JPH0415373Y2 - - Google Patents
Info
- Publication number
- JPH0415373Y2 JPH0415373Y2 JP7728187U JP7728187U JPH0415373Y2 JP H0415373 Y2 JPH0415373 Y2 JP H0415373Y2 JP 7728187 U JP7728187 U JP 7728187U JP 7728187 U JP7728187 U JP 7728187U JP H0415373 Y2 JPH0415373 Y2 JP H0415373Y2
- Authority
- JP
- Japan
- Prior art keywords
- cam
- guide cam
- press
- processing
- guide
- 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
Links
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Punching Or Piercing (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は、パネルの端縁を曲げ加工するプレス
型において、案内カムのバツクアツプ装置に関す
るものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a back-up device for a guide cam in a press die for bending the edge of a panel.
〈従来の技術〉
パネル(以下ワークWという)の端縁を曲げ加
工するプレス型は第3図で示すように、下型1上
に水平方向に移動可能な案内カム2と、この案内
カム2上に相対移動可能な加工カム3とからな
り、昇降動する上型4に設けられたドライバー5
の楔合によつて前記案内カム2と加工カム3とを
相対移動させ、案内カム2に設けた曲刃6と加工
カム3に設けた曲刃7を互いに接近寄せ合つてワ
ークWの端縁を曲げ加工する構造である。<Prior art> As shown in FIG. 3, a press die for bending the edge of a panel (hereinafter referred to as work W) has a guide cam 2 movable in the horizontal direction on a lower die 1, and this guide cam 2. A driver 5 is provided on an upper die 4 that moves up and down, and includes a processing cam 3 that is relatively movable above.
The guide cam 2 and the processing cam 3 are moved relative to each other by the wedge engagement, and the curved blade 6 provided on the guide cam 2 and the curved blade 7 provided on the processing cam 3 are brought close to each other, thereby cutting the edge of the workpiece W. It has a structure for bending.
〈考案が解決しようとする問題点〉
上記のプレス型においては、ドライバー5の楔
合による曲刃加重Fは案内カム2の曲刃6が取り
付けられている背面部2aの鋳物だけで受けてい
る。そのため、この背面部2aの肉厚B1が薄い
とクラツクCが生じて破損する。これを防止する
ために背面部2aの肉厚B1を厚くすると、下型
1のワークWの受け面1aの肉厚を薄くしなけれ
ばならず、その結果、ワークWの安定が悪くなり
製品精度のバラツキを生ずる不具合となる。<Problem to be solved by the invention> In the above press die, the curved blade load F due to the wedge engagement of the driver 5 is received only by the casting of the back surface 2a to which the curved blade 6 of the guide cam 2 is attached. . Therefore, if the wall thickness B1 of this back surface portion 2a is small, cracks C will occur and damage will occur. If the wall thickness B1 of the back surface 2a is increased in order to prevent this, the thickness of the receiving surface 1a of the workpiece W of the lower die 1 must be reduced, resulting in poor stability of the workpiece W and product accuracy. This is a problem that causes variations in the values.
〈問題点を解決するための手段〉
本考案は、上記の問題点を解決するためのバツ
クアツプ装置を提供するもので、その特徴とする
構成は、下型上に水平方向に移動可能に設置した
案内カムと、この案内カム上に相対移動可能に設
置した加工カムとからなり、昇降動する上型に設
けられたドライバーの楔合によつて前記案内カム
と加工カムとを相対移動させ、案内カムと加工カ
ムとの対向面に設けられている曲刃を互いに接近
してワーク端縁を曲げ加工するプレス型におい
て、前記加工カムの曲刃が設けられている側の端
面にシヤフトを加工カムの移動軸線方向に案内カ
ムを貫通して固設し、前記案内カムの曲刃を備え
ている部位の背面と対抗する部位の下型にバツク
アツプ受けブロツクと、前記シヤフトの進退移動
によつて旋回する作動アームとを設け、この作動
アームにプレス下死点時に前記案内カムの曲刃部
位の背面とバツクアツプ受けブロツクとの間に介
入し、上死点時には退避位置に旋回動するバツク
アツプローラを設けたものである。<Means for solving the problems> The present invention provides a backup device to solve the above problems, and its characteristic configuration is that the backup device is installed movably in the horizontal direction on the lower mold. Consisting of a guide cam and a processing cam that is relatively movably installed on the guide cam, the guide cam and processing cam are moved relative to each other by the wedge engagement of a driver provided on the upper die that moves up and down, and the guide is In a press die that bends the edge of a workpiece by bringing curved blades provided on opposing surfaces of a cam and a processing cam close to each other, a shaft is attached to the end surface of the processing cam on the side where the curved blade is provided. A back-up receiving block is fixedly installed through the guide cam in the direction of the axis of movement of the guide cam, and a back-up receiving block is provided on the lower part of the part opposite to the back surface of the part provided with the curved blade of the guide cam. and a back-up propeller which intervenes between the back surface of the curved blade portion of the guide cam and the back-up receiving block at the bottom dead center of the press and pivots to a retracted position at the top dead center. It was established.
