CN112539731A - Intelligent watch shell 3D arc surface measurement method - Google Patents
Intelligent watch shell 3D arc surface measurement method Download PDFInfo
- Publication number
- CN112539731A CN112539731A CN202011386044.4A CN202011386044A CN112539731A CN 112539731 A CN112539731 A CN 112539731A CN 202011386044 A CN202011386044 A CN 202011386044A CN 112539731 A CN112539731 A CN 112539731A
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- China
- Prior art keywords
- measuring
- intelligent watch
- blank
- cambered surface
- arc surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to a method for measuring a 3D cambered surface of an intelligent watch shell, which comprises the following steps of firstly, carrying out equal-height cutting processing on a blank by using a cutter, processing the blank by using the cutter according to preset parameters, and processing 3D cambered surfaces serving as the left side and the right side of the intelligent watch shell on the blank; and step two, processing two first measuring surfaces on the blank by using the cutter in the step one and according to the preset parameters, wherein the first measuring surfaces are curved surfaces and are intersected with the 3D cambered surface, the lowest point at the center of the 3D cambered surface is the intersection point of the first measuring surfaces and the 3D cambered surface, and the curvatures of the first measuring surfaces and the 3D cambered surface at the intersection point are equal. The invention provides a 3D cambered surface measuring method of an intelligent watch shell, which can detect a 3D cambered surface without using expensive 3D measuring equipment, and compared with the traditional 3D measuring equipment, the method has the advantages that the detection efficiency is obviously improved, the product quality is ensured, and the production cost is effectively controlled.
Description
Technical Field
The invention relates to the field of intelligent watches, in particular to a method for measuring a 3D arc surface of an intelligent watch shell.
Background
With the development of electronic products, smart watches gradually enter the lives of people. At present, the intelligent wrist-watch on the market, the casing material is diversified, and wherein the aluminum alloy is one of the important material that constitutes intelligent wrist-watch, nevertheless because the aluminum alloy is when making the 3D arc face of intelligent wrist-watch outward appearance, forging and pressing can make the heterochrosis behind the positive pole, influences the product quality. The section bar is selected and then CNC machining is carried out to manufacture the 3D cambered surface, and the machined 3D cambered surface needs to be measured. The measuring items mainly comprise two items, namely 1, measuring whether the profile tolerance OK of the 3D surface exists or not, and 2, measuring whether the 3D surface deviates after being processed or not. As shown in fig. 5, the conventional measurement process uses 3-dimensional measurement, 30 minutes is required for measurement after machine adjustment, the detection time is long, the machine adjustment efficiency is low, the equipment price is high, the economy is poor, and improvement is urgently needed.
Disclosure of Invention
In view of this, the invention provides a method for measuring a 3D arc surface of an intelligent watch case, which can detect the 3D arc surface without using expensive 3-dimensional measuring equipment, and compared with the conventional 3-dimensional measuring equipment, the method has the advantages that the detection efficiency is remarkably improved, the product quality is ensured, and the production cost is effectively controlled.
The purpose of the invention is realized by the following technical scheme:
A3D arc surface measuring method for an intelligent watch shell comprises the following steps:
firstly, carrying out equal-height cutting processing on a blank by using a cutter, processing the blank by using the cutter according to preset parameters, and processing 3D cambered surfaces serving as the left side and the right side of the intelligent watch shell on the blank;
step two, using the cutter in the step one and processing two first measuring surfaces on the blank according to the preset parameters, wherein the first measuring surfaces are curved surfaces and are intersected with the 3D cambered surface, the lowest point of the center of the 3D cambered surface is the intersection point of the first measuring surfaces and the 3D cambered surface, and the curvatures of the first measuring surfaces and the 3D cambered surface at the intersection point are equal; and measuring the two first measuring surfaces by using a position degree measuring instrument to judge whether the profile degree of the 3D cambered surface is qualified or not and the position degree of the center of the product.
Preferably, the method further comprises a third step of processing two second measuring surfaces on the blank by using the cutter in the first step and according to the preset parameters, wherein the second measuring surfaces are planes and are tangent to the lowest point at the center of the 3D cambered surface; and measuring the distance between the two second measuring surfaces by using a micrometer, wherein the distance is the transverse length of the intelligent watch shell.
Preferably, the method further comprises a fourth step of processing a measuring groove on the blank by using the cutter in the first step and according to the preset parameters, wherein the height of the bottom surface of the measuring groove is flush with the height of the lowest point of the 3D cambered surface; and measuring the height of the measuring groove by using a height gauge, namely the actual height of the 3D cambered surface.
Preferably, the micrometer can also directly measure the longitudinal length of the intelligent watch shell.
Preferably, the preset parameters comprise rotating speed, feeding, cutting depth and cutting path.
Preferably, in the second step, when the position degree measuring instrument is used for measuring the two first measuring surfaces, the blank is reversely buckled on the rotary fixture, the upper surface of the rotary fixture is provided with a circular protrusion, and the upper part of the outer wall of the circular protrusion is provided with an inclined surface.
Compared with the prior art, the invention has the beneficial effects that:
according to the method for measuring the 3D cambered surface of the intelligent watch shell, detection of the profile degree and the position degree of the 3D cambered surface can be completed without a traditional 3-dimensional measuring device in a detection room and by matching with simpler measuring tools such as a rotary clamp, a position degree measuring instrument, a micrometer, a height gauge and the like, the result can be rapidly detected directly on a CNC (computer numerical control) device, the detection cost is low, the detection efficiency is high, the detection accuracy is guaranteed, and huge economic benefits can be created for enterprises.
Drawings
Fig. 1 is a structural diagram of a 3D arc surface of a case of an intelligent watch according to an embodiment of the present invention.
FIG. 2 is a schematic view of the machining of a tool according to an embodiment of the present invention.
FIG. 3 is a schematic view of the machining of a tool according to an embodiment of the present invention.
Fig. 4 is a structural diagram of a rotary jig according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of 3-dimensional measurement of a 3D arc surface of an intelligent watch case in the background art.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1-4, an embodiment of the invention includes:
A3D cambered surface 3 measuring method of an intelligent watch shell comprises the following steps:
firstly, carrying out equal-height cutting processing on a blank 2 by using a cutter 1, processing the blank 2 by using the cutter 1 according to preset parameters, and processing 3D cambered surfaces 3 serving as the left side and the right side of the intelligent watch shell on the blank 2; the preset parameters comprise rotating speed, feeding, cutting depth and cutting path. In this embodiment, the rotation speed S15000 and the feed F2500 are set such that the cutting path has an arc-shaped middle section and smooth curved surfaces at both ends per Q0.1MM of the cutting depth.
Step two, processing two first measuring surfaces 4 on the blank 2 by using the cutter 1 in the step one and according to preset parameters, wherein the first measuring surfaces 4 are curved surfaces and are intersected with the 3D arc surface 3, the lowest point of the center of the 3D arc surface 3 is the intersection point of the first measuring surfaces 4 and the 3D arc surface 3, and the curvatures of the first measuring surfaces 4 and the 3D arc surface 3 at the intersection point are equal; and measuring the two first measuring surfaces 4 by using a position measuring instrument 5 to judge whether the profile degree of the 3D arc surface 3 is qualified or not and the position degree of the center of the product. The position degree measuring instrument firstly measures and returns to zero one of the two first measuring surfaces, then the blank rotates 180 degrees, and the position degree measuring instrument measures the other one of the two first measuring surfaces, in the embodiment, the measured value is required to be qualified within 0.015mm, namely the item can be judged to be qualified within 0.01mm, 0.00mm and the like, and the item is judged to be unqualified if the measured value exceeds 0.015 mm.
When using position degree measuring apparatu 5 survey two first measuring surfaces 4, 2 back-offs of stock are on rotary fixture 8, and rotary fixture 8 upper surface has the ring arch, and the protruding outer wall upper portion of ring sets up to the inclined plane, thereby the lateral wall of 3D cambered surface and the protruding outer wall of ring are nested each other and are realized firm the connection, guarantee that the product level that awaits measuring is placed, ensure the accuracy of position degree measuring apparatu survey data.
Step three, processing two second measuring surfaces 6 on the blank 2 by using the cutter 1 in the step one and according to preset parameters, wherein the second measuring surfaces 6 are planes and are tangent to the lowest point at the center of the 3D cambered surface 3; the micrometer is used for measuring the distance between the two second measuring surfaces 6, the distance is the transverse length of the intelligent watch shell, and the micrometer can also be used for directly measuring the longitudinal length of the intelligent watch shell. The central area of the smart watch case is circular, so its lateral and longitudinal lengths should be equal. In the embodiment, the tolerance requirement of micrometer measurement is 41.00 +/-0.01 mm, namely 41.00mm, 41.01mm and 40.99mm can be judged as qualified products; if the thickness is higher than 41.01mm or lower than 40.99mm, the product is unqualified.
Step four, machining a measuring groove 7 on the blank 2 by using the cutter 1 in the step one and according to preset parameters, wherein the height of the bottom surface of the measuring groove 7 is flush with the height of the lowest point of the 3D cambered surface 3; and measuring the height of the measuring groove 7 by using a height gauge, namely the actual height of the 3D cambered surface 3. In this embodiment, the data measured by the height gauge is within the range of 0.20 ± 0.01mm, i.e. acceptable products, such as 0.20mm, 0.21mm, 0.19mm, can be determined as acceptable products; if the thickness is higher than 0.21mm or lower than 0.19mm, the product is rejected.
