JP4373455B2 - Sphere processing equipment - Google Patents

Sphere processing equipment Download PDF

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JP4373455B2
JP4373455B2 JP2007097295A JP2007097295A JP4373455B2 JP 4373455 B2 JP4373455 B2 JP 4373455B2 JP 2007097295 A JP2007097295 A JP 2007097295A JP 2007097295 A JP2007097295 A JP 2007097295A JP 4373455 B2 JP4373455 B2 JP 4373455B2
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ball
processing
processed
sphere
balls
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JP2008254095A (en
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崇 笹沼
幸雄 高艸
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Amatsuji Steel Ball Mfg Co Ltd
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Amatsuji Steel Ball Mfg Co Ltd
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Description

本発明は球体の表面加工を行う球体加工装置に関するものである。 The present invention relates to a sphere processing apparatus that performs surface processing of a sphere .

対面する２枚の加工盤に被加工球を挟み込み、少なくとも一方の加工盤を回転させることによって加工盤間で被加工球を周回させることで球体を研磨し、真球度の良いボールに加工する球体加工方法及び装置は従来より公知であり、加工盤の一方に設けられたボールホッパー部に加工を行う全球体数の一部を保持し、順次、加工盤間に投入する機能を持たせることにより加工盤間に設置できる球体の個数よりも多い球体数に対し加工を可能にする装置が使用されている。   A processing ball is sandwiched between two processing machines facing each other, and at least one of the processing machines is rotated so that the processing ball circulates between the processing machines so that the sphere is polished and processed into a ball with good sphericity. A sphere processing method and apparatus are conventionally known, and a part of the total number of spheres to be processed is held in a ball hopper provided on one of the processing boards, and a function of sequentially inserting between the processing boards is provided. Thus, an apparatus is used that enables processing for a larger number of spheres than the number of spheres that can be installed between processing boards.

しかし、この装置はボールホッパー部内に保持された全球体の一部については回転する加工盤から被加工球に力を伝達させることで被加工球がボールホッパー内を流動するようにするものであった。   However, in this device, a part of the whole sphere held in the ball hopper is transmitted from the rotating processing board to the work sphere so that the work sphere flows in the ball hopper. It was.

ところが、加工盤のボールホッパー部において保持された被加工球は一定の個数を超えると、ボールホッパー内に密に堆積して流動が止まり、ボールホッパー部から加工盤間への移動が滞り、その被加工球に対して均一研磨が行なわれず、加工精度が悪くなり、また滑らかに流動が行なわれない状態で加工盤の回転を続けて行うと、被加工球に有害な傷がついてしまう問題を有していた。   However, if the number of balls to be processed held in the ball hopper of the processing board exceeds a certain number, the balls gradually accumulate in the ball hopper and stop flowing, and the movement from the ball hopper to the processing board is delayed. Even if the workpiece ball is not evenly polished, the machining accuracy is deteriorated, and the machining disk continues to rotate without smooth flow, harmful damage to the workpiece ball may occur. Had.

近時、これに対し、上下２枚の加工盤を相対回転させることにより被加工球の表面を加工するにあたり、上側加工盤に外面から内面にわたり貫通状に切り欠いたボール溜まり部を設けると共に該溜まり部内にボール撹拌機構を設けてボール溜まり部内でボール撹拌機構により撹拌して他の案内溝に移し加工する方法が提案されている（例えば特許文献１参照）
特開２００５−４６９２３号公報 Recently, in order to process the surface of the ball to be processed by rotating the upper and lower two processing machines relative to each other, the upper processing machine is provided with a ball reservoir portion that is notched in a penetrating manner from the outer surface to the inner surface. There has been proposed a method in which a ball agitating mechanism is provided in the reservoir, the agitation is performed in the ball reservoir by the ball agitating mechanism, and transferred to another guide groove (for example, see Patent Document 1).
JP 2005-46923 A

しかし、上記提案に係る方法はボール溜まり部内でボールを撹拌させ、複数個の溝にランダムに入りを繰り返すようにしただけのもので、撹拌機構は加工盤面のどの溝に入るかの選択を行って加工時の球体の径相互差を改善することが出来るとしても、加工盤間に入る個数以上のボールの個数を加工するものではない。   However, in the method according to the above proposal, the ball is agitated in the ball reservoir, and only randomly enters a plurality of grooves, and the agitation mechanism selects which groove on the processing board surface is entered. Even if the difference in diameter of the spheres during processing can be improved, the number of balls exceeding the number between the processing machines is not processed.

本発明は上述の如き実状に鑑み、ボール溜まり部に相当するボールホッパー部に複数層になる程の加工盤間に物理的に設置可能な個数よりも多くの個数のボールを配し、該ボールを加工装置内に投入しつつこれを保持し、ボールホッパー内での滞留を防いで流動させることにより加工精度を確保し、被加工球に有害なキズを付けることなく一度に加工できる加工個数の大容量化をはかることを目的とするものである。   In view of the actual situation as described above, the present invention provides a ball hopper portion corresponding to the ball reservoir portion with a larger number of balls than the number of balls that can be physically installed between the processing boards so as to form a plurality of layers. The number of workpieces that can be processed at one time without harmful damage to the workpiece ball is ensured by holding it while flowing it into the processing device and preventing it from flowing in the ball hopper to flow. The purpose is to increase the capacity.

即ち、上記目的に適合する本発明は、対面する２枚の加工盤にの間に被加工球を挟み込み、少なくとも一方の加工盤を回転させることによって加工盤の間で被加工球を周回させることで球を研磨し真球度のよいボールに加工する球体加工装置において、加工盤の一方に所定領域を切り欠いた空孔よりなるボールホッパー部を設け、該ボールホッパー部に加工盤間に物理的に設置可能な個数のボールよりも多くのボールを投入可能とすると共に、該ボールホッパー部内に鉛直方向に棒状部材よりなる流動推進部材を挿入し加工盤間の移動を推進せしめた構成を特徴とする。なお、流動推進部材は低摩擦及び低剛性の弾性棒状体とすることが好適である。 That is, according to the present invention suitable for the above-mentioned purpose, a work ball is sandwiched between two processing machines facing each other, and at least one of the work machines is rotated to rotate the work ball between the work boards. In a sphere processing apparatus that polishes a sphere and processes it into a ball with good sphericity, a ball hopper part is formed of a hole cut out in a predetermined area on one of the processing boards, and the ball hopper part is physically connected between the processing boards. It is possible to throw in more balls than the number of balls that can be installed, and a flow propulsion member made of a rod-like member is inserted in the ball hopper portion in the vertical direction to promote movement between processing boards. And The flow propelling member is preferably an elastic rod-shaped body having low friction and low rigidity.

本発明は上述の如く加工装置にボールホッパー部を設け、これに流動推進部材として棒状部材を挿入することで、簡単な構成により加工盤内に設置できる球体の個数よりも多い球体数に対し、被加工球の連続した移動を推進させることが可能であり、特に材質に低摩擦及び低剛性の弾性体を用いることにより、被加工球の表面及び内部に有害なキズを生じさせずに移動させるよう推進し、大容量で精度よく被加工球を加工することが可能である。   As described above, the present invention provides a ball hopper portion in the processing apparatus and inserts a rod-shaped member as a flow propelling member into the processing device, so that the number of spheres larger than the number of spheres that can be installed in the processing board with a simple configuration, It is possible to promote continuous movement of the workpiece sphere, especially by using an elastic body with low friction and low rigidity as the material, and without causing harmful scratches on the surface and inside of the workpiece sphere. It is possible to process the processed ball with a large capacity and high accuracy.

以下、更に添付図面を参照し、本発明に係る球体加工装置の具体的態様を説明する。
Hereinafter, further with reference to the accompanying drawings, a specific embodiment of the spherical pressure KoSo location according to the present invention.

本発明は前述の如く加工盤に所定の空孔からなるボールホッパー部を設け、該ボールホッパー部に加工領域に存在できる個数よりも多い球体数を投入して、これに対し棒状流動推進部材を挿入し、ボールホッパー部より加工盤間へ被加工球が望ましい順序で常に連続的に移動するように推進して被加工球を加工することにある。   In the present invention, as described above, a ball hopper portion having predetermined holes is provided in the processing board, and a larger number of spheres than the number that can exist in the processing region are introduced into the ball hopper portion, and a rod-like flow propulsion member is provided for this. Inserting and processing the processed ball from the ball hopper so that the processed ball always moves continuously in the desired order between the processing boards.

