CN108801144A - A kind of accurate device and its application method for measuring light sheet products characteristic size - Google Patents
A kind of accurate device and its application method for measuring light sheet products characteristic size Download PDFInfo
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- CN108801144A CN108801144A CN201810871746.8A CN201810871746A CN108801144A CN 108801144 A CN108801144 A CN 108801144A CN 201810871746 A CN201810871746 A CN 201810871746A CN 108801144 A CN108801144 A CN 108801144A
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- product
- carrier
- bottom plate
- characteristic size
- camera
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention discloses and provides a kind of accurate device and its application method for measuring light sheet products characteristic size simple in structure, easy to use and good test effect.The technical solution adopted in the present invention is：The present invention includes a kind of accurate device for measuring light sheet products characteristic size, it includes carrier module and optic test module, carrier module includes carrier bottom plate, upper backform block and benchmark panel, several compensating squeeze heads are provided on the upper surface of carrier bottom plate, product is placed on the top of compensating squeeze head, the lower part of benchmark panel is set as reference plane compatible with the upper surface of product, it is both provided with shop bolt on one group of diagonal position of carrier bottom plate, benchmark panel is provided with guide sleeve, optic test module includes being arranged on a left side for carrier module, the camera of light source and top on the right and direction of lower section three, it is provided in carrier module and light source and the matched light hole position of camera.The present invention can be used for the technical field of thin plate characteristic size measuring device.
Description
Technical field
The present invention relates to a kind of accurate devices and its application method for measuring light sheet products characteristic size.
Background technology
For the flat-types products such as steel thin flat plate part because of very thin thickness, itself just carries one during punching production
Fixed deformation, when carrying out characteristic size measurement to such product, product should not be in free state, need to use several pressure
Face or pressure spot press product on a datum plane, therefore the mating carrier of product will be a design focal point.
Existing measurement scheme is usually that test product is placed in profiling plane, only limits X, Y direction
It is mobile, and product is not pressed in Z-direction, therefore the warpage of product itself, deformation etc. is inconsistent to lead to different productions
Measurement result between product is widely different, and consistency difference also results in the yield of product low, and production waste material increases, artificial, object
Material and time cost are increased.Existing thin plate class product, some are measured using artificial using means such as slide calliper rule, people
Work measurement can import unavoidable human error, the inefficiency of measurement, and cost of labor increases, and have many special-shaped sizes
It can not lead to not measure using tool.Therefore optical measurement means are produced.Existing optical measurement is usually used one
A camera, and an axis light is added to illuminate product in the lower section of camera.The shortcomings that this measurement, is similarly apparent：Product
Size is larger or the distribution of tested item farther out when, the visual field of camera becomes larger and cost index is caused to increase；Axis light can not be clearly
Illuminate the tested item of side and the tested item of abnormity.
Invention content
The technical problem to be solved in the present invention is to provide a kind of accurate surveys simple in structure, easy to use and good test effect
Measure the device and its application method of light sheet products characteristic size.
The technical solution adopted in the present invention is：The present invention includes a kind of accurate dress for measuring light sheet products characteristic size
It sets, it includes carrier module and optic test module, and the carrier module includes carrier bottom plate, the bottom with the carrier bottom plate
Matched upper backform block and the matched benchmark panel in top with the carrier bottom plate, on the upper surface of the carrier bottom plate
Several compensating squeeze heads compatible with the external form of product are provided with, product is placed on the top of the compensating squeeze head, the benchmark
The lower part of panel is set as reference plane compatible with the upper surface of product, is all provided on one group of diagonal position of the carrier bottom plate
It is equipped with shop bolt, the benchmark panel is provided with guide sleeve compatible with the shop bolt, the optic test module packet
Include the camera of the light source and top that are arranged on the direction of the left and right and lower section of the carrier module three, the carrier module
On be provided with and the light source and the matched light hole position of the camera.
