CN116907729B - Impeller balance correction method based on dispensing and quality improvement - Google Patents
Impeller balance correction method based on dispensing and quality improvement Download PDFInfo
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- CN116907729B CN116907729B CN202310859932.0A CN202310859932A CN116907729B CN 116907729 B CN116907729 B CN 116907729B CN 202310859932 A CN202310859932 A CN 202310859932A CN 116907729 B CN116907729 B CN 116907729B
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- 238000012937 correction Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000006872 improvement Effects 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000013102 re-test Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 55
- 239000003292 glue Substances 0.000 claims description 50
- 239000013598 vector Substances 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007712 rapid solidification Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000001723 curing Methods 0.000 description 18
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Testing Of Balance (AREA)
Abstract
The invention relates to the technical field of rotor detection, in particular to an impeller balance correction method based on dispensing and quality improvement, which comprises the following steps of S1, testing and marking the balance of an impeller; s2, correcting, fixing and adjusting the position of the impeller; s3, dispensing, quality improvement and solidification of the impeller; and S4, retesting and correction times of the impeller are judged. According to the invention, the balance test is carried out on the impeller through the balance machine, the unbalance position of the impeller judged to be correctable is marked, the correction angle of the impeller and the position of the impeller relative to the dispensing and adding module are adjusted through the angle rotating assembly and the displacement cylinder, meanwhile, rapid solidification treatment is carried out, so that retest is carried out on the impeller, the full-automatic correction of the impeller is realized through controlling the correction times of the impeller, the accuracy of impeller detection data is ensured through the accurate detection of the balance machine and the corresponding calculation of the balance value, and the improvement of the correction efficiency and effect of the impeller is realized through the accurate control of dispensing correction.
Description
Technical Field
The invention relates to the technical field of rotor detection, in particular to an impeller balance correction method based on dispensing and quality improvement.
Background
The heat dissipation impeller and the rotor belong to a revolving body and operate through rotation of the heat dissipation impeller and the rotor, the heat dissipation impeller and the rotor are widely applied along with development of technology, meanwhile, requirements on the heat dissipation impeller and the rotor are improved, the heat dissipation impeller and the rotor can stably rotate and run, the heat dissipation impeller and the rotor have good service life, balance test is required to be carried out on the heat dissipation impeller and the rotor when the impeller leaves a factory, the quality distribution condition of the impeller is detected, impeller defects caused by accurate deficiency of production are effectively avoided, but in actual conditions, in order to ensure output efficiency and waste of defective products, the relatively good part of defective impellers are subjected to correction treatment through correction means, and therefore the use requirements can be met.
Chinese patent publication No.: CN109406055A discloses an automatic correction fan blade balancing device and a control method thereof; the technical point is that the positions of the blades to be corrected and offset parameters of the upper surfaces and the lower surfaces of the blades are calculated, and glue is added through the glue adding unit, so that in the prior art, the balance test calculation of the corresponding impeller is simpler, the actual condition of the impeller cannot be shown, meanwhile, the correction process is extremely complex, more human intervention is often required, the glue adding efficiency of the impeller is also caused, and the situation of poor and uneven correction effect is caused.
Disclosure of Invention
Therefore, the invention provides an impeller balance correction method based on dispensing and quality improvement, which is used for solving the problem of low correction effect caused by large impeller balance calculation error in the prior art.
In order to achieve the above purpose, the invention provides an impeller balance correction method based on dispensing and quality improvement, which comprises the following steps,
Step S1, fixing an impeller to be detected on a balancing machine, carrying out balance test on the impeller to be detected through the balancing machine, judging whether the impeller is a qualified impeller, a modifiable impeller and a disqualified impeller according to a set standard balance value, and marking the unbalanced position of the impeller with a modifiable balance test result;
S2, turning over the marked modifiable impeller through a turning-over assembly and fixing the modifiable impeller at an angle rotating assembly, wherein the angle rotating assembly adjusts the relative position of the unbalanced position of the impeller and the dispensing and adding module according to the angle of the marked rotatable impeller at the unbalanced position of the impeller, and adjusts the distance between the impeller and the dispensing and adding module through a displacement cylinder;
Step S3, dispensing the unbalanced position of the impeller through the dispensing and quality-improving module, solidifying the glue at the position where dispensing is finished through a UV solidifying lamp, overturning the unbalanced impeller through the overturning assembly, and retesting on a balancing machine;
and S4, repeating the operation of the step S1 to retest the impeller, obtaining the retest result as the dispensing correction times of the modifiable impeller, marking the unbalanced position of the modifiable impeller with the dispensing correction times less than or equal to the set balance correction times, overturning through the overturning assembly, fixing the rotatable impeller at the angle rotating assembly, and repeatedly correcting through the dispensing and quality-improving module.
