JP2007253097A - Dust recovery mechanism for dust collection apparatus - Google Patents

Dust recovery mechanism for dust collection apparatus Download PDF

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JP2007253097A
JP2007253097A JP2006082686A JP2006082686A JP2007253097A JP 2007253097 A JP2007253097 A JP 2007253097A JP 2006082686 A JP2006082686 A JP 2006082686A JP 2006082686 A JP2006082686 A JP 2006082686A JP 2007253097 A JP2007253097 A JP 2007253097A
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dust
lid
collection container
dust collector
collection
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JP4789668B2 (en
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Tetsukazu Tsurumi
哲一 鶴見
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Amano Corp
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Amano Corp
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<P>PROBLEM TO BE SOLVED: To provide a dust collection apparatus which uses a mechanism having a relatively simple structure and not affecting dust recovery, enables dust-collecting operation under such conditions that the negative pressure of the dust collector is equal to that of the inside of the dust collection bag, prevents floating of the lid during dust-collecting operation and allows incorporating a capture container smoothly into the dust collector without being disturbed by the operation lever. <P>SOLUTION: The dust collection apparatus is constructed so as to recover the dust DS collected by the dust collector 1 into the dust collection bag 30 in the capture container 20 and take the dust collection bag 30 out of the apparatus for disposal. The top-end opening of the dust collection bag 30 is kept opened with a ring 31, and the ring 31 attached to the top-end opening of the dust collection bag 30 is fixed to the bottom surface of the lid and the inside surface of the capture container at specified intervals. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、工場等に設置された各種の工作機械や、作業現場等から発生するダストを収集する集塵装置に関するものであって、具体的には、集塵機によって収集されたダストを、周囲に飛散させることなく捕集容器内の集塵袋に回収して、廃棄処理を容易に行えるように工夫した集塵装置用ダスト回収機構に関するものである。   The present invention relates to a dust collector that collects dust generated from various machine tools installed in factories and the like, and work sites, and more specifically, dust collected by a dust collector around the surroundings. The present invention relates to a dust collection mechanism for a dust collector devised so that it can be collected in a dust collection bag in a collection container without being scattered and easily disposed of.

従来より使用されている集塵装置では、収集したダストを鉄製の堅牢な捕集容器に直接回収して、捕集容器が回収したダストで満杯になったら、ごみ捨て場に行って中のダストを廃棄することにより、空になった捕集容器を再度利用する仕組みに成っていて、一般的には、上記ダストの廃棄処理を専門の産業廃棄物業者に依頼している。   In dust collectors that have been used in the past, collected dust is collected directly into a solid iron collection container, and when the collection container is full of collected dust, you can go to a waste disposal site to remove the dust inside. By discarding, the collection container which has been emptied is reused. In general, a specialized industrial waste contractor is requested to dispose of the dust.

また、上記ダストの廃棄処理を専門の産業廃棄物業者に依頼するには、通常の場合、捕集容器と成るドラム缶等の中に収納されているビニール袋にダストを回収することにより、ドラム缶ごと処分を依頼して、後日ドラム缶を返却してもらう方式が採られている。   In addition, in order to request a specialized industrial waste contractor to dispose of the above dust, the drum can be collected by collecting the dust in a plastic bag stored in a drum can etc., which is a collection container. A system is in place to request disposal and have the drums returned at a later date.

しかし、ダスト回収用の集塵袋をドラム缶等の捕集容器内に収納した場合、集塵機の集塵運転が始まると捕集容器内の圧力が負圧になってしまうため、上記の集塵袋がこの負圧によって圧着状態に変形して、ダストを回収できなくなる問題があった。   However, if the dust collection bag for dust collection is stored in a collection container such as a drum can, the pressure inside the collection container becomes negative when the dust collection operation of the dust collector starts. However, there is a problem that the negative pressure is deformed into a pressure-bonded state and the dust cannot be collected.

また、上記の集塵袋に回収したダストを廃棄処理するには、先ず捕集容器の上面口を覆っていた上蓋（蓋体）を手作業にて開くか、又は、取り外すことによって、捕集容器の上面口を開放し、次いで、捕集容器を集塵機側から取り外す必要があって、作業が非常に煩雑であると共に、これ等煩雑な作業工程中に集塵袋に回収していたダストが外部に飛散してしまう問題もあった。   In addition, in order to dispose of the dust collected in the dust bag, the collection is first performed by manually opening or removing the upper lid (lid) covering the upper surface opening of the collection container. It is necessary to open the top opening of the container and then remove the collection container from the dust collector side, and the work is very complicated, and the dust collected in the dust collection bag during these complicated work steps There was also a problem of splashing outside.

そこで従来は、上記負圧の調整に関しては、例えば特許文献１に記載の「集中型真空集塵装置」に見られるように、集塵機の本体と塵埃収納容器（捕集容器）内を空気ホースで接続して、集塵機と当該容器内に収納されている塵埃収納袋（集塵袋）の内外の圧力を同一に調整していた。また、上蓋の開閉に関しては、特許文献２に記載の「サイクロン式集塵装置」に見られるように、捕集容器の上蓋の開閉を操作レバーで行うようにしていた。
登録実用新案第３０２７７６２号公報 特開２００１−１２１０４０号公報 Therefore, conventionally, with respect to the adjustment of the negative pressure, as seen in, for example, the “centralized vacuum dust collector” described in Patent Document 1, the main body of the dust collector and the inside of the dust storage container (collection container) are air hose. The pressure inside and outside the dust collector and the dust storage bag (dust collection bag) stored in the container was adjusted to be the same. As for the opening and closing of the upper lid, as seen in the “Cyclone dust collector” described in Patent Document 2, the upper lid of the collection container is opened and closed with an operation lever.
Registered Utility Model No. 3027762 JP 2001-121040 A

ところが、上記特許文献１に記載の集塵装置は、集塵機本体と塵埃収納容器との間を空気ホースで接続した構造であるため、構造が複雑化して製造コストが高くなると共に、吸引された空気中に含まれる塵埃を捕集する塵埃捕集手段（集塵機本体）内に、空気ホースに接続された通気管が張り出しているため、吸引されて落下して来る塵埃（ダスト）回収の妨げとなる問題があった。   However, since the dust collector described in Patent Document 1 has a structure in which the dust collector body and the dust container are connected by an air hose, the structure becomes complicated and the manufacturing cost increases, and the sucked air Inside the dust collecting means (dust collector body) that collects the dust contained inside, a vent pipe connected to the air hose is protruding, which hinders the collection of dust that has been sucked and dropped. There was a problem.

