CN110260779B - Device and method for detecting flatness of combined grinding disc of disc grinder - Google Patents
Device and method for detecting flatness of combined grinding disc of disc grinder Download PDFInfo
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- CN110260779B CN110260779B CN201910655912.5A CN201910655912A CN110260779B CN 110260779 B CN110260779 B CN 110260779B CN 201910655912 A CN201910655912 A CN 201910655912A CN 110260779 B CN110260779 B CN 110260779B
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- lifting mechanism
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- 238000000034 method Methods 0.000 title claims description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 130
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 238000006073 displacement reaction Methods 0.000 claims abstract description 45
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 238000011900 installation process Methods 0.000 abstract description 4
- 238000004537 pulping Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 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
- 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)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a flatness detection device and a flatness detection method for a combined grinding disc of a disc grinder, wherein the device comprises a reference mechanism, a lifting mechanism, a driving mechanism, a controller and more than two displacement sensors; wherein, the reference mechanism is provided with a reference surface; the fixed part of the driving mechanism is connected with the reference mechanism, and the driving part of the driving mechanism is connected with the lifting mechanism so as to drive the lifting mechanism to move relative to the reference mechanism; each displacement sensor comprises a measuring rod, one end of the measuring rod is connected with the lifting mechanism, and the other end of the measuring rod is telescopically arranged in the reference mechanism in a penetrating way; the controller is connected with the driving mechanism and the displacement sensor and is used for controlling the driving mechanism to drive the lifting mechanism to move and controlling the displacement sensor to detect the flatness between the grinding sheets. The flatness detection device and the flatness detection method for the combined abrasive disc of the disc grinder realize the detection of the flatness between the abrasive discs, effectively reduce the height error between the abrasive discs and ensure the installation precision of the abrasive discs in the installation process.
Description
Technical Field
The invention relates to the technical field of tobacco processing and manufacturing, in particular to a flatness detection device and a flatness detection method for a combined grinding disc of a disc grinder.
Background
The disc refiner (disc refiner for short) has simple structure and strong stability, can adapt to various refining processes, and is one of key equipment for pulping and pulping. In the production process of reconstituted tobacco by a papermaking method, pulping is a key process, and pulping indexes and stability directly influence the pulping performance of the pulp and physicochemical indexes of sheet products. The disc type pulping machine is core equipment of pulping process, and cuts long fibers through mechanical action of a grinding disc, so that the lengths of the fibers are uniform, the fibers are divided into filaments and fully wet, the specific surface area of the fibers is increased, and the paper sheet forming during papermaking is facilitated.
The mill of disc mill comprises four to six fan-shaped abrasive discs, and the abrasive disc must fully guarantee every abrasive disc's installation accuracy in the installation to guarantee the roughness on mill surface, otherwise can lead to the abrasive disc wearing and tearing inhomogeneous when starting, pulping index is undulant, moment of inertia is inhomogeneous, leads to disc mill violent vibrations and noise, moves the mill and decides the mill extremely easily to take place to bump the mill phenomenon, seriously influences the life of abrasive disc, can take place to block the mill phenomenon under the serious condition, makes motor current load rise sharply, even the incident appears. Therefore, the accuracy and flatness of the blade mounting are important indicators for ensuring refining efficiency and safe production.
At present, in the process of installing the abrasive disc, due to lack of process standard requirements and special detection devices, operators mainly rely on experiences to manually adjust the installation position among each abrasive disc, and whether the abrasive disc flatness and the abrasive disc parallelism formed by combination are installed in place or not cannot be objectively and accurately judged. After the grinding disc is installed, the grinding disc is required to be watered for 4-6 hours, and the pulp is ground for more than 12 hours, so that the feeding can be slowly performed, the energy consumption is increased, and the operation efficiency of the pulping equipment is severely restricted. In addition, the pulping index fluctuates greatly during the replacement of the grinding disc, which greatly affects the continuity and stability of production.
Therefore, the development of the special detection device for realizing the accurate measurement of the flatness of the combined grinding disc has great significance for improving the quality of the ground pulp fibers, the operation efficiency, reducing the energy consumption, the grinding safety and the like.
