JPS62296915A - Bend cam device - Google Patents
Bend cam deviceInfo
- Publication number
- JPS62296915A JPS62296915A JP14260086A JP14260086A JPS62296915A JP S62296915 A JPS62296915 A JP S62296915A JP 14260086 A JP14260086 A JP 14260086A JP 14260086 A JP14260086 A JP 14260086A JP S62296915 A JPS62296915 A JP S62296915A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- slider
- driver
- face
- cam driver
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
【発明の詳細な説明】
3、発明の詳細な説明
(産業上の利用分野)
本発明は、Fjj板鋼板に側部から穴明け、曲げ加工等
を行う際に使用されるベンドカム装置に関する。Detailed Description of the Invention 3. Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a bend cam device used when drilling, bending, etc. from the side of an FJJ steel plate.
(従来の技術)
第3図は従来のベンドカム装置を示す0図中(101)
は上型に設けられ上下動するカムドラ・イバー、(10
3)は前後方向に移動可能に設けられるとともに通常時
は後方に弾性付勢されるカムスライダーで、このカムス
ライダー(+03)前部には下グイ(109)上にパッ
ド(+07)により押圧された薄板鋼板(108)を加
工するためのパンチ(104)が取り付けられている。(Prior art) Figure 3 shows a conventional bend cam device (101) in Figure 0.
is a cam driver installed in the upper mold that moves up and down, (10
3) is a cam slider that is provided so as to be movable in the front-rear direction and is elastically biased rearward under normal conditions.The front part of this cam slider (+03) is pressed by a pad (+07) on a lower guide (109). A punch (104) for processing a thin steel plate (108) is attached.
前記カムドライバー(101)の下端前部には前傾する
ドライバー傾斜面(Iota)を設ける一方、カムスラ
イダー(103)の上端後部にはこのドライバー傾斜面
(lola)が当接し、カムドライバー(103)に作
用する鉛直下方向への力の一部を前方向への力に変更し
て、カムスライダー(to3)を前進せしめるとともに
、更に下動するカムドライバー(lot)をカムスライ
ダー後端垂直部(103b)に沿って逃がすためのスラ
イダー傾斜面(103a)が設けられている。The cam driver (101) is provided with a driver inclined surface (Iota) tilting forward at the front of the lower end, while the driver inclined surface (Lola) is in contact with the upper end rear of the cam slider (103). ) is changed into a forward force to move the cam slider (TO3) forward, and the cam driver (LOT), which moves further downward, is moved to the rear vertical part of the cam slider. A slider inclined surface (103a) is provided for escaping along (103b).
第4図はこのカム装置の作用を示すもので、上型の操作
によりカムドライバー(101)が下動してくると先ず
、(a)で示すようにドライバー傾斜面(101a)が
スライダー傾斜面(103a)に当接し、夫々の面が互
いにすれ合うようにしてカムスライダー(103)は前
方向へ、カムドライバー(101)は下方向へ移動する
。そして、(b)で示すように夫々の傾斜面端部(10
1c) 、(103c)が当接する位置においてカムス
ライダー(103)の前進動は停止し、その後部に上型
を下動させた場合は、(C)で示すようにカムドライバ
ー(101)はカムスライダー(103)の後端垂直部
に沿って下動し、やがてプレス下死点に達するようにな
る。FIG. 4 shows the action of this cam device. When the cam driver (101) moves downward by the operation of the upper die, first the driver inclined surface (101a) changes to the slider inclined surface as shown in (a). (103a), and the cam slider (103) moves forward and the cam driver (101) moves downward so that their respective surfaces brush against each other. Then, as shown in (b), each inclined surface end (10
The forward movement of the cam slider (103) stops at the position where 1c) and (103c) come into contact with each other, and when the upper die is moved downward to the rear of the cam slider (103), the cam driver (101) moves as shown in (C). The slider (103) moves downward along the rear end vertical portion and eventually reaches the bottom dead center of the press.
