JPH07299641A - Cutting edge installing device for bolt cutter - Google Patents

Cutting edge installing device for bolt cutter

Info

Publication number
JPH07299641A
JPH07299641A JP9330394A JP9330394A JPH07299641A JP H07299641 A JPH07299641 A JP H07299641A JP 9330394 A JP9330394 A JP 9330394A JP 9330394 A JP9330394 A JP 9330394A JP H07299641 A JPH07299641 A JP H07299641A
Authority
JP
Japan
Prior art keywords
cutting blade
cutting
thickness
fixed
bolt
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
Application number
JP9330394A
Other languages
Japanese (ja)
Inventor
Tomoumi Yoshimizu
智海 吉水
Yasuhiro Maeda
泰広 前田
Hiroaki Origasa
博明 折笠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP9330394A priority Critical patent/JPH07299641A/en
Priority to DE1995115955 priority patent/DE19515955A1/en
Publication of JPH07299641A publication Critical patent/JPH07299641A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D29/00—Hand-held metal-shearing or metal-cutting devices
    • B23D29/002—Hand-held metal-shearing or metal-cutting devices for cutting wire or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D23/00—Machines or devices for shearing or cutting profiled stock
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
    • B23D35/001—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools cutting members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Shearing Machines (AREA)

Abstract

PURPOSE:To lengthen the service life, and facilitate replacement of cutting edges used in a bolt cutter to cut a continuous thread stud or the like. CONSTITUTION:Edge parts 8 to 11 on which a screw having the same pitch with a screw bar 1 to be cut is carved are provided on cutting surfaces, and a fixed cutting edge 6 and a movable cutting edge 7 whose thickness B is formed in integer times or (an integer +0.5) times of a crew pitch, are installed on and fixed to cutting edge installing chambers 4 and 5 of respective brackets 2 and 3 through spacers 20 having a thickness corresponding to a thickness of the cutting edges 6 and 7.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明はビル建築現場等において
使用される全ねじボルト等のねじ棒を切断するボルト切
断機の切断刃取付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 blade mounting device for a bolt cutting machine for cutting a threaded rod such as a full screw bolt used in a building construction site.

【０００２】[0002]

【従来の技術】ボルト切断機は、例えば本出願人の出願
による特公平４−７９７６６号公報に記載されている如
く、切断されるねじ棒と同じねじピッチのねじを切断面
に形成した可動切断刃及び固定切断刃（以下両方の切断
刃を指す場合には単に切断刃という）をねじ棒を介して
対向させ、可動切断刃を固定切断刃に向かって前進させ
てねじ棒を切断するものである。2. Description of the Related Art A bolt cutting machine is, for example, as described in Japanese Patent Publication No. 4-79766 filed by the applicant of the present invention, a movable cutting machine in which a thread having the same thread pitch as a threaded rod to be cut is formed on a cutting surface. A blade and a fixed cutting blade (hereinafter simply referred to as cutting blades when referring to both cutting blades) are opposed to each other via a screw rod, and the movable cutting blade is advanced toward the fixed cutting blade to cut the screw rod. is there.

