JP2007083335A - Pipe cutter - Google Patents

Pipe cutter Download PDF

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Publication number
JP2007083335A
JP2007083335A JP2005274205A JP2005274205A JP2007083335A JP 2007083335 A JP2007083335 A JP 2007083335A JP 2005274205 A JP2005274205 A JP 2005274205A JP 2005274205 A JP2005274205 A JP 2005274205A JP 2007083335 A JP2007083335 A JP 2007083335A
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Prior art keywords
holder
workpiece
movable part
cutter blade
upper holder
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JP2005274205A
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Japanese (ja)
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Morikazu Ohira
守一 大平
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OOMI KK
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OOMI KK
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Priority to JP2005274205A priority Critical patent/JP2007083335A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To improve operation efficiency by saving troubles in holding a workpiece. <P>SOLUTION: A pipe cutter has a die holder 1 including a lower holder 7, and a punch holder 2 including an upper holder 19 and a cutter edge 24. When the upper holder 19 lowers toward the die holder 1, the upper holder 19 and the lower holder 7 grip the workpiece W, and the cutter edge 24 cuts the gripped workpiece W. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は各種パイプを切断する装置に関する。   The present invention relates to an apparatus for cutting various pipes.

工場出荷のパイプは所定の長さに切断して使用されている。パイプの切断は、例えば特許文献1に示すような回転刃で行っている。
特開2004−136387号公報
The factory-shipped pipe is cut into a predetermined length and used. The pipe is cut with a rotary blade as shown in Patent Document 1, for example.
JP 2004-136387 A

しかし、特許文献1の方法では、パイプの外周にチェーンを巻き付けてパイプを保持し、その状態でパイプを回転刃で切断しなければならず、チェーンの装着に手間を要し、作業能率が良くない。   However, in the method of Patent Document 1, the chain is wound around the outer periphery of the pipe to hold the pipe, and in that state, the pipe must be cut with a rotary blade. Absent.

本発明は、このような事情に鑑み、ワーク保持の手間を省いて作業能率を高めたパイプ切断装置を提供することを目的とする。   In view of such circumstances, an object of the present invention is to provide a pipe cutting device that eliminates the labor of holding a workpiece and improves work efficiency.

上記課題を解決するための本発明は、下部ホルダを備えたベース部と、上部ホルダとカッター刃を備えた可動部とからなり、可動部がベース部側に降下する際、上部ホルダと下部ホルダがワークを挟持し、その後、カッター刃がワークを切断することを特徴とする。   The present invention for solving the above problems comprises a base portion having a lower holder and a movable portion having an upper holder and a cutter blade. When the movable portion descends to the base portion side, the upper holder and the lower holder Sandwiches the workpiece, and then the cutter blade cuts the workpiece.

上部ホルダはクッション手段を介して可動部に設置されるとともに、カッター刃は可動部に固設され、上部ホルダと下部ホルダには、カッター刃が通過するスリットが形成されているのが好ましい。   It is preferable that the upper holder is installed on the movable part via the cushion means, the cutter blade is fixed on the movable part, and the upper holder and the lower holder are formed with slits through which the cutter blade passes.

上部ホルダと下部ホルダは左右に分割されるとともに、分割された各セグメントには傾斜面が形成され、可動部の降下に際し、これら傾斜面がベース部側または可動部側の傾斜面上を摺動し、各セグメントが内側へ移動してワークを挟持するように構成するのが好ましい。   The upper holder and the lower holder are divided into left and right, and an inclined surface is formed in each divided segment, and when the movable part descends, these inclined surfaces slide on the inclined surface on the base part side or the movable part side. However, it is preferable that each segment moves inward to hold the workpiece.

本発明によれば、可動部の降下にともなって、上部ホルダと下部ホルダがワークを挟持し、挟持されたワークをカッター刃が切断するので、ワークを保持する手間が省け、作業能率が向上する。
さらに、切断加工によるワークの変形がなくなるという効果もある。
According to the present invention, as the movable part descends, the upper holder and the lower holder hold the workpiece, and the cutter blade cuts the sandwiched workpiece, so that the labor for holding the workpiece is saved and the work efficiency is improved. .
Further, there is an effect that the workpiece is not deformed by the cutting process.