In the above scheme, for aligning, upper backform block is used for from bottom to top to carrier for the cooperation of shop bolt and guide sleeve
Bottom plate carries out top so that the product being placed in carrier bottom plate is pressed between benchmark panel and carrier bottom plate, this patent
It is pressed in product is smooth in reference plane, warpage and the deformation of product itself is overcome, so the measurement for increasing product is consistent
Property, also just reduce the cost of entire production process；Carrier bottom plate has used multiple compensating squeeze heads, according to the shape feature of product
Distribution heterogeneous, it is therefore an objective to product be made to be driven plain in reference plane as far as possible.This patent carries out product by multi-faceted
Fixation, keeps the result consistency of measurement stronger, yield higher.In addition the measurement scheme of this patent uses camera from product
Top take pictures, on the other three direction respectively all by light source irradiate polishing optical measurement scheme, be different from existing object
Reason means measure and the coaxial light measurement of one camera, and measurement effect is more preferably.In addition, this patent makes side in lower section and side polishing
And abnormity tested quantifier can also accurately measure.
Further, it is rhombus pin that two shop bolts one, which are straight pin one,.
In the above scheme, two shop bolts are designed to that a straight pin and rhombus pin cooperate, be in order to
Prevent shop bolt hole itself position site error or installation error caused by bite phenomenon.
Further, the top of the carrier bottom plate is additionally provided with several position-limitting pins compatible with the external form of product,
The benchmark panel is that position-limitting pin setting is stepped down.
In the above scheme, position-limitting pin limits displacement of the product in X-axis and Y-axis, ensures product in the measurements steady
It is fixed.
Further, it is source of parallel light to be located at the light source below the carrier module, is located at the left and right of the carrier module
The light source of both sides is strip source.Light source positioned at the right side of the carrier module is a strip source, is located at the carrier
The light source in the left side of module is the strip source of two settings at an angle to each other.The quantity of the camera is two, two phases
Machine, which is respectively cooperating with, is provided with adjusting Mobile base.
In the above scheme, the directional light of bottom irradiates upwards, can illuminate the datum hole above the edge of product.Camera
When shooting product from top, it is easy to pick up the appearance and size of product according to the difference of light and shade.And the light source of side can be used
In the feature for the feature and some corners for lighting side, camera is facilitated to identify and measure this special-shaped size.Two of top
Camera is respectively distributed to the front and rear of product, and each camera is responsible for the measurement of the characteristic size of a product part.Use two
A camera can effectively control the visual field size of each camera, and then control cost.Each camera is fixed on individual backboard,
And each backboard is fixed on individual adjustable mechanism.The height of camera and front and back and left and right two can be adjusted by adjusting Mobile base
The purpose of the beat of a angle, adjustment is so that when each camera shoots product, and product is exactly in the focus of camera, shoots
Most clear photograph.
Further, the upper backform block includes upper push block and is fixed at flat-pushing at the top of the upper push block
Block, the upper backform block are provided with matched with the underlying light source below the characteristic size position to be measured of product
Thang-kng slot.
The invention also includes a kind of application methods of the accurate device for measuring light sheet products characteristic size, including walk as follows
Suddenly：
A, the position for debugging light source and camera in optic test module makes camera have best shooting effect；
B, product is placed on to the top of the compensating squeeze head of carrier bottom plate；
C, upper top module action will push up on carrier bottom plate, and carrier bottom plate is with benchmark panel by the cooperation of shop bolt and guide sleeve
Positioning alignment；
D, the upper surface of product is close to the reference plane of benchmark panel；
E, start the switch of the light source and camera of optic test module, the characteristic size of the upper surface of camera shooting product waits for location
It sets, completes to measure.
In the above scheme, by this method so that the present apparatus is more accurate to the measurement of flat-type characteristic size, effect
More preferably.
Description of the drawings
Fig. 1 is the structural schematic diagram of the carrier module in the present invention；
Fig. 2 is the structural schematic diagram of the optic test module in the present invention；
Fig. 3 is the structural schematic diagram of another angle of the optic test module in the present invention.