更に上記特許文献２に記載のサイクロン式集塵装置は、捕集容器の蓋体を操作レバーで開閉する機能は備わっているものの、集塵運転の開始時には捕集容器内は大気圧状態であるのに対して、集塵機内に負圧に成るため、蓋体が浮き上がってダストが外部に噴出してしまう問題があった。   Furthermore, although the cyclone type dust collector described in Patent Document 2 has a function of opening and closing the lid of the collection container with an operation lever, the inside of the collection container is in an atmospheric pressure state at the start of the dust collection operation. On the other hand, since the negative pressure is generated in the dust collector, there is a problem that the cover body is lifted and dust is ejected to the outside.

加えて、捕集容器を集塵装置より取り外した後、操作レバーをそのまま放置すると、蓋体が下方に降りてしまって、再度捕集容器を集塵装置に取付けて集塵する場合は、その都度操作レバーを手で押し上げる必要があって、操作が著しく煩雑化する問題があった。   In addition, after removing the collection container from the dust collector, if the operation lever is left as it is, the lid will descend downward, and if the collection container is attached to the dust collection device again, The operation lever must be pushed up by hand each time, resulting in a problem that the operation becomes extremely complicated.

従って本発明の技術的課題は、比較的簡単な構造で、且つ、ダストの回収に影響を及ぼさない機構を用いて、集塵機と集塵袋内の負圧が同一と成る条件下で集塵運転を行うことができるように構成すると共に、集塵運転時における蓋体の浮き上がりを防止し、更に、集塵機への捕集容器のセットを操作レバーに邪魔されることなくスムーズに行えるように工夫した集塵装置を提供することである。   Therefore, the technical problem of the present invention is that the dust collection operation is performed under the condition that the negative pressure in the dust collector and the dust bag is the same by using a mechanism that has a relatively simple structure and does not affect the collection of dust. In addition to preventing the lid from lifting during dust collection operation, the collection container can be set to the dust collector smoothly without being interrupted by the operation lever. It is to provide a dust collector.

（１） 上記の技術的課題を解決するために、本発明の請求項１に係る集塵装置用ダスト回収機構は、工場等に設置された工作機械や作業現場等から発生するダストを収集して、捕集容器内の集塵袋に回収した後、この集塵袋を捕集容器内より取り出して廃棄処理するように構成した集塵装置であって、開口された上記捕集容器の上面口を塞ぐ蓋体と、収集されたダストを蓋体に設けた排出口を通して上記捕集容器内の集塵袋に送り込んで回収せしめる排出部と、上記集塵袋の上端口を開口状態に保持することができる環状体と、上記集塵袋の上端口に取付け自在に構成した環状体を、上記捕集容器の内側部に対して、上記蓋体の底面及び捕集容器の内側面との間に夫々間隔を保った状態で据え付けることができる保持具とによって構成したことを特徴としている。 (1) In order to solve the above technical problem, a dust collecting mechanism for a dust collector according to claim 1 of the present invention collects dust generated from a machine tool or a work site installed in a factory or the like. A dust collecting device configured to remove the dust collecting bag from the collecting container and dispose of the dust collecting bag after being collected in the dust collecting bag in the collecting container, the upper surface of the opened collecting container A lid that closes the mouth, a discharge part that collects the collected dust through the discharge port provided in the lid and sends it to the dust bag in the collection container, and the upper end port of the dust bag is kept open An annular body that can be attached to the upper end of the dust bag, and an inner surface of the collection container, and a bottom surface of the lid body and an inner surface of the collection container. It consisted of a holder that can be installed with a space between each It is characterized by a door.

（２） 次に、本発明の請求項２に係る集塵装置用ダスト回収機構は、前記環状体の全体が、前記捕集容器の上部内側に据え付け可能なリング状に形成され、前記保持具が、一方に上記集塵袋の上端口に取付けた環状体に取付け可能な固定具を備え、他方には上記捕集容器の内側面又は外側面に固着可能な固着具を備えると共に、これ等固定具と固着具の間がワイヤー又は紐体等で造った連結体にて連結して構成されていることを特徴としている。 (2) Next, in the dust collection mechanism for a dust collector according to claim 2 of the present invention, the entire annular body is formed in a ring shape that can be installed inside the upper portion of the collection container, and the holder Is provided with a fixture that can be attached to an annular body attached to the upper end of the dust bag on one side, and a fastener that can be secured to the inner or outer side of the collection container on the other side. It is characterized in that the fixing tool and the fixing tool are connected by a connecting body made of a wire or a string.

（３） 次に、本発明の請求項３に係る集塵装置用ダスト回収機構は、前記環状体に取付け可能な固定具がクリップ状の挟持具であり、前記捕集容器の内側面又は外側面に固着可能な固着具が、永久磁石を用いて構成されていることを特徴としている。 (3) Next, in the dust collecting mechanism for a dust collector according to claim 3 of the present invention, the fixture that can be attached to the annular body is a clip-like clamping tool, and the inner surface or the outer side of the collecting container. The fixing tool that can be fixed to the side surface is constituted by using a permanent magnet.

（４） 次に、本発明の請求項４に係る集塵装置用ダスト回収機構は、前記環状体が、前記捕集容器の内部に収納可能で、且つ、下端部の内径を上端部の内径よりも若干大きく形成した自立型の断面略円筒状に形成されると共に、前記クリップ状に形成した固定具が、上記円筒状環状体の内部に収めた前記集塵袋の上端口を、当該円筒状環状体の上端縁に取付けるように構成したことを特徴としている。 (4) Next, in the dust collecting mechanism for a dust collector according to claim 4 of the present invention, the annular body can be housed in the collection container, and the inner diameter of the lower end is set to the inner diameter of the upper end. A self-standing cross section formed slightly larger than the cylindrical shape, and the clip-shaped fixture is connected to the upper end of the dust bag contained in the cylindrical annular body. It is characterized by being configured to be attached to the upper end edge of the ring-shaped annular body.

（５） 次に、本発明の請求項５に係る集塵装置用ダスト回収機構は、前記捕集容器の上面口を塞ぐ蓋体の底面に、前記排出部及び排出口を通して落下して来るダストを前記集塵袋の内部にガイドするガイド筒体を垂設すると共に、このガイド筒体の外側に前記リング状の環状体、又は、前記円筒状環状体の上端部が間隔を開けた状態で配置されることを特徴としている。 (5) Next, the dust collection mechanism for a dust collector according to claim 5 of the present invention is the dust falling through the discharge part and the discharge port on the bottom surface of the lid that closes the upper surface port of the collection container. A guide cylinder that guides the inside of the dust bag is suspended, and the ring-shaped annular body or the upper end of the cylindrical annular body is spaced outside the guide cylinder. It is characterized by being arranged.

