JP2007210078A

JP2007210078A - Grinder

Info

Publication number: JP2007210078A
Application number: JP2006034248A
Authority: JP
Inventors: Nobuhito Hosokawa; 信仁細川
Original assignee: Hitachi Koki Co Ltd
Current assignee: Koki Holdings Co Ltd
Priority date: 2006-02-10
Filing date: 2006-02-10
Publication date: 2007-08-23

Abstract

<P>PROBLEM TO BE SOLVED: To provide a grinder having a dust collecting adapter which reduces frequency of maintenance of a dust collector and a dust collecting hose, improves availability factor of the dust collector, and also reduces the number of devices and labor necessary for recovery and separation of magnetic materials including iron, to be recycled, by separating and collecting the magnetic materials including iron to the maximum extent possible in a stage before entry of dust into the dust collecting hose. <P>SOLUTION: The grinder has an abrasive wheel 1 rotated by a driving force from a motor (not shown), a abrasive wheel guard 3 covering the abrasive wheel 1, a hood 5 arranged on the abrasive wheel guard 3, for collecting dust occurring during grinding, the dust collecting hose 7 connected to the hood 5, and the dust collector 6 connected to the hood 5 via the dust collecting hose 7, on a side opposite to the hood 5. Herein the hood has a magnetic material applied to a surface thereof. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、ディスクグラインダ等の研削機に取りつけられ、研削時に発生する粉塵を分離収集する集塵アダプタを有する研削機に関するものである。 The present invention relates to a grinding machine having a dust collecting adapter that is attached to a grinding machine such as a disk grinder and separates and collects dust generated during grinding.

従来の集塵アダプタを図４を用いて説明する。なお図４において、集塵アダプタ１２の一点鎖線で示す中心線より上方は断面図である。 A conventional dust collecting adapter will be described with reference to FIG. In FIG. 4, a portion above the center line indicated by a one-dot chain line of the dust collecting adapter 12 is a cross-sectional view.

集塵アダプタ１２はディスクグラインダ等の研削機２に取りつけられる。研削機２は図示せぬモータからの駆動力により回転される円盤砥石１を有し、円盤砥石１のほぼ半分を覆う形状をした砥石ガード3が設けられている。集塵アダプタ１２は砥石ガード３への着脱部４、研削作業中に発生する粉塵を効果的に捕集するためのフード5、集塵機6から引き出された集塵ホース7を接続させるためのアダプタ部８を有している。 The dust collecting adapter 12 is attached to a grinding machine 2 such as a disc grinder. The grinding machine 2 has a disc grindstone 1 that is rotated by a driving force from a motor (not shown), and a grindstone guard 3 having a shape that covers almost half of the disc grindstone 1 is provided. The dust collecting adapter 12 is an attaching / detaching portion 4 for the grindstone guard 3, a hood 5 for effectively collecting dust generated during grinding work, and an adapter portion for connecting a dust collecting hose 7 drawn from the dust collector 6. 8.

研削機２を使用して研削作業を開始すると粉塵が発生する。そのため作業者は、研削作業開始前に砥石ガード3に着脱部4を取付け、集塵ホース7をアダプタ部８に取付け、集塵機６を起動させておく。研削作業により発生した粉塵は、円盤砥石１の外周に飛散するが飛散した粉塵は、フード５により吸引されて捕集され、フード５の内周に沿ってアダプタ部８に到達し、集塵機６の吸引力により集塵ホース７の内部を移動して集塵機６に回収される。 When the grinding operation is started using the grinding machine 2, dust is generated. Therefore, the worker attaches the detachable part 4 to the grindstone guard 3 before starting the grinding work, attaches the dust collecting hose 7 to the adapter part 8, and starts the dust collector 6. The dust generated by the grinding operation is scattered on the outer periphery of the disc grindstone 1, but the scattered dust is sucked and collected by the hood 5, reaches the adapter section 8 along the inner periphery of the hood 5, and the dust collector 6 The inside of the dust collecting hose 7 is moved by the suction force and collected by the dust collector 6.

