WO2019090898A1 - Mobile phone multi-plane protective film forming process - Google Patents

Mobile phone multi-plane protective film forming process Download PDF

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Publication number
WO2019090898A1
WO2019090898A1 PCT/CN2017/116681 CN2017116681W WO2019090898A1 WO 2019090898 A1 WO2019090898 A1 WO 2019090898A1 CN 2017116681 W CN2017116681 W CN 2017116681W WO 2019090898 A1 WO2019090898 A1 WO 2019090898A1
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WO
WIPO (PCT)
Prior art keywords
die
mobile phone
punch
center
inner groove
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Application number
PCT/CN2017/116681
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French (fr)
Chinese (zh)
Inventor
王春生
贾志江
姚永奇
Original Assignee
苏州安洁科技股份有限公司
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Publication of WO2019090898A1 publication Critical patent/WO2019090898A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/04Movable or exchangeable mountings for tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices
    • B21D45/04Ejecting devices interrelated with motion of tool

Definitions

  • the present invention relates to the technical field of manufacturing a 3D protective film for a mobile phone, and specifically relates to a mobile phone 3D protective film forming machine.
  • the present invention provides a 3D protective film forming process for a mobile phone, which is used for scrap-free stamping, and realizes one-step stamping forming of the product, thereby improving product dimensional accuracy, improving punching efficiency, improving yield, and reducing Production costs.
  • a 3D protective film forming process for a mobile phone characterized in that: the inner groove cutter is fixed in a mounting cavity formed by combining the lower strip and the lower pad, and the lower strip and the lower pad are A vertical linear spring is arranged between the plates, so that the lower off plate is lifted and lowered relative to the upper exposed end of the inner groove cutter, and the press drives the upper mold down, and is pressed down on the upper end surface of the lower strip to make the lower strip Pressing down, contacting the pressing material and the corresponding convex portion of the corresponding inner groove cutter to form an inner groove, and the center of the cavity of the lower strip is provided with a center 3D punch, the center 3D punch A corresponding three-dimensional portion for forming a cell phone film.
  • the inner groove cutter is disposed on an outer circumference of the center 3D punch
  • the bottom of the center 3D punch is fixed to the lower mold base by screws; [0008] the lower stripping plate and the lower pad plate are provided with mounting cavities corresponding to the corresponding positions of the center 3D punch and the inner groove die;
  • the inner groove cutter comprises an L-shaped die or a linear die, and the bending of the L-shaped die and the bending angle of the mobile phone film are the same.
  • the lower off plate can be lifted and lowered relative to the upper exposed end of the inner groove die under the action of the linear spring.
  • the upper mold is fixed on the output end of the press, and the output end of the press is lifted off the mold.
  • the lower strip is driven by the linear spring to rise together, and the lower strip is raised to a fixed position to stop, and the required material is used. Place the lower plate, press the machine down to a certain height, contact the lower strip, press the material down and continue down. When the press stops at a certain height, press the desired product through the center 3D punch and the inner groove cutter.
  • FIG. 1 is a schematic diagram showing the structure of a mold corresponding to the process of the present invention
  • FIG. 2 is a schematic plan view showing the structure of the center 3D punch, the inner groove cutter mold and the lower strip plate of the mold corresponding to the process of the present invention
  • inner groove cutter die 1 L-die die 11, linear cutter die 12, lower release plate 2, lower pad 3, mounting cavity 4, linear spring 5, upper die 6, center 3D punch 7, Screw 8, lower die holder 9.
  • a mobile phone 3D protective film forming process as shown in FIG. 1 and FIG. 2: by fixing the inner groove die 1 to the mounting cavity 4 formed by the combination of the lower strip 2 and the lower pad 3 , and the lower plate 2 and the lower plate 3 are arranged to be suspended Straight to the linear spring 5, so that the lower strip 2 is lifted and lowered relative to the upper exposed end of the inner recess die 1, the press drives the upper die 6 downward, and is pressed down on the upper end surface of the lower strip 2 to make the lower strip 2 pressing down, the same pressing material and the corresponding convex portion of the inner groove die 1 are in contact with each other to form an inner groove, and the center of the cavity of the lower strip 2 is provided with a center 3D punch 7, the center 3D punch 7 is used to form the corresponding three-dimensional part of the mobile phone film.
  • the inner groove cutter die 1 is disposed on the outer circumference of the center 3D punch 7;
  • the lower strip 2, the lower pad 3 corresponds to the center 3D punch 7, the corresponding position of the inner groove die 1 is provided with a mounting cavity 4;
  • the inner groove cutter die 1 includes an L-shaped die 11 or a linear die 12, and the bending of the L-die 11 is the same as the bending angle of the cell phone film.
  • the working principle is as follows: Since a linear spring is arranged between the lower off plate and the lower pad side, the lower off plate can be lifted and lowered relative to the upper exposed end of the inner groove die under the action of the linear spring, The upper mold is fixed on the output end of the press, and the output end of the press is lifted off the mold. The lower strip is driven by the linear spring to rise together, and the lower strip is raised to a fixed position to stop, and the required material is placed.
  • the press goes down to a certain height, contacts the lower stripping plate, presses the material down and continues down. When the press goes down to a certain height, the required product is pressed and formed by the center 3D punch and the inner groove cutter.
  • the product, the press lifts up and down the upper and lower molds, and the products required by the same as the lower strips rise together to remove the required products.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

