JPH06102207B2 - Width reduction device by press - Google Patents
Width reduction device by pressInfo
- Publication number
- JPH06102207B2 JPH06102207B2 JP60275697A JP27569785A JPH06102207B2 JP H06102207 B2 JPH06102207 B2 JP H06102207B2 JP 60275697 A JP60275697 A JP 60275697A JP 27569785 A JP27569785 A JP 27569785A JP H06102207 B2 JPH06102207 B2 JP H06102207B2
- Authority
- JP
- Japan
- Prior art keywords
- reduction
- press
- center
- press die
- die
- 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.)
- Expired - Lifetime
Links
- 230000009467 reduction Effects 0.000 title claims description 56
- 238000003825 pressing Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0035—Forging or pressing devices as units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B1/024—Forging or pressing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Forging (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、スラブ材等のプレスによる幅圧延装置に関す
るものである。The present invention relates to a width rolling apparatus for pressing a slab material or the like.
［従来の技術］ 近年、スラブ等の材料の幅圧下を、ロール幅圧延に比し
て、１回で大きな幅圧下量が得られる、鋳片等の内部ポ
ロシティーの圧着効果が大きい、ドツグボーンの発生が
少ない等の優れた効果を有することから、プレスにより
幅圧下することが種々研究されている。[Prior Art] In recent years, the width reduction of a material such as a slab is larger than that of roll width rolling, and a large width reduction amount can be obtained at one time. Various reductions in width by pressing have been studied because they have excellent effects such as less generation.
第２図（Ａ）（Ｂ）（Ｃ）はそのプレス幅圧下装置の一
例を示すもので、材料ａの進行方向後方に向けて傾斜面
ｂを有したプレス金型ｃを材料ａの幅方向から圧着する
ことにより、材料ａの幅圧下を行うようにしている。FIGS. 2 (A), (B) and (C) show an example of the press width reduction device. A press die c having an inclined surface b toward the rear in the traveling direction of the material a is mounted in the width direction of the material a. The material a is subjected to width reduction by pressure bonding from above.
［発明が解決しようとする問題点］ しかし、上記プレス幅圧下装置による幅圧下時、第２図
（Ａ）（Ｂ）（Ｃ）に示すように、材料ａの先端部ｄ
と、中間定常部ｅと、後端部ｆでは、圧下部ｇの位置と
形状の違いにより、プレス金型ｃにおける幅圧下力分布
が変化し、圧下力分布の中心P1、P2、P3と、プレス金型
ｃの長手方向中央部の圧下力作用ロッドｈの中心とがｉ
のように大幅にずれて、プレス金型ｃに大きな偏荷重が
作用することになる。このためにプレス金型ｃの支持当
たり面等に偏摩耗を生じたり、大きなモーメントの発生
によってプレス本体に偏荷重が作用することになり、こ
のために装置全体を堅牢な構成とする必要がある等、種
々の問題を生じていた。[Problems to be Solved by the Invention] However, at the time of width reduction by the press width reduction device, as shown in FIGS. 2 (A), (B) and (C), the tip end portion d of the material a.
In the intermediate steady portion e and the rear end portion f, the width reduction force distribution in the press die c changes due to the difference in the position and shape of the pressure reduction g, and the centers P 1 , P 2 , P of the reduction force distribution change. 3 and the center of the rolling force acting rod h at the central portion in the longitudinal direction of the press die c are i
As described above, a large eccentric load acts on the press die c due to the large deviation. For this reason, uneven wear is generated on the supporting contact surface of the press die c, etc., or an unbalanced load acts on the press body due to the generation of a large moment, and for this reason, it is necessary to make the entire apparatus a robust structure. Etc., causing various problems.
本発明は、上記従来の問題点に着目してなしたもので、
プレス金型における圧下力分布の中心と圧下装置の圧下
中心を一致させることにより、幅圧下時にプレス金型に
モーメントが発生するのを防止することを目的としてい
る。The present invention was made by focusing on the above-mentioned conventional problems,
By aligning the center of the reduction force distribution in the press die with the center of the reduction device, it is intended to prevent a moment from being generated in the press die during width reduction.
