WO2010130142A1 - 数控冲床模具的上模装置 - Google Patents

数控冲床模具的上模装置 Download PDF

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Publication number
WO2010130142A1
WO2010130142A1 PCT/CN2010/000176 CN2010000176W WO2010130142A1 WO 2010130142 A1 WO2010130142 A1 WO 2010130142A1 CN 2010000176 W CN2010000176 W CN 2010000176W WO 2010130142 A1 WO2010130142 A1 WO 2010130142A1
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WO
WIPO (PCT)
Prior art keywords
punch
end portion
hole
numerical control
striking head
Prior art date
Application number
PCT/CN2010/000176
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 WO2010130142A1 publication Critical patent/WO2010130142A1/zh

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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
    • B21D28/343—Draw punches
    • 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
    • B21D28/002—Drive of the tools
    • 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

Definitions

  • the utility model relates to a punching die, in particular to an upper horizontal device of a numerically controlled punch press for quickly and effectively adjusting the axial length of the punch after the punch cutting edge is worn to maintain the closing height of the upper die.
  • the upper mold of the existing CNC punching die especially the upper die of the large-station die, after the punch cutting edge wears, in order to keep the upper die closing height constant, it is usually necessary to increase the appropriate thickness between the punch and the punch body. Gasket. To do this, the entire CNC punch must be disassembled, thus adding a lot of work and a lot of time. Some molds have a thin thickness due to structural constraints, which greatly affects the life of the punch. Although some large-station molds have a punch length adjustment device, the structure is complicated and expensive, and it is difficult to promote the application.
  • the purpose of the utility model is to provide an upper die device for a numerically controlled punching die which can quickly and effectively adjust the length of the punch, and has a simple structure and low manufacturing cost.
  • the technical solution of the utility model is that an adjusting rod connecting the lower end portion of the upper die device of the upper die device of the numerical control punching die and the punch body and the lower end portion thereof connected or separated from the striking head and the punch body is struck,
  • the head is fixedly connected to a sleeve connected by its internal thread to the external thread of the punch body.
  • the above-mentioned striking head may be provided with a pressing locking piece which can slide radially along the striking head, a pressing spring is arranged in the pressing locking piece, a rectangular through hole is arranged in the middle of the pressing locking piece, and a positive prism is arranged on the adjusting rod
  • the rectangular through hole is fastened, and the outer side of the rectangular through hole is provided with a circular through hole communicating with the outer diameter of the positive prism which is larger than the adjustment rod.
  • the above-mentioned striking head can be composed of a main body and a lower cover.
  • the main body is provided with a central through hole which is matched with the upper end portion of the adjusting rod, and a rectangular groove is arranged in the radial direction of the body, and the pressing locking piece is disposed in the elongated concave body.
  • the inner end portion of the above-mentioned pressing lock piece can be processed into two parallel fork-shaped bodies.
  • the two sides of the inner end of the pressing lock piece described above may be provided with positioning hooks that are engageable with the inner side surface of the transverse groove on the body of the striking head.
  • the lower end portion of the adjusting rod of the present invention may be a quadrangular prism which is inserted into a square hole corresponding to the upper end portion of the punch body.
  • the working principle of the utility model is that after the punch cutting edge is worn, the protruding length of the punch must be adjusted.
  • the button on the pressing lock piece on the outside of the striking head with a finger press the locking piece against the elastic force of the return spring to slide into the inside of the striking head, and press the rectangular through hole on the locking piece and the adjusting rod
  • the positive prism is separated, and the positive prism on the adjusting rod is placed in a circular through hole on the pressing lock piece whose inner diameter is larger than the outer diameter of the positive prism of the adjusting rod.
  • the pressing lock piece is in the unfastening position, and the striking head can be rotated as needed, and the striking head drives the sleeve fixedly mounted at the lower end thereof to rotate. Since the sleeve is axially restrained, the sleeve is screwed to drive the punch body. Moving down, the punch body moves the punch down. Stop pressing the button until the punch length is in the proper position. Rotate the striker slightly to reset the press lock tab, and press the rectangular through hole on the lock tab to engage with the positive prism of the adjustment lever. The adjustment lever is locked and cannot be rotated, so that the stroke extension length adjustment ends.