Specific implementation mode
As shown in Figure 1 to Figure 3, specific implementation mode of the invention is：The present invention includes a kind of accurate measurement light sheet products
The device of characteristic size, it includes carrier module and optic test module, the carrier module include carrier bottom plate 1, with it is described
The matched upper backform block 2 in bottom of carrier bottom plate 1 and the matched benchmark panel 3 in top with the carrier bottom plate 1, it is described
Several compensating squeeze heads 4 compatible with the external form of product are provided on the upper surface of carrier bottom plate 1, product is placed on the elasticity
The lower part on the top of pressure head 4, the benchmark panel 3 is set as reference plane 5 compatible with the upper surface of product, the carrier bottom
Shop bolt 6 is both provided on one group of diagonal position of plate 1, the benchmark panel 3 is provided with to be adapted with the shop bolt 6
Guide sleeve, the optic test module include the light source that is arranged on the direction of the left and right and lower section of the carrier module three with
And the camera 7 of top, it is provided with and 7 matched light hole position of the light source and the camera in the carrier module.Herein
In scheme, for aligning, upper backform block is used to carry out upper top to carrier bottom plate 1 from bottom to top for the cooperation of shop bolt 6 and guide sleeve,
So that the product being placed in carrier bottom plate 1 is pressed between benchmark panel 3 and carrier bottom plate 1, this patent is smooth by product
Be pressed in reference plane 5, overcome warpage and the deformation of product itself, so increasing the measurement consistency of product, also just subtract
The cost of entire production process is lacked；Carrier bottom plate 1 has used multiple compensating squeeze heads 4, non-homogeneous according to the shape feature of product
Distribution, it is therefore an objective to so that product is driven plain in reference plane 5 as far as possible.This patent consolidates product by multi-faceted
It is fixed, keep the result consistency of measurement stronger, yield higher.In addition the measurement scheme of this patent uses camera 7 from the upper of product
Side takes pictures, and all irradiates the optical measurement scheme of polishing on the other three direction by light source respectively, is different from existing physics hand
Section measures and the coaxial light measurement of one camera, and measurement effect is more preferably.In addition, this patent makes the sum of side in lower section and side polishing
The tested quantifier of abnormity can also be measured accurately.Wherein reference plane 5 provides a benchmark being pressed for measured product,
It should be noted that the design of reference plane 5 needs to refer to the shape of product itself, it is not necessarily a plane, and may be more
The plane combination of a different height forms, the flatness and the depth of parallelism of each plane need to control within 0.02mm.In addition
According to the position for the size that product is measured, needs to have stayed hole position in reference plane 5 and keep away position, keep the camera 7 of top clear
Take size characteristic.It, may be due to after product is on be pressed against if reference plane 5 is designed as a big plane
Reasons, the product such as feel suffocated are sticked in reference plane 5 and do not fall out, this problem can by designing some air flues in reference plane 5,
The air suppressed is discharged to solve.Carrier bottom plate 1 is designed according to the size of product, and elasticity is controlled above with several steps
The stroke of pressure head compression.Compensating squeeze head 4 and the emphasis of this carrier module are finally introduced, there are 15 in carrier module
Compensating squeeze head 4 is distributed in each edge and stepped locations of product, and its purpose is to so that product is perfectly fitted in base
On quasi- face 5.Each compensating squeeze head 4 is made of the briquetting, the spring of offer elasticity and the backboard of back side limited spring of steel.At this
In example, 5mm length, the relatively little spring of spring constant 5N/mm are used.15 springs provide 10N under preset decrement
The pressure of ± 2N.According to the material of product, weight, the difference of the characteristics such as shape, the design of spring and pressure head is directed to
The amendment of property.It is further noted that the design of this compensating squeeze head 4, needs to carry out certain number before shipment (it is recommended that super
Cross 10000 times) aging, can be worn away the defects of subtle burr in structure after aging, keep movement more smooth.
Further, it is rhombus pin that two shop bolts 6 one, which are straight pin one,.In this scheme, two fixed
Position pin 6 is designed to that a straight pin and a rhombus pin cooperate, and is the position of the hole of shop bolt 6 position in order to prevent itself
Bite phenomenon caused by error or installation error.
Further, the top of the carrier bottom plate 1 is additionally provided with several position-limitting pins compatible with the external form of product
9, the benchmark panel 3 is that the setting of the position-limitting pin 9 is stepped down.In this scheme, position-limitting pin 9 limits product in X-axis and Y
The displacement of axis ensures the stabilization of product in the measurements.Position-limitting pin 9 has 8, is divided to two groups, 8 position-limitting pins 9 limit production
Product ensure the stabilization of product in the measurements in the displacement of X-axis and Y-axis.
