JP2000117363A - Positioning device of work in press die - Google Patents
Positioning device of work in press dieInfo
- Publication number
- JP2000117363A JP2000117363A JP10297120A JP29712098A JP2000117363A JP 2000117363 A JP2000117363 A JP 2000117363A JP 10297120 A JP10297120 A JP 10297120A JP 29712098 A JP29712098 A JP 29712098A JP 2000117363 A JP2000117363 A JP 2000117363A
- Authority
- JP
- Japan
- Prior art keywords
- work
- die
- press
- workpiece
- lower 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/082—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、板状のワークを支
持する下型と、この下型に対して昇降してワークをプレ
ス加工する上型とを備えたプレス金型に関し、特に、そ
のプレス加工時にワークの位置ずれを防止するための位
置決め装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press die having a lower die for supporting a plate-shaped work, and an upper die for pressing the lower die to press the work. The present invention relates to a positioning device for preventing a workpiece from shifting during press working.
【０００２】[0002]
【従来の技術】図５は、自動車の外板パネルの端部を折
り曲げるヘミング加工を行うための従来のプレス金型Ｄ
を示すものである。プレス金型Ｄは床面に配置された下
型ＤLと、その上方に配置されて図示せぬ駆動源で下型
ＤL に対して昇降駆動される上型ＤU とを備える。下型
ＤL は移動不能に固定された固定ホルダ１と、ウエアプ
レート２を介してスライド自在に支持されてシリンダ３
によって前記固定ホルダ１に対して接近・離間可能な可
動ホルダ４とを備えており、これら両ホルダ１，４の上
面にワークＷを支持するワーク支持面１1 ，４1 が形成
される。可動ホルダ４のワーク支持面４1 の端部にはダ
イ５が固定されており、予め曲げ加工されたワークＷの
フランジＦが前記ダイ５に臨んでいる。2. Description of the Related Art FIG. 5 shows a conventional press die D for performing a hemming process for bending an end portion of an outer panel of an automobile.
It shows. Press tool D includes a lower die D L placed on the floor, an upper die D U which is driven to be raised or lowered relative to the lower die D L by a driving source (not shown) disposed thereabove. The lower mold D L is slidably supported via a fixed holder 1 immovably fixed through a wear plate 2 and a cylinder 3
And a movable holder 4 that can approach and separate from the fixed holder 1. Work support surfaces 1 1 , 4 1 that support the work W are formed on the upper surfaces of the holders 1 , 4. An end of the workpiece support surface 4 1 of the movable holder 4 and the die 5 is fixed, the flange F of the pre-bent machined workpiece W faces to the die 5.
【０００３】可動ホルダ４の上面にウエアプレート６を
介してカムスライド７がスライド自在に支持されてお
り、このカムスライド７から水平に延びるガイドロッド
８が可動ホルダ４の上面に固定したヒールブラケット９
を摺動自在に貫通する。ヒールブラケット９を貫通した
ガイドロッド８の先端と該ヒールブラケット９との間に
縮設したリターンスプリング１０により、カムスライド
７はダイ５から離間する方向に付勢される。カムスライ
ド７には、前記ダイ５と協働してワークＷのフランジＦ
を折り曲げるパンチ１１が設けられる。[0003] A cam slide 7 is slidably supported on the upper surface of the movable holder 4 via a wear plate 6, and a guide rod 8 extending horizontally from the cam slide 7 is fixed to the upper surface of the movable holder 4.
Is slidably penetrated. The cam slide 7 is urged in a direction away from the die 5 by a return spring 10 contracted between the tip of the guide rod 8 penetrating the heel bracket 9 and the heel bracket 9. The cam slide 7 has a flange F of the workpiece W in cooperation with the die 5.
Is provided.
【０００４】一方、下型ＤL の固定ホルダ１および可動
ホルダ４のワーク支持面１1 ，４1上に支持されたワー
クＷの上面を押圧して移動不能に固定すべく、上型ＤU
は上型ホルダ１２の下面にスプリング１３を介して支持
されたパッド１４を備える。更に上型ホルダ１２の下面
にはカムドライバー１５が固定されており、そこに傾斜
して設けられたウエアプレート１６が、カムスライド７
に傾斜して設けられたウエアプレート１７に当接可能に
対向する。パッド１４を上下方向に貫通するピン孔１４
1 にピン１８が摺動自在に嵌合して大径の頭部１８1 に
より係止されており、このピン１８の下端はワーク支持
面１1 ，４1 上に支持されたワークＷの端部近傍の上面
に臨んでいる。On the other hand, in order to immovably fixed by pressing the upper surface of the supported workpiece W on the workpiece supporting surface 1 1, 4 1 of the lower mold D L fixing holder 1 and the movable holder 4, the upper mold D U
Has a pad 14 supported on the lower surface of the upper die holder 12 via a spring 13. Further, a cam driver 15 is fixed to the lower surface of the upper die holder 12, and a wear plate 16 provided on the cam driver 15 is provided on the cam slide 7.
The wear plate 17 is provided so as to be in contact with the wear plate 17 provided at an angle. Pin hole 14 penetrating pad 14 in the vertical direction
A pin 18 is slidably fitted to 1 and is locked by a large-diameter head 18 1. The lower end of the pin 18 is the end of the work W supported on the work support surfaces 1 1 , 4 1. It faces the upper surface near the part.
【０００５】而して、上型ＤU を上昇させて下型ＤL か
ら離間させた状態で、図示せぬローダでワークＷを下型
ＤL のワーク支持面１1 ，４1 上に載置した後に、上型
ＤUを下型ＤL に向けて下降させる。上型ＤU の下降に
伴って上型ホルダ１２に設けたカムドライバー１５のウ
エアプレート１６がカムスライド７に設けたウエアプレ
ート１７を押圧すると、カムスライド７がリターンスプ
リング１０に抗してワークＷに向けてスライドし、該カ
ムスライド７のパンチ１１と可動ホルダ４のダイ５との
間にワークＷのフランジＦを挟圧してヘミング加工す
る。[0005] In Thus, in a state in which to raise the upper mold D U was separated from the lower mold D L, workpiece support surface 1 1 of the lower mold D L the workpiece W by unillustrated loader 4 1 on the mounting after location, it is lowered toward the upper mold D U the lower die D L. When wear plate 16 of the cam driver 15 provided in the upper holder 12 with the lowering of the upper mold D U presses the wear plate 17 provided on the cam slide 7, the workpiece W and the cam slide 7 against the return spring 10 , And the flange F of the work W is pressed between the punch 11 of the cam slide 7 and the die 5 of the movable holder 4 to perform hemming.
【０００６】ヘミング加工の完了後に上型ＤU を上昇さ
せると、カムドライバー１５から離れたカムスライド７
はリターンスプリング１０の弾発力で元の位置に復帰す
る。そしてシリンダ３で可動ホルダ４を固定ホルダ１に
向けて前進させると、可動ホルダ４のダイ５がワークＷ
から離脱して製品の取り出しが可能になる。When the upper die DU is raised after the hemming process is completed, the cam slide 7 separated from the cam driver 15 is moved.
Is returned to the original position by the elastic force of the return spring 10. When the movable holder 4 is advanced toward the fixed holder 1 by the cylinder 3, the die 5 of the movable holder 4
And the product can be taken out.
【０００７】ところで、ワークＷには若干の反りが存在
するため、ワーク支持面１1 ，４1上に支持したワーク
Ｗの端部が該ワーク支持面１1 ，４1 から僅かに浮き上
がることがある。このような場合、パッド１４がワーク
Ｗの上面を押圧してワーク支持面１1 ，４1 に密着させ
るのであるが、サイクルタイムを短くするために上型Ｄ
U の下降速度を速くすると、浮き上がったワークＷをパ
ッド１４が押さえ付ける衝撃でワークＷが位置ずれして
しまい、加工不良が発生することがある。By the way, since the workpiece W there is some warping, that the ends of the workpiece W that is supported on the workpiece support surface 1 1, 4 1 floats slightly from the workpiece support surface 1 1, 4 1 is there. In such a case, the pad 14 is in intimate contact with and presses the upper surface of the workpiece W to the workpiece support surface 1 1, 4 1, the upper die D in order to shorten the cycle time
If the descending speed of U is increased, the work W is displaced due to the impact of the pad 14 pressing the lifted work W, and a processing defect may occur.
【０００８】そこで上述した従来の金型Ｄでは、上型Ｄ
U の下降に伴ってパッド１４がワークＷの上面に当接す
る前に、パッド１４に上下摺動自在に支持したピン１８
の下端をワークＷに当接させ、そのピン１８の自重でワ
ークＷの端部を下方に押圧してワーク支持面１1 ，４1
からの浮き上がりを防止していた。Therefore, in the conventional mold D described above, the upper mold D
Before the pad 14 comes into contact with the upper surface of the work W with the lowering of the U , the pin 18 slidably supported on the pad 14 up and down.