(発明が解決しようとする問題点)
しかしながら、このようにドライバー傾創面(101a
)とスライダー傾斜面(+03a)とを夫々が互いにす
れ合うように平行移動させることでカムドライバー(1
01)の下動運動をカムスライダー(to3)の前進連
動に変更しようとした場合、第4図(b)で示すように
カムスライダー(103)を停止させる位置においては
、各傾斜面(101a) 、(103a)の端部同士(
101c)、(103c)が当接することとなり1面接
触から線接触の状態となる。従ってこの状態においては
各斜面端部(101c)、(103c)に荷重が集中す
ることとなって端部(1G1c)、(103c)は摩耗
し易く、この結果後のカム作動に誤差が生じ加工精度が
低下するという虞れも生じ、又カムの寿命も短くなる。(Problem to be solved by the invention) However, as described above, the driver tilting surface (101a
) and the slider inclined surface (+03a) in parallel so that they brush against each other, the cam driver (1
When trying to change the downward motion of 01) to forward movement of the cam slider (to3), as shown in FIG. 4(b), at the position where the cam slider (103) is stopped, each inclined surface (101a) , (103a) between the ends (
101c) and (103c) come into contact, and the state changes from one-plane contact to line contact. Therefore, in this state, the load is concentrated on each slope end (101c), (103c), and the end parts (1G1c), (103c) are likely to wear out, resulting in errors in subsequent cam operation and machining. There is also a risk that accuracy will be reduced, and the life of the cam will also be shortened.
そこで本発明はかかる従来の問題点を解決すべく成され
たもので、その目的とする処は、カム面が摩耗し難く、
耐久性に優れ、信頼性も向上し得るベンドカム装置を提
供することにある。Therefore, the present invention has been made to solve such conventional problems, and its purpose is to prevent the cam surface from wearing easily.
It is an object of the present invention to provide a bend cam device which has excellent durability and can improve reliability.
(問題点を解決するための手段及び作用)この目的を達
成するため本発明は、上グイ(2)にカムドライバー(
1)を設け、下グイ(9)にカムスライダー(3)を設
け、上型(2)の下動に伴ってカムの作用により前記カ
ムスライダー(3)を所定長さに亘り前進せしめるとと
もに、カムスライダー(3)後端部(30b)で前記カ
ムドライバー(1)の下動を許容するようにしたベンド
カム装置において、前記カムドライバー(1)を、前記
上型(2)の下動方向と前記カムスライダーの前進方向
の双方に平行な平面内にて回動自在に設けられ且つその
一平坦面(12a)が前傾姿勢となるように弾性支持さ
れてなるカムドライバー用回転部材(11)にて構成す
る一方、前記カムスライダー(3)を、前記平面内にて
回動自在に設けられ且つその一平坦面(32a)が下降
してくる前記カムドライバー用回転部材(11)の−平
坦面(12a)に整合し得る姿勢に弾性支持されてなる
カムスライダー用回転部材(31)にて構成するように
してなる。このような構成とすることにより、カムドラ
イバー(1)の下動に伴ってカムドライバー用回転部材
(11)とカムスライダー用回転部材(31)は共に整
合した状態で回転することとなり、これらは常に面接触
を保ちつつるのを防ぐことができる。(Means and effects for solving the problem) In order to achieve this object, the present invention provides a cam driver (2) for the upper guide (2).
1), a cam slider (3) is provided on the lower guide (9), and the cam slider (3) is advanced over a predetermined length by the action of the cam as the upper mold (2) moves downward; In the bend cam device in which the rear end (30b) of the cam slider (3) allows the downward movement of the cam driver (1), the cam driver (1) is aligned with the downward movement direction of the upper mold (2). A rotating member (11) for a cam driver, which is rotatably provided in a plane parallel to both directions of advancement of the cam slider and is elastically supported so that one flat surface (12a) thereof is tilted forward. On the other hand, the cam slider (3) is provided rotatably within the plane and one flat surface (32a) of the cam driver rotating member (11) is configured to be a flat surface of the cam driver rotating member (11). It is constituted by a cam slider rotating member (31) which is elastically supported in a position that can align with the surface (12a). With this configuration, as the cam driver (1) moves downward, both the cam driver rotating member (11) and the cam slider rotating member (31) rotate in an aligned state. This can prevent constant face-to-face contact.
(実施例)
以下に本発明の好適実施例を添付図面に基づいて説明す
る。(Embodiments) Preferred embodiments of the present invention will be described below based on the accompanying drawings.
