CN115901089A - Dynamic balance detection and correction method and system for cross-flow fan blade - Google Patents
Dynamic balance detection and correction method and system for cross-flow fan blade Download PDFInfo
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- CN115901089A CN115901089A CN202211285343.8A CN202211285343A CN115901089A CN 115901089 A CN115901089 A CN 115901089A CN 202211285343 A CN202211285343 A CN 202211285343A CN 115901089 A CN115901089 A CN 115901089A
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Abstract
The invention discloses a dynamic balance detection and correction method and a dynamic balance detection and correction system for a cross-flow fan blade, wherein the detection and correction method comprises the following steps: the control host controls the industrial robot to carry the workpiece from the workpiece feeder to the dynamic balance detection correcting machine; the dynamic balance detection and correction machine performs dynamic balance detection and correction on the workpiece under the control coordination of the control host; after the workpiece completes dynamic balance detection and correction, the control host generates a dispensing control instruction; the industrial robot carries the workpiece which is subjected to dynamic balance detection and correction to a fastening machine based on a dispensing control instruction; and the fastening machine is used for carrying out bolt connection fixing and dispensing treatment on the workpiece subjected to dynamic balance detection and correction. The method has the advantages that the control host is matched with the industrial robot to carry out integrated control on all the procedures, the automation degree is high, the production efficiency is effectively improved, the human errors of the dynamic balance detection and correction are reduced, and the qualification rate of the dynamic balance detection and correction of the workpiece is improved.
Description
Technical Field
The invention mainly relates to the technical field of through-flow fan blade production, in particular to a dynamic balance detection and correction method and system for a through-flow fan blade.
Background
The cross-flow fan blade is an important core of an air supply system of the household appliance, dynamic balance detection is required in the processing and production process, and the problem that vibration and noise are generated due to unbalance of the cross-flow fan blade when the cross-flow fan blade works, so that the service life of the household appliance is influenced is avoided.
At present, the dynamic balance detection and correction of the through-flow fan blade mainly depends on manual work of a worker to place a workpiece on a dynamic balance detection device for dynamic balance detection, after detection is finished, the operator determines an unbalanced position according to detection data, manually clamps a balancing piece for dynamic balance compensation, and then performs screwing fixation and dispensing treatment on qualified products.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a dynamic balance detection and correction method and a dynamic balance detection and correction system for a through-flow fan blade.
The invention provides a dynamic balance detection and correction method for a cross-flow fan blade, which comprises the following steps:
the control host controls the industrial robot to carry the workpiece from the workpiece feeding machine to the dynamic balance detection correcting machine; the dynamic balance detection and correction machine performs dynamic balance detection and correction on the workpiece under the control coordination of the control host;
after the workpiece completes dynamic balance detection and correction, the control host generates a dispensing control instruction;
the industrial robot carries the workpiece which is subjected to dynamic balance detection and correction to a fastening machine based on the dispensing control instruction;
and the fastening machine is used for carrying out bolt connection fixing and dispensing treatment on the workpiece subjected to dynamic balance detection and correction.
Further, the dynamic balance detection and correction machine performs dynamic balance detection and correction on the workpiece under the control coordination of the control host machine, and includes:
after the dynamic balance detection and correction machine identifies the workpiece, clamping the workpiece through a first automatic clamping mechanism;
after the workpiece is clamped, the dynamic balance detection correcting machine drives the workpiece to rotate at a first rotating speed to determine a dynamic balance detection origin of the workpiece;
after the dynamic balance detection origin is determined, the dynamic balance detection correcting machine drives the workpiece to rotate at a second rotating speed to perform dynamic balance detection, and dynamic balance detection data are obtained;
the dynamic balance detection and correction machine sends the dynamic balance detection data to the control host;
the control host generates a control instruction according to the dynamic balance detection data, and controls the industrial robot to grab the balance sheet from the balance sheet feeding machine based on the control instruction;
the industrial robot conveys the grabbed balance sheet to the dynamic balance detection and correction machine based on the control instruction;
and the dynamic balance detection and correction machine inserts the balance sheet on the workpiece according to the dynamic balance detection data to finish dynamic balance correction.
Further, after determining the origin of the dynamic balance test, the dynamic balance test corrector driving the workpiece to rotate at a second rotation speed to perform dynamic balance test, and obtaining dynamic balance test data includes:
the dynamic balance detection and correction machine acquires the vibration amplitude of the workpiece during rotation;
calculating the unbalance amount, the unbalance position and the unbalance angle of the workpiece according to the vibration amplitude;
and integrating the unbalance amount, the unbalance position and the unbalance angle to obtain the dynamic balance detection data.
Further, the control host generates a control command according to the dynamic balance detection data, and controls the industrial robot to grab the balance sheet from the balance sheet feeding machine based on the control command includes:
the control host machine extracts the unbalance amount of the dynamic balance detection data and matches balance pieces with corresponding specifications according to the unbalance amount;
the control host generates a control instruction according to the balance sheet with the corresponding specification;
the industrial robot selects a required balance sheet from a corresponding position on the balance sheet feeding machine based on the control instruction;
and the industrial robot grabs the required balance sheet based on the control instruction.
Further, the step of inserting the balance sheet on the workpiece by the dynamic balance detection corrector according to the dynamic balance detection data to complete dynamic balance correction comprises:
the dynamic balance detection and correction machine drives the workpiece to rotate by a corresponding angle from a dynamic balance detection origin according to an unbalanced angle in the dynamic balance detection data;
after the workpiece rotates by a corresponding angle, the dynamic balance detection and correction machine confirms the position of the insert sheet through the insert sheet sensor according to the unbalanced position in the dynamic balance detection data;
and the dynamic balance detection and correction machine inserts the balance sheet on the workpiece according to the position of the insert sheet to finish dynamic balance correction.
Further, after the workpiece completes the dynamic balance detection and correction, the generating of the dispensing control command by the control host includes:
after the workpiece completes the dynamic balance detection and correction, the dynamic balance detection and correction machine sends a data signal for completing the detection and correction to the control host;
the fastening machine feeds back self equipment state information to the control host;
and the control host generates a dispensing control instruction according to the data signal for completing detection and correction and the equipment state information.
Further, the fastening machine carries out spiro union fixed and point to the work piece that accomplishes dynamic balance detection and correction and handles including:
the fastening machine identifies a workpiece and then clamps the workpiece through a second automatic clamping mechanism;
after clamping the workpiece, the fastening machine drives the workpiece to rotate at a first rotating speed to determine the position of a nut screw hole of the workpiece;
after confirming the position of the cloth screw hole, stopping the rotation of the workpiece by the fastening machine and screwing a fastening screw in the cloth screw hole by a screw machine to finish the screw connection and fixation;
after the screwing and fixing are completed, the fastening machine drives the workpiece to rotate at a first rotating speed and determines the position of a balance sheet on the workpiece through a dispensing sensor;
and after the position of the balance sheet on the workpiece is determined, the fastening machine stops the rotation of the workpiece and carries out dispensing fixation on the balance sheet through a dispensing machine to finish dispensing treatment.
The invention also provides a dynamic balance detection and correction system for the cross-flow fan blade, wherein the detection system comprises an industrial robot, a control host machine for regulating and controlling the motion of the industrial robot, a workpiece feeding machine, a dynamic balance detection and correction machine and a fastening machine;
the control host is used for controlling the industrial robot to carry the workpiece from the workpiece feeding machine to the dynamic balance detection correcting machine;
the dynamic balance detection and correction machine is used for performing dynamic balance detection and correction on the workpiece under the control coordination of the control host;
the control host is also used for generating a dispensing control instruction after the workpiece completes dynamic balance detection and correction;
the industrial robot is used for carrying the workpiece which is subjected to dynamic balance detection and correction to the fastening machine according to the dispensing control instruction;
and the fastening machine is used for performing bolt connection fixing and dispensing treatment on the workpiece which is subjected to dynamic balance detection and correction.
Further, the dynamic balance detection and correction machine is provided with a display screen, and the display screen is used for displaying dynamic balance detection data of the workpiece.
Further, the dynamic balance detection and correction system also comprises a material receiving machine, wherein the material receiving machine comprises a qualified product storage area and an unqualified product storage area;
the qualified product storage area is used for storing products qualified in dynamic balance detection and correction;
and the unqualified product storage area is used for storing the dynamic balance detection and correction unqualified products.
The invention provides a dynamic balance detection and correction method and a dynamic balance detection and correction system for a through-flow fan blade.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a dynamic balance detection system for a cross-flow fan blade according to an embodiment of the present invention;
fig. 2 is a plan view of a structure of a balance sheet feeder according to an embodiment of the present invention;
FIG. 3 is a top view of the dynamic balance testing and calibrating machine according to the embodiment of the present invention;
FIG. 4 is a top view of a fastener machine according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a dynamic balance detection system in an embodiment of the present invention;
FIG. 6 is a flow chart of a dynamic balance detection and correction method according to an embodiment of the present invention;
FIG. 7 is a schematic flow chart of the dynamic balance detection and correction machine according to the embodiment of the present invention;
fig. 8 is a schematic view of the operation of the fastening machine in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a schematic diagram of a cross-flow fan blade dynamic balance detection system in an embodiment of the invention, the detection system includes a control host 1, an industrial robot 7, a first dynamic balance detection and correction machine 4, a first fastening machine 5, a balance sheet feeding machine 2, a workpiece feeding machine 3, a first material receiving machine 6, a second dynamic balance detection and correction machine 8, a second fastening machine 9 and a second material receiving machine 10, and the control host 1 is connected with the industrial robot 7 and is used for controlling the industrial robot 7 to work. The control host machine 1 is in communication connection with the first dynamic balance detection and correction machine 4 and the first fastening machine 5, and the control host machine 1 can receive information feedback of the first dynamic balance detection and correction machine 4 and the first fastening machine 5 and control the work of the industrial robot 7 according to the information feedback of the first dynamic balance detection and correction machine 4 and the first fastening machine 5.