【０００３】図２にボルト切断機の切断状況を示す。相
対向する一対の固定切断刃６、可動切断刃７は、夫々ブ
ラケット２、３に設けられた切断刃取付室４、５に固定
され、切断刃６、７どおし隙間なく噛み合っている。切
断刃６、７の切断面にはねじ棒１と同じピッチのねじが
刻設されており、ねじ棒１のねじと切断刃６、７のねじ
は隙間なく正しく噛み合っている。この時、可動切断刃
７の図２における右側の刃部１１と固定切断刃６の左側
の刃部８は螺旋状に連なるねじ山の１８０度ずれた位置
関係にある。ここで切断刃６、７の厚さＢは、ねじのピ
ッチの（整数＋０．５）倍に作られており、これにより
可動切断刃７の刃部１１の裏面すなわち左側の刃部１０
は固定切断刃６の刃部８と全く同じ形状となる。同様に
固定切断刃６の刃部８の裏面すなわち右側の刃部９は可
動切断刃７の右側刃部１１と全く同じ形状となる．この
ように切断刃６、７の厚さを設定することで、固定切断
刃６と可動切断刃７を共に裏返せば、ねじ棒１と切断刃
６、７のねじは、図２同様正しく噛み合うことができる
ようになるため、切断刃６、７は表裏の両面使え、寿命
が２倍に長くなり好都合である。FIG. 2 shows the cutting state of the bolt cutting machine. The pair of fixed cutting blades 6 and the movable cutting blade 7 facing each other are fixed to the cutting blade mounting chambers 4 and 5 provided in the brackets 2 and 3, respectively, and mesh with each other without a gap between the cutting blades 6 and 7. Screws having the same pitch as that of the screw rod 1 are engraved on the cutting surfaces of the cutting blades 6 and 7, and the screw of the screw rod 1 and the screws of the cutting blades 6 and 7 are correctly meshed without a gap. At this time, the blade portion 11 on the right side of the movable cutting blade 7 in FIG. 2 and the blade portion 8 on the left side of the fixed cutting blade 6 are in a positional relationship in which the screw threads connected in a spiral are displaced by 180 degrees. Here, the thickness B of the cutting blades 6 and 7 is made to be (integer + 0.5) times the pitch of the screw, whereby the back surface of the blade portion 11 of the movable cutting blade 7, that is, the left blade portion 10 is formed.
Has the same shape as the blade portion 8 of the fixed cutting blade 6. Similarly, the back surface of the blade portion 8 of the fixed cutting blade 6, that is, the blade portion 9 on the right side has exactly the same shape as the right blade portion 11 of the movable cutting blade 7. By setting the thicknesses of the cutting blades 6 and 7 in this manner, if both the fixed cutting blade 6 and the movable cutting blade 7 are turned over, the screw rod 1 and the screws of the cutting blades 6 and 7 must be properly meshed as in FIG. Since the cutting blades 6 and 7 can be used on both the front and back sides, the life is doubled, which is convenient.

【０００４】[0004]

【発明が解決しようとする課題】しかし、同じボルト切
断機を用いてねじサイズやピッチの異なるねじ棒１を切
断しようとした場合、上記同様に切断刃６、７の厚さＢ
をねじピッチの（整数＋０．５）倍にすると、ブラケッ
ト２、３の切断刃取付室４、５の深さＨは変わらないの
で、切断刃６、７をブラケット２、３に取付けた際に、
厚すぎて取付かなかったり、薄すぎて切断刃６、７どお
しの間に隙間があき、ねじ棒１のねじと正しく噛みあわ
ないという不具合があった。このため、別サイズのねじ
ピッチの切断刃６、７の厚さは、ねじピッチの（整数＋
０．５）倍ではなく、ブラケット２、３の切断刃取付室
４、５の深さＨに合わせる必要があり、上記のように表
裏両面使うことができず、寿命が短くなってしまう。一
方、切断刃６、７の厚さがねじピッチの整数倍の場合も
前記刃部８〜１１は表裏使えるが、ねじサイズが変わる
と厚さが変わって同じ切断刃取付室４、５に取付かない
のは上記と同様である。However, when the same bolt cutting machine is used to cut the threaded rods 1 having different screw sizes and pitches, the thickness B of the cutting blades 6 and 7 is the same as above.
Since the depth H of the cutting blade mounting chambers 4 and 5 of the brackets 2 and 3 does not change when is set to (integer + 0.5) times the screw pitch, when the cutting blades 6 and 7 are mounted on the brackets 2 and 3, ,
There was a problem that it was not attached because it was too thick, or because there was a gap between the cutting blades 6 and 7 because it was too thin and it did not properly mesh with the screw of the threaded rod 1. For this reason, the thickness of the cutting blades 6 and 7 having different thread pitches is (integer +
It is necessary to adjust to the depth H of the cutting blade mounting chambers 4 and 5 of the brackets 2 and 3 instead of 0.5) times, and it is not possible to use both front and back sides as described above, and the service life is shortened. On the other hand, even when the thickness of the cutting blades 6 and 7 is an integral multiple of the screw pitch, the blade portions 8 to 11 can be used on the front and back sides, but when the screw size changes, the thickness changes and they are mounted in the same cutting blade mounting chambers 4 and 5. This is the same as above.

【０００５】本発明の目的は、上記した従来技術の欠点
を解消し、ねじピッチが異なり厚さの異なる切断刃で
も、表裏両面使用可能な切断刃が取付け可能とし、切断
刃の長寿命化を図ることである。The object of the present invention is to solve the above-mentioned drawbacks of the prior art and to enable attachment of cutting blades which can be used on both front and back sides even for cutting blades having different screw pitches and different thicknesses, thereby extending the life of the cutting blades. It is to plan.

