JP4486860B2 - Circular filter manufacturing apparatus and circular filter manufacturing method - Google Patents

Circular filter manufacturing apparatus and circular filter manufacturing method Download PDF

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JP4486860B2
JP4486860B2 JP2004218192A JP2004218192A JP4486860B2 JP 4486860 B2 JP4486860 B2 JP 4486860B2 JP 2004218192 A JP2004218192 A JP 2004218192A JP 2004218192 A JP2004218192 A JP 2004218192A JP 4486860 B2 JP4486860 B2 JP 4486860B2
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storage case
circular filter
cradle
adhesive
packing
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JP2006035083A (en
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義哉 佐野
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Nitta Corp
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Description

本発明は、空気中の微粒子を捕集する防塵マスクなどに使用される円形フィルタの製造装置および円形フィルタの製造方法に関するものである。   The present invention relates to a circular filter manufacturing apparatus and a circular filter manufacturing method used for a dust mask for collecting fine particles in the air.

防塵マスクは、浮遊粉塵の存在する人体に有害な環境下での作業に際して着用され、作業者が有害な粉塵を吸い込まないように工夫されている。そして、防塵マスクに取り付けられているフィルタは、このような環境下において、きれいな空気の呼吸を保証するために設けられており、これはパルプや繊維を抄造して得たろ紙又は不織布等からなるろ過材を折り畳んで収納ケース内に収容して使用している。   Dust masks are worn during work in an environment that is harmful to the human body where airborne dust exists, and are devised so that workers do not inhale harmful dust. And the filter attached to the dust mask is provided in order to guarantee the breath of clean air in such an environment, and this is made of filter paper or nonwoven fabric obtained by making pulp or fiber. The filter medium is folded and stored in a storage case.

このろ過材と収納ケースの固着方法に関し、ろ過材の側壁と収納ケース内周面との間にシーリング剤等の接着剤を注入して一体化することが知られている(例えば、特許文献1参照。)。   Regarding the fixing method of the filter medium and the storage case, it is known to inject and integrate an adhesive such as a sealing agent between the side wall of the filter medium and the inner peripheral surface of the storage case (for example, Patent Document 1). reference.).

従来、ろ過材と収納ケースの固着方法は、図4に示す装置を用いて接着剤を注入していた。即ち、従来の装置は、収納ケース1に折り畳んだろ過材2を装着し、これを接着剤4を底面に貯めているすり鉢状の受け台3に覆いかぶせて取り付ける。この受け台3は、回転治具5に搭載され、更に収納ケース4の上に錘6を取り付けた状態で回転治具5を回転して、すり鉢状の受け台3を回転させる。   Conventionally, as a method for fixing the filter medium and the storage case, an adhesive is injected using the apparatus shown in FIG. That is, the conventional apparatus is attached with the filter medium 2 folded in the storage case 1 and covering it with a mortar-shaped cradle 3 storing the adhesive 4 on the bottom surface. The cradle 3 is mounted on a rotating jig 5, and the mortar-shaped cradle 3 is rotated by rotating the rotating jig 5 with the weight 6 mounted on the storage case 4.

これにより、すり鉢状の受け台3にある接着剤4が収納ケース1の内周面とろ過材2との間に注入されて、収納ケース1の内周面とろ過材2が接着される。
特開2002-66241号公報(頁2、図4)
Thereby, the adhesive 4 in the mortar-shaped cradle 3 is injected between the inner peripheral surface of the storage case 1 and the filter medium 2, and the inner peripheral surface of the storage case 1 and the filter medium 2 are bonded.
JP 2002-66241 A (Page 2, FIG. 4)

しかしながら、上述した従来の装置を使用した場合、図5に示すように注入した接着剤4の一部が固化する前に垂れ下がり、バリ7が発生することがある。このため、このバリ7を取り除く必要があり作業性が悪い問題があった。
本発明は、上記問題点を解決するためになされたもので、ろ過材と収納ケースを固着する時、接着剤が均一に塗布でき、かつ接着剤のはみ出しが発生しない円形フィルタの製造装置および円形フィルタの製造方法を提供することを目的とする。
However, when the above-described conventional apparatus is used, as shown in FIG. 5, a part of the injected adhesive 4 hangs down before solidifying, and burrs 7 may occur. For this reason, there is a problem that it is necessary to remove the burr 7 and the workability is poor.
The present invention has been made to solve the above-described problems. When the filter medium and the storage case are fixed, an adhesive can be uniformly applied, and a circular filter manufacturing apparatus and a circular filter in which the adhesive does not protrude. It aims at providing the manufacturing method of a filter.

