CN114295060A - Profiling jig for vehicle-mounted 3D display cover plate and testing method of display cover plate - Google Patents
Profiling jig for vehicle-mounted 3D display cover plate and testing method of display cover plate Download PDFInfo
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- CN114295060A CN114295060A CN202111649256.1A CN202111649256A CN114295060A CN 114295060 A CN114295060 A CN 114295060A CN 202111649256 A CN202111649256 A CN 202111649256A CN 114295060 A CN114295060 A CN 114295060A
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- 238000005259 measurement Methods 0.000 claims abstract description 27
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- 238000001514 detection method Methods 0.000 abstract description 11
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- 238000013461 design Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
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Abstract
The invention relates to the field of checking tools, in particular to a profiling jig for a vehicle-mounted 3D display cover plate and a testing method for the display cover plate; the profiling device comprises a profiling block, wherein the profiling block comprises a block body, the block body is provided with a longitudinal surface and a horizontal surface, and the longitudinal surface and the horizontal surface are perpendicular to each other; a profiling groove is formed in the block body, and a profiling surface is arranged in the profiling groove; the invention discloses a profiling jig for a vehicle-mounted 3D display cover plate; according to the invention, through the arrangement of the direction jig, the positioning during the measurement of the length and width dimensions of the display cover plate is facilitated, and the detection of the length and width of the display cover plate is further facilitated; in addition, the invention also discloses a test method; the invention facilitates the detection of the display cover plate by operators through the disclosure of the test method.
Description
Technical Field
The invention relates to the field of checking tools, in particular to a profiling jig for a vehicle-mounted 3D display cover plate and a testing method for the display cover plate.
Background
Along with the requirements of the accelerated elimination of mechanical instruments and the intelligent trend of automobiles, the vehicle-mounted central control screen has the characteristics of large size and multiple curved surfaces, and the measurement difficulty is increased progressively from the CNC edge grinding.
The existing vehicle-mounted 3D display cover plate can be divided into two types of partial special-shaped (including straight lines, circular arcs and spline curves) and full special-shaped (circular arcs and spline curves) according to the appearance complexity after flattening.
After CNC edging, part of the special-shaped cover plate can be measured by finding simple characteristics such as straight lines or circular arcs on a product as a reference to establish a workpiece coordinate system; the full-special-shaped cover plate cannot directly find a reference on a product to measure, when the reference is established by means of sheet positioning, due to placement errors, the fact that the measurement reference is completely consistent with the design reference cannot be guaranteed, and the measurement error of the length and the width of the product can reach 1-2 mm.
If the measuring tool of a one-to-one profile modeling is made, the tool is large in size, heavy in weight, inconvenient to use and carry, and inconvenient to store when more and more product types are produced.
In order to solve the above technical problems, an existing jig needs to be optimally designed or a detection method needs to be optimally designed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a positioning structure for displaying the length and width measurement of a cover plate.
In order to achieve the purpose, the invention adopts the technical scheme that:
a profiling jig for a vehicle-mounted 3D display cover plate; the profiling device comprises a profiling block, wherein the profiling block comprises a block body, the block body is provided with a longitudinal surface and a horizontal surface, and the longitudinal surface and the horizontal surface are perpendicular to each other; the block body is provided with a profiling groove, and a profiling surface is arranged in the profiling groove.
And a positioning groove is arranged in the profiling groove.
The positioning groove comprises a bottom positioning groove and an end surface positioning groove which are arranged on the profiling groove; the bottom positioning groove is arranged opposite to the lowest point of the display cover plate; the end face positioning groove and the closest point of the display cover plate, which is close to one side of the longitudinal face of the profiling block, are oppositely arranged.
The positioning groove further comprises a calibration groove arranged in the profiling groove.
The bottom positioning groove, the end face positioning groove and the calibration groove are uniform and semicircular.
The calibration groove comprises an upper side surface calibration groove and a side end surface calibration groove which are arranged on the profiling groove; the upper side surface calibration groove corresponds to the farthest point which is farthest away from the horizontal plane of the profiling block above the display cover plate; the side end surface calibration groove corresponds to the farthest point of the display cover plate, which is farthest away from the longitudinal surface of the profiling block.
A test method for a display cover plate adopting the profiling jig comprises the following steps:
step 1: selecting a profiling jig matched with the outer contour of the standard display cover plate;
step 2: mounting the profiling jig on a measuring platform of an imager;
and step 3: placing the display cover plate to be tested on the profiling jig; the display cover plate to be tested is required to be attached to the profiling surface on the profiling jig;
and 4, step 4: after the step 3 is finished, the imager finds each measuring point on the display cover plate to be measured through the positioning groove calibration, and then the length and the width of the display cover plate to be measured are obtained based on each measuring point;
and 5: after step 4, the length and the width of a display cover plate to be measured are measured; and if other display cover plates need to be repeatedly measured, repeating the steps 1-4.
In the step 4, the lowest point of the display cover plate to be measured during measurement is required to be grabbed by taking the bottom positioning groove as a positioning point; then, the highest point of the display cover plate to be detected is longitudinally grabbed by taking the upper side surface calibration groove in the profiling groove as a secondary calibration point, and then the width of the display cover plate is obtained; simultaneously, grabbing the closest point closest to the longitudinal surface of the profiling block when the length of the display cover plate to be measured is measured by taking the end surface positioning groove as a length positioning point; then the secondary point of marking when measuring for length through the side end face calibration groove in the profile modeling groove snatchs the farthest point apart from the profile modeling piece longitudinal surface on the display apron that awaits measuring along transversely, reachs the length of the display apron that awaits measuring then.
After being positioned by the upper side surface calibration groove; grabbing the farthest point of the display cover plate to be detected from the horizontal plane in a curve scanning mode; after positioning through the side end surface calibration groove; and grabbing the farthest point of the display cover plate to be detected from the longitudinal surface in a curve scanning mode.
The invention has the advantages that:
the invention discloses a profiling jig for a vehicle-mounted 3D display cover plate; according to the invention, through the arrangement of the profiling jig, the positioning during the measurement of the length and width dimensions of the display cover plate is facilitated, and the detection of the length and width of the display cover plate is further facilitated;
in addition, the invention also discloses a test method; the invention facilitates the detection of the display cover plate by operators through the disclosure of the test method.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the present invention in use.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
The labels in the above figures are:
1. the contour block 2, the longitudinal surface 3, the horizontal surface 4, the contour groove 5 and the display cover plate to be tested.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
A profiling jig for a vehicle-mounted 3D display cover plate; the block comprises a contour block 1, wherein the contour block 1 comprises a block body, the block body is provided with a longitudinal surface 2 and a horizontal surface 3, and the longitudinal surface 2 and the horizontal surface 3 are arranged perpendicular to each other; the block body is provided with a copying groove 4, and a copying surface is arranged in the copying groove 4; the invention discloses a profiling jig for a vehicle-mounted 3D display cover plate; according to the invention, through the arrangement of the profiling jig (the profiling jig can be placed on the measuring platform at will, and after a workpiece coordinate system is manually set, automatic measurement is started, so that programming measurement can be realized), the positioning during the measurement of the length and width dimensions of the display cover plate is facilitated, and the detection of the length and width of the display cover plate is further facilitated.
Specifically, the profiling jig disclosed by the invention is mainly used for positioning the display cover plate 5 to be measured, and is convenient for establishing a workpiece coordinate system when being matched with an imager for measurement, so that the length and the width of the subsequent display cover plate 5 to be measured can be conveniently measured; the profiling jig mainly comprises a profiling block 1, wherein a profiling groove 4 is formed in the profiling block 1, and the profiling groove 4 enables the profiling block 1 to form a structure similar to an L shape, so that the transverse and longitudinal positioning of a display cover plate 5 to be detected is facilitated, and the placing stability of the display cover plate 5 to be detected is ensured; in addition, a profiling surface is formed in the profiling groove 4 and used for calibration, and the placement of a display cover plate 5 to be tested is facilitated; in addition, when the device is actually used, the front end face of the contour block 1 is taken as a reference, and the longitudinal line and the transverse line of the edge of the front end face of the contour block 1 are taken as the Y axis and the X axis of the coordinate system; thereby facilitating subsequent detection of the display panel.
Furthermore, in the invention, a positioning groove is arranged in the profiling groove 4; the positioning groove is arranged to play a good calibration role, so that a subsequent imager can conveniently grab a measuring point on the display cover plate 5 to be measured; thereby facilitating subsequent size detection.
Further, in the present invention, the positioning grooves include a bottom positioning groove 41 and an end surface positioning groove 42 provided on the contour groove 4; the bottom positioning groove 41 is arranged opposite to the lowest point of the display cover plate; the end face positioning groove 42 is arranged opposite to the closest point of the display cover plate on one side close to the longitudinal face 2 of the contour block 1; the bottom positioning groove 41 is used for corresponding to the lowest point of the display cover plate 5 to be detected, so that the lowest point of the display cover plate 5 to be detected can be conveniently grabbed by the imager, and in addition, the end surface positioning groove 42 corresponds to the leftmost point of the display cover plate 5 to be detected, so that the leftmost measuring point of the display cover plate 5 to be detected can be conveniently grabbed by the subsequent imager.
The end face positioning slot 42 in fig. 1 coincides with the side end face calibration slot 44, in the same position;
the end face positioning slot 42 and the side end face positioning slot 44 in fig. 3 are not coincident and are in two positions.
Furthermore, the positioning groove also comprises a calibration groove arranged in the profile groove 4; the arrangement of the calibration groove plays a good role in subsequent calibration, and a subsequent imager can conveniently capture the highest point on the upper end surface of the display cover plate and the farthest point on the right side of the display cover plate; and then conveniently cooperate above-mentioned bottom constant head tank 41 and terminal surface constant head tank 42 to realize the measurement of the length and the width of the display apron 5 that awaits measuring.
Further, in the present invention, the bottom positioning groove 41, the end surface positioning groove 42 and the calibration groove are uniform semicircular grooves; according to the invention, through the arrangement of the groove body structure, the circle center of the semicircular groove can be used as a reference point, so that the grabbing of a measuring point on the display cover plate 5 to be measured is facilitated.
Further, in the present invention, the calibration grooves include an upper side surface calibration groove 43 and a side end surface calibration groove 44 provided on the contour groove 4; the upper side calibration slot 43 corresponds to the farthest point above the display cover plate which is farthest away from the horizontal plane 3 of the contour block 1; the side end surface calibration slot 44 corresponds to the farthest point of the display cover plate away from the longitudinal surface 2 of the contour block 1; the upper side calibration slot 43 is located directly below the highest point of the standard display cover plate; the side end face positioning slot 44 is flush with the farthest point of the rightmost end of the standard display cover plate and is equal in height, and the arrangement facilitates the subsequent measurement of the length of the display cover plate 5 to be measured by being matched with the end face positioning slot 42.
A test method for a display cover plate adopting the profiling jig comprises the following steps:
step 1: selecting a profiling jig matched with the outer contour of the standard display cover plate;
step 2: mounting the profiling jig on a measuring platform of an imager;
and step 3: placing the display cover plate 5 to be tested on the profiling jig; the display cover plate 5 to be tested is required to be attached to the profiling surface on the profiling jig;
and 4, step 4: after the step 3 is finished, the imager finds each measuring point on the display cover plate 5 to be measured through the positioning groove calibration, and then the length and width dimensions of the display cover plate 5 to be measured are obtained based on each measuring point;
and 5: after the step 4 is finished, the length and the width of a display cover plate 5 to be measured are measured; and if other display cover plates need to be repeatedly measured, repeating the steps 1-4.
According to the invention, through the disclosure of the testing method, the detection of the length and width dimensions of the display cover plate can be well realized.
Further, after the copying jig in the step 2 is placed on the measuring platform, a workpiece coordinate system needs to be established on the basis of the longitudinal surface 2 and the horizontal surface 3 on the copying block 1; the intersection of the longitudinal plane 2 and the horizontal plane 3 is required to be the origin; by the operation mode, the establishment of a subsequent coordinate system is facilitated.
Furthermore, in the present invention, in the step 4, the bottom positioning groove 41 is required to be used as a positioning point to grab the lowest point of the display cover plate 5 to be measured during measurement; then, the highest point of the display cover plate 5 to be detected is longitudinally grabbed by taking the upper side surface calibration groove 43 in the profiling groove 4 as a secondary calibration point, and then the width of the display cover plate is obtained; simultaneously, grabbing the closest point closest to the longitudinal surface 2 of the contour block 1 when the length of the display cover plate 5 to be measured is measured by taking the end surface positioning groove 42 as a length positioning point; secondly, a secondary point of the display cover plate 5 to be measured away from the longitudinal surface 2 of the contour block 1 is transversely grabbed by a side end surface calibration groove in the contour groove 4 as a secondary point during length measurement, and then the length of the display cover plate 5 to be measured is obtained; according to the invention, the grabbing of the detection points on the display cover plate 5 to be detected can be realized better and quickly by the way of arranging the grabbing points.