【０００６】[0006]

【課題を解決するための手段】上記目的を達成するため
に本発明は、前記固定切断刃及び可動切断刃が装着され
るブラケットの切断刃取付室の深さを、使用される切断
刃の最大厚さと等しい深さとし、切断刃の厚さに対応す
る厚さ０を含む厚さのスペーサを介して切断刃を切断刃
取付室に固定することにより達成される。また前記切断
刃取付室の深さを調整する調整部材を設け、使用される
切断刃の厚さに対応して切断刃取付室の深さを変えて切
断刃を切断刃取付室に装着固定することにより達成され
る。In order to achieve the above object, the present invention provides a cutting blade mounting chamber of a bracket, on which the fixed cutting blade and the movable cutting blade are mounted, with a maximum depth of the cutting blade used. This is achieved by fixing the cutting blade to the cutting blade attachment chamber through a spacer having a depth equal to the thickness and having a thickness including zero corresponding to the thickness of the cutting blade. Further, an adjusting member for adjusting the depth of the cutting blade mounting chamber is provided, and the depth of the cutting blade mounting chamber is changed in accordance with the thickness of the cutting blade used to mount and fix the cutting blade in the cutting blade mounting chamber. It is achieved by

【０００７】[0007]

【作用】上記のように構成した切断刃取付装置において
は、ねじピッチの異なる切断刃毎に切断刃の厚さに対応
して厚さの異なるスペーサを用意しておき、夫々の切断
刃毎にスペーサの厚さを一対の切断刃が隙間なく噛み合
う厚さに調整しておくことで、切断刃とねじ棒のねじは
正しく噛み合い、ねじ山を潰さずに切断できるようにな
る。またねじサイズが異なっても、整数倍または（整数
＋０．５）倍の厚さの両面使用可能な切断刃が取付けら
れるので、長寿命で経済的である。また切断刃取付室の
深さを切断刃の厚さに対応して変え、可動切断刃及び固
定切断刃が隙間なく噛み合うようにすることにより、切
断刃とねじ棒のねじは正しく噛み合うようになり、ねじ
棒のねじ山を潰すことなく切断できるようになる。In the cutting blade attaching device constructed as described above, spacers having different thicknesses are prepared for the cutting blades having different screw pitches, and the spacers having different thicknesses are prepared for the respective cutting blades. By adjusting the thickness of the spacer to a thickness at which the pair of cutting blades mesh with each other without any gap, the cutting blades and the screw of the threaded rod are properly meshed, and it is possible to cut without crushing the screw thread. Further, even if the screw size is different, a cutting blade having an integer multiple or (integer +0.5) multiple thickness that can be used on both sides is attached, so that the life is long and economical. Also, by changing the depth of the cutting blade installation chamber according to the thickness of the cutting blade so that the movable cutting blade and the fixed cutting blade mesh with each other without a gap, the cutting blade and the screw of the screw rod will mesh correctly. , It becomes possible to cut without crushing the thread of the threaded rod.

【０００８】[0008]

【実施例】以下本発明の一実施例を図１〜５により説明
する。図３は本発明のボルト切断機の外観を示す斜視図
で、切断されるねじ棒１をブラケット２の切断刃取付室
４内に装着された固定切断刃６にセットし、電動機Ｍに
よって駆動され図示しないカム機構等を介して揺動運動
されるブラケット３の切断刃取付室５内に装着された可
動切断刃７を固定切断刃６に向かって前進させてねじ棒
１を剪断により切断する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 3 is a perspective view showing the external appearance of the bolt cutting machine of the present invention. The screw rod 1 to be cut is set on the fixed cutting blade 6 mounted in the cutting blade mounting chamber 4 of the bracket 2 and driven by the electric motor M. The movable cutting blade 7 mounted in the cutting blade mounting chamber 5 of the bracket 3 that is rocked by a cam mechanism (not shown) is advanced toward the fixed cutting blade 6 to cut the screw rod 1 by shearing.

