JP2020131348A - Cover for portable type lathe and portable type lathe - Google Patents
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 56
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 230000037431 insertion Effects 0.000 abstract 1
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- 101100049503 Pleurotus eryngii vpl1 gene Proteins 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
Description
本発明は、可搬式旋盤用カバーおよび可搬式旋盤に関する。 The present invention relates to a cover for a portable lathe and a portable lathe.
筒状のワークを切削加工するための可搬式旋盤であって、ワークの外周面に装着される円環状の旋盤本体と、円環状であり旋盤本体の厚さ方向における一端側に配置され旋盤本体に対して旋盤本体の厚さ方向に沿った中心軸周りに回転する可動部と、可動部に固定されワークを切削するためのツールを有するツールモジュールと、を備える可搬式旋盤が提案されている（例えば特許文献１および２参照）。ここで、ツールモジュールは、ツールの先端部が旋盤本体の中心軸に直交する方向において旋盤本体の中心軸側へ突出する姿勢でツールを保持している。そして、可搬式旋盤は、ツールの先端部をワークの外周面に当接させた状態で、可動部を旋盤本体に対して回転させることにより、ワークをその外周面から切削する。 A portable lathe for cutting a tubular work, the annular lathe body mounted on the outer peripheral surface of the work and the annular lathe body arranged on one end side in the thickness direction of the lathe body. On the other hand, a portable lathe having a movable part that rotates around a central axis along the thickness direction of the lathe body and a tool module that is fixed to the movable part and has a tool for cutting a workpiece has been proposed. (See, for example, Patent Documents 1 and 2). Here, the tool module holds the tool in a posture in which the tip end portion of the tool projects toward the central axis side of the lathe body in a direction orthogonal to the central axis of the lathe body. Then, in the portable lathe, the work is cut from the outer peripheral surface of the work by rotating the movable portion with respect to the lathe body in a state where the tip of the tool is in contact with the outer peripheral surface of the work.
しかしながら、特許文献１に記載された可搬式旋盤の場合、ワークを切削加工する際、ワークから生じた切り粉が飛散してしまい、作業者が飛散した切り粉を集めて処理する必要があった。このため、作業者は、切り粉の処理を行う必要がある分、ワークの切削作業に手間がかかってしまい、ワークの切削作業における作業性が低下してしまう虞があった。 However, in the case of the portable lathe described in Patent Document 1, when cutting a work, chips generated from the work are scattered, and it is necessary for an operator to collect and process the scattered chips. .. For this reason, since it is necessary for the operator to process the chips, it takes time and effort to cut the work, and there is a possibility that the workability in the cutting work of the work is lowered.
本発明は、上記事由に鑑みてなされたものであり、ワークの切削加工における作業性を高めることができる可搬式旋盤用カバーおよび可搬式旋盤を提供することを目的とする。 The present invention has been made in view of the above reasons, and an object of the present invention is to provide a cover for a portable lathe and a portable lathe capable of improving workability in cutting a work.
上記目的を達成するために、本発明に係る可搬式旋盤用カバーは、
円環状の旋盤本体と、円環状であり前記旋盤本体の厚さ方向における一端側に配置され前記旋盤本体に対して前記旋盤本体の厚さ方向に沿った中心軸周りに回転する可動部と、前記可動部に固定され円筒状のワークを切削するためのツールを前記ツールの先端部が前記旋盤本体の中心軸に直交する方向において前記旋盤本体の中心軸側へ突出する姿勢で保持するツールモジュールと、を備える可搬式旋盤に装着される可搬式旋盤用カバーであって、
筒状であり周壁に内側に溜まった切り粉を排出するための排出口が設けられ、内側に前記旋盤本体、前記可動部および前記ツールモジュールが配置される筒状部と、
前記筒状部の筒軸方向における一端側を閉塞し中央部に前記ワークを挿通するための第１開口部が設けられるとともに、前記第１開口部の外周部が前記旋盤本体の厚さ方向における他端側に固定される第１壁と、
前記筒状部の筒軸方向における他端側を閉塞し中央部に内径寸法が少なくとも前記旋盤本体が装着された前記ワークの外径寸法よりも大きい第２開口部が設けられた第２壁と、を有するカバー本体と、
前記筒状部に設けられ、前記排出口を覆う閉状態と前記排出口を覆わない開状態とをとりうる蓋体と、備える。
In order to achieve the above object, the portable lathe cover according to the present invention is
An annular lathe body, and a movable portion that is annular and is arranged on one end side in the thickness direction of the lathe body and rotates about a central axis along the thickness direction of the lathe body with respect to the lathe body. A tool module that holds a tool fixed to the movable portion for cutting a cylindrical workpiece in a posture in which the tip portion of the tool projects toward the central axis side of the lathe body in a direction orthogonal to the central axis of the lathe body. A cover for a portable lathe that is mounted on a portable lathe equipped with
A tubular portion having a tubular shape and having a discharge port for discharging chips accumulated inside on the peripheral wall, and a tubular portion on which the lathe body, the movable portion, and the tool module are arranged,
One end side of the tubular portion in the tubular axis direction is closed, and a first opening for inserting the work is provided in the central portion, and the outer peripheral portion of the first opening is in the thickness direction of the lathe body. The first wall fixed to the other end side,
A second wall in which the other end side of the tubular portion in the tubular axis direction is closed and a second opening having an inner diameter dimension larger than the outer diameter dimension of the work on which the lathe body is mounted is provided at the central portion. With the cover body,
The lid is provided on the tubular portion and can be in a closed state covering the discharge port and an open state not covering the discharge port.
他の観点から見た本発明に係る可搬式旋盤は、
円環状の旋盤本体と、
円環状であり前記旋盤本体の厚さ方向における一端側に配置され前記旋盤本体に対して前記旋盤本体の厚さ方向に沿った中心軸周りに回転する可動部と、
前記可動部に固定され円筒状のワークを切削するためのツールを前記ツールの先端部が前記旋盤本体の中心軸に直交する方向において前記旋盤本体の中心軸側へ突出する姿勢で保持するツールモジュールと、
前記旋盤本体に固定される可搬式旋盤用カバーと、を備える可搬式旋盤であって、
前記可搬式旋盤用カバーは、
筒状であり周壁に内側に溜まった切り粉を排出するための排出口が設けられ、内側に前記旋盤本体、前記可動部および前記ツールモジュールが配置される筒状部と、
前記筒状部の筒軸方向における一端側を閉塞し中央部に前記ワークを挿通するための第１開口部が設けられるとともに、前記第１開口部の外周部が前記旋盤本体の厚さ方向における他端側に固定される第１壁と、
前記筒状部の筒軸方向における他端側を閉塞し中央部に内径寸法が少なくとも前記旋盤本体が装着された前記ワークの外径寸法よりも大きい第２開口部が設けられた第２壁と、を有するカバー本体と、
前記筒状部に設けられ、前記排出口を覆う閉状態と前記排出口を覆わない開状態とをとりうる蓋体と、を有する。
The portable lathe according to the present invention from another point of view
An annular lathe body and
A movable portion that is annular and is arranged on one end side in the thickness direction of the lathe body and rotates around a central axis along the thickness direction of the lathe body with respect to the lathe body.
A tool module that holds a tool fixed to the movable portion for cutting a cylindrical workpiece in a posture in which the tip portion of the tool projects toward the central axis side of the lathe body in a direction orthogonal to the central axis of the lathe body. When,
A portable lathe including a cover for a portable lathe fixed to the lathe body.
The portable lathe cover is
A tubular portion having a tubular shape and having a discharge port for discharging chips accumulated inside on the peripheral wall, and a tubular portion on which the lathe body, the movable portion, and the tool module are arranged,
One end side of the tubular portion in the tubular axis direction is closed, and a first opening for inserting the work is provided in the central portion, and the outer peripheral portion of the first opening is in the thickness direction of the lathe body. The first wall fixed to the other end side,
A second wall in which the other end side of the tubular portion in the tubular axis direction is closed and a second opening having an inner diameter dimension larger than the outer diameter dimension of the work on which the lathe body is mounted is provided at the central portion. With the cover body,
It has a lid provided on the tubular portion and capable of taking a closed state covering the discharge port and an open state not covering the discharge port.
