WO2012129896A1 - 数控冲床模具上模 - Google Patents

数控冲床模具上模 Download PDF

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Publication number
WO2012129896A1
WO2012129896A1 PCT/CN2011/079921 CN2011079921W WO2012129896A1 WO 2012129896 A1 WO2012129896 A1 WO 2012129896A1 CN 2011079921 W CN2011079921 W CN 2011079921W WO 2012129896 A1 WO2012129896 A1 WO 2012129896A1
Authority
WO
WIPO (PCT)
Prior art keywords
hook
head
lock
striking head
punch body
Prior art date
Application number
PCT/CN2011/079921
Other languages
English (en)
French (fr)
Inventor
祁海鸥
Original Assignee
Qi Haiou
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 Qi Haiou filed Critical Qi Haiou
Publication of WO2012129896A1 publication Critical patent/WO2012129896A1/zh

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
    • 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

Definitions

  • the utility model relates to a punch die device, in particular to a die of a numerical control punch die.
  • the upper die of the CNC die especially the large-station die, after the wear of the punch edge, in order to keep the upper die closed height, most of them must be between the punch and the punch body, and the gasket of appropriate thickness is added.
  • the entire CNC die must be disassembled, adding a lot of work.
  • Some molds are limited in structure and the thickness of the gasket is very thin, which greatly affects the service life of the punch.
  • the utility model is complicated in structure, expensive, and inconvenient to operate, and its promotion and application are limited.
  • the purpose of the utility model is to provide a CNC punching machine with adjustable punch length after the punch cutting edge wears, which can quickly adjust the length of the punch extension, prolong the service life of the punch, and has a simple structure and low manufacturing cost.
  • the mold is on the mold.
  • the upper die of the numerical control punching die comprises a striking head, an adjusting sleeve and a punch body, and a lower end portion of the striking head and the punch body which can be connected or separated from the striking head is provided between the striking head and the punch body.
  • a lock cylinder connected to the punch body, the strike head is fixedly connected with a sleeve connected by an internal thread thereof and an external thread of the upper end of the punch body, and a stepped hole is arranged in the radial direction of the striker, and the press lock hook is arranged in the hole
  • a return spring is disposed between the stepped hole and the pressing lock hook
  • a transition step is arranged between the head of the pressing lock hook and the rod portion, and a hook pin is fixedly fixed to the inner end portion thereof in the radial direction, and the strike head is provided with a corresponding groove of the hook pin
  • the upper cylinder of the lock cylinder is disposed in the central cylindrical through hole of the striker, and the inner and outer ends of the shoulder end are respectively provided with an annular groove and a radially distributed hook-fastenable Multiple halving grooves.
  • the lower part of the lock cylinder described above may be provided with a quadrangular prism, which is inserted into the corresponding upper end of the punch body. Inside the square hole.
  • the working principle of the utility model is that after the punch cutting edge is worn, in order to keep the upper mold closing height unchanged, the outer end portion of the locking hook is pressed with a finger, and the locking hook is pressed against the elastic force of the return spring to slide into the inner surface of the striking head, and The hook pin on the pressing lock hook is locked in the annular groove in the end surface of the shoulder of the lock core to unlock the mechanism, and the punch consolidated with the punch body is coaxial with the lock core and restricts its rotation and can only move up and down.
  • the striking head can be rotated as needed, and the striking head drives the adjusting sleeve, and the adjusting sleeve drives the punch body, and the punch body drives the punch to move downward until the length of the punch is in a proper position, and stops pressing and pressing the locking hook; After the lock hook is reset, the hook pin on the pressing hook is fastened to one of the equally spaced grooves of the shoulder end surface of the lock core to lock the mechanism, and the strike head is locked by the lock cylinder and cannot be rotated.
  • the punch extension length adjustment ends.
  • the utility model has the advantages that after the punch cutting edge is worn, the length of the punch protruding can be quickly adjusted, the service life of the punch is prolonged, and the structure is simple and the manufacturing cost is low.
  • Figure 1 is a schematic view showing the structure of the present invention
  • Figure 2 is a cross-sectional view taken along line F-F of Figure 1;
  • Figure 3 is a cross-sectional view taken along line N-N of Figure 1;
  • Figure 4 is a perspective view of the push lock hook and the return spring of the present invention.
  • Figure 5 is a perspective view of the lock cylinder of the present invention.
  • the utility model mainly comprises a striking head 1, an adjusting sleeve 7, and a punch body 6.
  • a lock cylinder 5 whose upper end portion is connected or separated from the striker 1 and whose lower end portion is connected with the punch body 6 is mounted, and the striker 1 and the internal thread and the punch body thereof
  • the adjusting sleeve 7 of the upper end externally threaded connection 6 is fixedly connected by a screw 15.
  • the center of the blow head 1 is processed.
  • the hole, the upper end of the lock cylinder 5 is interfitted into the center through hole.
  • the upper end of the lock cylinder 5 is formed with a snap ring groove, and is fastened by a snap ring 16 on the annular groove on the upper end surface of the striker 1, so that the lock cylinder 5 and the striker 1 can be rotated without being tilted.
  • a stepped hole is formed in the striking head 1 in the radial direction, and a pressing hook 2 slidable along the striking head is mounted in the stepped hole, and a return spring 3 is mounted in the annular space of the striking head 1 and the pressing hook 2.
  • a pressing step is formed between the head of the pressing hook 1 and the rod portion, and the hook pin 4 is fixedly attached to the inner end of the pressing hook 1 in the radial direction.
  • a groove that can be slidably engaged with the hook pin 4 is machined in the striking head 1.
  • the inner and outer end faces of the shoulder of the lock cylinder 5 are respectively formed with an annular groove and 12 radially divided grooves which can be fastened with the hook pin 4.
  • the lower end of the lock core 5 is processed with a quadrangular prism, and the quadrangular prism is inserted. It is installed in the square hole corresponding to the upper end of the punch body 6.
  • the disc spring 8 is attached between the upper end surface of the disc spring holder 13 fixed to the upper end of the guide sleeve 9 by a screw 14 and the lower end surface of the striking head 1, and a guide key 12 is attached to the lower end of the punch body 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Adornments (AREA)

Abstract

一种数控冲床模具上模包括打击头（1）、与打击头固定连接的调节套筒（7）和冲头体（6），打击头与冲头体之间设有锁芯（5）；打击头内沿径向设有一阶梯孔，该阶梯孔内设有按压锁钩（2），在阶梯孔与按压锁钩之间设有复位弹簧（3）；按压锁钩的头部与杆部之间设有过渡台阶，其内端部沿径向固接有一钩销（4），打击头内设有与钩销相对应的沟槽；锁芯的上部圆柱体设在打击头的中心圆柱形通孔内，其肩部的端面的内外分别设有环形槽和呈径向分布的可与钩销扣接的多个等分沟槽。使用该数控冲床模具上模，可在冲头刃口磨损后，快速地调整冲头伸出的长度，延长冲头的使用寿命。

Description

数控冲床模具上模 技术领域
本实用新型涉及冲床冲模装置,特别是数控冲床冲模上模。
背景技术
目前使用的数控冲模上模， 特别是大工位模具， 在冲头刃口磨损后， 为保 持上模闭合高度不变， 大多必须在冲头与冲头体之间， 增加适当厚度的垫片， 为此必须将整个数控冲模上模解体， 增加了很多工作量。 有些模具因结构的限 制， 垫片厚度很薄， 极大地影响了冲头的使用寿命。 虽有冲头长度调节的装置， 伹因结构复杂， 价格昂贵， 操作不便， 其推广应用受到限制。
发明内容
本实用新型的目的是提供一种在冲头刃口磨损后， 可快速调整冲头伸出的 长度， 延长冲头的使用寿命， 而且结构简单， 制造成本低的冲头长度可调节的 数控冲床模具上模。
本实用新型的技术解决方案是数控冲床模具上模包括打击头、 调节套筒、 冲头体， 打击头与冲头体之间设有其上端部可与打击头连接或分离的其下端部 与冲头体连接的锁芯， 打击头与通过其内螺纹与冲头体上端外螺纹连接的套筒 固定连接， 打击头内沿径向设有一阶梯孔， 该孔内设有按压锁钩， 在阶梯孔与 按压锁钩之间设有复位弹簧； 所述按压锁钩的头部与杆部之间设有过渡台阶， 其内端部沿径向固接有一钩销， 打击头内设有与钩销相对应的沟槽； 锁芯的上 部圆柱体设在打击头的中心圆柱形通孔内， 其肩部的端面的内外分别设有环形 槽和呈径向分布的可与钩销扣接的多个等分沟槽。
以上所述的锁芯下部可设有四棱柱， 该四棱柱插置在冲头体上端对应的四 方孔内。
本实用新型的工作原理是冲头刃口磨损后， 为保持上模闭合高度不变， 先 用手指按压按压锁钩的外端部， 按压锁钩克服复位弹簧的弹力向打击头内部滑 动， 并使按压锁钩上的钩销处于锁芯肩部端面内环形槽内使机构解锁， 与冲头 体固结的冲头与锁芯保持同轴并限制其转动而仅能作上下移动， 此时可根据需 要转动打击头， 而打击头带动调节套筒， 调节套筒进而带动冲头体， 冲头体又 带动冲头向下移动， 直到冲头长度处于合适位置时， 停止按压按压锁钩； 按压 锁钩复位后， 按压锁钩上的钩销与锁芯肩部端面径向分布的等分沟槽中的一个 沟槽相扣接使机构闭锁， 打击头被锁芯锁住不能转动， 从而冲头伸出长度调节 结束。
本实用新型的优点是在冲头刃口磨损后， 可快速调整冲头伸出的长度， 延 长冲头的使用寿命， 而且结构简单， 制造成本低。
附图说明
图 1为本实用新型的构造示意图；
图 2为图 1中沿 F-F 的剖面图；
图 3为图 1中沿 N-N的剖面图；
图 4为本实用新型的按压锁钩及复位弹簧的立体图；
图 5为本实用新型的锁芯的立体图。
具体实施方式
如图 1、 图 2、 图 3、 图 4、 图 5所示， 本实用新型主要包括打击头 1、 调节 套筒 7、 冲头体 6。 打击头 1与冲头体 6之间安装有其上端部可与打击头 1连接 或分离的其下端部与冲头体 6连接的锁芯 5 ,打击头 1与通过其内螺纹与冲头体 6上端外螺纹连接的调节套筒 7用螺钉 1 5固定连接。 打击头 1上加工有中心通 孔， 锁芯 5的上端间隙配合的插装在所述中心通孔内。 锁芯 5的上端加工有卡 环沟槽， 用卡环 1 6挡在打击头 1上端面环形凹槽上， 使锁芯 5与打击头 1能转 动而不能窜动。 打击头 1 内沿径向加工有一阶梯孔， 该阶梯孔内安装有可沿打 击头径向滑动的按压锁钩 2，打击头 1与按压锁钩 2的环状空间内安装有复位弹 簧 3。按压锁钩 1的头部与杆部之间加工成过渡台阶，按压锁钩 1的内端沿径向 固定安装有钩销 4。在打击头 1内加工有可与钩销 4滑动配合的沟槽。锁芯 5的 肩部的端面内外分别加工有环形槽和呈径向分布的可与钩销 4扣接的 1 2个等分 沟槽， 锁芯 5下端部加工有四棱柱， 该四棱柱插装在冲头体 6上端对应的四方 孔内。 碟簧 8安装在用螺钉 14固定在导套 9的上端的碟簧座 1 3的上端面与打 击头 1的下端面之间， 冲头体 6的下端安装有导向键 12。 冲头 1 1用螺钉 10固

Claims

1、 数控冲床模具上模， 包括打击头、 调节套筒、 冲头体， 打击头与冲头体 之间设有其上端部可与打击头连接或分离的其下端部与冲头体连接的锁芯， 打 击头与通过其内螺纹与冲头体上端外螺纹连接的套筒固定连接， 其特征是打击 头内沿径向设有一阶梯孔， 该阶梯孔内设有按压锁钩， 在阶梯孔与按压锁钩之 间设有复位弹簧； 所述按压锁钩的头部与杆部之间设有过渡台阶， 其内端部沿 径向固接有一钩销， 打击头内设有与钩销相对应的沟槽； 锁芯的上部圆柱体设 在打击头的中心圆柱形通孔内， 其肩部的端面的内外分别设有环形槽和呈径向 分布的可与钩销扣接的多个等分沟槽。
2、 如权利要求 1所述数控冲床模具上模， 其特征是锁芯下部设有四棱柱， 该四棱柱插置在冲头体上端对应的四方孔中。
PCT/CN2011/079921 2011-03-25 2011-09-21 数控冲床模具上模 WO2012129896A1 (zh)

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CN 201120082714 CN201988637U (zh) 2011-03-25 2011-03-25 数控冲床模具上模
CN201120082714.3 2011-03-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103084487B (zh) * 2013-02-04 2014-12-10 扬州恒德模具有限公司 一种免保持式数控转塔冲床的上模
CN109773043B (zh) * 2017-11-15 2020-02-07 德刚股份有限公司 防松螺帽组冲头改良结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329835A (en) * 1992-10-07 1994-07-19 Wilson Tool International, Inc. Adjustable length punch set assembly
CN201033339Y (zh) * 2007-05-23 2008-03-12 广州市启泰模具工业有限公司 冲床转塔冲模上模装置
JP2008137055A (ja) * 2006-12-05 2008-06-19 Konitsuku:Kk パンチング金型
CN201404992Y (zh) * 2009-05-15 2010-02-17 广州市启泰模具工业有限公司 数控冲床模具的上模装置
CN201669337U (zh) * 2010-05-10 2010-12-15 李智勇 一种数控转塔冲床模具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329835A (en) * 1992-10-07 1994-07-19 Wilson Tool International, Inc. Adjustable length punch set assembly
JP2008137055A (ja) * 2006-12-05 2008-06-19 Konitsuku:Kk パンチング金型
CN201033339Y (zh) * 2007-05-23 2008-03-12 广州市启泰模具工业有限公司 冲床转塔冲模上模装置
CN201404992Y (zh) * 2009-05-15 2010-02-17 广州市启泰模具工业有限公司 数控冲床模具的上模装置
CN201669337U (zh) * 2010-05-10 2010-12-15 李智勇 一种数控转塔冲床模具

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