GB1117398A - Safety device for a stamping machine - Google Patents
Safety device for a stamping machineInfo
- Publication number
- GB1117398A GB1117398A GB15748/67A GB1574867A GB1117398A GB 1117398 A GB1117398 A GB 1117398A GB 15748/67 A GB15748/67 A GB 15748/67A GB 1574867 A GB1574867 A GB 1574867A GB 1117398 A GB1117398 A GB 1117398A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- intermediate member
- pin
- punch
- press
- 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
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
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/081—With randomly actuated stopping means
- Y10T83/086—With sensing of product or product handling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2096—Means to move product out of contact with tool
- Y10T83/2122—By ejector within a hollow cutter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2096—Means to move product out of contact with tool
- Y10T83/2122—By ejector within a hollow cutter
- Y10T83/2133—By resiliently biased ejector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8821—With simple rectilinear reciprocating motion only
- Y10T83/8828—Plural tools with same drive means
- Y10T83/8831—Plural distinct cutting edges on same support
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Press Drives And Press Lines (AREA)
Abstract
1,117,398. Punching. H. SCHMID. 6 April, 1967 [15 April, 1966], No. 15748/67. Heading B3W. A safety device, for a blanking and piercing press having at least two piercing punches cooperating with die openings formed in the blanking punch, piston operated ejector pins operating in each die opening and a travel limiting stop for the piston, comprises an intermediate member between the piston and the pins which can be moved relative to the pins to a predetermined rest position if the die openings are clear, means for determining whether the intermediate member is in its rest position and a control switch operated by said means where. by the press is stopped if the intermediate member is not in the rest position at the end of a press cycle. The press comprises a fixed platen 10 and an up-stroking ram 21, which carries a die 23 and two piercing punches 30, which pass through a plate 29 and rest on a block 28. An ejector 24 is secured by guide rods 25 to a counter-ram 26. The punch 11 is fixed in the platen 10 and is surrounded by a hold-down 13 which has an annular V-section projection 14, and is connected by rods 15 to a disc-shaped thrust member 16 which is slidable within a thrust ring 18 fixed in the platen. Each of the die openings 31 in the punch 11 contains an ejector pin 32, the upper ends of which bear against the thrust member 16, and the downward movement of which is limited by a shoulder on the pin engaging the top surface of the punch 11. A cylinder 35 mounted on the upper surface of the platen 10 contains a piston 36, and between the piston and the thrust member 16 is the intermediate member 37. The downward movement of the piston is limited by a shoulder 38. The total axial length of the thrust and intermediate members is such that they have a limited movement " K ". Gravity and a spring 39 bias the parts downwardly. The intermediate member 37 is loosely coupled to the piston 36 by a pin and screw 40, 41. A groove 45 round the intermediate member has inclined sides and receives the rounded end of a spring-loaded pin 46. A conical shoulder 49 on the pin engages the actuating roller 50 of an electric switch 52. Operation.-A workpiece S is blanked from a strip M by upward movement of the ram 21, the counter-ram 26 remaining stationary during the first part of the movement. Simultaneously the punches 30 pierce the work. As the punch penetrates the strip, the hold-down 13 is moved upwardly relative to the punch and lifts the thrust member 16 and the intermediate member 37, so that the pin 46 is displaced horizontally and actuates the switch 52. At this stage of the press-cycle the actuation of the switch does not stop the press. The ejector pins 32 are able to move upwards in the die openings, to receive the piercing slugs, due to the upward movement of the thrust member 16. The ram 21 retracts and the part S is ejected by upward movement of the counter-ram 26. Pressure fluid admitted above the piston 36 moves it downwards against the stop 38, moving with it the thrust member 16 and the hold-down 13 which strips the webbing off the punch. The ejector pins are also actuated to clear the dieopenings and provided that this is effected properly the intermediate member 37 is then able to move down freely to its predetermined rest position in which the end of the pin 46 enters the groove 44. If for any reason the ejector pins jam the intermediate member maintains the pin 46 in a position to actuate the switch 52 and this prevents a control signal being emitted which would enable the press to continue running.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH549466A CH437970A (en) | 1966-04-15 | 1966-04-15 | Safety device on a punching machine |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1117398A true GB1117398A (en) | 1968-06-19 |
Family
ID=4294529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15748/67A Expired GB1117398A (en) | 1966-04-15 | 1967-04-06 | Safety device for a stamping machine |
Country Status (8)
Country | Link |
---|---|
US (1) | US3440909A (en) |
AT (1) | AT263501B (en) |
BE (1) | BE696922A (en) |
CH (1) | CH437970A (en) |
DE (1) | DE1602567B2 (en) |
ES (1) | ES339353A1 (en) |
GB (1) | GB1117398A (en) |
SE (1) | SE307053B (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4889073U (en) * | 1972-01-28 | 1973-10-26 | ||
US4046040A (en) * | 1976-07-06 | 1977-09-06 | Bourdo Charles A | Progressive die sensor |
GB1596641A (en) * | 1977-02-25 | 1981-08-26 | Avdel Ltd | Fault detector for a metal-forming machine |
DE2726201A1 (en) * | 1977-06-10 | 1978-12-21 | Smg Sueddeutsche Maschinenbau | DEVICE FOR PROTECTING A SET OF TOOLS IN A HYDRAULIC PRESS |
CH659009A5 (en) * | 1983-06-09 | 1986-12-31 | Hydrel Ag | DEVICE FOR FINELY CUTTING WINDOWS IN A BALL CAGE. |
US5091962A (en) * | 1987-08-11 | 1992-02-25 | Oberg Industries, Inc. | Method and apparatus for detecting a sheet strip material misfeed condition |
US4813320A (en) * | 1987-08-11 | 1989-03-21 | Oberg Industries, Inc. | Method and apparatus for detecting a sheet strip material misfeed condition |
US4855606A (en) * | 1987-08-12 | 1989-08-08 | Oberg Industries, Inc. | Method and apparatus for detecting a misfeed in a stamping press |
US4809576A (en) * | 1987-08-25 | 1989-03-07 | Amp Incorporated | Scrap removal system for stamping and forming machine and sensor apparatus for detecting movement between conveyor belts |
US4774865A (en) * | 1987-09-22 | 1988-10-04 | Wallis Bernard J | Die stamping system |
US4934230A (en) * | 1988-08-24 | 1990-06-19 | Wallis Bernard J | Die stamping system |
US7093526B2 (en) * | 1999-05-20 | 2006-08-22 | Honda Giken Kogyo Kabushiki Kaisha | Forming die apparatus |
JP2003117618A (en) * | 2001-10-16 | 2003-04-23 | Aida Eng Ltd | Device and method for detecting refuse rising |
US7171882B2 (en) * | 2003-10-15 | 2007-02-06 | Amros Industries, Inc. | Knife-like cutting die |
CN102000748B (en) * | 2010-10-21 | 2012-05-30 | 武汉一冶钢结构有限责任公司 | Anti-eccentricity pressing piston rod connecting device of no-guiding slider type hydraulic press |
CN103878247B (en) * | 2014-03-13 | 2015-11-04 | 陕西科技大学 | A kind of toggle link punch press guider |
CN104289625A (en) * | 2014-08-28 | 2015-01-21 | 宁波鸿达电机模具有限公司 | Fault detection mechanism for progressive die of motor core |
CN108213184A (en) * | 2018-03-22 | 2018-06-29 | 徐萍 | A kind of punching apparatus |
CN108435887A (en) * | 2018-03-22 | 2018-08-24 | 汪贤女 | A kind of new alloy material device |
CN108555061A (en) * | 2018-06-23 | 2018-09-21 | 东莞理工学院 | A kind of pressing stripping and slicing collection all-in-one machine for capableing of health maintenance |
CN108787933B (en) * | 2018-08-16 | 2024-06-07 | 协易科技精机(中国)有限公司 | Novel photoelectric safety device support |
CN108890734A (en) * | 2018-08-27 | 2018-11-27 | 安徽千载佳科技有限公司 | One kind is for cutting lithium battery diaphragm cutter |
CN111230986A (en) * | 2020-03-05 | 2020-06-05 | 东阳蓬臻智能装备有限公司 | Waste removing machine for waste paper in paperboard holes |
CN112246975B (en) * | 2020-09-28 | 2022-08-30 | 中原利达铁路轨道技术发展有限公司 | Automatic composite stamping production line |
CN116618526B (en) * | 2023-07-25 | 2023-09-22 | 常州市布迪拉纺机设备有限公司 | Plate spring cradle punching device of spinning machine |
CN118080703A (en) * | 2024-04-25 | 2024-05-28 | 宁波澳玛特高精冲压机床股份有限公司 | Stamping table for stamping machine tool |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2589849A (en) * | 1947-08-18 | 1952-03-18 | Oetiker Hans | Punching machine |
US2970503A (en) * | 1956-03-02 | 1961-02-07 | Ebauches Sa | Punch tool drive means yieldable upon undue thickness of material being punched |
GB1005517A (en) * | 1964-01-14 | 1965-09-22 | Ncr Co | Improvements in or relating to power operated stamping machines |
-
1966
- 1966-04-15 CH CH549466A patent/CH437970A/en unknown
- 1966-05-09 AT AT439166A patent/AT263501B/en active
-
1967
- 1967-04-04 DE DE19671602567 patent/DE1602567B2/en not_active Withdrawn
- 1967-04-05 SE SE4784/67A patent/SE307053B/xx unknown
- 1967-04-06 GB GB15748/67A patent/GB1117398A/en not_active Expired
- 1967-04-12 BE BE696922D patent/BE696922A/xx unknown
- 1967-04-13 US US630586A patent/US3440909A/en not_active Expired - Lifetime
- 1967-04-15 ES ES339353A patent/ES339353A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES339353A1 (en) | 1968-05-01 |
DE1602567A1 (en) | 1969-12-18 |
US3440909A (en) | 1969-04-29 |
CH437970A (en) | 1967-06-15 |
SE307053B (en) | 1968-12-16 |
AT263501B (en) | 1968-07-25 |
DE1602567B2 (en) | 1971-12-09 |
BE696922A (en) | 1967-09-18 |
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