〈作用〉
上記の構成により、上型の下降動によるドライ
バーの楔合で移動する案内カムの運動によつてバ
ツクアツプローラを退避位置より案内カムの曲刃
を備えている部位の背面とバツクアツプ受けブロ
ツクとの間に介入して強制的にバツクアツプし、
曲刃荷重を下型本体で受けるものである。<Operation> With the above configuration, the back-up roller is moved from the retracted position by the movement of the guide cam that moves with the wedge of the driver due to the downward movement of the upper mold, and the back of the part with the curved blade of the guide cam and the back-up receiver. Intervening with the block and forcibly backing it up,
The curved blade load is received by the lower mold body.
〈実施例〉
以下本考案の実施例を第1図及び第2図に基づ
いて説明する。第1図において、1は下型、2は
案内カム、3は加工カム、4は上型、5はドライ
バー、6,7は曲刃であり従来構造と同じであ
る。<Example> Hereinafter, an example of the present invention will be described based on FIGS. 1 and 2. In FIG. 1, 1 is a lower mold, 2 is a guide cam, 3 is a processing cam, 4 is an upper mold, 5 is a driver, and 6 and 7 are curved blades, which are the same as the conventional structure.
本考案は上記構造のプレス型において、前記加
工カム3の曲刃7が設けられている側の端面3a
にシヤフト10を加工カム3の移動軸線方向に案
内カム2に明けた穴11を貫通して固設し、前記
案内カム2の曲刃6を備えている背面部2aと対
向する部位の下型1にバツクアツプ受けブロツク
13と、このバツクアツプ受けブロツク13に支
持された回転軸14を支点とし、前記シヤフト1
0と連結され、シヤフト10の進退移動によつて
旋回する作動アーム12とを設け、前記回転軸1
4に固着した旋回アーム15に前記背面部2aと
バツクアツプ受けブロツク13との間に介入する
バツクアツプローラ16を取り付けた構成の案内
カムのバツクアツプ装置を装備したことを特徴と
するものである。 The present invention provides a press mold having the above structure, in which the end surface 3a of the processing cam 3 on the side where the curved blade 7 is provided.
A shaft 10 is fixedly installed by penetrating a hole 11 made in the guide cam 2 in the direction of the moving axis of the processing cam 3, and a lower die of the part of the guide cam 2 facing the back surface 2a provided with the curved blade 6. 1 has a backup receiving block 13, and the rotating shaft 14 supported by this backup receiving block 13 is used as a fulcrum, and the shaft 1
0, and is provided with an operating arm 12 that rotates as the shaft 10 advances and retreats, and the rotating shaft 1
The present invention is characterized in that it is equipped with a guide cam backup device having a configuration in which a backup roller 16 interposed between the back surface portion 2a and the backup receiving block 13 is attached to a rotating arm 15 fixed to the back surface portion 2a.
次に上記構成によるバツクアツプ装置の動作を
説明する。第1図はプレス下死点時の状態であ
り、プレス上死点時では案内カム2は第1図にお
いて右進端に、また加工カム3は左進端に位置し
ている。この加工カム3の左進端ではシヤフト1
0も左進、すなわち後退移動し、作動アーム12
を時計方向に回動する。これにより回転軸14を
介して旋回アーム15も時計方向に旋回しバツク
アツプローラ16を仮想線で示す退避位置に旋回
している。 Next, the operation of the backup device having the above configuration will be explained. FIG. 1 shows the state at the bottom dead center of the press, and at the top dead center of the press, the guide cam 2 is located at the rightward end in FIG. 1, and the processing cam 3 is located at the leftward end. At the leftward advancing end of this machining cam 3, the shaft 1
0 also moves to the left, that is, moves backward, and the actuating arm 12
Rotate clockwise. As a result, the pivot arm 15 also pivots clockwise via the rotating shaft 14, and the backup propeller 16 is pivoted to the retracted position shown by the imaginary line.
上型4の下降動によりドライバー5が案内カム
2と加工カム3とのカム面に楔合すると案内カム
2は第1図において左進し、加工カム3は右進す
る。この加工カム3と右進によりシヤフト10が
前進し作動アーム12並びに旋回アーム15は回
転軸14を中心にして反時計方向に旋回しバツク
アツプローラ16を退避位置より背面部2aとバ
ツクアツプ受けブロツク13間に旋回動する。そ
してプレス下死点時には第1図で示すように、バ
ツクアツプローラ16は背面部2aとバツクアツ
プ受けブロツク13間に介入し、曲刃荷重Fをバ
ツクアツプローラ16、バツクアツプ受けブロツ
ク13を介して下型1に伝えられ、下型1本体に
よつて受けるのである。 When the driver 5 wedges the cam surfaces of the guide cam 2 and the processing cam 3 due to the downward movement of the upper mold 4, the guide cam 2 moves to the left in FIG. 1, and the processing cam 3 moves to the right. The shaft 10 moves forward with the processing cam 3 moving to the right, and the operating arm 12 and the swing arm 15 swing counterclockwise around the rotating shaft 14 to move the backup roller 16 from the retracted position to the back surface 2a and the backup receiving block 13. It rotates in between. At the bottom dead center of the press, as shown in FIG. It is transmitted to the mold 1 and received by the main body of the lower mold 1.
