JPH11291120A - Cutting method using rotary cutter and cutting device having rotary cutter - Google Patents
Cutting method using rotary cutter and cutting device having rotary cutterInfo
- Publication number
- JPH11291120A JPH11291120A JP10094391A JP9439198A JPH11291120A JP H11291120 A JPH11291120 A JP H11291120A JP 10094391 A JP10094391 A JP 10094391A JP 9439198 A JP9439198 A JP 9439198A JP H11291120 A JPH11291120 A JP H11291120A
- Authority
- JP
- Japan
- Prior art keywords
- cut
- cutting
- rotary blade
- rotary cutter
- cutting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Shearing Machines (AREA)
- Sawing (AREA)
- Accessories And Tools For Shearing Machines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、回転刃を用いて切
断対象物を切断する回転刃を用いた切断方法及び回転刃
を有する切断装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting method using a rotary blade for cutting an object to be cut using the rotary blade, and a cutting apparatus having the rotary blade.
【０００２】[0002]
【従来の技術】従来、切断対象物をコンベアによって搬
送し、前記コンベアの搬送路中に配置したディスク状の
回転刃を通過させることにより、前記切断対象物を前記
回転刃で切断することが知られている。2. Description of the Related Art Conventionally, it has been known that an object to be cut is conveyed by a conveyer and passed through a disk-shaped rotary blade arranged in a conveying path of the conveyor, whereby the object to be cut is cut by the rotary blade. Have been.
【０００３】[0003]
【発明が解決しようとする課題】しかし、前述の従来の
技術においては、切断対象物の切断面と回転刃とが密着
し、両者間の摩擦力が大きくなり、回転刃の回転速度が
低下してしまうという問題があった。ここで、回転刃の
回転速度を維持するためには、回転刃を駆動するモータ
等のトルクを大きくする必要があった。また、前記摩擦
力が大きくなると、切断面や回転刃が発熱するととも
に、切断面の品質が低下する等の問題があった。さらに
は、切断対象物の切断面と回転刃とが密着すると、回転
刃の回転力によって切断対象物がコンベア上から投げ出
される場合があるという問題があった。したがって、本
発明が解決しようとする課題は、切断対象物の切断面と
回転刃との密着を防止し、両者間の摩擦力を低減するこ
とである。However, in the above-mentioned prior art, the cutting surface of the object to be cut comes into close contact with the rotary blade, the frictional force between the two increases, and the rotational speed of the rotary blade decreases. There was a problem that would. Here, in order to maintain the rotation speed of the rotary blade, it was necessary to increase the torque of a motor or the like that drives the rotary blade. In addition, when the frictional force increases, there is a problem that the cut surface and the rotary blade generate heat and the quality of the cut surface is deteriorated. Furthermore, when the cutting surface of the object to be cut comes into close contact with the rotary blade, there is a problem that the object to be cut may be thrown out of the conveyor by the rotational force of the rotary blade. Therefore, a problem to be solved by the present invention is to prevent the cut surface of the object to be cut from coming into close contact with the rotary blade and reduce the frictional force between the two.
【０００４】[0004]
【課題を解決するための手段】上述の課題を解決するた
めに、請求項１の発明は、ディスク状の回転刃により切
断対象物を切断する回転刃を用いた切断方法において、
前記切断対象物の切り口に向けて気体を噴射しつつ前記
切断対象物を切断することを特徴とする。According to a first aspect of the present invention, there is provided a cutting method using a rotary blade for cutting an object to be cut by a disk-shaped rotary blade.
It is characterized in that the object to be cut is cut while injecting gas toward the cut end of the object to be cut.
【０００５】請求項２の発明は、切断対象物をコンベア
によって搬送し、前記コンベアの搬送路中に配置したデ
ィスク状の回転刃を通過させることにより、前記切断対
象物を前記回転刃で切断する回転刃を有する切断装置に
おいて、前記切断対象物の切断時に前記切断対象物の切
り口に向けて気体を噴射するノズルを備えることを特徴
とする。According to a second aspect of the present invention, the object to be cut is conveyed by a conveyer, and the object to be cut is cut by the rotary blade by passing through a disk-shaped rotary blade arranged in a conveying path of the conveyor. In a cutting device having a rotary blade, a nozzle for injecting gas toward a cut end of the cutting target when cutting the cutting target is provided.
【０００６】[0006]
【作用】本発明においては、切断対象物が回転刃により
切断されるときは、（ノズルから）気体が切断対象物の
切り口に向けて噴射される。この気体により、切断対象
物の切断面と回転刃との密着が防止され、両者間の摩擦
力が小さくなる。In the present invention, when the object to be cut is cut by the rotary blade, gas (from a nozzle) is jetted toward the cut end of the object to be cut. This gas prevents close contact between the cutting surface of the object to be cut and the rotary blade, and reduces the frictional force between the two.