Further, the step S1 comprises,
S11, grabbing an impeller to be detected at a feeding machine through a four-axis mechanical arm, placing the impeller on a rotary sliding table of the balancing machine, and fixing the impeller to be detected through a vacuum adsorption positioning tool of the rotary sliding table;
Step S12, driving the impeller to be detected to rotate through the rotary sliding table, respectively carrying out laser ranging on the blade end faces of the rotating impeller through three groups of laser sensors arranged on one side of the rotary sliding table, recording laser ranging data corresponding to the rotation angle of the impeller and the rotation angle, and filtering detection data of gaps among the blades of the impeller in the detection data;
step S13, measuring the distance between the laser sensor and the base surface of the rotary sliding table through the laser sensor, and respectively calculating difference values of the filtered detection data under each rotation angle and the distance between the laser sensor and the base surface of the rotary sliding table to obtain the heights of the fan blades corresponding to each rotation angle as three groups of original data;
Step S14, respectively calculating offset peaks of the impeller blades in three groups of original data, respectively marking the offset peaks as W1, W2 and W3, and selecting the maximum value from the three groups of offset peaks W1, W2 and W3 as the swing value W of the impeller;
the offset peak value is the difference value between the maximum value of the fan blade height and the minimum value of the fan blade height in any group of original data;
And S15, acquiring detection data of three groups of laser sensors at the same time from three groups of original data, respectively marking the detection data as Z1, Z2 and Z3, acquiring the distance from the detection point to the axis of the fixed position of the impeller as R, and calculating the parallelism T of the impeller relative to the base surface of the rotating sliding table.
Further, in the step S12, three sets of laser sensors are disposed around the rotating sliding table, and distances from the three sets of laser sensors to the axis of the impeller fixing portion are equal, that is, the same laser sensor rotates by 0 °, 120 ° and 240 ° respectively with respect to the axis of the impeller fixing portion as a center.
Further, in the step S15, coordinates P1 (0, R, Z1) of the three measurement points are set based on the detection data Z1, Z2, Z3 of the three laser sensors and the distance R between the detection point and the axis of the impeller fixing portion,And calculates the vector/>, between any points by the coordinates of the three points P1, P2 and P3And according to/>Determining the normal vector/>, of the plane in which the two vectors lie，/>Calculating an included angle a between the vector and the Z axis, and calculating the parallelism T of the impeller relative to the base surface of the rotary sliding table according to the included angle a and the distance R from the detection point to the axis of the fixed position of the impeller;
Wherein,
Further, in the step S1, a standard balance value is set, where the standard balance value includes a first balance value Y1 and a second balance value Y2, where Y1 < Y2, and a true balance value Ys of the impeller is calculated according to the balance test result swing value W and the parallelism T of the impeller, where ys=wxq1+t×q2;
Judging an impeller with a real balance value Ys smaller than or equal to a first balance value Y1 as a qualified impeller, taking down the impeller on the balancing machine by the four-axis manipulator, and placing the impeller at a qualified area of the blanking machine;
judging an impeller with a real balance value Ys larger than a first balance value Y1 and smaller than or equal to a second balance value Y2 as a modifiable impeller, overturning the impeller through an overturning assembly, and fixing the impeller at an angle rotating assembly for dispensing correction;
judging an impeller with a real balance value Ys larger than a second balance value Y2 as a disqualified impeller, taking down the impeller on the balancing machine through the four-axis manipulator, and placing the impeller at a disqualified area of the blanking machine;
wherein Q1 is the weight duty ratio of the impeller swing value, and Q2 is the weight duty ratio of the impeller parallelism.
Further, in the step S1, the balancing machine includes a placement platform, a rotating sliding table, and three groups of laser sensors, where the rotating sliding table and the three groups of laser sensors are all disposed on the placement platform; the rotary sliding table is internally provided with a vacuum adsorption positioning tool which is used for fixing the impeller to be detected and driving the impeller to be detected to rotate; and a fine-tuning micrometer group is arranged in the laser sensor and is used for adjusting the detection position of the laser sensor.
