US20220001437A1 - Side punching mechanism with movable guide block - Google Patents

Side punching mechanism with movable guide block Download PDF

Info

Publication number
US20220001437A1
US20220001437A1 US17/481,241 US202117481241A US2022001437A1 US 20220001437 A1 US20220001437 A1 US 20220001437A1 US 202117481241 A US202117481241 A US 202117481241A US 2022001437 A1 US2022001437 A1 US 2022001437A1
Authority
US
United States
Prior art keywords
slider
disposed
guide block
boss
base
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
Application number
US17/481,241
Other languages
English (en)
Inventor
Xiaochen QIAN
Xingshun LUO
Yong Yang
Jie Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Uigreen Micro&nano Technology Co Ltd
Original Assignee
Suzhou Uigreen Micro&nano Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Uigreen Micro&nano Technology Co Ltd filed Critical Suzhou Uigreen Micro&nano Technology Co Ltd
Assigned to SUZHOU UIGREEN MICRO&NANO TECHNOLOGY CO. LTD. reassignment SUZHOU UIGREEN MICRO&NANO TECHNOLOGY CO. LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LI, JIE, LUO, XINGSHUN, QIAN, XIAOCHEN, YANG, YONG
Publication of US20220001437A1 publication Critical patent/US20220001437A1/en
Pending legal-status Critical Current

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
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • 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
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
    • B21D45/006—Stripping-off devices