Further, it is source of parallel light 80 to be located at the light source below the carrier module, is located at a left side for the carrier module
The light source of right both sides is strip source 81.Light source positioned at the right side of the carrier module is a strip source 81, is located at institute
The light source for stating the left side of carrier module is the strip source 81 of two settings at an angle to each other.The quantity of the camera 7 be two, two
A camera 7, which is respectively cooperating with to be provided with, adjusts Mobile base 10.In this scheme, the directional light of bottom irradiates upwards, Ke Yizhao
Datum hole above the edge of bright product.When camera 7 shoots product from top, it is easy to pick up product according to the difference of light and shade
Appearance and size.And the light source of side can be used for lighting the feature of side and the feature of some corners, and camera 7 is facilitated to identify
This special-shaped size with measurement.Two cameras 7 of top are respectively distributed to the front and rear of product, and each camera 7 is responsible for production
The measurement of the characteristic size of a product part.The visual field size of each camera 7 can be effectively controlled using two cameras 7, in turn
Control cost.Each camera 7 is fixed on individual backboard, and each backboard is fixed on individual adjustable mechanism.Adjust movement
Seat 10 can adjust the height of camera 7 and front and back and two angles in left and right beat, and the purpose of adjustment is so that each camera
When shooting product, product is exactly in the focus of camera, shoots most clear photograph.Mutual alignment between two cameras 7,
Then need the calibration of progress position, method as follows：The standard calibration block of a glass material is made first, is needed in calibrating block
It formulates position spraying or etches several circles；Calibrating block is placed under two camera lenses again, shoot and is calculated between two circles
Distance；After this distance is compared with the physical distance between actual circle, records a demerit the shooting of camera 7 and compensate.
Demarcating the relative position of latter two camera can not move again, if moved, need to focus and demarcate again.
Further, the upper backform block 2 includes upper push block 11 and is fixed at the top of the upper push block 11
Flat-pushing piece 12, the upper backform block 2 is provided with and the underlying light source below the characteristic size position to be measured of product
Matched thang-kng slot.
The invention also includes a kind of application methods of the accurate device for measuring light sheet products characteristic size, including walk as follows
Suddenly：
A, the position for debugging light source and camera 7 in optic test module makes camera 7 have best shooting effect；
B, product is placed on to the top of the compensating squeeze head 4 of carrier bottom plate 1；
C, the upper action of backform block 2 will push up on carrier bottom plate 1, and carrier bottom plate 1 passes through shop bolt 6 and guide sleeve with benchmark panel 3
Coordinate and positions alignment；
D, the upper surface of product is close to the reference plane 5 of benchmark panel 3, prevents product deformation；
E, start the switch of the light source and camera 7 of optic test module, the characteristic size that camera 7 shoots the upper surface of product is to be measured
Position completes to measure.
In the above scheme, by this method so that the present apparatus is more accurate to the measurement of flat-type characteristic size, effect
More preferably.
The present invention can be used for the technical field of thin plate characteristic size measuring device.
Claims (8)
1. a kind of accurate device for measuring light sheet products characteristic size, it is characterised in that：It includes carrier module and optic test
Module, the carrier module include carrier bottom plate（1）And the carrier bottom plate（1）The matched upper backform block in bottom（2）With
With the carrier bottom plate（1）The matched benchmark panel in top（3）, the carrier bottom plate（1）If upper surface on be provided with
Do compensating squeeze head compatible with the external form of product（4）, product is placed on the compensating squeeze head（4）Top, the reference plane
Plate（3）Lower part be set as reference plane compatible with the upper surface of product（5）, the carrier bottom plate（1）One group of diagonal bits
It sets and is both provided with shop bolt（6）, the benchmark panel（3）It is provided with and the shop bolt（6）Compatible guide sleeve, institute
It includes the light source being arranged on the direction of the left and right and lower section of the carrier module three and the phase of top to state optic test module
Machine（7）, it is provided with and the light source and the camera in the carrier module（7）Matched light hole position.
2. a kind of accurate device for measuring light sheet products characteristic size according to claim 1, it is characterised in that：Two institutes
State shop bolt（6）One is that straight pin one is rhombus pin.
3. a kind of accurate device for measuring light sheet products characteristic size according to claim 1, it is characterised in that：The load
Has bottom plate（1）Top be additionally provided with several position-limitting pins compatible with the external form of product（9）, the benchmark panel（3）For
The position-limitting pin（9）Setting is stepped down.
4. a kind of accurate device for measuring light sheet products characteristic size according to claim 1, it is characterised in that：Positioned at institute
It is source of parallel light to state the light source below carrier module（80）, the light source for being located at the left and right sides of the carrier module is strip source
（81）.
