CN110186371A - A kind of overproof continuous measuring device of flatness and its measurement method - Google Patents
A kind of overproof continuous measuring device of flatness and its measurement method Download PDFInfo
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- CN110186371A CN110186371A CN201910584998.7A CN201910584998A CN110186371A CN 110186371 A CN110186371 A CN 110186371A CN 201910584998 A CN201910584998 A CN 201910584998A CN 110186371 A CN110186371 A CN 110186371A
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- 238000000691 measurement method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 210000000056 organ Anatomy 0.000 claims description 12
- 238000007373 indentation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 206010018325 Congenital glaucomas Diseases 0.000 description 3
- 206010012565 Developmental glaucoma Diseases 0.000 description 3
- 208000007157 Hydrophthalmos Diseases 0.000 description 3
- 201000001024 buphthalmos Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of overproof continuous measuring device of flatness and its measurement methods, measuring device includes base platform, described device further include guiding movement mechanism on base platform, in guiding movement mechanism to adjust the height adjustment mechanism of mounting rack height and on mounting rack by carrying out the testing agency of test plane degree with the workpiece surface contact squeeze on base platform.Ratio of precision clearance gauge operation of the present invention is accurate, measures lower than three coordinate measurements and laser plane interferometer, easy to operate, and is continuous measurement, can largely reduce measurement of planeness difficulty and the time of measurement plate part.
Description
Technical field
The invention belongs to measuring device technical fields, and in particular to a kind of overproof continuous measuring device of flatness and its measurement
Method.
Background technique
Currently, the measurement of planeness of heavy parts mainly has clearance gauge detection, the measurement of three coordinate measurements, laser plane interferometer
Deng.Clearance gauge detection is measured using clearance gauge by hand by the basis of plane meter；Three coordinate measurements, indicator is to test sample when measurement
It is moved on product, measures data of each measurement point relative to measuring basis by selected layouting, assessed using data processing flat
Face degree error；Laser plane interferometer measurement embodies ideal plane with the working face of optical parallel, directly with the curved of interference fringe
Qu Chengdu determines the flatness error value of measured surface.
However, detecting for clearance gauge, plane meter, measurement workpiece bigger, required plane need to be used when staff works
Ruler is bigger, is in addition metal material, and quality is big, needs two to three people's cooperatings, and working efficiency is very low；It is examined for three coordinates
It surveys, needs special equipment, measurement accuracy is high, but detects for single-piece, and speed is slow, at high cost；It is surveyed for laser plane interferometer
Amount, precision is high, is only applicable to small range measurement, and complicated for operation.Existing method is not easy for the workpiece of different-thickness
The height that adaptation is adjusted in the same measuring device is detected, and also cannot be considered in terms of measurement complexity and timeliness.
Summary of the invention
Present invention seek to address that the technical problems existing in the prior art.For this purpose, to provide a kind of flatness overproof by the present invention
Continuous measuring device and its measurement method, it is therefore an objective to convenient for measuring the flatness of workpiece.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of overproof continuous measuring device of flatness, including base platform, described device further include being set on base platform
Guiding movement mechanism, in guiding movement mechanism to adjust mounting rack height height adjustment mechanism and be set to mounting rack
On pass through on base platform workpiece surface contact squeeze carry out test plane degree testing agency.
The guiding movement mechanism includes two parallel guide rails and can come along the length direction of guide rail on guide rail
Backhaul dynamic support base.
The guide rail is screw rod, and screw rod is installed on base platform by screw rodb base, and ipsilateral one end of two screw rods passes through
Transmission mechanism connection.
The screw rod is ball screw, and the support base is preferably ball-bearing housing.
The transmission mechanism includes two belt wheels and outside around the synchronous belt of two belt wheels, and two belt wheels are respectively arranged on two silks
Ipsilateral one end of bar.
The height adjustment mechanism includes multiple height adjusting screw rods, and the both ends of the mounting rack pass through height adjustment respectively
Screw rod is connect with the support base on two guide rails.