【０００７】[0007]
【発明の実施の形態】以下、図面等を参照して、本発明
の一実施形態について説明する。図１は、本発明の一実
施形態である切断装置１０を示す正面図及び側面図であ
る。また、図２は、図１の切断装置１０の平面図であ
る。切断装置１０において、回転刃１１は、周縁部に切
れ刃を有するディスク状体であり、回転軸１２により回
転自在に支持されている。回転軸１２は、駆動モータ
（図示せず）と連結され、その駆動モータにより駆動さ
れる。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view and a side view showing a cutting device 10 according to an embodiment of the present invention. FIG. 2 is a plan view of the cutting device 10 of FIG. In the cutting device 10, the rotary blade 11 is a disk-shaped body having a cutting edge on a peripheral edge, and is rotatably supported by a rotary shaft 12. The rotating shaft 12 is connected to a drive motor (not shown) and is driven by the drive motor.
【０００８】コンベア１３は、載置された切断対象物１
を搬送して回転刃１１を通過させるものである。コンベ
ア１３において、２つの無端ベルト１３ａ及び１３ｂ
は、回転刃１１と接触しないように回転刃１１の両面側
に一定間隔を隔てて並設されるとともに、切断対象物１
の載置面が切断刃１１の下端よりやや上側となるように
配置されている。そして、これらの無端ベルト１３ａ及
び１３ｂは、それぞれ駆動ローラ１３ｃ及び１３ｄによ
って張設されている。いずれか一方の駆動ローラ１３ｃ
又は１３ｄは、駆動モータ（図示せず）と連結され、そ
の駆動モータにより回転駆動される。[0008] The conveyor 13 is provided with the cut object 1 placed thereon.
Is transported and passed through the rotary blade 11. In the conveyor 13, two endless belts 13a and 13b
Are arranged at regular intervals on both sides of the rotary blade 11 so as not to come into contact with the rotary blade 11.
Of the cutting blade 11 is slightly above the lower end of the cutting blade 11. These endless belts 13a and 13b are stretched by drive rollers 13c and 13d, respectively. Any one of the drive rollers 13c
Or, 13d is connected to a drive motor (not shown) and is rotationally driven by the drive motor.
【０００９】ノズル１４は、送風機（図示せず）と連結
され、この送風機から送られるエアーを噴射するもので
ある。ノズル１４は、回転刃１１の両面側に配置され、
その先端口１４ａが切断対象物１の切り口（切断対象物
１の切断面と回転刃１１との接触面）を向くように配置
される。ノズル１４は、図示しないが、回転刃１１やコ
ンベア１３と干渉しないようにアーム等に取り付けら
れ、固定されている。The nozzle 14 is connected to a blower (not shown), and injects air sent from the blower. The nozzles 14 are arranged on both sides of the rotary blade 11,
The tip opening 14a is arranged so as to face the cut end of the cutting object 1 (the contact surface between the cutting surface of the cutting object 1 and the rotary blade 11). Although not shown, the nozzle 14 is fixed to an arm or the like so as not to interfere with the rotary blade 11 or the conveyor 13.
【００１０】以上の構成からなる切断装置１０におい
て、切断対象物１を回転刃１１で切断するときは、コン
ベア１３の無端ベルト１３ａ及び１３ｂの双方にまたが
るように切断対象物１を載置し、駆動ローラ１３ｃ及び
１３ｄを回転駆動して無端ベルト１３ａ及び１３ｂを回
転させ、切断対象物１を切断刃１１側に搬送する。そし
て、切断対象物１を、駆動軸１２により回転される回転
刃１１を通過させることにより、切断する。このとき
に、前記送風機を作動させて、切断対象物１の切り口に
向けてノズル１４からエアーを噴射する。In the cutting apparatus 10 having the above-described configuration, when the cutting object 1 is cut by the rotary blade 11, the cutting object 1 is placed so as to straddle both the endless belts 13a and 13b of the conveyor 13, The drive rollers 13c and 13d are rotated to rotate the endless belts 13a and 13b, and the object 1 to be cut is conveyed to the cutting blade 11 side. Then, the object to be cut 1 is cut by passing through the rotary blade 11 rotated by the drive shaft 12. At this time, the blower is operated to inject air from the nozzle 14 toward the cut end of the object 1 to be cut.
【００１１】したがって、切断対象物１が切断されると
きは、切断対象物１の切断面１ａと回転刃１１の表面と
の間にエアーが入り込むので、両者の密着を防止するこ
とができる。これにより、両者間の摩擦力を小さくする
ことができ、切断抵抗を小さくし、切断面の品質を高め
ることができる。Therefore, when the object to be cut 1 is cut, air enters between the cut surface 1a of the object to be cut 1 and the surface of the rotary blade 11, so that close contact between the two can be prevented. Thereby, the frictional force between the two can be reduced, the cutting resistance can be reduced, and the quality of the cut surface can be improved.