Definitions

  • the present invention relates to the technical field of die machining, and in particular, relates to a side punching mechanism with a movable guide block for a product with a relatively small side hole and a few flanges at an opening.
  • the side hole of such a product is usually formed by using a side punching mechanism shown in FIG. 1 .
  • a cutting edge 1 is fixed to the middle of a lower fixing plate.
  • a product 4 is pressed into the cutting edge 1 by an upper ejector rod for product positioning.
  • a slider is fitted into a spring and then mounted into a slider base 2 to reach a sliding fit state.
  • a punching pin guide block 21 is fixed in a dovetail groove of the slider base in a close fit manner.
  • a punching pin 3 is fixed in the slider.
  • the punching pin guide block 21 guides a punching pin head.
  • a slider-pushing punch descends along with a floating plate and reaches contact with an inclined face of the slider, to drive the punching pin 3 to move forward and enter the cutting edge 1 for side punching.
  • the guide block 21 must keep a certain distance from an outer edge of the flanges 41 to give room for smoothly ejecting out the product and allowing the product to enter a lower die.
  • the punching pin 3 punches a hole
  • the punching pin head is suspended and loosened.
  • the punching pin head is easily broken in case of no protection.
  • the product cannot be pressed from the outside due to its thin wall, and consequently the product may be subject to flanging deformation at an edge of the hole after punching.
  • the present invention provides a side punching mechanism with a movable guide block, which can protect a punching pin head and press an outer part of a product to better perform side punching.
  • a side punching mechanism with a movable guide block includes a slider base disposed in a lower die, where a slider is disposed on the slider base, a side punching pin is disposed at a front end of the slider, a movable guide block connected to the slider base in a sliding fit manner is disposed in front of the slider, the movable guide block includes a concave movable base and a boss disposed on the movable base, a front end of the boss protrudes forwards and extends out from the movable base, the front end of the boss has a shape of an indented arc, the indented arc fits with an outer-surface arc of a product, the boss is disposed at the center of the movable base, a through-hole for the side punching pin to enter is formed in the boss, the slider slides on the slider base along a concave space of the movable base to drive the side punching pin to move in the through-hole.
  • the movable base includes two L-shaped bent side wings disposed at the bottom of the boss, and the side wings each are bent into an L shape towards the slider to enclose the concave space.
  • an inclined face is disposed at a rear end of the movable base.
  • a return through-hole is formed in the movable base, a spring is disposed in the return through-hole, one end of the spring abuts against a cutting edge, the end abutting against the cutting edge of the spring is positioned below a flange of the product, and the other end of the spring is disposed in the slider and configured to coordinate in returning the slider.
  • the return through-hole is positioned under the boss.
  • the inclined face of the movable base is mated with an inclined face of a side-push inclined punch fixed to a floating plate, and the side-push inclined punch is disposed in an inner/outer splitting manner and includes an inner-side-push inclined punch and an outer-side-push inclined punch wrapping around the inner-side-push inclined punch.
  • an inclined face of the outer-side-push inclined punch is mated with the inclined face of the movable base.
  • an inclined face of the inner-side-push inclined punch is mated with an inclined face of the slider.
  • a distance by which the boss extends out from the movable base is greater than a width of the flange of the product.
  • a counterbore is formed in each of the side wings, and a linear spring is disposed in the counterbore.
  • the present invention has the following beneficial effects: With a protection section provided for a punching pin head, the punching strength and side punching stability of the punching pin are improved. In addition, a part of a side wall of the product around a small hole is pressed, and this can effectively mitigate the defect of flanging deformation of the small hole in case of no pressing.
  • FIG. 1 is a schematic diagram of a side punching structure according to the prior art of the present invention
  • FIG. 2 is a schematic diagram of a structure according to the present invention.
  • FIG. 3 is a schematic diagram of a stereo structure according to the present invention.
  • FIG. 4 is a schematic diagram of a stereo structure from another perspective according to the present invention.
  • FIG. 5 is a schematic diagram of a use structure in a die according to the present invention.
  • the present invention discloses a side punching mechanism with a movable guide block.
  • the side punching mechanism includes a slider base 14 disposed in a lower die.
  • a slider 13 is disposed on the slider base 14 .
  • a side punching pin 12 is disposed at a front end of the slider 13 .
  • the side punching pin 12 may be a splittype to better adapt to product punching.
  • the side punching pin 12 may be mounted into the slider from a rear end of the slider 13 .
  • a movable guide block 15 is further disposed on the slider base 14 in a sliding fit manner.
  • the movable guide block 15 is disposed in front of the slider 13 .
  • the movable guide block 15 includes a concave movable base 151 and a boss 152 disposed on the movable base 151 .
  • a front end of the boss 152 protrudes forwards and extends out from the movable base 151 .
  • the front end of the boss 152 has a shape of an indented arc. The indented arc fits with an outer-surface arc of a product 10 .
  • a distance by which the boss 152 extends out from the movable base 151 is greater than a width of a flange of the product.
  • the boss 152 is disposed at the center of the movable base 151 .
  • the movable base 151 includes two L-shaped bent side wings disposed at the bottom of the boss 152 .
  • the side wings each are bent into an L shape towards the slider to enclose a concave space.
  • a through-hole for the side punching pin 12 to enter is formed in the boss 152 .
  • the slider 13 slides on the slider base 14 along the concave space of the movable base 151 to drive the side punching pin 12 to move in the through-hole.
  • An inclined face is disposed on an upper portion of a rear end of the movable base 151 .
  • a return through-hole 153 is formed in the movable base 151 .
  • the return through-hole 153 is positioned under the boss.
  • a spring is disposed in the return through-hole 153 .
  • One end of the spring abuts against a cutting edge 9 .
  • the end abutting against the cutting edge of the spring is positioned below the flange of the product.
  • the other end of the spring is disposed in the slider 13 and configured to coordinate in returning the slider 13 .
  • a counterbore 154 is formed in each of the side wings, and a linear spring is disposed in the counterbore.
  • the inclined face of the movable base 151 is mated with an inclined face of a side-push inclined punch 11 fixed to a floating plate 4 .
  • the floating plate 4 is disposed on a lower die holder 2 through a floating bolt assembly 17 .
  • the side-push inclined punch 11 is disposed in an inner/outer splitting manner and includes an inner-side-push inclined punch 111 and an outer-side-push inclined punch 112 wrapping around the inner-side-push inclined punch 111 .
  • An inclined face of the outer-side-push inclined punch 112 is mated with the inclined face of the movable base.
  • An inclined face of the inner-side-push inclined punch 111 is mated with an inclined face of the slider.
  • the side-push inclined punch 11 is connected to the floating plate 4 , i.e., the side-push inclined punch 11 is pressed and locked by a plug screw locked into a side face of the floating plate 4 .
  • the product 10 is fed into the cutting edge 9 through a split feeding fixture 5 .
  • an upper ejector rod 6 fixed to an upper fixing block 7 is used to press the top of the product.
  • the upper fixing block 7 is in contact with the floating plate 4 .
  • the floating plate 4 drives the side-push inclined punch 11 to press down.
  • the inclined face of the side-push inclined punch 11 is in contact with the inclined face of the slider 13 and that of the movable guide block 15 , so that the side-push inclined punch 11 pushes the slider 13 and the movable guide block 15 to move on the slider base 14 towards the product 10 .
  • the boss 152 is in contact with the product, the product is limited to keep moving forward under the action of the movable base 151 .
  • the floating plate 4 and the upper fixing block 7 return to original positions, so as to drive the side-push inclined punch 11 to ascend.
  • the slider 13 and the movable guide block 15 successively return to original positions under the action of the spring until the movable guide block completely recedes from the product.
  • the punched product is ejected out by a lower ejector rod 1 of the die.
  • the present invention is simple and compact in structure.
  • the two sliding parts move independently without interfering with each other and do not affect the guiding-in and ejecting-out of the product.
  • An elastic-pressing effect of a progressive die is implemented with the simple and practical structure, and the quality of the product is improved.
  • orientations or positional relationships indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer”, etc. are based on the orientations or positional relationships shown in the accompanying drawings and are merely for ease in describing the present invention and simplifying this description, but not to indicate or imply that an indicated device or element must have a particular orientation and be constructed and operated in a particular orientation, and thus they should not be construed as limitations on the present invention.
  • the present invention further includes many specific implementations that are not enumerated herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US17/481,241 2019-12-17 2021-09-21 Side punching mechanism with movable guide block Pending US20220001437A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201911299300.3 2019-12-17
CN201911299300.3A CN111014427A (zh) 2019-12-17 2019-12-17 具有活动式导向块的侧冲机构
PCT/CN2020/110250 WO2021120657A1 (zh) 2019-12-17 2020-08-20 具有活动式导向块的侧冲机构