【０００９】前記ねじ棒１は種々あり、その代表例を図
７に示す。ねじサイズがＷ３／８”のねじ棒１のねじピ
ッチは１．５８７５ｍｍで、該ねじ棒１を切断する切断
刃６、７の厚さはねじピッチの３．５倍の５．５６ｍｍ
に作られている。ねじサイズがＭ６のねじ棒１のねじピ
ッチは１．０ｍｍで、その際に使用される切断刃６、７
の厚さはねじピッチの４．５倍の４．５ｍｍに作られて
いる。またねじサイズがＷ５／１６”のねじ棒１のねじ
ピッチは１．４１１１ｍｍで、切断刃６、７の厚さはね
じピッチの３．５倍の４．９３９ｍｍに作られている。There are various types of threaded rods 1, and a typical example thereof is shown in FIG. The thread pitch of the thread rod 1 having a screw size of W3 / 8 "is 1.5875 mm, and the thickness of the cutting blades 6 and 7 for cutting the thread rod 1 is 5.56 mm, which is 3.5 times the thread pitch.
Made in. The thread pitch of the threaded rod 1 having a thread size of M6 is 1.0 mm, and the cutting blades 6 and 7 used at that time
Has a thickness of 4.5 mm, which is 4.5 times the screw pitch. The thread pitch of the threaded rod 1 having a thread size of W5 / 16 "is 1.4111 mm, and the thickness of the cutting blades 6 and 7 is 4.939 mm, which is 3.5 times the thread pitch.

【００１０】切断されるねじ棒１が図７に示す５種類の
ねじサイズとすると、前記切断刃取付室４、５の深さＨ
は、使用される切断刃６、７の最大厚さと等しい深さ、
この場合には５．５６ｍｍに設定される。従って、ねじ
サイズがＷ３／８”以外のねじ棒１を切断する際には、
（切断刃取付室４、５の深さＨ−切断刃６、７の厚さ
Ｂ）の厚さを有するスペーサ２０を、図１に示す如く、
切断刃取付室４、５の突当面と切断刃６、７の間に介在
させると、固定切断刃６の刃部８と可動切断刃７の刃部
１１が隙間をあけることなく正しく噛み合うようにな
り、ねじ棒１をねじ山を潰すことなく切断できるように
なる。また切断刃６、７を共に裏返して使用することが
できるので、切断刃６、７の寿命を２倍にすることがで
き。なおねじサイズがＷ３／８”のねじ棒１を切断する
際には図２に示す如く厚さ０のスペーサ２０となる。ま
た種々のスペーサ２０を図７に示す。Assuming that the threaded rod 1 to be cut has five types of thread sizes shown in FIG. 7, the depth H of the cutting blade mounting chambers 4 and 5 is H.
Is a depth equal to the maximum thickness of the cutting blades 6, 7 used,
In this case, it is set to 5.56 mm. Therefore, when cutting the threaded rod 1 with a screw size other than W3 / 8 ",
As shown in FIG. 1, a spacer 20 having a thickness (depth H of cutting blade mounting chambers 4, 5−thickness B of cutting blades 6, 7) is provided as shown in FIG.
By interposing between the abutting surfaces of the cutting blade mounting chambers 4 and 5 and the cutting blades 6 and 7, the blade portion 8 of the fixed cutting blade 6 and the blade portion 11 of the movable cutting blade 7 can be properly meshed without a gap. Therefore, the screw rod 1 can be cut without crushing the screw thread. Further, since the cutting blades 6 and 7 can both be turned over and used, the life of the cutting blades 6 and 7 can be doubled. Note that when the threaded rod 1 having a screw size of W3 / 8 "is cut, the spacer 20 has a thickness of 0 as shown in Fig. 2. Various spacers 20 are shown in Fig. 7.

