ES2035888T3 - APPARATUS FOR SAUSING PLATES. - Google Patents
APPARATUS FOR SAUSING PLATES.Info
- Publication number
- ES2035888T3 ES2035888T3 ES198888110182T ES88110182T ES2035888T3 ES 2035888 T3 ES2035888 T3 ES 2035888T3 ES 198888110182 T ES198888110182 T ES 198888110182T ES 88110182 T ES88110182 T ES 88110182T ES 2035888 T3 ES2035888 T3 ES 2035888T3
- Authority
- ES
- Spain
- Prior art keywords
- stretch
- die
- short travel
- necessary
- punch
- 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
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/04—Blank holders; Mounting means therefor
- B21D24/08—Pneumatically or hydraulically loaded blank holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
EL PRESENTE INVENTO SE REFIERE A UN ESTIRADOR DE CHAPAS QUE CONSTA DE: A) UNA ESTRUCTURA DE SOPORTE FORMADA POR UN PORTAPUNZON Y POR UNA PIEZA OPUESTA, CONECTADA POR AL MENOS DOS, Y PREFERENTEMENTE CUATRO, ELEMENTOS TENSORES; B) UN PUNZON SUJETO POR LA PRIMERA PIEZA QUE SE ACOPLA Y DESACOPLA CON UN TROQUEL CORRESPONDIENTE, DETERMINANDO DICHO ACOPLAMIENTO LA FORMA DEL ESTIRADO; C) UN CUERPO DE TOPE QUE SOSTIENE DICHO TROQUEL Y QUE SE DESLIZA A LO LARGO DE LOS TENSORES SEGUN UN RECORRIDO QUE SE CORRESPONDE, AL MENOS, CON LA PROFUNDIDAD DEL ESTIRADO A OBTENER. ESTE CUERPO ESTA FORMADO POR UN PRIMER ELEMENTO QUE SUJETA DICHO TROQUEL Y POR UN SEGUNDO ELEMENTO. AMBOS VA ACOPLADOS MEDIANTE PISTONES DE CORTO RECORRIDO SUJETOS POR UNO DE DICHOS ELEMENTOS. EL SEGUNDO ELEMENTO PUEDE BLOQUEARSE EN POSICION DE TRABAJO MEDIANTE UN CIERRE MECANICO. LA PRESION DE TRABAJO NECESARIA PARA EL ESTIRADO SE OBTIENE MEDIANTE LA ACCION DE DICHOS PISTONES DE CORTO RECORRIDO. EL DESLIZAMIENTO DEL CUERPO DE TOPE NECESARIO PARA LA EXTRACCION DE LA PARTE ESTIRADA SE OBTIENE MEDIANTE LA LIBERACION DEL CIERRE MECANICO.THE PRESENT INVENTION REFERS TO A SHEET STRETCHER CONSISTING OF: A) A SUPPORT STRUCTURE FORMED BY A PUNCH HOLDER AND AN OPPOSING PART, CONNECTED BY AT LEAST TWO, AND PREFERABLY FOUR, TENSIONING ELEMENTS; B) A PUNCH HOLDED BY THE FIRST PIECE THAT COUPLES AND UNCOUPLES WITH A CORRESPONDING DIE, DETERMINING SUCH COUPLING THE FORM OF THE STRETCH; C) A BODY OF STOP THAT SUPPORTS SUCH DIE AND THAT SLIDES ALONG THE TENSIONERS ACCORDING TO A JOURNEY THAT CORRESPONDS, AT LEAST, WITH THE DEPTH OF THE STRETCH TO BE OBTAINED. THIS BODY IS FORMED BY A FIRST ELEMENT THAT HOLDS SUCH A DIE AND BY A SECOND ELEMENT. BOTH IS COUPLED THROUGH SHORT TRAVEL PISTONS SUBJECTED BY ONE OF THESE ELEMENTS. THE SECOND ELEMENT CAN BE LOCKED IN WORKING POSITION THROUGH A MECHANICAL LOCK. THE NECESSARY WORKING PRESSURE FOR THE STRETCH IS OBTAINED THROUGH THE ACTION OF THESE SHORT TRAVEL PISTONS. THE SLIDING OF THE BODY NECESSARY FOR THE EXTRACTION OF THE STRETCHED PART IS OBTAINED THROUGH THE RELEASE OF THE MECHANICAL SEAL.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21112/87A IT1217320B (en) | 1987-06-30 | 1987-06-30 | APPARATUS FOR DRAWING THE SHEET |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2035888T3 true ES2035888T3 (en) | 1993-05-01 |
Family
ID=11176921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888110182T Expired - Lifetime ES2035888T3 (en) | 1987-06-30 | 1988-06-25 | APPARATUS FOR SAUSING PLATES. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0297475B1 (en) |
DE (1) | DE3876152T2 (en) |
ES (1) | ES2035888T3 (en) |
IT (1) | IT1217320B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3915795C1 (en) * | 1989-05-13 | 1991-01-31 | Maschinenfabrik Mueller-Weingarten Ag, 7987 Weingarten, De |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2718663A (en) * | 1949-09-30 | 1955-09-27 | Crown Machine & Tool Company | Injection molding machine |
FR1322208A (en) * | 1962-02-12 | 1963-03-29 | Press closure system | |
FR2141615B1 (en) * | 1971-06-14 | 1975-09-26 | Morault Gabriel | |
DE3404307A1 (en) * | 1984-02-08 | 1985-08-14 | Adam Opel AG, 6090 Rüsselsheim | Drawing apparatus |
-
1987
- 1987-06-30 IT IT21112/87A patent/IT1217320B/en active
-
1988
- 1988-06-25 EP EP88110182A patent/EP0297475B1/en not_active Expired
- 1988-06-25 DE DE8888110182T patent/DE3876152T2/en not_active Expired - Fee Related
- 1988-06-25 ES ES198888110182T patent/ES2035888T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3876152T2 (en) | 1993-04-15 |
EP0297475A3 (en) | 1990-06-27 |
EP0297475A2 (en) | 1989-01-04 |
IT1217320B (en) | 1990-03-22 |
IT8721112A0 (en) | 1987-06-30 |
EP0297475B1 (en) | 1992-11-25 |
DE3876152D1 (en) | 1993-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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