Further in step S2, the turnover assembly includes, upgrades cylinder, revolving cylinder, snatchs cylinder and clamping jaw, the clamping jaw with snatch the cylinder and link to each other, snatch the cylinder and carry out centre gripping impeller through driving the clamping jaw, snatch the cylinder setting and be in on the revolving cylinder, revolving cylinder is used for snatching the cylinder through the rotation and drives the impeller upset, revolving cylinder sets up one side of upgrading cylinder, upgrading cylinder is used for controlling revolving cylinder and snatch the cylinder and goes up and down, drives the impeller that is held and goes up and down to dodge.
Further, in the step S2, the angle rotating assembly includes a vacuum jig for fixing the impeller, a rotating mechanism for driving the vacuum jig and the impeller to rotate, a servo motor for driving the rotating mechanism, and a displacement cylinder disposed at the bottom of the servo motor; one side of the rotating mechanism is also provided with a detection electric eye for identifying the unbalanced position of the impeller, and the displacement cylinder is used for driving the rotating mechanism and the impeller fixed by the vacuum jig to move to the dispensing and quality-improving module.
Further, in the step S2, the dispensing and quality-improving module includes a moving mechanism, a CCD mechanism, a dispensing mechanism, a UV glue curing lamp, a curing detecting mechanism, and a glue spreading mechanism, wherein,
The moving mechanism comprises a lifting cylinder, an X-axis module and is used for driving the dispensing mechanism to move in three-dimensional space;
A dispensing valve and a liquid level sensor are arranged in the dispensing mechanism, the dispensing amount used for controlling dispensing is controlled, and the liquid level sensor is used for detecting the real-time amount of the dispensing mechanism;
The CCD mechanism is used for identifying the positions of the reinforcing ribs and the dispensed positions in the glue storage groove of the impeller so as to control the glue dispensing mechanism to avoid the positions of the reinforcing ribs and the dispensed positions during glue dispensing;
The UV glue curing lamp is used for irradiating the glue dispensing position of the impeller to cure the glue at the glue dispensing position of the impeller;
The curing detection mechanism is arranged at the lower part of the UV glue curing lamp and used for detecting energy attenuation of the UV glue curing lamp in real time so as to feed back and adjust the curing time of the UV glue curing lamp; and the glue wiping mechanism is arranged on one side of the moving mechanism and is used for cleaning the dispensing valve for dispensing.
Further, in the step S4, retesting is carried out on the impeller subjected to the dispensing correction, the impeller is judged to be a qualified impeller, a modifiable impeller or a disqualified impeller according to the operation of the step S1,
Taking down the qualified impeller on the balancing machine through the four-axis mechanical arm and placing the impeller at a qualified area of the blanking machine;
The unqualified impeller is taken down by the four-axis manipulator from the impeller on the balancing machine and is placed in an unqualified area of the blanking machine;
The set point glue correction times, for the impeller with the modifiable retest result, the real-time glue-dispensing correction times of the impeller are obtained,
Marking unbalanced positions of impellers with real-time dispensing correction times smaller than or equal to the set dispensing correction times, overturning through an overturning assembly, fixing the impellers at the angle rotating assembly, and repeatedly correcting through the dispensing and quality-improving module;
and taking down the impeller on the balancing machine through the four-axis mechanical arm by using the impeller with the real-time dispensing correction times larger than the set dispensing correction times, and placing the impeller at the unqualified area of the blanking machine.
Compared with the prior art, the invention has the advantages that the balance test is carried out on the impeller through the balance machine, the accurate judgment is carried out on the impeller through the set standard balance value, the unbalance position of the impeller judged to be correctable is marked according to the test result, the impeller is overturned, the correction angle of the impeller and the position relative to the dispensing and adding mass module are adjusted through the angle rotating assembly and the displacement cylinder, the accurate dispensing is carried out, meanwhile, the rapid curing treatment is carried out on the glue at the dispensing completion position through the UV curing lamp, so as to be convenient for retesting the impeller, the full-automatic correction of the impeller is realized through controlling the correction times of the impeller, the accurate detection of the balance machine and the corresponding calculation of the balance value ensure that the detection data of the impeller are accurate, and the improvement of the correction efficiency and the effect of the impeller is realized through the accurate control of the dispensing correction.
Further, through setting up vacuum adsorption location frock at rotatory slip table and fixing the impeller, can overhaul the influence of balance machine itself to the equilibrium when the impeller rotates, set up three laser sensor simultaneously and detect the three position of rotatory impeller respectively, improve the stability of the basic data that detects for the impeller swing value and the depth of parallelism that three original data that detects through three laser sensor detects can more show the true state of impeller, improve the quality effect of impeller correction with the detection mark of high accuracy.
