CN104999368B - Buffing Humidity Automatic Control device and its control method - Google Patents
Buffing Humidity Automatic Control device and its control method Download PDFInfo
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- CN104999368B CN104999368B CN201510495905.5A CN201510495905A CN104999368B CN 104999368 B CN104999368 B CN 104999368B CN 201510495905 A CN201510495905 A CN 201510495905A CN 104999368 B CN104999368 B CN 104999368B
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- humidity
- humidity value
- rubbing paste
- cotton piece
- piece buff
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of buffing Humidity Automatic Control device and its control method, it is related to buffing manufacture field.The present invention is detected in polishing process after cotton piece buff superficial humidity values by humidity sensor automatic on-line, detection numerical value is handled by microprocessor, spray gun aperture is adjusted according to current cotton piece buff radius, ensure that rubbing paste is fully sprayed at cloth wheel surface, by the single injection event time for adjusting rubbing paste injection apparatus, two parametric variables of injection cycle, control cotton piece buff surface moisture within limits, and parameter value corresponding with the humidity value further can be recorded by memory, utilize the corresponding humid control parameter of the other humidity values of the data prediction of record, improve response speed and the degree of accuracy of humidity control system.
Description
Technical field
The present invention relates to a kind of buffing Humidity Automatic Control device and its control method, belong to buffing machinery neck
Domain.
Background technology
With the continuous improvement of China's manufacturing industry level and people's living standard, consumer wants to product surface finish
Ask more strict, and polishing is one of important procedure that product obtains high surfaces finish.The current most of works of China
Factory is still polished to product surface by hand by workman, and glossing relies primarily on the guarantee of workman's work experience with product quality.
Accordingly, there exist unstable product quality, labor strength is big, work situation is severe, big to experienced operator's degree of dependence etc. all
Many problems.
Current many factories have begun to introduce manipulator and special-purpose polishing lathe is polished operation, therefore cotton piece buff is thrown
The research of light technique has wide market prospects.Wherein influence of the polishing humidity to polishing effect is also more significantly, simple, can
The humidity compensation method leaned on is significant to the automaticity for improving polishing equipment.
It is Application No. 201210200707.8, entitled：Improve the side of precise polished process velocity and workpiece surface quality
The Chinese invention patent application of method and device, its disclosed method is：First, polishing machine is placed in enclosed hood, it is outer to prevent
Boundary's dust, which enters polishing area, influences quality of finish；Secondly, the gas of matching is filled with into enclosed hood, to adjust in seal closure
Gas pressure, temperature and humidity；3rd, installed in seal closure for detect pressure, temperature and humidity sensor, to control
System processed automatically adjusts supply parameter, reaches the purpose for improving material removing rate and workpiece surface quality.Its disclosed device is closed
Key is that the necessary equipment cover of overall processing is mounted in enclosed hood.The patent application can improve material removing rate, improve surface light
Cleanliness.Although humidity can also be adjusted for the preceding case, its mainly ambient humidity adjusted, the purpose of regulation is to carry
The clearance of high rapidoprint, regulative mode is the insufflation gas into seal closure, and regulation ring is reached by the parameter for adjusting supply
The purpose of border humidity.
However, in buffing processing equipment, the humidity of cotton piece buff in itself to polishing effect there is also large effect, and
Only by ambient humidity is changed, control can not be adjusted to cotton piece buff humidity.And inventor is exactly based on this point
Set out, propose a kind of device and method that can be automatically controlled to cotton piece buff humidity, this case is produced therefrom.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of buffing Humidity Automatic Control device and its control
Method, it can automatically control the humidity of cotton piece buff, ensure stablizing relatively for humidity value in polishing processing.
In order to solve the above technical problems, the technical solution of the present invention is：
A kind of buffing Humidity Automatic Control device, including the humidity sensor that is electrically connected to each other, memory, operation are aobvious
Show unit, microprocessor and rubbing paste injection apparatus；The humidity sensor is arranged on the side of buff, in polishing
During detection in real time cotton piece buff superficial humidity values and the humidity value is transferred to microprocessor；The microprocessor is to handle humidity
Data are detected, and control rubbing paste injection apparatus to work according to result, while also control operation display unit work.
Preferably, the humidity sensor converts analog signals into data signal by analog-digital converter, and the modulus turns
Parallel operation constitutes humidity detecting module together with the humidity sensor.
Preferably, described microprocessor controls described rubbing paste injection apparatus to work by solenoid electric valve.
Preferably, described microprocessor drives transmission device regulation to polish according to buff current radius by motor
Starch the spray gun aperture regulation knob of injection apparatus, and by actual angle by encoder feedback to microprocessor, control spray gun is opened
Spend size.