【００１１】図４はスペーサ２０の形状を示すもので、
スペーサ２０は２点鎖線で示す切断刃６、７と相似形の
上下左右表裏対称のＨ形の板状の形状で、その外形は切
断刃６、７の外形より約０．５ｍｍほど若干小さく成形
されている。従って、スペーサ２０が切断刃６、７より
はみ出すことはないので、薄いスペーサ２０がぶつかっ
て変形する恐れはない。図５は切断刃６、７及びスペー
サ２０の取付状況を示すもので、切断刃６、７及びスペ
ーサ２０が中心穴を貫通する止めねじ１５によりブラケ
ット２、３の切断刃取付室４、５に取付固定される。FIG. 4 shows the shape of the spacer 20.
The spacer 20 has an H-shaped plate shape that is similar to the cutting blades 6 and 7 indicated by the two-dot chain line and is symmetrical with respect to the top, bottom, left and right sides, and its outer shape is slightly smaller than the outer shape of the cutting blades 6, 7 by about 0.5 mm. Has been done. Therefore, since the spacer 20 does not protrude beyond the cutting blades 6 and 7, there is no risk of the thin spacer 20 colliding and deforming. FIG. 5 shows how the cutting blades 6 and 7 and the spacer 20 are mounted. The cutting blades 6 and 7 and the spacer 20 are set in the cutting blade mounting chambers 4 and 5 of the brackets 2 and 3 by a setscrew 15 that penetrates the center hole. Attached and fixed.

【００１２】図６は本発明切断刃取付装置の他の実施例
を示すもので、切断刃取付室４、５の切断刃突当面から
深さ調整ボルト３０を突出させ、該突出量Ｓを使用する
切断刃６、７の厚さに対応して変えることにより、切断
刃６、７どおしは隙間なく取付けられるようになる。こ
の結果上記実施例同様固定切断刃６及び可動切断刃７を
共に裏返すことで、切断刃６、７を表裏の両面使えるよ
うになる。またこの実施例によれば、ねじサイズの異な
るねじ棒１を切断するごとにスペーサ２０を変える操作
が不要となり、操作性が向上すると共にスペーサ２０の
紛失を心配することもなくなる。FIG. 6 shows another embodiment of the cutting blade mounting device of the present invention. The depth adjusting bolt 30 is projected from the cutting blade abutting surface of the cutting blade mounting chambers 4 and 5, and the projected amount S is used. By changing the thickness of the cutting blades 6 and 7 according to the thickness, the cutting blades 6 and 7 can be attached without a gap. As a result, by turning over both the fixed cutting blade 6 and the movable cutting blade 7 as in the above embodiment, the cutting blades 6 and 7 can be used on both front and back sides. Further, according to this embodiment, it is not necessary to change the spacer 20 each time the threaded rods 1 having different screw sizes are cut, the operability is improved, and the spacer 20 is not lost.

【００１３】[0013]

【発明の効果】以上のように本発明によれば、たとえね
じサイズの異なる切断刃でも、厚さをピッチの整数倍ま
たは（整数＋０．５）倍に設定し裏表使用可能とした切
断刃を、同じ深さの切断刃取付室を有する本体に取付け
ることが可能なため、切断刃の長寿命化が図れる。また
スペーサは、上下左右対称のため取付け時に方向を誤る
可能性は極めて少ないと共に切断刃外形よりも小さいの
で、取付けが多少ずれたとしても、切断刃外形からはみ
出すことはなく、薄いスペーサがぶつかって変形するこ
ともない。As described above, according to the present invention, even if the cutting blades have different screw sizes, the cutting blades whose thickness is set to an integral multiple or (integer +0.5) times the pitch can be used for the front and back sides. Since it can be attached to the main body having the cutting blade attachment chambers of the same depth, the life of the cutting blade can be extended. Also, since the spacer is symmetrical vertically and horizontally, it is extremely unlikely to make a mistake in the direction when it is attached, and it is smaller than the cutting blade outer shape, so even if it is slightly misaligned, it will not protrude from the cutting blade outer shape and a thin spacer will hit it. There is no deformation.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明切断刃取付装置の一実施例を示す断面
図。FIG. 1 is a sectional view showing an embodiment of a cutting blade attaching device of the present invention.

【図２】最大厚さの切断刃を使用した状態を示す図１相
当の断面図。FIG. 2 is a sectional view corresponding to FIG. 1 showing a state where a cutting blade having the maximum thickness is used.

【図３】本発明切断刃取付装置を有するボルト切断機の
一例を示す斜視図。FIG. 3 is a perspective view showing an example of a bolt cutting machine having a cutting blade attachment device of the present invention.

【図４】本発明を構成するスペーサの一実施例を示す正
面図。FIG. 4 is a front view showing an embodiment of a spacer which constitutes the present invention.

【図５】切断刃、スペーサの取付状態を示す斜視図。FIG. 5 is a perspective view showing a mounting state of a cutting blade and a spacer.