（６） また、本発明の請求項６に係る集塵装置用ダスト回収機構は、ダストを収集する集塵機の機体又は集塵機取付台に設けた支点部と、この支点部に回動自在に取付けられた前記捕集容器の蓋体を上下に開閉作動するための蓋体リフト用アームと、蓋体リフト用アームの中間部と、上記蓋体の上部との間を連結する中間連結部材と、上記蓋体リフト用アームの中間部と、その上方部に位置する上記集塵機の機体又は集塵機取付台との間に設けられていて、蓋体リフト用アームによって蓋体が上記捕集容器の上面口を塞いだ状態に降下作動されると、この塞いだ状態を維持できるように構成されたラッチ機構と、当該ラッチ機構による蓋体の閉塞状態を解除することができるラッチ解除レバーと、上記集塵機によって収集されたダストを上記蓋体に設けた排出口を通して上記捕集容器内の集塵袋に送り込むことができる排出部とによって構成したことを特徴としている。 (6) Moreover, the dust collection mechanism for dust collectors according to claim 6 of the present invention is pivotally attached to the fulcrum portion provided on the dust collector body or the dust collector mounting base for collecting the dust, and to the fulcrum portion. A lid lift arm for opening and closing the lid of the collection container up and down, an intermediate portion of the lid lift arm, and an intermediate connecting member for connecting the upper portion of the lid, It is provided between the middle part of the lid lifting arm and the dust collector body or the dust collector mounting base located above the lid lifting arm, and the lid lifts the upper opening of the collection container by the lid lifting arm. Collected by the latch mechanism configured to maintain the closed state when the lowering operation is performed in the closed state, the latch release lever capable of releasing the closed state of the lid body by the latch mechanism, and the dust collector. The dust Is characterized in that through the discharge port provided in the lid is constituted by a discharge unit which can be fed to the dust bag in the collection container.

（７） 更に、本発明の請求項７に係る集塵装置用ダスト回収機構は、前記集塵機の機体又は集塵機取付台に、前記蓋体リフト用アームを上方に回動して、前記蓋体が前記捕集容器の上面口を開放した際に、蓋体リフト用アームをその上方回動位置に保持することができる係止部を設けると共に、前記ダスト送り込み用排出部の中間に伸縮部を設けたことを特徴としている。 (7) Further, in the dust collecting mechanism for dust collector according to claim 7 of the present invention, the lid lifting arm is pivoted upward on the dust collector body or dust collector mounting base so that the lid body is When the upper surface opening of the collection container is opened, a locking portion is provided that can hold the lid lifting arm in the upward rotation position, and an expansion / contraction portion is provided in the middle of the dust feeding discharge portion. It is characterized by that.

上記（１）で述べた手段によれば、ダストを集塵機で収集し、一旦集塵機の下側に設けられた捕集容器内の集塵袋に貯蔵して、その後捕集容器毎廃棄する集塵装置において、捕集容器の内側に収納した集塵袋の上端部を環状体に集塵袋保持具の一端で固着し、他方を捕集容器に固定する。環状体と捕集容器及び容器の蓋体との間には間隔を空け、通気性を持たせて設置する。そのため、集塵袋の内外を集塵機内の圧力と同一にすることができるものであって、その結果、集塵袋が集塵機の吸引時の負圧によって収縮する様な変形が発生しないので、ダストを支障なく回収することを可能にする。   According to the means described in (1) above, dust is collected by a dust collector, stored once in a dust bag in a collection container provided on the lower side of the dust collector, and then discarded for each collection container. In the apparatus, the upper end of the dust bag stored inside the collection container is fixed to the annular body at one end of the dust bag holder, and the other is fixed to the collection container. A space is provided between the annular body and the collection container and the lid of the container so as to provide air permeability. Therefore, the inside and outside of the dust bag can be made the same as the pressure inside the dust collector, and as a result, the dust bag will not be deformed by contracting due to the negative pressure during suction of the dust collector. Can be recovered without problems.

上記（２）で述べた手段によれば、集塵袋はリング状に形成された環状体によってその上端口が開口状態に維持され、また、この環状体はワイヤー又は紐体等で造った連結体から成る保持具によって捕集容器の上部内側に据え付けられるため、捕集容器の内部に落ち込まないように確実に装着されて、集塵機より排出部を通して落下して来るダストを、集塵袋の内部に確実に回収することができると共に、ダストの廃棄時には、上記の保持具を外すことによって集塵袋を容易に捕集容器から取り出して、廃棄することを可能にする。また、保持具や環状体はリサイクルすることができる。   According to the means described in the above (2), the upper end of the dust collection bag is maintained in an open state by an annular body formed in a ring shape, and the annular body is connected with a wire or a string body. Because it is installed inside the upper part of the collection container by a holder made of body, it is securely attached so that it does not fall into the collection container, and dust falling from the dust collector through the discharge part The dust collection bag can be easily taken out from the collection container and discarded by removing the holder when the dust is discarded. Moreover, a holder and an annular body can be recycled.

上記（３）で述べた手段によれば、集塵袋の上端口を環状体に取付けるための固定具が、クリップ状の挟持具によって構成されており、また、捕集容器に固着可能な固着具が永久磁石を用いて構成されているため、捕集容器をドラム缶のような鉄製の容器を用いることにより、ダスト廃棄時の集塵袋の着脱を極めて簡単に、且つ、確実に行うことを可能にすると共に、捕集容器として既製品のドラム缶をそのまま使用することを可能にする。   According to the means described in (3) above, the fixing tool for attaching the upper end of the dust bag to the annular body is constituted by a clip-like clamping tool, and can be fixed to the collection container. Since the tool is composed of permanent magnets, it is very easy and reliable to attach and detach the dust bag when discarding dust by using an iron container such as a drum can. This makes it possible to use a ready-made drum as a collection container.