Further, after being positioned by the upper side calibration groove 43 in the present invention; grabbing the farthest point of the display cover plate 5 to be detected from the horizontal plane 3 in a curve scanning mode; after positioning through the side end surface calibration groove; grabbing the farthest point of the display cover plate 5 to be detected from the longitudinal surface 2 in a curve scanning mode; the precision (the tolerance of a product is +/-0.05 mm, the manual grabbing error possibly exceeds the tolerance of the product, and the measured size cannot guide production) when a detection point (the highest point/the lowest point) is manually grabbed by a mouse; the device is influenced by the resolution of an imager and a grasping point of an inspector, automatic measurement cannot be realized, the measurement efficiency is low, and the repeated measurement precision is low.
The curve scanning mode is a function of the device (the scanning starting position, the scanning direction and the end position need to be specified, the range including the point to be measured is smaller, the efficiency is higher), after a workpiece coordinate system is established, automatic measurement (programming is needed for the first time) can be realized, the highest point and the lowest point are obtained by automatic measurement of the device when the device is used, the measurement efficiency is high, and the repeated measurement precision is high.
Concretely;
the application discloses a profiling jig; the profiling jig can assist the imager to establish a measurement reference, and meanwhile, the profiling jig disclosed by the invention only needs to be connected with a local area at the end part of the display cover plate 5 to be detected, so that the size of the profiling jig can be greatly reduced while the size of the display cover plate 5 to be detected is detected.
The profiling jig disclosed by the invention is mainly used for displaying the length and width dimensions of the cover plate.
The profiling jig disclosed by the invention comprises a profiling block 1, wherein a profiling groove 4 is formed in the profiling block 1; the profile groove 4 is used for the location between the display apron 5 that awaits measuring, in addition, is equipped with the constant head tank in profile groove 4, and the constant head tank plays fine demarcation effect, makes things convenient for the imager to the snatching of measuring point on the display apron 5 that awaits measuring.
In addition, the contour block 1 is provided with a longitudinal surface 2 and a horizontal surface 3; the two planar structures are used for subsequent measurement reference; meanwhile, the profiling jig can be placed on the measuring platform at will, automatic measurement is started after the workpiece coordinate system is manually set, and programming measurement can be realized.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (10)
1. A profiling jig for a vehicle-mounted 3D display cover plate; the profiling device is characterized by comprising a profiling block, wherein the profiling block comprises a block body, the block body is provided with a longitudinal surface and a horizontal surface, and the longitudinal surface and the horizontal surface are perpendicular to each other; the block body is provided with a profiling groove, and a profiling surface is arranged in the profiling groove.
2. The profiling jig for the vehicle-mounted 3D display cover plate according to claim 1; it is characterized in that a positioning groove is arranged in the profiling groove.
3. The profiling jig for the vehicle-mounted 3D display cover plate according to claim 2; the positioning groove is characterized by comprising a bottom positioning groove and an end surface positioning groove which are arranged on the profiling groove; the bottom positioning groove is arranged opposite to the lowest point of the display cover plate; the end face positioning groove and the closest point of the display cover plate, which is close to one side of the longitudinal face of the profiling block, are oppositely arranged.
4. The profiling jig for the vehicle-mounted 3D display cover plate according to claim 3; the positioning groove is characterized by further comprising a calibration groove arranged in the profiling groove.
5. The profiling jig for the vehicle-mounted 3D display cover plate according to claim 4; the bottom positioning groove, the end face positioning groove and the calibration groove are all semicircular grooves.
6. The profiling jig for the vehicle-mounted 3D display cover plate according to claim 4; the device is characterized in that the calibration groove comprises an upper side surface calibration groove and a side end surface calibration groove which are arranged on the profile groove; the upper side surface calibration groove corresponds to the farthest point which is farthest away from the horizontal plane of the profiling block above the display cover plate; the side end surface calibration groove corresponds to the farthest point of the display cover plate, which is farthest away from the longitudinal surface of the profiling block.
