JPS57149036A - Press - Google Patents
PressInfo
- Publication number
- JPS57149036A JPS57149036A JP3531481A JP3531481A JPS57149036A JP S57149036 A JPS57149036 A JP S57149036A JP 3531481 A JP3531481 A JP 3531481A JP 3531481 A JP3531481 A JP 3531481A JP S57149036 A JPS57149036 A JP S57149036A
- Authority
- JP
- Japan
- Prior art keywords
- die
- knock out
- lower die
- upper die
- formed product
- 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.)
- Pending
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
PURPOSE:To make change of a die easy and make discharge of products easily without requiring a special device by dividing a knock out pin into a standard holder and the die to attach to it and energizing the pin in the holder. CONSTITUTION:A material in placed on a lower die 14 and an upper die 12 is pressed to the lower die 14. The material is held between the upper die 12 and lower die 14 and bent to ?-shape. At this time, a knock out pin of the lower die 14 is pushed down and presses the plate together with the upper die 12. When a formed product is completed, the upper die goes up with a press ram 2. At this time, knock out pins 17, 15 are raised by a cushion spring 17a and the formed product 5 is discharged from the lower die 14. When the press ram is further raised, the knock out pin 11 is pushed down by a energizing spring 11C, and the energizing spring 11C takes off the formed product 5 which has hitherto been attached to the upper die 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3531481A JPS57149036A (en) | 1981-03-13 | 1981-03-13 | Press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3531481A JPS57149036A (en) | 1981-03-13 | 1981-03-13 | Press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57149036A true JPS57149036A (en) | 1982-09-14 |
Family
ID=12438339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3531481A Pending JPS57149036A (en) | 1981-03-13 | 1981-03-13 | Press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57149036A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752676A (en) * | 2014-01-23 | 2014-04-30 | 昆山广辉精密五金有限公司 | Cutting die |
| CN104368700A (en) * | 2014-11-28 | 2015-02-25 | 吴中区光福华宇钣金厂 | Metal plate punched groove bending die with jacking devices |
| CN104492946A (en) * | 2014-11-28 | 2015-04-08 | 吴中区光福华宇钣金厂 | Metal plate punching mold with ejection device |
| CN106984706A (en) * | 2017-05-27 | 2017-07-28 | 桂林福达重工锻造有限公司 | A kind of automobile clutch damping disk(-isc) forming lower die |
-
1981
- 1981-03-13 JP JP3531481A patent/JPS57149036A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752676A (en) * | 2014-01-23 | 2014-04-30 | 昆山广辉精密五金有限公司 | Cutting die |
| CN104368700A (en) * | 2014-11-28 | 2015-02-25 | 吴中区光福华宇钣金厂 | Metal plate punched groove bending die with jacking devices |
| CN104492946A (en) * | 2014-11-28 | 2015-04-08 | 吴中区光福华宇钣金厂 | Metal plate punching mold with ejection device |
| CN106984706A (en) * | 2017-05-27 | 2017-07-28 | 桂林福达重工锻造有限公司 | A kind of automobile clutch damping disk(-isc) forming lower die |
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