本発明によれば、カバー本体が、筒状であり切り粉を排出するための排出口が設けられ、内側に旋盤本体、可動部およびツールモジュールが配置される筒状部と、筒状部の筒軸方向における一端側を閉塞し中央部にワークを挿通するための第１開口部が設けられるとともに、第１開口部の外周部が旋盤本体の厚さ方向における他端側に固定される第１壁と、筒状部の筒軸方向における他端側を閉塞し中央部に内径寸法が少なくとも旋盤本体が装着された前記ワークの外径寸法よりも大きい第２開口部が設けられた第２壁と、を有する。また、蓋体は、筒状部に設けられ排出口を覆う閉状態と排出口を覆わない開状態とをとりうる。これにより、ワークを切削加工する際、蓋体を閉状態にすることによりワークから生じた切り粉をカバー本体内に集めることができ、カバー本体内に切り粉がある程度蓄積したときに蓋体を開状態にすることにより、蓄積した切り粉をカバー本体外へ排出することができる。従って、作業者がワークを切削加工する際に生じる切り粉の処理を効率良く行うことができるので、その分、ワークの切削加工における作業性を高められる。 According to the present invention, the cover main body is tubular and is provided with a discharge port for discharging chips, and a tubular portion in which a lathe main body, a movable portion and a tool module are arranged, and a tubular portion. A first opening for closing one end side in the tubular axis direction and inserting a work through the central portion is provided, and the outer peripheral portion of the first opening is fixed to the other end side in the thickness direction of the lathe body. A second wall is provided with a second opening in which the other end side of the tubular portion in the tubular axis direction is closed and the inner diameter dimension is at least larger than the outer diameter dimension of the work on which the lathe body is mounted. Has a wall. Further, the lid body can be in a closed state of being provided in the tubular portion and covering the discharge port and an open state of not covering the discharge port. As a result, when cutting the work, the chips generated from the work can be collected in the cover body by closing the lid body, and when the chips accumulate in the cover body to some extent, the lid body is opened. By opening the cover, the accumulated chips can be discharged to the outside of the cover body. Therefore, it is possible to efficiently process the chips generated when the worker cuts the work, and the workability in the cutting of the work can be improved accordingly.
以下、本発明の実施の形態に係る可搬式旋盤用カバーについて図面を参照しながら詳細に説明する。本実施の形態に係る可搬式旋盤用カバーは、円環状の旋盤本体と、円環状であり旋盤本体の厚さ方向における一端側に配置され旋盤本体に対して旋盤本体の厚さ方向に沿った中心軸周りに回転する可動部と、可動部に固定され円筒状のワークを切削するためのツールをツールの先端部が旋盤本体の中心軸に直交する方向において旋盤本体の中心軸側へ突出する姿勢で保持するツールモジュールと、を備える可搬式旋盤に装着されるものである。この可搬式旋盤用カバーは、カバー本体と蓋体とを備える。カバー本体は、筒状部と、筒状部の筒軸方向における一端側を閉塞する第１壁と、筒状部の筒軸方向における他端側を閉塞する第２壁と、を有する。筒状部は、筒状であり周壁に内側に溜まった切り粉を排出するための排出口が設けられ、内側に旋盤本体、可動部およびツールモジュールが配置される。第１壁は、中央部にワークを挿通するための第１開口部が設けられるとともに、第１開口部の外周部が旋盤本体の厚さ方向における他端側に固定されている。第２壁は、中央部に内径寸法が少なくとも旋盤本体が装着されたワークの外径寸法よりも大きい第２開口部が設けられている。蓋体は、筒状部に設けられ、カバー本体の排出口を覆う閉状態と排出口を覆わない開状態とをとりうる。 Hereinafter, the portable lathe cover according to the embodiment of the present invention will be described in detail with reference to the drawings. The portable lathe cover according to the present embodiment is arranged on one end side of the annular lathe body and the annular lathe body in the thickness direction of the lathe body along the thickness direction of the lathe body. A movable part that rotates around the central axis and a tool that is fixed to the movable part and for cutting a cylindrical workpiece are projected toward the central axis side of the lathe body in the direction in which the tip of the tool is orthogonal to the central axis of the lathe body. It is mounted on a portable lathe equipped with a tool module that holds in a posture. This portable lathe cover includes a cover body and a lid. The cover body has a tubular portion, a first wall that closes one end side of the tubular portion in the tubular axial direction, and a second wall that closes the other end side of the tubular portion in the tubular axial direction. The tubular portion has a tubular shape and is provided with a discharge port for discharging chips accumulated inside on the peripheral wall, and a lathe body, a movable part, and a tool module are arranged inside. The first wall is provided with a first opening for inserting a work in the central portion, and the outer peripheral portion of the first opening is fixed to the other end side in the thickness direction of the lathe body. The second wall is provided with a second opening having an inner diameter that is at least larger than the outer diameter of the work on which the lathe body is mounted. The lid is provided in the tubular portion, and can be in a closed state that covers the discharge port of the cover body and an open state that does not cover the discharge port.
図１および図２に示すように、本実施の形態に係る可搬式旋盤１０００は、円環状の旋盤本体１０１と、円環状の可動部１０２と、可動部１０２に固定されたツールモジュール１０４と、可搬式旋盤用カバー１と、を備える。また、可搬式旋盤１０００は、可動部１０２を回転駆動させるためのモータ（図示せず）を有するモータユニット１０３を備える。ここで、モータとしては、例えば油圧式モータが採用され、そのシャフトにはピニオンギヤ（図示せず）が固定されている。旋盤本体１０１は、２つの半円弧状のサブ本体１０１ａ、１０１ｂに分割することができる。可動部１０２は、円環状であり旋盤本体１０１の＋Ｙ方向側に配置され、旋盤本体１０１に対して旋盤本体の厚さ方向に沿った中心軸Ｊ１周りに相対的に回転自在な状態で、旋盤本体１０１に支持されている。可動部１０２も、２つの半円弧状のサブ可動部１０２ａ、１０２ｂに分割することができる。可動部１０２には、可動部１０２の周方向に沿って延在し、モータユニット１０３のモータのシャフトに固定されたピニオンギヤ（図示せず）に噛合するラックギヤ（図示せず）が設けられている。そして、可動部１０２は、モータユニット１０３のモータのシャフトが回転するとシャフトに固定されたピニオンギヤに噛合するラックギヤが中心軸Ｊ１周りに回転する。これにより、可動部１０２は、図１の矢印ＡＲ１に示すように、中心軸Ｊ１周りに回転する。また、旋盤本体１０１の−Ｙ方向側には、可搬式旋盤用カバー１を旋盤本体１０１に螺子９により固定するための螺子孔（図示せず）が設けられている。 As shown in FIGS. 1 and 2, the portable lathe 1000 according to the present embodiment includes an annular lathe main body 101, an annular movable portion 102, a tool module 104 fixed to the movable portion 102, and the like. A cover 1 for a portable lathe is provided. Further, the portable lathe 1000 includes a motor unit 103 having a motor (not shown) for rotationally driving the movable portion 102. Here, for example, a hydraulic motor is adopted as the motor, and a pinion gear (not shown) is fixed to the shaft thereof. The lathe main body 101 can be divided into two semicircular sub-main bodies 101a and 101b. The movable portion 102 is annular and is arranged on the + Y direction side of the lathe body 101, and is in a state of being relatively rotatable around the central axis J1 along the thickness direction of the lathe body 101 with respect to the lathe body 101. It is supported by the main body 101. The movable portion 102 can also be divided into two semicircular sub-movable portions 102a and 102b. The movable portion 102 is provided with a rack gear (not shown) that extends along the circumferential direction of the movable portion 102 and meshes with a pinion gear (not shown) fixed to the shaft of the motor of the motor unit 103. .. Then, in the movable portion 102, when the shaft of the motor of the motor unit 103 rotates, the rack gear that meshes with the pinion gear fixed to the shaft rotates around the central axis J1. As a result, the movable portion 102 rotates around the central axis J1 as shown by the arrow AR1 in FIG. Further, a screw hole (not shown) for fixing the portable lathe cover 1 to the lathe main body 101 by a screw 9 is provided on the −Y direction side of the lathe main body 101.
ツールモジュール１０４は、円筒状のワークＷ１を切削するためのツール１０６をツール１０６の先端部が旋盤本体１０１の中心軸Ｊ１に直交する方向において旋盤本体１０１の中心軸Ｊ１側へ突出する姿勢で保持するツールホルダ１０５を有する。 The tool module 104 holds the tool 106 for cutting the cylindrical work W1 in a posture in which the tip of the tool 106 projects toward the central axis J1 of the lathe body 101 in the direction orthogonal to the central axis J1 of the lathe body 101. Has a tool holder 105 to be used.
