JPH0857628A - Method for pre-treating removal of core in aluminum casting - Google Patents
Method for pre-treating removal of core in aluminum castingInfo
- Publication number
- JPH0857628A JPH0857628A JP21324894A JP21324894A JPH0857628A JP H0857628 A JPH0857628 A JP H0857628A JP 21324894 A JP21324894 A JP 21324894A JP 21324894 A JP21324894 A JP 21324894A JP H0857628 A JPH0857628 A JP H0857628A
- Authority
- JP
- Japan
- Prior art keywords
- casting
- core
- aluminum
- aluminum casting
- robot
- 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.)
- Withdrawn
Links
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車エンジン部品等
のアルミ鋳造品の鋳造後処理工程における中子除去前処
理方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a core removal pretreatment method in a post-casting treatment step of aluminum castings such as automobile engine parts.
【０００２】[0002]
【従来の技術】自動車エンジン部品のシリンダヘッドな
どの複雑形状のアルミ鋳造品は、内部に広がる空隙があ
ることが多いため、一般に金型の内部に中子を設置して
鋳造される。中子は、その一部分を金型に接触させて設
置位置を定めるが、金型と中子の寸法公差の関係から、
金型と中子の合わせ面あるいは中子と中子の合わせ面に
隙間が生じる。例えば、図２に示すように、アルミ鋳造
品６の内部に中子１０を設置して水冷回路を確保する場
合、中子と鋳造金型との合わせ面に注湯が流れ込み、鋳
バリ９が生じる。2. Description of the Related Art Since an aluminum cast product having a complicated shape such as a cylinder head of an automobile engine part often has a void that expands inside, it is generally cast by placing a core inside a mold. The core determines the installation position by contacting a part of it with the mold, but due to the dimensional tolerance of the mold and the core,
There is a gap between the mating surface of the mold and the core or the mating surface of the core. For example, as shown in FIG. 2, when the core 10 is installed inside the aluminum casting 6 to secure the water cooling circuit, the pouring metal flows into the mating surface of the core and the casting die, and the casting burr 9 is generated. Occurs.
【０００３】アルミ鋳造品は鋳造後処理工程において機
械的振動を付与することにより中子を砂状に粉砕し除去
するが、前記鋳バリが中子を内部に閉じ込める状態にな
り、中子砂の排出を著しく阻害する。In an aluminum cast product, the core is crushed and removed into sand by applying mechanical vibration in the post-casting treatment step, but the casting burr is in a state of confining the core inside, and Significantly inhibits excretion.
【０００４】これに対し、中子砂の排出を良好にするた
め、特開昭５７−１７１５６６号公報に記載されている
ように、門型フレームにドリルユニットを設置し、門型
フレーム下部に鋳物を設置する移動自在の定盤を設置し
たドリルを用いて中子砂の排出を阻害する鋳バリを除去
する中子除去前処理方法がある。On the other hand, in order to discharge core sand satisfactorily, as described in Japanese Patent Laid-Open No. 171566/1982, a drill unit is installed in a gate type frame, and a casting is formed below the gate type frame. There is a core removal pretreatment method of removing casting burrs that obstructs the discharge of core sand by using a drill equipped with a movable surface plate.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、前記中
子除去前処理方法においては、鋳物の設置上面の中子砂
の排出を阻害する鋳バリ除去を行った後、鋳物の設置方
向を変えて側面の鋳バリを除去しなければならず、鋳物
の各部位の中子砂の排出を阻害する鋳バリを除去するに
は効率が低いという課題がある。However, in the above-mentioned core removal pretreatment method, after removing the casting burr that obstructs the discharge of the core sand on the upper surface of the installation of the casting, the installation direction of the casting is changed to the side surface. However, there is a problem that the efficiency is low in removing the casting burr that impedes the discharge of the core sand in each part of the casting.
【０００６】本発明の目的は、アルミ鋳造品の各部位に
おける中子砂の排出を阻害する鋳バリを効率よく除去で
きる中子除去前処理方法を提供することである。An object of the present invention is to provide a core removal pretreatment method capable of efficiently removing casting burrs that impede the discharge of core sand at various parts of an aluminum casting.