Disclosure of Invention
The invention aims to provide a flatness detection device and a flatness detection method for combined grinding sheets of a disc grinder, which are used for solving the problems in the prior art, realizing the control of the flatness among the grinding sheets of the disc grinder and improving the installation precision of each grinding sheet.
The invention provides a flatness detection device for a combined grinding disc of a disc grinder, which comprises the following components:
The reference mechanism is provided with a reference surface;
A lifting mechanism;
the fixed part of the driving mechanism is connected with the reference mechanism, and the driving part of the driving mechanism is connected with the lifting mechanism so as to drive the lifting mechanism to move relative to the reference mechanism;
The displacement sensors comprise measuring rods, one ends of the measuring rods are connected with the lifting mechanism, and the other ends of the measuring rods are telescopically arranged in the reference mechanism in a penetrating mode;
and the controller is connected with the driving mechanism and the displacement sensor and is used for controlling the driving mechanism to drive the lifting mechanism to move and controlling the displacement sensor to detect the flatness among the grinding sheets.
The disc grinder combined grinding disc flatness detection device as described above, wherein preferably, the displacement sensor is a resistive displacement sensor.
The disc grinder combined grinding disc flatness detection device as described above, wherein preferably, the driving mechanism is an air cylinder, a cylinder body of the air cylinder is connected with the reference mechanism, and a piston rod of the air cylinder is connected with the lifting mechanism.
The disc grinder combined grinding disc flatness detection device as described above, wherein preferably, the reference mechanism includes a reference plate and a base material, the base material is disposed on the reference plate, and a surface of the reference plate facing away from the base material is the reference surface;
the body is disposed on the substrate.
The disc grinder combined grinding disc flatness detection device as described above, wherein it is preferable that the disc grinder combined grinding disc flatness detection device further comprises a fixing plate provided on the base material, and the body is connected with the base material through the fixing plate.
The disc grinder combined grinding plate flatness detecting device as described above, wherein it is preferable that the reference plate has a circular plate-like structure.
The disc grinder combined grinding disc flatness detection device as described above, wherein preferably, the reference plate is provided with a first through hole, the base material is provided with a second through hole, and the first through hole, the second through hole and the slide hole are axially aligned.
The flatness detection device for the combined grinding disc of the disc grinder is characterized in that more than two sliding grooves are preferably formed in the lifting mechanism, and one end of the measuring rod is fixedly arranged in the sliding grooves in a penetrating mode.
The disc grinder combined grinding disc flatness detecting device as described above, wherein preferably, the displacement sensors are provided with four groups, and the four groups of the displacement sensors are uniformly distributed on the reference mechanism.
The disc grinder combined grinding disc flatness detecting device as described above, wherein preferably, the lifting mechanism is provided with a handle.
The invention also provides a method for detecting the flatness of the combined grinding disc of the disc grinder, wherein the detection device provided by the invention is adopted, and the detection method comprises the following steps:
connecting the detection device to a disc grinder, and enabling the reference surface to be attached to a disc surface formed by each grinding disc on the disc grinder;
controlling the driving mechanism to drive the lifting mechanism to move towards the direction approaching to the reference mechanism so as to enable the measuring rod to pass through the reference mechanism and then contact with the grinding disc;
when detecting that the measuring rod firstly contacted with the abrasive disc is contacted with the abrasive disc, controlling the driving mechanism to stop running;
Obtaining displacement values of all measuring rods;
and obtaining a flatness error value according to the displacement value.
The flatness detection device and the flatness detection method for the combined abrasive disc of the disc grinder provided by the invention realize the detection of the flatness between the abrasive discs, effectively reduce the height error between the abrasive discs, ensure that each abrasive disc is installed in place in the installation process, and realize the adjustable and controllable height and the flatness of the disc surface of the abrasive disc; meanwhile, long-time online grinding of the grinding sheet is not needed, the online grinding time of the grinding sheet is reduced, the service life of the grinding sheet is prolonged, the influence on the fluctuation of slurry indexes is reduced, the labor intensity is reduced, and the production efficiency is improved.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 is a schematic structural diagram of a flatness detection apparatus for a combined grinding disc of a disc grinder according to an embodiment of the present invention;
Fig. 2 is a flowchart of a method for detecting flatness of a combined grinding disc of a disc grinder according to an embodiment of the present invention.
