EP0266625B1 - Support d'outil supérieur pour un poinçon ou un élément similaire - Google Patents
Support d'outil supérieur pour un poinçon ou un élément similaire Download PDFInfo
- Publication number
- EP0266625B1 EP0266625B1 EP87115368A EP87115368A EP0266625B1 EP 0266625 B1 EP0266625 B1 EP 0266625B1 EP 87115368 A EP87115368 A EP 87115368A EP 87115368 A EP87115368 A EP 87115368A EP 0266625 B1 EP0266625 B1 EP 0266625B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- punching
- punch
- force
- lifting lever
- 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
- 238000004080 punching Methods 0.000 claims description 55
- 230000005540 biological transmission Effects 0.000 description 32
- 239000013641 positive control Substances 0.000 description 5
- 239000000969 carrier Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
Definitions
- the invention relates to an upper tool carrier for a punch or the like. According to the preamble of claim 1.
- a quick change of a punching tool and / or all of the punching tools is possible in that a mounting plate It is part of the carrier body and the tool guides are open towards the end face of the carrier body, so that the upper ends of the punching tools can be inserted or inserted essentially horizontally into the tool guides.
- a sealing cap closes all tool guides at the open ends together.
- the ends of the punching tools are provided with hammer-head-like extensions and the mounting plate and the closure cap are provided with support flanges corresponding to the hammer-head-like extensions, so that the punching tools cannot slide down out of the tool guides.
- the closure cap is pivotally articulated on the carrier body or on the receiving plate via a pivot axis and by means of a locking device, which is arranged on the opposite transverse side, with the carrier body or the receiving plate lockable.
- the locking device consists of a locking bolt pivotally articulated on the mounting plate in the horizontal plane and a locking receptacle provided on the locking cap, which is open on one side, wherein the locking bolt can be pivoted into the locking receptacle and clamped by means of a clamping nut.
- receiving spaces for the upper ends of the punching tools are provided on the carrier body above the tool guides and below a force transmission surface, and these receiving spaces can be bridged by means of force transmission slides which can be displaced essentially perpendicular to the punching direction.
- Each punch is assigned a lifting lever arranged on the carrier body, one end of which laterally grips the upper end of the associated punch from below, so that the upper end of the punch can be lifted into the receiving space by means of the lifting lever when the power transmission slide is retracted.
- pneumatic drives or the like which are not to be explained in detail are provided.
- the punching tool is lifted into the receiving space when the power transmission slide is pulled back, by positive control of the lifting lever.
- the lifting lever is designed as a two-armed lever and is pivotably articulated on the carrier body via a pivot axis below the power transmission slide.
- the arm of the lifting lever pointing away from the receiving space is provided with a lifting control surface which interacts with the side of the power transmission slide facing away from the receiving space. If the power transmission slide is withdrawn from the receiving space, the side of the power transmission slide facing away from the receiving space slides on the lifting control surface of the lifting lever and presses this arm of the lifting lever downward.
- the other, opposite arm of the lifting lever is raised accordingly and with it the upper end of the punch and thus the punch as a whole is lifted.
- the side of the power transmission slide facing away from the receiving space ultimately passes over the arm of the lifting lever, the end position of the upper end of the punch being defined in the receiving space by the underside of the power transfer slide.
- the rear arm of the lifting lever is released again. Under the dead weight of the punching tool, it sinks down from the receiving space and takes the upper end of the arm of the lifting lever that comes into contact with it down.
- the invention is based on the object of designing and developing the known upper tool carrier in such a way that jams between the punching tool and the power transmission slide are systematically avoided.
- the upper tool carrier according to the invention in which the above-mentioned object is achieved, is described by the features contained in the characterizing part of claim 1.
- the punching tool when the power transmission slide is advanced, the punching tool is not only passive, under the action of its own gravity, but can also be actively lowered with the aid of the lifting lever, in the sense of positive control.
- the basic principle of positive control for lifting the punch by means of the lifting lever can also be used for lowering the punch. For the rest, there are of course various design options for such positive control.
