EP2674233A1 - Mould-loading apparatus for numerically controlled punch - Google Patents
Mould-loading apparatus for numerically controlled punch Download PDFInfo
- Publication number
- EP2674233A1 EP2674233A1 EP20120835943 EP12835943A EP2674233A1 EP 2674233 A1 EP2674233 A1 EP 2674233A1 EP 20120835943 EP20120835943 EP 20120835943 EP 12835943 A EP12835943 A EP 12835943A EP 2674233 A1 EP2674233 A1 EP 2674233A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide sleeve
- hook pin
- punch
- lock ring
- hook
- 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.)
- Withdrawn
Links
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D28/346—Perforating tools; Die holders length adjustable perforating tools
-
- 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
- Y10T83/929—Tool or tool with support
- Y10T83/9457—Joint or connection
- Y10T83/9461—Resiliently biased connection
Definitions
- the present invention relates to a punch assembly, and more specifically to a punch assembly of CNC punch press machine.
- the punch assembly of CNC punch press machine of the Chinese Patent No. ZL200520065714.7 has advantages, such as reliable connection between the guide assembly and the punch head assembly, fine-adjustment of the length of the plunger, and long operating life of the mechanism.
- it needs to pinch the locking ring by hand during adjustment to bring the guide sleeve and the locking ring into adjustment state, and the operator has to operate with the other hand.
- it is inconvenient, and the popularization of this type of product is affected in a certain extent.
- the object of the present invention is to provide a punch assembly of CNC punch press machine, with which a mechanism for maintaining adjustment state is provided while all kinds of adjustment functions of the Chinese patent No. ZL200520065714.7 are maintained, and the adjustment is made easier.
- a punch assembly of CNC punch press machine includes:
- the forepart of the hook pin may be flat circular, the lower part of the hook is provided with a serrated latch hook, and the tail part of the hook is cylinder shaped.
- the working principle of the present invention is: when the protruding length of the plunger chip need to be adjusted, the locking ring is turned clockwise, and the flat groove of the locking ring slides along the hook pin with a flat circular shaped head.
- the serrated latch hook falls into the groove under the push force from the tail spring, which makes the locking ring unable to rotate, and the entire mechanism is in a state of adjustment.
- the serrated latch hook is released from the groove and slides into the hole of the guide sleeve, and the locking ring is rotated counterclockwise under the push force from the two restoring springs until being stopped at working position by the shotpin, and the mechanism is in the working state.
- the punch assembly of CNC punch press machine of the present invention includes a punch head assembly 24, a guide assembly 25, a punch 11 and a stripper plate 13.
- the punch head assembly 24 includes a punch head 1, two half pieces of clip ring 2, a stripping spring 4, a punch driver 5, a dowel pin 6, a container ring 7 with twelve seal grooves 23 uniformly distributed circumferencial direction, an O-shaped seal ring 19 mounted on the top surface of the two half pieces of clip ring 2 in the interior groove of the punching head 1, and an spring cover 3.
- the stripping spring4 is installed at the punch driver 5 between the inner cone of the lower part of the container ring 7 and two half pieces of clip ring 2.
- the punch driver 5 is connected to the container ring 7 by the dowel pin 6, thus the punch driver 5 can be driven to move up and down.
- the guide assembly 25 is composed of a guide sleeve 9, a poke pin 14, a shotpin 15, a pressure spring 16, a locking ring 17, and a small steel ball 18.
- the locking ring 17 is movably sleeved on the upper part of the guide sleeve 9, and two circular grooves 20 are provided on the locking ring.
- One ends of the two shotpins 15 are fixed at the guide sleeve 9, while the other ends are placed into the circular groove 20 of the locking ring 17, to support the locking ring 17, prevent it from axial movement with the guide sleeve 9, and only allow it to rotate with a small angle along the two circular grooves 20.
- An O-shaped seal ring 8 is set between the bottom of the container ring 7 and the interior groove of the upper part of the guide sleeve 9.Two symmetric circular grooves 21 are provided on the guide sleeve 9 corresponding to the locking ring 17, and pressure springs 16 is set inside of the circular grooves 21.
- the locking ring 17 is mounted with two poke pins 14, one end of which is fixed on the locking ring 17, and the other end of which is inserted into one end of the pressure spring 16 in the circular groove 21 on the guide sleeve 9.