The lower end of the work W is brought into contact with the work W, and the end of the work W is pressed downward by the weight of the pin 18 so that the work support surfaces 1 1 , 4 1
Was prevented from rising.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら上記従来
のものは、ピン１８の下端がワークＷの上面に直接接触
するため、ピン１８の重量や先端形状を微妙に設定しな
いとワークＷを傷付ける虞があった。However, in the prior art, since the lower end of the pin 18 directly contacts the upper surface of the work W, the work W may be damaged unless the weight and tip shape of the pin 18 are set delicately. there were.
【００１０】本発明は前述の事情に鑑みてなされたもの
で、金型によるプレス加工時にワークの端部が金型のワ
ーク支持面から浮き上がるのを、ワークを傷付けること
なく確実に防止することを目的とする。The present invention has been made in view of the above circumstances, and it is an object of the present invention to reliably prevent the end of a work from rising from a work support surface of the mold during press working with the mold without damaging the work. Aim.
【００１１】[0011]
【課題を解決するための手段】上記目的を達成するため
に、請求項１に記載された発明は、板状のワークを支持
するワーク支持面を有する下型と、この下型に対して昇
降してワークをプレス加工する上型とを備えたプレス金
型において、下型に設けた凹部内に配置されてワークの
端部近傍の下面に対向する吸着部材を負圧発生源に接続
してなり、プレス加工時に吸着部材でワークを吸着して
下型のワーク支持面に密着させることを特徴とする。Means for Solving the Problems In order to achieve the above object, an invention according to claim 1 comprises a lower die having a work supporting surface for supporting a plate-like work, and a lower die having a lower and a higher position. A press die having an upper die for press-working a work, and a suction member arranged in a recess provided in the lower die and facing a lower surface near an end of the work connected to a negative pressure generating source. That is, at the time of press working, the work is suctioned by the suction member and is brought into close contact with the work support surface of the lower die.
【００１２】上記構成によれば、下型のワーク支持面に
支持されたワークと該下型との間に隙間が存在しても、
下型に設けた凹部内に配置された吸着部材でワークの端
部近傍の下面を吸着することにより、ワークを下型のワ
ーク支持面に密着させて加工不良の発生を防止すること
ができる。しかも吸着部材はワークを押圧することなく
吸着するだけなので、ワークを傷付ける虞がない。According to the above configuration, even if there is a gap between the work supported on the work support surface of the lower mold and the lower mold,
By adsorbing the lower surface near the end of the work with the adsorbing member disposed in the concave portion provided in the lower mold, the work can be brought into close contact with the work supporting surface of the lower mold to prevent the occurrence of processing defects. Moreover, since the suction member only sucks the work without pressing it, there is no possibility of damaging the work.
【００１３】また請求項２に記載された発明は、請求項
１の構成に加えて、吸着部材を位置調整可能に下型に支
持したことを特徴とする。According to a second aspect of the present invention, in addition to the configuration of the first aspect, the suction member is supported on the lower mold so that the position of the suction member can be adjusted.
【００１４】上記構成によれば、下型に対する吸着部材
の位置を調整してワークを下型に確実に密着させること
ができる。According to the above configuration, the position of the suction member with respect to the lower mold can be adjusted so that the work can be securely brought into close contact with the lower mold.
【００１５】[0015]
【発明の実施の形態】以下、本発明の実施の形態を、添
付図面に示した本発明の実施例に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on embodiments of the present invention shown in the accompanying drawings.
【００１６】図１〜図４は本発明の一実施例を示すもの
で、図１はプレス金型の全体側面図、図２は吸着手段の
拡大斜視図、図３は負圧発生手段の拡大断面図、図４は
作用の説明図である。1 to 4 show an embodiment of the present invention. FIG. 1 is an overall side view of a press die, FIG. 2 is an enlarged perspective view of a suction means, and FIG. 3 is an enlarged view of a negative pressure generating means. FIG. 4 is a sectional view and FIG.
【００１７】先ず、図１に基づいて本実施例のプレス金
型Ｄの全体構造を説明する。尚、本実施例において、図
５で説明した従来例に対応する部材には同一の符号が付
してある。First, the overall structure of the press die D of this embodiment will be described with reference to FIG. In this embodiment, members corresponding to those in the conventional example described with reference to FIG.
【００１８】本実施例はワーク支持面１1 ，４1 に支持
したワークＷの端部の浮き上がりを抑えるための構成
が、前記従来例と異なっている。すなわち、本実施例は
従来例のピン１８を備えておらず、その代わりに下型Ｄ
L の可動ホルダ４に形成された凹部２１内に、ワークＷ
の下面を負圧により吸着する吸着手段２２が配置され
る。[0018] This example configuration for suppressing the floating of the end of the workpiece W that is supported on the workpiece support surface 1 1, 4 1 is different from the above conventional example. That is, the present embodiment does not include the pin 18 of the conventional example, but
In the concave portion 21 formed in the L movable holder 4, the work W
A suction means 22 for suctioning the lower surface of the device by a negative pressure is disposed.
【００１９】図２を併せて参照すると明らかなように、
吸着手段２２は前記凹部２１に臨む可動ホルダ４の壁面
に固定されたブラケット２３と、ブラケット２３に固定
されて水平方向に延びる第１アーム２４と、第１アーム
２４に連結部材２５を介して連結されて鉛直方向に延び
る第２アーム２６と、第２アーム２６に連結部材２７を
介して連結されて前記第１アーム２４と直交する水平方
向に延びる第３アーム２８と、第３アーム２８の先端に
固定された筒状部材２９と、筒状部材２９の上端に設け
られた弾性材よりなる吸着部材としての吸盤３０とを備
える。Referring to FIG. 2 together, it is apparent that
The suction means 22 is connected to the bracket 23 fixed to the wall surface of the movable holder 4 facing the recess 21, the first arm 24 fixed to the bracket 23 and extending in the horizontal direction, and connected to the first arm 24 via a connecting member 25. A second arm 26 extending in the vertical direction, a third arm 28 connected to the second arm 26 via a connecting member 27 and extending in a horizontal direction orthogonal to the first arm 24, and a tip of the third arm 28 And a suction cup 30 as an adsorption member made of an elastic material provided at an upper end of the cylindrical member 29.
【００２０】各々の連結部材２５，２７は、外周の一部
が開放した一対の短い筒状の保持部材３６，３６を、そ
れらの軸線の角度を９０°ずらして背中合わせに溶接し
たもので、内部に前記第１〜第３アーム２４，２６，２
８を挿通してボルト３７，３７で締め付けて固定するよ
うになっている。従って、第１アーム２４に対する第２
アーム２６の相対位置および相対角度を調整し、更に第
２アーム２６に対する第３アーム２８の相対位置および
相対角度を調整することにより、吸盤３０の位置および
角度を任意に変化させてワーク支持面１1 ，４1 の位置
および角度に一致させることができる。Each of the connecting members 25 and 27 is formed by welding a pair of short cylindrical holding members 36 and 36 having a part of their outer periphery open, back-to-back with their axes shifted by 90 °. The first and third arms 24, 26, 2
8 is inserted and tightened with bolts 37, 37 to be fixed. Therefore, the second arm with respect to the first arm 24
By adjusting the relative position and the relative angle of the arm 26, and further adjusting the relative position and the relative angle of the third arm 28 with respect to the second arm 26, the position and the angle of the suction cup 30 can be arbitrarily changed, and the work supporting surface 1 can be changed. 1, 4 can be matched to the position and angle of 1.
【００２１】図３を併せて参照すると明らかなように、
前記筒状部材２９の下端から延びるエアーホース３１
は、可動ホルダ４の側面に設けられた負圧発生手段３２
に接続される。負圧発生手段３２は、高圧エアー源３４
に接続された有底円筒状のダクト３３と、一端が前記筒
状部材２９にエアーホース３１を介して接続されて他端
がダクト３３内に延びる負圧パイプ３５とから構成され
ており、前記負圧パイプ３５の他端はダクト３３の軸線
上に配置されて該ダクト３３の開口端に向けて開口して
いる。而して、高圧エアー源３４から供給される高圧エ
アーをダクト３３から噴出させることにより、負圧パイ
プ３５の内部に負圧を発生させて吸盤３０に吸着力を発
生させることができる。このように、工場等で容易に利
用可能な高圧エアー源３４を利用することにより、負圧
ポンプ等の特別の負圧発生手段を設けることなく簡単に
負圧を発生させることができる。Referring to FIG. 3 together, it is apparent that
Air hose 31 extending from the lower end of tubular member 29
Are negative pressure generating means 32 provided on the side surface of the movable holder 4.
Connected to. The negative pressure generating means 32 includes a high-pressure air source 34.
And a negative pressure pipe 35 having one end connected to the cylindrical member 29 via the air hose 31 and the other end extending into the duct 33, The other end of the negative pressure pipe 35 is arranged on the axis of the duct 33 and opens toward the open end of the duct 33. By ejecting the high-pressure air supplied from the high-pressure air source 34 from the duct 33, a negative pressure can be generated inside the negative-pressure pipe 35, and the suction force can be generated in the suction cup 30. As described above, by using the high-pressure air source 34 that can be easily used in a factory or the like, a negative pressure can be easily generated without providing a special negative-pressure generating means such as a negative-pressure pump.
【００２２】次に、前述の構成を備えた本発明の実施例
の作用について説明する。Next, the operation of the embodiment of the present invention having the above configuration will be described.
【００２３】上型ＤU を上昇させて下型ＤL から離間さ
せると、高圧エアー源３４から負圧発生手段３２に高圧
エアーが供給されて吸盤３０に吸着力が発生する。この
状態で、図示せぬローダでワークＷを下型ＤL のワーク
支持面１1 ，４1 上に載置すると、ワークＷの端部近傍
の下面が吸盤３０に吸着されるため、ワークＷの形状に
若干の歪みがあってワーク支持面１1 ，４1 の形状と厳
密に一致していなくても、ワークＷの端部近傍の下面を
ワーク支持面１1 ，４1 に隙間なく密着させることがで
きる。[0023] is separated by raising the upper mold D U from the lower mold D L, high pressure air suction force is generated in the suction cup 30 is supplied to the high-pressure air source 34 from the negative pressure generating means 32. In this state, when the workpiece W is not shown loader is placed on the work support surface 1 1, 4 1 of the lower die D L, since the lower surface of the end portion of the workpiece W is attracted to the suction cup 30, the workpiece W even if no there is a slight distortion of the shape coincide workpiece support surface 1 1, 4 and exactly one shape, no gap in close contact with the lower surface of the end portion of the workpiece W to the workpiece support surface 1 1, 4 1 Can be done.
【００２４】この状態で上型ＤU を下型ＤL に向けて下
降させると、上型ホルダ１２に設けたカムドライバー１
５のウエアプレート１６がカムスライド７に設けたウエ
アプレート１７を押圧し、カムスライド７がリターンス
プリング１０に抗してワークＷに向けてスライドするこ
とにより、カムスライド７のパンチ１１と固定ホルダ１
のダイ５との間にワークＷのフランジＦが挟圧されてヘ
ミング加工が行われる（図４参照）。ヘミング加工が行
われるとき、上型ＤU のパッド１４がワークＷの上面を
押さえてワーク支持面１1 ，４1 上に固定し、ワークＷ
の位置ずれを防止する。そして上型ＤU の加工が完了す
ると、高圧エアー源３４から負圧発生手段３２への高圧
エアーの供給が停止して吸盤３０の吸着力が解除され
る。[0024] The upper mold D U is lowered toward the lower die D L in this state, the cam driver 1 provided in the upper holder 12
5 presses the wear plate 17 provided on the cam slide 7 and the cam slide 7 slides toward the work W against the return spring 10 so that the punch 11 of the cam slide 7 and the fixed holder 1 are moved.
Hemming is performed by pressing the flange F of the work W between the die 5 and the die 5 (see FIG. 4). When hemming working is carried out, the pad 14 of the upper mold D U is fixed pressing the upper surface of the workpiece W on the workpiece supporting surface 1 1, 4 1, the workpiece W
To prevent misalignment. When the machining of the upper mold D U is complete, the suction force of the suction cup 30 supply of high-pressure air is stopped from the high pressure air source 34 to the negative pressure generator 32 is released.