第1図は本発明に係るベンドカム装置を示す断面図であ
る0図において、(1)は上グイ(2)に支持されるカ
ムドライバー、(3)は前部にパンチ(4)を取り付け
たカムスライダー、(5)は予じめ成形された薄板鋼板
(8)を載置する下グイ、(7)は上型(8)に設けら
れ薄板鋼板(8)を押えるパッドを示す。Fig. 1 is a cross-sectional view showing the bend cam device according to the present invention. The cam slider, (5) is a lower guide on which a pre-formed thin steel plate (8) is placed, and (7) is a pad provided on the upper mold (8) to press down the thin steel plate (8).
前記カムドライバー(1)は上グイ(2)に取り付けら
れた基部(10)に対し半円状の回転コマ(11)を回
動自在に取り付けるとともに、この回転コマ(11)を
所定角度に弾性支持してなる。即ち、この回転コマ(1
1)を左回転(矢印A+)方向に不図示のスプリング等
により付勢するとともに、この回転コマ(11)の径部
(lla)にはスライド面(12a)を有する平板(1
2)を固着し、この平板(12)の下端部(12b)が
基部(10)の下端部(10a)に当接して同付勢方向
への回転を規制するようにすることで平坦部であるスラ
イド面(12a)が前傾姿勢となるように支持している
。又、回転コマ(11)の周縁部には弧状の長溝(13
)を設けるとともに、この長溝(13)に基部(10)
に設けたビン(14)を係合させ、回転コマ(11)の
右方向への回転角を所定角度、即ちスライド面(12a
)が回転し鉛直方向と一致するまでの回転角度に制限し
ている。The cam driver (1) has a semicircular rotary piece (11) rotatably attached to the base (10) attached to the upper guide (2), and elastically rotates the rotary piece (11) at a predetermined angle. I support you. That is, this rotating top (1
1) is biased in the counterclockwise direction (arrow A+) by a spring (not shown), and a flat plate (1) having a sliding surface (12a) is attached to the diameter portion (lla) of this rotating top (11).
2), and the lower end (12b) of the flat plate (12) abuts the lower end (10a) of the base (10) to restrict rotation in the same biasing direction. A certain sliding surface (12a) is supported in a forward leaning position. In addition, an arc-shaped long groove (13
) and a base (10) in this long groove (13).
The rotation angle of the rotating top (11) to the right is adjusted to a predetermined angle, that is, the slide surface (12a
) is rotated until it coincides with the vertical direction.
これに対する前記カムスライダー(3)は、前部にパン
チ(4)を備えた基部(30)に前記カムドライバー(
1)に設けたと全く同一な回転コマ(31)を前記回転
コマ(11)と対称的に設けてなる。即ち、この回転コ
マ(31)は半円状をなし、基部(30)に対し回動自
在に設けられ、その径部(31a)に設けた平板(32
)のスライド面(32a)が前記カムドライバー(1)
側の回転コマ(11)のスライド面(12a)と平行に
なるべく、左回転(矢印A2方向)方向に不図示のスプ
リングにて付勢するとともに平板上端部(32b)を基
部(30)の端部(30a)に出接させて上傾姿勢に支
持してなる。そして、この回転コマ(31)の周縁部に
は弧状の長溝(33)を設け、この長溝(33)に基部
(30)に設けたビン(34)を係合させて回転コマ(
31)の左方向への回転角を所定角度に制限している。In contrast, the cam slider (3) has a base (30) equipped with a punch (4) at the front and the cam driver (
A rotating top (31) exactly the same as that provided in 1) is provided symmetrically with the rotating top (11). That is, this rotating top (31) has a semicircular shape, is provided rotatably with respect to the base (30), and has a flat plate (32) provided on its diameter portion (31a).
) is the sliding surface (32a) of the cam driver (1).
A spring (not shown) is used to bias the upper end of the flat plate (32b) to the end of the base (30) so that it is parallel to the sliding surface (12a) of the rotating top (11) on the side. (30a) and is supported in an upwardly inclined position. An arc-shaped long groove (33) is provided on the peripheral edge of the rotating top (31), and a bottle (34) provided on the base (30) is engaged with the long groove (33) to engage the rotating top (31).
31) is limited to a predetermined angle.