In a kind of buffing Humidity Automatic Control method, automatic on-line detection polishing process after cotton piece buff superficial humidity values,
Detection numerical value is handled, by adjusting single injection event time and the injection cycle parametric variable of rubbing paste injection apparatus, control
Cotton piece buff surface moisture processed is within limits.
Preferably, parameter value corresponding with the humidity value is further recorded by memory, utilizes the data prediction of record
The corresponding humid control parameter of other humidity values.
Preferably, the spray gun aperture of rubbing paste injection apparatus is further set according to buff radius varitation.
A kind of buffing Humidity Automatic Control method, specifically includes following steps：
Step 1：The injecting time for the rubbing paste injection apparatus being stored in memory corresponding to different ideal humidity values and
Injection cycle；
Step 2：It is H to preset ideal humidity value according to workpiece material before polishingi；
Step 3：Judge the default ideal humidity value HiWhether it is already present ideal humidity value in memory, if
Then according to single injection event the time T1 and injection cycle T2 of corresponding data setting rubbing paste injection apparatus in memory, and enter
Step 5；If it is not, then into step 4；
Step 4：It is already present in lookup memory, with the default ideal humidity value HiAn immediate humidity value
Hx, with humidity value HxSingle injection event the time T1 and injection cycle T2 of corresponding data setting rubbing paste injection apparatus, go forward side by side
Enter step 5；
Step 5：According to the T1 of setting and T2 control rubbing paste injection apparatus work；
Step 6：The cotton piece buff humidity value H that humidity sensor is detected is gathered with fixed sample period tn；
Step 7：Calculate rubbing paste injecting time COEFFICIENT K：
K=(Hi-Hn)/Hi；
Step 8：Single injection event time T1' is corrected according to time coefficient K：
T1'=K*T1
Worked with the single injection event time T1 ' controls rubbing paste injection apparatus of the amendment；
Step 9：The humidity value H arrived with reference to a upper cycle detectionn-1Calculate cotton piece buff humidity rate of descent VH：
VH=(Hn-1-Hn)/(Hn-2-Hn)；
Step 10：According to time coefficient K and cotton piece buff humidity rate of descent VHCorrect rubbing paste injection cycle T2'：
T2'=[(1-VH)+(1-K)]*T2
With the injection cycle T2' control rubbing paste injection apparatus work of the amendment；
Step 11：Judge whether current humidity value reaches ideal humidity value, if do not reached, proceed above-mentioned compensation
Program, i.e. return to step 6；
Step 12：If reaching ideal humidity value, by humidity value HiAnd its T1', T2' the deposit memory revised
In；Obtained HiReused with T1', T2' by compensation program.
Preferably, the step 4 is replaced with following scheme：According to already present in memory and ideal humidity value Hi
Immediate two humidity value Hx、HyCorresponding rubbing paste single injection event time and injection cycle T1x、T2x、T1y、T2yTo ask
HiCorresponding T1 and T2, afterwards into step 5；T1 and T2 can specifically be tried to achieve using equation below：
T1=[(Hi-Hx)(T1y-T1x)/(Hy-Hx)]+T1x
T2=[(Hi-Hx)(T2y-T2x)/(Hy-Hx)]+T2x。
Preferably, setting rubbing paste spray gun aperture is still further comprised after the step 4：
And worked with aperture control rubbing paste injection apparatus, wherein W is buff width, and △ R are cotton piece buff original half
Footpath and current cotton piece buff radial difference, L are distance of the cotton piece buff without surface and spray gun when wearing and tearing, VmaxFor rubbing paste spray gun maximum opening.
After such scheme, beneficial effect specific as follows of the invention：The present invention uses contactless online humidity sensor
Device detects cotton piece buff superficial humidity values, and the measurement result degree of accuracy is high, stability is good, and can be detected according to humidity detecting module
Humidity value is relatively stable in humidity value control rubbing paste injection apparatus addition rubbing paste, guarantee polishing processing, to probe into
Polish influence of the humidity to polishing effect and provide a kind of technological means of practicable.
Moreover, the present invention program can also be repaiied to the injecting time T1 and injection cycle T2 of rubbing paste injection apparatus in real time
It is fixed, the final result that revises can be also deposited into memory, to improve data, improve humidity control system response speed and
The degree of accuracy.
Brief description of the drawings
Fig. 1 is the structural representation of device of the present invention；
Fig. 2 is the flow chart of Humidity Automatic Control method of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Disclosed is a kind of buffing Humidity Automatic Control device, as shown in figure 1, being dress of the present invention
The preferred embodiment put.Described buffing Humidity Automatic Control device includes humidity sensor 1, the modulus being electrically connected to each other
Converter 2, memory 3, operation display unit 4, microprocessor 5 and rubbing paste injection apparatus 6.Wherein：
Described humidity sensor 1 is arranged on the side of buff 7, to detect cotton piece buff table in real time in polishing process
The humidity value is simultaneously transferred to microprocessor 5 by surface humidity value.
Described analog-digital converter 2 is converted to data signal to the analog signal for detecting humidity sensor 1, its with
Described humidity sensor 1 constitutes humidity detecting module together.
Described memory 3 is to store the related data such as humidity value and rubbing paste injection apparatus running parameter.
Described operation display unit 4 shows current humidity value to input humidity preset value.
Described microprocessor 5 controls rubbing paste injection apparatus 6 to handle Humidity Detection data, and according to result
Work, while also control operation display unit 4 works.
Described rubbing paste injection apparatus 6 is used to spray rubbing paste to buff, to change cotton piece buff humidity value.Described
Microprocessor 5 can control the rubbing paste injection apparatus 6 to work by solenoid electric valve 8.
The present invention has also pointed out a kind of buffing Humidity Automatic Control method, and this method is existed automatically by humidity sensor
In line detection polishing process after cotton piece buff superficial humidity values, detection numerical value is handled by microprocessor, by adjusting rubbing paste
The single injection event time of injection apparatus, three parametric variables of injection cycle and spray gun aperture, control cotton piece buff surface moisture is certain
Within the scope of.And corresponding with humidity value parameter value further can be recorded by memory, using record data prediction its
The corresponding humid control parameter of its humidity value, improves response speed and the degree of accuracy of humidity control system.
As shown in Fig. 2 being the particular flow sheet of the autocontrol method.Described autocontrol method includes following step
Suddenly：
Step 1：The injecting time for the rubbing paste injection apparatus being stored in memory corresponding to different ideal humidity values and
Injection cycle.
Step 2：It is H to preset ideal humidity value according to workpiece material before polishingi。
Step 3：Judge the default ideal humidity value HiWhether it is already present ideal humidity value in memory, if
Then according to single injection event the time T1 and injection cycle T2 of corresponding data setting rubbing paste injection apparatus in memory, and enter
Step 6；If it is not, then into step 4.
Step 4：It is already present in lookup memory, with the default ideal humidity value HiAn immediate humidity value
Hx, with humidity value HxSingle injection event the time T1 and injection cycle T2 of corresponding data setting rubbing paste injection apparatus, go forward side by side
Enter step 6.
In order to improve precision, make control parameter closer to perfect condition, the step 4 can also use following scheme：
According to already present in memory and ideal humidity value HiImmediate two humidity value Hx、HyCorresponding throwing
Light starches single injection event time and injection cycle T1x、T2x、T1y、T2yTo seek HiCorresponding T1 and T2, afterwards into step 6；T1
It can specifically be tried to achieve with T2 using equation below：
T1=[(Hi-Hx)(T1y-T1x)/(Hy-Hx)]+T1x
T2=[(Hi-Hx)(T2y-T2x)/(Hy-Hx)]+T2x。
Step 5：Set rubbing paste spray gun aperture VL：In order to ensure in the case where buff radius is tapered into, throw
Light slurry is still fully sprayed onto cloth wheel surface, and the spray gun of rubbing paste injection apparatus 6 can be set according to the variable quantity of cotton piece buff radius
Aperture.Specifically according to the current radius of buff 7 by motor 9 transmission device 11 can be driven to adjust by described microprocessor 5
The spray gun aperture regulation knob of rubbing paste injection apparatus 6 is saved, and the actual anglec of rotation is fed back into microprocessor by encoder 10
Device 5 controls spray gun aperture size, and work with aperture control rubbing paste injection apparatus to improve control accuracy.And can be with
Set by equation below：
Wherein：W is buff width, and △ R are cotton piece buff original radius and current cotton piece buff radial difference, and L is cotton piece buff without mill
The distance of surface and spray gun, V during damagemaxFor rubbing paste spray gun maximum opening.
Step 6：According to T1, T2 and V of settingLControl the work of rubbing paste injection apparatus.
Due to the corresponding relation of ideal humidity value and injecting time T1 and injection cycle T2 of the deposit in advance in memory
Generally by empirical, it is thus possible to do not tally with the actual situation, the humidity value pair by detecting in real time is needed for this
Injecting time and injection cycle revise comprising the following steps that：
Step 7：The cotton piece buff humidity value H that humidity sensor is detected is gathered with fixed sample period tn。
Step 8：Calculate rubbing paste injecting time COEFFICIENT K：
K=(Hi-Hn)/Hi。
Step 9：Single injection event time T1' is corrected according to time coefficient K：
T1'=K*T1
With the single injection event time T1' control rubbing paste injection apparatus work of the amendment.
