JPS61109614U

JPS61109614U -

Info

Publication number: JPS61109614U
Application number: JP19863984U
Authority: JP
Priority date: 1984-12-25
Filing date: 1984-12-25
Publication date: 1986-07-11

Description

[Brief explanation of the drawing]

第１図は本考案装置の実施例を示す縦断面図、
第２図は従来装置と本考案装置による電縫鋼管の
内面ビード切削後の真円度の比較を示すグラフ、
第３図は電縫鋼管における内面増肉部の形状を示
す説明図である。１……電縫鋼管、１ａ……内面増肉部、１ｂ…
…内面ビード、２……切削装置本体、３……内面
ビード切削用バイト、４……回転砥石、５……上
部ローラー、６……下部ローラー、７……軸受、
８……スライダー、９……流体圧シリンダー、１
０……バイトホルダー、１１……昇降ブロツク、
１２……スライダー、１３……流体圧シリンダー
、１４……支持フレーム、１５……歯車列、１６
……油圧モーター、１７……昇降ブロツク、１８
……スライダー、１９……流体圧シリンダー。 FIG. 1 is a longitudinal sectional view showing an embodiment of the device of the present invention;
Figure 2 is a graph showing a comparison of the roundness after cutting the inner bead of an ERW steel pipe using a conventional device and the device of the present invention.
FIG. 3 is an explanatory diagram showing the shape of the inner wall thickening part of the electric resistance welded steel pipe. 1...Erw steel pipe, 1a...Inner wall thickening part, 1b...
... Inner bead, 2... Cutting device main body, 3... Inner bead cutting tool, 4... Rotary grindstone, 5... Upper roller, 6... Lower roller, 7... Bearing,
8...Slider, 9...Fluid pressure cylinder, 1
0...Bite holder, 11...Lifting block,
12... Slider, 13... Fluid pressure cylinder, 14... Support frame, 15... Gear train, 16
... Hydraulic motor, 17 ... Lifting block, 18
...Slider, 19...Fluid pressure cylinder.

Claims

[Scope of utility model registration request]

In a cutting device equipped with a cutting tool for cutting an inner bead in the cutting device body inserted into an ERW steel pipe,
The cutting device is provided with a rotary grindstone located downstream of the cutting tool, the rotating shaft of which is parallel to the axis of the electric resistance welded steel pipe, and which is capable of being pressed against the cut surface of the inner bead. Internal bead cutting device for sewn steel pipes.