図１，図２は上記本発明を実施するための装置例であり、図において１は固定加工盤、４は回転加工盤、３は被加工球で、被加工球３は回転加工盤４上にあり、回転加工盤４の回転と共に回転移動を行い、固定加工盤１と回転加工盤４とに挟まれた領域において被加工球３に対して研磨が行なわれる。この場合、被加工球３の球径に対して充分、大きな幅をもった溝２が固定加工盤１に形成されており、加工は研削液吹きかけノズル５から流れ出る研削液に被加工球３が浸された状態で実施される。本発明は上記の如き加工装置において、特に固定加工盤１にボールホッパー部６が形成れさている。   FIGS. 1 and 2 show an example of an apparatus for carrying out the present invention. In the figure, 1 is a fixed processing board, 4 is a rotary processing board, 3 is a processed ball, and the processed ball 3 is on the rotary processing board 4. Therefore, the workpiece ball 3 is polished in a region sandwiched between the stationary processing board 1 and the rotary processing board 4. In this case, a groove 2 having a sufficiently large width with respect to the diameter of the sphere 3 to be processed is formed in the fixed processing board 1, and the sphere 3 to be processed is applied to the grinding fluid flowing from the nozzle 5 for spraying the grinding fluid. It is carried out in a dipped state. In the processing apparatus as described above, the ball hopper 6 is formed on the fixed processing board 1 in particular.

ボールホッパー部６は適宜形状で固定加工盤１の上面より下面に貫通して形成され、内部は両加工盤間に物理的に設置可能な個数のボールよりも多くのボールが複数層になる程、投入されるようになっている。そして、固定加工盤１と回転加工盤４間を周回する被加工球３はボールホッパー部６において一時、留まり、ボールホッパー部６内を巡回した後、再び加工盤間へ移行が行なわれる。このとき、一度に加工を試みる被加工球数が多い場合、ボールホッパー部６内で被加工球が密に堆積して停滞し、巡回が行なわれない。そこで、このようなボールホッパー部６内での停滞を修正するために流動推進部材７がボールホッパー６内に設置されている。   The ball hopper 6 has an appropriate shape and is formed so as to penetrate from the upper surface to the lower surface of the fixed processing board 1, and the inside has a number of balls more than the number of balls that can be physically installed between the two processing machines. , Has come to be introduced. Then, the work ball 3 that circulates between the fixed processing machine 1 and the rotary machine 4 stays temporarily in the ball hopper 6, travels through the ball hopper 6, and then moves between the processing machines again. At this time, when the number of processed balls to be processed is large at one time, the processed balls accumulate in the ball hopper portion 6 and stagnate, and no patrol is performed. Therefore, in order to correct such a stagnation in the ball hopper 6, the flow propelling member 7 is installed in the ball hopper 6.

流動推進部材７は本発明の特徴をなしており、図においてはボールホッパー部６に鉛直方向に挿入された棒状部材によって構成されている。棒状部材は極めて簡単であるが、流動を推進する面で頗る有効であり、複雑な構成は却って流動を阻害する傾向がある。この棒状部材よりなる流動推進部材７は１本に限らず、複数でもよく、材質としては低摩擦及び低剛性の弾性体を用いることが好ましく、固定加工盤１を保持している研磨装置基礎部分と連結されて固定され、その太さ，長さあるいは形状等は前記ボールの停滞を解消してボールを推進することができものであれば適宜、可能である。また、この流動推進部材７の固定手段も特に限定されることなく、適宜手段を採用することができる。   The flow propelling member 7 is a feature of the present invention, and is constituted by a rod-like member inserted in the ball hopper portion 6 in the vertical direction in the drawing. Although the rod-shaped member is very simple, it is effective in promoting the flow, and the complicated structure tends to inhibit the flow. The flow propulsion member 7 made of this rod-shaped member is not limited to one, but may be a plurality, and it is preferable to use a low-friction and low-rigid elastic body as a material, and a polishing apparatus base portion holding the fixed processing board 1 The thickness, length, shape, and the like can be appropriately selected as long as they can eliminate the stagnation of the ball and promote the ball. The fixing means for the flow propelling member 7 is not particularly limited, and any appropriate means can be adopted.