The testing agency include data box, mounting base, crushing block, pinch roller, in the guiding mounting groove of mounting base
Pressure acquisition mechanism and flexible restoring organ, the data box are connect with pressure acquisition institutional communication, the pressure acquisition mechanism
It being connect by flexible restoring organ with crushing block, the mounting base is connect with mounting rack, and the pinch roller is set to the bottom end of crushing block,
The crushing block can move in guiding mounting groove.
The pressure acquisition mechanism includes pressure sensor and pressure block, and the flexible restoring organ includes the first pressure spring,
The pressure sensor is connect by pressure block with one end of the first pressure spring, and the other end of the first pressure spring and the top of crushing block connect
It connects.It is identical as the guiding guide direction of mounting groove that the deformation of first pressure spring resets direction.
The flexible restoring organ further includes that deformation resets direction the second pressure identical with the guiding guide direction of mounting groove
Spring, the both ends of second pressure spring are connect with the top end face on the top of crushing block and guiding mounting groove respectively.
The crushing block is equipped with concave indentation, and the mounting base is equipped with one side wall and concave indentation through guiding mounting groove
The position limiting structure limited.The position limiting structure be caging bolt, caging bolt extend into guiding mounting groove in one end with
The bottom surface of concave indentation does not contact, and the top and bottom sidewall of concave indentation can form position-limiting action with caging bolt.
The top measurement end face of the base platform is equipped with buphthalmos ball.
The present invention also provides the measurement methods of the overproof continuous measuring device of the flatness, include the following steps:
Step 1: standard gauge block is taken to be placed in the measured zone on base platform and being located between two guide rails, adjustment installation
The height of frame is to determine the canonical measure value of pressure sensor；
Step 2: workpiece is placed in measured zone, by rotary screw rod so that testing agency's rolling is by leading to above workpiece
Over-voltage force snesor acquires data and is passed to computer through data box, obtains measurement result.
Beneficial effects of the present invention: ratio of precision clearance gauge operation of the present invention is accurate, dry lower than three coordinate measurements and laser plane
Interferometer measurement, it is easy to operate, and be continuous measurement, measurement of planeness difficulty and the time of measurement plate part can be largely reduced,
Suitable for the overproof < 3mm of global flatness, allow the plate part measure batch of the overproof > 0.05mm of flatness precision.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the front view for measuring component；
Fig. 3 is the cross-sectional view for measuring component.
In the figure, it is marked as
1, workpiece, 2, buphthalmos ball, 3, base platform, 4, screw rodb base, 5, screw rod, 6, data box, 7, ball-bearing housing, 8,
Height adjusting screw rod, 9, handwheel, 10, synchronous belt, 11, belt wheel, 12, measurement component, 13, mounting rack, 14, caging bolt, 15, pressure
Wheel, 16, pressure sensor, 17, pressure block, the 18, first pressure spring, the 19, second pressure spring, 20, mounting base, 21, crushing block, 22, pin
Axis.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.It should be noted that term " on ", "lower", "front", "rear", "left", "right", "vertical", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as the limitation to invention.
As shown in Figure 1 to Figure 3, the overproof continuous measuring device of a kind of flatness, including base platform 3, bottom surface platform can lead to
It crosses cast iron quality and is fabricated to cuboid or cube-shaped platform, which further includes the guiding on base platform 3
Mobile mechanism, in guiding movement mechanism to adjust 13 height of mounting rack height adjustment mechanism and be set to mounting rack 13 on
By the testing agency for carrying out test plane degree with the workpiece surface contact squeeze on base platform 3.Height adjustment mechanism is set
It sets, it is therefore an objective to for the workpiece of different-thickness, carry out adaptability and adjust distance of the mounting rack apart from base platform top end face, avoid
The different workpiece of thickness can not occur the case where general term measuring device.The setting of guiding movement mechanism, to height adjustment mechanism,
Guiding movement plays the role of in mounting rack and testing agency, when needing to measure planeness of workpiece, passes through guiding movement mechanism
Guiding movement effect, detects testing agency continuously in workpiece surface.The top measurement end face of base platform can be
Buphthalmos ball, when detecting, Neng Goubao can be distributed on the measurement end face of the top of base platform certainly in one integral planar
Workpiece mounting table face is demonstrate,proved in approximately the same plane degree.
