CN110411382B - Device and method for detecting flatness of front shell of optical full-detection mobile phone - Google Patents
Device and method for detecting flatness of front shell of optical full-detection mobile phone Download PDFInfo
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- CN110411382B CN110411382B CN201910791447.8A CN201910791447A CN110411382B CN 110411382 B CN110411382 B CN 110411382B CN 201910791447 A CN201910791447 A CN 201910791447A CN 110411382 B CN110411382 B CN 110411382B
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- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004579 marble Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to the field of mobile phone manufacturing, in particular to an optical full-detection mobile phone front shell flatness device and a detection method, comprising a transverse moving bracket which is slidably arranged on a rack, wherein a 3D scanning head is arranged on the transverse moving bracket, and the device also comprises a 3D modeling processing unit which is matched with the 3D scanning head for use; the frame is provided with a positioning jig for positioning a product to be measured, the product to be measured is arranged on the positioning jig and then positioned in the scanning range of the 3D scanning head, and the method comprises the following steps: scanning qualified samples for modeling, determining a flatness reference datum plane and a flatness detection point position, determining a flatness detection standard value, setting a compensation value detected by equipment, scanning a product to be detected, and determining whether the product to be detected is qualified or not. The invention has the advantages that: compared with manual detection in the prior art, the method reduces the manual labor intensity, has smaller error and higher efficiency, saves a large amount of labor cost, and has lower overall cost.
Description
Technical Field
The invention relates to the field of mobile phone manufacturing, in particular to an optical full-detection mobile phone front shell flatness device and a detection method.
Background
In the plastic structural part of the mobile phone, the injection molding process of the front shell of the mobile phone is as follows: after the plastic and steel sheet are used for forming the front shell of the mobile phone, the internal and external planeness of the front shell exceeds the standard due to the factors of high temperature, stress, external force and the like of part of the front shell; at present, good products are selected by manually measuring the inner flatness and the outer flatness of a front shell in a forming and delivering section, so that the problems of high labor intensity, high manual measurement error, low productivity, high labor cost and the like are caused.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the technical problems of high labor intensity, large error, low efficiency and high cost in the flatness detection of the front shell of the mobile phone in the prior art are solved.
The invention solves the technical problems by the following technical means: the flatness device for the front shell of the optical full-detection mobile phone comprises a transverse moving bracket which is slidably arranged on a rack, wherein a 3D scanning head is arranged on the transverse moving bracket, and the flatness device also comprises a 3D modeling processing unit which is matched with the 3D scanning head for use;
the machine frame is provided with a positioning jig for positioning the product to be measured, and the product to be measured is arranged on the positioning jig and then positioned in the scanning range of the 3D scanning head.
When the flatness device for the front shell of the optical full-detection mobile phone is practically applied, firstly, a qualified sample is arranged on a positioning jig, a 3D scanning head is driven to move by a moving transverse support, and a standard sample is scanned by the 3D scanning head; the 3D scanning head transmits the acquired data to a 3D modeling processing unit, and the 3D modeling processing unit carries out 3D modeling on the standard sample; establishing a flatness reference datum plane according to a product structure, selecting product flatness detection points, and setting flatness detection standard values of each flatness detection point relative to the flatness reference datum plane; according to the difference between the actual measured value and the machine measured value, setting a compensation value detected by the equipment, wherein the compensation value is used for being added into a later machine measured value to serve as a final detection value, and finishing the equipment tuning work; taking down the qualified sample, mounting the product to be detected on a positioning jig, and moving the transverse moving bracket to drive the 3D scanning head to move, wherein the 3D scanning head scans the product to be detected; the 3D scanning head transmits the acquired data to a 3D modeling processing unit, the 3D modeling processing unit detects the flatness of a specific flatness detection point phase of a product relative to a flatness reference datum plane, the detection result is a machine measurement value, then a compensation value is added into the machine measurement value to be used as a final detection value, then the detection value is compared with a flatness detection standard value, and when the detection value is smaller than or equal to the flatness detection standard value, the product is qualified, otherwise, the product is unqualified; compared with manual detection in the prior art, the method reduces the manual labor intensity, has smaller error and higher efficiency, saves a large amount of labor cost, and has lower overall cost.
Preferably, a first transverse guide rail is arranged on the frame, and a first sliding block matched with the first guide rail is arranged on the transverse support. In practical application, when the transverse moving support is operated to move through external force, the transverse moving support can move along the first guide rail by means of the first sliding block, and the first guide rail can provide accurate guidance for the movement of the transverse moving support, so that the 3D scanning head can accurately scan a product to be detected.
Preferably, a driving mechanism capable of driving the transverse moving support to move is further arranged on the frame. The driving mechanism can provide power for the movement of the transverse moving support, so that the labor intensity of operators is further reduced, and the movement of the transverse moving support is more flexible.
Preferably, the driving mechanism comprises a driving motor arranged on the frame and a screw rod connected to an output shaft of the driving motor, the screw rod is arranged in parallel with the first guide rail, and the screw rod is screwed with the first sliding block or the transverse moving bracket. According to actual demand, control driving motor work, driving motor then drives the lead screw and rotates, and then moves through lead screw drive sideslip support to realize the complete scanning of 3D scanning head to the product of treating the test, structure, principle are comparatively simple, and the control of being convenient for, the operation is reliable.
Preferably, the motor driving device further comprises a control unit, and the driving motor is connected to and controlled by the control unit. The control unit is programmed to realize corresponding control so that the driving motor works at a specific time and further meets the movement requirement.
Optimally, be provided with the second guide rail along vertical direction on the sideslip support, slidable mounting has the second slider on the second guide rail, and the 3D scanning head is installed on the second slider, just be provided with the bolt on the second slider, the bolt screws in the second slider, and the head of bolt pushes up on the second guide rail. In practical application, the sizes of products to be detected are not identical, in order to ensure that the 3D scanning head can completely scan the products, the distance between the 3D scanning head and the products to be detected needs to be adjusted according to practical requirements, specifically, the bolts are unscrewed, then the positions of the second sliding blocks are adjusted, and then the bolts are screwed down.
Preferably, the second sliding block is further provided with an angle adjusting plate, the 3D scanning head is mounted on the angle adjusting plate, and the angle adjusting plate is mounted on the second sliding block through a bolt. In practical application, some products to be tested have inclined planes, and the scanning direction of the 3D scanning head is required to be perpendicular to the plane to be tested in practical scanning, so in practical application, the bolt is unscrewed, and then the 3D scanning head is adjusted by a certain angle along with the angle adjusting plate, so that the 3D scanning head can be ensured to scan the plane to be tested normally.
Preferably, the angle adjusting plate is provided with an arc waist-shaped hole, and the bolt is inserted into the arc waist-shaped hole and is arranged on the second sliding block. In practical application, after unscrewing the bolt, the position of adjustable arc waist type hole for the bolt, and then the scanning angle of adjusting 3D scanning head, easy operation, convenience.
Preferably, two 3D scanning heads are arranged, the two 3D scanning heads are respectively positioned at the upper side and the lower side of the positioning jig, and the product to be measured is positioned in the scanning range of the two 3D scanning heads after being mounted on the positioning jig. The two 3D scanning heads are arranged, and the two 3D scanning heads can be matched for application, so that the flatness of different planes can be detected simultaneously, and the detection efficiency is high.
The invention also discloses a detection method for the flatness device of the front shell of the optical full-detection mobile phone, which comprises the following steps:
A. installing a qualified sample on the positioning jig, and moving the transverse moving bracket to drive the 3D scanning head to move, wherein the 3D scanning head scans the standard sample;
B. the 3D scanning head transmits the acquired data to a 3D modeling processing unit, and the 3D modeling processing unit carries out 3D modeling on the standard sample;
C. establishing a flatness reference datum plane according to a product structure, selecting product flatness detection points, and setting flatness detection standard values of each flatness detection point relative to the flatness reference datum plane;
D. setting a compensation value detected by the equipment according to the difference between the actual measurement value and the machine measurement value;
E. mounting a product to be detected on a positioning jig, and moving a transverse moving bracket to drive a 3D scanning head to move, wherein the 3D scanning head scans the product to be detected;
F. the 3D scanning head transmits the acquired data to the 3D modeling processing unit, the 3D modeling processing unit detects the flatness of the specific flatness detection point phase of the product relative to the flatness reference datum plane to obtain a machine measurement value, the compensation value is added into the machine measurement value to be used as a final detection value, then the detection value is compared with the flatness detection standard value, and the product is qualified when the detection value is smaller than or equal to the flatness detection standard value, otherwise the product is unqualified.
Compared with manual detection in the prior art, the detection method for the flatness device of the front shell of the optical full-detection mobile phone reduces the manual labor intensity, has smaller error and higher efficiency, saves a large amount of labor cost, and has lower overall cost.
The invention has the advantages that:
1. when the flatness device for the front shell of the optical full-detection mobile phone is practically applied, firstly, a qualified sample is arranged on a positioning jig, a 3D scanning head is driven to move by a moving transverse support, and a standard sample is scanned by the 3D scanning head; the 3D scanning head transmits the acquired data to a 3D modeling processing unit, and the 3D modeling processing unit carries out 3D modeling on the standard sample; establishing a flatness reference datum plane according to a product structure, selecting product flatness detection points, and setting flatness detection standard values of each flatness detection point relative to the flatness reference datum plane; according to the difference between the actual measured value and the machine measured value, setting a compensation value detected by the equipment, wherein the compensation value is used for being added into a later machine measured value to serve as a final detection value, and finishing the equipment tuning work; taking down the qualified sample, mounting the product to be detected on a positioning jig, and moving the transverse moving bracket to drive the 3D scanning head to move, wherein the 3D scanning head scans the product to be detected; the 3D scanning head transmits the acquired data to a 3D modeling processing unit, the 3D modeling processing unit detects the flatness of a specific flatness detection point phase of a product relative to a flatness reference datum plane, the detection result is a machine measurement value, then a compensation value is added into the machine measurement value to be used as a final detection value, then the detection value is compared with a flatness detection standard value, and when the detection value is smaller than or equal to the flatness detection standard value, the product is qualified, otherwise, the product is unqualified; compared with manual detection in the prior art, the method reduces the manual labor intensity, has smaller error and higher efficiency, saves a large amount of labor cost, and has lower overall cost.
2. In practical application, when the transverse moving support is operated to move through external force, the transverse moving support can move along the first guide rail by means of the first sliding block, and the first guide rail can provide accurate guidance for the movement of the transverse moving support, so that the 3D scanning head can accurately scan a product to be detected.
3. The driving mechanism can provide power for the movement of the transverse moving support, so that the labor intensity of operators is further reduced, and the movement of the transverse moving support is more flexible.
4. According to actual demand, control driving motor work, driving motor then drives the lead screw and rotates, and then moves through lead screw drive sideslip support to realize the complete scanning of 3D scanning head to the product of treating the test, structure, principle are comparatively simple, and the control of being convenient for, the operation is reliable.
5. The control unit is programmed to realize corresponding control so that the driving motor works at a specific time and further meets the movement requirement.
6. In practical application, the sizes of products to be detected are not identical, in order to ensure that the 3D scanning head can completely scan the products, the distance between the 3D scanning head and the products to be detected needs to be adjusted according to practical requirements, specifically, the bolts are unscrewed, then the positions of the second sliding blocks are adjusted, and then the bolts are screwed down.
7. In practical application, some products to be tested have inclined planes, and the scanning direction of the 3D scanning head is required to be perpendicular to the plane to be tested in practical scanning, so in practical application, the bolt is unscrewed, and then the 3D scanning head is adjusted by a certain angle along with the angle adjusting plate, so that the 3D scanning head can be ensured to scan the plane to be tested normally.
8. In practical application, after unscrewing the bolt, the position of adjustable arc waist type hole for the bolt, and then the scanning angle of adjusting 3D scanning head, easy operation, convenience.
9. The two 3D scanning heads are arranged, and the two 3D scanning heads can be matched for application, so that the flatness of different planes can be detected simultaneously, and the detection efficiency is high.
10. Compared with manual detection in the prior art, the detection method for the flatness device of the front shell of the optical full-detection mobile phone reduces the manual labor intensity, has smaller error and higher efficiency, saves a large amount of labor cost, and has lower overall cost.
Drawings
FIG. 1 is a schematic view of an optical full inspection mobile phone front shell flatness device with a shell removed in accordance with a first embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic view of a screw-driven traversing carriage according to an embodiment of the present invention;
FIG. 4 is a schematic view of an optical full inspection mobile phone front shell flatness device with a shell removed from another view angle according to an embodiment of the present invention;
FIG. 5 is a perspective view of a flatness apparatus for a front housing of an optical full inspection mobile phone according to a first embodiment of the present invention;
wherein,
a frame-1, a first guide rail-11;
the transverse moving support-2, the first sliding block-21, the second guide rail-22, the second sliding block-23 and the angle adjusting plate-24;
bolt-231, arc waist-shaped hole-241;
3D scanning head-3;
positioning a jig-4;
a driving motor-5;
a lead screw-6;
marble platform-7;
a housing-8, a display screen-81;
an operating table-9.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1, 2 and 4, the flatness device for the front shell of the optical full-detection mobile phone comprises a frame 1, a transverse support 2, a 3D scanning head 3, a positioning jig 4, a 3D modeling processing unit and a control unit.