Reference numerals illustrate:
100-lifting mechanism 200-reference mechanism 210-reference plate
220-Substrate 300-displacement sensor 400-fixing plate
500-Handle 510-support cross bar 520-support vertical bar
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Fig. 1 is a schematic structural diagram of a flatness detection apparatus for a combined grinding disc of a disc grinder according to an embodiment of the present invention; in order to allow the components between the lifting mechanism 100 and the reference mechanism 200 to be seen through the lifting mechanism 100 in fig. 1, the lifting mechanism 100 is shown in a perspective state in fig. 1, but does not represent a structure in which the lifting mechanism is transparent in actual production.
As shown in fig. 1, an embodiment of the present invention provides a device for detecting flatness of a combined grinding sheet of a disc grinder, which includes a reference mechanism 200, a lifting mechanism 100, a driving mechanism (not shown), a controller, and two or more displacement sensors 300; wherein, the reference mechanism 200 is provided with a reference surface; the fixed part of the driving mechanism is connected with the reference mechanism 200, and the driving part of the driving mechanism is connected with the lifting mechanism 100 to drive the lifting mechanism 100 to move relative to the reference mechanism 200; each displacement sensor 300 comprises a measuring rod, one end of the measuring rod is connected with the lifting mechanism 100, and the other end of the measuring rod is telescopically arranged in the reference mechanism 200 in a penetrating way; the controller is connected with the driving mechanism and the displacement sensor 300, and is used for controlling the driving mechanism to drive the lifting mechanism 100 to move, and is also used for controlling the displacement sensor 300 to detect the flatness between the grinding sheets.
It will be appreciated that existing grinding discs typically consist of four to six sheets of grinding plates, typically circular grinding discs, which may be formed by a plurality of fan-shaped grinding plates spliced together. In this embodiment, the grinding disc is made up of four grinding plates, each having a central angle of 90 °. Therefore, in order to be able to detect four grinding plates simultaneously by the detection device provided by the present embodiment, the displacement sensors 300 in the detection device may be provided with four groups, and the four groups of displacement sensors 300 are uniformly distributed on the reference mechanism 200 such that each of the displacement sensors 300 corresponds to one grinding plate, respectively. Wherein every second displacement sensor may be provided as a set on the reference mechanism 200.
In the operation process, the lifting mechanism 100 can be adjusted to be far away from the reference mechanism 200 to a preset position, so that the detection end of the measuring rod is retracted into the reference mechanism 200; the inspection device may then be mounted to a disc grinder while the reference surface on the reference mechanism 200 is brought into engagement with each of the abrasive discs. After the installation is completed, the driving mechanism can be started by the controller, so that the lifting mechanism 100 is driven to move towards the direction close to the reference mechanism 200 by the driving mechanism, and as one end of the measuring rod is connected with the lifting mechanism 100, the measuring rod can be pushed to gradually penetrate out of the reference mechanism 200 until the measuring rod which is firstly contacted with the grinding disc is detected to be contacted with the grinding disc, and the driving mechanism is controlled to stop running.
It should be noted that if there is no flatness error between the four plates, the four bars may simultaneously contact the respective plates. If there is a flatness error in the four plates, at least two of the four bars may first contact the plate, but another bar does not reach the plate, which results in a difference in the amount of displacement generated by the bars corresponding to the plates having the flatness error, which may be acquired by the displacement sensor 300, and further the final flatness error may be obtained by the processor according to the acquired amount of displacement.
Therefore, the flatness detection device for the combined grinding disc of the disc grinder provided by the embodiment of the invention realizes the detection of the flatness between the grinding discs, effectively reduces the height error between the grinding discs, ensures that each grinding disc is installed in place in the installation process, and realizes that the height and the surface flatness of the grinding disc are adjustable and controllable; meanwhile, long-time online grinding of the grinding sheet is not needed, the online grinding time of the grinding sheet is reduced, the service life of the grinding sheet is prolonged, the influence on the fluctuation of slurry indexes is reduced, the labor intensity is reduced, and the production efficiency is improved.
