JPH0439509U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案にかかるＬ型材曲げ装置の一例
を示す縦断面図、第２図は平面図、第３図は従来
のＬ型材曲げ装置を模式的に示す縦断面図、第４
図はＬ型材ねじれ変形を示す斜視図である。 １０……Ｌ型材、１１……縦部、１２……横部
、３０……曲ヤトイ、３１，３４……盤板、３３
……ヤトイ本体、４０……回転コロ、５０……曲
案内、５１……ウエブ部、５２……フランジ部。 FIG. 1 is a longitudinal sectional view showing an example of an L-shaped material bending device according to the present invention, FIG. 2 is a plan view, FIG. 3 is a longitudinal sectional view schematically showing a conventional L-shaped material bending device, and FIG.
The figure is a perspective view showing twisting deformation of the L-shaped member. 10... L-shaped material, 11... Vertical part, 12... Horizontal part, 30... Curved Yatoi, 31, 34... Board, 33
... Yatoi main body, 40 ... Rotating roller, 50 ... Song guide, 51 ... Web part, 52 ... Flange part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 縦部の一方の側縁に横部が連設され、縦部の他
方の側縁が開放されたＬ型材を横部側へ内曲げす
るＬ型材曲げ装置であつて、円盤状をし、その外
周面にＬ型材の縦部内側面が接触し、端面に横部
内側面が接触し、横部外側面に盤板が当接する曲
ヤトイと、該曲ヤトイの中心に旋回中心が位置し
、Ｌ型材の縦部外側面を押圧しつつ曲ヤトイの周
囲を旋回する回転コロと、該回転コロとＬ型材の
縦部外側面との間にウエブ部が挟まれ、フランジ
部がＬ型材の縦部開放側縁に係合した状態で、回
転コロの旋回動作に従動するＬ状の曲案内とを具
備することを特徴とするＬ型材曲げ装置。 This is an L-shaped material bending device that bends an L-shaped material, in which a horizontal portion is connected to one side edge of the vertical portion and the other side edge of the vertical portion is open, inward toward the horizontal portion. A curved yatoi in which the inner surface of the vertical part of the L-shaped member is in contact with the outer peripheral surface, the inner surface of the lateral part is in contact with the end face, and the board is in contact with the outer surface of the lateral part, and the center of rotation is located at the center of the curved yatoi, A rotating roller rotates around the curved yatoi while pressing the outer surface of the vertical part of the rod, and the web part is sandwiched between the rotating roller and the outer surface of the vertical part of the L-shaped member, and the flange part opens the vertical part of the L-shaped member. An L-shaped material bending device characterized by comprising an L-shaped curved guide that is engaged with a side edge and is driven by the turning operation of a rotating roller.