［問題点を解決するための手段］ 本発明は、上記技術的課題を解決しようとしてなしたも
ので、プレス本体に設けた圧下装置に対し、材料の進行
方向にスライド可能にプレス金型を取付け、且つ前記プ
レス本体に、前記プレス金型のスライド位置調整を行う
アクチュエータを設けると共に、前記プレス金型の圧下
装置に対する取付け部における材料の進行方向前後に荷
重検出器を設け、該前後の荷重検出器による検出荷重の
どちらがどれだけ大きいかに基づいて前記プレス金型の
圧下力分布の中心と圧下装置の圧下中心とを一致させる
ように前記アクチュエータの作動を制御する指令制御装
置を設けたことを特徴とするプレスによる幅圧下装置、
に係るものである。[Means for Solving Problems] The present invention has been made in order to solve the above technical problem, and a press die is attached to a pressing device provided in a press main body so as to be slidable in a material advancing direction. Further, an actuator for adjusting the slide position of the press die is provided in the press body, and a load detector is provided before and after the material advancing direction in the attachment portion of the press die to the rolling down device to detect the load before and after the movement. A command controller for controlling the operation of the actuator so that the center of the pressure distribution of the press die and the center of the pressure reduction device are made to coincide with each other based on which of the loads detected by the pressure vessel is greater. Width reduction device by the featured press,
It is related to.
［作用］ 従って、本発明では、プレス金型の圧下装置への取付け
部における材料の進行方向前後に設けた荷重検出器の検
出荷重の差から、指令制御装置により圧下装置の圧下中
心に対するプレス金型の圧下力分布の中心のずれを求
め、このずれに基づいて、アクチュエータによりプレス
金型を材料の進行方向に変位させて、プレス金型におけ
る圧下力分布の中心と圧下装置における圧下中心を一致
させることにより、プレス金型のモーメント発生を防止
できる。[Operation] Therefore, according to the present invention, the command control device controls the press die relative to the reduction center of the reduction device based on the difference in the load detected by the load detectors provided before and after the material in the advancing direction of the material at the attachment part of the press die to the reduction device. Find the deviation of the center of the pressing force distribution of the die, and based on this deviation, displace the press die in the material advancing direction by the actuator so that the center of the pressing force distribution in the press die and the rolling center of the reduction device match. By doing so, it is possible to prevent the moment of the press die from being generated.
［実 施 例］ 以下本発明の一実施例を図面を参照しつつ説明する。[Examples] An example of the present invention will be described below with reference to the drawings.
第１図に示す如く、材料１の進行方向に対して直角方向
（材料幅方向）に伸びるガイド面２を有したプレス本体
３に、前記ガイド面２に沿って材料１の幅方向にスライ
ド自在なスライド架台４が設けられ、且つ該スライド架
台４に圧下シリンダ５を介して金型ホルダー６が前記ガ
イド面２に沿ってスライド自在に設けられ、更に前記金
型ホルダー６の内側面に、傾斜面７を有して材料１の幅
圧下を行うようにしたプレス金型８が、材料１の進行方
向にスライド可能に取付けられている。As shown in FIG. 1, a press body 3 having a guide surface 2 extending in a direction perpendicular to the traveling direction of the material 1 (material width direction) is slidable in the width direction of the material 1 along the guide surface 2. A slide stand 4 is provided, and a mold holder 6 is slidably provided on the slide stand 4 via a pressing cylinder 5 along the guide surface 2. Further, an inner side surface of the mold holder 6 is inclined. A press die 8 having a surface 7 and adapted to perform width reduction of the material 1 is attached so as to be slidable in the traveling direction of the material 1.
更に、前記プレス本体８の外側には、ウォーム軸９とピ
ニオン10によって前記スライド架台４の幅方向位置を調
整するためのスクリュー11が設けられている。Further, a screw 11 for adjusting the position in the width direction of the slide base 4 by a worm shaft 9 and a pinion 10 is provided outside the press body 8.
上記構成において、前記プレス本体３に、油圧制御装置
12の作動により、前記プレス金型８を、金型ホルダー６
に対して材料１の進行方向に移動するための油圧シリン
ダ等によるアクチュエータ13を設け、更に金型ホルダー
６とプレス金型８の当り面におけるプレス金型８の材料
進行方向前後部に荷重検出器14,15を設け、該荷重検出
器14,15からの検出信号を引算器16を介して設定信号17
が入力された指令制御装置18に入力し、該指令制御装置
18からの指令によって前記油圧制御装置12が作動される
ようになっている。図中19は材料１の先端及び後端を検
出して前記指令制御装置18に入力するようにした図示し
ない検出器からの先後端信号、20はポンプを示す。In the above configuration, the press body 3 includes a hydraulic control device.