可搬式旋盤用カバー１は、カバー本体１０と、蓋体１２５と、を備える。カバー本体１０は、筒状部１０ａと、筒状部１０ａの筒軸Ｊ２方向における一端側を閉塞する第１壁１０ｂと、筒状部１０ａの筒軸Ｊ２方向における他端側を閉塞する第２壁１０ｃと、を有する。カバー本体１０は、例えば透明な樹脂から形成されている。これにより、カバー本体１０の外側からワークＷ１の切削加工の様子を視認することができる。また、カバー本体１０、蓋体１２５は、それぞれ、例えば厚さが２ｍｍ以上５ｍｍ以下の板材から形成されている。 The portable lathe cover 1 includes a cover main body 10 and a lid body 125. The cover body 10 has a tubular portion 10a, a first wall 10b that closes one end side of the tubular portion 10a in the tubular shaft J2 direction, and a second wall that closes the other end side of the tubular portion 10a in the tubular shaft J2 direction. It has a wall 10c and. The cover body 10 is made of, for example, a transparent resin. As a result, the state of cutting of the work W1 can be visually recognized from the outside of the cover body 10. Further, the cover body 10 and the lid body 125 are each formed of, for example, a plate material having a thickness of 2 mm or more and 5 mm or less.
筒状部１０ａは、円筒状であり、周壁に内側に溜まった切り粉を排出するための排出口１０ｆが設けられ、内側に旋盤本体１０１、可動部１０２およびツールモジュール１０４が配置される。筒状部１０ａの外径寸法は、例えば旋盤本体１０１の中心軸Ｊ１とツールモジュール１０４における中心軸Ｊ１側とは反対側の端縁との間の長さよりも長くなるように設定され、例えば２００ｍｍ以上２０５ｍｍ以下の範囲内の長さに設定される。また、筒状部１０ａのＹ軸方向における幅ＷＤ１は、旋盤本体１０１、可動部１０２およびツールモジュール１０４を合わせた部分のＹ軸方向の幅よりも長くなるように設定され、例えば１５０ｍｍ以上１６０ｍｍ以下の範囲内の長さに設定される。また、筒状部１０ａには、図２に示すように、ツール１０６の先端部へ潤滑油を供給するための供給孔１１５が設けられている。この供給孔１１５は、筒状部１０ａにおける、カバー本体１０が旋盤本体１０１に固定された状態でツール１０６の先端部が描く軌跡を含む第２仮想平面である仮想平面ＣＬとの交差する部分の一部を含むように設けられている。これにより、潤滑油をツール１０６の先端部へ的確に供給することができる。また、供給孔１１５は、カバー本体１０におけるＺ軸方向における中央部よりも＋Ｚ方向側に位置する。これにより、カバー本体１０をその＋Ｚ方向側が鉛直上方となる姿勢で使用される場合、供給孔１１５からカバー本体１０内に導入された潤滑油が、ツール１０６の先端部へ効率良く供給される。 The tubular portion 10a has a cylindrical shape, is provided with a discharge port 10f for discharging chips accumulated inside on the peripheral wall, and a lathe main body 101, a movable portion 102, and a tool module 104 are arranged inside. The outer diameter of the tubular portion 10a is set to be longer than, for example, the length between the central axis J1 of the lathe body 101 and the edge of the tool module 104 opposite to the central axis J1 side, for example, 200 mm. The length is set within the range of 205 mm or more. Further, the width WD1 of the tubular portion 10a in the Y-axis direction is set to be longer than the width of the portion in which the lathe body 101, the movable portion 102 and the tool module 104 are combined, for example, 150 mm or more and 160 mm or less. The length is set within the range of. Further, as shown in FIG. 2, the tubular portion 10a is provided with a supply hole 115 for supplying lubricating oil to the tip end portion of the tool 106. The supply hole 115 is a portion of the tubular portion 10a that intersects with the virtual plane CL, which is the second virtual plane including the locus drawn by the tip portion of the tool 106 in a state where the cover main body 10 is fixed to the lathe main body 101. It is provided to include a part. As a result, the lubricating oil can be accurately supplied to the tip end portion of the tool 106. Further, the supply hole 115 is located on the + Z direction side of the cover main body 10 with respect to the central portion in the Z axis direction. As a result, when the cover body 10 is used in a posture in which the + Z direction side thereof is vertically upward, the lubricating oil introduced into the cover body 10 from the supply hole 115 is efficiently supplied to the tip portion of the tool 106.
第１壁１０ｂは、中央部にワークＷ１を挿通するための第１開口部１０ｄが設けられるとともに、第１開口部１０ｄの外周部が旋盤本体１０１の厚さ方向における他端側に螺子９により固定されている。具体的には、後述する第１壁１０ｂに設けられた貫通孔１１１ｅに挿通された螺子９を、旋盤本体１０１の−Ｙ方向側に設けられた螺子孔に螺合させることにより、第１壁１０ｂが旋盤本体１０１に固定される。このようにして、カバー本体１０は、螺子９により旋盤本体１０１に固定されている。それ故、螺子９を緩めることにより、カバー本体１０を旋盤本体１０１から取り外すことができる。このとき、カバー本体１０は、筒状部１０ａの筒軸Ｊ２が旋盤本体１０１の中心軸Ｊ１に一致するように配置される。第２壁１０ｃは、中央部に内径寸法が少なくとも旋盤本体１０１が装着されたワークＷ１の外径寸法よりも大きい第２開口部１０ｅが設けられている。また、第２壁１０ｃにおける第２開口部１０ｅの外周部には、複数の係合部１１２ａ、１１２ｂ、１２２ａ、１２２ｂが、第２開口部１０ｅを囲繞するように配設されている。 The first wall 10b is provided with a first opening 10d for inserting the work W1 in the central portion, and the outer peripheral portion of the first opening 10d is formed by a screw 9 on the other end side in the thickness direction of the lathe body 101. It is fixed. Specifically, the first wall is formed by screwing the screw 9 inserted into the through hole 111e provided in the first wall 10b, which will be described later, into the screw hole provided in the −Y direction side of the lathe main body 101. 10b is fixed to the lathe body 101. In this way, the cover body 10 is fixed to the lathe body 101 by the screws 9. Therefore, the cover body 10 can be removed from the lathe body 101 by loosening the screw 9. At this time, the cover main body 10 is arranged so that the tubular shaft J2 of the tubular portion 10a coincides with the central shaft J1 of the lathe main body 101. The second wall 10c is provided with a second opening 10e whose inner diameter is at least larger than the outer diameter of the work W1 on which the lathe body 101 is mounted. Further, on the outer peripheral portion of the second opening 10e in the second wall 10c, a plurality of engaging portions 112a, 112b, 122a, 122b are arranged so as to surround the second opening 10e.
また、カバー本体１０は、図１に示すように、カバー本体１０を、仮想平面ＶＰＬ１で分割したときの＋Ｚ方向側に相当する形状を有する第１部材１１と、カバー本体１０を、仮想平面ＶＰＬ１で分割したときの−Ｚ方向側に相当する形状を有する第２部材１２と、を有する。ここで、仮想平面ＶＰＬ１は、筒状部１０ａの筒軸Ｊ２を含み且つ筒軸Ｊ２方向に平行な１つの第１仮想平面である。第１部材１１は、図３（Ａ）乃至図４（Ｂ）に示すように、筒状部１０ａを前述の仮想平面ＶＰＬ１で分割して得られる形状を有する周壁１１１ｂと、周壁１１１ｂの−Ｙ方向側を覆う側壁１１１ａと、周壁１１１ｂの＋Ｙ方向側を覆う側壁１１１ｃと、を有する。側壁１１１ａには、図３（Ａ）に示すように、側壁１１１ａの−Ｚ方向に向けて開口した半円状の切欠部１１１ｆが形成されるとともに、３つの係合部１１２ａ、１１２ｂが配設されている。切欠部１１１ｆの半径Ｌ１１は、ワークＷ１の外径寸法に基づいて設定され、例えば１００ｍｍ以上１１０ｍｍ以下の範囲内の長さに設定される。係合部１１２ａは、周壁１１１ｂの周方向に沿った方向における中央部が切欠部１１１ｆの中心軸Ｊ３を含み且つＺ軸に平行な仮想平面ＶＰＬ３内に位置するように配置された第１係合部である。また、係合部１１２ｂは、周壁１１１ｂの周方向に沿った方向における中央部が切欠部１１１ｆの中心軸Ｊ３を含み且つ図３（Ａ）におけるＸＹ平面に対して角度θ１だけ傾斜した仮想平面ＶＰＬ４１、ＶＰＬ４２内に位置するように配置された第１係合部である。ここで、角度θ１は、例えば１５度以上２５度以下の範囲の角度に設定される。また、係合部１１２ａ、１１２ｂの中心軸Ｊ３側の端縁と中心軸Ｊ３との間の長さは、例えば１２０ｍｍ以上１２５ｍｍ以下の範囲内の長さに設定される。また、切欠部１１１ｆの中心軸Ｊ３から係合部１１２ａ、１１２ｂの内縁までの長さＬ１２は、例えば１２０ｍｍ以上１２５ｍｍ以下の範囲内の長さに設定され、係合部１１２ａ、１１２ｂの径方向の幅Ｌ１３は、例えば８ｍｍ以上１２１０ｍｍ以下の範囲内の長さに設定される。 Further, as shown in FIG. 1, the cover main body 10 has a first member 11 having a shape corresponding to the + Z direction side when the cover main body 10 is divided by the virtual plane VPL1, and the cover main body 10 is formed by the virtual plane VPL1. It has a second member 12 having a shape corresponding to the −Z direction side when divided by. Here, the virtual plane VPL1 is one first virtual plane including the tubular shaft J2 of the tubular portion 10a and parallel to the tubular shaft J2 direction. As shown in FIGS. 3 (A) to 4 (B), the first member 11 has a peripheral wall 111b having a shape obtained by dividing the tubular portion 10a by the virtual plane VPL1 described above, and −Y of the peripheral wall 111b. It has a side wall 111a that covers the direction side and a side wall 111c that covers the + Y direction side of the peripheral wall 111b. As shown in FIG. 3A, the side wall 111a is formed with a semicircular notch 111f that opens in the −Z direction of the side wall 111a, and three engaging portions 112a and 112b are arranged. Has been done. The radius L11 of the notch portion 111f is set based on the outer diameter dimension of the work W1, and is set to a length within a range of, for example, 100 mm or more and 110 mm or less. The first engagement portion 112a is arranged so that the central portion of the peripheral wall 111b in the circumferential direction includes the central axis J3 of the notch portion 111f and is located in the virtual plane VPL3 parallel to the Z axis. It is a department. Further, the engaging portion 112b is a virtual plane VPL41 whose central portion in the direction along the circumferential direction of the peripheral wall 111b includes the central axis J3 of the notched portion 111f and is inclined by an angle θ1 with respect to the XY plane in FIG. 3 (A). , A first engaging portion arranged to be located within the VPL 42. Here, the angle θ1 is set to, for example, an angle in the range of 15 degrees or more and 25 degrees or less. Further, the length between the edge of the engaging portions 112a and 112b on the central axis J3 side and the central axis J3 is set to, for example, a length within the range of 120 mm or more and 125 mm or less. Further, the length L12 from the central axis J3 of the notch portion 111f to the inner edge of the engaging portions 112a and 112b is set to a length within the range of, for example, 120 mm or more and 125 mm or less, and is in the radial direction of the engaging portions 112a and 112b. The width L13 is set to a length within a range of, for example, 8 mm or more and 1210 mm or less.