In particular, when the parallelism calculation is performed, if the fluctuation value of the detection points at the three laser sensors, namely, the difference value between the minimum value and the maximum value in the Z-axis direction is taken, the calculated parallelism can seriously underestimate the actual parallelism, so that a plane is determined through three detection points, the included angle between the normal vector of the plane and the Z-axis is calculated, the parallelism of the impeller is calculated through the included angle, the real condition of impeller detection can be represented, the accuracy of the detection result is ensured, the quick and accurate dispensing is realized, the quality of the missing part of the impeller is increased, and therefore, the quick balance correction is realized, and the balance correction efficiency is improved.
Further, by setting a standard balance value consisting of the first balance value and the second balance value, the real balance value of the impeller is judged, the rapid classification of impeller detection is realized, meanwhile, the real balance value of the impeller is accurately calculated by setting the weight duty ratio of the impeller swing value and the weight duty ratio of the impeller parallelism, the accuracy of the impeller qualification judgment is ensured, the weight duty ratio of the impeller swing value and the weight duty ratio of the impeller parallelism are required to be set in a standardized mode according to the practical application scene of the impeller, the qualified impeller can fully meet the use working condition of the impeller, and the stable application of the qualified impeller is ensured.
Drawings
FIG. 1 is a flow chart of an impeller balance correction method based on dispensing and quality improvement according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a turnover assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of an angular rotation assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a dispensing and quality-improving module according to an embodiment of the present invention.
Description of the embodiments
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a flowchart of an impeller balance correction method based on dispensing and adding quality according to an embodiment of the present invention, the embodiment discloses an impeller balance correction method based on dispensing and adding quality, which includes,
Step S1, fixing an impeller to be detected on a balancing machine, carrying out balance test on the impeller to be detected through the balancing machine, judging whether the impeller is a qualified impeller, a modifiable impeller and a disqualified impeller according to a set standard balance value, and marking the unbalanced position of the impeller with a modifiable balance test result;
S2, turning over the marked modifiable impeller through a turning-over assembly and fixing the modifiable impeller at an angle rotating assembly, wherein the angle rotating assembly adjusts the relative position of the unbalanced position of the impeller and the dispensing and adding module according to the angle of the marked rotatable impeller at the unbalanced position of the impeller, and adjusts the distance between the impeller and the dispensing and adding module through a displacement cylinder;
Step S3, dispensing the unbalanced position of the impeller through the dispensing and quality-improving module, solidifying the glue at the position where dispensing is finished through a UV solidifying lamp, overturning the unbalanced impeller through the overturning assembly, and retesting on a balancing machine;
and S4, repeating the operation of the step S1 to retest the impeller, obtaining the retest result as the dispensing correction times of the modifiable impeller, marking the unbalanced position of the modifiable impeller with the dispensing correction times less than or equal to the set balance correction times, overturning through the overturning assembly, fixing the rotatable impeller at the angle rotating assembly, and repeatedly correcting through the dispensing and quality-improving module.
The method comprises the steps of carrying out balance test on the impeller through a balance machine, accurately judging the impeller through a set standard balance value, marking the unbalance position of the impeller judged to be correctable according to a test result, overturning the impeller, adjusting the correction angle of the impeller and the position of a dispensing and adding mass module relative to the impeller through an angle rotating assembly and a displacement cylinder, carrying out accurate dispensing, simultaneously carrying out quick curing treatment on glue at the dispensing completion position through a UV curing lamp so as to retest the impeller, controlling the correction times of the impeller, realizing full-automatic correction of the impeller, ensuring the accuracy of impeller detection data through the accurate detection of the balance machine and the corresponding calculation of the balance value, and realizing the improvement of the correction efficiency and effect of the impeller through the accurate control of dispensing correction.
Specifically, the step S1 includes,
S11, grabbing an impeller to be detected at a feeding machine through a four-axis mechanical arm, placing the impeller on a rotary sliding table of the balancing machine, and fixing the impeller to be detected through a vacuum adsorption positioning tool of the rotary sliding table;
Step S12, driving the impeller to be detected to rotate through the rotary sliding table, respectively carrying out laser ranging on the blade end faces of the rotating impeller through three groups of laser sensors arranged on one side of the rotary sliding table, recording laser ranging data corresponding to the rotation angle of the impeller and the rotation angle, and filtering detection data of gaps among the blades of the impeller in the detection data;
step S13, measuring the distance between the laser sensor and the base surface of the rotary sliding table through the laser sensor, and respectively calculating difference values of the filtered detection data under each rotation angle and the distance between the laser sensor and the base surface of the rotary sliding table to obtain the heights of the fan blades corresponding to each rotation angle as three groups of original data;
Step S14, respectively calculating offset peaks of the impeller blades in three groups of original data, respectively marking the offset peaks as W1, W2 and W3, and selecting the maximum value from the three groups of offset peaks W1, W2 and W3 as the swing value W of the impeller;
the offset peak value is the difference value between the maximum value of the fan blade height and the minimum value of the fan blade height in any group of original data;
And S15, acquiring detection data of three groups of laser sensors at the same time from three groups of original data, respectively marking the detection data as Z1, Z2 and Z3, acquiring the distance from the detection point to the axis of the fixed position of the impeller as R, and calculating the parallelism T of the impeller relative to the base surface of the rotating sliding table.