By the operation of 12, the press die 8 is moved to the die holder 6
An actuator 13 such as a hydraulic cylinder for moving the material 1 in the advancing direction is provided, and a load detector is provided at the front and rear parts of the pressing die 8 in the material advancing direction on the contact surfaces of the die holder 6 and the pressing die 8. 14 and 15 are provided, and the detection signals from the load detectors 14 and 15 are set through the subtracter 16 to the setting signal 17
Is input to the command control device 18, and the command control device 18
The hydraulic control device 12 is operated by a command from 18. In the figure, 19 indicates a front and rear end signal from a detector (not shown) which detects the front end and the rear end of the material 1 and inputs them to the command control device 18, and 20 indicates a pump.
前記指令制御装置８に入力されている設定信号17は、材
料１の送り量、幅圧下量、材料１の材質、更には先行端
信号19等からなるプレス条件に基づいて、予め計算によ
って求めることができる圧下装置（圧下シリンダ５）の
圧下中心Ｓと、プレス金型８の圧下力分布の中心Ｐとの
ずれ量であり、しかもこのずれ量は、圧下装置である圧
下シリンダ５の圧下中心Ｓに対してプレス金型８の圧下
力分布の中心Ｐを前もってほぼ一致させておくための予
備設定量である。The setting signal 17 input to the command control device 8 is calculated in advance based on the feed amount of the material 1, the width reduction amount, the material of the material 1, and the press condition including the leading end signal 19 and the like. Is the deviation amount between the reduction center S of the reduction device (the reduction cylinder 5) and the center P of the reduction force distribution of the press die 8, and this deviation amount is the reduction center S of the reduction cylinder 5 which is the reduction device. On the other hand, it is a preset amount for making the center P of the pressing force distribution of the press die 8 substantially coincident with each other in advance.
又、圧下装置により幅圧下を行うときの圧下力をＶ、荷
重検出器14,15の検出荷重をV1,V2とすると、Ｖ＝V1＋V2
であり、また圧下装置の圧下中心Ｓとプレス金型８の圧
下力分布の中心ＰとのずれをＬ、前記圧下装置の圧下中
心Ｓと荷重検出器14,15との間の距離を夫々等しいａ（m
m）とした場合、モーメントの釣り合いより、VL＝V1a−
V2a＝ａ（V1−V2）となり、また前記Ｖ＝V1＋V2である
から、Ｌ＝ａ（V1−V2）/V1＋V2の式より、ずれＬを求
めることができる。従って、前記引算器16からのV1とV2
との差に基づいて、指令制御装置18により前記ずれＬを
求め、該ずれＬがなくなるように前記アクチュエータ13
を調節して、プレス金型８の圧下力分布の中心Ｐを圧下
装置の圧下中心Ｓに精度良く一致させるように制御する
ことができる。Further, when the reduction force when the width reduction is performed by the reduction device is V and the detection loads of the load detectors 14 and 15 are V 1 and V 2 , V = V 1 + V 2
In addition, the deviation between the rolling center S of the rolling device and the center P of the rolling force distribution of the press die 8 is L, and the distance between the rolling center S of the rolling device and the load detectors 14 and 15 is equal. a (m
m), VL = V 1 a− from the balance of moments.
Since V 2 a = a (V 1 −V 2 ) and V = V 1 + V 2 described above, the deviation L is obtained from the equation L = a (V 1 −V 2 ) / V 1 + V 2. You can Therefore, V 1 and V 2 from the subtractor 16 are
The deviation L is obtained by the command control device 18 based on the difference between
Can be adjusted so that the center P of the pressing force distribution of the press die 8 accurately matches the pressing center S of the pressing device.
このとき、前記指令制御装置18は、荷重検出器4,15の検
出荷重の差V1−V2が正か負かによって、ずれＬの方向が
材料１の移動方向前方か、後方かを判断することができ
る。At this time, the command control device 18 determines whether the direction of the deviation L is the forward direction or the backward direction of the material 1 depending on whether the difference V 1 -V 2 of the detected loads of the load detectors 4 and 15 is positive or negative. can do.
第１図において、プレス金型８による材料１の幅圧下
時、まず、予め分かっている幅圧下条件に基づいて求め
られている設定信号17により、指令制御装置18はアクチ
ュエータ13を作動させて、圧下装置の圧下中心Ｓに対し
てプレス金型８の圧下力分布の中心Ｐがほぼ一致するよ
うにプレス金型８の位置調整を行う。In FIG. 1, when the material 1 is width-reduced by the press die 8, first, the command control device 18 operates the actuator 13 by the setting signal 17 obtained based on the width-reduction condition known in advance, The position of the press die 8 is adjusted so that the center P of the force distribution of the press die 8 substantially coincides with the center S of the pressure reduction device.