以下、本発明の実施形態を添付図面に基づいて詳細に説明する。
図1は本発明のパイプ切断装置を示している。
同図において、1はベース部としてのダイホルダ、2は可動部としてのパンチホルダである。ダイホルダ1の両端にはロッド3が立設されており、これらロッド3,3の上端部はパンチホルダ2の下面に固設されたスリーブ4に挿入されている。パンチホルダ2はプレス装置のラム(図示せず)に連結されている。
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
FIG. 1 shows a pipe cutting apparatus according to the present invention.
In the figure, 1 is a die holder as a base part, and 2 is a punch holder as a movable part. Rods 3 are erected on both ends of the die holder 1, and upper ends of the rods 3, 3 are inserted into a sleeve 4 fixed on the lower surface of the punch holder 2. The punch holder 2 is connected to a ram (not shown) of the press device.

図2と図3は同装置の縦断面を示す図であって、図2はパンチホルダ2が上死点に達した状態を示し、図3はパンチホルダ2が下死点に達した状態を示している。   2 and 3 are views showing a longitudinal section of the apparatus. FIG. 2 shows a state in which the punch holder 2 has reached the top dead center, and FIG. 3 shows a state in which the punch holder 2 has reached the bottom dead center. Show.

ダイホルダ1には左右一対のガイドブロック5,5をボルト6で固定し、これらガイドブロック5,5に下部ホルダ7を載置してある。下部ホルダ7は左右に2分割され、分割された各セグメント8,8はその傾斜面8aをガイドブロック5の傾斜面5aに当接させている。   A pair of left and right guide blocks 5, 5 are fixed to the die holder 1 with bolts 6, and a lower holder 7 is placed on these guide blocks 5, 5. The lower holder 7 is divided into left and right parts, and each of the divided segments 8 and 8 has an inclined surface 8 a abutting against the inclined surface 5 a of the guide block 5.

各セグメント8,8は、厚さ方向の両端部に配置した一対のボルト9,9によってダイホルダ1に移動可能に連結されている(図5参照)。すなわち、各セグメント8,8は、ボルト9の挿通孔を左右に延びる長孔にするとともに、その上面にボルト9の頭部9aが収まる溝10を形成し、その底面とボルト9の頭部9aとの間にクリアランスを設けてある。これによって、各セグメント8がガイドブロック5の傾斜面5a上を滑動可能にしてある。   Each segment 8, 8 is movably connected to the die holder 1 by a pair of bolts 9, 9 disposed at both ends in the thickness direction (see FIG. 5). That is, each of the segments 8 and 8 is a slot 9 in which the insertion hole of the bolt 9 is elongated to the left and right, and a groove 10 in which the head portion 9a of the bolt 9 is received is formed on the upper surface thereof. There is a clearance between them. As a result, each segment 8 can slide on the inclined surface 5 a of the guide block 5.

さらに、下部ホルダ7は、セグメント8,8の分割面を跨いで形成された凹部にスプリング11を収納してある。すなわち、このスプリング10がセグメント8,8を左右に押し広げ、常時は、その溝10の底面をボルト9の頭部9aに押し付けている。なお、ダイホルダ1と下部ホルダ7の間には固形潤滑剤12を充填してある。   Further, the lower holder 7 houses a spring 11 in a recess formed across the dividing surfaces of the segments 8 and 8. That is, the spring 10 spreads the segments 8 and 8 to the left and right, and normally the bottom surface of the groove 10 is pressed against the head 9 a of the bolt 9. A solid lubricant 12 is filled between the die holder 1 and the lower holder 7.

パンチホルダ2には、図2,3に示すようにホルダアッセンブリ13が上下動自在に設置されている。すなわち、ホルダアッセンブリ13のベース部材14はピン15でパンチホルダ2に連結してある。これによって、ホルダアッセンブリ12が上下動する際、ピン15の頭部15aがパンチホルダ2の孔16内を摺動する一方、ピン15の頭部15aが孔16の底面に係合して、パンチホルダ2がホルダアッセンブリ13を懸吊支持することになる。パンチホルダ2とホルダアッセンブリ13の間には、クッション手段としてのスプリング17を介装してある。   As shown in FIGS. 2 and 3, a holder assembly 13 is installed in the punch holder 2 so as to be movable up and down. That is, the base member 14 of the holder assembly 13 is connected to the punch holder 2 by the pin 15. Thus, when the holder assembly 12 moves up and down, the head portion 15a of the pin 15 slides in the hole 16 of the punch holder 2, while the head portion 15a of the pin 15 engages with the bottom surface of the hole 16 and punches. The holder 2 suspends and supports the holder assembly 13. A spring 17 as a cushion means is interposed between the punch holder 2 and the holder assembly 13.