【０００７】[0007]
【課題を解決するための手段】本発明は、アルミ鋳造品
の中子排出を阻害する鋳バリを除去するアルミ鋳造品の
中子除去前処理方法において、６軸多関節形ロボットで
アルミ鋳造品を把持し、ロボット近傍に設置したスピン
ドル装置に取り付けたドリル工具に該アルミ鋳造品の鋳
バリ部位を押し当てて開孔、粉砕することを特徴とする
アルミ鋳造品の中子除去前処理方法である。なお、ドリ
ル工具としてはダイヤモンド電着ドリルが好適に使用で
きる。SUMMARY OF THE INVENTION The present invention provides a core removal pretreatment method for an aluminum casting product, which removes casting burrs that obstruct the core ejection of the aluminum casting product, by using a 6-axis articulated robot. A core removal pretreatment method for an aluminum cast product, characterized in that the mold is gripped, and a drill tool attached to a spindle device installed near the robot is pressed against the cast flash portion of the aluminum cast product to open and crush it. is there. As a drill tool, a diamond electrodeposition drill can be preferably used.
【０００８】[0008]
【作用】６軸多関節形ロボットは、アーム先端にとりつ
けたエンドエフェクタで、適宜手段により供給されるア
ルミ鋳造品を把持し、スピンドル装置近傍まで搬送す
る。６軸多関節形ロボットは、スピンドル装置に取り付
けた高速回転しているドリル工具に対し、把持したまま
のアルミ鋳造品を鋳バリ部の形状に合わせて押し当てて
鋳バリを開孔、粉砕し除去する。同様にしてアルミ鋳造
品の各部位の鋳バリを除去した後、６軸多関節形ロボッ
トは把持しているアルミ鋳造品を次工程の中子除去装置
に送るため払い出し、中子除去前処理工程を完了する。In the 6-axis articulated robot, the end effector attached to the end of the arm grips the aluminum casting product supplied by appropriate means and conveys it to the vicinity of the spindle device. The 6-axis articulated robot presses an aluminum casting as it is gripped against a drill tool attached to a spindle device at a high speed according to the shape of the casting burr to open and crush the casting burr. Remove. Similarly, after removing casting burrs from each part of the aluminum cast product, the 6-axis articulated robot pays out the held aluminum cast product for sending to the core removing device in the next process, and the core removing pretreatment process. To complete.
【０００９】ロボットにはスカラ形ロボットもあるが、
スカラ形ロボットでは、重量垂直方向と水平方向の鋳バ
リ除去時の反力によるアームのたわみ量が大きく異な
り、ロボット姿勢の異なるアルミ鋳造品の各部位の安定
した鋳バリ除去が困難である。一方、６軸多関節形ロボ
ットは、ロボット姿勢の相違によるアームのたわみ量が
比較的安定しており、本発明では６軸多関節形ロボット
を使用する。There is a SCARA robot in the robot,
In the SCARA robot, the amount of arm deflection due to the reaction force during vertical and horizontal weight deburring is greatly different, and it is difficult to perform stable deburring of various parts of aluminum castings with different robot postures. On the other hand, the 6-axis articulated robot has a relatively stable amount of arm deflection due to the difference in robot postures, and the 6-axis articulated robot is used in the present invention.
【００１０】スピンドル装置に取り付けるドリル工具
は、鋳バリ除去の際に硬度の大きな中子砂にドリルが噛
み込むため、工具鋼や合金鋼のドリルでは寿命が短く、
処理コストが嵩む。そのため、ダイヤモンド電着ドリル
の使用が好ましい。ダイヤモンド電着ドリルは中子砂よ
り硬度が大きく、耐磨耗性に非常に優れている。ダイヤ
モンドチップを装着したドリルの使用も考えられるが、
再研磨を通したドリルのトータルコストの観点からダイ
ヤモンド電着ドリルが好適である。A drill tool attached to a spindle device has a short service life because a drill bit of tool steel or alloy steel has a short life because the drill bites into core sand having high hardness when removing casting burrs.
The processing cost is high. Therefore, it is preferable to use a diamond electrodeposition drill. The diamond electrodeposition drill has a hardness higher than that of core sand, and has excellent wear resistance. It is possible to use a drill equipped with a diamond tip,
A diamond electrodeposition drill is preferable from the viewpoint of the total cost of the drill that has undergone re-polishing.
【００１１】ダイヤモンド電着ドリルは、鋳バリの位
置、形状および寿命の観点から、外形は８〜２０ｍｍ、
好ましくは１０〜１６ｍｍとし、刃部長さは５０〜２０
０ｍｍ、好ましくは１００〜１５０ｍｍとし、刃部形状
はソリッドスパイラル２枚刃または４枚刃とし、ドリル
刃部には粒度１００〜３００メッシュ、好ましくは１０
０〜１５０メッシュの単結晶ダイヤモンド砥粒を電着し
たものが好適である。The diamond electrodeposited drill has an outer shape of 8 to 20 mm from the viewpoint of the position, shape and life of the casting burr.