The frame 1 is mainly used for providing support for other parts, and then realizes the installation between each part, and the frame 1 is not limited to specific shape, as long as can satisfy the assembly together of different parts according to the requirement.
As shown in fig. 1, 2 and 4, the traversing support 2 is a support for mounting the 3D scanning head 3, the traversing support 2 is slidably mounted on the frame 1, specifically, a first rail 11 is disposed on the frame 1, a first slider 21 matched with the first rail 11 is disposed on the traversing support 2, and the first slider 21 is mounted on the first rail 11.
Further, as shown in fig. 3, the frame 1 is further provided with a driving mechanism capable of driving the traversing support 2 to move, the driving mechanism includes a driving motor 5 disposed on the frame 1, and a lead screw 6 connected to an output shaft of the driving motor 5, the lead screw 6 is disposed parallel to the first guide rail 11, and the lead screw 6 is screwed with the first slider 21 or the traversing support 2, in this embodiment, the lead screw 6 is screwed with the first slider 21.
The control unit is connected to and controlled by the driving motor 5, and specifically, in this embodiment, the control unit adopts a PLC, which is a prior art, and a person skilled in the art programs the PLC, so that corresponding control can be achieved.
As shown in fig. 1, 2 and 4, the traversing support 2 is provided with a 3D scanning head 3, and further includes a 3D modeling processing unit that is used in cooperation with the 3D scanning head 3, in this embodiment, the 3D scanning head 3 and the 3D modeling processing unit are in the prior art, and have functions of three-dimensional modeling and flatness detection, and are implemented by software programming, the traversing support 2 is provided with a second guide rail 22 along a vertical direction, the second guide rail 22 is slidably provided with a second slider 23,3D, the scanning head 3 is mounted on the second slider 23, and the second slider 23 is provided with a bolt 231, the bolt 231 is screwed into the second slider 23, and the head of the bolt 231 is propped against the second guide rail 22.
As shown in fig. 1, 2 and 4, the second slider 23 is further provided with an angle adjusting plate 24, the 3D scanning head 3 is mounted on the angle adjusting plate 24, the angle adjusting plate 24 is mounted on the second slider 23 through a bolt, the angle adjusting plate 24 is a vertically arranged flat plate, the angle adjusting plate 24 is provided with an arc waist-shaped hole 241, the bolt is inserted into the arc waist-shaped hole 241 and the angle adjusting plate 24 is mounted on the second slider 23, in this embodiment, each angle adjusting plate 24 is provided with two arc waist-shaped holes 241, the circle centers of the two arc waist-shaped holes 241 are located below the arc waist-shaped holes 241, and the two arc waist-shaped holes 241 are distributed up and down.
As shown in fig. 1, 2 and 4, a positioning jig 4 for positioning a product to be tested is arranged on the rack 1, the product to be tested is arranged on the positioning jig 4 and then is located in the scanning range of the 3D scanning head 3, the positioning jig 4 is used for positioning the product to be tested, and is not limited to a specific shape, in this embodiment, the positioning jig 4 comprises a horizontally-installed bottom plate, rectangular protrusions are arranged on the bottom plate, in practical application, the rectangular protrusions are matched with an inner frame of the product to be tested, so that the effect of positioning the product to be tested is achieved, a plurality of positioning jigs 4 can be arranged according to practical requirements, in this embodiment, two positioning jigs 4 are arranged, and the two positioning jigs 4 are distributed according to the moving direction of the transverse moving bracket 2.
Further, as shown in fig. 4, two 3D scanning heads 3 are disposed, the two 3D scanning heads 3 are respectively located at the upper and lower sides of the positioning jig 4, and the product to be measured is located in the scanning range of the two 3D scanning heads 3 after being mounted on the positioning jig 4, in this embodiment, the 3D scanning heads 3, the angle adjusting plate 24, the second slider 23 and the second guide rail 22 at the two sides of the positioning jig 4 are symmetrical with respect to the positioning jig 4, in this case, the upper and lower sides of the positioning jig 4 are both provided with positioning components for positioning the product, or through holes are formed on the positioning jig 4 to ensure that the 3D scanning heads 3 below can scan the product to be measured, thereby realizing synchronous detection at the upper and lower sides.
Further, as shown in fig. 1, 4 and 5, the marble platform 7 is further disposed on the frame 1, the marble platform 7 is in a cuboid shape, a part of the frame 1 for mounting the traversing support 2 and the 3D scanning head 3 is disposed on the marble platform 7, and meanwhile, the positioning jig 4 is also mounted on the marble platform 7, the marble platform 7 is uniform in texture, good in stability, high in strength and high in hardness, can maintain high precision under heavy load, is suitable for measurement work, and ensures accuracy of detection results.
Further, as shown in fig. 5, the device further comprises a housing 8, an opening is arranged on one surface of the housing 8 facing an operator for the operator to take and place a product to be tested, an operation table 9 is arranged at the opening, a display screen 81 is arranged on the housing 8 above the opening, the display screen 81 is used for displaying the working state of the device, and meanwhile, the detection result can be displayed on the display screen 81.
Embodiment two:
the invention also discloses a detection method for the flatness device of the front shell of the optical full-detection mobile phone, which comprises the following steps:
A. a qualified sample is arranged on the positioning jig 4, a command is given to the driving motor 5 through the control unit, the driving motor 5 drives the screw rod 6 to rotate, the screw rod 6 drives the traversing bracket 2 to move along the first guide rail 11, the traversing bracket 2 drives the 3D scanning head 3 to move, and the 3D scanning head 3 scans the standard sample;
B. the 3D scanning head 3 transmits acquired data to a 3D modeling processing unit, and the 3D modeling processing unit carries out 3D modeling on the standard sample;
C. establishing a flatness reference datum plane according to a product structure, selecting product flatness detection points, and setting flatness detection standard values of each flatness detection point relative to the flatness reference datum plane;
D. according to the difference between the actual measured value and the machine measured value, setting a compensation value detected by the equipment, wherein the compensation value is used for being added into a later machine measured value to be used as a final detection value to finish the equipment dispatching work;
E. taking down the qualified sample, mounting the product to be tested on the positioning jig 4, giving an instruction to the driving motor 5 through the control unit, driving the screw rod 6 to rotate by the driving motor 5, driving the traversing bracket 2 to move along the first guide rail 11 by the screw rod 6, driving the 3D scanning head 3 to move by the traversing bracket 2, and scanning the product to be tested by the 3D scanning head 3;
F. the 3D scanning head 3 transmits the acquired data to a 3D modeling processing unit, the 3D modeling processing unit detects the flatness of a specific flatness detection point phase of a product relative to a flatness reference datum plane to obtain a machine measurement value, then a compensation value is added into the machine measurement value to be used as a final detection value, then the detection value is compared with a flatness detection standard value, and when the detection value is smaller than or equal to the flatness detection standard value, the product is qualified, otherwise, the product is unqualified;
G. and (5) repeating the step E, F to realize the flatness detection of the product to be detected.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a shell flatness device before optics total inspection cell-phone which characterized in that: the device comprises a transverse moving bracket (2) which is slidably arranged on a frame (1), wherein a 3D scanning head (3) is arranged on the transverse moving bracket (2), and the device also comprises a 3D modeling processing unit which is matched with the 3D scanning head (3);
the machine frame (1) is provided with a positioning jig (4) for positioning a product to be detected, and the product to be detected is arranged on the positioning jig (4) and then positioned in the scanning range of the 3D scanning head (3);
a first transverse guide rail (11) is arranged on the frame (1), and a first sliding block (21) matched with the first guide rail (11) is arranged on the transverse support (2);
the device is characterized in that a second guide rail (22) along the vertical direction is arranged on the transverse moving support (2), a second sliding block (23) is slidably arranged on the second guide rail (22), a 3D scanning head (3) is arranged on the second sliding block (23), a bolt (231) is arranged on the second sliding block (23), the bolt (231) is screwed into the second sliding block (23), the head of the bolt (231) is propped against the second guide rail (22), an angle adjusting plate (24) is further arranged on the second sliding block (23), the 3D scanning head (3) is arranged on the angle adjusting plate (24), the angle adjusting plate (24) is arranged on the second sliding block (23) through the bolt, an arc waist-shaped hole (241) is formed in the angle adjusting plate (24), and the bolt is inserted into the arc waist-shaped hole (241) and the angle adjusting plate (24) is arranged on the second sliding block (23);
the two 3D scanning heads (3) are arranged, the two 3D scanning heads (3) are respectively positioned at the upper side and the lower side of the positioning jig (4), and a product to be measured is positioned in the scanning range of the two 3D scanning heads (3) after being arranged on the positioning jig (4).