Step 10：The humidity value H arrived with reference to a upper cycle detectionn-1Calculate cotton piece buff humidity rate of descent VH：
VH=(Hn-1-Hn)/(Hn-2-Hn)。
Step 11：According to time coefficient K and cotton piece buff humidity rate of descent VHCorrect rubbing paste injection cycle T2'：
T2'=[(1-VH)+(1-K)]*T2
Worked with the injection cycle T2 ' control rubbing pastes injection apparatus of the amendment.
Step 12：Judge whether current humidity value reaches ideal humidity value, if do not reached, proceed above-mentioned compensation
Program, i.e. return to step 7.
Step 13：If reaching ideal humidity value, by humidity value HiAnd its T1', T2' the deposit memory revised
In；Obtained HiReused with T1', T2' by compensation program, improve constantly the accuracy of offset data.
Buffing Humidity Detection and compensation method principle as described above are simple, it is easy to accomplish, this method has higher
Accuracy of detection and practical value.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore the change or modification that claim under this invention and specification are done in every case, it should all belong to the scope that patent of the present invention covers
Within.
Claims (3)
1. a kind of buffing Humidity Automatic Control method, it is characterised in that comprise the following steps：
Step 1：The injecting time for the rubbing paste injection apparatus being stored in memory corresponding to different ideal humidity values and injection
Cycle；
Step 2：It is H to preset ideal humidity value according to workpiece material before polishingi；
Step 3：Judge the default ideal humidity value HiWhether it is already present ideal humidity value in memory, if it is presses
According to single injection event the time T1 and injection cycle T2 of corresponding data setting rubbing paste injection apparatus in memory, and enter step
5；If it is not, then into step 4；
Step 4：It is already present in lookup memory, with the default ideal humidity value HiAn immediate humidity value Hx, with
Humidity value HxSingle injection event the time T1 and injection cycle T2 of corresponding data setting rubbing paste injection apparatus, and enter step
Rapid 5；
Step 5：According to the T1 of setting and T2 control rubbing paste injection apparatus work；
Step 6：The cotton piece buff humidity value H that humidity sensor is detected is gathered with fixed sample period tn；
Step 7：Calculate rubbing paste injecting time COEFFICIENT K：
K=(Hi-Hn)/Hi；
Step 8：Single injection event time T1' is corrected according to time coefficient K：
T1'=K*T1
With the single injection event time T1' control rubbing paste injection apparatus work of the amendment；
Step 9：The humidity value H arrived with reference to a upper cycle detectionn-1Calculate cotton piece buff humidity rate of descent VH：
VH=(Hn-1-Hn)/(Hn-2-Hn)；
Step 10：According to time coefficient K and cotton piece buff humidity rate of descent VHCorrect rubbing paste injection cycle T2'：
T2'=[(1-VH)+(1-K)]*T2
With the injection cycle T2' control rubbing paste injection apparatus work of the amendment；
Step 11：Judge whether current humidity value reaches ideal humidity value, if do not reached, proceed compensation program, i.e.,
Return to step 6；
Step 12：If reaching ideal humidity value, by humidity value HiAnd its in T1', T2' the deposit memory revised；
The H arrivediReused with T1', T2' by compensation program.
2. buffing Humidity Automatic Control method according to claim 1, it is characterised in that the step 4 is with such as lower section
Case is replaced：According to already present in memory and ideal humidity value HiImmediate two humidity value Hx、HyCorresponding throwing
Light starches single injection event time and injection cycle T1x、T2x、T1y、T2yTo seek HiCorresponding T1 and T2, afterwards into step 5；T1
It can specifically be tried to achieve with T2 using equation below：
T1=[(Hi-Hx)(T1y-T1x)/(Hy-Hx)]+T1x
T2=[(Hi-Hx)(T2y-T2x)/(Hy-Hx)]+T2x。
3. buffing Humidity Automatic Control method according to claim 1 or 2, it is characterised in that：After the step 4 also
Further comprise setting rubbing paste spray gun aperture：And with aperture control rubbing paste spray
Injection device works, and wherein W is buff width, and △ R are cotton piece buff original radius and current cotton piece buff radial difference, L be cotton piece buff without
The distance of surface and spray gun, V during abrasionmaxFor rubbing paste spray gun maximum opening.
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| CN201510495905.5A CN104999368B (en) | 2015-08-13 | 2015-08-13 | Buffing Humidity Automatic Control device and its control method |
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| CN107932334A (en) * | 2016-10-12 | 2018-04-20 | 石嘴山市林昱机械科技有限公司 | Polishing machine operation polishing scratch is smeared surface abrasion cancellation element |
| CN114241619B (en) * | 2021-12-03 | 2024-01-09 | 中环领先半导体材料有限公司 | Method for automatically calculating pressurization of polished surface type correction center |
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| CH650186A5 (en) * | 1980-03-06 | 1985-07-15 | Fortuna Werke Maschf Ag | Process for controlling, error correcting and determining changing variables in grinding machines for grinding workpieces |
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