The controller specifically comprises an industrial personal computer and a control box.
Specifically, the displacement sensor 300 is a resistive displacement sensor, and the resistance of the internal resistance of the sensor is changed by the movement of the measuring rod, and is further converted into a displacement change according to the change of the resistance.
Before the detection device is installed on the disc grinder, the lifting mechanism 100 needs to be adjusted to a proper position away from the reference mechanism 200 to retract the spindle into the reference mechanism 200.
Wherein, for the convenience of control and installation, the driving mechanism may be a cylinder, the cylinder body of the cylinder is connected with the reference mechanism 200, and the piston rod of the cylinder is connected with the lifting mechanism 100.
Further, in order to facilitate the fixing of the lifting mechanism 100 to the measuring rod, the lifting mechanism 100 is provided with more than two sliding grooves, and one end of the measuring rod is fixedly arranged in the sliding grooves in a penetrating manner.
Further, the reference mechanism 200 includes a reference plate 210 and a base material 220, the base material 220 is disposed on the reference plate 210, and a surface of the reference plate 210 facing away from the base material 220 is a reference surface; the body is disposed on a substrate 220.
The flatness accuracy of the reference surface is higher than the detection accuracy requirement of the flatness of the grinding disc by an order of magnitude, so that the detected flatness value of the grinding disc is accurate and reliable.
In order to ensure that the reference plane has a high degree of flatness, the reference plate 210 may be made of aviation aluminum or steel, and preferably, the reference plate 210 is made of aviation aluminum. However, when the detecting device is used, the reference mechanism 200 needs to have a certain thickness so that the detecting end of the measuring rod is retracted into the reference mechanism 200, and if the reference mechanism 200 adopts the reference plates 210 made of aviation aluminum, the weight of the detecting device is large, the operation is not easy, and the waste of metal materials is also caused. For this reason, the present embodiment adopts the form of combining the base material 220 and the base material 210, specifically adopts the thinner base material 210 to provide the base surface, and adopts the base material 220 with relatively larger thickness and relatively smaller mass to be fixed on the surface of the base material 210 facing away from the base surface, so that the combination of the base material 220 and the base material 210 not only ensures the overall thickness of the base mechanism 200, but also greatly reduces the overall weight, and is convenient to operate. The material of the substrate 220 may be nylon.
Further, in order to ensure the reliability of the fixing of the body on the substrate 220, the detecting device further includes a fixing plate 400, the fixing plate 400 is disposed on the substrate 220, and the body is connected to the substrate 220 through the fixing plate 400.
Wherein, in order to match with the disk surface composed of the abrasive sheets, the reference plate 210 has a circular plate-like structure, and the outline size of the reference plate is consistent with the disk surface.
Of course, the lifting mechanism 100 may have a circular plate-like structure.
It will be appreciated that to facilitate extension and retraction of the spindle within the datum mechanism 200, the datum plate 210 may be provided with a first through hole and the substrate 220 may be provided with a second through hole, the first through hole, the second through hole and the slide hole being axially aligned.
Further, for convenience of operation, a handle 500 is provided on the lifting mechanism 100. Specifically, the handle 500 includes a support cross bar 510 and a support vertical bar 520, wherein two ends of the support cross bar 510 are respectively provided with one support vertical bar 520, the two support vertical bars 520 are parallel to each other, and the two support vertical bars 520 are fixedly connected with the reference mechanism 200 after passing through the lifting mechanism 100; when the lifting mechanism 100 moves to a set position away from the reference mechanism 200, a distance is kept between the support rail 510 and the lifting mechanism 100, so that the support rail 510 can be held by hand to move the detection device, and the support rail 510 can also serve to limit excessive movement of the lifting mechanism 100.
As shown in fig. 2, the embodiment of the invention further provides a method for detecting flatness of a combined grinding disc of a disc grinder, which adopts the detection device provided by any embodiment of the invention, and the detection method comprises the following steps:
and step S100, connecting the detection device to the disc grinder, and enabling the reference surface to be attached to the disc surface formed by each grinding disc on the disc grinder.