- the locking ring 17 turns a degree relative to the guide sleeve 9 within the range limited both by the locking ring 17 and the circular groove 21.
- two pressure springs 16 push two poke sheaths 14 of the locking ring 17, and then drive the locking ring 17 rotate to return to its original position.
- the guide sleeve 9 is provided with four holes with cone holes inside, which are set with four small steel balls 18 respectively.
- the small steel ball 18 falls into the seal groove 23 of the outside surface of the container ring 7 in the punch head assembly 24, and the outside surface of the container ring 7 is locked by the locking ring 17, thus the punch head assembly 24 can be locked.
- the punch head assembly 24 can rotate, and can be pulled out from the guide assembly 25.
- the punch 11 is provided with a dowel pin 10. Internal thread on upper part of the punch 11 is connected with external thread on lower part of the mould guide rod 5.
- the inside groove of the stripper plate 13 is embedded on the protrusion of the lower part of the guide sleeve 9, and the opening portion of the guide sleeve 9 is provided with a positioning steel ball 12.
- a press type of lock system is set between the guide sleeve 9 and the locking ring 17, and the mechanism is provided with a hook pin 26 and a restoring spring 27.
- the front portion of the hook pin 6 is in flat circular shape, a serrated latch hook is provided in the lower part of the hook pin, and the tail part of the hook pin 26 is cylinder shaped.
- a cylinder hole is provided on the guide sleeve 9, the hole is configured to cooperate with the tail part of the hook pin in a manner of slide fit, and the returning spring 27 is set in the cylinder hole.
- a flat groove is provided on the lower end surface of the locking ring 17, which can accommodate the circular shape part of the hook pin 26 to slide but not rotate.
- a groove 28 matching the latch hook of the hook pin 26 is set in the interior surface of the flat groove.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
Description
- The present invention relates to a punch assembly, and more specifically to a punch assembly of CNC punch press machine.
- The punch assembly of CNC punch press machine of the Chinese Patent No.
ZL200520065714.7 - The object of the present invention is to provide a punch assembly of CNC punch press machine, with which a mechanism for maintaining adjustment state is provided while all kinds of adjustment functions of the Chinese patent No.
ZL200520065714.7 - To achieve the above object, a punch assembly of CNC punch press machine includes:
- a guide assembly, includes:
- a guide sleeve;
- a locking ring, movably sleeved outside an upper part of the guide sleeve, wherein two symmetric circular grooves are provided on the locking ring;
- two shotpins, one end of which is fixed to the guide sleeve, and the other end of which is placed into the circular grooves;
- pressure springs, respectively mounted in two symmetric circular grooves on outer cylinder of the upper part of the guide sleeve; and
- two poke pins, one end of which is fixed to the locking ring, and the other end of which is inserted into one end of the springs of the circular grooves of the guide sleeve;
- wherein a press type of lock system is provided between the guide sleeve and the locking ring, the press type of lock system comprises a hook pin and a spring, the hook pin is provided with a latch hook, the guide sleeve is provided with a cylinder hole, the cylinder hole is configured to cooperate with the hook pin in a manner of sliding fit, and the spring is set in the cylinder hole; a flat groove is provided on a lower end surface of the locking ring, which allow the hook pin slide rather than rotate, and a groove is provided on an inner end face of the flat groove matching the latch hook of the hook pin.
- The forepart of the hook pin may be flat circular, the lower part of the hook is provided with a serrated latch hook, and the tail part of the hook is cylinder shaped.
- The working principle of the present invention is: when the protruding length of the plunger chip need to be adjusted, the locking ring is turned clockwise, and the flat groove of the locking ring slides along the hook pin with a flat circular shaped head. When the groove on the end surface of the flat groove of the locking ring contacts the serrated latch hook of the lower part of the hook pin, the serrated latch hook falls into the groove under the push force from the tail spring, which makes the locking ring unable to rotate, and the entire mechanism is in a state of adjustment. After the adjustment, when press the hook pin, the serrated latch hook is released from the groove and slides into the hole of the guide sleeve, and the locking ring is rotated counterclockwise under the push force from the two restoring springs until being stopped at working position by the shotpin, and the mechanism is in the working state.
- With the present invention, a mechanism for maintaining adjustment state is provided, whereby the adjustment operation is easier while all kinds of adjustment functions disclosed in the Chinese patent No.