【００２５】このように、上型ＤU の下降時にパッド１
４がワークＷの上面に当接する前に、浮き上がりの発生
し易いワークＷの端部近傍の下面を予め吸盤３０で吸着
してワーク支持面１1 ，４1 に密着させるので、パッド
１４に押圧されたワークＷが位置ずれして加工不良が発
生するのを確実に防止することができる。しかも吸盤３
０は弾性材で構成されているため、その吸着時にワーク
Ｗを傷付ける虞もない。The pad 1 Thus, when lowering of the upper mold D U
Before the abutment 4 comes into contact with the upper surface of the work W, the lower surface in the vicinity of the end of the work W, which is likely to be lifted, is suctioned in advance by the suction cup 30 and brought into close contact with the work support surfaces 1 1 , 4 1. Thus, it is possible to reliably prevent the processed workpiece W from being displaced and causing a processing defect. And sucker 3
Since 0 is made of an elastic material, there is no possibility of damaging the work W at the time of its suction.
【００２６】ヘミング加工が完了して上型ＤU が上昇す
るとカムドライバー１５から離れたカムスライド７がリ
ターンスプリング１０の弾発力で元の位置に復帰するた
め、シリンダ３で可動ホルダ４を固定ホルダ１に向けて
前進させることにより、可動ホルダ４のダイ５をワーク
Ｗから離脱させて製品を取り出すことができる。[0026] Since the upper mold D U rises by hemming complete cam slide 7 away from the cam driver 15 is returned to the original position by the elastic force of the return spring 10, fixing the movable holder 4 in the cylinder 3 By advancing toward the holder 1, the die 5 of the movable holder 4 can be separated from the work W and the product can be taken out.
【００２７】以上、本発明の実施例を詳述したが、本発
明はその要旨を逸脱しない範囲で種々の設計変更を行う
ことが可能である。Although the embodiments of the present invention have been described in detail, various design changes can be made in the present invention without departing from the gist thereof.
【００２８】例えば、実施例ではヘミング加工用のプレ
ス金型Ｄを例示したが、本発明はヘミング加工用以外の
任意のプレス金型に対して適用することができる。また
実施例では負圧発生手段３２が高圧エアー源３４からの
高圧エアーで負圧を発生させているが、負圧ポンプ等を
用いて直接負圧を発生させるものであっても良い。また
吸着手段２２の数は１個に限定されず、その個数は任意
である。For example, in the embodiment, the press die D for hemming is illustrated, but the present invention can be applied to any press die other than for hemming. Further, in the embodiment, the negative pressure generating means 32 generates the negative pressure by the high-pressure air from the high-pressure air source 34, but may generate the negative pressure directly by using a negative pressure pump or the like. The number of the adsorption means 22 is not limited to one, and the number is arbitrary.
【００２９】[0029]
【発明の効果】以上のように請求項１に記載された発明
によれば、下型のワーク支持面に支持されたワークと該
下型との間に隙間が存在しても、下型に設けた凹部内に
配置された吸着部材でワークの端部近傍の下面を吸着す
ることにより、ワークを下型のワーク支持面に密着させ
て加工不良の発生を防止することができる。しかも吸着
部材はワークを押圧することなく吸着するだけなので、
ワークを傷付ける虞がない。As described above, according to the first aspect of the present invention, even if there is a gap between the work supported on the work supporting surface of the lower die and the lower die, the lower die can be used. By adsorbing the lower surface in the vicinity of the end of the work by the adsorbing member arranged in the provided recess, the work can be brought into close contact with the work support surface of the lower die, thereby preventing the occurrence of processing defects. Moreover, the suction member only sucks the workpiece without pressing it,
There is no risk of damaging the work.
【００３０】また請求項２に記載された発明によれば、
下型に対する吸着部材の位置を調整してワークを下型に
確実に密着させることができる。According to the second aspect of the present invention,
By adjusting the position of the suction member with respect to the lower mold, the work can be securely brought into close contact with the lower mold.
【図１】プレス金型の全体側面図FIG. 1 is an overall side view of a press die.
【図２】吸着手段の拡大斜視図FIG. 2 is an enlarged perspective view of a suction unit.
【図３】負圧発生手段の拡大断面図FIG. 3 is an enlarged sectional view of a negative pressure generating means.
【図４】作用の説明図FIG. 4 is an explanatory diagram of an operation.
【図５】従来のプレス金型の全体側面図FIG. 5 is an overall side view of a conventional press die.
２１ 凹部 ３０ 吸盤（吸着部材） ３２ 負圧発生手段 ＤL 下型 ＤU 上型 Ｗ ワーク21 concave portion 30 suction cup (adsorption member) 32 negative pressure generating means D L lower mold D U upper mold W Work
Claims (2)
持面（１1 ，４1 ）を有する下型（ＤL ）と、この下型
（ＤL ）に対して昇降してワーク（Ｗ）をプレス加工す
る上型（ＤU ）とを備えたプレス金型において、 下型（ＤL ）に設けた凹部（２１）内に配置されてワー
ク（Ｗ）の端部近傍の下面に対向する吸着部材（３０）
を負圧発生手段（３２）に接続してなり、プレス加工時
に吸着部材（３０）でワーク（Ｗ）を吸着して下型（Ｄ
L ）のワーク支持面（１1 ，４1 ）に密着させることを
特徴とする、プレス金型におけるワークの位置決め装
置。1. A workpiece support surface for supporting the plate-shaped workpiece (W) (1 1, 4 1) a lower die having a (D L), and elevation relative to the lower mold (D L) work ( A press die provided with an upper die (D U ) for press-working the work (W). The press die is disposed in a concave portion (21) provided in a lower die (D L ), and is disposed on a lower surface near an end of the work (W). Opposing suction member (30)
Is connected to a negative pressure generating means (32). The work (W) is sucked by the suction member (30) at the time of press working, and the lower mold (D) is
L), characterized in that is brought into close contact with the workpiece supporting surface (1 1, 4 1) of the positioning device of a work in the press die.
（ＤL ）に支持したことを特徴とする、請求項１に記載
のプレス金型におけるワークの位置決め装置。Wherein, characterized in that supported on the adsorption member (30) and adjustable in position the lower mold (D L), the positioning device of a work in a press die according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29712098A JP3676592B2 (en) | 1998-10-19 | 1998-10-19 | Work positioning device in press mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29712098A JP3676592B2 (en) | 1998-10-19 | 1998-10-19 | Work positioning device in press mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000117363A true JP2000117363A (en) | 2000-04-25 |
| JP3676592B2 JP3676592B2 (en) | 2005-07-27 |
Family
ID=17842483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29712098A Expired - Fee Related JP3676592B2 (en) | 1998-10-19 | 1998-10-19 | Work positioning device in press mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3676592B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008074778A1 (en) * | 2006-12-19 | 2008-06-26 | Gm Global Technology Operations, Inc. | Flanging bed, flanging device, and method for flanging workpieces |
| FR2986981A1 (en) * | 2012-02-22 | 2013-08-23 | Peugeot Citroen Automobiles Sa | Device for folding set of legs carried by end of sheet-shaped part e.g. stretcher, has unit that comprises bearing surfaces that allow bending of legs to one position upon movement of unit in one direction |
| DE102011080251B4 (en) * | 2010-08-26 | 2016-09-15 | Suzuki Motor Corp. | FORM PRESSURE AND METHOD FOR FORMPRESSING A WORKPIECE |
| CN106216470A (en) * | 2016-08-08 | 2016-12-14 | 浙江炜驰机械集团有限公司 | In a kind of part, hole flanging and straight flange turn over the one-shot forming apparatus of sharp edge |
| CN111438243A (en) * | 2019-12-10 | 2020-07-24 | 北京汽车集团越野车有限公司 | Horizontal flanging die mechanism |
-
1998
- 1998-10-19 JP JP29712098A patent/JP3676592B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008074778A1 (en) * | 2006-12-19 | 2008-06-26 | Gm Global Technology Operations, Inc. | Flanging bed, flanging device, and method for flanging workpieces |
| DE102011080251B4 (en) * | 2010-08-26 | 2016-09-15 | Suzuki Motor Corp. | FORM PRESSURE AND METHOD FOR FORMPRESSING A WORKPIECE |
| FR2986981A1 (en) * | 2012-02-22 | 2013-08-23 | Peugeot Citroen Automobiles Sa | Device for folding set of legs carried by end of sheet-shaped part e.g. stretcher, has unit that comprises bearing surfaces that allow bending of legs to one position upon movement of unit in one direction |
| CN106216470A (en) * | 2016-08-08 | 2016-12-14 | 浙江炜驰机械集团有限公司 | In a kind of part, hole flanging and straight flange turn over the one-shot forming apparatus of sharp edge |
| CN111438243A (en) * | 2019-12-10 | 2020-07-24 | 北京汽车集团越野车有限公司 | Horizontal flanging die mechanism |
| CN111438243B (en) * | 2019-12-10 | 2022-03-29 | 北京汽车集团越野车有限公司 | Horizontal flanging die mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3676592B2 (en) | 2005-07-27 |
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