The existing grinding disc is generally composed of four to six sheets of grinding sheets, the grinding disc is generally a circular grinding disc, and the circular grinding disc can be formed by splicing a plurality of fan-shaped grinding sheets. In this embodiment, the grinding disc is made up of four grinding plates, each having a central angle of 90 °. Therefore, in order to be able to detect four grinding plates simultaneously by the detection device provided by the present embodiment, the displacement sensors 300 in the detection device may be provided with four, and the four displacement sensors 300 are uniformly distributed on the reference mechanism 200 such that each displacement sensor 300 corresponds to one grinding plate, respectively.
Step S200, the driving mechanism is controlled to drive the lifting mechanism 100 to move in a direction approaching the reference mechanism 200, so that the measuring bar passes through the reference mechanism 200 and contacts with the grinding plate.
And step S300, when detecting that the measuring rod firstly contacted with the abrasive disc starts to contact with the abrasive disc, controlling the driving mechanism to stop running.
It should be noted that if there is no flatness error between the four plates, the four bars may simultaneously contact the respective plates. If there is a flatness error in the four plates, at least two of the four bars may first contact the plate, but another bar does not reach the plate, which results in a difference in the amount of displacement generated by the bars corresponding to the plates having the flatness error, which may be acquired by the displacement sensor 300, and further the final flatness error may be obtained by the processor according to the acquired amount of displacement.
And S400, obtaining displacement values of all measuring rods.
And S500, obtaining a flatness error value according to the displacement value.
Wherein, before step S100, the method further comprises the steps of:
In step S10, the lifting mechanism 100 is adjusted to be away from the reference mechanism 200 to a preset position, so that the detection end of the measuring rod is retracted into the reference mechanism 200, so as to avoid damage to the grinding disc or the measuring rod caused by collision of the measuring rod with the grinding disc when the detection device is installed.
Further, before step S10, the method further comprises the steps of:
the detection device is placed on the marble plate so as to calibrate the movement of the measuring rod and ensure the accuracy of the follow-up test data.
Further, in order to improve accuracy of data, in the present embodiment, more than two areas may be divided into the abrasive disc, for example, a straight line passing through the center of the fan-shaped abrasive disc is used to trisect the abrasive disc, so as to divide three equally divided test areas, namely, a first area, a second area and a third area. In the detection process, the measuring rod can be aligned with the first area first, and a first group of data is detected; rotating the detection device to align the measuring rod with the second area and detecting a second group of data; and rotating the detection device to align the measuring rod with the third area, and detecting a third group of data. Finally, by performing transverse comparison analysis on the three groups of data, the accuracy of the measured data can be ensured.
The flatness detection device and the flatness detection method for the combined grinding sheets of the disc grinder provided by the embodiment of the invention realize the detection of the flatness between the grinding sheets, effectively reduce the height error between the grinding sheets, ensure that each grinding sheet is installed in place in the installation process, and realize the adjustable and controllable height and the flatness of the disc surface of the grinding sheets; meanwhile, long-time online grinding of the grinding sheet is not needed, the online grinding time of the grinding sheet is reduced, the service life of the grinding sheet is prolonged, the influence on the fluctuation of slurry indexes is reduced, the labor intensity is reduced, and the production efficiency is improved.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (8)
1. The utility model provides a disc mill combination abrasive disc flatness detection device which characterized in that includes:
The reference mechanism is provided with a reference surface;
A lifting mechanism;
the fixed part of the driving mechanism is connected with the reference mechanism, and the driving part of the driving mechanism is connected with the lifting mechanism so as to drive the lifting mechanism to move relative to the reference mechanism;
The displacement sensors comprise measuring rods, one ends of the measuring rods are connected with the lifting mechanism, and the other ends of the measuring rods are telescopically arranged in the reference mechanism in a penetrating mode;
The controller is respectively connected with the driving mechanism and the displacement sensor and is used for controlling the driving mechanism to drive the lifting mechanism to move and controlling the displacement sensor to detect the flatness among the grinding sheets;
the driving mechanism is a cylinder, the cylinder body of the cylinder is connected with the reference mechanism, and the piston rod of the cylinder is connected with the lifting mechanism;
The reference mechanism comprises a reference plate and a base material, wherein the base material is arranged on the reference plate, and one surface, away from the base material, of the reference plate is the reference surface;
The body is arranged on the base material.