- FIG. 1 shows, as a special, preferred exemplary embodiment of the invention, a machine tool in the form of a punch with a C-shaped machine body 1, only indicated, a lower tool carrier 2 formed or arranged on the machine body 1 with a lower tool 3 and one on the machine body 1
- Upper tool carrier 4 arranged or executed above with an upper tool, here a punching tool 5. It is only indicated that on the upper tool carrier 4 or on the machine body 1 above the upper tool carrier 4 a drive head 6, for example in the form of a hydraulic cylinder piston Arrangement, sits, with the help of which the punch 5 can be lowered to the lower tool 3 during operation.
- each punch 5 consists of a punch 7, a punch holder 8 and one Punching die 7 with union nut 9 connecting the punch holder 8.
- the three punching tools 5, as shown in FIG. 2, are arranged as close as possible to one another.
- Fig. 1 shows that the upper tool carrier 4 in the embodiment shown here initially has a carrier body 10 and a receiving plate 11. 3 makes it clear that tool guides 12 which are arranged next to one another and extend in the punching direction are provided for each punch 5 in the receiving plate 11. 1, 2 and 3 make it clear in connection with this that the upper tool carrier 4 has a closure cap 14 fastened to the carrier body 10, in particular and in the exemplary embodiment shown here pivotable about a pivot axis 13 on the carrier body 10. 1 and 2 finally show in connection that the upper ends of the punch 5 in the tool guides 12, limited in one direction by support flanges 15, are guided in the punching direction, here vertically.
- the support flanges 15 can be clearly seen in FIG. 3. They serve to prevent the punching tools 5 from falling out of the tool guides 12 downwards.
- receiving spaces 17 for the upper ends of the punching tools 5 are provided on the carrier body 10 above the tool guides 12 and below a force transmission surface 16.
- the receiving spaces 17 are by means of power transmission slides which can be displaced essentially perpendicular to the punching direction 18 or the like. Can be bridged with the aid of actuators 19 designed here as pneumatic cylinder-piston units.
- the force transmission surface 16 is arranged on the underside of the drive head 6. This technique ensures that only the punch 5 is actively moved downward during the downward stroke of the power transmission surface 16, the power transmission slide 18 bridging the associated receiving space 17, while the other two punching tools 5 can move back into the respectively assigned receiving space 17.
- the lifting lever 20 is designed as a two-armed lever which extends around a pivot axis 21 on the carrier body 10 in a vertical direction, the punching direction enclosing plane is pivotable.
- An arm 22 has a stroke control surface 23 which interacts with the side 24 of the power transmission slide 18 facing away from the receiving space 17. It is like the state of the art. When the power transmission slide 18 is withdrawn from the receiving space 17, the side 24 facing away presses the arm 22 downward via the stroke control surface 23 and finally runs over it (FIG. 5). As a result, the second arm 25 of the lifting lever 20 is raised and thus actively lifts the upper end of the punch 5 into the receiving space 17.
- the punching tool 5 is shown here in dashed lines in FIG. 5.
- a forced control is also implemented here for lowering the punch 5, namely by means of the lifting lever 20, the upper one
- the end of the punch 5 can be actively lowered when the power transmission slide 18 is advanced from the receiving space 17. Every collision of the punch 5 with the power transmission slide 18 is thus systematically avoided.
- the result explained above is achieved constructively in that the lifting lever 20 has a lowering control surface 27 which interacts with the side 26 of the power transmission slide 18 facing the receiving space 17 and the side 26 of the power transmission slide 18 facing the receiving space 17 on the Lowering control surface 27 of the lifting lever 20 comes to rest before the side 26 comes into contact with the upper end of the punching tool 5.
- the structural design, in particular the inclination of the side 26 and the lowering control surface 27, is selected such that the lowering control surface 27 is run over by the side 26 of the power transmission slide 18 facing the receiving space 17 when the power transmission slide 18 is advanced.