ベース部材14には、左右一対のガイドブロック18,18をボルト30で固定してあり、これらガイドブロック18,18に上部ホルダ19を懸吊してある。上部ホルダ19は左右に2分割され、分割された各セグメント20,20はその傾斜面20aをガイドブロック18の傾斜面18aに当接させている。   A pair of left and right guide blocks 18, 18 are fixed to the base member 14 with bolts 30, and an upper holder 19 is suspended from these guide blocks 18, 18. The upper holder 19 is divided into left and right parts, and the divided segments 20, 20 abut the inclined surface 20 a against the inclined surface 18 a of the guide block 18.

各セグメント20,20は、厚さ方向の両端部に配置した一対のボルト21,21によってパンチホルダ2に対し移動可能に連結されている(図5参照)。すなわち、各セグメント20,20は、ボルト21の挿通孔を左右に延びる長孔にするとともに、その下面にボルト21の頭部21aが収まる溝22を形成し、その底面とボルト21の頭部21aとの間にクリアランスを設けてある。これによって、各セグメント20がガイドブロック20の傾斜面20a上を滑動可能にしてある。さらに、上部ホルダ19は、セグメント20,20の分割面を跨いで形成された凹部にスプリング23を収納してある。すなわち、このスプリング22がセグメント20,20を左右に押し広げ、常時は、その溝22の底面をボルト21の頭部21aに押し付けている。つまり、この状態で各セグメント20,20がパンチホルダ2に懸吊されている。   Each segment 20, 20 is movably connected to the punch holder 2 by a pair of bolts 21, 21 disposed at both ends in the thickness direction (see FIG. 5). That is, each segment 20, 20 is a long hole extending left and right through the insertion hole of the bolt 21, and a groove 22 in which the head 21 a of the bolt 21 is received is formed on the lower surface thereof, and the bottom surface and the head 21 a of the bolt 21 are formed. There is a clearance between them. Thus, each segment 20 is slidable on the inclined surface 20a of the guide block 20. Furthermore, the upper holder 19 houses a spring 23 in a recess formed across the dividing surfaces of the segments 20 and 20. That is, the spring 22 pushes the segments 20 and 20 left and right, and normally the bottom surface of the groove 22 is pressed against the head 21 a of the bolt 21. That is, the segments 20 are suspended from the punch holder 2 in this state.

パンチホルダ2の下面にはカッター刃24をボルト25で固定してある。下部ホルダ7と上部ホルダ19には、カッター刃24を通過させるスリット26を形成してある。さらに、下部ホルダ7と上部ホルダ19には、ワークWの挿通孔27を各セグメント8,20に跨って形成してある。   A cutter blade 24 is fixed to the lower surface of the punch holder 2 with bolts 25. The lower holder 7 and the upper holder 19 are formed with slits 26 through which the cutter blades 24 pass. Furthermore, the lower holder 7 and the upper holder 19 are formed with insertion holes 27 for the workpiece W across the segments 8 and 20.

次に、このパイプ切断装置の動作について説明する。   Next, the operation of this pipe cutting device will be described.

予め、ワークWの隅部で切断すべき箇所に孔を開けておく。   A hole is made in advance at a portion to be cut at the corner of the workpiece W.

まず、図2に示すようにパンチホルダ2を上死点まで移動させた状態でワークWを下部ホルダ7に載置する。次いで、図外のプレス装置でパンチホルダ2を降下させて、パンチホルダ2の下面のスリーブ4をロッド3に嵌合する。   First, as shown in FIG. 2, the workpiece W is placed on the lower holder 7 with the punch holder 2 moved to the top dead center. Next, the punch holder 2 is lowered by a press device (not shown), and the sleeve 4 on the lower surface of the punch holder 2 is fitted to the rod 3.