2. The disc grinder combination abrasive disc flatness detection device of claim 1, wherein the displacement sensor is a resistive displacement sensor.
3. The disc grinder combination abrasive disc flatness detection apparatus of claim 1, further comprising a fixing plate provided on the base material, the body being connected to the base material by the fixing plate.
4. The disc grinder combination grinding disc flatness detection apparatus of claim 1, wherein the reference plate is a circular plate-like structure.
5. The disc grinder assembly abrasive disc flatness detection apparatus of any one of claims 1-4, wherein the reference plate is provided with a first through hole, the substrate is provided with a second through hole, and the first through hole, the second through hole and the slide hole are axially aligned.
6. The disc grinder combination grinding disc flatness detection apparatus of claim 1, wherein the lifting mechanism is provided with more than two sliding grooves, and one end of the measuring rod is fixedly arranged in the sliding grooves in a penetrating manner.
7. The disc grinder combination abrasive disc flatness detection device of claim 1, wherein the displacement sensors are provided in four groups, and the four groups of the displacement sensors are evenly distributed on the reference mechanism.
8. A method for detecting flatness of a combined grinding plate of a disc grinder, characterized in that a detection apparatus according to any one of claims 1 to 7 is employed, the detection method comprising the steps of:
connecting the detection device to a disc grinder, and enabling the reference surface to be attached to a disc surface formed by each grinding disc on the disc grinder;
controlling the driving mechanism to drive the lifting mechanism to move towards the direction approaching to the reference mechanism so as to enable the measuring rod to pass through the reference mechanism and then contact with the grinding disc;
when detecting that the measuring rod firstly contacted with the abrasive disc is contacted with the abrasive disc, controlling the driving mechanism to stop running;
Obtaining displacement values of all measuring rods;
and obtaining a flatness error value according to the displacement value.
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| CN201910655912.5A CN110260779B (en) | 2019-07-19 | 2019-07-19 | Device and method for detecting flatness of combined grinding disc of disc grinder |
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| CN201910655912.5A CN110260779B (en) | 2019-07-19 | 2019-07-19 | Device and method for detecting flatness of combined grinding disc of disc grinder |
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| CN110260779B true CN110260779B (en) | 2024-06-21 |
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| CN111156894A (en) * | 2020-02-25 | 2020-05-15 | 五邑大学 | Roughness measuring device and method |
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| TWI357972B (en) * | 2006-04-21 | 2012-02-11 | Fih Hong Kong Ltd | Testing system of flatness and parallelism and the |
| CN102538660A (en) * | 2010-12-20 | 2012-07-04 | 苏州春兴精工股份有限公司 | Flatness measuring device for workpieces |
| CN103697805A (en) * | 2013-12-19 | 2014-04-02 | 重庆信奇建材机械制造有限公司 | Sheet protrusion part detection device |
| CN104406561B (en) * | 2014-12-01 | 2017-03-01 | 宁波圣龙汽车动力***股份有限公司 | The detection means of Work piece sealing groove deep |
| CN205403733U (en) * | 2016-02-16 | 2016-07-27 | 昆山元诚电子材料有限公司 | Lid roughness detection device behind cell -phone |
| CN206177237U (en) * | 2016-11-15 | 2017-05-17 | 佛山职业技术学院 | Pneumatic flatness detection machine of contact |
| CN106643446B (en) * | 2017-01-04 | 2023-10-13 | 合肥京东方光电科技有限公司 | Flatness detection jig and flatness detection method |
| CN208383116U (en) * | 2018-07-05 | 2019-01-15 | 天津市勇娜精密机械有限公司 | A kind of end difference machine measuring flatness |
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| CN109990692B (en) * | 2019-05-16 | 2021-04-16 | 曾庆雪 | Flatness detection device for building board machining |
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| CN208936981U (en) * | 2018-11-02 | 2019-06-04 | 浙江工业大学之江学院 | A kind of skylight rail flatness detection instrument |
| CN210426424U (en) * | 2019-07-19 | 2020-04-28 | 河南卷烟工业烟草薄片有限公司 | Combined grinding sheet flatness detection device of disc grinder |
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