側壁１１１ｃには、図３（Ｂ）に示すように、側壁１１１ｃの−Ｚ方向に向けて開口した半円状の切欠部１１１ｇが形成されるとともに、２つの係合部１１４が配設されている。切欠部１１１ｇの半径Ｌ１４も、ワークＷ１の外径寸法に基づいて設定され、例えば１００ｍｍ以上１１０ｍｍ以下の範囲内の長さに設定される。係合部１１４は、周壁１１１ｂの周方向に沿った方向における中央部が切欠部１１１ｆの中心軸Ｊ３を含み且つ図３（Ｂ）におけるＸＹ平面に対して角度θ３だけ傾斜した仮想平面ＶＰＬ５１、５２内に位置するように配置されている。ここで、角度θ２は、例えば４０度以上５０度以下の範囲の角度に設定される。また、側壁１１１ｃの＋Ｚ方向側の端部には、モータユニット１０３の一部が嵌入される切欠部１１１ｄが形成されている。更に、側壁１１１ｃにおける旋盤本体１０１の−Ｙ方向側に設けられた螺子孔に対応する位置に、螺子９が挿通される４つの貫通孔１１１ｅが形成されている。周壁１１１ｂには、図４（Ａ）に示すように、側壁１１１ｃの切欠部１１１ｄに連通しモータユニット１０３の一部が嵌入される切欠部１１１ｈが形成されている。また、周壁１１１ｂには、前述の供給孔１１５が貫設されている。また、切欠部１１１ｇの中心軸Ｊ３から係合部１１４の内縁までの長さＬ１５は、例えば１２０ｍｍ以上１２５ｍｍ以下の範囲内の長さに設定され、係合部１１４の径方向の幅Ｌ１６は、例えば８ｍｍ以上１２１０ｍｍ以下の範囲内の長さに設定される。 As shown in FIG. 3B, the side wall 111c is formed with a semicircular notch 111g that opens in the −Z direction of the side wall 111c, and two engaging portions 114 are arranged. There is. The radius L14 of the notch portion 111g is also set based on the outer diameter dimension of the work W1, for example, a length within a range of 100 mm or more and 110 mm or less. The engaging portion 114 is a virtual plane VPL 51, 52 whose central portion in the direction along the circumferential direction of the peripheral wall 111b includes the central axis J3 of the notch portion 111f and is inclined by an angle θ3 with respect to the XY plane in FIG. 3 (B). It is arranged so that it is located inside. Here, the angle θ2 is set to, for example, an angle in the range of 40 degrees or more and 50 degrees or less. Further, a notch 111d into which a part of the motor unit 103 is fitted is formed at the end of the side wall 111c on the + Z direction side. Further, four through holes 111e through which the screw 9 is inserted are formed at positions on the side wall 111c corresponding to the screw holes provided on the −Y direction side of the lathe main body 101. As shown in FIG. 4A, the peripheral wall 111b is formed with a notch 111h in which a part of the motor unit 103 is fitted into the notch 111d of the side wall 111c. Further, the above-mentioned supply hole 115 is formed through the peripheral wall 111b. Further, the length L15 from the central axis J3 of the notch portion 111g to the inner edge of the engaging portion 114 is set to a length within a range of, for example, 120 mm or more and 125 mm or less, and the radial width L16 of the engaging portion 114 is set. For example, the length is set within the range of 8 mm or more and 1210 mm or less.
第２部材１２は、図３（Ａ）乃至図４（Ｂ）に示すように、筒状部１０ａを前述の仮想平面ＶＰＬ１で分割して得られる形状を有する周壁１２１ｂと、周壁１２１ｂの−Ｙ方向側を覆う側壁１２１ａと、周壁１２１ｂの＋Ｙ方向側を覆う側壁１２１ｃと、を有する。側壁１２１ａには、図３（Ａ）に示すように、側壁１２１ａの＋Ｚ方向に向けて開口した半円状の切欠部１２１ｆが形成されるとともに、３つの係合部１２２ａ、１２２ｂが配設されている。係合部１２２ａは、周壁１１１ｂの周方向に沿った方向における中央部が切欠部１２１ｆの中心軸Ｊ４を含み且つＺ軸に平行な仮想平面ＶＰＬ６内に位置するように配置された第１係合部である。また、係合部１２２ｂは、周壁１２１ｂの周方向に沿った方向における中央部が切欠部１２１ｆの中心軸Ｊ４を含み且つ図３（Ａ）におけるＸＹ平面に対して角度θ２だけ傾斜した仮想平面ＶＰＬ７１、ＶＰＬ７２内に位置するように配置された第１係合部である。ここで、角度θ２は、例えば１５度以上２５度以下の範囲の角度に設定される。 As shown in FIGS. 3 (A) to 4 (B), the second member 12 has a peripheral wall 121b having a shape obtained by dividing the tubular portion 10a by the virtual plane VPL1 described above, and −Y of the peripheral wall 121b. It has a side wall 121a that covers the direction side and a side wall 121c that covers the + Y direction side of the peripheral wall 121b. As shown in FIG. 3A, the side wall 121a is formed with a semicircular notch 121f opened in the + Z direction of the side wall 121a, and three engaging portions 122a and 122b are arranged. ing. The first engagement portion 122a is arranged so that the central portion of the peripheral wall 111b in the circumferential direction includes the central axis J4 of the notch portion 121f and is located in the virtual plane VPL6 parallel to the Z axis. It is a department. Further, the engaging portion 122b is a virtual plane VPL71 whose central portion in the direction along the circumferential direction of the peripheral wall 121b includes the central axis J4 of the notched portion 121f and is inclined by an angle θ2 with respect to the XY plane in FIG. 3 (A). , A first engaging portion arranged to be located within the VPL72. Here, the angle θ2 is set to, for example, an angle in the range of 15 degrees or more and 25 degrees or less.