Wherein, guiding movement mechanism includes two parallel guide rails and can come along the length direction of guide rail on guide rail
Backhaul dynamic support base.Specifically, guiding movement mechanism can use the form of sliding-rail sliding, i.e. sliding rail is sliding as guide rail
Block is as support base.For example two parallel sliding rails are set on base platform, and sliding block can slide on corresponding sliding rail, and two
Area of space between a sliding rail is detection zone, and height adjustment mechanism is set on sliding block, is slided by sliding block along sliding rail
And then height adjustment mechanism, mounting rack and testing agency is driven continuously to detect the workpiece in detection zone.Certainly, as
A kind of preferable form of implementation is that guide rail is screw rod 5, and screw rod 5 is installed on base platform 3 by screw rodb base 4, two screw rods 3
Ipsilateral one end pass through transmission mechanism connect.Transmission mechanism includes two belt wheels 11 and outside around the synchronous belt 10 of two belt wheels 11,
Two belt wheels 11 are respectively arranged on ipsilateral one end of two screw rods 5.The setting of transmission mechanism, so that only needing to rotate to a screw rod
Power can be realized two screw rods and rotate synchronously, i.e. two ball screws are moved synchronously by synchronous pulley and synchronous band connection.
Certainly, this transmission mechanism can also be realized using other existing drive mechanisms.Screw rod preferably uses ball screw, and support base is excellent
It is selected as ball-bearing housing 7.When implementation, handwheel 9 can be set in one end of a screw rod, ball screw is driven by using handwheel
Rotation, or one servo motor of setting drive ball screw rotation by using servo motor.
Height adjustment mechanism includes multiple height adjusting screw rods 8 or height adjustment stud, and height adjusting screw rod and height are adjusted
Saving stud is slightly different on shape and structure, and the function to be realized of the two is similar, is said below with height adjusting screw rod
Bright, the both ends of mounting rack pass through height adjusting screw rod respectively and connect with the support base on two guide rails, specifically, mounting rack
Both ends pass through two height adjusting screw rods and connect with the ball-bearing housing on corresponding screw rod, set respectively at the both ends of adjusting screw rod
Set left-handed nut and right-handed nut, when rotation, two end nuts realize the height tune of mounting rack simultaneously close to or away from pitch
Section, and then realize height adjustment of the testing agency being installed on mounting rack apart from base platform, it is convenient for measuring different-thickness
Workpiece.
Testing agency includes data box 6 and measurement component, and measurement component includes mounting base 20, crushing block 21, pinch roller 15, sets
In pressure acquisition mechanism and flexible restoring organ in the guiding mounting groove of mounting base 20, data box 6 and pressure acquisition mechanism are logical
Letter connection, pressure acquisition mechanism are connect by flexible restoring organ with crushing block 21, and mounting base 20 is connect with mounting rack 13, pinch roller
15 are set to the bottom end of crushing block 21, and crushing block 21 can move in guiding mounting groove.When implementation, pinch roller 15 is by pin shaft 22 and squeezes
The bottom end of briquetting 21 connects, and mounting base is fastenedly connected by bolt and mounting rack, and data box is fixed on mounting rack, crushing block
A part is located in guiding mounting groove, and crushing block can be moved along the guide direction of guiding mounting groove.As shown in figure 3, due to
The effect of elastic buffer reset force can make crushing block float up and down in guiding mounting groove.