そしてこのカムスライダー(3)は下ダイ(9)に対し
、進退動可能に設けられるとともに、復帰スプリング(
35)を介して装置後方(図面右方向)に付勢されて設
けられる。The cam slider (3) is provided so as to be able to move forward and backward with respect to the lower die (9), and the return spring (
35) and is biased toward the rear of the device (toward the right in the drawing).
第2図は以上説明したベンドカム装置の作用を示す図で
ある。今、カムドライバー(1)が下動し、カムスライ
ダー(3)に当接すると、夫々のスライダー面(12a
) 、 (32a)は平行に支持されているため(a)
で示すように面接触する。その後カムドライバー(1)
はカムスライダー(3)を接触面で前方向へ押しつつ下
動し、やがて(b)で示すように夫々のスライダ面(+
2a)、 (32a)は整合するようになる。その後部
にカムドライバー(1)が下動すると、夫々の回転コマ
(11,)、(31)はその回転軸(110)、(31
C)を中心として整合したまま右方向に回転し始め(C
)、前述した長溝(13) 、(33)とビン(14)
、(34)の作用によりやがて(d)で示す状態にて回
転を停止し、その後は(e)で示すようにカムスライダ
ー(3)のスライド面(32a)及びその基部(30)
後端垂直部(30b)に沿ってカムドライバー(1)の
スライド面(12a)が摺動下降するようになる。こう
して本実施例よれば、各回転コマ(+1)。FIG. 2 is a diagram showing the operation of the bend cam device described above. Now, when the cam driver (1) moves downward and comes into contact with the cam slider (3), each slider surface (12a
), (32a) are supported in parallel, so (a)
Make surface contact as shown in . Then cam driver (1)
moves downward while pushing the cam slider (3) forward with the contact surface, and as shown in (b), the respective slider surfaces (+
2a) and (32a) become consistent. When the cam driver (1) moves downward behind it, the respective rotating pieces (11,) and (31) move toward their rotating shafts (110) and (31).
It begins to rotate clockwise while maintaining alignment around C) (C
), the aforementioned long grooves (13), (33) and bottle (14)
, (34), the rotation will eventually stop in the state shown in (d), and after that, as shown in (e), the sliding surface (32a) of the cam slider (3) and its base (30)
The slide surface (12a) of the cam driver (1) slides down along the rear end vertical portion (30b). Thus, according to this embodiment, each rotating top (+1).
(31)のスライド面(12a)、(32a)は常に互
いに面接触の状態を維持することができ、荷重の集中を
避けながらカム作動を行わしめることができる。The sliding surfaces (12a) and (32a) of (31) can always maintain a state of surface contact with each other, and the cam operation can be performed while avoiding concentration of load.
尚1本実施例において、カムドライバー及びカムスライ
ダーは夫々半円状の回転コマにて構成するようにしたが
、本発明はこれらの形状等に限定されることはなく、要
は実施例で示したと同一の作用が行なわれるような、平
坦面を有する回転部材にて構成し得るようなものであれ
ばよい。In this embodiment, the cam driver and the cam slider are each formed of semicircular rotating pieces, but the present invention is not limited to these shapes, etc., and the main points are as shown in the embodiment. Any material that can be constructed of a rotating member having a flat surface and capable of performing the same action as the above example may be used.
(発明の効果)
以上の説明により明らかな如く、本発明によれば、カム
面が常に面接触の状態を維持することができ、従来のよ
うに線接触の状態が起こらず。(Effects of the Invention) As is clear from the above description, according to the present invention, the cam surfaces can always maintain a state of surface contact, and a state of line contact does not occur as in the conventional case.
よって荷重の集中を避けることができ、カム面がm棄C
+a&/+L+1##μ+wIJLふり1%J−9ふ4
J、+4−1114+11ベンドカム装置を提供するこ
とができる。Therefore, concentration of load can be avoided, and the cam surface is
+a&/+L+1##μ+wIJL pretend 1%J-9fu4
J, +4-1114+11 bend cam device can be provided.