2. The flatness apparatus of a front case of an optical total inspection mobile phone according to claim 1, wherein: the frame (1) is also provided with a driving mechanism capable of driving the transverse moving support (2) to move.
3. The flatness apparatus of a front case of an optical total inspection mobile phone according to claim 2, wherein: the driving mechanism comprises a driving motor (5) arranged on the frame (1) and a screw rod (6) connected to an output shaft of the driving motor (5), the screw rod (6) is arranged in parallel with the first guide rail (11), and the screw rod (6) is screwed with the first sliding block (21) or the transverse moving support (2).
4. The flatness apparatus of a front housing of an optical total inspection mobile phone according to claim 3, wherein: the motor drive system further comprises a control unit, wherein the driving motor (5) is connected to and controlled by the control unit.
5. A method for detecting flatness of a front casing of an optical full-detection mobile phone according to any one of claims 1 to 4, comprising the steps of: the method comprises the following steps:
A. installing a qualified sample on the positioning jig (4), and moving the transverse moving bracket (2) to drive the 3D scanning head (3) to move, wherein the 3D scanning head (3) scans the standard sample;
B. the 3D scanning head (3) transmits acquired data to the 3D modeling processing unit, and the 3D modeling processing unit carries out 3D modeling on the standard sample;
C. establishing a flatness reference datum plane according to a product structure, selecting product flatness detection points, and setting flatness detection standard values of each flatness detection point relative to the flatness reference datum plane;
D. setting a compensation value detected by the equipment according to the difference between the actual measurement value and the machine measurement value;
E. mounting a product to be detected on a positioning jig (4), and moving the transverse moving bracket (2) to drive the 3D scanning head (3) to move, wherein the 3D scanning head (3) scans the product to be detected;
F. the 3D scanning head (3) transmits the acquired data to the 3D modeling processing unit, the 3D modeling processing unit detects the flatness of the specific flatness detection point phase of the product relative to the flatness reference datum plane, a machine measurement value is obtained, a compensation value is added into the machine measurement value to be used as a final detection value, then the detection value is compared with a flatness detection standard value, and when the detection value is smaller than or equal to the flatness detection standard value, the product is qualified, and otherwise, the product is unqualified.
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| CN201910791447.8A CN110411382B (en) | 2019-08-26 | 2019-08-26 | Device and method for detecting flatness of front shell of optical full-detection mobile phone |
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| CN201910791447.8A CN110411382B (en) | 2019-08-26 | 2019-08-26 | Device and method for detecting flatness of front shell of optical full-detection mobile phone |
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| CN110411382B true CN110411382B (en) | 2024-04-16 |
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| US5189806A (en) * | 1988-12-19 | 1993-03-02 | Renishaw Plc | Method of and apparatus for scanning the surface of a workpiece |
| CN205300530U (en) * | 2015-12-31 | 2016-06-08 | 苏州逸美德科技有限公司 | Glass screen curtain flatness detection device |
| CN207113819U (en) * | 2017-05-24 | 2018-03-16 | 苏州耐斯德自动化设备有限公司 | Non-contact plane degree automatic detecting machine |
| CN109377925A (en) * | 2018-12-12 | 2019-02-22 | 武汉精毅通电子技术有限公司 | A kind of detection identification jig being compatible with different display panel carrying platforms |
| CN210570546U (en) * | 2019-08-26 | 2020-05-19 | 安徽千鑫通讯科技有限公司 | Optical full-inspection mobile phone front shell flatness device |
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2019
- 2019-08-26 CN CN201910791447.8A patent/CN110411382B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5189806A (en) * | 1988-12-19 | 1993-03-02 | Renishaw Plc | Method of and apparatus for scanning the surface of a workpiece |
| CN205300530U (en) * | 2015-12-31 | 2016-06-08 | 苏州逸美德科技有限公司 | Glass screen curtain flatness detection device |
| CN207113819U (en) * | 2017-05-24 | 2018-03-16 | 苏州耐斯德自动化设备有限公司 | Non-contact plane degree automatic detecting machine |
| CN109377925A (en) * | 2018-12-12 | 2019-02-22 | 武汉精毅通电子技术有限公司 | A kind of detection identification jig being compatible with different display panel carrying platforms |
| CN210570546U (en) * | 2019-08-26 | 2020-05-19 | 安徽千鑫通讯科技有限公司 | Optical full-inspection mobile phone front shell flatness device |
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| CN110411382A (en) | 2019-11-05 |
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