ZL200520065714.7 -
-
Fig. 1 is a construction schematic diagram of one embodiment of the present invention. -
Fig. 2 is a sectional diagram along A-A line ofFig. 1 in working state. -
Fig. 3 is a sectional diagram along A-A line ofFig. 1 in working state. -
Fig. 4 is a sectional diagram along B-B line ofFig. 1 in working state. -
Fig. 5 is a sectional diagram along B-B line ofFig. 1 in adjustment state. -
Fig. 6 is a stereogram of the hook pin according to one embodiment of the present invention. -
Fig. 7 is a stereogram of the locking ring (bottom up) according to one embodiment of the present invention. - As shown in
Figs. 1 to 7 , the punch assembly of CNC punch press machine of the present invention includes apunch head assembly 24, aguide assembly 25, apunch 11 and astripper plate 13. Thepunch head assembly 24 includes a punch head 1, two half pieces of clip ring 2, a stripping spring 4, apunch driver 5, a dowel pin 6, a container ring 7 with twelveseal grooves 23 uniformly distributed circumferencial direction, an O-shaped seal ring 19 mounted on the top surface of the two half pieces of clip ring 2 in the interior groove of the punching head 1, and anspring cover 3. The stripping spring4 is installed at thepunch driver 5 between the inner cone of the lower part of the container ring 7 and two half pieces of clip ring 2. Thepunch driver 5 is connected to the container ring 7 by the dowel pin 6, thus thepunch driver 5 can be driven to move up and down. Theguide assembly 25 is composed of aguide sleeve 9, apoke pin 14, ashotpin 15, apressure spring 16, alocking ring 17, and a small steel ball 18. Thelocking ring 17 is movably sleeved on the upper part of theguide sleeve 9, and twocircular grooves 20 are provided on the locking ring. One ends of the twoshotpins 15 are fixed at theguide sleeve 9, while the other ends are placed into thecircular groove 20 of thelocking ring 17, to support thelocking ring 17, prevent it from axial movement with theguide sleeve 9, and only allow it to rotate with a small angle along the twocircular grooves 20. An O-shaped seal ring 8 is set between the bottom of the container ring 7 and the interior groove of the upper part of the guide sleeve 9.Two symmetriccircular grooves 21 are provided on theguide sleeve 9 corresponding to thelocking ring 17, andpressure springs 16 is set inside of thecircular grooves 21. Thelocking ring 17 is mounted with twopoke pins 14, one end of which is fixed on thelocking ring 17, and the other end of which is inserted into one end of thepressure spring 16 in thecircular groove 21 on theguide sleeve 9. When turn thelocking ring 17 clockwise, thelocking ring 17 turns a degree relative to theguide sleeve 9 within the range limited both by thelocking ring 17 and thecircular groove 21. When the power is released, two pressure springs 16 push twopoke sheaths 14 of thelocking ring 17, and then drive thelocking ring 17 rotate to return to its original position. Theguide sleeve 9 is provided with four holes with cone holes inside, which are set with four small steel balls 18 respectively. The small steel ball 18 falls into theseal groove 23 of the outside surface of the container ring 7 in thepunch head assembly 24, and the outside surface of the container ring 7 is locked by thelocking ring 17, thus thepunch head assembly 24 can be locked. There are fourcircular recesses 22 processed on the inner cylinder surface of thelocking ring 17, which apart from the four small steel balls 18 for a certain angle. When turn thelocking ring 17 clockwise, thelocking ring 17 is stopped by theshotpin 15, the fourcircular recesses 22 align to the four small steel balls 18, and the mechanism is unlocked. Thepunch head assembly 24 can rotate, and can be pulled out from theguide assembly 25. Thepunch 11 is provided with adowel pin 10. Internal thread on upper part of thepunch 11 is connected with external thread on lower part of themould guide rod 5. The inside groove of thestripper plate 13 is embedded on the protrusion of the lower part of theguide sleeve 9, and the opening portion of theguide sleeve 9 is provided with apositioning steel ball 12. A press type of lock system is set between theguide sleeve 9 and thelocking ring 17, and the mechanism is provided with ahook pin 26 and arestoring spring 27. The front portion of the hook pin 6 is in flat circular shape, a serrated latch hook is provided in the lower part of the hook pin, and the tail part of thehook pin 26 is cylinder shaped. A cylinder hole is provided on theguide sleeve 9, the hole is configured to cooperate with the tail part of the hook pin in a manner of slide fit, and the returningspring 27 is set in the cylinder hole. A flat groove is provided on the lower end surface of thelocking ring 17, which can accommodate the circular shape part of thehook pin 26 to slide but not rotate. Agroove 28 matching the latch hook of thehook pin 26 is set in the interior surface of the flat groove. When thelocking ring 17 and theguide sleeve 9 are at the adjusting position, both of them can be fastened, and thelocking ring 17 and theguide sleeve 9 can not be rotated with respect to each other, so as to make the mechanism maintain at the state of adjustment.