The intelligent watch shell 3D cambered surface measuring method of this embodiment, need not to send the detection room and need not through traditional 3 yuan measuring equipment, the detection of 3D cambered surface profile degree and position degree just can be accomplished to comparatively simple and easy measuring tool such as cooperation rotating fixture, position degree measuring apparatu, micrometer, height gage, direct just can the short-term test result on CNC equipment edge, detect with low costs, and detection efficiency is high, it is secure to detect the accuracy, can create huge economic benefits for the enterprise.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The method for measuring the 3D arc surface of the intelligent watch shell is characterized by comprising the following steps of:
firstly, carrying out equal-height cutting processing on a blank by using a cutter, processing the blank by using the cutter according to preset parameters, and processing 3D cambered surfaces serving as the left side and the right side of the intelligent watch shell on the blank;
step two, using the cutter in the step one and processing two first measuring surfaces on the blank according to the preset parameters, wherein the first measuring surfaces are curved surfaces and are intersected with the 3D cambered surface, the lowest point of the center of the 3D cambered surface is the intersection point of the first measuring surfaces and the 3D cambered surface, and the curvatures of the first measuring surfaces and the 3D cambered surface at the intersection point are equal; and measuring the two first measuring surfaces by using a position degree measuring instrument to judge whether the profile degree of the 3D cambered surface is qualified or not and the position degree of the center of the product.
2. The method for measuring the 3D arc surface of the intelligent watch case according to claim 1, further comprising a third step of machining two second measuring surfaces on the blank by using the cutter in the first step and according to the preset parameters, wherein the second measuring surfaces are planes and are tangent to the lowest point at the center of the 3D arc surface; and measuring the distance between the two second measuring surfaces by using a micrometer, wherein the distance is the transverse length of the intelligent watch shell.
3. The intelligent watch case 3D arc surface measuring method according to claim 1 or 2, characterized by further comprising a fourth step of machining a measuring groove on the blank by using the cutter in the first step and according to the preset parameters, wherein the height of the bottom surface of the measuring groove is flush with the height of the lowest point of the 3D arc surface; and measuring the height of the measuring groove by using a height gauge, namely the actual height of the 3D cambered surface.
4. The intelligent watch case 3D arc surface measuring method according to claim 2, wherein the micrometer can also directly measure the longitudinal length of the intelligent watch case.
5. The intelligent watch case 3D arc surface measurement method according to claim 3, wherein the preset parameters include rotation speed, feed, cut depth, and cutting path.
6. The method for measuring the 3D arc surface of the intelligent watch case according to claim 1, wherein in the second step, when the position degree measuring instrument is used for measuring two first measuring surfaces, the blank is reversely buckled on a rotating clamp, the upper surface of the rotating clamp is provided with a circular bulge, and the upper part of the outer wall of the circular bulge is provided with an inclined surface.
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| CN202011386044.4A CN112539731B (en) | 2020-12-02 | 2020-12-02 | Intelligent watch shell 3D arc surface measurement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386044.4A CN112539731B (en) | 2020-12-02 | 2020-12-02 | Intelligent watch shell 3D arc surface measurement method |
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| CN112539731A true CN112539731A (en) | 2021-03-23 |
| CN112539731B CN112539731B (en) | 2022-03-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1501683A (en) * | 1974-04-09 | 1978-02-22 | Schlumberger Ltd | Borehole apparatus having cambered leaf springs for positioning the apparatus in the borehole |
| CN101992238A (en) * | 2009-08-06 | 2011-03-30 | Cml国际有限公司 | Method of measuring length of sections of extrados or intrados curves of elongated workpiece, and relevant length measuring instrument |
| JP2014048242A (en) * | 2012-09-03 | 2014-03-17 | Hoya Corp | Ophthalmic lens manufacturing method and ophthalmic lens evaluation method |
| CN204421817U (en) * | 2015-02-12 | 2015-06-24 | 青岛金铄机电设计有限公司 | A kind of pick-up unit of cambered surface workpiece |
| CN110110420A (en) * | 2019-04-28 | 2019-08-09 | 厦门理工学院 | A kind of hourglass worm Gear shape process modeling method, device and equipment |
-
2020
- 2020-12-02 CN CN202011386044.4A patent/CN112539731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1501683A (en) * | 1974-04-09 | 1978-02-22 | Schlumberger Ltd | Borehole apparatus having cambered leaf springs for positioning the apparatus in the borehole |
| CN101992238A (en) * | 2009-08-06 | 2011-03-30 | Cml国际有限公司 | Method of measuring length of sections of extrados or intrados curves of elongated workpiece, and relevant length measuring instrument |
| JP2014048242A (en) * | 2012-09-03 | 2014-03-17 | Hoya Corp | Ophthalmic lens manufacturing method and ophthalmic lens evaluation method |
| CN204421817U (en) * | 2015-02-12 | 2015-06-24 | 青岛金铄机电设计有限公司 | A kind of pick-up unit of cambered surface workpiece |
| CN110110420A (en) * | 2019-04-28 | 2019-08-09 | 厦门理工学院 | A kind of hourglass worm Gear shape process modeling method, device and equipment |
Non-Patent Citations (1)
| Title |
|---|
| 罗卫强等: "智能手机壳体车铣复合加工系统设计", 《自动化与信息工程》 * |
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| CN112539731B (en) | 2022-03-22 |
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