A mobile phone multi-plane protective film forming process. An inner recess cutting die (1) is fixed to a mounting cavity (4) defined by a lower removal plate (2) and a lower spacer (3). A vertical linear spring (5) is disposed between the lower removal plate (2) and the lower spacer (3), such that the lower removal plate (2) moves up and down relative to an upper exposed end of the inner recess cutting die (1). A press moves an upper die (6) downwards, and presses an upper end surface of the lower removal plate (2), such that the lower removal plate (2) is pressed downwards. At the same time, a material is pressed into contact with a corresponding upward protruding part of the inner recess cutting die (1), so as to form an inner recess. A central punch (7) is provided at a center position of a forming cavity of the lower removal plate (2). The central punch (7) is used to form a corresponding multi-plane part of a mobile phone film. The process is applicable to scrap-free punching, and achieves formation of a product in one die cutting step. The invention improves dimensional precision of a product, improves the efficiency of a punch, increases yield, and reduces production costs.

Description

一种手机 3D保护膜成型工艺 技术领域  Mobile phone 3D protective film forming process
[0001] 本发明涉及手机 3D保护膜制作的技术领域, 具体为一种手机 3D保护膜成型工 背景技术  [0001] The present invention relates to the technical field of manufacturing a 3D protective film for a mobile phone, and specifically relates to a mobile phone 3D protective film forming machine.
[0002] 手机行业内保护膜的加工通常使用平刀冲压成型技术, 传统的刀模制作技术, 一次性冲压外形带内凹槽产品, 带内凹孔或内凹槽的产品则由于刀模制作工艺 限制无法实现一刀冲压, 需要分刀冲压, 冲压后产品尺寸偏差较大, 稳定性差 , 导致产品不良率提高, 生产成本提高。  [0002] The processing of protective film in the mobile phone industry usually uses flat-blade stamping technology, traditional die-cutting technology, one-time stamping with inner groove products, and products with inner or inner grooves. The process limitation cannot achieve one-step stamping, and requires partial punching. After stamping, the product has large dimensional deviation and poor stability, which leads to an increase in product defect rate and an increase in production cost.
技术问题 technical problem
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0003] 针对上述问题, 本发明提供了一种手机 3D保护膜成型工艺, 其用于无废料冲压 , 实现产品的一刀冲压成型, 使得产品尺寸精度提高、 冲压效率提高, 提高了 良率, 降低了生产成本。  [0003] In view of the above problems, the present invention provides a 3D protective film forming process for a mobile phone, which is used for scrap-free stamping, and realizes one-step stamping forming of the product, thereby improving product dimensional accuracy, improving punching efficiency, improving yield, and reducing Production costs.
[0004] 一种手机 3D保护膜成型工艺, 其特征在于: 通过将内凹槽刀模固装于嵌装于下 脱板、 下垫板组合形成的安装腔体内, 且下脱板和下垫板之间设置有垂直向直 线弹簧, 使得下脱板相对于内凹槽刀模的上部外露端做升降动作, 压力机带动 上模下行, 通过压附位于下脱板的上端面使得下脱板下压, 同吋压附物料和对 应的内凹槽刀模的上凸部分接触、 形成内凹槽, 所述下脱板的型腔中心位置设 置有中心 3D冲头, 所述中心 3D冲头用于成型手机膜的对应立体部分。  [0004] A 3D protective film forming process for a mobile phone, characterized in that: the inner groove cutter is fixed in a mounting cavity formed by combining the lower strip and the lower pad, and the lower strip and the lower pad are A vertical linear spring is arranged between the plates, so that the lower off plate is lifted and lowered relative to the upper exposed end of the inner groove cutter, and the press drives the upper mold down, and is pressed down on the upper end surface of the lower strip to make the lower strip Pressing down, contacting the pressing material and the corresponding convex portion of the corresponding inner groove cutter to form an inner groove, and the center of the cavity of the lower strip is provided with a center 3D punch, the center 3D punch A corresponding three-dimensional portion for forming a cell phone film.
[0005] 其进一步特征在于: 所述中心 3D冲头的上端面在成型状态下外露于所述下脱板 的上端面;  [0005] It is further characterized in that: an upper end surface of the center 3D punch is exposed to an upper end surface of the lower strip in a molding state;
[0006] 所述内凹槽刀模布置于所述中心 3D冲头的外周;  [0006] the inner groove cutter is disposed on an outer circumference of the center 3D punch;
[0007] 所述中心 3D冲头的底部通过螺丝固装于下模座; [0008] 所述下脱板、 下垫板对应于所述中心 3D冲头、 内凹槽刀模的对应位置设置有安 装腔体; [0007] The bottom of the center 3D punch is fixed to the lower mold base by screws; [0008] the lower stripping plate and the lower pad plate are provided with mounting cavities corresponding to the corresponding positions of the center 3D punch and the inner groove die;
[0009] 所述内凹槽刀模包括 L型刀模或直线刀模, 所述 L型刀模的折弯和手机膜的折弯 角度相同。  [0009] The inner groove cutter comprises an L-shaped die or a linear die, and the bending of the L-shaped die and the bending angle of the mobile phone film are the same.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0010] 采用本发明的技术后, 由于下脱板和下垫板侧之间设置有直线弹簧, 下脱板在 直线弹簧的作用下可相对于内凹槽刀模的上部外露端做升降动作, 将上模固定 在压力机的输出端上, 压力机输出端上行脱幵模具, 下脱板在直线弹簧驱动下 同吋会跟着一起上升, 下脱板上升到固定位置停止, 将所需物料放置下脱板上 , 压力机下行一定高度, 接触下脱板, 将材料压住吋继续下行, 当压力机下行 一定高度停止, 通过中心 3D冲头、 内凹槽刀模将所需产品压成型所需产品, 压 力机上行脱幵上下模, 同吋所需产品跟着下脱板一起上升将所需品脱幵,其用于 无废料冲压, 实现产品的一刀冲压成型, 使得产品尺寸精度提高、 冲压效率提 高, 提高了良率, 降低了生产成本。  [0010] After adopting the technology of the present invention, since a linear spring is disposed between the lower off plate and the lower pad side, the lower off plate can be lifted and lowered relative to the upper exposed end of the inner groove die under the action of the linear spring. The upper mold is fixed on the output end of the press, and the output end of the press is lifted off the mold. The lower strip is driven by the linear spring to rise together, and the lower strip is raised to a fixed position to stop, and the required material is used. Place the lower plate, press the machine down to a certain height, contact the lower strip, press the material down and continue down. When the press stops at a certain height, press the desired product through the center 3D punch and the inner groove cutter. The required products, the press lifts up and down the upper and lower molds, and the products required by the same as the lower strips rise together to remove the required products, which are used for scrap-free stamping, which realizes one-step stamping of the products, which improves the dimensional accuracy of the products. Improved stamping efficiency, improved yield, and reduced production costs.
对附图的简要说明  Brief description of the drawing
附图说明  DRAWINGS
[0011] 图 1为本发明工艺所对应的模具的结构示意简图;  1 is a schematic diagram showing the structure of a mold corresponding to the process of the present invention;
[0012] 图 2为本发明工艺所对应模具的中心 3D冲头、 内凹槽刀模和下脱板安装后的俯 视图结构示意图;  2 is a schematic plan view showing the structure of the center 3D punch, the inner groove cutter mold and the lower strip plate of the mold corresponding to the process of the present invention;
[0013] 图中序号所对应的名称如下: [0013] The names corresponding to the serial numbers in the figure are as follows:
[0014] 内凹槽刀模 1、 L型刀模 11、 直线刀模 12、 下脱板 2、 下垫板 3、 安装腔体 4、 直 线弹簧 5、 上模 6、 中心 3D冲头 7、 螺丝 8、 下模座 9。  [0014] inner groove cutter die 1, L-die die 11, linear cutter die 12, lower release plate 2, lower pad 3, mounting cavity 4, linear spring 5, upper die 6, center 3D punch 7, Screw 8, lower die holder 9.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0015] 一种手机 3D保护膜成型工艺, 见图 1、 图 2: 通过将内凹槽刀模 1固装于嵌装于 下脱板 2、 下垫板 3组合形成的安装腔体 4内, 且下脱板 2和下垫板 3之间设置有垂 直向直线弹簧 5, 使得下脱板 2相对于内凹槽刀模 1的上部外露端做升降动作, 压 力机带动上模 6下行, 通过压附位于下脱板 2的上端面使得下脱板 2下压, 同吋压 附物料和对应的内凹槽刀模 1的上凸部分接触、 形成内凹槽, 下脱板 2的型腔中 心位置设置有中心 3D冲头 7, 中心 3D冲头 7用于成型手机膜的对应立体部分。 [0015] A mobile phone 3D protective film forming process, as shown in FIG. 1 and FIG. 2: by fixing the inner groove die 1 to the mounting cavity 4 formed by the combination of the lower strip 2 and the lower pad 3 , and the lower plate 2 and the lower plate 3 are arranged to be suspended Straight to the linear spring 5, so that the lower strip 2 is lifted and lowered relative to the upper exposed end of the inner recess die 1, the press drives the upper die 6 downward, and is pressed down on the upper end surface of the lower strip 2 to make the lower strip 2 pressing down, the same pressing material and the corresponding convex portion of the inner groove die 1 are in contact with each other to form an inner groove, and the center of the cavity of the lower strip 2 is provided with a center 3D punch 7, the center 3D punch 7 is used to form the corresponding three-dimensional part of the mobile phone film.
[0016] 中心 3D冲头 7的上端面在成型状态下外露于下脱板 2的上端面;  [0016] The upper end surface of the center 3D punch 7 is exposed to the upper end surface of the lower strip 2 in the formed state;
[0017] 内凹槽刀模 1布置于中心 3D冲头 7的外周;  [0017] The inner groove cutter die 1 is disposed on the outer circumference of the center 3D punch 7;
[0018] 中心 3D冲头 7的底部通过螺丝 8固装于下模座 9;  [0018] The bottom of the center 3D punch 7 is fixed to the lower die holder 9 by screws 8;
[0019] 下脱板 2、 下垫板 3对应于中心 3D冲头 7、 内凹槽刀模 1的对应位置设置有安装腔 体 4;  [0019] The lower strip 2, the lower pad 3 corresponds to the center 3D punch 7, the corresponding position of the inner groove die 1 is provided with a mounting cavity 4;
[0020] 内凹槽刀模 1包括 L型刀模 11或直线刀模 12, L型刀模 11的折弯和手机膜的折弯 角度相同。  [0020] The inner groove cutter die 1 includes an L-shaped die 11 or a linear die 12, and the bending of the L-die 11 is the same as the bending angle of the cell phone film.
[0021] 其工作原理如下: 由于下脱板和下垫板侧之间设置有直线弹簧, 下脱板在直线 弹簧的作用下可相对于内凹槽刀模的上部外露端做升降动作, 将上模固定在压 力机的输出端上, 压力机输出端上行脱幵模具, 下脱板在直线弹簧驱动下同吋 会跟着一起上升, 下脱板上升到固定位置停止, 将所需物料放置下脱板上, 压 力机下行一定高度, 接触下脱板, 将材料压住吋继续下行, 当压力机下行一定 高度停止, 通过中心 3D冲头、 内凹槽刀模将所需产品压成型所需产品, 压力机 上行脱幵上下模, 同吋所需产品跟着下脱板一起上升将所需品脱幵。  [0021] The working principle is as follows: Since a linear spring is arranged between the lower off plate and the lower pad side, the lower off plate can be lifted and lowered relative to the upper exposed end of the inner groove die under the action of the linear spring, The upper mold is fixed on the output end of the press, and the output end of the press is lifted off the mold. The lower strip is driven by the linear spring to rise together, and the lower strip is raised to a fixed position to stop, and the required material is placed. On the stripping plate, the press goes down to a certain height, contacts the lower stripping plate, presses the material down and continues down. When the press goes down to a certain height, the required product is pressed and formed by the center 3D punch and the inner groove cutter. The product, the press lifts up and down the upper and lower molds, and the products required by the same as the lower strips rise together to remove the required products.
[0022] 以上对本发明的具体实施例进行了详细说明, 但内容仅为本发明创造的较佳实 施例, 不能被认为用于限定本发明创造的实施范围。 凡依本发明创造申请范围 所作的均等变化与改进等, 均应仍归属于本专利涵盖范围之内。  The specific embodiments of the present invention have been described in detail, but are not intended to limit the scope of the present invention. All changes and improvements made in accordance with the scope of application for the invention shall remain within the scope of this patent.

Claims

权利要求书 Claim
[权利要求 1] 一种手机 3D保护膜成型工艺, 其特征在于: 通过将内凹槽刀模固装 于嵌装于下脱板、 下垫板组合形成的安装腔体内, 且下脱板和下垫板 之间设置有垂直向直线弹簧, 使得下脱板相对于内凹槽刀模的上部外 露端做升降动作, 压力机带动上模下行, 通过压附位于下脱板的上端 面使得下脱板下压, 同吋压附物料和对应的内凹槽刀模的上凸部分接 触、 形成内凹槽, 所述下脱板的型腔中心位置设置有中心 3D冲头, 所述中心 3D冲头用于成型手机膜的对应立体部分。  [Claim 1] A process for forming a 3D protective film of a mobile phone, which is characterized in that: the inner groove cutter is fixed in a mounting cavity formed by combining the lower strip and the lower pad, and the lower strip and the lower strip are A vertical linear spring is disposed between the lower pads, so that the lower release plate is lifted and lowered relative to the upper exposed end of the inner groove die, and the press drives the upper die down, and is pressed by the upper end surface of the lower release plate to make the lower plate The plate is pressed down, and the pressing material and the corresponding convex portion of the corresponding inner groove die are in contact with each other to form an inner groove, and the center of the cavity of the lower strip is provided with a center 3D punch, the center 3D The punch is used to form the corresponding three-dimensional portion of the cell phone film.
[权利要求 2] 如权利要求 1所述的一种手机 3D保护膜成型工艺, 其特征在于: 所述 中心 3D冲头的上端面在成型状态下外露于所述下脱板的上端面。  [Claim 2] The mobile phone 3D protective film forming process according to claim 1, wherein the upper end surface of the center 3D punch is exposed to the upper end surface of the lower strip in a molded state.
[权利要求 3] 如权利要求 2所述的一种手机 3D保护膜成型工艺, 其特征在于: 所述 内凹槽刀模布置于所述中心 3D冲头的外周。  [Claim 3] A mobile phone 3D protective film forming process according to claim 2, wherein: the inner groove cutter is disposed on an outer circumference of the center 3D punch.
[权利要求 4] 如权利要求 1所述的一种手机 3D保护膜成型工艺, 其特征在于: 所述 中心 3D冲头的底部通过螺丝固装于下模座。  [Claim 4] A mobile phone 3D protective film forming process according to claim 1, wherein: the bottom of the center 3D punch is fixed to the lower die holder by screws.
[权利要求 5] 如权利要求 1所述的一种手机 3D保护膜成型工艺, 其特征在于: 所述 下脱板、 下垫板对应于所述中心 3D冲头、 内凹槽刀模的对应位置设 置有安装腔体。  [Claim 5] The method for molding a 3D protective film of a mobile phone according to claim 1, wherein: the lower stripping plate and the lower pad correspond to the corresponding correspondence of the center 3D punch and the inner groove die The position is provided with a mounting cavity.
[权利要求 6] 如权利要求 1所述的一种手机 3D保护膜成型工艺, 其特征在于: 所述 内凹槽刀模包括 L型刀模或直线刀模, 所述 L型刀模的折弯和手机膜 的折弯角度相同。  [Claim 6] The method for molding a 3D protective film of a mobile phone according to claim 1, wherein: the inner groove cutter comprises an L-shaped die or a linear die, and the L-shaped die is folded. The bend and the phone film have the same bending angle.
PCT/CN2017/116681 2017-11-08 2017-12-15 Mobile phone multi-plane protective film forming process WO2019090898A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711088074.5 2017-11-08
CN201711088074.5A CN107671174A (en) 2017-11-08 2017-11-08 A kind of mobile phone 3D protects film forming process

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CN204149252U (en) * 2014-10-18 2015-02-11 陈君 Aperture composite punching cutting die and continuously die-cutting device
CN204209763U (en) * 2014-11-14 2015-03-18 普胜科技电子(昆山)有限公司 A kind of mould being applied to new Type Protecting Film and producing
CN206373230U (en) * 2017-01-11 2017-08-04 惠州威博精密科技有限公司 A kind of mobile fingerprint decoration diel
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