上記（４）で述べた手段によれば、前記集塵袋を保持する環状体が自立型の断面略円筒状にに構成され、而も、捕集容器よりやや小さめの円筒形に形成されると共に、下端部の内径を上端部の内径よりやや大きく形成されている。従って、満杯になったダストを廃棄する場合、捕集容器内の集塵袋保持具を取り外す操作は、自立型円筒状環状体の下端部内径の方が上端側より大きい関係から、自立型円筒状環状体の内側にダストの入った集塵袋があっても取り出し易くなるため、ダストの廃棄処理を簡単に行うことを可能にする。また、この自立型円筒状環状体もリサイクルが可能であって、ダスト回収の経済性を高めることができる。   According to the means described in (4) above, the annular body that holds the dust bag is formed in a self-supporting cross-sectional substantially cylindrical shape, and is formed in a slightly smaller cylindrical shape than the collection container. At the same time, the inner diameter of the lower end is slightly larger than the inner diameter of the upper end. Therefore, when discarding the full dust, the operation to remove the dust bag holder in the collection container is based on the relationship that the inner diameter of the lower end of the self-supporting cylindrical annular body is larger than that of the upper end. Even if there is a dust collection bag containing dust inside the ring-shaped annular body, it becomes easy to take out the dust, so that it is possible to easily dispose of dust. Moreover, this self-supporting cylindrical annular body can also be recycled, and the economic efficiency of dust recovery can be improved.

上記（５）で述べた手段によれば、捕集容器の蓋体の底面に、排出部を通って落下して来るダストを集塵袋の内部にガイドするためのガイド筒体が設けられているため、集塵機より落下して来るダストの全てを集塵袋内に回収せしめることができるものであって、捕集容器の入口からのダストの飛散を防止できると共に、後述するダスト平滑板の回転に際しても、変形し易い集塵袋の形態を保持して、回収したダストの上面を支障無く平滑化することを可能にする。   According to the means described in the above (5), a guide cylinder is provided on the bottom surface of the lid of the collection container to guide the dust falling through the discharge part to the inside of the dust bag. Therefore, it is possible to collect all the dust falling from the dust collector in the dust collection bag, prevent dust from scattering from the inlet of the collection container, and rotate the dust smooth plate described later. At this time, the shape of the dust bag that is easily deformed is maintained, and the upper surface of the collected dust can be smoothed without any trouble.

上記（６）で述べた手段によれば、蓋体リフト用アームを下方に作動すると、ラッチ機構によって蓋体が捕集容器の上面口を閉じた状態に維持されるため、集塵運転の開始によって集塵機側が負圧になっても、捕集容器内の大気圧で蓋体が押し上げられて開いてしまうことがなく、また、集塵運転時に間違えて蓋体リフト用アームを上方に回動して蓋体を開いてしまう失敗も防止できるものであって、従って、集塵運転の開始時に蓋体が不用意に開いてダストが噴出する問題を解決することができる。更に、上記ラッチ機構による蓋体の閉塞状態は、ラッチ解除レバーの操作によって簡単に解除できるため、必要に応じて蓋体の開放を可能にする一方、蓋体リフト用アームの上下回動による蓋体の開閉時には、排出筒の伸縮部が追従して伸縮するため、蓋体の開閉を支障無く行うことができる。   According to the means described in the above (6), when the lid lifting arm is actuated downward, the lid is maintained in a state where the upper surface of the collection container is closed by the latch mechanism, so that the dust collecting operation is started. This prevents the lid from being pushed up and opened by the atmospheric pressure in the collection container even if the dust collector becomes negative, and the lid lift arm is accidentally rotated upward during the dust collection operation. Therefore, the failure of opening the lid can be prevented, and therefore, the problem that the lid is inadvertently opened and dust is ejected at the start of the dust collection operation can be solved. Furthermore, the closed state of the lid body by the latch mechanism can be easily released by operating the latch release lever, so that the lid body can be opened if necessary, while the lid lift arm is turned up and down. When the body is opened and closed, the expansion and contraction part of the discharge cylinder follows and expands and contracts, so that the lid can be opened and closed without any trouble.

上記（７）で述べた手段によれば、ダストの廃棄に際して、持ち上げ回動して蓋体を開放せしめた蓋体リフト用アームを、係止部が上方に回動した位置に保持するため、次回セット時には、その状態から蓋体リフト用アームを係止部から外すだけで、捕集容器に蓋体を被せることを可能にする。   According to the means described in the above (7), when the dust is discarded, the lid lifting arm that is lifted and rotated to open the lid is held at the position where the locking portion is rotated upward. At the time of the next setting, it is possible to cover the collection container with the lid simply by removing the lid lifting arm from the locking portion.

以上述べた次第で、本発明に係る集塵装置用ダスト回収機構によれば、ドラム缶等を用いた捕集容器の内部に収納するダスト回収用集塵袋と、集塵機の双方の内部の負圧を、集塵袋の上端口を環状体に取付け、且つ、この環状体を捕集容器の上面口を塞ぐ蓋体の底面、及び、捕集容器の内側面との間に夫々間隔を保った状態で据え付けるという比較的簡単で、且つ、低コストにて実現可能な機構（手段）によって同一に調整して、集塵運転時における集塵袋の変形を防止できる利点を備えた集塵装置を提供することができる。   As described above, according to the dust collection mechanism for a dust collector according to the present invention, the negative pressure inside the dust collection bag for collecting dust and the dust collector inside the collection container using a drum can etc. The upper end opening of the dust bag is attached to the annular body, and the annular body is kept at a space between the bottom surface of the lid that closes the upper surface opening of the collection container and the inner surface of the collection container. A dust collector that has the advantage of preventing deformation of the dust bag during dust collection operation by adjusting the same by a mechanism (means) that can be installed in a relatively simple and low-cost manner Can be provided.

更に本発明によれば、集塵運転時に捕集容器の蓋体が浮き上がる問題を解決でき、且つ、集塵機に対する捕集容器のセット作業をレバーやハンドル等に邪魔されずに円滑に行うことができる利点も備えるものであって、構成が簡単で実施が容易な点と相俟って、各種工場や作業現場等で使用される集塵装置として、頗る好適なものである。   Furthermore, according to the present invention, it is possible to solve the problem that the lid of the collection container is lifted during the dust collection operation, and it is possible to smoothly perform the setting operation of the collection container with respect to the dust collector without being obstructed by the lever or the handle. It also has advantages, and it is suitable as a dust collecting device used in various factories, work sites, etc. in combination with a simple configuration and easy implementation.