上部ホルダ19がワークWに当接するまでパンチホルダ2を降下させると、ホルダアッセンブリ13の降下が阻止されて、スプリング17の収縮が開始する。同時に、上部ホルダ19がワークWを介して下部ホルダ7を押圧するので、下部ホルダ7の各セグメント8,8がガイドブロック5,5にガイドされながら内側への移動を開始する。一方、上部ホルダ19にはワークWの押圧反力が作用するため、その各セグメント20,20がガイドブロック18,18にガイドされながら内側への移動を開始する。つまり、内側へ移動する4個のセグメント8,20によって、ワームWが挟持されることになる。   When the punch holder 2 is lowered until the upper holder 19 comes into contact with the workpiece W, the holder assembly 13 is prevented from being lowered, and the spring 17 starts to contract. At the same time, the upper holder 19 presses the lower holder 7 through the workpiece W, so that the segments 8, 8 of the lower holder 7 start moving inward while being guided by the guide blocks 5, 5. On the other hand, since the pressing reaction force of the workpiece W acts on the upper holder 19, the segments 20, 20 start moving inward while being guided by the guide blocks 18, 18. That is, the worm W is sandwiched between the four segments 8 and 20 that move inward.

パンチホルダ2をさらに降下させると、カッター刃24が上部ホルダ19と下部ホルダ7のスリット26を通過し、ワークWを切断する。その際、カッター刃24の先端がワークWの隅部の孔に入り込んでいくので、切断反力が小さくなり、ワークWの変形の防止に役立つ。   When the punch holder 2 is further lowered, the cutter blade 24 passes through the slits 26 of the upper holder 19 and the lower holder 7 to cut the workpiece W. At that time, since the tip of the cutter blade 24 enters the hole at the corner of the workpiece W, the cutting reaction force is reduced, which helps to prevent the workpiece W from being deformed.

このパイプ切断装置によれば、パンチホルダ2の降下にともなって、上部ホルダ19と下部ホルダ7がワークWを挟持し、挟持されたワークWをカッター刃24が切断するので、ワークWを保持する手間が省け、作業能率が向上する。   According to this pipe cutting device, as the punch holder 2 is lowered, the upper holder 19 and the lower holder 7 sandwich the workpiece W, and the cutter blade 24 cuts the sandwiched workpiece W, so that the workpiece W is held. Saves labor and improves work efficiency.

本発明のパイプ切断装置を示す正面図。The front view which shows the pipe cutting device of this invention. 同パイプ切断装置の縦断面図で、図3のパンチホルダ2が上死点に達した状態を示す図。The figure which shows the state which the punch holder 2 of FIG. 3 reached the top dead center in the longitudinal cross-sectional view of the pipe cutting device. 同パイプ切断装置の断面図で、図4のA−A線による断面を示す図。It is sectional drawing of the same pipe cutting device, and is a figure which shows the cross section by the AA line of FIG. 図3のB−B線による断面を示す図。The figure which shows the cross section by the BB line of FIG. 図3のC−C線による断面を示す図。The figure which shows the cross section by the CC line of FIG. カッター刃を示す図。The figure which shows a cutter blade.

符号の説明Explanation of symbols

1 ダイホルダ
2 パンチホルダ
3 ロッド
5 ガイドブロック
5a 傾斜面
7 下部ボルダ
8 セグメント
8a 傾斜面
11 スプリング
18 ガイドブロック
18a 傾斜面
19 上部ホルダ
20 セグメント
20a 傾斜面
23 スプリング
24 カッター刃
27 ワーク挿通孔
DESCRIPTION OF SYMBOLS 1 Die holder 2 Punch holder 3 Rod 5 Guide block 5a Inclined surface 7 Lower boulder 8 Segment 8a Inclined surface 11 Spring 18 Guide block 18a Inclined surface 19 Upper holder 20 Segment 20a Inclined surface 23 Spring 24 Cutter blade 27 Workpiece insertion hole

Claims (3)