上記目的を達成するために、本発明の円形フィルタの製造装置は、折り畳んだ円形のろ過材を内側に装着する収納ケースが取り付けられ接着剤を底面に貯めている受け台と、外周面が前記受け台の内周面に接し、前記収納ケースが受け台に取り付けられた時に上面が前記ろ過材の頂部外周と前記収納ケースの外周に対向する位置に設けられ、内周面が上部に向かって順次厚さが薄くなる傾斜面となったパッキンとを有することを特徴とする。   In order to achieve the above object, the circular filter manufacturing apparatus of the present invention includes a receiving case to which a folded circular filter medium is attached, a cradle for storing adhesive on the bottom surface, and an outer peripheral surface of the receiving case. When the storage case is attached to the cradle, the upper surface is provided at a position facing the outer periphery of the top of the filter medium and the outer periphery of the storage case, and the inner peripheral surface faces upward. It has the packing which became the inclined surface where thickness becomes thin sequentially.

また、本発明の円形フィルタの製造方法は、折り畳んだ円形のろ過材を内側に装着する収納ケースと、この収納ケースが取り付けられ接着剤を底面に貯めている受け台と、前記収納ケースが取り付けられた時に上面が前記ろ過材の頂部外周と前記収納ケースの外周に対向する位置に設けられ内周面が上部に向かって順次厚さが薄くなる傾斜面となったパッキンと、前記受け台が搭載される回転治具とで構成し、前記受け台を前記回転治具によって回転し、その遠心力によって前記接着剤を前記収納ケースの内周面と前記ろ過材の間に注入し、前記ろ過材を前記収納ケースに固着することを特徴とする。   The method for producing a circular filter according to the present invention includes a storage case in which a folded circular filter medium is attached, a cradle to which the storage case is attached and an adhesive is stored on the bottom, and the storage case is attached. The packing has an upper surface provided at a position facing the outer periphery of the top of the filter medium and the outer periphery of the storage case, and the inner peripheral surface is an inclined surface that gradually decreases in thickness toward the upper portion; A rotating jig to be mounted, the cradle is rotated by the rotating jig, and the adhesive is injected between the inner peripheral surface of the storage case and the filter medium by the centrifugal force; A material is fixed to the storage case.

本発明によれば、ろ過材と収納ケースの固着作業において、傾斜を設けたパッキンを備えた受け台とすることにより、接着剤が均一に塗布でき、かつ接着剤の垂れ下がりが防止できバリが発生することがなくなる。   According to the present invention, in the fixing operation of the filter medium and the storage case, by using a cradle having an inclined packing, the adhesive can be applied uniformly, and the adhesive can be prevented from dripping and burrs are generated. There is no need to do it.

以下、図面を参照して本発明の円形フィルタの製造装置および円形フィルタの製造方法について説明する。   Hereinafter, a circular filter manufacturing apparatus and a circular filter manufacturing method of the present invention will be described with reference to the drawings.

図1は、本発明の実施形態に係る円形フィルタの製造装置を示す図である。
実施形態に係る円形フィルタの製造装置は、円形の収納ケース10の内側に折り畳んだ円形のろ過材11を装着し、この収納ケース10を接着剤13を底面に貯めているすり鉢状の受け台12に覆いかぶせて取り付ける。この時、すり鉢状の受け台12の内周面と収納ケース10の外周面とは摺動できるような僅かな隙間をもって取り付けられる。なお、接着剤13は樹脂、ウレタン樹脂などが使用される。
FIG. 1 is a view showing a circular filter manufacturing apparatus according to an embodiment of the present invention.
In the circular filter manufacturing apparatus according to the embodiment, a circular filter medium 11 folded inside a circular storage case 10 is mounted, and a mortar-shaped cradle 12 in which the storage case 10 is stored with an adhesive 13 on the bottom surface. Attach to cover. At this time, the inner peripheral surface of the mortar-shaped cradle 12 and the outer peripheral surface of the storage case 10 are attached with a slight gap so that they can slide. The adhesive 13 is made of resin, urethane resin, or the like.

また、すり鉢状の受け台12には、すり鉢状の受け台12の内周面の底部に接し、ろ過材11の頂部外周と収納ケース10の外周に対応する位置にリング状のパッキン14が取り付けられている。このパッキン14は、図2に示すように、収納ケース10の内周面とろ過材11の外周の間に接着剤13が注入され易いように円周方向に傾斜Aが形成されている。この傾斜Aは、90°>傾斜>10°であれば良い。なお、パッキン14は樹脂、シリコンゴム、テトラフロロエチレンなどによって形成すると良い。また、パッキン14の硬度はスプリング式タイプデュロメーター硬さA10−80(JIS−K6253)の樹脂であると良い。   In addition, a ring-shaped packing 14 is attached to the mortar-shaped cradle 12 in contact with the bottom of the inner peripheral surface of the mortar-shaped cradle 12 and corresponding to the outer periphery of the top of the filter medium 11 and the outer periphery of the storage case 10. It has been. As shown in FIG. 2, the packing 14 is formed with an inclination A in the circumferential direction so that the adhesive 13 can be easily injected between the inner peripheral surface of the storage case 10 and the outer periphery of the filter medium 11. The inclination A may be 90 °> inclination> 10 °. The packing 14 is preferably formed of resin, silicon rubber, tetrafluoroethylene, or the like. The hardness of the packing 14 is preferably a resin of spring type durometer hardness A10-80 (JIS-K6253).

このような傾斜Aを持ったパッキン14を有するすり鉢状の受け台12は、回転治具15に搭載され、更に収納ケース10の上に錘16を取り付けられる。   The mortar-shaped cradle 12 having the packing 14 having such an inclination A is mounted on a rotating jig 15, and a weight 16 is attached on the storage case 10.

次に、上記した製造装置を用いた円形フィルタの製造方法について説明する。ろ過材11が収納された収納ケース10と、すり鉢状の受け台12とを搭載した状態で回転治具15を回転すると、収納ケース11が錘16により固定された状態となり、すり鉢状の受け台12のみが回転する。回転治具15の回転速度は、700〜1500rpmが最良である。すると、その遠心力によりすり鉢状の受け台12の接着剤13が収納ケース10の内周面に接着剤が均一に塗布される。その結果、接着剤13が収納ケース10の内周面とろ過材11との間に注入されて、収納ケース10の内周面とろ過材11が接着される。   Next, a method for manufacturing a circular filter using the above-described manufacturing apparatus will be described. When the rotating jig 15 is rotated in a state where the storage case 10 in which the filter material 11 is stored and the mortar-shaped cradle 12 are mounted, the storage case 11 is fixed by the weight 16 and the mortar-shaped cradle. Only 12 rotates. The rotation speed of the rotating jig 15 is best from 700 to 1500 rpm. Then, the adhesive agent 13 is uniformly applied to the inner peripheral surface of the storage case 10 by the centrifugal force. As a result, the adhesive 13 is injected between the inner peripheral surface of the storage case 10 and the filter medium 11, and the inner peripheral surface of the storage case 10 and the filter medium 11 are bonded.

その結果、収納ケース10の内周面とろ過材11との間に注入された接着剤13が固化する際に、図3に示すように、すり鉢状の受け台12に取り付けた傾斜Aをもったパッキン14によって、収納ケース10からの接着剤13のはみ出しがなくなり、バリが防止できる。   As a result, when the adhesive 13 injected between the inner peripheral surface of the storage case 10 and the filter medium 11 is solidified, as shown in FIG. 3, it has an inclination A attached to the mortar-shaped cradle 12. The packing 14 prevents the adhesive 13 from protruding from the storage case 10 and prevents burrs.

したがって、実施形態に係る円形フィルタの製造装置によれば、ろ過材と収納ケースの固着作業において、任意の傾斜を設けたパッキンを備えた受け台の底面に接着剤を入れ、受け台を回転し遠心力で接着剤を収納ケースに塗布、固着させることにより、接着剤が均一に塗布でき、また接着剤のはみ出しが防止でき、後工程で実施していた接着剤のはみ出し部分の固形物除去作業がなくなるなどの作業時間が短縮する。   Therefore, according to the manufacturing apparatus of the circular filter according to the embodiment, in the adhering operation of the filter medium and the storage case, the adhesive is put on the bottom surface of the cradle provided with packing having an arbitrary inclination, and the cradle is rotated. By applying and fixing the adhesive to the storage case with centrifugal force, the adhesive can be applied uniformly and the adhesive can be prevented from protruding. Work time such as disappearing is shortened.