側壁１２１ｃには、図３（Ｂ）に示すように、側壁１２１ｃの＋Ｚ方向に向けて開口した半円状の切欠部１２１ｇが形成されるとともに、２つの係合部１２４が配設されている。係合部１２４は、周壁１２１ｂの周方向に沿った方向における中央部が切欠部１２１ｆの中心軸Ｊ４を含み且つ図３（Ｂ）におけるＸＹ平面に対して角度θ４だけ傾斜した仮想平面ＶＰＬ８１、ＶＰＬ８２内に位置するように配置されている。ここで、角度θ４は、例えば４０度以上５０度以下の範囲の角度に設定される。また、側壁１２１ｃにおける旋盤本体１０１の−Ｙ方向側に設けられた螺子孔に対応する位置に、螺子９が挿通される４つの貫通孔１２１ｅが形成されている。周壁１２１ｂには、図４（Ｂ）に示すように、前述の排出口１０ｆが貫設されている。また、周壁１２１ｂにおける排出口１０ｆの外周部における−Ｘ方向側の部位には、蓋体１２５を開閉自在に支持する蝶番１２８が設けられている。そして、周壁１２１ｂにおける排出口１０ｆの外周部における＋Ｘ方向側の部位には、後述する蓋体１２５の＋Ｘ方向側の端部に設けられたフック１２６を係止する係止部１２７が設けられている。 As shown in FIG. 3B, the side wall 121c is formed with a semicircular notch 121g that opens in the + Z direction of the side wall 121c, and two engaging portions 124 are arranged. .. The engaging portion 124 includes virtual planes VPL81 and VPL82 whose central portion in the direction along the circumferential direction of the peripheral wall 121b includes the central axis J4 of the notch portion 121f and is inclined by an angle θ4 with respect to the XY plane in FIG. 3 (B). It is arranged so that it is located inside. Here, the angle θ4 is set to, for example, an angle in the range of 40 degrees or more and 50 degrees or less. Further, four through holes 121e through which the screw 9 is inserted are formed at positions on the side wall 121c corresponding to the screw holes provided on the −Y direction side of the lathe main body 101. As shown in FIG. 4B, the above-mentioned discharge port 10f is formed through the peripheral wall 121b. Further, a hinge 128 that supports the lid 125 so as to be openable and closable is provided at a portion of the peripheral wall 121b on the outer peripheral portion of the discharge port 10f on the −X direction side. A locking portion 127 for locking the hook 126 provided at the end of the lid 125 on the + X direction, which will be described later, is provided on the outer peripheral portion of the discharge port 10f on the peripheral wall 121b on the + X direction side. There is.
また、可搬式旋盤用カバー１は、図１および図２に示すように、第１部材１１と第２部材１２とがカバー本体１０を構成するように突き合わされた状態で、第１部材１１と第２部材１２とを連結する連結部材１１３、１２３を備える。連結部材１１３は、図３（Ａ）乃至図４（Ｂ）に示すように、第１部材１１の周壁１１１ｂのＸ軸方向における両端部に設けられている。また、連結部材１２３は、第２部材１２の周壁１２１ｂのＸ軸方向における両端部に設けられている。連結部材１２３は、図４（Ｃ）に示すように、鉤状の形状を有する。一方、連結部材１１３は、レバー１１３ｂと、レバー１１３ｂが枢着された軸部１１３ｄを旋回自在に支持する支持台１１３ａと、平面視矩形の環状であり、レバー１１３ｂに軸部１１３ｅを介してレバー１１３ｂに対して旋回自在に支持されたリング１１３ｃと、を有する。そして、連結部材１１３は、連結部材１２３にリング１１３ｃを掛止した状態で、レバー１１３ｂを矢印ＡＲ２に示すように旋回させることにより、第１部材１１の周壁１１１ｂと第２部材１２の周壁１２１ｂとを連結する。 Further, as shown in FIGS. 1 and 2, the portable lathe cover 1 is in a state where the first member 11 and the second member 12 are butted so as to form the cover main body 10 with the first member 11. The connecting members 113 and 123 for connecting the second member 12 are provided. As shown in FIGS. 3A to 4B, the connecting member 113 is provided at both ends of the peripheral wall 111b of the first member 11 in the X-axis direction. Further, the connecting member 123 is provided at both ends of the peripheral wall 121b of the second member 12 in the X-axis direction. As shown in FIG. 4C, the connecting member 123 has a hook-like shape. On the other hand, the connecting member 113 has a lever 113b, a support base 113a that rotatably supports the shaft portion 113d to which the lever 113b is pivotally attached, and an annular shape having a rectangular shape in a plan view, and the lever 113b is connected to the lever 113b via the shaft portion 113e. It has a ring 113c that is rotatably supported with respect to 113b. Then, the connecting member 113 is brought into contact with the peripheral wall 111b of the first member 11 and the peripheral wall 121b of the second member 12 by turning the lever 113b as shown by the arrow AR2 in a state where the ring 113c is hooked on the connecting member 123. To concatenate.
図１に戻って、蓋体１２５は、筒状部１０ａに設けられ、カバー本体１０の排出口１０ｆを覆う閉状態と排出口１０ｆを覆わない開状態とをとりうる。蓋体１２５は、筒状部１０ａの外周面に沿って湾曲した板状の形状を有する。蓋体１２５の−Ｘ方向側の端部は、筒状部１０ａにおける排出口１０ｆの外周部における−Ｘ方向側の部位に蝶番１２８を介して開閉自在に支持されている。また、蓋体１２５の＋Ｘ方向側の端部には、フック１２６が設けられている。ここで、第２部材１２の係止部１２７は、連結部材１１３と同様の構成であり、フック１２６にリングを掛止した状態で、レバーを旋回させることにより、フック１２６を係止する。これにより、蓋体１２５は、閉状態で維持される。 Returning to FIG. 1, the lid 125 is provided on the tubular portion 10a, and can be in a closed state that covers the discharge port 10f of the cover body 10 and an open state that does not cover the discharge port 10f. The lid body 125 has a plate-like shape curved along the outer peripheral surface of the tubular portion 10a. The end portion of the lid 125 on the −X direction side is supported openly and closably by a hinge 128 at a portion on the outer peripheral portion of the discharge port 10f in the tubular portion 10a on the −X direction side. A hook 126 is provided at the end of the lid 125 on the + X direction side. Here, the locking portion 127 of the second member 12 has the same configuration as the connecting member 113, and locks the hook 126 by turning the lever with the ring hooked on the hook 126. As a result, the lid body 125 is maintained in the closed state.
また、本実施の形態に係る可搬式旋盤用カバー１は、図５（Ａ）に示すように、円板状であり、カバー本体１０の第２壁１０ｃの第２開口部１０ｅを覆うようにカバー本体１０に取り付けられた補助カバー２を備える。この補助カバー２は、ワークＷ２の外形寸法とカバー本体１０の第１開口部１０ｄ、第２開口部１０ｅの内径寸法との差が予め設定された基準長さ以上の場合にカバー本体１０に取り付けられる第１補助カバーである。補助カバー２は、中央部に内径寸法が少なくとも旋盤本体１０１が装着されたワークＷ２の外径寸法よりも大きい第３開口部２０ａが設けられている。また、補助カバー２は、周部がカバー本体１０の係合部１１２ａ、１１２ｂ、１２２ａ、１２２ｂそれぞれに係合された状態でカバー本体１０に取り付けられる。そして、補助カバー２の第３開口部２０ａには、ワークＷ２が挿通される。また、補助カバー２における第３開口部２０ａの外周部には、その第３開口部２０ａを囲繞するように複数の係合部２１２ａ、２１２ｂが配設されている。係合部２１２ａ、２１２ｂは、後述する補助カバー４を補助カバー２に取り付けるための第２係合部である。補助カバー２は、第１部材１１に取り付けられる第１サブカバー２１と、第２部材１２に取り付けられる第２サブカバー２２と、を有する。第１サブカバー２１には、第１サブカバー２１の−Ｚ方向に向けて開口した半円状の切欠部２１ａが形成されるとともに、３つの係合部２１２ａ、２１２ｂが配設されている。また、第２サブカバー２２には、第２サブカバー２２の＋Ｚ方向に向けて開口した半円状の切欠部２２ａが形成されるとともに、３つの係合部２２２ａ、２２２ｂが配設されている。また、可搬式旋盤用カバー１は、図５（Ｂ）に示すように、カバー本体１０の第１壁１０ｂの第１開口部１０ｄを覆うようにカバー本体１０に取り付けられた補助カバー３も備える。補助カバー３は、補助カバー２と同様に円板状であり、中央部に開口部３０ａが形成されている。補助カバー３は、周部がカバー本体１０の係合部１１４に係合された状態でカバー本体１０に取り付けられる。 Further, as shown in FIG. 5A, the portable lathe cover 1 according to the present embodiment has a disk shape and covers the second opening 10e of the second wall 10c of the cover main body 10. An auxiliary cover 2 attached to the cover body 10 is provided. The auxiliary cover 2 is attached to the cover main body 10 when the difference between the external dimensions of the work W2 and the inner diameter dimensions of the first opening 10d and the second opening 10e of the cover main body 10 is equal to or larger than a preset reference length. It is the first auxiliary cover to be used. The auxiliary cover 2 is provided with a third opening 20a having an inner diameter dimension larger than the outer diameter dimension of the work W2 on which the lathe main body 101 is mounted at least in the central portion. Further, the auxiliary cover 2 is attached to the cover main body 10 in a state where the peripheral portion is engaged with each of the engaging portions 112a, 112b, 122a, 122b of the cover main body 10. Then, the work W2 is inserted into the third opening 20a of the auxiliary cover 2. Further, on the outer peripheral portion of the third opening 20a in the auxiliary cover 2, a plurality of engaging portions 212a and 212b are arranged so as to surround the third opening 20a. The engaging portions 212a and 212b are second engaging portions for attaching the auxiliary cover 4 described later to the auxiliary cover 2. The auxiliary cover 2 has a first sub-cover 21 attached to the first member 11 and a second sub-cover 22 attached to the second member 12. The first sub-cover 21 is formed with a semicircular notch 21a that opens in the −Z direction of the first sub-cover 21, and three engaging portions 212a and 212b are arranged. Further, the second sub-cover 22 is formed with a semicircular notch 22a that opens in the + Z direction of the second sub-cover 22, and three engaging portions 222a and 222b are arranged. .. Further, as shown in FIG. 5B, the portable lathe cover 1 also includes an auxiliary cover 3 attached to the cover main body 10 so as to cover the first opening 10d of the first wall 10b of the cover main body 10. .. The auxiliary cover 3 has a disk shape like the auxiliary cover 2, and an opening 30a is formed in the central portion. The auxiliary cover 3 is attached to the cover main body 10 in a state where the peripheral portion is engaged with the engaging portion 114 of the cover main body 10.