下部ホルダを備えたベース部と、上部ホルダとカッター刃を備えた可動部とからなり、可動部がベース部側に降下する際、上部ホルダと下部ホルダがワークを挟持し、挟持されたワークをカッター刃が切断することを特徴とするパイプ切断装置。   It consists of a base part equipped with a lower holder and a movable part equipped with an upper holder and a cutter blade. When the movable part descends to the base part side, the upper holder and the lower holder sandwich the work, A pipe cutting device, wherein a cutter blade cuts. 上部ホルダはクッション手段を介して可動部に設置されるとともに、カッター刃は可動部に固設され、上部ホルダと下部ホルダには、カッター刃が通過するスリットが形成されていることを特徴とする請求項1に記載のパイプ切断装置。   The upper holder is installed on the movable part via the cushion means, the cutter blade is fixed on the movable part, and the upper holder and the lower holder are formed with slits through which the cutter blade passes. The pipe cutting device according to claim 1. 上部ホルダと下部ホルダは左右に分割されるとともに、分割された各セグメントには傾斜面が形成され、可動部の降下に際し、これら傾斜面がベース部側または可動部側の傾斜面上を摺動し、各セグメントが内側へ移動してワークを挟持することを特徴とする請求項1または請求項2に記載のパイプ切断装置。   The upper holder and the lower holder are divided into left and right, and an inclined surface is formed in each divided segment, and when the movable part descends, these inclined surfaces slide on the inclined surface on the base part side or the movable part side. And each segment moves inside and clamps a workpiece | work, The pipe cutting device of Claim 1 or Claim 2 characterized by the above-mentioned.
JP2005274205A 2005-09-21 2005-09-21 Pipe cutter Pending JP2007083335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005274205A JP2007083335A (en) 2005-09-21 2005-09-21 Pipe cutter

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Application Number Priority Date Filing Date Title
JP2005274205A JP2007083335A (en) 2005-09-21 2005-09-21 Pipe cutter

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JP2007083335A true JP2007083335A (en) 2007-04-05

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8091455B2 (en) * 2008-01-30 2012-01-10 Cummins Filtration Ip, Inc. Apparatus, system, and method for cutting tubes
CN103143647A (en) * 2013-01-23 2013-06-12 林小平 Micro-scale shaft cutting die
DE202013100984U1 (en) * 2013-03-07 2014-03-10 Miroslaw Pastuszka Separation aid for pipes or profiles
CN103691799A (en) * 2013-12-18 2014-04-02 苏州托克斯冲压设备有限公司 Cutting-compressing molding equipment for waist-shaped pipe end surface
KR101735273B1 (en) 2015-10-07 2017-05-15 (주)디엠피테크 Apparatus of manufacturing a multi-row refrigerant tube and method of manufacturing the refrigerant tube
CN107081466A (en) * 2017-05-12 2017-08-22 泰州库宝制冷设备制造有限公司 Clamping device for cutting air conditioner copper pipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63185511A (en) * 1987-01-28 1988-08-01 Honda Motor Co Ltd Method of cutting pipe and cutting device therefor
JPS6434117A (en) * 1987-07-27 1989-02-03 Matsushita Electric Works Ltd Plate frame for wiring accessary
JP2002346800A (en) * 2001-05-30 2002-12-04 Tanken Seal Seiko Co Ltd Laminating apparatus and movable frame for lamination

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63185511A (en) * 1987-01-28 1988-08-01 Honda Motor Co Ltd Method of cutting pipe and cutting device therefor
JPS6434117A (en) * 1987-07-27 1989-02-03 Matsushita Electric Works Ltd Plate frame for wiring accessary
JP2002346800A (en) * 2001-05-30 2002-12-04 Tanken Seal Seiko Co Ltd Laminating apparatus and movable frame for lamination

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8091455B2 (en) * 2008-01-30 2012-01-10 Cummins Filtration Ip, Inc. Apparatus, system, and method for cutting tubes
CN103143647A (en) * 2013-01-23 2013-06-12 林小平 Micro-scale shaft cutting die
DE202013100984U1 (en) * 2013-03-07 2014-03-10 Miroslaw Pastuszka Separation aid for pipes or profiles
CN103691799A (en) * 2013-12-18 2014-04-02 苏州托克斯冲压设备有限公司 Cutting-compressing molding equipment for waist-shaped pipe end surface
KR101735273B1 (en) 2015-10-07 2017-05-15 (주)디엠피테크 Apparatus of manufacturing a multi-row refrigerant tube and method of manufacturing the refrigerant tube
CN107081466A (en) * 2017-05-12 2017-08-22 泰州库宝制冷设备制造有限公司 Clamping device for cutting air conditioner copper pipe

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