Specifically, in the step S12, three sets of laser sensors are disposed around the rotating sliding table, and distances from the three sets of laser sensors to the axis of the impeller fixing portion are equal, that is, the same laser sensor rotates by 0 °, 120 ° and 240 ° respectively with respect to the axis of the impeller fixing portion as a center.
The rotary sliding table is provided with the vacuum adsorption positioning tool for fixing the impeller, so that the influence of the balancing machine on the balance of the impeller during rotation can be overhauled, three groups of laser sensors are respectively arranged for detecting three positions of the rotating impeller, the stability of detected basic data is improved, the real state of the impeller can be represented by the swing value and the parallelism of the impeller calculated by three groups of original data detected by the three groups of laser sensors, and the quality effect of impeller correction is improved by high-precision detection marks; in this embodiment, the laser sensors are arranged by using the Kernel LK-HO50 displacement laser sensor.
Specifically, in step S15, coordinates P1 (0, R, Z1) of the three measurement points are set based on the detection data Z1, Z2, Z3 of the three laser sensors and the distance R between the detection point and the axis of the impeller fixing portion,And calculating the vector/>, between any points by the coordinates of the three points P1, P2 and P3And according to/>Determining the normal vector/>, of the plane in which the two vectors lie，/>Calculating an included angle a between the vector and the Z axis, and calculating the parallelism T of the impeller relative to the base surface of the rotary sliding table according to the included angle a and the distance R from the detection point to the axis of the fixed position of the impeller;
Wherein,
When the parallelism calculation is carried out, if the fluctuation value of the detection points at the three laser sensors, namely the difference value between the minimum value and the maximum value in the Z-axis direction is taken, the calculated parallelism can seriously underestimate the actual parallelism, so that a plane is determined through three detection points, the included angle between the normal vector of the plane and the Z-axis is calculated, the parallelism of the impeller is calculated according to the included angle, the real condition of impeller detection can be represented, the accuracy of the detection result is ensured, the quick and accurate dispensing is realized, the quality of the missing part of the impeller is increased, the quick balance correction is realized, and the balance correction efficiency is improved.
Specifically, in the step S1, a standard balance value is set, where the standard balance value includes a first balance value Y1 and a second balance value Y2, where Y1 < Y2, and a true balance value Ys of the impeller is calculated according to the balance test result swing value W and the parallelism T of the impeller, ys=w×q1+t×q2;
Judging an impeller with a real balance value Ys smaller than or equal to a first balance value Y1 as a qualified impeller, taking down the impeller on the balancing machine by the four-axis manipulator, and placing the impeller at a qualified area of the blanking machine;
judging an impeller with a real balance value Ys larger than a first balance value Y1 and smaller than or equal to a second balance value Y2 as a modifiable impeller, overturning the impeller through an overturning assembly, and fixing the impeller at an angle rotating assembly for dispensing correction;
judging an impeller with a real balance value Ys larger than a second balance value Y2 as a disqualified impeller, taking down the impeller on the balancing machine through the four-axis manipulator, and placing the impeller at a disqualified area of the blanking machine;
wherein Q1 is the weight duty ratio of the impeller swing value, and Q2 is the weight duty ratio of the impeller parallelism.
The real balance value of the impeller is judged by setting the standard balance value consisting of the first balance value and the second balance value, so that the rapid classification of impeller detection is realized, meanwhile, the accurate calculation of the real balance value of the impeller is carried out by setting the weight duty ratio of the impeller swing value and the weight duty ratio of the impeller parallelism, the accuracy of the impeller qualification judgment is ensured, the weight duty ratio of the impeller swing value and the weight duty ratio of the impeller parallelism are required to be set in a standardized way according to the practical application scene of the impeller, the qualified impeller can fully meet the working condition of the impeller, and the stable application of the qualified impeller is ensured.