本発明の実施形態に係る円形フィルタの製造装置を示す図。The figure which shows the manufacturing apparatus of the circular filter which concerns on embodiment of this invention. 本発明の実施形態におけるパッキンの形状を示す図。The figure which shows the shape of the packing in embodiment of this invention. 本発明の実施形態により接着剤が収納ケース側面に均一に塗布された状態を示す図。The figure which shows the state by which the adhesive agent was uniformly apply | coated to the storage case side surface by embodiment of this invention. 従来の円形フィルタの製造装置を示す図。The figure which shows the manufacturing apparatus of the conventional circular filter. 従来の円形フィルタの製造装置によって発生するバリを示す図。The figure which shows the burr | flash which generate | occur | produces with the manufacturing apparatus of the conventional circular filter.

符号の説明Explanation of symbols

10‥収納ケース
11‥ろ過材
12‥受け台
13‥接着剤
14‥パッキン
15‥回転治具
16‥錘

DESCRIPTION OF SYMBOLS 10 ... Storage case 11 ... Filter material 12 ... Base 13 ... Adhesive 14 ... Packing 15 ... Rotating jig 16 ... Weight

Claims (7)

折り畳んだ円形のろ過材を内側に装着する収納ケースが取り付けられ、接着剤を底面に貯めている受け台と、
外周面が前記受け台の内周面に接し、前記収納ケースが受け台に取り付けられた時に上面が前記ろ過材の頂部外周と前記収納ケースの外周に対向する位置に設けられ、内周面が上部に向かって順次厚さが薄くなる傾斜面となったパッキンと
を有することを特徴とする円形フィルタの製造装置。
A storage case that attaches a folded circular filter medium inside is attached, and a cradle that stores adhesive on the bottom,
The outer peripheral surface is in contact with the inner peripheral surface of the cradle, and when the storage case is attached to the cradle, the upper surface is provided at a position facing the outer periphery of the top of the filter medium and the outer periphery of the storage case. An apparatus for manufacturing a circular filter, comprising: a packing having an inclined surface that gradually decreases in thickness toward an upper portion.
前記接着剤がウレタン樹脂であることを特徴とする請求項1に記載の円形フィルタの製造装置。   The circular filter manufacturing apparatus according to claim 1, wherein the adhesive is a urethane resin. 前記パッキンがシリコンゴム、又はテトラフロロエチレン樹脂であることを特徴とする請求項1に記載の円形フィルタの製造装置。   2. The circular filter manufacturing apparatus according to claim 1, wherein the packing is made of silicon rubber or tetrafluoroethylene resin. 前記パッキンの傾斜が、90°>傾斜>10°であることを特徴とする請求項1に記載の円形フィルタの製造装置。   The circular filter manufacturing apparatus according to claim 1, wherein the packing has an inclination of 90 °> inclination> 10 °. 上記パッキンの硬度がスプリング式タイプデュロメーター硬さA10−80(JIS−K6253)の樹脂であることを特徴とする請求項1に記載の円形フィルタの製造装置。   The circular filter manufacturing apparatus according to claim 1, wherein the packing is made of a resin having a spring type durometer hardness of A10-80 (JIS-K6253). 前記パッキンが設けられた前記受け台が搭載される回転治具を更に有することを特徴とする請求項1に記載の円形フィルタの製造装置。   The circular filter manufacturing apparatus according to claim 1, further comprising a rotating jig on which the cradle provided with the packing is mounted. 折り畳んだ円形のろ過材を内側に装着する収納ケースと、この収納ケースが取り付けられ接着剤を底面に貯めている受け台と、前記収納ケースが取り付けられた時に上面が前記ろ過材の頂部外周と前記収納ケースの外周に対向する位置に設けられ内周面が上部に向かって順次厚さが薄くなる傾斜面となったパッキンと、前記受け台が搭載される回転治具とで構成し、
前記受け台を前記回転治具によって回転し、その遠心力によって前記接着剤を前記収納ケースの内周面と前記ろ過材の間に注入し、前記ろ過材を前記収納ケースに固着することを特徴とする円形フィルタの製造方法。
A storage case in which a folded circular filter material is attached inside, a cradle in which this storage case is attached and storing adhesive on the bottom surface, and the top surface of the filter material when the storage case is attached to the outer periphery of the top of the filter medium The packing is provided at a position facing the outer periphery of the storage case and the inner peripheral surface is an inclined surface whose thickness is gradually reduced toward the upper portion, and a rotating jig on which the cradle is mounted,
The cradle is rotated by the rotating jig, the adhesive is injected between the inner peripheral surface of the storage case and the filter medium by the centrifugal force, and the filter medium is fixed to the storage case. A method for manufacturing a circular filter.
JP2004218192A 2004-07-27 2004-07-27 Circular filter manufacturing apparatus and circular filter manufacturing method Expired - Fee Related JP4486860B2 (en)

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