以下に、上述した本発明に係る集塵装置用ダスト回収機構の実施の形態を図面と共に説明すると、図１は集塵装置全体の正面図、図２は側断面図であって、これ等の図面において、１は集塵機、１０はこの集塵機１を所定の高さに支持する集塵機取付台で、集塵機１にはダストを含んだ含塵気流の吸込口２と、モータ６Ｍによって回転する集塵用ファン６及び排気口３Ａを備えたファン室３と、衝突板４と、フイルタ５が設けられ、集塵機取付台１０には下端部に移動用のキャスター１０Ｔを備えた計４本の支持脚１０Ａ…を有している。   The embodiment of the dust collecting mechanism for a dust collector according to the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the entire dust collector, and FIG. 2 is a side sectional view. In the drawings, 1 is a dust collector, and 10 is a dust collector mounting base that supports the dust collector 1 at a predetermined height. The dust collector 1 has a dust-containing airflow inlet 2 containing dust and a dust collector that is rotated by a motor 6M. A fan chamber 3 having a fan 6 and an exhaust port 3A, a collision plate 4 and a filter 5 are provided, and the dust collector mounting base 10 has a total of four support legs 10A each having a moving caster 10T at the lower end. have.

２０はドラム缶等の金属製容器から成る捕集容器、２１は捕集容器２０の上面口２０Ｈ（図３、図５、図７参照）を塞ぐ蓋体、３０は当該捕集容器２０の内部に収納した例えばビニール袋のような集塵袋、ＤＳはこの集塵袋３０に回収されたダストで、前記集塵機１で捕集されたダストＤＳは、集塵機１の底面と上記蓋体２１の間を結ぶ排出筒１１を通って、上記集塵袋３０の内部に回収される仕組みに成っている。   20 is a collection container made of a metal container such as a drum, 21 is a lid that closes the upper surface opening 20H (see FIGS. 3, 5, and 7) of the collection container 20, and 30 is inside the collection container 20. The stored dust collection bag such as a plastic bag, DS is the dust collected in the dust collection bag 30, and the dust DS collected by the dust collector 1 passes between the bottom surface of the dust collector 1 and the lid 21. It passes through the discharge cylinder 11 to be connected and is collected in the dust bag 30.

尚、図１及び図２に示した排出筒１１において、１２はその下端部に連設した伸縮自在な蛇腹部、２１Ｔはこの蛇腹部１２の下端部に連通接続させるために、蓋体２１の上面に突設した接続筒を示し、更に、図２に示した断面図において、１Ｈは集塵機１の底面に開口した落下口、１１Ｈは上記排出筒１１の上端に開口されたダストの入口、２１Ｈは上記接続筒２１Ｔに設けたダストの排出口を示す。   In the discharge cylinder 11 shown in FIGS. 1 and 2, 12 is an expandable / contractible bellows portion connected to the lower end portion thereof, and 21T is connected to the lower end portion of the bellows portion 12 so as to communicate with the lower end portion. 2 shows a connecting cylinder projecting from the upper surface, and in the cross-sectional view shown in FIG. 2, 1H is a drop opening opened at the bottom of the dust collector 1, 11H is a dust inlet opened at the upper end of the discharge cylinder 11, and 21H Indicates a dust outlet provided in the connecting cylinder 21T.

次に、上記集塵袋３０を捕集容器２０の内部に装着するための構成を、上述した図２と、図３に示した要部の拡大断面図の記載に従って説明する。これ等の図面において、３１は全体を図４に示した拡大図に示すようにリング状に形成したプラスチック製又は金属製の環状体であって、このリング状の環状体３１を集塵袋３０の上端口に取付けることによって、集塵袋３０の入口が開口状態に維持される仕組みに成っている。   Next, a configuration for mounting the dust bag 30 inside the collection container 20 will be described in accordance with the description of FIG. 2 described above and the enlarged sectional view of the main part shown in FIG. In these drawings, reference numeral 31 denotes an annular body made of plastic or metal formed in a ring shape as shown in the enlarged view shown in FIG. By attaching to the upper end port of the dust collecting bag 30, the entrance of the dust bag 30 is maintained in an open state.

リング状環状体３１の直径は、捕集容器２０の上面口２０Ｈよりも若干小さく造られていて、このリング状環状体３１に対して集塵袋３０の上端口を複数個のクリップ状固定具３２…を用いて間隔的に挟持せしめることにより、リング状環状体３１に集塵袋３０が開口状態に取付けられる。   The diameter of the ring-shaped annular body 31 is made slightly smaller than the upper surface opening 20H of the collection container 20. The upper end of the dust bag 30 is connected to the ring-shaped annular body 31 with a plurality of clip-shaped fixtures. The dust collecting bag 30 is attached to the ring-shaped annular body 31 in an open state by being sandwiched at intervals using 32.

更に図中、３４はワイヤーや紐等の連結体３３を介して上記固定具３２に連結した内側面用の固着具、３５は同じく連結体３６を介して上記の固着具３４に連結した外側面用の固着具を示す。これ等の各固着具３４，３５は各固定具３２ごとに設けられていて、図３に示すようにこれ等内外の固着具３４，３５を、内部に取付けた永久磁石３４Ｓ，３５Ｓを用いて金属製捕集容器２０の内外両側面に夫々吸着することにより、リング状環状体３１が捕集容器２０における上面口２０Ｈの内側に吊下げ状態に支持され、その結果、集塵袋３０が図２並びに図３の如く捕集容器２０の内部に開口状態に、且つ、交換自在に収納される仕組みに成っている。尚、図３では内外２つの固着具３４，３５を用いて固定具３２を捕集容器２０に取付けているが、これを内外いずれか一方の固着具３４又は３５のみで取付けるようにしてもよく、その選択は任意とする。   Further, in the figure, 34 is an inner surface fixing tool connected to the fixing tool 32 through a connecting body 33 such as a wire or a string, and 35 is an outer surface connected to the fixing tool 34 through the connecting body 36. The fixing tool for use is shown. These fixing tools 34 and 35 are provided for each fixing tool 32, and as shown in FIG. 3, these inner and outer fixing tools 34 and 35 are used by using permanent magnets 34S and 35S attached inside. By adsorbing to both the inner and outer side surfaces of the metal collection container 20, the ring-shaped annular body 31 is supported in a suspended state inside the upper surface opening 20 </ b> H in the collection container 20, and as a result, the dust collection bag 30 is shown in FIG. 2 and FIG. 3, the collection container 20 is open and exchangeable. In FIG. 3, the fixing tool 32 is attached to the collection container 20 using the inner and outer two fixing tools 34, 35. However, the fixing tool 32 may be attached only to either the inner or outer fixing tool 34 or 35. The selection is arbitrary.

