JPH0314021U

JPH0314021U -

Info

Publication number: JPH0314021U
Application number: JP7311989U
Authority: JP
Priority date: 1989-06-23
Filing date: 1989-06-23
Publication date: 1991-02-13

Description

[Brief explanation of the drawing]

第１図は本考案のロールフイードの一実施例を
示す要部断面図、第２図は第１図のロールフイー
ドを制御する制御ブロツクを示す図、第３図は従
来の制御ブロツク図であり第２図に対応する図、
第４図Ａは従来の制御における時間と速度及び加
速度のグラフを表わす図、同図Ｂは従来の変形台
形曲線と呼ばれる加速度曲線に基づく制御を表わ
す時間と速度、加速度、加速度変化率のグラフを
表わす図、同図Ｃは本実施例の制御における時間
と速度、加速度、加速度変化率のグラフを表わす
図である。１０……板材、１２……主動フイードロール、
１４……従動フイードロール、１６，１８……ギ
ヤ、２４……駆動モータ、２６……ロータリエン
コーダー、３０……フレーム、３２……ベアリン
グ、３４……モータ軸、３８……ブツシユ、４０
……締め付けボルト、４４……上下動フレーム、
５２……加圧調整ねじ、５４……加圧スプリング
。 FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the roll feed of the present invention, FIG. 2 is a diagram showing a control block for controlling the roll feed of FIG. 1, and FIG. 3 is a conventional control block diagram. A diagram corresponding to the diagram,
Figure 4A is a graph of time, velocity, and acceleration in conventional control, and Figure 4B is a graph of time, velocity, acceleration, and acceleration change rate representing conventional control based on an acceleration curve called a modified trapezoidal curve. Figure C is a diagram showing a graph of time, velocity, acceleration, and acceleration change rate in the control of this embodiment. 10... Plate material, 12... Active feed roll,
14... Driven feed roll, 16, 18... Gear, 24... Drive motor, 26... Rotary encoder, 30... Frame, 32... Bearing, 34... Motor shaft, 38... Bush, 40
...Tightening bolt, 44...Vertical movement frame,
52...Pressure adjustment screw, 54...Pressure spring.

Claims

[Scope of utility model registration request]

A roll feed for intermittently conveying a plate material to a press device, characterized in that both a driving feed roll and a driven feed roll are hollow, and the driving feed roll is coaxially and directly connected to a motor shaft of a drive motor.