【図６】本発明切断刃取付装置の他の実施例を示す断面
図。FIG. 6 is a cross-sectional view showing another embodiment of the cutting blade attaching device of the present invention.

【図７】切断されるねじ棒のねじピッチと切断刃、スペ
ーサの厚さの関係を示す表である。FIG. 7 is a table showing the relationship between the thread pitch of the threaded rod to be cut and the thickness of the cutting blade and the spacer.

【符号の説明】[Explanation of symbols]

１はねじ棒、２、３はブラケット、４、５は切断刃取付
室、６は固定切断刃、７は可動切断刃、８、９は固定切
断刃６の刃部、１０、１１は可動切断刃７の刃部、１５
は止めねじ、２０はスペーサ、３０は深さ調整ボルト、
Ｍは電動機である。1 is a screw rod, 2 and 3 are brackets, 4 and 5 are cutting blade mounting chambers, 6 is a fixed cutting blade, 7 is a movable cutting blade, 8 and 9 are blade portions of the fixed cutting blade 6, 10 and 11 are movable cutting Blade part of blade 7, 15
Is a set screw, 20 is a spacer, 30 is a depth adjustment bolt,
M is an electric motor.

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 切断面に切断されるねじ棒と同じねじピ
ッチのねじを形成し、厚さをねじピッチの整数倍または
ねじピッチの（整数＋０．５）倍とした可動切断刃及び
固定切断刃をねじ棒を介して対向させ、可動切断刃を固
定切断刃に向けて前進させてねじ棒を切断するようにし
たボルト切断機において、 前記可動切断刃及び固定切断刃が装着される部材の切断
刃取付室の深さを、使用される切断刃の最大厚さと等し
い深さとし、切断刃の厚さに対応する厚さ０を含む厚さ
のスペーサを介して切断刃を切断刃取付室に固定するよ
うにしたことを特徴とするボルト切断機の切断刃取付装
置。1. A movable cutting blade and a fixed cutting, wherein a thread having the same thread pitch as a threaded rod to be cut is formed on a cutting surface, and a thickness is an integer multiple of the thread pitch or (integer +0.5) times of the thread pitch. In a bolt cutting machine in which blades are opposed to each other via a screw rod and a movable cutting blade is advanced toward a fixed cutting blade to cut the screw rod, a member to which the movable cutting blade and the fixed cutting blade are mounted The depth of the cutting blade mounting chamber is set to a depth equal to the maximum thickness of the cutting blade used, and the cutting blade is attached to the cutting blade mounting chamber through a spacer having a thickness including 0 corresponding to the thickness of the cutting blade. A cutting blade mounting device for a bolt cutting machine, which is characterized in that it is fixed. 【請求項２】 前記スペーサの厚さを、（前記切断刃取
付室の深さ−使用される切断刃の厚さ）としたことを特
徴とする請求項１記載のボルト切断機の切断刃取付装
置。2. The cutting blade mounting of a bolt cutting machine according to claim 1, wherein the thickness of the spacer is (depth of the cutting blade mounting chamber-thickness of the cutting blade used). apparatus. 【請求項３】 前記スペーサを、中心に対して上下左右
対称の形状としたことを特徴とする請求項１記載のボル
ト切断機の切断刃取付装置。3. The cutting blade mounting device for a bolt cutting machine according to claim 1, wherein the spacer is vertically and horizontally symmetrical with respect to the center. 【請求項４】 前記スペーサを、切断刃と相似形で、外
形が切断刃より若干小さい形状としたことを特徴とする
請求項１記載のボルト切断機の切断刃取付装置。4. The cutting blade mounting device for a bolt cutting machine according to claim 1, wherein the spacer has a shape similar to that of the cutting blade and an outer shape that is slightly smaller than the cutting blade. 【請求項５】 切断面に切断されるねじ棒と同じねじピ
ッチのねじを形成し、厚さをねじピッチの整数倍または
ねじピッチの（整数＋０．５）倍とした可動切断刃及び
固定切断刃をねじ棒を介して対向させ、可動切断刃を固
定切断刃に向けて前進させてねじ棒を切断するようにし
たボルト切断機において、 前記可動切断刃及び固定切断刃が装着される部材の切断
刃取付室の深さを、使用される切断刃の最大厚さと等し
い深さとすると共に切断刃取付室の深さを調整する調整
部材を設け、使用される切断刃の厚さに対応して切断刃
取付室の深さを変えるようにしたことを特徴とするボル
ト切断機の切断刃取付装置。5. A movable cutting blade and fixed cutting, wherein a thread having the same thread pitch as that of a threaded rod to be cut is formed on a cutting surface, and the thickness is an integer multiple of the thread pitch or (integer + 0.5) times the thread pitch. In a bolt cutting machine in which blades are opposed to each other via a screw rod and a movable cutting blade is advanced toward a fixed cutting blade to cut the screw rod, a member to which the movable cutting blade and the fixed cutting blade are mounted The depth of the cutting blade mounting chamber is made equal to the maximum thickness of the cutting blade used, and an adjusting member for adjusting the depth of the cutting blade mounting chamber is provided to correspond to the thickness of the cutting blade used. A cutting blade mounting device for a bolt cutting machine, characterized in that the depth of the cutting blade mounting chamber is changed.
JP9330394A 1994-05-02 1994-05-02 Cutting edge installing device for bolt cutter Pending JPH07299641A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9330394A JPH07299641A (en) 1994-05-02 1994-05-02 Cutting edge installing device for bolt cutter
DE1995115955 DE19515955A1 (en) 1994-05-02 1995-05-02 Thread cutter for parting off threaded rod from others of different pitches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9330394A JPH07299641A (en) 1994-05-02 1994-05-02 Cutting edge installing device for bolt cutter

Publications (1)

Publication Number Publication Date
JPH07299641A true JPH07299641A (en) 1995-11-14

Family

ID=14078579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9330394A Pending JPH07299641A (en) 1994-05-02 1994-05-02 Cutting edge installing device for bolt cutter

Country Status (2)

Country Link
JP (1) JPH07299641A (en)
DE (1) DE19515955A1 (en)

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US10092966B2 (en) 2014-10-10 2018-10-09 Black & Decker Inc. Dies for threaded rod cutting machine
JP2021070095A (en) * 2019-10-30 2021-05-06 パナソニックＩｐマネジメント株式会社 Cutting tool

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Publication number Priority date Publication date Assignee Title
US5931039A (en) * 1996-04-10 1999-08-03 Hitachi Koki Co., Ltd. Electrical bar cutting and bending tool
US6725546B1 (en) * 1999-08-05 2004-04-27 Alterra Holdings Corporation Hardened insert for cutting tools
DE19722839C1 (en) * 1997-05-30 1998-10-22 Hilti Ag Cutting jaw for thread scissors
JP2002331416A (en) 2001-05-08 2002-11-19 Ogura:Kk Bar-shaped member cutter
DE10313827A1 (en) 2003-03-21 2004-09-30 REMS-WERK Christian Föll und Söhne GmbH & Co. Separating device for workpieces, such as rods, bolts and the like, in particular for threaded rods
EP2077932B1 (en) * 2006-10-20 2014-01-22 Etablissements Pierre Grehal et Cie SA Cutting tool for segmenting solid long elements
US20160101477A1 (en) * 2014-10-10 2016-04-14 Black & Decker Inc. Dies for threaded rod cutting machine
US11548081B2 (en) 2018-02-14 2023-01-10 Milwaukee Electric Tool Corporation Powered threaded rod cutter
JP7340813B2 (en) * 2019-10-30 2023-09-08 パナソニックＩｐマネジメント株式会社 cutting tools
CN214443619U (en) 2020-11-27 2021-10-22 米沃奇电动工具公司 Electric threaded rod cutting machine

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DE1160274B (en) * 1955-10-22 1963-12-27 Peddinghaus Paul Ferd Fa Knife holder for billet shears
DE1289725B (en) * 1962-03-23 1969-02-20 Schloemann Ag Knife attachment to tin snips
DE2211898C2 (en) * 1970-10-10 1983-12-15 Trumpf & Co, 7257 Ditzingen Motorized scissors, in particular portable scissors
JPH0735003B2 (en) * 1986-11-14 1995-04-19 日立工機株式会社 Bolt cutting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10092966B2 (en) 2014-10-10 2018-10-09 Black & Decker Inc. Dies for threaded rod cutting machine
JP2021070095A (en) * 2019-10-30 2021-05-06 パナソニックＩｐマネジメント株式会社 Cutting tool

Also Published As

Publication number Publication date
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