7. The method for testing a display cover plate by using the profiling jig of any one of claims 1 to 6, characterized in that; the test method comprises the following steps:
step 1: selecting a profiling jig matched with the outer contour of the standard display cover plate;
step 2: mounting the profiling jig on a measuring platform of an imager;
and step 3: placing the display cover plate to be tested on the profiling jig; the display cover plate to be tested is required to be attached to the profiling surface on the profiling jig;
and 4, step 4: after the step 3 is finished, the imager finds each measuring point on the display cover plate to be measured through the positioning groove calibration, and then the length and the width of the display cover plate to be measured are obtained based on each measuring point;
and 5: after step 4, the length and the width of a display cover plate to be measured are measured; and if other display cover plates need to be repeatedly measured, repeating the steps 1-4.
8. The method for testing a display cover plate according to claim 7, wherein after the profiling jig of step 2 is placed on the measuring platform, a workpiece coordinate system needs to be established on the basis of the longitudinal plane and the horizontal plane on the profiling block; the point of intersection of the longitudinal plane and the horizontal plane is required to be the origin.
9. The method as claimed in claim 7, wherein in the step 4, the bottom positioning groove is used as a positioning point to grab the lowest point of the display cover plate to be tested during measurement; then, the highest point of the display cover plate to be detected is longitudinally grabbed by taking the upper side surface calibration groove in the profiling groove as a secondary calibration point, and then the width of the display cover plate is obtained; simultaneously, grabbing the closest point closest to the longitudinal surface of the profiling block when the length of the display cover plate to be measured is measured by taking the end surface positioning groove as a length positioning point; then the secondary point of marking when measuring for length through the side end face calibration groove in the profile modeling groove snatchs the farthest point apart from the profile modeling piece longitudinal surface on the display apron that awaits measuring along transversely, reachs the length of the display apron that awaits measuring then.
10. The method for testing a display cover plate of claim 9, wherein the display cover plate is positioned by the upper side calibration groove; grabbing the farthest point of the display cover plate to be detected from the horizontal plane in a curve scanning mode; after positioning through the side end surface calibration groove; and grabbing the farthest point of the display cover plate to be detected from the longitudinal surface in a curve scanning mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649256.1A CN114295060A (en) | 2021-12-30 | 2021-12-30 | Profiling jig for vehicle-mounted 3D display cover plate and testing method of display cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649256.1A CN114295060A (en) | 2021-12-30 | 2021-12-30 | Profiling jig for vehicle-mounted 3D display cover plate and testing method of display cover plate |
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| CN114295060A true CN114295060A (en) | 2022-04-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205038317U (en) * | 2015-08-31 | 2016-02-17 | 圣美精密工业(昆山)有限公司 | Battery cover syzygy is profile modeling tool all |
| CN209623590U (en) * | 2019-01-25 | 2019-11-12 | 万金机械配件(东莞)有限公司 | A kind of more curved surface profile rapid detection fixtures |
| CN113188406A (en) * | 2021-06-04 | 2021-07-30 | 浙江浩圣电梯导轨有限公司 | Dimension detection tool and detection method for elevator guide rail |
| CN214236411U (en) * | 2020-12-07 | 2021-09-21 | 昆山旭正精密机械有限公司 | Drilling jig for thin-walled part |
| CN214893030U (en) * | 2021-06-14 | 2021-11-26 | 常熟市常顺金属制品有限公司 | Portable profiling checking fixture |
-
2021
- 2021-12-30 CN CN202111649256.1A patent/CN114295060A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205038317U (en) * | 2015-08-31 | 2016-02-17 | 圣美精密工业(昆山)有限公司 | Battery cover syzygy is profile modeling tool all |
| CN209623590U (en) * | 2019-01-25 | 2019-11-12 | 万金机械配件(东莞)有限公司 | A kind of more curved surface profile rapid detection fixtures |
| CN214236411U (en) * | 2020-12-07 | 2021-09-21 | 昆山旭正精密机械有限公司 | Drilling jig for thin-walled part |
| CN113188406A (en) * | 2021-06-04 | 2021-07-30 | 浙江浩圣电梯导轨有限公司 | Dimension detection tool and detection method for elevator guide rail |
| CN214893030U (en) * | 2021-06-14 | 2021-11-26 | 常熟市常顺金属制品有限公司 | Portable profiling checking fixture |
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