- the underside of the power transmission slide 18 thus also defines the lowering position of the punch 7.
- the lowering control surface 27 requires a specific position relative to the side 26 of the power transmission slide 18.
- the upper end of the punching tool 5 includes an end the lowering control surface 27 carrying control projection 28 projecting into the feed path of the power transmission slide 18 is formed.
- the lifting lever 20 has a control head 29 and which encloses the upper end of the punching tool 5 on the punch 5 below the upper end has a pressure control surface 30 and that the control head 29 comes to bear on the pressure control surface 30 in a force-transmitting manner.
- the punch 5 has a recess 31 which is open laterally below the upper end and in which a stroke control surface 32 and the pressure control surface 30 for the control head 29 are formed. Otherwise, as can be clearly seen here, the control head 29 is rounded off to reduce wear. Finally, it can be clearly seen that the recess 31 has an inlet channel 33 for the control projection 28 on the lifting lever 20. This is necessary in the exemplary embodiment shown here because the plate forming the upper end of the punch 5 is relatively thick and therefore the control projection 28 cannot pivot into the recess 31 below this plate.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Punching Or Piercing (AREA)
- Jigs For Machine Tools (AREA)
- Passenger Equipment (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Claims (8)
- Traverse porte-outils supérieure pour presse à estamper ou analogues comprenant au moins un outil d'estampage, de préférence plusieurs outils d'estampage agencés l'un à côté de l'autre, chaque outil d'estampage étant de préférence constitué d'un poinçon, d'un porte-poinçon et d'un écrou d'accouplement reliant le poinçon au porte-poinçon, un corps de traverse, une plaque réceptrice et une glissière de guidage d'outil agencée dans la plaque réceptrice et s'étendant dans la direction de l'estampage pour chaque outil d'estampage, l'extrémité supérieure de l'outil d'estampage pouvant se déplacer dans la glissière prévue à cet effet dans une direction limitée par des flasques d'appui dans la direction de l'estampage, un espace récepteur pour l'extrémité supérieure de l'outil d'estampage étant prévu sur le corps de traverse au-dessus de la glissière de l'outil et au-dessous d'une surface de transmission et l'espace récepteur pouvant être ponté à l'aide d'une coulisse de transmission ou analogue susceptible d'être déplacée dans l'ensemble perpendiculairement à la direction de l'estampage, un levier de levage agencé sur le corps de traverse étant affecté à l'outil d'estampage, lequel levier de levage s'engage latéralement par dessous l'extrémité supérieure de l'outil d'estampage associé, et enfin l'extrémité supérieure de l'outil d'estampage pouvant être relevée de manière active dans l'espace récepteur grâce au levier de levage lorsque la coulisse de transmission est retirée, cette traverse d'outil supérieure étant caractérisée en ce que, par l'entremise du levier de levage (20), l'extrémité supérieure de l'outil d'estampage (5) peut être abaissée de manière active par une commande forcée hors de l'espace récepteur (17) lors de l'avancée de la coulisse de transmission (18) et en ce qu'ainsi une collision de l'extrémité supérieure de l'outil d'estampage (5) avec la coulisse de transmission (18) est exclue.
- Traverse porte-outils selon la revendication 1, caractérisée en ce que le levier de levage (20) présente une surface de commande d'abaissement (27) interagissant avec le côté (26) de la coulisse de transmission (18) tournée vers l'espace récepteur (17) et en ce que le côté (26) de la coulisse de transmission (18) tourné vers l'espace récepteur (17) s'appuie sur la surface de commande d'abaissement (27) du levier de levage (20) de manière à amorcer un mouvement descendant avant que le côté (26) ne vienne en contact avec l'extrémité supérieure de l'outil d'estampage (5).
- Traverse porte-outils selon la revendication 2, caractérisée en ce que la surface de commande d'abaissement (27) est dépassée par le côté (26) tournée vers l'espace récepteur (17) lors de l'avancée de la coulisse de transmission (18).