Claims (2)
- A punch assembly of CNC punch press machine, comprising:a guide assembly, comprising:a guide sleeve;a lock ring, movably sleeved outside an upper part of the guide sleeve, wherein two symmetric circular grooves are provided on the lock ring;two shotpins, one end of which is fixed to the guide sleeve, and the other end of which is placed into the circular grooves;pressure springs, respectively mounted in two symmetric circular grooves on outer cylinder of the upper part of the guide sleeve; andtwo poke pins, one end of which is fixed to the lock ring, and the other end of which is inserted into one end of the springs of the circular grooves of the guide sleeve;wherein a press type of lock system is provided between the guide sleeve and the lock ring, the press type of lock system comprises a hook pin and a spring, the hook pin is provided with a latch hook, the guide sleeve is provided with a cylinder hole, the cylinder hole is configured to cooperate with the hook pin in a manner of sliding fit, and the spring is set in the cylinder hole; a flat groove is provided on a lower end surface of the lock ring, which allow the hook pin slide rather than rotate, and a groove is provided on an inner end face of the flat groove matching the latch hook of the hook pin.
- The punch assembly of CNC punch press machine according to claim 1, wherein a forepart of the hook pin is flat circular, the lower part of the hook pin is provided with a serrated latch hook, and a tail part of the hook pin is cylinder-shaped.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203761114U CN202224532U (en) | 2011-09-29 | 2011-09-29 | Upper die structure for numerical control punch die |
PCT/CN2012/070265 WO2013044600A1 (en) | 2011-09-29 | 2012-01-12 | Mould-loading apparatus for numerically controlled punch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2674233A1 true EP2674233A1 (en) | 2013-12-18 |
EP2674233A4 EP2674233A4 (en) | 2015-05-06 |
Family
ID=46075140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20120835943 Withdrawn EP2674233A4 (en) | 2011-09-29 | 2012-01-12 | Mould-loading apparatus for numerically controlled punch |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130340588A1 (en) |
EP (1) | EP2674233A4 (en) |
CN (1) | CN202224532U (en) |
BR (1) | BR112013019230A2 (en) |
MX (1) | MX2013009374A (en) |
RU (1) | RU2551720C2 (en) |
WO (1) | WO2013044600A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9409223B2 (en) * | 2011-11-11 | 2016-08-09 | Wilson Tool International Inc. | Punch assemblies and universal punch therefor |
US8707841B2 (en) * | 2011-11-11 | 2014-04-29 | Wilson Tool International Inc. | Punch assemblies and universal punch therefor |
CN103084487B (en) * | 2013-02-04 | 2014-12-10 | 扬州恒德模具有限公司 | Upper mold of free-keeping type numerical control turret punch press |
JP6091254B2 (en) | 2013-02-28 | 2017-03-08 | 株式会社アマダホールディングス | Punch mold |
JP6071642B2 (en) | 2013-02-28 | 2017-02-01 | 株式会社アマダホールディングス | Punch mold |
CN103464567A (en) * | 2013-09-17 | 2013-12-25 | 安庆市阳光机械制造有限责任公司 | Stamping and shearing unit for automatic profile stamping and shearing machines |
DE102017203231A1 (en) * | 2017-02-28 | 2018-08-30 | Bayerische Motoren Werke Aktiengesellschaft | punch |
US11667051B2 (en) | 2020-09-23 | 2023-06-06 | Wilson Tool International Inc. | Punch assemblies and toolless systems thereof for tip retention and release |