また、本実施の形態に係る可搬式旋盤用カバー１は、図６（Ａ）に示すように、円板状であり、カバー本体１０に補助カバー２が取り付けられた状態で、補助カバー２の第３開口部２０ａを覆うように補助カバー２に取り付けられた補助カバー４を備える。この補助カバー４は、ワークＷ１の旋盤本体１０１から＋Ｙ方向への突出量が予め設定された基準長さ以下の場合にカバー本体１０に取り付けられる第２補助カバーである。ここで、基準長さは、例えば図２に示すようにカバー本体１０の筒状部１０ａの筒軸Ｊ２方向の長さＷＤ１と旋盤本体１０１、可動部１０２およびツールモジュール１０４を合わせた部分の筒軸Ｊ２方向の長さＷＤ２との差よりも短い長さに設定される。補助カバー４は、図６（Ａ）および（Ｂ）に示すように、周部が補助カバー２の係合部２１２ａ、２１２ｂ、２２２ａ、２２２ｂそれぞれに係合された状態で補助カバー２に取り付けられる。また、補助カバー４は、第１部材１１に取り付けられる第３サブカバー４１と、第２部材１２に取り付けられる第４サブカバー４２と、を有する。 Further, as shown in FIG. 6A, the portable lathe cover 1 according to the present embodiment has a disk shape, and the auxiliary cover 2 is attached to the cover main body 10. An auxiliary cover 4 attached to the auxiliary cover 2 is provided so as to cover the third opening 20a. The auxiliary cover 4 is a second auxiliary cover attached to the cover main body 10 when the amount of protrusion of the work W1 from the lathe main body 101 in the + Y direction is equal to or less than a preset reference length. Here, the reference length is, for example, as shown in FIG. 2, the length WD1 of the tubular portion 10a of the cover main body 10 in the tubular axis J2 direction, the lathe main body 101, the movable portion 102, and the tool module 104. The length in the axis J2 direction is set to be shorter than the difference from the length WD2. As shown in FIGS. 6A and 6B, the auxiliary cover 4 is attached to the auxiliary cover 2 in a state where the peripheral portion is engaged with the engaging portions 212a, 212b, 222a, and 222b of the auxiliary cover 2, respectively. .. Further, the auxiliary cover 4 has a third sub-cover 41 attached to the first member 11 and a fourth sub-cover 42 attached to the second member 12.
以上説明したように、本実施の形態に係る可搬式旋盤用カバー１によれば、カバー本体１０が、筒状であり切り粉を排出するための排出口１０ｆが設けられた筒状部１０ａと、筒状部１０ａの−Ｙ方向側を閉塞する第１壁１０ｂと、筒状部１０ａの＋Ｙ方向側を閉塞する第２壁１０ｃと、蓋体１２５と、を有する。ここで、第１壁１０ｂは、中央部にワークＷ１を挿通するための第１開口部１０ｄが設けられるとともに、第１開口部１０ｄの外周部が旋盤本体１０１の−Ｙ方向側に固定されている。第２壁１０ｃは、中央部に内径寸法が少なくとも旋盤本体１０１が装着されたワークＷ１の外径寸法よりも大きい第２開口部１０ｅが設けられている。また、蓋体１２５は、筒状部１０ａに設けられ、排出口１０ｆを覆う閉状態と排出口１０ｆを覆わない開状態とをとりうる。これにより、ワークＷ１を切削加工する際、蓋体１２５を閉状態にすることによりワークＷ１から生じた切り粉をカバー本体１０内に集めることができ、カバー本体１０内に切り粉がある程度蓄積したときに蓋体１２５を開状態にすることにより、蓄積した切り粉をカバー本体１０外へ排出することができる。従って、作業者がワークＷ１を切削加工する際に生じる切り粉の処理を効率良く行うことができるので、その分、ワークＷ１の切削加工における作業性を高められる。また、可搬式旋盤１０００によるワークＷ１の切削時において切り粉の飛散が防止できるので、作業者の安全性も確保される。 As described above, according to the portable lathe cover 1 according to the present embodiment, the cover main body 10 is tubular and has a tubular portion 10a provided with a discharge port 10f for discharging chips. It has a first wall 10b that closes the −Y direction side of the tubular portion 10a, a second wall 10c that closes the + Y direction side of the tubular portion 10a, and a lid 125. Here, the first wall 10b is provided with a first opening 10d for inserting the work W1 in the central portion, and the outer peripheral portion of the first opening 10d is fixed to the −Y direction side of the lathe main body 101. There is. The second wall 10c is provided with a second opening 10e whose inner diameter is at least larger than the outer diameter of the work W1 on which the lathe body 101 is mounted. Further, the lid body 125 is provided on the tubular portion 10a, and can be in a closed state that covers the discharge port 10f and an open state that does not cover the discharge port 10f. As a result, when the work W1 is cut, the chips generated from the work W1 can be collected in the cover body 10 by closing the lid 125, and the chips are accumulated in the cover body 10 to some extent. Occasionally, by opening the lid 125, the accumulated chips can be discharged to the outside of the cover body 10. Therefore, since the operator can efficiently process the chips generated when the work W1 is cut, the workability in the cutting of the work W1 can be improved accordingly. In addition, since chips can be prevented from scattering when the work W1 is cut by the portable lathe 1000, the safety of the operator is also ensured.
また、本実施の形態に係るカバー本体１０が、第１部材１１と第２部材１２とに分割できる。これにより、旋盤本体１０１へのカバー本体１０の取り付けが容易になるので、その分、ワークＷ１の切削加工における作業性を高めることができる。 Further, the cover main body 10 according to the present embodiment can be divided into a first member 11 and a second member 12. As a result, the cover body 10 can be easily attached to the lathe body 101, and the workability in the cutting process of the work W1 can be improved accordingly.
更に、本実施の形態に係るカバー本体１０の筒状部１０ａには、ツール１０６の先端部へ潤滑油を供給するための供給孔１１５が設けられている。これにより、カバー本体１０を旋盤本体１０１から取り外すことなく、ツール１０６の先端部へ潤滑油を供給することができるので、ツール１０６の先端部へ潤滑油を供給する作業の作業性を高めることができる。 Further, the tubular portion 10a of the cover body 10 according to the present embodiment is provided with a supply hole 115 for supplying lubricating oil to the tip end portion of the tool 106. As a result, the lubricating oil can be supplied to the tip of the tool 106 without removing the cover body 10 from the lathe body 101, so that the workability of the work of supplying the lubricating oil to the tip of the tool 106 can be improved. it can.
また、本実施の形態に係る可搬式旋盤用カバー１は、中央部に第３開口部２０ａが設けられた補助カバー２を備える。これにより、例えばワークＷ２の外径寸法とカバー本体１０の第２開口部１０ｅの内径寸法との差が大きい場合に、ワークＷ２の外周面とカバー本体１０の第２開口部１０ｅとの間に生じる隙間を補助カバー２で覆うことができる。従って、ワークＷ２の外径寸法とカバー本体１０の第２開口部１０ｅの内径寸法との差が大きい場合でも、ワークＷ２から発生した切り粉の飛散が抑制できる。また、補助カバー２を着脱することにより、複数種類の外径寸法のワークＷ１、Ｗ２に対応することができるという利点もある。 Further, the portable lathe cover 1 according to the present embodiment includes an auxiliary cover 2 provided with a third opening 20a in the central portion. As a result, for example, when the difference between the outer diameter dimension of the work W2 and the inner diameter dimension of the second opening 10e of the cover body 10 is large, between the outer peripheral surface of the work W2 and the second opening 10e of the cover body 10. The generated gap can be covered with the auxiliary cover 2. Therefore, even when the difference between the outer diameter dimension of the work W2 and the inner diameter dimension of the second opening 10e of the cover body 10 is large, the scattering of chips generated from the work W2 can be suppressed. Further, by attaching / detaching the auxiliary cover 2, there is an advantage that the workpieces W1 and W2 having a plurality of types of outer diameters can be supported.