  • the utility model has the advantages that the length of the punch protruding can be adjusted quickly and effectively after the punch cutting edge is worn, and the structure is simple, the manufacturing cost is low, and the utility model is suitable for popularization and application.
  • Figure 1 is a schematic view showing the structure of the present invention
  • Figure 2 is a cross-sectional view along line AA of Figure 1; 3 is an exploded perspective view of the striking head assembly and the adjusting rod of the present invention.
  • the utility model mainly comprises a striking head 18 which is mounted with a pressing locking piece 2 and a return spring 3, and is coaxial with the striking head 18 and placed inside thereof with the pressing locking piece 2
  • the octagonal adjustment rod 5 with the octagonal prism, the punch body 6 which is coaxial with the adjustment rod 5 and can only move up and down, and the lower end portion thereof is fixedly connected with the punch 1 1 , and the upper end portion is fixedly connected with the striker 18
  • the lower end is provided with a sleeve 7 which is matched with the external thread of the upper end of the punch body 6 by its internal thread.
  • the striking head 18 is composed of a body 1 and a lower cover 4, and the striking head 18 can also be made integral, and is fixedly mounted on the upper end of the sleeve 7 by screws 15.
  • a central through hole is formed in the main body 1 and the lower cover 4, and the upper end of the adjusting rod 5 is fitted in the center through hole.
  • the inner end surface of the body 1 is processed with a rectangular groove in the radial direction, and the pressing locking piece 2 and the return spring 3 are installed between the rectangular groove and the upper end surface of the lower cover 4, and the inner end portion of the rectangular groove is processed perpendicular thereto Horizontal slot.
  • a counterbore is formed on the outer cylindrical surface of the body 1 and the lower cover 4.
  • the outer end portion of the pressing lock piece 2 is formed with a button-shaped boss, and the inner end portion thereof is processed into two parallel fork-shaped bodies, and the outer side of the end portions of the two fork-shaped bodies is machined with a lateral hook, and the outer side of the two horizontal hooks is buckled It is attached to the inner end surface of the lateral groove of the body 1.
  • a portion of the two-forked body corresponding to the adjusting rod 5 is formed with a rectangular hole having the same width as the width between the two pairs of the octagonal prisms on the adjusting rod 5, and the outer side of the rectangular hole is machined and has an inner diameter larger than A circular hole that adjusts the outer diameter of the eight prisms on the rod 5.
  • the inner end of the pressing lock piece 2 can also be processed into a closed shape.
  • the upper end portion of the adjusting lever 5 is formed with an annular groove in which a snap ring 16 is mounted, and one side of the snap ring 16 is mounted in an annular groove of the upper end surface of the body 1 of the striker 18.
  • the lower end of the adjustment lever 5 is machined with a quadrangular prism.
  • the inner upper end portion of the punch body 6 is machined with a square guide hole, and the lower end of the guide hole is machined with a counterbore.
  • a quadrangular prism of the lower end portion of the adjustment lever 5 is inserted into a corresponding square guide hole at the upper end portion of the punch body 6.
  • the lower end portion of the sleeve 7 is formed with a shoulder, and the inner end surface of the upper end cover 14 of the guide sleeve assembly 9 is hooked from the inside, and the discharge disc spring 8 is attached to the lower end surface of the lower cover 4 of the strike head 18 in combination with the guide sleeve. 9 between the upper end faces of the upper end caps 14.
  • the punch 11 is fixedly mounted at its lower end by a screw 10 through a counterbore in the punch body 6.
  • a guide key 13 is formed on the guide cylinder of the lower end portion of the punch body 6, and the guide key 13 can also be mounted on the punch 11.
  • the guide key 13 is attached to the punch body 6 with a screw 19, and the punch body 6 is initially connected to the punch 11 by the screw 10, and screwed into the sleeve 7.
  • the assembly assembly is aligned with the guide groove of the guide bush assembly 9, inserted into the guide sleeve assembly 9, and the end cover is placed at the lower end of the sleeve 7, and the disc spring 8 is placed.
  • step 1 insert the quadrangular prism at the lower end of the adjusting rod 5 into the corresponding square hole at the upper end of the punch body 6, and then screw the four screws 15 into the four screw holes at the upper end of the sleeve 7.
  • the disc spring 8 is compressed until the upper end of the sleeve 7 is respectively pressed against the lower cover 4 of the striking head 18 and the upper end cover 14 of the guide sleeve assembly 9, and the set screw 17 on the side of the shoulder of the upper end of the guide sleeve assembly 9 is tightened to ensure
  • the end cap 14 is rotatable at the upper end of the guide sleeve assembly 9 without moving up and down.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