CN113751577A (en) * | 2021-08-17 | 2021-12-07 | 杭州富阳中恒电气有限公司 | Simple upper die material returning assembly for machining energy connecting piece |
Family Cites Families (21)
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SU472021A1 (en) * | 1974-03-27 | 1975-05-30 | Экспериментальный научно-исследовательский институт кузнечно-прессового машиностроения | Punch press unit |
DE19505754C1 (en) * | 1995-02-20 | 1996-05-02 | Mate Punch And Die Gmbh | Stamping unit with punch and drive unit |
US5839341A (en) * | 1996-04-12 | 1998-11-24 | Mate Precision Tooling | Punch unit |
US5884546A (en) * | 1997-02-21 | 1999-03-23 | Mate Precision Tooling Inc. | Punch unit |
AUPR780301A0 (en) * | 2001-09-21 | 2001-10-11 | Keightley, Kym | Improved hole saw |
US6895797B2 (en) * | 2002-10-23 | 2005-05-24 | Mate Precision Tooling Inc | Punch assembly with feed gap maximization |
GB2397267B (en) * | 2003-01-14 | 2005-09-14 | Tradewise Engineering Ltd | Punching machine |
US7658134B2 (en) * | 2005-09-29 | 2010-02-09 | Mate Precision Tooling, Inc. | Punch with self-contained punch recess adjustment indexing |
CN2834728Y (en) * | 2005-10-14 | 2006-11-08 | 广州市启泰模具工业有限公司 | Die-punching and moving device for digital controlled turret punching machine |
CN2827580Y (en) * | 2005-10-14 | 2006-10-18 | 广州市启泰模具工业有限公司 | Numerical control press turret die patrix assembling device |
JP4939911B2 (en) * | 2006-11-29 | 2012-05-30 | 株式会社アマダ | Punch mold |
CN201033339Y (en) * | 2007-05-23 | 2008-03-12 | 广州市启泰模具工业有限公司 | Punch press tower-rotating punch die feeding device |
CN201098715Y (en) * | 2007-09-18 | 2008-08-13 | 济南铸锻所捷迈机械有限公司 | Numerical control punch self-rotating die locking device and bottom die locking device |
CN101524733B (en) * | 2008-03-07 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | Die holder combining device |
US8408111B2 (en) * | 2008-11-06 | 2013-04-02 | Wilson Tool International Inc. | Adjustable punch assemblies and associated adjustment methods |
JP5412146B2 (en) * | 2009-03-05 | 2014-02-12 | 株式会社アマダ | Punch mold |
JP5608375B2 (en) * | 2009-04-15 | 2014-10-15 | 株式会社アマダ | Punch mold and lubricating oil supply method |
CN201437140U (en) * | 2009-05-08 | 2010-04-14 | 深圳市锐特尔精密模具有限公司 | Thick turret upper die of numerical control punch |
JP4819928B2 (en) * | 2009-07-21 | 2011-11-24 | 株式会社アマダ | Mold equipment |
JP5214663B2 (en) * | 2010-05-26 | 2013-06-19 | 株式会社コニック | Fastening method of punch head and retainer collar in punch mold |
US9409223B2 (en) * | 2011-11-11 | 2016-08-09 | Wilson Tool International Inc. | Punch assemblies and universal punch therefor |
-
2011
- 2011-09-29 CN CN2011203761114U patent/CN202224532U/en not_active Expired - Lifetime
-
2012
- 2012-01-12 WO PCT/CN2012/070265 patent/WO2013044600A1/en active Application Filing
- 2012-01-12 EP EP20120835943 patent/EP2674233A4/en not_active Withdrawn
- 2012-01-12 MX MX2013009374A patent/MX2013009374A/en unknown
- 2012-01-12 RU RU2013135443/02A patent/RU2551720C2/en active
- 2012-01-12 US US14/003,027 patent/US20130340588A1/en not_active Abandoned
- 2012-01-12 BR BR112013019230A patent/BR112013019230A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
RU2551720C2 (en) | 2015-05-27 |
EP2674233A4 (en) | 2015-05-06 |
RU2013135443A (en) | 2015-02-10 |
CN202224532U (en) | 2012-05-23 |
US20130340588A1 (en) | 2013-12-26 |
BR112013019230A2 (en) | 2017-11-14 |
MX2013009374A (en) | 2014-09-15 |
WO2013044600A1 (en) | 2013-04-04 |
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