更に、本実施の形態に係る可搬式旋盤用カバー１は、補助カバー２の第３開口部２０ａを覆うように補助カバー２に取り付けられる補助カバー４を備える。これにより、ワークＷ１の旋盤本体１０１から＋Ｙ方向への突出量が前述の基準突出量以下の場合に、補助カバー２、４によりカバー本体１０の第２開口部１０ｅを閉塞することができる。従って、ワークＷ１から発生した切り粉が、カバー本体１０の＋Ｙ方向側へ飛散することを防止できる。 Further, the portable lathe cover 1 according to the present embodiment includes an auxiliary cover 4 attached to the auxiliary cover 2 so as to cover the third opening 20a of the auxiliary cover 2. As a result, when the amount of protrusion of the work W1 from the lathe body 101 in the + Y direction is equal to or less than the above-mentioned reference amount of protrusion, the auxiliary covers 2 and 4 can close the second opening 10e of the cover body 10. Therefore, it is possible to prevent the chips generated from the work W1 from scattering in the + Y direction side of the cover body 10.
以上、本発明の実施の形態について説明したが、本発明は前述の実施の形態の構成に限定されるものではない。例えばカバー本体１０の筒状部１０ａは、円筒状のものに限定されるものではなく、例えば角筒状であってもよいし、楕円筒状であってもよいし、或いは、断面が多角形の筒状であってもよい。 Although the embodiments of the present invention have been described above, the present invention is not limited to the configuration of the above-described embodiments. For example, the tubular portion 10a of the cover main body 10 is not limited to a cylindrical one, and may be, for example, a square cylinder, an elliptical cylinder, or a polygonal cross section. It may be in the shape of a cylinder.
実施の形態では、カバー本体１０が透明な樹脂から形成されている例について説明したが、カバー本体１０を形成する材料は透明な樹脂に限定されるものではなく、例えばアルミニウム、ステンレス等の金属から形成されていてもよい。 In the embodiment, an example in which the cover body 10 is formed of a transparent resin has been described, but the material for forming the cover body 10 is not limited to the transparent resin, and is made of a metal such as aluminum or stainless steel. It may be formed.
実施の形態では、カバー本体１０が２つの第１部材１１、第２部材１２に分割される例について説明したが、これに限らず、例えばカバー本体１０が３つ以上の部材に分割されるものであってもよい。或いは、カバー本体１０が例えば筒状部１０ａと第１壁１０ｂと第２壁１０ｃとに分割されるものであってもよい。また、実施の形態では、補助カバー２が、２つの第１サブカバー２１と第２サブカバー２２とに分割され、補助カバー４が、２つの第３サブカバー４１と第４サブカバー４２とに分割される例について説明した。但し、これに限らず、補助カバー２、４が、それぞれ３つ以上のサブカバーに分割されるものであってもよい。 In the embodiment, an example in which the cover main body 10 is divided into two first member 11 and a second member 12 has been described, but the present invention is not limited to this, and for example, the cover main body 10 is divided into three or more members. It may be. Alternatively, the cover main body 10 may be divided into, for example, a tubular portion 10a, a first wall 10b, and a second wall 10c. Further, in the embodiment, the auxiliary cover 2 is divided into two first sub-covers 21 and a second sub-cover 22, and the auxiliary cover 4 is divided into two third sub-covers 41 and a fourth sub-cover 42. An example of division has been described. However, the present invention is not limited to this, and the auxiliary covers 2 and 4 may be divided into three or more sub-covers, respectively.
実施の形態では、補助カバー３に他の補助カバーが取り付けられていない例について説明したが、これに限らず、例えば円板状であり中央部に内径寸法がワークの外径寸法よりも大きい開口部が形成された補助カバーが取り付けられてもよい。この場合、補助カバーは、その周部が補助カバー３の係合部３１４に係合された状態で補助カバー３に取り付けられるようにしてもよい。 In the embodiment, an example in which another auxiliary cover is not attached to the auxiliary cover 3 has been described, but the present invention is not limited to this, and the opening is not limited to this, for example, a disk-shaped opening having an inner diameter dimension larger than the outer diameter dimension of the work in the central portion. An auxiliary cover in which the portions are formed may be attached. In this case, the auxiliary cover may be attached to the auxiliary cover 3 with its peripheral portion engaged with the engaging portion 314 of the auxiliary cover 3.
以上、本発明の実施の形態および変形例（なお書きに記載したものを含む。以下、同様。）について説明したが、本発明はこれらに限定されるものではない。本発明は、実施の形態および変形例が適宜組み合わされたもの、それに適宜変更が加えられたものを含む。 Although the embodiments and modifications of the present invention (including those described in the notes; the same shall apply hereinafter) have been described above, the present invention is not limited thereto. The present invention includes an appropriate combination of embodiments and modifications, and an appropriate modification.
本発明は、発電設備、工場等の建設現場で使用される配管を可搬式旋盤により切削加工する作業に好適である。 The present invention is suitable for cutting pipes used at construction sites such as power generation facilities and factories with a portable lathe.
１：可搬式旋盤用カバー、２，３，４：補助カバー、９：螺子、１０：カバー本体、１０ａ：筒状部、１０ｂ：第１壁、１０ｃ：第２壁、１０ｄ：第１開口部、１０ｅ：第２開口部、１０ｆ：排出口、１１：第１部材、１２：第２部材、２０ａ：第３開口部、２１：第１サブカバー、２１ａ，２２ａ，１１１ｄ，１１１ｆ，１１１ｇ，１１１ｈ，１２１ｆ，１２１ｇ：切欠部、２２：第２サブカバー、３０ａ：開口部、４１：第３サブカバー、４２：第４サブカバー、１０１：旋盤本体、１０１ａ，１０１ｂ：サブ本体、１０２：可動部、１０２ａ，１０２ｂ：サブ可動部、１０３：モータユニット、１０４：ツールモジュール、１０５：ツールホルダ、１０６：ツール、１１１ａ，１１１ｃ，１２１ａ，１２１ｃ：側壁、１１１ｂ，１２１ｂ：周壁、１１１ｅ，１２１ｅ：貫通孔、１１２ａ，１１２ｂ，１１４，１２２ａ，１２２ｂ，１２４，２１２ａ，２１２ｂ，２２２ａ，２２２ｂ，３１４：係合部、１１３，１２３：連結部材、１１３ａ：支持台、１１３ｂ：レバー、１１３ｃ：リング、１１３ｄ，１１３ｅ：軸部、１１５：供給孔、１２５：蓋体、１２６：フック、１２７：係止部、１２８：蝶番、１０００：可搬式旋盤、ＣＬ，ＶＰＬ１，ＶＰＬ３，ＶＰＬ６，ＶＰＬ４１，ＶＰＬ４２，ＶＰＬ５１，ＶＰＬ５２，ＶＰＬ７１，ＶＰＬ７２，ＶＰＬ８１，ＶＰＬ８２：仮想平面、Ｊ１，Ｊ３，Ｊ４：中心軸、Ｊ２：筒軸、Ｗ１，Ｗ２：ワーク 1: Portable lathe cover, 2, 3, 4: Auxiliary cover, 9: Screw, 10: Cover body, 10a: Cylindrical part, 10b: First wall, 10c: Second wall, 10d: First opening 10, e: 2nd opening, 10f: discharge port, 11: 1st member, 12: 2nd member, 20a: 3rd opening, 21: 1st sub cover, 21a, 22a, 111d, 111f, 111g, 111h , 121f, 121g: Notch, 22: 2nd sub cover, 30a: Opening, 41: 3rd sub cover, 42: 4th sub cover, 101: Lathe body, 101a, 101b: Sub body, 102: Moving part , 102a, 102b: Sub-movable part, 103: Motor unit, 104: Tool module, 105: Tool holder, 106: Tool, 111a, 111c, 121a, 121c: Side wall, 111b, 121b: Peripheral wall, 111e, 121e: Through hole , 112a, 112b, 114, 122a, 122b, 124, 212a, 212b, 222a, 222b, 314: engaging part, 113, 123: connecting member, 113a: support base, 113b: lever, 113c: ring, 113d, 113e : Shaft, 115: Supply hole, 125: Cover, 126: Hook, 127: Locking part, 128: Hinge, 1000: Portable lathe, CL, VPL1, VPL3, VPL6, VPL41, VPL42, VPL51, VPL52, VPL71, VPL72, VPL81, VPL82: Virtual plane, J1, J3, J4: Central axis, J2: Cylindrical axis, W1, W2: Work
Claims (6)
筒状であり周壁に内側に溜まった切り粉を排出するための排出口が設けられ、内側に前記旋盤本体、前記可動部および前記ツールモジュールが配置される筒状部と、
前記筒状部の筒軸方向における一端側を閉塞し中央部に前記ワークを挿通するための第１開口部が設けられるとともに、前記第１開口部の外周部が前記旋盤本体の厚さ方向における他端側に固定される第１壁と、
前記筒状部の筒軸方向における他端側を閉塞し中央部に内径寸法が少なくとも前記旋盤本体が装着された前記ワークの外径寸法よりも大きい第２開口部が設けられた第２壁と、を有するカバー本体と、
前記筒状部に設けられ、前記排出口を覆う閉状態と前記排出口を覆わない開状態とをとりうる蓋体と、備える、
可搬式旋盤用カバー。 An annular lathe body, and a movable portion that is annular and is arranged on one end side in the thickness direction of the lathe body and rotates about a central axis along the thickness direction of the lathe body with respect to the lathe body. A tool module that holds a tool fixed to the movable portion for cutting a cylindrical workpiece in a posture in which the tip portion of the tool projects toward the central axis side of the lathe body in a direction orthogonal to the central axis of the lathe body. A cover for a portable lathe that is mounted on a portable lathe equipped with
A tubular portion having a tubular shape and having a discharge port for discharging chips accumulated inside on the peripheral wall, and a tubular portion on which the lathe body, the movable portion, and the tool module are arranged,
One end side of the tubular portion in the tubular axis direction is closed, and a first opening for inserting the work is provided in the central portion, and the outer peripheral portion of the first opening is in the thickness direction of the lathe body. The first wall fixed to the other end side,
A second wall in which the other end side of the tubular portion in the tubular axis direction is closed and a second opening having an inner diameter dimension larger than the outer diameter dimension of the work on which the lathe body is mounted is provided at the central portion. With the cover body,
A lid provided on the tubular portion and capable of taking a closed state covering the discharge port and an open state not covering the discharge port is provided.
Cover for portable lathes.
前記カバー本体を、前記筒状部の前記筒軸を含み且つ前記筒軸方向に平行な１つの第１仮想平面で分割したときの一方に相当する形状を有する第１部材と、
前記カバー本体を、前記仮想平面で分割したときの他方に相当する形状を有する第２部材と、を有し、
前記第１部材と前記第２部材とが前記カバー本体を構成するように突き合わされた状態で、前記第１部材と前記第２部材とを連結する連結部材を更に備える、
請求項１に記載の可搬式旋盤用カバー。 The cover body
A first member having a shape corresponding to one of the cover main body including the tubular shaft of the tubular portion and divided by one first virtual plane parallel to the tubular shaft direction.
The cover body has a second member having a shape corresponding to the other when divided by the virtual plane.
A connecting member for connecting the first member and the second member is further provided in a state where the first member and the second member are butted so as to form the cover main body.
The cover for a portable lathe according to claim 1.
請求項１または２に記載の可搬式旋盤用カバー。 The tubular portion includes a part of the tubular portion that intersects with a second virtual plane including a locus drawn by the tip portion of the tool in a state where the cover body is fixed to the lathe body. As described above, a supply hole for supplying lubricating oil to the tip of the tool is provided.
The cover for a portable lathe according to claim 1 or 2.
板状であり中央部に内径寸法が少なくとも前記旋盤本体が装着された前記ワークの外径寸法よりも大きい第３開口部が設けられるとともに、周部が前記複数の第１係合部それぞれに係合された状態で前記カバー本体に取り付けられる第１補助カバーを更に備える、
請求項１から３のいずれか１項に記載の可搬式旋盤用カバー。 A plurality of first engaging portions are arranged on the outer peripheral portion of the second opening on the second wall so as to surround the second opening.
A third opening that is plate-shaped and has an inner diameter that is at least larger than the outer diameter of the work on which the lathe body is mounted is provided, and a peripheral portion is engaged with each of the plurality of first engaging portions. A first auxiliary cover that is attached to the cover body in the combined state is further provided.
The cover for a portable lathe according to any one of claims 1 to 3.
板状であり周部が前記複数の第２係合部それぞれに係合された状態で前記第１補助カバーに取り付けられる第２補助カバーを更に備える、
請求項４に記載の可搬式旋盤用カバー。 A plurality of second engaging portions are arranged on the outer peripheral portion of the third opening in the first auxiliary cover so as to surround the third opening.
A second auxiliary cover that is plate-shaped and has a peripheral portion that is attached to the first auxiliary cover in a state of being engaged with each of the plurality of second engaging portions is further provided.
The cover for a portable lathe according to claim 4.
円環状であり前記旋盤本体の厚さ方向における一端側に配置され前記旋盤本体に対して前記旋盤本体の厚さ方向に沿った中心軸周りに回転する可動部と、
前記可動部に固定され円筒状のワークを切削するためのツールを前記ツールの先端部が前記旋盤本体の中心軸に直交する方向において前記旋盤本体の中心軸側へ突出する姿勢で保持するツールモジュールと、
前記旋盤本体に固定される可搬式旋盤用カバーと、を備える可搬式旋盤であって、
前記可搬式旋盤用カバーは、
筒状であり周壁に内側に溜まった切り粉を排出するための排出口が設けられ、内側に前記旋盤本体、前記可動部および前記ツールモジュールが配置される筒状部と、
前記筒状部の筒軸方向における一端側を閉塞し中央部に前記ワークを挿通するための第１開口部が設けられるとともに、前記第１開口部の外周部が前記旋盤本体の厚さ方向における他端側に固定される第１壁と、
前記筒状部の筒軸方向における他端側を閉塞し中央部に内径寸法が少なくとも前記旋盤本体が装着された前記ワークの外径寸法よりも大きい第２開口部が設けられた第２壁と、を有するカバー本体と、
前記筒状部に設けられ、前記排出口を覆う閉状態と前記排出口を覆わない開状態とをとりうる蓋体と、を有する、
可搬式旋盤。 An annular lathe body and
A movable portion that is annular and is arranged on one end side in the thickness direction of the lathe body and rotates around a central axis along the thickness direction of the lathe body with respect to the lathe body.
A tool module that holds a tool fixed to the movable portion for cutting a cylindrical workpiece in a posture in which the tip portion of the tool projects toward the central axis side of the lathe body in a direction orthogonal to the central axis of the lathe body. When,
A portable lathe including a cover for a portable lathe fixed to the lathe body.
The portable lathe cover is
A tubular portion having a tubular shape and having a discharge port for discharging chips accumulated inside on the peripheral wall, and a tubular portion on which the lathe body, the movable portion, and the tool module are arranged,
One end side of the tubular portion in the tubular axis direction is closed, and a first opening for inserting the work is provided in the central portion, and the outer peripheral portion of the first opening is in the thickness direction of the lathe body. The first wall fixed to the other end side,
A second wall in which the other end side of the tubular portion in the tubular axis direction is closed and a second opening having an inner diameter dimension larger than the outer diameter dimension of the work on which the lathe body is mounted is provided at the central portion. With the cover body,
It has a lid provided on the tubular portion and capable of taking a closed state covering the discharge port and an open state not covering the discharge port.
Portable lathe.
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|---|---|---|---|---|
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| US4452110A (en) * | 1981-08-24 | 1984-06-05 | Emmerson John O | Portable lathe |
| JPH02503173A (en) * | 1987-04-03 | 1990-10-04 | トリ・ツール・インコーポレイテッド | Portable lathe sliding bearing device |
| JPH10225811A (en) * | 1998-03-25 | 1998-08-25 | Mirai Ind Co Ltd | Drilling tool with chip receiving cover body |
| JP2002036062A (en) * | 2000-07-28 | 2002-02-05 | Ebara Corp | Chip dispersion prevention cover around blade tip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5474993U (en) * | 1977-11-07 | 1979-05-28 | ||
| JPS58501315A (en) * | 1981-08-24 | 1983-08-11 | テ−・ア−ル・アイ ツ−ル・インコ−ポレイテツド | Pipe end processing tools |
| US4452110A (en) * | 1981-08-24 | 1984-06-05 | Emmerson John O | Portable lathe |
| JPH02503173A (en) * | 1987-04-03 | 1990-10-04 | トリ・ツール・インコーポレイテッド | Portable lathe sliding bearing device |
| JPH10225811A (en) * | 1998-03-25 | 1998-08-25 | Mirai Ind Co Ltd | Drilling tool with chip receiving cover body |
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