- Traverse porte-outils selon la revendication 2 ou 3, caractérisée en ce qu'un ressaut de commande (28) portant la commande d'abaissement (27) et faisant saillie dans la course d'avancée de la coulisse de transmission de force (18) est aménagée sur le levier de levage (20), sur le côté (26) de l'extrémité qui s'engage en dessous de l'extrémité supérieure de l'outil d'estampage (5) tourné vers la coulisse de transmission (18).
- Traverse porte-outils selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le levier de levage (20) présente une tête de commande (29) s'engageant en dessous de l'extrémité supérieure de l'outil d'estampage (5) et une surface de commande (30) sur l'outil d'estampage (5) en dessous de l'extrémité supérieure et en ce que la tête de commande (29) vient s'appuyer sur la surface de commande de pression (30) lors de l'abaissement dans une liaison de transmission de force.
- Traverse porte-outils selon la revendication 5, caractérisée en ce que l'outil d'estampage (5) présente un évidement (31) ouvert latéralement en dessous de l'extrémité supérieure et, dans l'évidement (31), sont ménagées d'une part une surface de commande de levage (32), d'autre part la surface de commande de pression (30) pour la tête de commande (29).
- Traverse porte-outils selon l'une ou l'autre des revendications 5 et 6, caractérisée en ce que la tête de commande (29) est arrondie pour réduire l'usure.
- Traverse porte-outils selon la revendication 6 et éventuellement selon la revendication 7, caractérisée en ce que l'évidement (31) présente un canal d'entrée (33) pour le ressaut de commande (28).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87115368T ATE72526T1 (de) | 1986-11-04 | 1987-10-21 | Oberer werkzeugtraeger fuer eine stanze od. dgl. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3637486 | 1986-11-04 | ||
DE3637486A DE3637486C1 (de) | 1986-11-04 | 1986-11-04 | Oberer Werkzeugtraeger fuer eine Stanze od.dgl. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0266625A2 EP0266625A2 (fr) | 1988-05-11 |
EP0266625A3 EP0266625A3 (en) | 1990-01-10 |
EP0266625B1 true EP0266625B1 (fr) | 1992-02-12 |
Family
ID=6313103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87115368A Expired - Lifetime EP0266625B1 (fr) | 1986-11-04 | 1987-10-21 | Support d'outil supérieur pour un poinçon ou un élément similaire |
Country Status (10)
Country | Link |
---|---|
US (2) | US4836009A (fr) |
EP (1) | EP0266625B1 (fr) |
JP (1) | JPS63123541A (fr) |
AT (1) | ATE72526T1 (fr) |
BR (1) | BR8705863A (fr) |
CA (1) | CA1302868C (fr) |
DE (2) | DE3637486C1 (fr) |
ES (1) | ES2029469T3 (fr) |
GR (1) | GR3004034T3 (fr) |
MX (1) | MX161210A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103433387A (zh) * | 2013-08-28 | 2013-12-11 | 东风柳州汽车有限公司 | 冲压翻孔装置 |
CN106391854A (zh) * | 2016-10-28 | 2017-02-15 | 安徽鲲鹏装备模具制造有限公司 | 一种折弯机的模条安装机构 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9174259B2 (en) | 2011-01-19 | 2015-11-03 | Ford Global Technologies, Llc | Method and apparatus for sharp flanging and trimming sheet metal panels |
CN104438860B (zh) * | 2014-12-24 | 2016-03-02 | 安徽江淮汽车股份有限公司 | 冲压模具的冲压件托料装置及冲压模具 |
CN105499387A (zh) * | 2015-12-19 | 2016-04-20 | 浙江黄岩冲模有限公司 | 跷跷板式上翻边冲压模具及其冲压方法 |
CN107866487A (zh) * | 2017-10-10 | 2018-04-03 | 合肥常青机械股份有限公司 | 一种向上翻边翘翘板式运动机构 |
CN113211080A (zh) * | 2021-05-14 | 2021-08-06 | 武鑫鑫 | 一种饮水机加工用卡扣折弯工装 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD40344A (fr) * | ||||
DE1004891B (de) * | 1952-07-02 | 1957-03-21 | Alois Jarma Dipl Ing | Schnellwechseleinrichtung fuer Werkzeuge in Maschinen mit auf und ab gehendem Druckstoessel |
DE1552618A1 (de) * | 1966-04-14 | 1970-04-09 | Peter Heck | Vorrichtung zum Lochen von flaechenhaften Werkstuecken |
IT944297B (it) * | 1971-01-02 | 1973-04-20 | Schloemann Ag | Pressa a estrusione con testa girevole porta utensile trasla bile assialmente |
SE423196B (sv) * | 1977-06-21 | 1982-04-26 | Pullmax Ab | Anordning for verktygsvexling vid stansmaskiner |
SU854515A1 (ru) * | 1978-03-27 | 1981-08-18 | Азовское специальное конструкторское бюро кузнечно-прессового оборудования и автоматических линий | Устройство дл креплени пуансонов дл пробивки отверстий |
CH627965A5 (en) * | 1978-05-03 | 1982-02-15 | Standard Telephon & Radio Ag | Punching machine |
DE2940661A1 (de) * | 1979-10-06 | 1981-04-09 | Fa. Muhr und Bender, 5952 Attendorn | Werkzeugmaschine |
DE3440093A1 (de) * | 1984-11-02 | 1986-05-07 | Fa. Muhr und Bender, 5952 Attendorn | Werkzeugmaschine, insbesondere stanze |
-
1986
- 1986-11-04 DE DE3637486A patent/DE3637486C1/de not_active Expired
-
1987
- 1987-10-21 ES ES198787115368T patent/ES2029469T3/es not_active Expired - Lifetime
- 1987-10-21 AT AT87115368T patent/ATE72526T1/de not_active IP Right Cessation
- 1987-10-21 DE DE8787115368T patent/DE3776684D1/de not_active Expired - Fee Related
- 1987-10-21 EP EP87115368A patent/EP0266625B1/fr not_active Expired - Lifetime
- 1987-10-22 US US07/111,723 patent/US4836009A/en not_active Expired - Fee Related
- 1987-10-22 US US07/111,722 patent/US4827758A/en not_active Expired - Fee Related
- 1987-10-30 JP JP62273659A patent/JPS63123541A/ja active Granted
- 1987-11-03 BR BR8705863A patent/BR8705863A/pt unknown
- 1987-11-03 CA CA000550944A patent/CA1302868C/fr not_active Expired - Lifetime
- 1987-11-04 MX MX9134A patent/MX161210A/es unknown
-
1992
- 1992-03-11 GR GR920400427T patent/GR3004034T3/el unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103433387A (zh) * | 2013-08-28 | 2013-12-11 | 东风柳州汽车有限公司 | 冲压翻孔装置 |
CN106391854A (zh) * | 2016-10-28 | 2017-02-15 | 安徽鲲鹏装备模具制造有限公司 | 一种折弯机的模条安装机构 |
CN106391854B (zh) * | 2016-10-28 | 2017-11-07 | 安徽鲲鹏装备模具制造有限公司 | 一种折弯机的模条安装机构 |
Also Published As
Publication number | Publication date |
---|---|
CA1302868C (fr) | 1992-06-09 |
US4836009A (en) | 1989-06-06 |
JPH0474097B2 (fr) | 1992-11-25 |
BR8705863A (pt) | 1988-06-14 |
US4827758A (en) | 1989-05-09 |
DE3637486C1 (de) | 1988-03-31 |
MX161210A (es) | 1990-08-20 |
ES2029469T3 (es) | 1992-08-16 |
EP0266625A2 (fr) | 1988-05-11 |
ATE72526T1 (de) | 1992-02-15 |
DE3776684D1 (de) | 1992-03-26 |
EP0266625A3 (en) | 1990-01-10 |
GR3004034T3 (fr) | 1993-03-31 |
JPS63123541A (ja) | 1988-05-27 |
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