〈考案の効果〉
以上のように本考案によると、加工カムの左右
の動きを利用してバツクアツプローラを旋回作動
し、案内カムの背面部2aを強制的にバツクアツ
プして曲刃荷重Fを下型本体で受けるようにした
構成であるから、案内カムの背面部2aの肉厚を
薄くしても破損することがなく、この背面部2a
の肉厚を薄くすることにより案内カムのサイズが
縮小され経費低減と重量軽減が図られる。また背
面部2aの肉厚を薄くすることにより下型のワー
ク受け面1aの面積を確保することができ、ワー
クの安定性により加工精度及び品質の向上が得ら
れる効果がある。<Effects of the invention> As described above, according to the invention, the back-up roller is rotated using the left-right movement of the processing cam, and the back surface 2a of the guide cam is forcibly backed up to reduce the curved blade load F. Since the structure is such that it is received by the lower mold body, even if the thickness of the back surface portion 2a of the guide cam is made thin, it will not be damaged, and this back surface portion 2a
By reducing the wall thickness of the guide cam, the size of the guide cam can be reduced, reducing costs and weight. Further, by reducing the thickness of the back surface portion 2a, the area of the workpiece receiving surface 1a of the lower die can be secured, which has the effect of improving processing accuracy and quality due to the stability of the workpiece.
第1図は本考案を備えたプレス型の断面図、第
2図は本考案の斜視図、第3図は従来のプレス型
の断面図である。
1……下型、2……案内カム、3……加工カ
ム、4……上型、5……ドライバー、6,7……
曲刃、10……シヤフト、12……作動アーム、
13……バツクアツプ受けブロツク、16……バ
ツクアツプローラ。
FIG. 1 is a sectional view of a press die equipped with the present invention, FIG. 2 is a perspective view of the present invention, and FIG. 3 is a sectional view of a conventional press die. 1...Lower die, 2...Guide cam, 3...Processing cam, 4...Upper die, 5...Driver, 6, 7...
Curved blade, 10...shaft, 12...operating arm,
13... Backup receiving block, 16... Backup propeller.
Claims (1)
ムと、この案内カム上に相対移動可能に設置した
加工カムとからなり、昇降動する上型に設けられ
たドライバーの楔合によつて前記案内カムと加工
カムとを相対移動させ、案内カムと加工カムとの
対向面に設けられている曲刃を互いに接近してワ
ーク端縁を曲げ加工するプレス型において、前記
加工カムの曲刃が設けられている側の端面にシヤ
フトを加工カムの移動軸線方向に案内カムを貫通
して固設し、前記案内カムの曲刃を備えている部
位の背面と対抗する部位の下型にバツクアツプ受
けブロツクと、前記シヤフトの進退移動によつて
旋回する作動アームとを設け、この作動アームに
プレス下死点時に前記案内カムの曲刃部位の背面
とバツクアツプ受けブロツクとの間に介入し、上
死点時には退避位置に旋回動するバツクアツプロ
ーラを設けたことを特徴とするプレス型案内カム
のバツクアツプ装置。 It consists of a guide cam installed movably in the horizontal direction on the lower mold, and a processing cam installed relatively movably on the guide cam. In a press die in which a guide cam and a processing cam are moved relative to each other and curved blades provided on opposing surfaces of the guide cam and processing cam approach each other to bend an edge of a workpiece, the curved blade of the processing cam is A shaft is fixedly installed on the end face of the provided side by penetrating the guide cam in the direction of the moving axis of the processing cam, and a back-up receiver is attached to the lower die of the part opposite to the back surface of the part provided with the curved blade of the guide cam. A block and an operating arm that rotates as the shaft moves forward and backward are provided, and the operating arm intervenes between the back surface of the curved blade portion of the guide cam and the back-up receiving block when the press is at the bottom dead center, and the press is at the top dead center. A backup device for a press-type guide cam, characterized in that it is provided with a backup roller that pivots to a retracted position when a press-type guide cam is activated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7728187U JPH0415373Y2 (en) | 1987-05-25 | 1987-05-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7728187U JPH0415373Y2 (en) | 1987-05-25 | 1987-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63189415U JPS63189415U (en) | 1988-12-06 |
JPH0415373Y2 true JPH0415373Y2 (en) | 1992-04-07 |
Family
ID=30925138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7728187U Expired JPH0415373Y2 (en) | 1987-05-25 | 1987-05-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0415373Y2 (en) |
-
1987
- 1987-05-25 JP JP7728187U patent/JPH0415373Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63189415U (en) | 1988-12-06 |
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