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/110250 Continuation WO2021120657A1 (zh) 2019-12-17 2020-08-20 具有活动式导向块的侧冲机构

Publications (1)

Publication Number Publication Date
US20220001437A1 true US20220001437A1 (en) 2022-01-06

Family

ID=70209680

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/481,241 Pending US20220001437A1 (en) 2019-12-17 2021-09-21 Side punching mechanism with movable guide block

Country Status (3)

Country Link
US (1) US20220001437A1 (zh)
CN (1) CN111014427A (zh)
WO (1) WO2021120657A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113664111B (zh) * 2021-08-13 2023-09-08 深圳市创益通技术股份有限公司 高精度高稳定性和方便性高的折弯成型模具及工艺
CN113617921B (zh) * 2021-08-17 2023-08-29 重庆神缘智能科技有限公司 一种物联网智能燃气表外壳侧冲孔设备
CN115229052B (zh) * 2022-06-16 2024-02-13 上海工程技术大学 一种不锈钢长圆形落料、拉深、侧冲、成形多工位级进模

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1702378A (en) * 1926-07-06 1929-02-19 Kelsey Hayes Wheel Corp Machine for perforating clamping lugs attached to tire-carrying rims
US1766217A (en) * 1926-07-08 1930-06-24 Kelsey Hayes Wheel Corp Machine for sizing and perforating rims
US2390371A (en) * 1945-03-13 1945-12-04 Jessie T Ivy Punching machine
US3937113A (en) * 1974-03-05 1976-02-10 Unipunch Products, Inc. Punching apparatus
US3949589A (en) * 1975-02-05 1976-04-13 Gte Sylvania Incorporated Removable subdie
US4096727A (en) * 1976-04-29 1978-06-27 Daniel Pierre Gargaillo Punching, stamping and rivetting apparatus
US4206667A (en) * 1977-08-31 1980-06-10 Amada Company, Limited Tool holding apparatus for presses
US4227449A (en) * 1979-04-30 1980-10-14 Ping Leu C Punching press
US4471680A (en) * 1982-02-01 1984-09-18 Iem Ltd. Cam slide unit
US5555760A (en) * 1994-04-28 1996-09-17 Kadis; Paul M. Actuator-punch assembly with forming die installation
US5881625A (en) * 1997-03-03 1999-03-16 Aip Inc. Automatic or programmable change-over ball lock punch retainer apparatus
US5881599A (en) * 1995-07-31 1999-03-16 Oiles Corporation Cam for press die
JP2927171B2 (ja) * 1994-03-23 1999-07-28 トヨタ車体株式会社 複合プレス型
US6386008B1 (en) * 1998-04-08 2002-05-14 Lillbacka Jetair Oy Sheet fabrication center and methods therefor of optimally fabricating worksheets
US20030213351A1 (en) * 2002-05-16 2003-11-20 Mitsuo Matsuoka Slide cam die
US20050072287A1 (en) * 2003-10-02 2005-04-07 Noritoshi Kitamura Pierce cam
US20060201217A1 (en) * 2005-03-09 2006-09-14 Kenichiro Iai Method and apparatus for continuously manufacturing fastener stringer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3072095B1 (ja) * 1999-06-25 2000-07-31 ユミックス株式会社 プレス装置
KR20070060547A (ko) * 2005-12-08 2007-06-13 현대자동차주식회사 프레스 금형용 캠 피어스 장치
CN104096745B (zh) * 2014-07-23 2016-07-13 优德精密工业（昆山）股份有限公司 一种轻载型侧冲机构
CN104907409A (zh) * 2015-05-25 2015-09-16 祥鑫科技股份有限公司 双动式侧推冲孔机构
CN206083622U (zh) * 2016-08-31 2017-04-12 安徽江淮汽车集团股份有限公司 一种紧凑斜楔侧冲机构
CN206578183U (zh) * 2017-01-20 2017-10-24 合肥信和机械科技有限公司 一种用于z形钣金件侧部冲孔的侧冲模具
CN209094312U (zh) * 2018-10-11 2019-07-12 苏州市恒升机械有限公司 一种长方管侧冲机构

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1702378A (en) * 1926-07-06 1929-02-19 Kelsey Hayes Wheel Corp Machine for perforating clamping lugs attached to tire-carrying rims
US1766217A (en) * 1926-07-08 1930-06-24 Kelsey Hayes Wheel Corp Machine for sizing and perforating rims
US2390371A (en) * 1945-03-13 1945-12-04 Jessie T Ivy Punching machine
US3937113A (en) * 1974-03-05 1976-02-10 Unipunch Products, Inc. Punching apparatus
US3949589A (en) * 1975-02-05 1976-04-13 Gte Sylvania Incorporated Removable subdie
US4096727A (en) * 1976-04-29 1978-06-27 Daniel Pierre Gargaillo Punching, stamping and rivetting apparatus
US4206667A (en) * 1977-08-31 1980-06-10 Amada Company, Limited Tool holding apparatus for presses
US4227449A (en) * 1979-04-30 1980-10-14 Ping Leu C Punching press
US4471680A (en) * 1982-02-01 1984-09-18 Iem Ltd. Cam slide unit
JP2927171B2 (ja) * 1994-03-23 1999-07-28 トヨタ車体株式会社 複合プレス型
US5555760A (en) * 1994-04-28 1996-09-17 Kadis; Paul M. Actuator-punch assembly with forming die installation
US5881599A (en) * 1995-07-31 1999-03-16 Oiles Corporation Cam for press die
US5881625A (en) * 1997-03-03 1999-03-16 Aip Inc. Automatic or programmable change-over ball lock punch retainer apparatus
US6386008B1 (en) * 1998-04-08 2002-05-14 Lillbacka Jetair Oy Sheet fabrication center and methods therefor of optimally fabricating worksheets
US20030213351A1 (en) * 2002-05-16 2003-11-20 Mitsuo Matsuoka Slide cam die
US20050072287A1 (en) * 2003-10-02 2005-04-07 Noritoshi Kitamura Pierce cam
US20060201217A1 (en) * 2005-03-09 2006-09-14 Kenichiro Iai Method and apparatus for continuously manufacturing fastener stringer

Also Published As

Publication number Publication date
CN111014427A (zh) 2020-04-17
WO2021120657A1 (zh) 2021-06-24

Similar Documents

Publication Publication Date Title
US20220001437A1 (en) Side punching mechanism with movable guide block
CN110087794B (zh) 用于冲压模具的剥离装置
US20120312068A1 (en) Stamping tool
CN209753811U (zh) 冲压零件翻孔同步倒角的冲压模具
CN219004250U (zh) 一种钣金件冲裁模具
JP2005246410A (ja) プレス型
CN110842106A (zh) 新型连接器弹片抽芯结构
CN210172391U (zh) 冲压模具中的自调板件定位器
CN209986135U (zh) 翻边顶出机构
CN209775712U (zh) 一种灭弧室绝缘纸板冲压成型模具
CN215199251U (zh) 一种汽车冲压模具上的翻孔退料装置
CN210059599U (zh) 一种用于冲压模具的放料组件及其冲压模具
CN211866385U (zh) 冲压模翻边侧向力机构
CN209969336U (zh) 一种斜楔式水平冲孔模
CN208373945U (zh) 冲缺口机构
CN111167952A (zh) 冲压模翻边侧向力机构
CN202343719U (zh) 预弯修边模具
CN220028337U (zh) 一种可移动定位的负角翻边机构
CN112453207A (zh) 一种翻边模具
CN111545690B (zh) 一种半开式弹簧卡箍成型设备及其成型方法
CN213763677U (zh) 加油口盒部件冲孔模
CN110496893B (zh) 一种导槽一刀斜切端头的模具结构
CN214683793U (zh) 一种用于冲孔模具的侧冲机构
CN211135285U (zh) 新型连接器弹片抽芯结构
CN212168718U (zh) 一种高效率冲孔模具

Legal Events

Date Code Title Description
AS Assignment

Owner name: SUZHOU UIGREEN MICRO&NANO TECHNOLOGY CO. LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:QIAN, XIAOCHEN;LUO, XINGSHUN;YANG, YONG;AND OTHERS;REEL/FRAME:057556/0422

Effective date: 20210803

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER