WO2018014448A1 - 一种2.5d曲面触摸屏盖板及其磨边刀具 - Google Patents

一种2.5d曲面触摸屏盖板及其磨边刀具 Download PDF

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Publication number
WO2018014448A1
WO2018014448A1 PCT/CN2016/101009 CN2016101009W WO2018014448A1 WO 2018014448 A1 WO2018014448 A1 WO 2018014448A1 CN 2016101009 W CN2016101009 W CN 2016101009W WO 2018014448 A1 WO2018014448 A1 WO 2018014448A1
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WO
WIPO (PCT)
Prior art keywords
touch screen
curved
screen cover
inverted
axial direction
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PCT/CN2016/101009
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English (en)
French (fr)
Inventor
韩军红
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意力(广州)电子科技有限公司
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Publication of WO2018014448A1 publication Critical patent/WO2018014448A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the invention relates to the technical field of touch screen processing, in particular to a 2.5D curved touch screen cover and an edge grinding tool for processing a 2.5D curved touch screen cover.
  • the touch screen cover for smart terminal products is mainly based on a flat touch screen cover, that is, a 2D touch screen cover.
  • a 2D touch screen cover is in great demand in the industry, the edge of the touch screen cover is a hard edge.
  • the overall visual effect of the touch screen and the body is stiff and fragile, and the user feels poor when sliding the touch screen, and does not conform to the ergonomic sensory experience.
  • the object of the present invention is to solve the problem of high processing cost and low efficiency of the existing tool by providing a edging tool and a curved touch screen cover for processing a 2.5D curved touch screen cover, and solving the visual effect of the flat touch screen panel. Poor, handy, fragile screen and other issues.
  • the invention includes two aspects.
  • the present invention provides an edging tool for processing a 2.5D curved touch screen cover, the edging tool comprising a shank sequentially connected from top to bottom, a rough processing portion, a fine processing portion, and a cutter head
  • the rough processing portion includes a first arcuate inverted region and a first cylinder connected to each other, and an upper end of the first curved inverted region is coupled to the shank;
  • the fine processing portion includes a first straight edge inverted zone, a second curved inverted zone, and a second cylinder connected in sequence from top to bottom, and an upper end of the first straight edge inverted zone is connected to the first cylinder,
  • the lower end of the second cylinder is connected to the cutter head, and the bottom of the cutter head has a circular arc shape or a V shape; wherein the first curved inverted region is used for rough curved surface of the touch screen panel
  • the second curved inverted region is used for fine curved surface processing on the edge of the touch screen panel.
  • the length of the edging tool in its own axial direction is from 45 mm to 55 mm; more preferably, the length of the edging tool in its own axial direction is from 48 mm to 52 mm.
  • the length of the edging tool along its own axial direction is 45 mm-55 mm, including any point value within the numerical range, for example, the length of the edging tool along its own axial direction is 45 mm, 47 mm, 48 mm, 50 mm, 51 mm. , 52mm, 54mm or 55mm.
  • the rough processed portion has a length in the axial direction of 4.8 mm to 5.5 mm. More preferably, the roughly processed portion has a length in the axial direction of 5 mm to 5.2 mm. Wherein, the length of the rough processed portion in the axial direction is 4.8 mm-5.5 mm, including any point value within the numerical range, for example, the length of the roughly processed portion in the axial direction is 4.8 mm, 4.9 mm, 5 mm. , 5.05mm, 5.1mm, 5.15mm, 5.2mm, 5.4mm or 5.5mm.
  • the length of the fine-worked portion along the axial direction of the edging tool is 7.2 mm to 7.6 mm. More preferably, the length of the fine-working portion along the axial direction of the edging tool is 7.3 mm to 7.5 mm.
  • the length of the fine processing portion along the axial direction of the edging tool is 7.2 mm - 7.6 mm, including any point value within the numerical range, for example, the length of the fine processing portion along the axial direction of the edging tool It is 7.2 mm, 7.25 mm, 7.3 mm, 7.35 mm, 7.38 mm, 7.4 mm, 7.45 mm, 7.48 mm, 7.5 mm, 7.52 mm or 7.6 mm.
  • the length of the cutter head along the axial direction of the edging tool is 1.5 mm to 1.8 mm. More preferably, the length of the cutter head along the axial direction of the edging tool is from 1.6 mm to 1.75 mm. Wherein the length of the cutter head along the axial direction of the edging tool is 1.5 mm-1.8 mm, including any point value within the numerical range, for example, the length of the cutter head along the axial direction of the edging tool is 1.5. Mm, 1.55 mm, 1.6 mm, 1.7 mm, 1.75 mm or 1.8 mm.
  • the first curved inverted region has a diameter of 8 mm to 9 mm at the widest point in a direction perpendicular to the axial direction of the edging tool, and a diameter of 5.5 mm to 6.5 mm at the narrowest point, the first The diameter of the cylinder is the same as the diameter of the first arcuate inverted region at the narrowest point in a direction perpendicular to the axial direction of the edging tool.
  • the diameter of the first curved inverted region at the widest point in the direction perpendicular to the axial direction of the edging tool comprises 8 mm to 9 mm, including any point value within the numerical range, for example, the first curved shape
  • the diameter of the inverted portion at the widest point in the direction perpendicular to the axial direction of the edging tool is 8 mm, 8.2 mm, 8.5 mm, 8.6 mm, 8.8 mm or 9 mm.
  • the first An arcuate inverted region having a diameter of 5.5 mm to 6.5 mm at a narrowest point in a direction perpendicular to an axial direction of the edging tool includes any point value within the numerical range, for example, the first curved inverted edge
  • the diameter at the narrowest point in the direction perpendicular to the axial direction of the edging tool is 5.5 mm, 5.6 mm, 5.8 mm, 6 mm, 6.2 mm or 6.5 mm.
  • the diameter of the first straight-edge inverted region at the narrowest point in a direction perpendicular to the axial direction of the edging tool is 5 mm to 6 mm.
  • the diameter of the first straight edge inverted region at the narrowest point in the direction perpendicular to the axial direction of the edge cutter is 5 mm to 6 mm, including any point value within the numerical range, for example, the first straight edge
  • the diameter of the inverted region at the narrowest point in the direction perpendicular to the axial direction of the edging tool is 5 mm, 5.2 mm, 5.4 mm, 5.5 mm, 5.6 mm, 5.8 mm or 6 mm.
  • the second curved inverted region has a diameter of 6 mm to 7 mm at the widest point in a direction perpendicular to the axial direction of the edging tool, and a diameter of 2 mm to 2.5 mm at the narrowest portion, the second column
  • the diameter of the body is the same as the diameter of the second arcuate inverted region at the narrowest point in the direction perpendicular to the axial direction of the edging tool.
  • the diameter of the second arcuate inverted region at the widest point in the direction perpendicular to the axial direction of the edging tool comprises 6mm-7mm, including any point value within the numerical range, for example, the second curved shape
  • the diameter of the inverted region at the widest point in the direction perpendicular to the axial direction of the edging tool is 6 mm, 6.15 mm, 6.3 mm, 6.4 mm, 6.48 mm, 6.5 mm, 6.66 mm, 6.7 mm, 6.8 mm or 7 mm.
  • the second arcuate inverted region has a diameter ranging from 2 mm to 2.5 mm at the narrowest point in a direction perpendicular to the axial direction of the edging tool, including any point value within the numerical range, for example, the second curved shape is inverted
  • the diameter of the edge region at the narrowest point in the direction perpendicular to the axial direction of the edging tool is 2 mm, 2.1 mm, 2.2 mm, 2.3 mm, 2.4 mm or 2.5 mm.
  • the cutter head has a diameter of 0.8 mm to 1.2 mm in a direction perpendicular to the axial direction of the edging tool.
  • the diameter of the cutter head in a direction perpendicular to the axial direction of the edging tool is 0.8 mm - 1.2 mm, including any point value within the numerical range, for example, the cutter head is perpendicular to the edging
  • the diameter in the direction of the tool axis is 0.8 mm, 0.9 mm, 1 mm, 1.1 mm or 1.2 mm.
  • a first connecting portion is disposed between the first pillar and the first straight edge inverted region, and the first connecting portion causes the first pillar and the first straight edge to be inverted Connecting a second straight edged area under the second cylinder, and a second connecting portion is disposed between the second straight edged area and the cutter head, the second connecting portion The second straight edged edge region is coupled to the cutter head.
  • the first straight-sided inverted region includes a first side wall that is vertically opposed and obliquely disposed toward an inner direction of the edging tool, and the first side of the two sides that are gathered A first inverted groove is provided between the walls.
  • the folding angles of the two first side walls that are gathered together are ⁇ , 3° ⁇ ⁇ ⁇ 90°.
  • the folding angle 3° ⁇ 90° includes any angle within the numerical range, for example, the folding angle ⁇ is 3°, 5°, 8°, 10°, 12°, 15°, 20°, 30°. 45°, 50°, 60°, 75°, 80° or 90°.
  • the first inverted groove has a length in the axial direction of 2.5 mm to 3.5 mm.
  • the length of the first inverted groove in the axial direction is 2.5 mm-3.5 mm, including any point value within the numerical range, for example, the length of the first inverted groove in the axial direction is 2.5 mm, 2.6mm, 2.8mm, 3mm, 3.2mm or 3.5mm.
  • the second straight edged edge region includes a second sidewall that is vertically disposed oppositely and obliquely disposed toward the inner direction of the cutter, and a second inverted groove is disposed between the two second sidewalls that are gathered .
  • the outer side wall of the shank is provided with an engaging block protrudingly protruding in an axial direction perpendicular to the shank, and the engaging block is used for engaging and fixing the shank.
  • the rough processed portion, the fine processed portion, and the surface of the cutter head are all plated corundum layers.
  • the corundum plating sand in the surface electroplated silicon carbide layer of the rough processing part is uniformly distributed, and the distribution of the sand plating particles is represented as 400#, and the corundum plating sand in the surface electroplating silicon carbide layer of the fine processing part is uniformly distributed and plated.
  • the sand particle distribution is expressed as 1200#.
  • the present invention provides a 2.5D curved touch screen cover processed by the above-mentioned edge grinding tool, the 2.5D curved touch screen comprising a touch screen cover body and a side edge integrally formed with the touch screen cover body, at least One side of the side is a side having a curvature, and the side having the curvature is processed by a rough processing part and a fine processing part of the edge grinding tool, and the arc range of the side having the curvature is greater than 0 ° and less than or equal to 90 °.
  • the range of curvature of the side having the curvature includes any point value within the range of values, for example, the curvature of the side having the curvature is 1°, 3°, 5°, 8°, 10°, 12°, 15°, 20°, 30°, 45°, 50°, 60°, 75°, 80° or 90°.
  • the width of the side edge having a curvature perpendicular to the length direction of itself is less than or equal to 4.5 mm.
  • the side edge having the curvature is perpendicular to the length of the side
  • the range of widths of the directions includes any point value within the range of values, such as 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, or 4.5 mm.
  • the left side edge and the right side edge of the touch screen cover body are both sides having a curvature, or the top side and the bottom side of the touch screen cover body are all sides having a curvature Or the left side, the right side, the top side, and the bottom side of the touch screen cover body are all sides having a curvature.
  • the edge grinding tool of the present invention can perform the edging process and the drilling process, and can meet the processing requirements at different positions of the touch screen cover, and can effectively improve the processing efficiency.
  • the edging tool of the present invention separately provides a first curved inverted region for rough processing and a second curved inverted region for fine processing for the curved surface processing of the touch screen cover, the curved touch screen cover can be realized The board is crafted to give a curved touch screen cover with better visual effects.
  • the curved touch screen cover obtained in the present invention has a more comfortable feel than the flat touch screen cover, and is more ergonomically sensible and more comfortable to wear.
  • Figure 1 is a schematic view showing the structure of a three-edged cutter according to an embodiment of the present invention.
  • FIG. 2 is a schematic enlarged view of a three-edged cutter according to an embodiment of the present invention (a shank is not shown).
  • FIG. 3 is a schematic structural view of a 2.5D curved touch screen cover according to Embodiment 3 of the present invention.
  • FIG. 4 is a right side view of the 2.5D curved touch screen cover of FIG. 3.
  • Figure 5 is a bottom plan view of the 2.5D curved touch screen cover of Figure 3.
  • the orientation or positional relationship of the indications such as “vertical”, “horizontal”, “transverse”, “longitudinal” and the like is based on the orientation or positional relationship shown in the drawings, and is only used to explain the relative positional relationship between components or components.
  • the specific mounting orientation of each component or component is not particularly limited.
  • the above partial terms may be used to indicate other meanings in addition to the orientation or positional relationship, for example, the term “upper” may also be used to indicate a certain dependency or connection relationship in some cases.
  • the specific meaning of these terms in the present invention can be understood on a case-by-case basis.
  • installation should be understood broadly.
  • it may be a fixed connection, a detachable connection, or a one-piece construction; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, or it may be two devices, components or components. Internal communication.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • first means two or more.
  • the embodiment provides a edging tool for processing a 2.5D curved touch screen cover, the edging tool includes a shank connected in order from top to bottom, a rough processing part, a fine processing part, and a cutter head, wherein
  • the rough processing portion includes a first arc-shaped inverted region and a first cylinder connected to each other, and an upper end of the first curved inverted region is connected to the shank;
  • the fine processing portion includes a top-to-bottom sequence a first straight edged edge region, a second curved edge region, and a second column, wherein the upper end of the first straight edge region is connected to the first column, and the lower end of the second column Connected to the cutting head, the bottom of the cutting head is circular arc or V-shaped; wherein the first curved inverted area is used for rough curved surface processing of the edge of the touch screen panel, the second curved shape The inverted area is used to fine-tune the edges of the touch screen panel.
  • the embodiment provides a 2.5D curved touch screen processed by the edge grinding tool of the first embodiment, the curved touch screen comprising a touch screen cover body and a side edge integrally formed with the touch screen cover body, at least one side
  • the edge is a side having a curvature, and the side having the curvature is processed by a rough processing portion and a fine processing portion of the edge grinding tool, and the curvature of the side edge is ⁇ , 0° ⁇ ⁇ ⁇ 90°.
  • the embodiment provides a edging tool for processing a 2.5D curved touch screen cover.
  • the edging tool includes a shank connected in order from top to bottom, and a rough processing part 2.
  • the first connecting portion 3, the fine processing portion 4, the second connecting portion 5, and the cutter head 6, and the surfaces of the rough processed portion 2, the fine processed portion 4, and the cutter head 6 are all plated with a corundum layer, and the surface of the rough processed portion is plated with silicon carbide.
  • the corundum plating sand in the layer is evenly distributed, and the sanding particle distribution table Shown as 400#, the diamond-plated sand in the surface-plated diamond layer of the fine processing part is evenly distributed, and the distribution of the sand-plated particles is expressed as 1200#.
  • the length of the edging tool is 48 mm - 52 mm
  • the length of the rough processed portion 2 is 5 mm - 5.2 mm
  • the length of the cutter head 4 is from 7.3 mm to 7.5 mm and is from 1.6 mm to 1.75 mm.
  • the rough processed portion 2 includes a first curved inverted region 21 and a first cylindrical body 22 which are connected up and down, and the upper end of the first curved inverted portion 21 is connected to the shank 1.
  • the diameter of the first curved inverted region 21 at the widest point in the axial direction perpendicular to the edging ie, the diameter in the left-right direction in FIG. 2 is 8 mm to 9 mm, and the diameter at the narrowest portion is 5.5 mm to 6.5 mm.
  • rough curved surface processing at the edge of the touch screen panel is achieved by the first curved inverted region.
  • the fine-worked portion 4 includes a first straight-sided inverted region 41, a second curved inverted region 42, a second cylindrical portion 43, and a second straight-sided inverted region which are sequentially connected from top to bottom. 44, and the upper end of the first straight-edge inverted region 41 is connected to the first cylinder 22 through the first connecting portion 3, and the lower end of the second straight-side inverted region 44 is connected to the cutter head 6 through the second connecting portion 5.
  • the diameter of the second curved inverted region 42 at the widest point in the direction perpendicular to the axial direction of the sharpening tool ie, the diameter in the left and right direction in FIG. 2
  • the diameter at the narrowest portion is 2 mm to 2.5 mm.
  • fine curved surface processing at the edge of the touch screen panel is achieved by the second curved inverted region.
  • the first straight-edged edge region 41 includes a first side wall 411 which is vertically disposed oppositely and obliquely disposed toward the inner direction of the edging tool, and a first between the gathered first side walls 411 The inverted groove 412.
  • the folding angles of the two first side walls 411 which are gathered together are ⁇ , and ⁇ is 3°-90°.
  • the length of the first inverted groove 412 in the axial direction is 2.5 mm to 3.5 mm.
  • the second straight-edged edge region 44 includes a second side wall 441 which is vertically opposed and obliquely disposed toward the inner direction of the cutter, and a second inverted groove 442 is disposed between the gathered second side walls 441.
  • the bottom of the cutter head 6 has a circular arc shape or a V shape.
  • the outer side wall of the shank 1 is provided with an engaging block 11 projecting perpendicularly to the axial direction of the shank, and the engaging block 11 is used for engaging and fixing the shank.
  • the shank can be fitted to a specific machining position on the CNC machine.
  • the embodiment also provides a 2.5D curved surface touch processed by the above-mentioned edging tool.
  • the curved touch screen includes a touch screen cover body 100, and a left side side 201, a right side side 202, a top side 203, and a bottom side respectively located around the touch screen cover body 100. 204.
  • the touch screen cover body is a flat panel having a thickness or a curved panel having a thickness.
  • the left side side 201, the right side side 202, the top side 203, and the bottom side 204 are all sides of the arc ⁇ , the curvature ⁇ is 3°-10°, and each side edge is perpendicular to the length direction thereof.
  • the width is d, 0 mm ⁇ d ⁇ 3.5 mm.
  • the edging tool can perform the edging process and the drilling process on the touch screen panel, and can satisfy the processing requirements at different positions of the touch screen panel, and can effectively improve the processing efficiency.
  • the edging tool of the embodiment is provided with a first curved inverted region for rough processing and a second curved inverted region for fine processing, respectively, for the curved surface processing of the touch screen panel, the curved touch screen cover can be realized
  • the board is well-machined to get a curved touch screen with better visual effects.
  • the curved touch screen obtained in the present invention has a more comfortable feel than a flat touch screen, and is more ergonomically sensible and more comfortable to wear.

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  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract

一种2.5D曲面触摸屏盖板及其磨边刀具，其中磨边刀具包括由上至下依次连接的刀柄（1）、粗略加工部（2）、精细加工部（4）以及刀头（6），粗略加工部（2）包括上下相连接的第一弧形倒边区（21）和第一柱体（22），且第一弧形倒边区（21）的上端与刀柄（1）连接；精细加工部（4）包括由上至下依次连接的第一直边倒边区（41）、第二弧形倒边区（42）以及第二柱体（43），且第一直边倒边区（41）的上端与第一柱体（22）相连接、第二柱体（43）的下端与刀头（6）相连接，刀头（6）底部为圆弧形或V字型。这种磨边刀具能够满足对触摸屏盖板不同位置处的加工需求、提高加工效率，同时能够实现对于曲面触摸屏盖板的精良加工，得到具有更好视觉效果的曲面触摸屏。利用该磨边刀具加工的曲面触摸屏盖板具有更舒适的手感。

Description

一种2.5D曲面触摸屏盖板及其磨边刀具 技术领域
本发明涉及触摸屏加工技术领域，具体是一种2.5D曲面触摸屏盖板以及用于加工2.5D曲面触摸屏盖板的磨边刀具。
背景技术
随着电子信息技术的飞速发展，智能手机、平板电脑等便携式智能终端产品已成为人们日常生活的必备品，因此作为智能终端产品的必备组件——触摸屏盖板，也成为各大厂商开发各款新型智能终端产品的突破口之一。
目前用于智能终端产品的触摸屏盖板主要仍以平面触摸屏盖板为主，即2D触摸屏盖板，这种触摸屏盖板虽然行业需求量巨大，但是由于触摸屏盖板的边缘是生硬的棱角，使得触摸屏和机身整体的视觉效果生硬且更易碎屏，并且当使用者滑动触摸屏时手感也较差，不符合人体工程学原理的感观体验。
此外，在现有的触摸屏盖板加工技术中，由于需要对触摸屏盖板进行裁剪、磨边、钻孔等多道工序加工，因此需要使用不同刀具来满足加工要求。但是使用多把刀具会增加加工成本，且频繁更换刀具也会延长加工时间、降低加工效率，因此实有必要在研发改进触摸屏盖板的同时，对其加工刀具也进行改进。
发明内容
本发明的目的在于通过提供一种用于加工2.5D曲面触摸屏盖板的磨边刀具及曲面触摸屏盖板，以解决现有刀具的加工成本高、效率低的问题，以及解决平面触摸屏面板视觉效果差、手感差、易碎屏等问题。
具体地，本发明包括两个方面。
第一个方面，本发明提供一种用于加工2.5D曲面触摸屏盖板的磨边刀具，所述磨边刀具包括由上至下依次连接的刀柄、粗略加工部、精细加工部以及刀头，其中，所述粗略加工部包括上下相连接的第一弧形倒边区和第一柱体，且所述第一弧形倒边区的上端与所述刀柄连接；所述精细加工部包括由上至下依次连接的第一直边倒边区、第二弧形倒边区以及第二柱体，且所述第一直边倒边区的上端与所述第一柱体相连接、 所述第二柱体的下端与所述刀头相连接，所述刀头底部为圆弧形或V字型；其中，所述第一弧形倒边区用于对触摸屏面板的边缘进行粗略曲面加工，所述第二弧形倒边区用于对触摸屏面板的边缘进行精细曲面加工。
优选地，所述磨边刀具沿自身轴向的长度为45mm-55mm；更优选地，所述磨边刀具沿自身轴向的长度为48mm-52mm。其中，所述磨边刀具沿自身轴向的长度为45mm-55mm包括了该数值范围内的任一点值，例如所述磨边刀具沿自身轴向的长度为45mm、47mm、48mm、50mm、51mm、52mm、54mm或55mm。
优选地，所述粗略加工部在轴向上的长度为4.8mm-5.5mm。更优选地，所述粗略加工部在轴向上的长度为5mm-5.2mm。其中，所述粗略加工部在轴向上的长度为4.8mm-5.5mm包括了该数值范围内的任一点值，例如所述粗略加工部在轴向上的长度为4.8mm、4.9mm、5mm、5.05mm、5.1mm、5.15mm、5.2mm、5.4mm或5.5mm。
优选地，所述精细加工部沿所述磨边刀具轴向的长度为7.2mm-7.6mm。更优选地，所述精细加工部沿所述磨边刀具轴向的长度为7.3mm-7.5mm。其中，所述精细加工部沿所述磨边刀具轴向的长度为7.2mm-7.6mm包括了该数值范围内的任一点值，例如所述精细加工部沿所述磨边刀具轴向的长度为7.2mm、7.25mm、7.3mm、7.35mm、7.38mm、7.4mm、7.45mm、7.48mm、7.5mm、7.52mm或7.6mm。
优选地，所述刀头沿所述磨边刀具轴向的长度为1.5mm-1.8mm。更优选地，所述刀头沿所述磨边刀具轴向的长度为1.6mm-1.75mm。其中，所述刀头沿所述磨边刀具轴向的长度为1.5mm-1.8mm包括了该数值范围内的任一点值，例如所述刀头沿所述磨边刀具轴向的长度为1.5mm、1.55mm、1.6mm、1.7mm、1.75mm或1.8mm。
优选地，所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为8mm-9mm，最窄处的直径为5.5mm-6.5mm，所述第一柱体的直径与所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径相同。其中，所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为8mm-9mm包括了该数值范围内的任一点值，例如所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为8mm、8.2mm、8.5mm、8.6mm、8.8mm或9mm。所述第 一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为5.5mm-6.5mm包括了该数值范围内的任一点值，例如所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为5.5mm、5.6mm、5.8mm、6mm、6.2mm或6.5mm。
优选地，所述第一直边倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为5mm-6mm。其中，所述第一直边倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为5mm-6mm包括了该数值范围内的任一点值，例如所述第一直边倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为5mm、5.2mm、5.4mm、5.5mm、5.6mm、5.8mm或6mm。
优选地，所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为6mm-7mm，最窄处的直径为2mm-2.5mm，所述第二柱体的直径与所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径相同。其中，所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为6mm-7mm包括了该数值范围内的任一点值，例如所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为6mm、6.15mm、6.3mm、6.4mm、6.48mm、6.5mm、6.66mm、6.7mm、6.8mm或7mm。所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为2mm-2.5mm包括了该数值范围内的任一点值，例如所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为2mm、2.1mm、2.2mm、2.3mm、2.4mm或2.5mm。
优选地，所述刀头沿垂直于所述磨边刀具轴向的方向上的直径为0.8mm-1.2mm。其中，所述刀头沿垂直于所述磨边刀具轴向的方向上的直径为0.8mm-1.2mm包括了该数值范围内的任一点值，例如所述刀头沿垂直于所述磨边刀具轴向的方向上的直径为0.8mm、0.9mm、1mm、1.1mm或1.2mm。
进一步地，在所述第一柱体与所述第一直边倒边区之间设有第一连接部，所述第一连接部使所述第一柱体与所述第一直边倒边区连接；在所述第二柱体下方还设有第二直边倒边区，且所述第二直边倒边区与所述刀头之间设有第二连接部，所述第二连接部使所述第二直边倒边区与所述刀头连接。
进一步地，在所述精细加工部中，所述第一直边倒边区包括上下相对且斜向向所述磨边刀具内部方向收拢设置的第一侧壁，在收拢的两所述第一侧壁之间设有第一倒边槽。
优选地，相互收拢的两所述第一侧壁的收拢角度为α，3°≤α≤90°。其中，收拢角度3°≤α≤90°包括了该数值范围内的任一角度，例如收拢角度α为3°、5°、8°、10°、12°、15°、20°、30°、45°、50°、60°、75°、80°或90°。
优选地，所述第一倒边槽沿轴向方向的长度为2.5mm-3.5mm。其中，所述第一倒边槽沿轴向方向的长度为2.5mm-3.5mm包括了该数值范围内的任一点值，例如所述第一倒边槽沿轴向方向的长度为2.5mm、2.6mm、2.8mm、3mm、3.2mm或3.5mm。
进一步地，所述第二直边倒边区包括上下相对且斜向向所述刀具内部方向收拢设置的第二侧壁，在收拢的两所述第二侧壁之间设有第二倒边槽。
进一步地，所述刀柄的外侧壁上设有沿垂直于所述刀柄轴向方向凸伸出的卡合块，所述卡合块用于使所述刀柄卡合固定。
进一步地，所述粗略加工部、所述精细加工部以及所述刀头的表面均为电镀金刚砂层。
其中，所述粗略加工部的表面电镀金刚砂层中的金刚砂镀砂均匀分布，且镀砂颗粒分布表示为400#，所述精细加工部的表面电镀金刚砂层中的金刚砂镀砂均匀分布，且镀砂颗粒分布表示为1200#。
第二个方面，本发明提供一种利用上述磨边刀具加工的2.5D曲面触摸屏盖板，所述2.5D曲面触摸屏包括触摸屏盖板主体以及与所述触摸屏盖板主体一体成型的侧边，至少一所述侧边为具有弧度的侧边，且所述具有弧度的侧边采用所述磨边刀具的粗略加工部和精细加工部加工得到，所述具有弧度的侧边的弧度范围是大于0°且小于或者等于90°。
其中，具有弧度的侧边的弧度范围包括了该数值范围内的任一点值，例如所述具有弧度的侧边的弧度为1°、3°、5°、8°、10°、12°、15°、20°、30°、45°、50°、60°、75°、80°或90°。
进一步地，所述具有弧度的侧边沿垂直于自身长度方向的宽度范围小于或者等于4.5mm。其中，所述具有弧度的侧边沿垂直于自身长度方 向的宽度范围包括了该数值范围内的任一点值，例如为1mm、1.5mm、2mm、2.5mm、3mm、3.5mm、4mm或4.5mm。
可选地，所述触摸屏盖板主体的左侧侧边和右侧侧边均为具有弧度的侧边，或者所述触摸屏盖板主体的顶部侧边以及底部侧边均为具有弧度的侧边，或者所述触摸屏盖板主体的左侧侧边、右侧侧边、顶部侧边以及底部侧边均为具有弧度的侧边。
与现有技术相比，本发明的有益效果如下：
首先，利用本发明的磨边刀具既可以对触摸屏盖板进行磨边加工工序、又可以进行钻孔加工工序，能够满足对触摸屏盖板不同位置处的加工需求，能够有效提高加工效率。其次，由于本发明的磨边刀具针对触摸屏盖板的曲面加工分别设置了用于粗略加工的第一弧形倒边区和用于精细加工的第二弧形倒边区，因此能够实现对于曲面触摸屏盖板的精良加工，得到具有更好视觉效果的曲面触摸屏盖板。最后，本发明中得到的曲面触摸屏盖板具有比平面触摸屏盖板更舒适的手感，更加符合人体工程学原理的感观体验和更舒适的穿戴体验。
附图说明
图1是本发明实施例三磨边刀具的结构示意图。
图2是本发明实施例三磨边刀具的放大结构示意图(未示出刀柄)。
图3是本发明实施例三的2.5D曲面触摸屏盖板的结构示意图。
图4是图3中2.5D曲面触摸屏盖板的右视图。
图5是图3中2.5D曲面触摸屏盖板的仰视图。
具体实施方式
在本发明中，术语“上”、“下”、“左”、“右”、“前”、“后”、“顶”、“底”、“内”、“外”、“中”、“竖直”、“水平”、“横向”、“纵向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅用于说明各部件或组成部分之间的相对位置关系，并不特别限定各部件或组成部分的具体安装方位。
并且，上述部分术语除了可以用于表示方位或位置关系以外，还可能用于表示其他含义，例如术语“上”在某些情况下也可能用于表示某种依附关系或连接关系。对于本领域普通技术人员而言，可以根据具体情况理解这些术语在本发明中的具体含义。
此外，术语“安装”、“设置”、“设有”、“连接”、“相连”应做广义理解。例如，可以是固定连接，可拆卸连接，或整体式构造；可以是机械连接，或电连接；可以是直接相连，或者是通过中间媒介间接相连，又或者是两个装置、元件或组成部分之间内部的连通。对于本领域普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
此外，术语“第一”、“第二”等主要是用于区分不同的部件或组成部分，并非用于表明或暗示所指示部件或组成部分的相对重要性和数量。除非另有说明，“多个”的含义为两个或两个以上。
下面结合实施例和附图对本发明的技术方案作进一步的说明。
实施例一
本实施例提供一种用于加工2.5D曲面触摸屏盖板的磨边刀具，所述磨边刀具包括由上至下依次连接的刀柄、粗略加工部、精细加工部以及刀头，其中，所述粗略加工部包括上下相连接的第一弧形倒边区和第一柱体，且所述第一弧形倒边区的上端与所述刀柄连接；所述精细加工部包括由上至下依次连接的第一直边倒边区、第二弧形倒边区以及第二柱体，且所述第一直边倒边区的上端与所述第一柱体相连接、所述第二柱体的下端与所述刀头相连接，所述刀头底部为圆弧形或V字型；其中，所述第一弧形倒边区用于对触摸屏面板的边缘进行粗略曲面加工，所述第二弧形倒边区用于对触摸屏面板的边缘进行精细曲面加工。
实施例二
本实施例提供一种利用实施例一中的磨边刀具加工的2.5D曲面触摸屏，所述曲面触摸屏包括触摸屏盖板主体以及与所述触摸屏盖板主体一体成型的侧边，至少一所述侧边为具有弧度的侧边，且所述具有弧度的侧边采用所述磨边刀具的粗略加工部和精细加工部加工得到，所述侧边的弧度为β，0°＜β≤90°。
实施例三
本实施例提供一种用于加工2.5D曲面触摸屏盖板的磨边刀具，结合图1、图2所示，该磨边刀具包括由上至下依次连接的刀柄1、粗略加工部2、第一连接部3、精细加工部4、第二连接部5以及刀头6，且粗略加工部2、精细加工部4以及刀头6的表面均为电镀金刚砂层，粗略加工部的表面电镀金刚砂层中的金刚砂镀砂均匀分布，且镀砂颗粒分布表 示为400#，精细加工部的表面电镀金刚砂层中的金刚砂镀砂均匀分布，且镀砂颗粒分布表示为1200#。另外，沿该磨边刀具的轴向方向看(即图1中的上下方向)，该磨边刀具的长度为48mm-52mm，粗略加工部2的长度为5mm-5.2mm，精细加工部的长度为7.3mm-7.5mm，刀头4的长度为1.6mm-1.75mm。
在本实施例的磨边刀具中，粗略加工部2包括上下相连接的第一弧形倒边区21和第一柱体22，且第一弧形倒边区21的上端与刀柄1连接。其中，第一弧形倒边区21沿垂直于磨边轴向方向上最宽处的直径(即图2中左右方向的直径)为8mm-9mm，最窄处的直径为5.5mm-6.5mm。在粗略加工部中，通过第一弧形倒边区实现对于触摸屏面板边缘处的粗略曲面加工。
在本实施例的磨边刀具中，精细加工部4包括由上至下依次连接的第一直边倒边区41、第二弧形倒边区42、第二柱体43以及第二直边倒边区44，且第一直边倒边区41的上端通过第一连接部3与第一柱体22相连接、第二直边倒边区44的下端通过第二连接部5与刀头6相连接。其中，第二弧形倒边区42沿垂直于磨边刀具轴向的方向上最宽处的直径(即图2中左右方向的直径)为6mm-7mm，最窄处的直径为2mm-2.5mm。在精细加工部中，通过第二弧形倒边区实现对于触摸屏面板边缘处的精细曲面加工。
在精细加工部4中，第一直边倒边区41包括上下相对且斜向向磨边刀具内部方向收拢设置的第一侧壁411，在收拢的两第一侧壁411之间设有第一倒边槽412。其中，相互收拢的两第一侧壁411的收拢角度为α，α为3°-90°。同时，第一倒边槽412沿轴向方向的长度为2.5mm-3.5mm。第二直边倒边区44包括上下相对且斜向向所述刀具内部方向收拢设置的第二侧壁441，在收拢的两第二侧壁441之间设有第二倒边槽442。
在本实施例的磨边刀具中，刀头6的底部为圆弧形或V字型。
在本实施例的磨边刀具中，刀柄1的外侧壁上设有沿垂直于刀柄轴向方向凸伸出的卡合块11，卡合块11用于使刀柄卡合固定，使刀柄可以配合安装在数控机床的特定加工位置处。
本实施例还提供一种采用上述磨边刀具加工制得的2.5D曲面触摸 屏，如图3所示，该曲面触摸屏包括触摸屏盖板主体100，以及分别位于所述触摸屏盖板主体100四周的左侧侧边201、右侧侧边202、顶部侧边203、底部侧边204。其中，触摸屏盖板主体为具有厚度的平面面板或者为具有厚度的曲面面板。另外，左侧侧边201、右侧侧边202、顶部侧边203、底部侧边204均为弧度β的侧边，弧度β为3°-10°，且各侧边沿垂直于自身长度方向的宽度为d，0mm＜d≤3.5mm。
在本实施例中，利用磨边刀具既可以对触摸屏面板进行磨边加工工序、又可以进行钻孔加工工序，能够满足对触摸屏面板不同位置处的加工需求，能够有效提高加工效率。其次，由于本实施例的磨边刀具针对触摸屏面板的曲面加工分别设置了用于粗略加工的第一弧形倒边区和用于精细加工的第二弧形倒边区，因此能够实现对于曲面触摸屏盖板的精良加工，得到具有更好视觉效果的曲面触摸屏。最后，本发明中得到的曲面触摸屏具有比平面触摸屏更舒适的手感，更加符合人体工程学原理的感观体验和更舒适的穿戴体验。

Claims (10)

  1. 一种用于加工2.5D曲面触摸屏盖板的磨边刀具，其特征在于：所述磨边刀具包括由上至下依次连接的刀柄、粗略加工部、精细加工部以及刀头，其中所述粗略加工部包括上下相连接的第一弧形倒边区和第一柱体，且所述第一弧形倒边区的上端与所述刀柄连接；所述精细加工部包括由上至下依次连接的第一直边倒边区、第二弧形倒边区以及第二柱体，且所述第一直边倒边区的上端与所述第一柱体相连接、所述第二柱体的下端与所述刀头相连接，所述刀头底部为圆弧形或V字型。
  2. 根据权利要求1所述的磨边刀具，其特征在于：所述磨边刀具沿自身轴向的长度为45mm-55mm，所述粗略加工部沿所述磨边刀具轴向的长度为4.8mm-5.5mm，所述精细加工部沿所述磨边刀具轴向的长度为7.2mm-7.6mm，所述刀头沿自身轴向的长度为1.5mm-1.8mm。
  3. 根据权利要求1所述的磨边刀具，其特征在于：所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为8mm-9mm，所述第一弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为5.5mm-6.5mm；所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最宽处的直径为6mm-7mm，所述第二弧形倒边区沿垂直于所述磨边刀具轴向的方向上最窄处的直径为2mm-2.5mm；所述刀头沿垂直于所述磨边刀具轴向的方向上的直径为0.8mm-1.2mm。
  4. 根据权利要求1所述的磨边刀具，其特征在于：在所述第一柱体与所述第一直边倒边区之间设有第一连接部，所述第一连接部使所述第一柱体与所述第一直边倒边区连接；在所述第二柱体下方还设有第二直边倒边区，且所述第二直边倒边区与所述刀头之间设有第二连接部，所述第二连接部使所述第二直边倒边区与所述刀头连接。
  5. 根据权利要求1所述的磨边刀具，其特征在于：在所述精细加工部中，所述第一直边倒边区包括上下相对且斜向朝所述磨边刀具内部方向收拢设置的第一侧壁，在收拢的两所述第一侧壁之间设有第一倒边槽。
  6. 根据权利要求1所述的磨边刀具，其特征在于：相互收拢的两所述第一侧壁的收拢角度为α，3°≤d≤90°，所述第一倒边槽沿轴向方向的长度为2.5mm-3.5mm。
  7. 根据权利要求1所述的磨边刀具，其特征在于：所述第二直边倒 边区包括上下相对且斜向向所述刀具内部方向收拢设置的第二侧壁，在收拢的两所述第二侧壁之间设有第二倒边槽。
  8. 一种利用权利要求1至8任一项所述的磨边刀具加工的2.5D曲面触摸屏盖板，其特征在于：所述2.5D曲面触摸屏盖板包括触摸屏盖板主体以及与所述触摸屏盖板主体一体成型的侧边，至少一所述侧边为具有弧度的侧边，且所述具有弧度的侧边采用所述磨边刀具的粗略加工部和精细加工部加工得到，所述具有弧度的侧边的弧度范围是大于0°且小于或者等于90°。
  9. 根据权利要求8所述的2.5D曲面触摸屏盖板，其特征在于：所述具有弧度的侧边沿垂直于自身长度方向的宽度范围小于或者等于4.5mm。
  10. 根据权利要求9所述的2.5D曲面触摸屏盖板，其特征在于：所述触摸屏盖板主体的左侧侧边和右侧侧边均为具有弧度的侧边，或者所述触摸屏盖板主体的顶部侧边以及底部侧边均为具有弧度的侧边，或者所述触摸屏盖板主体的左侧侧边、右侧侧边、顶部侧边以及底部侧边均为具有弧度的侧边。
PCT/CN2016/101009 2016-07-21 2016-09-30 一种2.5d曲面触摸屏盖板及其磨边刀具 WO2018014448A1 (zh)

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