特開平９−１４８１３０号公報JP-A-9-148130 特開平７−２４１４１８号公報JP-A-7-241418

上記した図４に示す従来の集塵アダプタ１２では鉄などの磁性物質を研削した場合、作業現場のほこりなどによる粉塵と、鉄などの磁性物質を研削したことにより発生する磁性物質が区別されずに集塵機６に回収される。さらに、集塵ホース７が長く、その経路に高低差が大きい場合は、重い鉄などの磁性物質が局所に堆積するため、集塵機6の吸引力を低下させたり、集塵ホース７の保守が頻繁に必要になる等の欠点があった。 In the conventional dust collecting adapter 12 shown in FIG. 4 described above, when a magnetic material such as iron is ground, there is no distinction between dust caused by dust at the work site and a magnetic material generated by grinding the magnetic material such as iron. And collected in the dust collector 6. Furthermore, if the dust collection hose 7 is long and there is a large difference in height in its path, magnetic substances such as heavy iron accumulate locally, so the suction force of the dust collector 6 is reduced and maintenance of the dust collection hose 7 is frequent. There were drawbacks such as that required.

また、集塵機６に集積された粉塵や鉄などの磁性物質から、磁性物質のみを取り出してリサイクルする場合がある。このような場合、従来の集塵アダプタ１２では、大量に集積した粉塵を分別処理するために大きな装置や手間が必要となる等の欠点があった。 In some cases, only the magnetic substance is taken out from the magnetic substance such as dust or iron accumulated in the dust collector 6 and recycled. In such a case, the conventional dust collecting adapter 12 has a drawback that a large apparatus and labor are required to separate a large amount of accumulated dust.

本発明の目的は、上記従来の欠点を解消し、集塵ホースに入る前の段階で、できる限り多くの鉄などの磁性物質を分別集塵することで、集塵機と集塵ホースの保守の頻度を低下し、集塵機の稼働率を上げると共に、リサイクルにまわす鉄などの磁性物質の回収と分別に必要な装置や手間を低減できる集塵アダプタを提供することである。 The object of the present invention is to eliminate the above-mentioned conventional drawbacks and separate and collect as much magnetic material as iron as possible before entering the dust collecting hose, thereby maintaining the frequency of maintenance of the dust collector and the dust collecting hose. It is to provide a dust collecting adapter that can reduce the apparatus and labor required for collecting and separating magnetic materials such as iron for recycling, while increasing the operating rate of the dust collector.

上記目的は、モータからの駆動力により回転される砥石と、該砥石を覆う砥石ガードと、
該砥石ガードに設けられ研削時に発生する粉塵を捕集するフードと、該フードに接続された集塵ホースと、該フードとは該集塵ホースを介して反対側に接続された集塵機と、を有する研削機において前記フード表面に磁性体を設けたことを特徴とする研削機。 The above purpose is a grindstone that is rotated by a driving force from a motor, a grindstone guard that covers the grindstone,
A hood provided on the grindstone guard for collecting dust generated during grinding, a dust collecting hose connected to the hood, and a dust collector connected to the opposite side of the hood via the dust collecting hose, A grinding machine comprising a magnetic body on the hood surface.

本発明によれば、集塵ホースに入る前の段階で、できる限り多くの鉄などの磁性物質を分別集塵することで、集塵機と集塵ホースの保守の頻度を低下し、集塵機の稼働率を上げると共に、リサイクルにまわす鉄などの磁性物質の回収と分別に必要な装置や手間を低減できる集塵アダプタを有する研削機を提供することができる。 According to the present invention, the frequency of maintenance of the dust collector and the dust collection hose is reduced by separating and collecting as much magnetic material as possible, such as iron, before entering the dust collection hose, and the operation rate of the dust collector is reduced. It is possible to provide a grinding machine having a dust collecting adapter that can reduce the apparatus and labor required for collecting and separating magnetic materials such as iron for recycling.

本発明による集塵アダプタ１２の一実施形態を図１〜３を用いて説明する。なお図１〜図３において、図４に示した従来の集塵アダプタ１２と同じ構成部品には同じ番号を付し、その説明を省略する。また図１〜３において、集塵アダプタ１２の一点鎖線で示す中心線より上方は断面図である。
＜第１の実施の形態＞
図１に示す集塵アダプタ１２にはフード５の表面に永久磁石９が取付けられている。 One embodiment of the dust collecting adapter 12 according to the present invention will be described with reference to FIGS. 1 to 3, the same components as those of the conventional dust collection adapter 12 shown in FIG. Moreover, in FIGS. 1-3, upper direction from the centerline shown with the dashed-dotted line of the dust collecting adapter 12 is sectional drawing.
<First Embodiment>
A permanent magnet 9 is attached to the surface of the hood 5 in the dust collection adapter 12 shown in FIG.

作業者が研削機２を使用して研削作業を開始すると粉塵が発生する。そのため、作業者は、研削作業開始前に砥石ガード3に着脱部4を取付け、集塵ホース7をアダプタ部８に取付け、集塵機６を起動させておく。研削によって発生したほこり等の非磁性物質は従来と同様に、フード５により吸引され捕集され、フード５の内周に沿ってアダプタ部８に到達し、集塵機６の吸引力により集塵ホース７の内部を移動して集塵機６に回収される。鉄等の磁性物質は飛散した際に永久磁石９に吸着する。また、フード５により吸引された磁性物質の一部はフード５内に捕集される前に永久磁石９の磁性力によって永久磁石９に吸着する。 When the worker starts the grinding operation using the grinder 2, dust is generated. Therefore, the worker attaches the detachable part 4 to the grindstone guard 3 before starting the grinding work, attaches the dust collecting hose 7 to the adapter part 8, and starts the dust collector 6. The nonmagnetic substance such as dust generated by grinding is sucked and collected by the hood 5 as before, reaches the adapter portion 8 along the inner periphery of the hood 5, and the dust collecting hose 7 is attracted by the suction force of the dust collector 6. And is collected by the dust collector 6. Magnetic materials such as iron are attracted to the permanent magnet 9 when scattered. A part of the magnetic substance attracted by the hood 5 is attracted to the permanent magnet 9 by the magnetic force of the permanent magnet 9 before being collected in the hood 5.

従って、集塵ホース７に入る前の段階で、できる限り多くの鉄などの磁性物質を分別集塵することで、集塵機６と集塵ホース７の保守の頻度を低下し、集塵機６の稼働率を上げると共に、リサイクルにまわす鉄などの磁性物質の回収と分別に必要な装置や手間を低減できる集塵アダプタ１２を有する研削機を提供することができる。
＜第２の実施の形態＞
図２に示す集塵アダプタ１２にはフード５の表面に電磁石１０が取付けられている。また、フードには電源部１１として電池が設けられている。 Accordingly, by separating and collecting as much of the magnetic material as possible, such as iron, before entering the dust collection hose 7, the frequency of maintenance of the dust collector 6 and the dust collection hose 7 is reduced, and the operation rate of the dust collector 6 is reduced. In addition, it is possible to provide a grinding machine having a dust collecting adapter 12 that can reduce the apparatus and labor required for collecting and separating magnetic materials such as iron to be recycled.
<Second Embodiment>
An electromagnet 10 is attached to the surface of the hood 5 in the dust collection adapter 12 shown in FIG. The hood is provided with a battery as the power supply unit 11.

作業者は研削機２を使用して研削作業を開始する際に研削物の種類によって電源部１１のオンオフを調整可能である。つまり、鉄などの磁性物質を研削する時には電源部１１をオンにして使用することで、第１の実施例と同様の効果を得ることができる。また、非磁性物質を研削する時には磁石の磁力が働いても効果がないので電源をオフにして使用するのが良い。 The operator can adjust the on / off of the power supply unit 11 according to the type of the grinding object when starting the grinding operation using the grinding machine 2. That is, when grinding a magnetic substance such as iron, the same effect as that of the first embodiment can be obtained by turning on the power supply unit 11 for use. Also, when grinding a non-magnetic substance, it is better to use it with the power off because there is no effect even if the magnetic force of the magnet works.

以上の構成によって、集塵ホース７に入る前の段階で、できる限り多くの鉄などの磁性物質を分別集塵することで、集塵機６と集塵ホース７の保守の頻度を低下し、集塵機の稼働率を上げると共に、リサイクルにまわす鉄などの磁性物質の回収と分別に必要な装置や手間を低減できる集塵アダプタ１２を有する研削機を提供することができる。
＜第３の実施の形態＞
図３に示す集塵アダプタ１２には、図２に示した電池の変わりに商用電源を電源部１１として使用してる。 With the above configuration, as much as possible magnetic materials such as iron are separated and collected before entering the dust collecting hose 7, so that the frequency of maintenance of the dust collector 6 and the dust collecting hose 7 is reduced. It is possible to provide a grinding machine having a dust collecting adapter 12 that can increase the operating rate and reduce the apparatus and labor required for collecting and separating magnetic materials such as iron to be recycled.
<Third Embodiment>
In the dust collecting adapter 12 shown in FIG. 3, a commercial power source is used as the power supply unit 11 instead of the battery shown in FIG. 2.

この構成により、第２の実施例と同様の効果を得ることができる。さらにこの構成によれば、研削機２の小型軽量化を図ることができる。 With this configuration, the same effect as in the second embodiment can be obtained. Furthermore, according to this structure, the grinding machine 2 can be reduced in size and weight.

本発明の第１の実施形態に係る研削機を示す部分断面図。The fragmentary sectional view which shows the grinding machine which concerns on the 1st Embodiment of this invention. 本発明の第２の実施形態に係る研削機を示す部分断面図。The fragmentary sectional view which shows the grinding machine which concerns on the 2nd Embodiment of this invention. 本発明の第３の実施形態に係る研削機を示す部分断面図。。The fragmentary sectional view which shows the grinding machine which concerns on the 3rd Embodiment of this invention. . 従来の研削機の一例を示す部分断面図。The fragmentary sectional view which shows an example of the conventional grinding machine.

符号の説明Explanation of symbols

１は円盤砥石、２は研削機、３は砥石ガード、４は着脱部、５はフード、６は集塵機、７は集塵ホース、８はアダプタ部、９は永久磁石、１０は電磁石、１１は電源部、１２は集塵アダプタである。
DESCRIPTION OF SYMBOLS 1 is a disk grindstone, 2 is a grinding machine, 3 is a grindstone guard, 4 is an attachment / detachment part, 5 is a hood, 6 is a dust collector, 7 is a dust collection hose, 8 is an adapter part, 9 is a permanent magnet, 10 is an electromagnet, 11 A power supply unit 12 is a dust collecting adapter.

Claims

モータからの駆動力により回転される砥石と、
該砥石を覆う砥石ガードと、
該砥石ガードに設けられ研削時に発生する粉塵を捕集するフードと、
該フードに接続された集塵ホースと、
該集塵ホースを介して該フードとは反対側に接続された集塵機と、
を有する研削機において、
前記フード表面に永久磁石または電磁石を設けたことを特徴とする研削機。
A grindstone that is rotated by a driving force from a motor;
A grindstone guard covering the grindstone;
A hood provided on the grindstone guard for collecting dust generated during grinding;
A dust collecting hose connected to the hood;
A dust collector connected to the opposite side of the hood via the dust hose;
In a grinding machine having
A grinding machine, wherein a permanent magnet or an electromagnet is provided on the hood surface.