プレス金型８による幅プレスが開始され、プレス金型８
における圧下力分布の中心Ｐと、圧下装置の圧下中心Ｓ
との間にずれＬがあると、プレス金型８の前後に設けた
荷重検出器14,15の検出荷重に差が出る。この差を引算
器16で求め、且つ指令制御装置18にて荷重検出器14,15
のどちらの検出荷重がどれだけ大きいかによって、ずれ
Ｌの大きさと、該ずれＬが材料１の移動方向の前後いず
れの方向にあるかを求め、それに基づいて油圧制御装置
12を介してアクチュエータ13を作動させることにより、
前記圧下力分布の中心Ｐと圧下中心Ｓとが一致するよう
にプレス金型８をスライドさせて位置調整する。The width press by the press die 8 is started, and the press die 8
The center P of the rolling force distribution and the rolling center S of the rolling device
If there is a deviation L between the load and the press die 8, there will be a difference in the load detected by the load detectors 14 and 15 provided before and after the press die 8. This difference is obtained by the subtractor 16, and the command controller 18 loads the load detectors 14, 15
The magnitude of the deviation L and whether the deviation L is in the front or back direction of the moving direction of the material 1 are obtained depending on which of the detected loads of the
By actuating the actuator 13 via 12,
The press die 8 is slid to adjust the position so that the center P of the rolling force distribution coincides with the center S of the rolling force.
上記作用により、圧下量の変化によって変わる圧下力分
布の中心Ｐ位置と圧下中心Ｓとを一致させことができ、
よってプレス金型８にモーメントが発生してプレス本体
３に偏荷重が作用するのを防止することができる。With the above action, the center P position and the center S of the reduction force distribution, which change depending on the change in the reduction amount, can be matched.
Therefore, it is possible to prevent a moment from being generated in the press die 8 and exert an unbalanced load on the press body 3.
また、前記ずれＬが最も大きく発生し易い材料１の先後
端の幅圧下時は、検出器からの先後端信号19により、予
め先後端の圧下によって求めて指令制御装置18に入力し
ておいた設定信号17に基づいて、ずれＬが零となる予想
位置に、前記アクチュエータ13を介してプレス金型８を
移動調整するようにしているので、前記プレス金型８に
おける圧下力分布の中心Ｐと、圧下装置の圧下中心Ｓと
の間が大きくずれるようなことはない。又、上記プレス
金型８の位置調整の方法として、まず軽く圧下してその
ときの荷重検出器14,15の検出値に基づいて大略の位置
決めを行い、その後自動的な位置制御を行わせるように
しても良い。Further, when the width L of the front and rear ends of the material 1 in which the deviation L is most likely to occur is reduced, it is obtained in advance by the reduction of the front and rear ends by the front and rear end signal 19 from the detector and input to the command control device 18. Based on the setting signal 17, the press die 8 is moved and adjusted via the actuator 13 to an expected position where the deviation L becomes zero, so that the center P of the rolling force distribution in the press die 8 is adjusted. There is no large deviation between the reduction center S and the reduction center S of the reduction device. Further, as a method for adjusting the position of the press die 8, first, a slight reduction is first performed to roughly perform positioning based on the detection values of the load detectors 14 and 15 at that time, and then automatic position control is performed. You can
尚、本発明は、上記実施例にのみ限定されるものではな
く、プレス金型の位置調整を行うアクチュエータには、
ラック・ピニオン或いはスクリューロッド方式等種々の
方式を採用し得ること、プレス金型が種々の形状を有し
ているものに適用できること、圧下装置には種々の圧下
方式のものを採用できること、その他本発明の要旨を逸
脱しない範囲内において種々変更を加え得ること、等は
勿論である。The present invention is not limited to the above-mentioned embodiment, and an actuator for adjusting the position of the press die is
It is possible to adopt various methods such as rack and pinion or screw rod method, it can be applied to those having various shapes of press dies, various reduction methods can be used for the reduction device, and other It goes without saying that various changes can be made without departing from the scope of the invention.