Pressure acquisition mechanism includes pressure sensor 16 and pressure block 17, and flexible restoring organ includes the first pressure spring 18, pressure
Force snesor 16 is connect by pressure block 17 with one end of the first pressure spring 18, the other end of the first pressure spring 18 and the top of crushing block 21
End connection.Specifically, pressure sensor uses resistive pressure sensor, pressure sensor terminal accesses data box, realizes
Communication connection, the tip contact of pressure block mortgage resistive pressure sensor, and the bottom end of pressure block by the first pressure spring and squeezes
The top of block connects, and it is identical as the guiding guide direction of mounting groove that the deformation of the first pressure spring 18 resets direction.For the ease of checking
The recessed plane of workpiece, above-mentioned flexible restoring organ further include that deformation reset direction is identical with the guiding guide direction of mounting groove
Second pressure spring 19, the both ends of the second pressure spring 19 are connect with the top end face on the top of crushing block 21 and guiding mounting groove respectively.In order to
The phenomenon that crushing block is detached from out of guiding mounting groove is avoided the occurrence of, crushing block 21 is equipped with concave indentation, and mounting base 20, which is equipped with, to be run through
The position limiting structure that the one side wall and concave indentation for being oriented to mounting groove are limited.Position limiting structure is caging bolt 14, caging bolt
14 one end extended into guiding mounting groove are not contacted with the bottom surface of concave indentation, and the top and bottom sidewall of concave indentation can be with limit spiral shell
Bolt forms position-limiting action.
When work, workpiece jacks up idler wheel, and then entire crushing block is driven to move upwards in guiding mounting groove, the first pressure
Spring 18 is compressed, and by pressure block by pressure conduction to resistive pressure sensor, resistive pressure sensor experiences pressure,
It is converted into digital signal to be aggregated into data box, and is sent to computer analysis data, finally obtain result.When workpiece is recessed,
Second pressure spring depresses crushing block, and the first pressure spring rebound, resistive pressure sensor is under pressure reduction, and data change therewith.
The measurement method of the above-mentioned overproof continuous measuring device of flatness, includes the following steps:
Step 1: standard gauge block is taken to be placed in the measured zone on base platform and being located between two guide rails, adjustment installation
The height of frame is to determine the canonical measure value of pressure sensor；
Step 2: workpiece is placed in measured zone, by rotary screw rod so that testing agency's rolling is by leading to above workpiece
Over-voltage force snesor acquires data and is passed to computer through data box, obtains measurement result.
Implement when specific operation, it is first determined measurement thickness of workpiece takes the standard gauge block of same thickness to be placed on measurement zone
Domain, by four height adjusting screw rods (adjusting screw rod both ends are respectively left hand thread and right-handed thread, when rotation, two end nuts
Simultaneously close to or away from pitch) height that adjusts mounting rack, the measured value of all force pressure sensors is adjusted in
(pressure sensor measurement range is that 100g~10000g is adjusted herein to 1000g) for position.Then gauge block is removed, workpiece is paved with inspection
Survey region.Ball screw is driven to rotate using handwheel or using servo motor, pinch roller at the uniform velocity passes through above workpiece, when workpiece will
Idler wheel jacks up, and the first pressure spring 18 is compressed, and by pressure block by pressure conduction to resistive pressure sensor, resistive pressure is passed
Sensor experiences pressure, is converted into digital signal and is aggregated into data box, and data are passed on a skill of craft to others computer through data box, is most terminated
Fruit.When workpiece is recessed, the second pressure spring depresses crushing block, and the rebound of the first pressure spring, resistive pressure sensor, which is under pressure, to be subtracted
It is small, it is converted into digital signal and is aggregated into data box, data are passed on a skill of craft to others computer through data box, and data change therewith.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. a kind of overproof continuous measuring device of flatness, including base platform, which is characterized in that described device further includes being set to bottom
Seat platform on guiding movement mechanism, in guiding movement mechanism to adjust the height adjustment mechanism of mounting rack height and set
In the testing agency on mounting rack by carrying out test plane degree with the workpiece surface contact squeeze on base platform.