数控冲床模具的上模装置
技术领域
本实用新型涉及冲床模具， 特别是在冲头刃口磨损后为保持上模闭合高度 不变而快速有效地调整冲头轴向长度的数控冲床的上横装置。
背景技术
现有的数控冲床模具的上模， 特别是大工位模具的上模， 在冲头刃口磨损 后， 为保持上模闭合高度不变， 通常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床上模解体， 因而增加很多工作量和花费大量时- 间。 有些模具因结构的限制， 垫片厚度很薄， 因而极大地影响了冲头的使用寿 命。 虽然部分大工位模具有冲头长度调节装置， 但其结构复杂， 价格昂贵， 难 以推广应用。
发明内容
本实用新型的目的是提供一种能快速有效地调整冲头长度， 而且结构简单， 制造成本低的数控冲床模具的上模装置。
本实用新型的技术解决方案是数控冲床模具的上模装置的打击头与冲头 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调节 杆， 打击头与通过其内螺紋与冲头体的外螺纹连接的套筒固定连接。
以上所述的打击头内可以设有可沿打击头径向滑动的按压锁片， 按压锁片 内设有复位弹簧， 按压锁片的中部设有长方形通孔， 调节杆上设有正棱柱与该 长方形通孔相扣接， 该长方形通孔的外侧设有与其连通的且内径大于调节杆的 正棱柱外径的圆形通孔。
以上所述的打击头可以由本体与下盖组成， 本体内设有与调节杆上端部配 合安装的中央通孔， 本体内沿径向设有长方凹槽， 按压锁片设在该长形凹槽与 下盖上端面之间， 长方形凹槽的内端部设有横向槽， 长方形凹槽的外端部的本 体与下盖的外侧面上设有沉孔。
以上所述的按压锁片的内端部可以加工成两平行的叉状体。
以上所述的按压锁片的内端的两侧部位可以设有可与打击头的本体上的 横向槽内侧面相扣接的定位用卡钩。
本实用新型的调节杆的下端部可以为四棱柱体， 该四棱柱体插装在冲头体 上端部相对应的方形孔内。
本实用新型的工作原理是冲头刃口磨损后， 必须调整冲头的伸出长度。 调 整冲头伸长度时， 先用手指按压打击头外侧的按压锁片上的按钮， 按压锁片克 服复位弹簧的弹力而向打击头内部滑动， 并使按压锁片上的长方形通孔与调节 杆上的正棱柱分离， 调节杆上的正棱柱置于按压锁片上的其内径大于调节杆的 正棱柱外径的圆形通孔内。 此时按压锁片处在解扣位置， 可根据需要转动打击 头， 打击头带动固定安装在其下端的套筒转动， 由于套筒被轴向限位， 套筒利 甩螺紋配合带动冲头体向下移动， 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， 停止按压按钮。 稍微转动打击头， 使按压锁片复位， 按压锁 片上的长方形通孔与调节杆的正棱柱相扣接， 调节杆被锁住不能转动， 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， 能快速有效地调整冲头伸出的长 度， 而且结构简单， 制造成本低， 适合于推广应用。 附图说明
图 1是本实用新型的构造示意图；
图 2是图 1中沿 A-A剖面图； 图 3是本实用新型的打击头组合和调节杆的立体分解图。
具体实施方式
根据图 1、 图 2、 图 3所示， 本实用新型主要包括安装有按压锁片 2及复位 弹簧 3的打击头 18，与打击头 18同轴且置于其内部的与按压锁片 2相扣接的带 有八棱柱的调节杆 5, 与调节杆 5保持同轴并仅能上下移动的其下端部与冲头 1 1固定连接的冲头体 6， 上端部与打击头 18固定连接而下端通过其内螺纹与冲 头体 6上端的外螺紋相配接的套简 7。
打击头 18由本体 1与下盖 4组成， 打击头 18也可以制成整体的， 用螺钉 15将其固定安装在套简 7上端。 本体 1与下盖 4上加工有中心通孔， 调节杆 5 的上端间隙配合的插装在所述中心通孔内。 本体 1 的内端面沿径向加工有长方 形凹槽， 按压锁片 2及复位弹簧 3安装在该长方形凹槽与下盖 4的上端面之间， 上述长方形凹槽的内端部加工有与其垂直的横槽。 本体 1与下盖 4的外圆柱面 上加工有沉孔。 按压锁片 2的外端部加工有按钮状凸台， 其内端部加工成两平 行的叉状体， 两叉状体的端部的外侧加工有横向卡钩， 两横向卡钩的外侧扣接 在本体 1的横槽的内端面上。 两叉状体的与调节杆 5相对应的部位， 加工有宽 度与调节杆 5上的八棱柱的两对边间宽度相同的长方形孔， 在该长方形孔的外 侧加工有与其连通的且内径大于调节杆 5上的八正棱柱的外径的圆孔。 按压锁 片 2的内端部也可加工成闭合形的。
调节杆 5的上端部加工有环形槽， 该环形槽内安装有卡环 16， 卡环 16的一 侧安装在打击头 18的本体 1上端面的环形凹槽内。调节杆 5下端部加工有四棱 柱。
冲头体 6的内部上端部加工有四方形导向孔， 导向孔的下端加工有沉孔。 调节杆 5下端部的四棱柱插装在冲头体 6上端部的对应的四方形导向孔中。 套简 7的下端部加工有凸肩， 从内部勾住导套组合 9的上部端盖 14的内端 面， 卸料用碟簧 8安装在打击头 18的下盖 4的下端面与导套组合 9的上部端盖 14的上端面之间。 利用螺钉 10通过冲头体 6内的沉孔将冲头 11固定安装在其 下端。冲头体 6下端部的导向圆柱体上加工有导向键 13， 导向键 13也可以安装 在冲头 11上。
安装步骤
1、 将复位弹簧 3装入打击头 18的本体 1的沉孔内， 再将按压锁片 2插入 本体 1 的凹槽内。 因其按压锁片 2的内端的横向卡钩的宽度大于凹槽的宽度， 故须借助两叉状体的弹性变形， 略施力前推， 直至横向卡钩卡在横槽的内侧面。 调节调节杆 5上的八棱柱的位置， 插入预先安装好的打击头 18， 并在调节杆 5 的上端部装上卡环 16。
2、 将导向键 13用螺钉 19安装在冲头体 6上， 再用螺钉 10将冲头体 6与 冲头 11初步连接， 拧入套筒 7。 将本装配组合对准导套组合 9的导向槽， 插入 导套组合 9内， 再在套筒 7的下端套上端盖， 并套上碟簧 8。
3、 在步骤 1已装配好的部件中， 将调节杆 5下端的四棱柱插入冲头体 6上 端对应的四方形孔中， 再将四个螺钉 15拧入套筒 7上端的四个螺孔中， 压缩碟 簧 8,直至套筒 7上下端分别贴紧打击头 1 8的下盖 4和导套组合 9的上端盖 14， 拧紧导套组合 9上端凸肩侧边的定位螺钉 17，保证端盖 14在导套组合 9的上端 能转动而不会上下移动。
4、 拧紧螺钉 10。

Claims

权利要求书
1、 数控冲床模具的上模装置， 包括打击头、 套筒、 冲头体， 其特征是打 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 接的调节杆， 打击头与通过其内螺紋与冲头体的外螺紋连接的套筒固定连接。
2、 根据权利要求 1 所述的数控冲床模具的上模装置， 其特征是打击头内 设有可沿打击头径向滑动的按压锁片， 按压锁片内设有复位弹簧， 按压锁片的 中部设有长方形通孔， 调节杆上设有正棱柱与该长方形通孔相扣接， 该长方形 通孔的外侧设有与其连通的且内径 ^：于调节杆的正棱柱外径的圆形通孔。
3、 根据权利要求 2所述的数控冲床模具的上模装置， 其特征是打击头由 本体与下盖组成， 本体内设有与调节杆上端部配合安装的中央通孔， 本体内沿 径向设有长方凹槽， 按压锁片设在该长形凹槽与下盖上端面之间， 长方形凹槽 的内端部设有横向槽， 长方形凹槽的外端部的本体与下盖的外侧面上设有沉孔。
4、 根据权利要求 3所述的数控冲床模具的上模装置， 其特征是按压锁片 的内端部加工成两平行的叉状体。
5、 根据权利要求 3或 4所述的数控冲床模具的上模装置， 其特征是按压 锁片的内端的两侧部位设有可与打击头的本体上的横向槽内侧面相扣接的定位 用卡钩。
6、 根据权利要求 1或 2或 3所述的数控冲床模具的上模装置， 其特征是 调节杆的下端部为四棱柱体， 该四棱柱体插装在冲头体上端部相对应的方形孔 内。
PCT/CN2010/000176 2009-05-15 2010-02-08 数控冲床模具的上模装置 WO2010130142A1 (zh)

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CN2009200566377U CN201404992Y (zh) 2009-05-15 2009-05-15 数控冲床模具的上模装置
CN200920056637.7 2009-05-15

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CN201988637U (zh) * 2011-03-25 2011-09-28 广州市启泰模具工业有限公司 数控冲床模具上模
CN102825084B (zh) * 2011-12-09 2015-07-15 洛阳轴研科技股份有限公司 一种冷挤压装置及冷挤压装置的凹模、凸模
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