［発明の効果］ 上記したように、本発明のプレスによる幅圧下方法及び
装置によれば、プレス金型の圧下装置への取付け部にお
ける材料の進行方向前後に設けた荷重検出器の検出荷重
の差から、指令制御装置により圧下装置の圧下中心に対
するプレス金型の圧下力分布の中心のずれを求め、この
ずれに基づいて、アクチュエータによりプレス金型を材
料の進行方向に変移させて、プレス金型における圧下力
分布の中心と圧下装置における圧下中心を一致させるよ
うにしているので、プレス金型における圧下力分布の中
心と圧下装置における圧下中心との間にずれが生じるの
を確実に防止することができ、よってプレス金型のモー
メント発生を防止してプレス本体の偏荷重を防止するこ
とができる優れた効果を奏し得る。[Advantages of the Invention] As described above, according to the width reduction method and device by the press of the present invention, the detection load of the load detector provided before and after the material advancing direction in the attachment part of the press die to the reduction device is detected. From the difference, the command control device calculates the deviation of the center of the pressing force distribution of the press die with respect to the center of reduction of the pressing device, and based on this deviation, the actuator moves the press die in the material advancing direction, and the press die Since the center of the reduction force distribution in the die and the center of the reduction device in the reduction device are made to coincide with each other, it is possible to reliably prevent a deviation from occurring between the center of the reduction force distribution in the press die and the reduction center in the reduction device. Therefore, it is possible to obtain an excellent effect that the moment of the press die is prevented from being generated and the unbalanced load of the press body can be prevented.
第１図は本発明の一実施例を示す平面図、第２図（Ａ）
（Ｂ）（Ｃ）は従来のプレス幅圧下装置による幅圧下時
の材料先端部と中間定常部と後端部における圧下力分布
を示す説明図である。 １は材料、２はガイド面、３はプレス本体、４はスライ
ド架台、５は油圧シリンダ（圧下装置）、６は金型ホル
ダー、７は傾斜面、８はプレス金型、11はスクリュー、
12は油圧制御装置、13はアクチュエータ、14,15は荷重
検出器、16は引算器、17は設定信号、18は指令制御装
置、19は先後端信号を示す。FIG. 1 is a plan view showing an embodiment of the present invention, and FIG. 2 (A).
(B) (C) is explanatory drawing which shows the rolling force distribution in the material front-end | tip part, an intermediate | middle steady part, and a rear end part at the time of width reduction by the conventional press width reduction apparatus. 1 is a material, 2 is a guide surface, 3 is a press body, 4 is a slide stand, 5 is a hydraulic cylinder (roll down device), 6 is a die holder, 7 is an inclined surface, 8 is a press die, 11 is a screw,
12 is a hydraulic control device, 13 is an actuator, 14 and 15 are load detectors, 16 is a subtractor, 17 is a setting signal, 18 is a command control device, and 19 is a front / rear end signal.
Claims (1)
の進行方向にスライド可能にプレス金型を取付け、且つ
前記プレス本体に、前記プレス金型のスライド位置調整
を行うアクチュエータを設けると共に、前記プレス金型
の圧下装置に対する取付け部における材料の進行方向前
後に荷重検出器を設け、該前後の荷重検出器による検出
荷重のどちらがどれだけ大きいかに基づいて前記プレス
金型の圧下力分布の中心と圧下装置の圧下中心とを一致
させるよう前記アクチュエータの作動を制御する指令制
御装置を設けたことを特徴とするプレスによる幅圧下装
置。1. A press die attached to a pressing device provided in a press body so as to be slidable in a material advancing direction, and an actuator for adjusting a slide position of the press die is provided in the press body. A load detector is provided in front of and behind the material advancing direction in the attachment portion of the pressing die for the pressing device, and the pressing force distribution of the pressing die is determined based on which of the loads detected by the front and rear load detectors is larger. A width reduction device by a press, comprising a command control device for controlling the operation of the actuator so that the center and the reduction center of the reduction device coincide with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60275697A JPH06102207B2 (en) | 1985-12-06 | 1985-12-06 | Width reduction device by press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60275697A JPH06102207B2 (en) | 1985-12-06 | 1985-12-06 | Width reduction device by press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62134128A JPS62134128A (en) | 1987-06-17 |
| JPH06102207B2 true JPH06102207B2 (en) | 1994-12-14 |
Family
ID=17559097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60275697A Expired - Lifetime JPH06102207B2 (en) | 1985-12-06 | 1985-12-06 | Width reduction device by press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06102207B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419788U (en) * | 1990-06-05 | 1992-02-19 | ||
| JP2013035044A (en) * | 2011-08-09 | 2013-02-21 | Kobe Steel Ltd | Press die, press die designing method, sizing press method, and sizing press machine |
| CN107552701B (en) * | 2017-08-10 | 2020-06-30 | 燕山大学 | Roll forging forming equipment with electro-plastic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6174710A (en) * | 1984-09-19 | 1986-04-17 | Hitachi Ltd | Slab width reduction method and device |
-
1985
- 1985-12-06 JP JP60275697A patent/JPH06102207B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62134128A (en) | 1987-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |