CN104999368A - Device and method for automatically controlling buffing humidity - Google Patents
Device and method for automatically controlling buffing humidity Download PDFInfo
- Publication number
- CN104999368A CN104999368A CN201510495905.5A CN201510495905A CN104999368A CN 104999368 A CN104999368 A CN 104999368A CN 201510495905 A CN201510495905 A CN 201510495905A CN 104999368 A CN104999368 A CN 104999368A
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- Prior art keywords
- humidity
- buffing
- humidity value
- rubbing paste
- value
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Classifications
-
- 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 device and a method for automatically controlling buffing humidity, and relates to the field of buffing processing. According to the device and the method, after a humidity sensor performs automatic online detection on a buffing wheel surface humidity value in a buffing process, the detection value is processed by a microprocessor, the opening of a spray gun is adjusted according to a current buffing wheel radius, buffing slurry is sufficiently sprayed on the surface of the buffing wheel, the buffing wheel surface humidity is controlled in a certain range by adjusting two parametric variables including single-jetting time and jetting period of a buffing slurry jetting device, a parameter value corresponding to the humidity value can be further recorded by a memorizer, humidity control parameters corresponding to other humidity values are predicated according to the recorded data, and accordingly, the response speed and the accuracy degree of a humidity control system are increased.
Description
Technical field
The present invention relates to a kind of buffing Humidity Automatic Control device and control method thereof, belong to buffing machinery field.
Background technology
Along with improving constantly of China's manufacturing industry level and people's living standard, consumer is more strict to the requirement of product surface fineness, and polishing to be product obtain one of important procedure of high surfaces fineness.Current most of factory of China still carries out polishing by workman is manual to product surface, and glossing and product quality mainly rely on workman's work experience to ensure.Therefore, there is unstable product quality, labor strength is large, work situation is severe, to problems such as experienced operator's degree of dependence are large.
Current many factories have started to introduce manipulator and special-purpose polishing lathe carries out polishing operation, therefore have wide market prospects to the research of buffing technique.Wherein polishing humidity is also comparatively remarkable on the impact of polishing effect, and simple, reliable humidity compensate method is significant to the automaticity improving polishing equipment.
Application number is 201210200707.8, name is called: improve the method for precise polished process velocity and workpiece surface quality and the Chinese invention patent application of device, disclosed in it, method is: first, polishing machine is placed in enclosed hood, and entering polishing area to prevent external dust affects quality of finish; Secondly, in enclosed hood, the gas matched is filled with, to regulate gas pressure, the temperature and humidity in seal closure; 3rd, the sensor being used for detected pressures, temperature and humidity is installed in seal closure, so that control system regulates air feed parameter automatically, reaches the object improving material removing rate and workpiece surface quality.Disclosed in it, device key is contained in enclosed hood by equipment cover necessary for overall processing.This patent application can improve material removing rate, improves surface smoothness.Although this front case also can regulate humidity, but its mainly ambient humidity regulated, the object regulated improves the clearance of rapidoprint, and regulative mode is insufflation gas in seal closure, by the object regulating the parameter of air feed to reach regulating environmental humidity.
But in buffing processing equipment, the humidity of cloth wheel itself also exists larger impact to polishing effect, and only by change ambient humidity, humidity cannot be taken turns to cloth and carry out regulable control.And inventor is set out by this point just, propose a kind ofly to take turns to cloth the device and method that humidity carries out automatically controlling, this case produces therefrom.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of buffing Humidity Automatic Control device and control method thereof, and it can control the humidity of cloth wheel automatically, and in guarantee polishing processing, humidity value is relatively stable.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of buffing Humidity Automatic Control device, comprises the humidity sensor, memory, operation display unit, microprocessor and the rubbing paste injection apparatus that are electrically connected to each other; This humidity sensor is arranged on the side of buff, in order to detect cloth wheel surface humidity value in real time and this humidity value is transferred to microprocessor in polishing process; This microprocessor in order to process Humidity Detection data, and controls the work of rubbing paste injection apparatus according to result, simultaneously also control operation display unit work.
Preferably, analog signal is converted to data signal by analog-digital converter by described humidity sensor, and this analog-digital converter forms humidity detecting module together with this humidity sensor.
Preferably, described microprocessor controls described rubbing paste injection apparatus work by solenoid electric valve.
Preferably, described microprocessor regulates the spray gun aperture adjusting knob of rubbing paste injection apparatus by driven by motor transmission device according to buff current radius, and by actual angle by encoder feedback to microprocessor, control spray gun aperture size.
A kind of buffing Humidity Automatic Control method, in automatic on-line detection polishing process after cloth wheel surface humidity value, detection numerical value being processed, by regulating single injection event time and the injection cycle parametric variable of rubbing paste injection apparatus, controlling cloth wheel surface humidity within limits.
Preferably, further by the parameter value that memory record is corresponding with this humidity value, utilize the humid control parameter that other humidity value of data prediction of record is corresponding.
Preferably, further according to the spray gun aperture of buff radius varitation setting rubbing paste injection apparatus.
A kind of buffing Humidity Automatic Control method, specifically comprises the steps:
Step 1: in memory stored in injecting time and the injection cycle of the rubbing paste injection apparatus corresponding to different ideal humidity value;
Step 2: presetting ideal humidity value according to workpiece material before polishing is H
i;
Step 3: judge this ideal humidity value H preset
iwhether be already present ideal humidity value in memory, if it is according to single injection event time T1 and the injection cycle T2 of data setting rubbing paste injection apparatus corresponding in memory, and enter step 5; If not, then step 4 is entered;
Step 4: search in memory already present, with described default ideal humidity value H
ian immediate humidity value H
x, with this humidity value H
xthe single injection event time T1 of corresponding data setting rubbing paste injection apparatus and injection cycle T2, and enter step 5;
Step 5: control the work of rubbing paste injection apparatus according to T1 and T2 of setting;
Step 6: the cloth wheel humidity value H detected with fixed sample period t collection humidity sensor
n;
Step 7: calculate rubbing paste injecting time COEFFICIENT K:
K＝(H
i-H
n)/H
i；
Step 8: revise single injection event time T1 ' according to time coefficient K:
T1'＝K*T1
Work with the single injection event time T1 ' control rubbing paste injection apparatus of this correction;
Step 9: combine the humidity value H that a upper cycle detection is arrived
n-1calculate cloth wheel humidity rate of descent V
h:
V
H＝(H
n-1-H
n)/(H
n-2-H
n)；
Step 10: take turns humidity rate of descent V according to time coefficient K and cloth
hrevise rubbing paste injection cycle T2 ':
T2'＝[(1-V
H)+(1-K)]*T2
Work with the injection cycle of this correction T2 ' control rubbing paste injection apparatus;
Step 11: judge whether current humidity value reaches ideal humidity value, if do not reached, then proceeds above-mentioned compensation program, namely returns step 6;
Step 12: if reach ideal humidity value, then by this humidity value H
iand the T1 ' revised, T2 ' are stored in memory; The H obtained
iagain utilized by compensation program with T1 ', T2 '.
Preferably, described step 4 replaces with following scheme: according to already present in memory, with this ideal humidity value H
iimmediate two humidity value H
x, H
ycorresponding rubbing paste single injection event time and injection cycle T1
x, T2
x, T1
y, T2
yask H
icorresponding T1 and T2, enters step 5 afterwards; T1 and T2 specifically can adopt following formula to try to achieve:
T1＝[(H
i-H
x)(T1
y-T1
x)/(H
y-H
x)]+T1
x
T2＝[(H
i-H
x)(T2
y-T2
x)/(H
y-H
x)]+T2
x。
Preferably, setting rubbing paste spray gun aperture is also comprised after described step 4 further:
And control the work of rubbing paste injection apparatus with this aperture, wherein W is buff width, and Δ R is cloth wheel green diameter and current cloth wheel diameter difference, and L is that cloth is taken turns without the distance of surface during wearing and tearing with spray gun, V
maxfor rubbing paste spray gun maximum opening.
After adopting such scheme, the present invention's beneficial effect specific as follows: the present invention adopts contactless online humidity sensor to detect cloth wheel surface humidity value, the measurement result degree of accuracy is high, good stability, and the humidity value that can detect according to humidity detecting module controls rubbing paste injection apparatus interpolation rubbing paste, in guarantee polishing processing, humidity value is relatively stable, provides a kind of technological means of practicable for probing into the impact of polishing humidity on polishing effect.
And the present invention program also can revise the injecting time T1 of rubbing paste injection apparatus and injection cycle T2 in real time, also can be deposited in memory by the final result that revises, to improve data, improve response speed and the degree of accuracy of MCS.
Accompanying drawing explanation
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.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Disclosed is a kind of buffing Humidity Automatic Control device, as shown in Figure 1, is the preferred embodiment of device of the present invention.Described buffing Humidity Automatic Control device comprises the humidity sensor 1, analog-digital converter 2, memory 3, operation display unit 4, microprocessor 5 and the rubbing paste injection apparatus 6 that are electrically connected to each other.Wherein:
Described humidity sensor 1 is arranged on the side of buff 7, in order to detect cloth wheel surface humidity value in real time and this humidity value is transferred to microprocessor 5 in polishing process.
Described analog-digital converter 2 is converted to data signal in order to the analog signal detected by humidity sensor 1, and it forms humidity detecting module together with described humidity sensor 1.
Described memory 3 is in order to store the related data such as humidity value and rubbing paste injection apparatus running parameter.
Described operation display unit 4 in order to input humidity preset value, and shows current humidity value.
Described microprocessor 5 in order to process Humidity Detection data, and works according to result control rubbing paste injection apparatus 6, and also control operation display unit 4 works simultaneously.
Described rubbing paste injection apparatus 6, in order to spray rubbing paste to buff, takes turns humidity value to change cloth.Described microprocessor 5 can control this rubbing paste injection apparatus 6 by solenoid electric valve 8 and work.
The present invention has also pointed out a kind of buffing Humidity Automatic Control method, the method is by after cloth wheel surface humidity value in humidity sensor automatic on-line detection polishing process, by microprocessor, detection numerical value is processed, by regulating single injection event time of rubbing paste injection apparatus, injection cycle and spray gun aperture three parametric variables, control cloth wheel surface humidity within limits.And further by the memory record parameter value corresponding with this humidity value, the humid control parameter that other humidity value of data prediction of record is corresponding can be utilized, improve response speed and the degree of accuracy of MCS.
As shown in Figure 2, be the particular flow sheet of described autocontrol method.Described autocontrol method comprises the steps:
Step 1: in memory stored in injecting time and the injection cycle of the rubbing paste injection apparatus corresponding to different ideal humidity value.
Step 2: presetting ideal humidity value according to workpiece material before polishing is H
i.
Step 3: judge this ideal humidity value H preset
iwhether be already present ideal humidity value in memory, if it is according to single injection event time T1 and the injection cycle T2 of data setting rubbing paste injection apparatus corresponding in memory, and enter step 6; If not, then step 4 is entered.
Step 4: search in memory already present, with described default ideal humidity value H
ian immediate humidity value H
x, with this humidity value H
xthe single injection event time T1 of corresponding data setting rubbing paste injection apparatus and injection cycle T2, and enter step 6.
In order to improve precision, make controling parameters closer to perfect condition, this step 4 also can adopt following scheme:
According to already present in memory, with this ideal humidity value H
iimmediate two humidity value H
x, H
ycorresponding rubbing paste single injection event time and injection cycle T1
x, T2
x, T1
y, T2
yask H
icorresponding T1 and T2, enters step 6 afterwards; T1 and T2 specifically can adopt following formula to try to achieve:
T1＝[(H
i-H
x)(T1
y-T1
x)/(H
y-H
x)]+T1
x
T2＝[(H
i-H
x)(T2
y-T2
x)/(H
y-H
x)]+T2
x。
Step 5: setting rubbing paste spray gun aperture V
l: in order to ensure when buff radius diminishes gradually, rubbing paste is still fully sprayed onto cloth wheel surface, can take turns the spray gun aperture of the variable quantity setting rubbing paste injection apparatus 6 of radius according to cloth.Specifically transmission device 11 can be driven according to buff 7 current radius to regulate the spray gun aperture adjusting knob of rubbing paste injection apparatus 6 by motor 9 by described microprocessor 5, and the actual anglec of rotation is fed back to microprocessor 5 to improve control accuracy by encoder 10, control spray gun aperture size, and control the work of rubbing paste injection apparatus with this aperture.And can be set by following formula:
Wherein: W is buff width, Δ R is cloth wheel green diameter and current cloth wheel diameter difference, and L is that cloth is taken turns without the distance of surface during wearing and tearing with spray gun, V
maxfor rubbing paste spray gun maximum opening.
Step 6: according to T1, T2 and V of setting
lcontrol the work of rubbing paste injection apparatus.
Because the prior corresponding relation stored in the ideal humidity value in memory and injecting time T1 and injection cycle T2 is generally obtained by experience, therefore may not tallying with the actual situation, needing the humidity value by detecting in real time to revise concrete steps to injecting time and injection cycle as follows for this reason:
Step 7: the cloth wheel humidity value H detected with fixed sample period t collection humidity sensor
n.
Step 8: calculate rubbing paste injecting time COEFFICIENT K:
K＝(H
i-H
n)/H
i。
Step 9: revise single injection event time T1 ' according to time coefficient K:
T1'＝K*T1
Work with the single injection event time T1 ' control rubbing paste injection apparatus of this correction.
Step 10: combine the humidity value H that a upper cycle detection is arrived
n-1calculate cloth wheel humidity rate of descent V
h:
V
H＝(H
n-1-H
n)/(H
n-2-H
n)。
Step 11: take turns humidity rate of descent V according to time coefficient K and cloth
hrevise rubbing paste injection cycle T2 ':
T2'＝[(1-V
H)+(1-K)]*T2
Work with the injection cycle of this correction T2 ' control rubbing paste injection apparatus.
Step 12: judge whether current humidity value reaches ideal humidity value, if do not reached, then proceeds above-mentioned compensation program, namely returns step 7.
Step 13: if reach ideal humidity value, then by this humidity value H
iand the T1 ' revised, T2 ' are stored in memory; The H obtained
iagain utilized by compensation program with T1 ', T2 ', improve constantly the accuracy of offset data.
Simply, be easy to realize, the method has higher accuracy of detection and practical value for buffing Humidity Detection as above and compensation method principle.
The above is only preferred embodiment of the present invention, not imposes any restrictions technical scope of the present invention, therefore the change in every case done according to claim of the present invention and description or modification, all should belong within scope that patent of the present invention contains.
Claims (10)
1. a buffing Humidity Automatic Control device, is characterized in that: comprise the humidity sensor (1), memory (3), operation display unit (4), microprocessor (5) and the rubbing paste injection apparatus (6) that are electrically connected to each other; This humidity sensor (1) is arranged on the side of buff (7), in order to detect cloth wheel surface humidity value in real time and this humidity value is transferred to microprocessor (5) in polishing process; This microprocessor (5) in order to process Humidity Detection data, and controls rubbing paste injection apparatus (6) work according to result, simultaneously also control operation display unit (4) work.
2. buffing Humidity Automatic Control device according to claim 1, is characterized in that: described microprocessor (5) controls described rubbing paste injection apparatus (6) work by solenoid electric valve (8).
3. buffing Humidity Automatic Control device according to claim 1 and 2, it is characterized in that: analog signal is converted to data signal by analog-digital converter (2) by described humidity sensor (1), this analog-digital converter (2) forms humidity detecting module together with this humidity sensor (1).
4. buffing Humidity Automatic Control device according to claim 1 and 2, it is characterized in that: described microprocessor (5) drives transmission device (11) to regulate the spray gun aperture adjusting knob of rubbing paste injection apparatus (6) according to buff (7) current radius by motor (9), control spray gun aperture size, and actual corners angle value is fed back to microprocessor (5) by encoder (10).
5. a buffing Humidity Automatic Control method, it is characterized in that: in automatic on-line detection polishing process after cloth wheel surface humidity value, detection numerical value is processed, by regulating single injection event time and the injection cycle parametric variable of rubbing paste injection apparatus, control cloth wheel surface humidity within limits.
6. buffing Humidity Automatic Control device according to claim 5, is characterized in that: further by the parameter value that memory record is corresponding with this humidity value, utilizes the humid control parameter that other humidity value of data prediction of record is corresponding.
7. buffing Humidity Automatic Control device according to claim 5, is characterized in that: further according to the spray gun aperture of buff radius varitation setting rubbing paste injection apparatus.
8. a buffing Humidity Automatic Control method, is characterized in that comprising the steps:
Step 1: in memory stored in injecting time and the injection cycle of the rubbing paste injection apparatus corresponding to different ideal humidity value;
Step 2: presetting ideal humidity value according to workpiece material before polishing is H
i;
Step 3: judge this ideal humidity value H preset
iwhether be already present ideal humidity value in memory, if it is according to single injection event time T1 and the injection cycle T2 of data setting rubbing paste injection apparatus corresponding in memory, and enter step 5; If not, then step 4 is entered;
Step 4: search in memory already present, with described default ideal humidity value H
ian immediate humidity value H
x, with this humidity value H
xthe single injection event time T1 of corresponding data setting rubbing paste injection apparatus and injection cycle T2, and enter step 5;
Step 5: control the work of rubbing paste injection apparatus according to T1 and T2 of setting;
Step 6: the cloth wheel humidity value H detected with fixed sample period t collection humidity sensor
n;
Step 7: calculate rubbing paste injecting time COEFFICIENT K:
K＝(H
i-H
n)/H
i；
Step 8: revise single injection event time T1 ' according to time coefficient K:
T1'＝K*T1
Work with the single injection event time T1 ' control rubbing paste injection apparatus of this correction;
Step 9: combine the humidity value H that a upper cycle detection is arrived
n-1calculate cloth wheel humidity rate of descent V
h:
V
H＝(H
n-1-H
n)/(H
n-2-H
n)；
Step 10: take turns humidity rate of descent V according to time coefficient K and cloth
hrevise rubbing paste injection cycle T2 ':
T2'＝[(1-V
H)+(1-K)]*T2
Work with the injection cycle of this correction T2 ' control rubbing paste injection apparatus;
Step 11: judge whether current humidity value reaches ideal humidity value, if do not reached, then proceeds above-mentioned compensation program, namely returns step 6;
Step 12: if reach ideal humidity value, then by this humidity value H
iand the T1 ' revised, T2 ' are stored in memory; The H obtained
iagain utilized by compensation program with T1 ', T2 '.
9. buffing Humidity Automatic Control method according to claim 8, is characterized in that described step 4 replaces with following scheme: according to already present in memory, with this ideal humidity value H
iimmediate two humidity value H
x, H
ycorresponding rubbing paste single injection event time and injection cycle T1
x, T2
x, T1
y, T2
yask H
icorresponding T1 and T2, enters step 5 afterwards; T1 and T2 specifically can adopt following formula to try to achieve:
T1＝[(H
i-H
x)(T1
y-T1
x)/(H
y-H
x)]+T1
x
T2＝[(H
i-H
x)(T2
y-T2
x)/(H
y-H
x)]+T2
x。
10. buffing Humidity Automatic Control method according to claim 8 or claim 9, is characterized in that: also comprise setting rubbing paste spray gun aperture after described step 4 further:
and control the work of rubbing paste injection apparatus with this aperture, wherein W is buff width, and Δ R is cloth wheel green diameter and current cloth wheel diameter difference, and L is that cloth is taken turns without the distance of surface during wearing and tearing with spray gun, V
maxfor rubbing paste spray gun maximum opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495905.5A CN104999368B (en) | 2015-08-13 | 2015-08-13 | Buffing Humidity Automatic Control device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495905.5A CN104999368B (en) | 2015-08-13 | 2015-08-13 | Buffing Humidity Automatic Control device and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN104999368A true CN104999368A (en) | 2015-10-28 |
| CN104999368B CN104999368B (en) | 2017-10-31 |
Family
ID=54372363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495905.5A Active CN104999368B (en) | 2015-08-13 | 2015-08-13 | Buffing Humidity Automatic Control device and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104999368B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114241619A (en) * | 2021-12-03 | 2022-03-25 | 中环领先半导体材料有限公司 | Method for automatically calculating pressurization of polishing surface type correction center |
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| 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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| Publication number | Publication date |
|---|---|
| CN104999368B (en) | 2017-10-31 |
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