第1図は本発明に係るベンドカム装置を示す断面図、第
2図は本発明に係るベンドカム装置の作用を示す図、第
3図は従来のベンドカム装置を示す図、第4図は従来の
ベンドカム装4の作用を示す図である。
そして図面中、(1)はカムドライバー、(2)は上グ
イ、(3)はカムスライダー、(8)は下グイ、(11
)は回転コマ(カムドライバー用回転部材)、(12a
)はカムドライバー用回転部材の一平坦面、(31)は
回転コマ(カムスライダー用回転部材)。
(32a)はカムスライダー用回転部材の一平坦面であ
る。FIG. 1 is a sectional view showing a bend cam device according to the present invention, FIG. 2 is a view showing the action of the bend cam device according to the present invention, FIG. 3 is a diagram showing a conventional bend cam device, and FIG. 4 is a diagram showing a conventional bend cam device. 4 is a diagram showing the action of the device 4. FIG. In the drawing, (1) is the cam driver, (2) is the upper guide, (3) is the cam slider, (8) is the lower guide, (11)
) is a rotating piece (rotating member for cam driver), (12a
) is one flat surface of the rotating member for the cam driver, and (31) is the rotating piece (rotating member for the cam slider). (32a) is one flat surface of the cam slider rotating member.
Claims (1)
設け、上型の下動に伴って、カムの作用により前記カム
スライダーを所定長さに亘り前進せしめるとともに、カ
ムスライダー後端部で前記カムドライバーの下動を許容
するようにしたベンドカム装置において、 前記カムドライバーを、前記上型の下動方向と前記カム
スライダーの前進方向の双方に平行な平面内にて回動自
在に設けられ且つその一平坦面が前傾姿勢となるように
弾性支持されてなるカムドライバー用回転部材にて構成
する一方、 前記カムスライダーを、前記平面内にて回動自在に設け
られ且つその一平坦面が下降してくる前記カムドライバ
ー用回転部材の一平坦面に整合し得る姿勢に弾性支持さ
れてなるカムスライダー用回転部材にて構成するように
したことを特徴とするベンドカム装置。[Claims] A cam driver is provided in the upper mold, a cam slider is provided in the lower mold, and as the upper mold moves downward, the cam slider is advanced over a predetermined length by the action of the cam. In a bend cam device that allows downward movement of the cam driver at a rear end portion, the cam driver is rotated in a plane parallel to both the downward movement direction of the upper die and the forward movement direction of the cam slider. A rotating member for a cam driver is provided freely and is elastically supported so that one flat surface thereof is tilted forward, while the cam slider is provided rotatably within the plane and A bend cam device comprising a rotating member for a cam slider which is elastically supported in a position where one flat surface thereof can be aligned with one flat surface of the rotating member for the cam driver that is descending.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14260086A JPS62296915A (en) | 1986-06-18 | 1986-06-18 | Bend cam device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14260086A JPS62296915A (en) | 1986-06-18 | 1986-06-18 | Bend cam device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62296915A true JPS62296915A (en) | 1987-12-24 |
JPH0363445B2 JPH0363445B2 (en) | 1991-10-01 |
Family
ID=15319077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14260086A Granted JPS62296915A (en) | 1986-06-18 | 1986-06-18 | Bend cam device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62296915A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5718144A (en) * | 1996-03-28 | 1998-02-17 | Chrysler Corporation | Dwell cam driver for stamping press |
DE10340509A1 (en) * | 2003-09-03 | 2005-03-31 | Bayerische Motoren Werke Ag | Wedge drive tool with mutually adjustable elements for cutting a sheet metal workpiece without cutting in a press |
-
1986
- 1986-06-18 JP JP14260086A patent/JPS62296915A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5718144A (en) * | 1996-03-28 | 1998-02-17 | Chrysler Corporation | Dwell cam driver for stamping press |
DE10340509A1 (en) * | 2003-09-03 | 2005-03-31 | Bayerische Motoren Werke Ag | Wedge drive tool with mutually adjustable elements for cutting a sheet metal workpiece without cutting in a press |
US7165438B2 (en) | 2003-09-03 | 2007-01-23 | Bayerische Motoren Werke Aktiengesellschaft | Wedge driving tool having mutually adjustable elements for the cutting and/or non-cutting shaping of a sheet metal workpiece in a press |
Also Published As
Publication number | Publication date |
---|---|
JPH0363445B2 (en) | 1991-10-01 |
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