2. the overproof continuous measuring device of flatness according to claim 1, which is characterized in that the guiding movement mechanism includes
Two parallel guide rails and the support base that can be moved back and forth along the length direction of guide rail on guide rail.
3. the overproof continuous measuring device of flatness according to claim 2, which is characterized in that the guide rail is screw rod, screw rod
It is installed on base platform by screw rodb base, ipsilateral one end of two screw rods is connected by transmission mechanism.
4. the overproof continuous measuring device of flatness according to claim 3, which is characterized in that the transmission mechanism includes two
Belt wheel and outside around the synchronous belt of two belt wheels, two belt wheels are respectively arranged on ipsilateral one end of two screw rods.
5. the overproof continuous measuring device of flatness according to claim 2, which is characterized in that the height adjustment mechanism includes
Multiple height adjusting screw rods, the both ends of the mounting rack pass through the company of the support base on height adjusting screw rod and two guide rails respectively
It connects.
6. the overproof continuous measuring device of flatness according to claim 1, which is characterized in that the testing agency includes data
Box, mounting base, crushing block, pinch roller, the pressure acquisition mechanism in the guiding mounting groove of mounting base and flexible restoring organ, institute
Data box is stated to connect with pressure acquisition institutional communication, the pressure acquisition mechanism is connect by flexible restoring organ with crushing block,
The mounting base is connect with mounting rack, and the pinch roller is set to the bottom end of crushing block, and the crushing block can be transported in guiding mounting groove
It is dynamic.
7. the overproof continuous measuring device of flatness according to claim 6, which is characterized in that the pressure acquisition mechanism includes
Pressure sensor and pressure block, the flexible restoring organ include the first pressure spring, and the pressure sensor passes through pressure block and the
One end of one pressure spring connects, and the other end of the first pressure spring and the top of crushing block connect.
8. the overproof continuous measuring device of flatness according to claim 6, which is characterized in that the flexible restoring organ also wraps
Include deformation and reset direction and identical second pressure spring of the guiding guide direction of mounting groove, the both ends of second pressure spring respectively with it is crowded
The top of briquetting and the top end face connection for being oriented to mounting groove.
9. the overproof continuous measuring device of flatness according to claim 6, which is characterized in that the crushing block is lacked equipped with spill
Mouthful, the mounting base is equipped with the position limiting structure limited through the one side wall and concave indentation of guiding mounting groove.
10. the measurement method of any one of -9 overproof continuous measuring devices of flatness according to claim 1, which is characterized in that
Include the following steps:
Step 1: standard gauge block is taken to be placed in the measured zone on base platform and being located between two guide rails, mounting rack is adjusted
Canonical measure value highly to determine pressure sensor；
Step 2: workpiece is placed in measured zone, by rotary screw rod so that testing agency's rolling is by passing through pressure above workpiece
Force snesor acquires data, is passed to computer through data box, obtains measurement result.
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| CN201910584998.7A CN110186371A (en) | 2019-07-01 | 2019-07-01 | A kind of overproof continuous measuring device of flatness and its measurement method |
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| CN201910584998.7A CN110186371A (en) | 2019-07-01 | 2019-07-01 | A kind of overproof continuous measuring device of flatness and its measurement method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701985A (en) * | 2019-11-16 | 2020-01-17 | 衡东振好木制品有限公司 | Timber flatness detection device |
| CN110906842A (en) * | 2019-11-05 | 2020-03-24 | 安徽阜阳富龙建筑材料有限责任公司 | Brick surface multi-point parallelism detection device |
| CN112504096A (en) * | 2020-11-10 | 2021-03-16 | 广东鸿图科技股份有限公司 | Measuring device for measuring flatness of workpiece |
| CN112595268A (en) * | 2020-12-18 | 2021-04-02 | 芜湖力钧轨道装备有限公司 | Beam flatness detection and calibration device and application method thereof |
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| CN210089611U (en) * | 2019-07-01 | 2020-02-18 | 芜湖力钧轨道装备有限公司 | Flatness out-of-tolerance continuous measuring device |
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