Specifically, in the step S1, the balancing machine includes a placement platform, a rotating sliding table, and three groups of laser sensors, where the rotating sliding table and the three groups of laser sensors are all disposed on the placement platform; the rotary sliding table is internally provided with a vacuum adsorption positioning tool which is used for fixing the impeller to be detected and driving the impeller to be detected to rotate; and a fine-tuning micrometer group is arranged in the laser sensor and is used for adjusting the detection position of the laser sensor.
Referring to fig. 2, a schematic structural diagram of a turnover assembly according to an embodiment of the present invention includes an upgrade cylinder 101, a rotary cylinder 102, a grabbing cylinder 103, and a clamping jaw 104;
Specifically, in step S2, the upset subassembly includes, upgrades cylinder, revolving cylinder, snatchs cylinder and clamping jaw, the clamping jaw with snatch the cylinder and link to each other, snatch the cylinder and carry out centre gripping impeller through the drive clamping jaw, snatch the cylinder setting and be in on the revolving cylinder, revolving cylinder is used for driving the impeller upset through rotatory snatch the cylinder, revolving cylinder sets up one side of upgrading cylinder, upgrading cylinder is used for controlling revolving cylinder and snatch the cylinder and goes up and down, drives the impeller that is held and goes up and down to dodge.
Referring to fig. 3, a schematic structural diagram of an angle rotating assembly according to an embodiment of the invention includes a vacuum fixture 201, a detection electric eye 202, a rotating mechanism 203, a servo motor 204, and a displacement cylinder 205;
Specifically, in the step S2, the angle rotating assembly includes a vacuum jig for fixing the impeller, a rotating mechanism for driving the vacuum jig and the impeller to rotate, a servo motor for driving the rotating mechanism, and a displacement cylinder disposed at the bottom of the servo motor; one side of the rotating mechanism is also provided with a detection electric eye for identifying the unbalanced position of the impeller, and the displacement cylinder is used for driving the rotating mechanism and the impeller fixed by the vacuum jig to move to the dispensing and quality-improving module.
Referring to fig. 4, a schematic structural diagram of a dispensing and adding module according to an embodiment of the present invention includes a moving mechanism 301, a CCD mechanism 302, a dispensing mechanism 303, a UV glue curing lamp 304, a curing detecting mechanism 305, and a glue wiping mechanism 306,
The moving mechanism comprises a lifting cylinder, an X-axis module and is used for driving the dispensing mechanism to move in three-dimensional space;
A dispensing valve and a liquid level sensor are arranged in the dispensing mechanism, the dispensing amount used for controlling dispensing is controlled, and the liquid level sensor is used for detecting the real-time amount of the dispensing mechanism;
The CCD mechanism is used for identifying the positions of the reinforcing ribs and the dispensed positions in the glue storage groove of the impeller so as to control the glue dispensing mechanism to avoid the positions of the reinforcing ribs and the dispensed positions during glue dispensing;
The UV glue curing lamp is used for irradiating the glue dispensing position of the impeller to cure the glue at the glue dispensing position of the impeller;
The curing detection mechanism is arranged at the lower part of the UV glue curing lamp and used for detecting energy attenuation of the UV glue curing lamp in real time so as to feed back and adjust the curing time of the UV glue curing lamp; and the glue wiping mechanism is arranged on one side of the moving mechanism and is used for cleaning the dispensing valve for dispensing.
Specifically, in the step S4, retesting is performed on the impeller subjected to the dispensing correction, the impeller is judged to be a qualified impeller, a modifiable impeller or a disqualified impeller according to the operation of the step S1,
Taking down the qualified impeller on the balancing machine through the four-axis mechanical arm and placing the impeller at a qualified area of the blanking machine;
The unqualified impeller is taken down by the four-axis manipulator from the impeller on the balancing machine and is placed in an unqualified area of the blanking machine;
The set point glue correction times, for the impeller with the modifiable retest result, the real-time glue-dispensing correction times of the impeller are obtained,
Marking unbalanced positions of impellers with real-time dispensing correction times smaller than or equal to the set dispensing correction times, overturning through an overturning assembly, fixing the impellers at the angle rotating assembly, and repeatedly correcting through the dispensing and quality-improving module;
and taking down the impeller on the balancing machine through the four-axis mechanical arm by using the impeller with the real-time dispensing correction times larger than the set dispensing correction times, and placing the impeller at the unqualified area of the blanking machine.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for correcting impeller balance based on dispensing and quality improvement is characterized by comprising the following steps,
Step S1, fixing an impeller to be detected on a balancing machine, carrying out balance test on the impeller to be detected through the balancing machine, judging whether the impeller is a qualified impeller, a modifiable impeller and a disqualified impeller according to a set standard balance value, and marking the unbalanced position of the impeller with a modifiable balance test result;
S2, turning over the marked modifiable impeller through a turning-over assembly and fixing the modifiable impeller at an angle rotating assembly, wherein the angle rotating assembly adjusts the relative position of the unbalanced position of the impeller and the dispensing and adding module according to the angle of the marked rotatable impeller at the unbalanced position of the impeller, and adjusts the distance between the impeller and the dispensing and adding module through a displacement cylinder;
Step S3, dispensing the unbalanced position of the impeller through the dispensing and quality-improving module, solidifying the glue at the dispensing position through a UV solidifying lamp, and overturning the unbalanced impeller to a balancing machine through the overturning assembly for retesting;
step S4, repeating the operation of the step S1 to retest the impeller, obtaining the retest result as the dispensing correction times of the modifiable impeller, marking the unbalanced position of the modifiable impeller with the dispensing correction times less than or equal to the set balance correction times, overturning through an overturning assembly, fixing the rotatable impeller at the angle rotating assembly, and repeatedly correcting through the dispensing and quality-improving module;
The step S1 of the above-mentioned process includes,
S11, grabbing an impeller to be detected at a feeding machine through a four-axis mechanical arm, placing the impeller to be detected on a rotary sliding table of the balancing machine, and fixing the impeller to be detected through a vacuum adsorption positioning tool of the rotary sliding table;
Step S12, driving the impeller to be detected to rotate through the rotary sliding table, respectively carrying out laser ranging on the blade end faces of the rotating impeller through three groups of laser sensors arranged on one side of the rotary sliding table, recording laser ranging data corresponding to the rotation angle of the impeller and the rotation angle, and filtering detection data of gaps among the blades of the impeller in the detection data;
step S13, measuring the distance between the laser sensor and the base surface of the rotary sliding table through the laser sensor, and respectively calculating difference values of the filtered detection data under each rotation angle and the distance between the laser sensor and the base surface of the rotary sliding table to obtain the heights of the fan blades corresponding to each rotation angle as three groups of original data;
Step S14, respectively calculating offset peaks of the impeller blades in three groups of original data, respectively marking the offset peaks as W1, W2 and W3, and selecting the maximum value from the three groups of offset peaks W1, W2 and W3 as the swing value W of the impeller;
the offset peak value is the difference value between the maximum value of the fan blade height and the minimum value of the fan blade height in any group of original data;
Step S15, acquiring detection data of three groups of laser sensors at the same time from three groups of original data, respectively marking the detection data as Z1, Z2 and Z3, acquiring distances from the detection point to the axis of the fixed position of the impeller as R, and calculating the parallelism T of the impeller relative to the base surface of the rotary sliding table;
In the step S12, three groups of laser sensors are arranged around the rotating sliding table, and the distances from the three groups of laser sensors to the axis of the fixed position of the impeller are equal, that is, the same laser sensor rotates by 0 °, 120 ° and 240 ° respectively with the axis of the fixed position of the impeller as the center of a circle;
In the step S15, coordinates P1 (0, R, Z1) of three measurement points are set based on the detection data Z1, Z2, Z3 of the three laser sensors and the distance R from the detection point to the axis of the impeller fixing part, And calculates the vector/>, between any points by the coordinates of the three points P1, P2 and P3And according to/>Determining the normal vector/>, of the plane in which the two vectors lieCalculate vector/>Calculating the parallelism T of the impeller relative to the base surface of the rotary sliding table according to the included angle a between the Z axis and the distance R from the included angle a to the axis of the fixed position of the impeller;
Wherein,
T＝2Rtana；
In the step S1, a standard balance value is set, wherein the standard balance value comprises a first balance value Y1 and a second balance value Y2, Y1 is less than Y2, and a real balance value Ys of the impeller is calculated according to a balance test result swing value W and a parallelism T of the impeller, ys=wxq1+t×q2;
Judging an impeller with a real balance value Ys smaller than or equal to a first balance value Y1 as a qualified impeller, taking down the impeller on the balancing machine by the four-axis manipulator, and placing the impeller at a qualified area of the blanking machine;
judging an impeller with a real balance value Ys larger than a first balance value Y1 and smaller than or equal to a second balance value Y2 as a modifiable impeller, overturning the impeller through an overturning assembly, and fixing the impeller at an angle rotating assembly for dispensing correction;
judging an impeller with a real balance value Ys larger than a second balance value Y2 as a disqualified impeller, taking down the impeller on the balancing machine through the four-axis manipulator, and placing the impeller at a disqualified area of the blanking machine;
wherein Q1 is the weight duty ratio of the impeller swing value, and Q2 is the weight duty ratio of the impeller parallelism.