5. a kind of accurate device for measuring light sheet products characteristic size according to claim 4, it is characterised in that：Positioned at institute
The light source for stating the right side of carrier module is a strip source（81）, the light source for being located at the left side of the carrier module is two mutual
The strip source of angled setting（81）.
6. a kind of accurate device for measuring light sheet products characteristic size according to claim 1, it is characterised in that：The phase
Machine（7）Quantity be two, two cameras（7）It is respectively cooperating with and is provided with adjusting Mobile base（10）.
7. a kind of accurate device for measuring light sheet products characteristic size according to claim 1, it is characterised in that：On described
Backform block（2）Including upper push block（11）Be fixed at the upper push block（11）Flat-pushing piece of top（12）, it is described on
Backform block（2）It is provided with below the characteristic size position to be measured of product and the underlying matched thang-kng of light source
Slot.
8. a kind of application method of the accurate device for measuring light sheet products characteristic size according to claim 1, feature
It is, includes the following steps：
Debug light source and camera in optic test module（7）Position, make camera（7）With best shooting effect；
Product is placed on carrier bottom plate（1）Compensating squeeze head（4）Top；
Upper backform block（2）It acts carrier bottom plate（1）Upper top, carrier bottom plate（1）With benchmark panel（3）Pass through shop bolt（6）
It positions and is aligned with the cooperation of guide sleeve；
The upper surface of product and benchmark panel（3）Reference plane（5）It is close to；
Start the light source and camera of optic test module（7）Switch, camera（7）The characteristic size for shooting the upper surface of product waits for
Location is set, and completes to measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810871746.8A CN108801144B (en) | 2018-08-02 | 2018-08-02 | Device for accurately measuring characteristic dimension of sheet product and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810871746.8A CN108801144B (en) | 2018-08-02 | 2018-08-02 | Device for accurately measuring characteristic dimension of sheet product and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108801144A true CN108801144A (en) | 2018-11-13 |
| CN108801144B CN108801144B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810871746.8A Active CN108801144B (en) | 2018-08-02 | 2018-08-02 | Device for accurately measuring characteristic dimension of sheet product and application method thereof |
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| CN201740508U (en) * | 2010-05-29 | 2011-02-09 | 浙江工业职业技术学院 | Large-field image measurement instrument |
| CN104567697A (en) * | 2015-01-21 | 2015-04-29 | 苏州博众精工科技有限公司 | Component height difference detecting device |
| CN105606024A (en) * | 2015-12-31 | 2016-05-25 | 深圳富强智能系统科技有限公司 | Detection apparatus and detection method for mobile phone dimension |
| CN108062265A (en) * | 2017-12-22 | 2018-05-22 | 深圳市芬能自动化设备有限公司 | Computer main board test loaded tool |
| CN108332675A (en) * | 2017-11-14 | 2018-07-27 | 苏州华智诚精工科技有限公司 | A kind of type semienclosed circular hole measuring device tool and its measurement method |
| CN208536780U (en) * | 2018-08-02 | 2019-02-22 | 珠海市运泰利自动化设备有限公司 | A kind of device of precise measurement light sheet products characteristic size |
-
2018
- 2018-08-02 CN CN201810871746.8A patent/CN108801144B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201740508U (en) * | 2010-05-29 | 2011-02-09 | 浙江工业职业技术学院 | Large-field image measurement instrument |
| CN104567697A (en) * | 2015-01-21 | 2015-04-29 | 苏州博众精工科技有限公司 | Component height difference detecting device |
| CN105606024A (en) * | 2015-12-31 | 2016-05-25 | 深圳富强智能系统科技有限公司 | Detection apparatus and detection method for mobile phone dimension |
| CN108332675A (en) * | 2017-11-14 | 2018-07-27 | 苏州华智诚精工科技有限公司 | A kind of type semienclosed circular hole measuring device tool and its measurement method |
| CN108062265A (en) * | 2017-12-22 | 2018-05-22 | 深圳市芬能自动化设备有限公司 | Computer main board test loaded tool |
| CN208536780U (en) * | 2018-08-02 | 2019-02-22 | 珠海市运泰利自动化设备有限公司 | A kind of device of precise measurement light sheet products characteristic size |
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|---|---|
| CN108801144B (en) | 2023-08-29 |
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