It is preferably 10 to 16 mm and the blade length is 50 to 20.
0 mm, preferably 100-150 mm, the shape of the blade is a solid spiral 2-blade or 4-blade, and the drill blade has a grain size of 100-300 mesh, preferably 10
The electrodeposited single crystal diamond abrasive grain of 0 to 150 mesh is preferable.
【００１２】[0012]
【実施例】図１は、自動車エンジン用アルミ鋳造品の中
子前処理工程として本発明の中子除去前処理方法を実施
する例の概要を示す鳥瞰図である。EXAMPLE FIG. 1 is a bird's-eye view showing an outline of an example of carrying out the core removal pretreatment method of the present invention as the core pretreatment process of an aluminum cast product for automobile engines.
【００１３】ベース１の上に６軸多関節形ロボット２を
配置し、ロボット２のアームの先端にアルミ鋳造品把持
用のエンドエフェクタ３を設ける。またベース１の上に
は、ロボット２のエンドエフェクタ３が接近可能な位置
にスピンドル装置４を備え、スピンドル装置４の先端に
はドリル工具５を取り付ける。さらにロボット２および
スピンドル装置４等を制御する制御装置７を近傍に設置
する。また、除去した鋳バリ粉や崩れた中子砂を排出す
るためのホッパ８をスピンドル装置４の下部に設置す
る。A 6-axis articulated robot 2 is arranged on a base 1, and an end effector 3 for gripping an aluminum casting is provided at the tip of an arm of the robot 2. A spindle device 4 is provided on the base 1 at a position accessible to the end effector 3 of the robot 2, and a drill tool 5 is attached to the tip of the spindle device 4. Further, a control device 7 for controlling the robot 2, the spindle device 4, etc. is installed in the vicinity. Further, a hopper 8 for discharging the removed cast burr powder and the collapsed core sand is installed below the spindle device 4.
【００１４】６軸多関節形ロボット２は、エンドエフェ
クタ３で適宜手段により供給されるアルミ鋳造品６をロ
ボット２の自由度を活かして取りに行き、把持する。そ
の後アルミ鋳造品６をスピンドル装置４の近傍まで搬送
する。ロボット２は、スピンドル装置４に取り付けた高
速回転しているドリル工具５に対し、把持したままのア
ルミ鋳造品６を鋳バリ部の形状に合わせて、図２に示す
鋳バリ除去のためのドリル工具挿入方向１１から押し当
てて中子砂の排出を阻害する鋳バリを開孔、粉砕し除去
する。同様にしてアルミ鋳造品６の各部の鋳バリを除去
した後、ロボット２は把持しているアルミ鋳造品６を次
工程の中子除去装置に送るため適宜手段による排出装置
に払い出し、中子除去前処理工程を完了する。The 6-axis articulated robot 2 picks up and grips the aluminum casting 6 supplied by the end effector 3 by appropriate means while taking advantage of the degree of freedom of the robot 2. After that, the aluminum casting 6 is conveyed to the vicinity of the spindle device 4. The robot 2 matches the shape of the cast burr portion of the aluminum cast product 6 still held by the drill tool 5 rotating at a high speed mounted on the spindle device 4, and the drill for removing the cast burr shown in FIG. A casting burr that presses in the tool insertion direction 11 and blocks the discharge of core sand is opened, crushed, and removed. Similarly, after removing cast burrs on each part of the aluminum cast product 6, the robot 2 dispenses the gripped aluminum cast product 6 to a discharging device by an appropriate means to send it to the core removing device of the next step, and removes the core. Complete the pretreatment process.
【００１５】[0015]
【発明の効果】本発明の中子除去前処理方法は、６軸多
関節形ロボットの姿勢の自由度を活かして、アルミ鋳造
品の上面、側面などの各部位の鋳バリ取り除去を１サイ
クル内で行うことができる。また、６軸多関節形ロボッ
トがアルミ鋳造品の搬送も行えるため、搬送装置が不要
になり設備数を低減できる。さらに、中子砂より硬度が
大きなダイヤモンド電着ドリルを使用すれば、ドリルの
損耗を大きく低減できる。The core removal pretreatment method of the present invention takes advantage of the freedom of posture of the 6-axis articulated robot for one cycle of removal of casting burrs from each part such as the upper surface and side surfaces of an aluminum cast product. Can be done in. In addition, since the 6-axis articulated robot can also transfer aluminum castings, a transfer device is not required and the number of equipment can be reduced. Further, if a diamond electrodeposition drill having a hardness higher than that of core sand is used, wear of the drill can be greatly reduced.