2. The method for correcting balance of an impeller based on dispensing and quality according to claim 1, wherein in the step S1, the balancing machine comprises a placement platform, a rotary sliding table and three groups of laser sensors, wherein the rotary sliding table and the three groups of laser sensors are all arranged on the placement platform; the rotary sliding table is internally provided with a vacuum adsorption positioning tool which is used for fixing the impeller to be detected and driving the impeller to be detected to rotate; and a fine-tuning micrometer group is arranged in the laser sensor and is used for adjusting the detection position of the laser sensor.
3. The method for balancing and correcting the impeller based on the dispensing and the quality improvement according to claim 1, wherein in the step S2, the overturning assembly comprises an upgrading cylinder, a rotating cylinder, a grabbing cylinder and a clamping jaw, the clamping jaw is connected with the grabbing cylinder, the grabbing cylinder clamps the impeller by driving the clamping jaw, the grabbing cylinder is arranged on the rotating cylinder, the rotating cylinder is used for driving the impeller to overturn through the rotating grabbing cylinder, the rotating cylinder is arranged on one side of the upgrading cylinder, and the upgrading cylinder is used for controlling the lifting of the rotating cylinder and the grabbing cylinder to drive the clamped impeller to lift and avoid.
4. The method according to claim 1, wherein in the step S2, the angular rotation assembly includes a vacuum jig for fixing the impeller, a rotation mechanism for driving the vacuum jig and the impeller to rotate, a servo motor for driving the rotation mechanism, and a displacement cylinder disposed at the bottom of the servo motor; one side of the rotating mechanism is also provided with a detection electric eye for identifying the unbalanced position of the impeller, and the displacement cylinder is used for driving the rotating mechanism and the impeller fixed by the vacuum jig to move to the dispensing and quality-improving module.
5. The method for correcting balance of an impeller according to claim 1, wherein in the step S2, the dispensing and adding module comprises a moving mechanism, a CCD mechanism, a dispensing mechanism, a UV glue curing lamp, a curing detecting mechanism, and a glue wiper mechanism,
The moving mechanism comprises a lifting cylinder, an X-axis module and a Y-axis module and is used for driving the dispensing mechanism to move in three-dimensional space;
A dispensing valve and a liquid level sensor are arranged in the dispensing mechanism, the dispensing valve is used for controlling the dispensing quantity of dispensing, and the liquid level sensor is used for detecting the real-time quantity of the dispensing mechanism;
The CCD mechanism is used for identifying the positions of the reinforcing ribs and the dispensed positions in the glue storage groove of the impeller so as to control the glue dispensing mechanism to avoid the positions of the reinforcing ribs and the dispensed positions during glue dispensing;
The UV glue curing lamp is used for irradiating the glue dispensing position of the impeller to cure the glue at the glue dispensing position of the impeller;
The curing detection mechanism is arranged at the lower part of the UV glue curing lamp and used for detecting energy attenuation of the UV glue curing lamp in real time so as to feed back and adjust the curing time of the UV glue curing lamp;
and the glue wiping mechanism is arranged on one side of the moving mechanism and is used for cleaning the dispensing valve for dispensing.
6. The method for correcting balance of an impeller based on dispensing and quality according to claim 1, wherein in the step S4, retesting is performed on the impeller subjected to dispensing correction, and the impeller is judged to be a qualified impeller, a modifiable impeller or a disqualified impeller according to the operation of the step S1,
Taking down the qualified impeller on the balancing machine through a four-axis mechanical arm, and placing the impeller at a qualified area of the blanking machine;
The unqualified impeller is taken down by the four-axis manipulator from the impeller on the balancing machine and is placed in an unqualified area of the blanking machine;
The set point glue correction times, for the impeller with the modifiable retest result, the real-time glue-dispensing correction times of the impeller are obtained,
Marking unbalanced positions of impellers with real-time dispensing correction times smaller than or equal to the set dispensing correction times, overturning through an overturning assembly, fixing the impellers at the angle rotating assembly, and repeatedly correcting through the dispensing and quality-improving module;
and taking down the impeller on the balancing machine through the four-axis mechanical arm by using the impeller with the real-time dispensing correction times larger than the set dispensing correction times, and placing the impeller at the unqualified area of the blanking machine.
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