO 4）。版权所有（C）2005，JPO＆NCIPI

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