図３において符号３２Ｘで全体的に示したのは、上述した固定具３２と連結体３３，３６、及び、固着具３４，３５によって構成された保持具であって、上述した集塵袋３０は、これ等の保持具３２Ｘと前述したリング状環状体３１によって、捕集容器２０の内側部に対して、上記蓋体２１の底面及び捕集容器２０の内側面との間に夫々間隔を保った状態、即ち、通気性を保った状態で据え付けることができるものであって、その結果、集塵袋３０の内外を集塵機１内の圧力と同一にして、集塵袋３０が集塵機１の吸引時の負圧によって収縮変形することを防止している。尚、上記のリング状環状体３１と保持具３２Ｘは、いずれもリサイクルが可能であることは勿論である。   In FIG. 3, reference numeral 32X generally indicates a holding tool constituted by the fixing tool 32, the coupling bodies 33 and 36, and the fixing tools 34 and 35. The holder 32X and the ring-shaped annular body 31 described above maintain a gap between the bottom surface of the lid 21 and the inner side surface of the collection container 20 with respect to the inner side of the collection container 20. In other words, the dust bag 30 can be installed in a state where air permeability is maintained. As a result, the inside and outside of the dust bag 30 are made the same as the pressure in the dust collector 1, and the dust bag 30 is sucked by the dust collector 1. Prevents contraction and deformation due to negative pressure. Of course, both the ring-shaped annular body 31 and the holder 32X can be recycled.

また、図５において５０は前記請求項４に記載した自立型の円筒状環状体を示す。例えば網目体又はパンチメタル等を用いて全体を軽量に、また、リサイクル可能に造ったこの環状体５０は、図示の如く捕集容器２０の内部に収納可能で、且つ、下端部の内径を上端部の内径よりも若干大きく形成した自立型の断面略円筒状に形成されていて、捕集容器２０の内部に収めたこの自立型円筒状環状体５０の内側に集塵袋３０を収納し、且つ、この集塵袋３０の上端口を、複数のクリップ状固定具３２…によって上記環状体５０の上端縁に間隔的に挟持固定することにより、集塵袋３０が前記図２と図３で説明した同じ条件、即ち、蓋体２１の底面及び捕集容器２０の内側面との間に夫々間隔を保った状態で、捕集容器２０の内部に収納される仕組みに成っている。   In FIG. 5, reference numeral 50 denotes the self-supporting cylindrical annular body described in claim 4. For example, this annular body 50 made of a mesh body or punch metal, etc., is made lightweight and recyclable. The annular body 50 can be stored in the collection container 20 as shown in the figure, and the inner diameter of the lower end is the upper end. A self-supporting cross-section formed in a substantially cylindrical shape slightly larger than the inner diameter of the portion, and the dust bag 30 is housed inside the self-supporting cylindrical annular body 50 housed inside the collection container 20; Further, the upper end port of the dust bag 30 is sandwiched and fixed to the upper edge of the annular body 50 by a plurality of clip-shaped fixtures 32. The same condition as described above, that is, the mechanism is configured to be housed in the collection container 20 with a space between the bottom surface of the lid 21 and the inner surface of the collection container 20.

更に図中、３０Ｔは前記請求項５に記載のガイド筒体であって、上記蓋体２１の底面に下方に向けて垂設されたこのガイド筒体３０Ｔは、蓋体２１の排出口２１Ｈから下側に向けて排出されるダストＤＳを、周囲に飛散させることなく全て集塵袋３０の内部に落とし込むことができる。   Further, in the figure, 30T is the guide cylinder according to claim 5, and this guide cylinder 30T suspended downward from the bottom surface of the lid 21 is connected to the discharge port 21H of the lid 21. All the dust DS discharged toward the lower side can be dropped into the dust bag 30 without being scattered around.

次に、図２並びに図６、図７において、１３は集塵機１又は集塵機取付台１０に設けたブラケット、１５は根端部を軸１４を用いてこのブラケット１３の下端部に上下回動自在に取付けた蓋体リフト用アーム、１６はこのアーム１５の中間部と、上記蓋体２１の上面に設けた取付けフレーム２１Ｋの間に取付けた長さ調節自在な中間連結部材、１５Ｋは左右に並設した上記蓋体リフト用アーム１５，１５（図１参照）の先端部間に架設した操作用グリップ軸で、このグリップ軸１５Ｋを握って、左右の蓋体リフト用アーム１５，１５を図６の状態から図７の状態に上方に持ち上げ（押し上げ）回動すると、捕集容器２０の上面口２０Ｈを塞いでいた蓋体２１を、中間連結部材１６が図７の如く上方に引き上げて上面口２０Ｈを開放する仕組みに成っている。   Next, in FIGS. 2, 6, and 7, reference numeral 13 denotes a bracket provided on the dust collector 1 or the dust collector mounting base 10, and 15 denotes a root end portion that can be pivoted up and down to the lower end portion of the bracket 13 using a shaft 14. An attached lid lifting arm, 16 is an intermediate connecting member of adjustable length attached between an intermediate portion of the arm 15 and an attachment frame 21K provided on the upper surface of the lid 21, and 15K is arranged side by side. The grip lift shaft 15K is gripped by the operation grip shaft laid between the distal ends of the lid lift arms 15 and 15 (see FIG. 1), and the left and right lid lift arms 15 and 15 are shown in FIG. When the state is lifted upward (pushed up) from the state to the state of FIG. 7, the lid 21 that has blocked the upper surface opening 20H of the collection container 20 is lifted upward by the intermediate connecting member 16 as shown in FIG. To release It is made.

更に図中、１７Ａと１７Ｂは、前記請求項６に記載されているラッチ機構を構成する第１リンク体と第２リンク体で、下端部を上記蓋体リフト用アーム１５の中間部に回動自在に取付けた第１リンク体１７Ａの上端部と、上端部を上記集塵機取付台１０側に回動自在に取付けた第２リンク体１７Ｂの下端部とを、軸１７Ｃで回動自在に連結して構成したこのラッチ機構は、図６の如く蓋体リフト用アーム１５を下方に回動して、捕集容器２０の上面口２０Ｈを蓋体２１が塞いだ（閉じた）状態の時は、両リンク体１７Ａ，１７Ｂが伸張状態に保持されて、蓋体リフト用アーム１５の上方への回動が制止されるため、蓋体２１を閉じた状態に維持（ロック）することができる。   Further, in the drawing, 17A and 17B are a first link body and a second link body constituting the latch mechanism described in claim 6, and the lower end portion is rotated to the intermediate portion of the lid lifting arm 15. An upper end portion of the first link body 17A that is freely attached and a lower end portion of the second link body 17B that is rotatably attached to the dust collector mounting base 10 side are rotatably connected by a shaft 17C. In this latch mechanism, the lid lift arm 15 is pivoted downward as shown in FIG. 6, and the lid 21 closes (closes) the upper opening 20H of the collection container 20. Since both link bodies 17A and 17B are held in the extended state and the upward rotation of the lid lift arm 15 is stopped, the lid body 21 can be maintained (locked) in the closed state.

しかし、ラッチ解除レバー１７を用いて両リンク体１７Ａ，１７Ｂを第７図の如く略く字状に屈折すると、ロック（制止）が外れて蓋体リフト用アーム１５を上方へ回動することが可能に成るため、蓋体２１を上昇して捕集容器２０の上面口２０Ｈを開放できるものであって、その結果、捕集容器２０を集塵機取付台１０の下側より外部に取り出したり、或いは、集塵機取付台１０をキャスター１０Ｔ…を利用して捕集容器２０の上側部より移動したりして、内部の集塵袋３０に回収したダストＤＳの廃棄処理を行うことができる。   However, if both the link bodies 17A and 17B are refracted into a substantially square shape as shown in FIG. 7 using the latch release lever 17, the lock (restraint) is released and the lid lifting arm 15 can be rotated upward. Therefore, the lid 21 can be lifted to open the upper surface opening 20H of the collection container 20, and as a result, the collection container 20 can be taken out from the lower side of the dust collector mounting base 10, or The dust collector mounting base 10 can be moved from the upper side of the collection container 20 using the casters 10T, and the waste DS collected in the internal dust collection bag 30 can be discarded.

また、図中４０は、上方に回動した蓋体リフト用アーム１５の操作用グリップ軸１５Ｋを引っ掛けることにより、蓋体リフト用アーム１５を図７の如く上方回動位置に係止することができる係止部を示す。更に図１において、１９はフイルタ交換表示灯１９Ａとダスト満杯表示灯１９Ｂとパイロットトランプ１９Ｃと操作スイッチ１９Ｓとを備える制御盤、７は集塵機１の内底部に設けたダスト排出用の回転バーで、７Ｍはその回転用モータ、２２は蓋体２１に取付けたダスト満杯検知用センサで、２２Ａはその検知用回転羽根、２３Ａはダスト平滑用バーで、２３はその回転用モータを示す。   Reference numeral 40 in the drawing indicates that the lid lift arm 15 can be locked at the upward rotation position as shown in FIG. 7 by hooking the operation grip shaft 15K of the lid lift arm 15 rotated upward. The locking part which can be shown is shown. Further, in FIG. 1, 19 is a control panel including a filter replacement indicator lamp 19A, a dust full indicator lamp 19B, a pilot playing card 19C and an operation switch 19S, and 7 is a dust discharge rotating bar provided at the inner bottom of the dust collector 1. 7M is a rotation motor, 22 is a dust full detection sensor attached to the lid 21, 22A is a detection rotary blade, 23A is a dust smoothing bar, and 23 is the rotation motor.

本発明の実施例に係る集塵装置の集塵運転時の状態を示した正面図。The front view which showed the state at the time of the dust collection driving | operation of the dust collector which concerns on the Example of this invention. 本発明の実施例に係る集塵装置の集塵運転時の状態を示した側断面図。The side sectional view showing the state at the time of dust collection operation of the dust collector concerning the example of the present invention. 本発明の要部を拡大して示した断面図。Sectional drawing which expanded and showed the principal part of this invention. リング状環状体の斜視図。The perspective view of a ring-shaped annular body. 本発明の実施例である自立型環状体の使用例を説明した断面図。Sectional drawing explaining the usage example of the self-supporting annular body which is an Example of this invention. 蓋体を閉じた状態を示した本発明の側面図。The side view of this invention which showed the state which closed the cover body. 蓋体を開いた状態を示した本発明の側面図。The side view of this invention which showed the state which opened the cover body.

符号の説明Explanation of symbols

１ 集塵機
５ フイルタ
１０ 集塵機取付台
１１ 排出筒
１２ 伸縮部（蛇腹部）
１５ 蓋体リフト用アーム
１５Ｋ 操作用グリップ軸
１６ 中間連結部材
１７ ラッチ解除レバー
１７Ａ，１７Ｂ リンク体
２０ 捕集容器
２０Ｈ 上面口
２１ 蓋体
２１Ｈ 排出口
３０ 集塵袋
３０Ｔ ガイド筒体
３１ 環状体（リング体）
３２ 固定具（クリップ）
３２Ｘ 保持具
３３，３６ 連結体
３４，３５ 固着具
３４Ｓ，３５Ｓ 永久磁石
４０ 係止部
５０ 自立型円筒状環状体
５０Ｘ 上端縁
ＤＳ ダスト DESCRIPTION OF SYMBOLS 1 Dust collector 5 Filter 10 Dust collector mounting base 11 Discharge cylinder 12 Telescopic part (bellows part)
15 Lid Lift Arm 15K Operation Grip Shaft 16 Intermediate Connecting Member 17 Latch Release Lever 17A, 17B Link Body 20 Collection Container 20H Top Port 21 Lid 21H Discharge Port 30 Dust Collection Bag 30T Guide Tube 31 Ring (Ring) body)
32 Fixing device (clip)
32X Holder 33, 36 Linked body 34, 35 Fastener 34S, 35S Permanent magnet 40 Locking part 50 Self-standing cylindrical annular body 50X Upper edge DS Dust

Claims (7)