次に前記本発明の流動推進部材を用いて加工実験した結果を述べる。   Next, the results of processing experiments using the flow propelling member of the present invention will be described.

試験はボールホッパー部内部で図３に示すように４つの区域を設定し、区域１内の被加工球のうち、５００球を着色して加工中の球を追跡しながら加工を５分間実施し、加工後に各区域及び区域から流動し加工盤間に挟まれた領域における追跡を実施した球の数を計数した。   In the test, four areas are set inside the ball hopper as shown in FIG. 3, and among the balls to be processed in the area 1, 500 balls are colored and processing is performed for 5 minutes while tracking the balls being processed. The number of spheres that were tracked in each zone and the area that flowed from the zone after processing and was sandwiched between the processing machines was counted.

流動推進部材を設置した条件及び設置しない条件の夫々について上記の試験を実施したところ、下記表１に示す結果が得られた。   When the above test was performed for each of the conditions for installing and not installing the flow propelling member, the results shown in Table 1 below were obtained.

Figure 0004373455
上記表より流動推進部材を設置した本発明条件では、ボールホッパー部材の球体が区域間を移動しており、本発明装置がボールホッパー部内の球体の流動を推進していることが確認された。
Figure 0004373455
 From the above table, it was confirmed that under the conditions of the present invention in which the flow propelling member was installed, the sphere of the ball hopper member moved between the areas, and the apparatus of the present invention promoted the flow of the sphere in the ball hopper.

図１は本発明に係る球体加工装置の１例を示す斜視図である。FIG. 1 is a perspective view showing an example of a sphere processing apparatus according to the present invention. 図１の球体加工装置の縦断面図である。It is a longitudinal cross-sectional view of the spherical body processing apparatus of FIG. 実施例におけるボールホッパー部内を分割し設定した区域を示す説明図である。It is explanatory drawing which shows the area which divided and set the inside of the ball hopper part in an Example.

符号の説明Explanation of symbols

１：固定加工盤
２：溝
３：被加工球
４：回転加工盤
５：研削液吹きかけノズル
６：ボールホッパー部
７：流動推進部材 1: Fixed processing board 2: Groove 3: Ball to be processed 4: Rotating processing board 5: Nozzle for spraying grinding fluid 6: Ball hopper 7: Flow propulsion member

Claims (2)

対面する２枚の加工盤の間に被加工球を挟み込み、少なくとも一方の加工盤を回転させることによって加工盤の間で被加工球を研磨し真球度のよいボールに加工する球体加工装置において、加工盤の一方に所定領域を切り欠いた空孔よりなるボールホッパー部を設け、該ボールホッパー部に加工盤間に物理的に設置可能な個数のボールよりも多くのボールを投入可能とすると共に、該ボールホッパー内に鉛直方向に棒状部材よりなる流動推進部材を挿入したことを特徴とする球体加工装置。   In a sphere processing apparatus for processing a processed ball into a ball having good sphericity by sandwiching a processed ball between two processing disks facing each other and rotating at least one of the processing disks In addition, a ball hopper portion made of a hole cut out in a predetermined area is provided on one side of the processing board, and more balls can be thrown into the ball hopper section than the number of balls that can be physically installed between the processing boards. In addition, a spherical body processing apparatus in which a flow propulsion member made of a rod-shaped member is inserted into the ball hopper in the vertical direction. ボールホッパー部に挿入される流動推進部材が低摩擦及び低剛性の弾性体よりなる請求項２記載の球体加工装置。   The sphere processing apparatus according to claim 2, wherein the flow propulsion member inserted into the ball hopper is made of an elastic body having low friction and low rigidity.
JP2007097295A 2007-04-03 2007-04-03 Sphere processing equipment Expired - Fee Related JP4373455B2 (en)

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