【００１２】以上、本発明の一実施形態について説明し
たが、本発明は、上述した実施形態に限定されることな
く、種々の変形が可能である。例えば、実施形態ではノ
ズル１４からエアーを噴射するようにしたが、エアーに
限らず、Ｎ２ 、Ｏ２ 又はＣＯ２ 等のいかなる気体を
用いても良い。また、実施形態では、回転刃１１側を固
定しておき、コンベア１３によって切断対象物１側を移
動させて切断したが、これとは逆に、切断対象物１側を
固定しておき、回転刃１１及びノズル１４側を移動させ
て切断することも可能である。また、回転刃１１に超音
波振動を乗せれば、さらに切れ味を向上させることが可
能である。Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications can be made. For example, in the embodiment, air is jetted from the nozzle 14, but not limited to air, any gas such as N 2 , O 2, or CO 2 may be used. Further, in the embodiment, the rotary blade 11 is fixed, and the cutting object 1 is moved by the conveyor 13 to perform cutting. On the contrary, the cutting object 1 is fixed, and Cutting can also be performed by moving the blade 11 and the nozzle 14 side. If ultrasonic vibration is put on the rotary blade 11, the sharpness can be further improved.
【００１３】[0013]
【発明の効果】本発明によれば、切断対象物の切り口に
向けて気体を噴射するので、切断対象物と回転刃との密
着を防止することができる。これにより、両者間の摩擦
力を小さくし、回転刃の回転速度の低下を防止し、切断
面や回転刃の発熱を防止し、切断面の品質を高めること
ができる。さらに、回転刃の回転力によって切断対象物
がコンベア上から投げ出されることを防止することがで
きる。また、気体を用いているので、切断対象物を汚す
こと等なく切削粉を切断対象物や回転刃から分離するこ
とができる。According to the present invention, the gas is jetted toward the cut edge of the cutting object, so that the close contact between the cutting object and the rotary blade can be prevented. Thereby, the frictional force between the two can be reduced, the rotation speed of the rotary blade can be prevented from lowering, the cut surface and the rotary blade can be prevented from generating heat, and the quality of the cut surface can be improved. Further, it is possible to prevent the object to be cut from being thrown out of the conveyor by the rotational force of the rotary blade. Further, since the gas is used, the cutting powder can be separated from the cutting object and the rotary blade without polluting the cutting object.
【図１】本発明の切断装置の一実施形態を示す正面図及
び側面図である。FIG. 1 is a front view and a side view showing an embodiment of a cutting device of the present invention.
【図２】図１の切断装置の平面図である。FIG. 2 is a plan view of the cutting device of FIG. 1;
１ 切断対象物 １ａ 切断面 １０ 切断装置 １１ 回転刃 １２ 回転軸 １３ コンベア １３ａ、１３ｂ 無端ベルト １３ｃ、１３ｄ 駆動ローラ １４ ノズル １４ａ 先端口 DESCRIPTION OF SYMBOLS 1 Cutting object 1a Cutting surface 10 Cutting device 11 Rotary blade 12 Rotary shaft 13 Conveyor 13a, 13b Endless belt 13c, 13d Drive roller 14 Nozzle 14a Tip end
Claims (2)
切断する回転刃を用いた切断方法において、 前記切断対象物の切り口に向けて気体を噴射しつつ前記
切断対象物を切断することを特徴とする回転刃を用いた
切断方法。1. A cutting method using a rotary blade for cutting an object to be cut by a disk-shaped rotary blade, wherein the object to be cut is cut while jetting gas toward a cut end of the object to be cut. Cutting method using a rotating blade.
前記コンベアの搬送路中に配置したディスク状の回転刃
を通過させることにより、前記切断対象物を前記回転刃
で切断する回転刃を有する切断装置において、 前記切断対象物の切断時に前記切断対象物の切り口に向
けて気体を噴射するノズルを備えることを特徴とする回
転刃を有する切断装置。2. An object to be cut is transported by a conveyor,
A cutting device having a rotary blade that cuts the object to be cut by the rotary blade by passing a disk-shaped rotary blade disposed in a conveyance path of the conveyor, wherein the object to be cut is cut when the object to be cut is cut. A cutting device having a rotary blade, comprising a nozzle for injecting a gas toward a cut end of the cutting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10094391A JPH11291120A (en) | 1998-04-07 | 1998-04-07 | Cutting method using rotary cutter and cutting device having rotary cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10094391A JPH11291120A (en) | 1998-04-07 | 1998-04-07 | Cutting method using rotary cutter and cutting device having rotary cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11291120A true JPH11291120A (en) | 1999-10-26 |
Family
ID=14108986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10094391A Pending JPH11291120A (en) | 1998-04-07 | 1998-04-07 | Cutting method using rotary cutter and cutting device having rotary cutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11291120A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008161962A (en) * | 2006-12-27 | 2008-07-17 | Showa Denko Kk | Cutting method for pipe material |
| CN104722827A (en) * | 2013-12-23 | 2015-06-24 | 鞍钢股份有限公司 | Shearing method of coated and high-alloy steel strips |
-
1998
- 1998-04-07 JP JP10094391A patent/JPH11291120A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008161962A (en) * | 2006-12-27 | 2008-07-17 | Showa Denko Kk | Cutting method for pipe material |
| CN104722827A (en) * | 2013-12-23 | 2015-06-24 | 鞍钢股份有限公司 | Shearing method of coated and high-alloy steel strips |
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