工場等に設置された工作機械や作業現場等から発生するダストを収集して、捕集容器内の集塵袋に回収した後、この集塵袋を捕集容器内より取り出して廃棄処理するように構成した集塵装置であって、
開口された上記捕集容器の上面口を塞ぐ蓋体と、
収集されたダストを蓋体に設けた排出口を通して上記捕集容器内の集塵袋に送り込んで回収せしめる排出部と、
上記集塵袋の上端口を開口状態に保持することができる環状体と、
上記集塵袋の上端口に取付け自在に構成した環状体を、上記捕集容器の内側部に対して、上記蓋体の底面及び捕集容器の内側面との間に夫々間隔を保った状態で据え付けることができる保持具とによって構成したことを特徴とする集塵装置用ダスト回収機構。 Collect dust generated from machine tools installed at factories, work sites, etc., collect it in a dust bag in the collection container, and then remove the dust bag from the collection container and dispose of it. A dust collector configured in
A lid for closing the upper surface mouth of the opened collection container;
A discharge unit for collecting and collecting collected dust through a discharge port provided in the lid to the collection bag in the collection container;
An annular body capable of holding the upper end of the dust bag in an open state;
A state in which an annular body configured to be freely attachable to the upper end port of the dust bag is kept spaced between the bottom surface of the lid and the inner surface of the collection container with respect to the inner side of the collection container. A dust collecting mechanism for a dust collector, characterized by comprising a holder that can be installed with 前記環状体の全体が、前記捕集容器の上部内側に据え付け可能なリング状に形成され、前記保持具が、一方に上記集塵袋の上端口に取付けた環状体に取付け可能な固定具を備え、他方には上記捕集容器の内側面又は外側面に固着可能な固着具を備えると共に、これ等固定具と固着具の間がワイヤー又は紐体等で造った連結体にて連結して構成されていることを特徴とする請求項１に記載の集塵装置用ダスト回収機構。   The whole annular body is formed in a ring shape that can be installed inside the upper part of the collection container, and the holding tool has a fixing tool that can be attached to the annular body attached to the upper end of the dust bag on one side. The other is provided with a fixing tool that can be fixed to the inner side surface or the outer side surface of the collection container, and the fixing tool and the fixing tool are connected by a connecting body made of a wire or a string. It is comprised, The dust collection | recovery mechanism for dust collectors of Claim 1 characterized by the above-mentioned. 前記環状体に取付け可能な固定具がクリップ状の挟持具であり、前記捕集容器の内側面又は外側面に固着可能な固着具が、永久磁石を用いて構成されていることを特徴とする請求項２に記載の集塵装置用ダスト回収機構。   The fixing tool that can be attached to the annular body is a clip-shaped holding tool, and the fixing tool that can be fixed to the inner surface or the outer surface of the collection container is configured using a permanent magnet. The dust collection mechanism for a dust collector according to claim 2. 前記環状体が、前記捕集容器の内部に収納可能で、且つ、下端部の内径を上端部の内径よりも若干大きく形成した自立型の断面略円筒状に形成されると共に、前記クリップ状に形成した固定具が、上記円筒状環状体の内部に収めた前記集塵袋の上端口を、当該円筒状環状体の上端縁に取付けるように構成したことを特徴とする請求項１に記載の集塵装置用ダスト回収機構。   The annular body can be housed in the collection container, and is formed in a self-supporting cross-sectional substantially cylindrical shape in which the inner diameter of the lower end portion is slightly larger than the inner diameter of the upper end portion, and in the clip shape. The formed fixture is configured to attach an upper end port of the dust bag contained in the cylindrical annular body to an upper end edge of the cylindrical annular body. Dust collection mechanism for dust collectors. 前記捕集容器の上面口を塞ぐ蓋体の底面に、前記排出部及び排出口を通して落下して来るダストを前記集塵袋の内部にガイドするガイド筒体を垂設すると共に、このガイド筒体の外側に前記リング状の環状体、又は、前記円筒状環状体の上端部が間隔を開けた状態で配置されることを特徴とする請求項１、２、３又は４に記載の集塵装置用ダスト回収機構。   A guide cylinder for guiding dust falling through the discharge part and the discharge port to the inside of the dust bag is suspended from the bottom surface of the lid that closes the upper surface opening of the collection container. 5. The dust collector according to claim 1, wherein the ring-shaped annular body or the upper end portion of the cylindrical annular body is disposed at a distance from the outside of the ring-shaped annular body. Dust recovery mechanism. ダストを収集する集塵機の機体又は集塵機取付台に設けた支点部と、この支点部に回動自在に取付けられた前記捕集容器の蓋体を上下に開閉作動するための蓋体リフト用アームと、蓋体リフト用アームの中間部と、上記蓋体の上部との間を連結する中間連結部材と、上記蓋体リフト用アームの中間部と、その上方部に位置する上記集塵機の機体又は集塵機取付台との間に設けられていて、蓋体リフト用アームによって蓋体が上記捕集容器の上面口を塞いだ状態に降下作動されると、この塞いだ状態を維持できるように構成されたラッチ機構と、当該ラッチ機構による蓋体の閉塞状態を解除することができるラッチ解除レバーと、上記集塵機によって収集されたダストを上記蓋体に設けた排出口を通して上記捕集容器内の集塵袋に送り込むことができる排出部とによって構成したことを特徴とする請求項１、２、３、４又は５に記載の集塵装置用ダスト回収機構。     A fulcrum portion provided on a dust collector body or a dust collector mounting base for collecting dust, and a lid lift arm for opening and closing the lid of the collection container rotatably attached to the fulcrum portion; , An intermediate connecting member for connecting the intermediate part of the lid lifting arm and the upper part of the lid, the intermediate part of the lid lifting arm, and the dust collector body or the dust collector located above the intermediate part It is provided between the mounting base and is configured to be able to maintain the closed state when the lid is lowered by the lid lifting arm so as to block the upper surface opening of the collection container. A dust collection bag in the collection container through a latch mechanism, a latch release lever capable of releasing the closed state of the lid by the latch mechanism, and a dust collection port by which the dust collected by the dust collector is provided in the lid To send Dust collector dust collecting mechanism of claim 1, 2, 3, 4 or 5, characterized by being configured by the discharge section capable. 前記集塵機の機体又は集塵機取付台に、前記蓋体リフト用アームを上方に回動して、前記蓋体が前記捕集容器の上面口を開放した際に、蓋体リフト用アームをその上方回動位置に保持することができる係止部を設けると共に、前記ダスト送り込み用排出部の中間に伸縮部を設けたことを特徴とする請求項１、２、３、４、５又は６に記載の集塵装置用ダスト回収機構。   When the lid lifting arm is pivoted upward on the dust collector body or dust collector mounting base so that the lid opens the top opening of the collection container, the lid lifting arm is rotated upward. The locking portion that can be held in a moving position is provided, and an expansion / contraction portion is provided in the middle of the dust feeding discharge portion, according to claim 1, 2, 3, 4, 5, or 6. Dust collection mechanism for dust collectors.
JP2006082686A 2006-03-24 2006-03-24 Dust collector with dust recovery mechanism Expired - Fee Related JP4789668B2 (en)

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