【図１】本発明の一実施例を示す鳥瞰図である。FIG. 1 is a bird's-eye view showing an embodiment of the present invention.
【図２】アルミ鋳造品の例を示す外観図および鋳バリの
例を示すアルミ鋳造品の断面図である。FIG. 2 is an external view showing an example of an aluminum cast product and a cross-sectional view of an aluminum cast product showing an example of a casting burr.
１ ベース ２ ６軸多関節形ロボット ３ エンドエフェクタ ４ スピンドル装置 ５ ドリル工具 ６ アルミ鋳造品 ７ 制御装置 ８ ホッパ ９ 鋳バリ １０ 中子 １１ ドリル工具挿入方向 1 Base 2 6-axis articulated robot 3 End effector 4 Spindle device 5 Drill tool 6 Aluminum casting 7 Control device 8 Hopper 9 Casting burr 10 Core 11 Drill tool insertion direction
Claims (1)
リを除去するアルミ鋳造品の中子除去前処理方法におい
て、 ６軸多関節形ロボットでアルミ鋳造品を把持し、ロボッ
ト近傍に設置したスピンドル装置に取り付けたドリル工
具に該アルミ鋳造品の鋳バリ部位を押し当てて開孔、粉
砕することを特徴とするアルミ鋳造品の中子除去前処理
方法。1. A core removal pretreatment method for an aluminum casting product, which removes casting burrs that obstruct the core ejection of the aluminum casting product, by gripping the aluminum casting product with a 6-axis articulated robot and installing it near the robot. A pre-treatment method for core removal of an aluminum cast product, which comprises pressing a casting burr portion of the aluminum cast product against a drill tool attached to the spindle device to open and crush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21324894A JPH0857628A (en) | 1994-08-16 | 1994-08-16 | Method for pre-treating removal of core in aluminum casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21324894A JPH0857628A (en) | 1994-08-16 | 1994-08-16 | Method for pre-treating removal of core in aluminum casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0857628A true JPH0857628A (en) | 1996-03-05 |
Family
ID=16635968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21324894A Withdrawn JPH0857628A (en) | 1994-08-16 | 1994-08-16 | Method for pre-treating removal of core in aluminum casting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0857628A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091857A1 (en) * | 2003-04-09 | 2004-10-28 | Hottinger Kg | Device for cleaning and/or deburring workpieces |
| JP2008504129A (en) * | 2004-06-28 | 2008-02-14 | コンソリデイテッド エンジニアリング カンパニー， インコーポレイテッド | Method and apparatus for removing burrs and obstructions from castings |
| EP1932606A1 (en) * | 2006-12-14 | 2008-06-18 | Shigayamashita Co., Ltd. | Casting finishing device |
| CN103785819A (en) * | 2014-01-22 | 2014-05-14 | 无锡蠡湖叶轮制造有限公司 | Full-automatic postprocessing device for compressor casing casting |
| CN105458913A (en) * | 2015-12-31 | 2016-04-06 | 天津正本自控***有限公司 | Refiner rack |
| CN106345988A (en) * | 2016-08-29 | 2017-01-25 | 无锡市明骥智能机械有限公司 | Piston riser cutter |
-
1994
- 1994-08-16 JP JP21324894A patent/JPH0857628A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091857A1 (en) * | 2003-04-09 | 2004-10-28 | Hottinger Kg | Device for cleaning and/or deburring workpieces |
| JP2008504129A (en) * | 2004-06-28 | 2008-02-14 | コンソリデイテッド エンジニアリング カンパニー， インコーポレイテッド | Method and apparatus for removing burrs and obstructions from castings |
| EP1932606A1 (en) * | 2006-12-14 | 2008-06-18 | Shigayamashita Co., Ltd. | Casting finishing device |
| CN103785819A (en) * | 2014-01-22 | 2014-05-14 | 无锡蠡湖叶轮制造有限公司 | Full-automatic postprocessing device for compressor casing casting |
| CN105458913A (en) * | 2015-12-31 | 2016-04-06 | 天津正本自控***有限公司 | Refiner rack |
| CN106345988A (en) * | 2016-08-29 | 2017-01-25 | 无锡市明骥智能机械有限公司 | Piston riser cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20011106 |