Specifically, the first material receiving machine 6 comprises a qualified product storage area and an unqualified product storage area, the industrial robot 7 conveys qualified products to the qualified product storage area for storage, and conveys unqualified products to the unqualified product storage area for storage.
Further, the first material receiving machine 6 is connected and communicated with the control host 1, when the storage capacity of the first material receiving machine 6 reaches a preset value, the first material receiving machine 6 feeds back storage condition information to the control host 1, and the control host 1 informs relevant staff of processing according to the storage information.
Further, the second material receiving machine 10 has the same structural features and functional functions as the first material receiving machine 6, and the detailed description is omitted here.
Specifically, fig. 2 shows a structural plan view of a balance sheet feeder according to an embodiment of the present invention, where the balance sheet feeder 2 includes a torsion sheet mechanism 23, a placing table 21, a balance sheet groove 22, and a sheet suction mechanism 24, an operator clamps a balance connecting sheet in the balance sheet groove 22, one end of the balance connecting sheet extends out of one end of the balance sheet groove 22, the torsion sheet mechanism 23 clamps and twists off the end of the balance connecting sheet extending out to form a single balance sheet, and the sheet suction mechanism 24 sucks and places the balance sheet on the placing table 21.
Further, a plurality of balancing piece grooves 22 are formed in the first dynamic balance detection and correction machine 4, and the balancing piece grooves 22 are used for installing balancing connecting pieces of different specifications.
Furthermore, the torsion piece mechanism 23 arranges a plurality of balance pieces on the placing table 21 according to the specification sequence, so that the industrial robot 7 can conveniently perform balance piece taking operation.
Specifically, the balance sheet feeder 2 further comprises a support slide rail assembly, the sheet suction mechanism 24 is arranged on the support slide rail assembly, and the sheet suction mechanism 24 can move along the support slide rail assembly in the three directions of the X axis, the Y axis and the Z axis, so that the carrying operation of the balance sheet is facilitated.
Specifically, the balance sheet feeder 2 is connected to the control host 1, the control host 1 can regulate and control the work of the balance sheet feeder 2, the balance sheet feeder 2 is provided with a visual sensor, the visual sensor is used for monitoring the condition of the balance sheets on the placing table 21 and sending image information of the balance sheets on the placing table 21 to the control host 1, and the control host 1 can regulate and control the sheet suction mechanism 24 to suck the balance sheets for supplement according to the quantity condition of the balance sheets on the placing table 21, so as to ensure that the balance sheets of various specifications are stored on the placing table 21.
Further, the vision sensor may be a monocular camera, and the balance sheet mechanism on the placing table 21 may be conveniently obtained by the monocular camera.
Specifically, fig. 3 shows a top view of the structure of the dynamic balance detecting and correcting machine in the embodiment of the present invention, the first dynamic balance detecting and correcting machine 4 includes a first work table 41, a first automatic clamping mechanism 45 disposed on the first work table 41, a first correcting insert table 42, and a second correcting insert table 43, the first automatic clamping mechanism 45 includes a first clamping portion 451, a second clamping portion 452, a first support frame 453, and a second support frame 454, and the first support frame 453 and the second support frame 454 may have an arc-shaped groove structure or a V-shaped groove structure, so that the workpiece can be automatically centered on the first support frame 453 and the second support frame 454 to maintain a horizontal state.
Specifically, a guide rail is arranged on the first workbench 41, the first clamping portion 451 and the second clamping portion 452 are slidably connected to the first workbench 41, a centering shaft is arranged on the second clamping portion 452, the centering shaft is connected with one end of a workpiece and used for centering and positioning the workpiece, a rotating mechanism is arranged on the first clamping portion 451, and a rotating shaft of the rotating mechanism is connected with the other end of the workpiece and used for driving the workpiece to rotate.
Further, the rotating shaft and the centering shaft are coaxially arranged and located at the same horizontal height.
Further, the first correction insert table 42 is used for the dynamic balance correction of the left side surface of the workpiece, and the second correction insert table 43 is used for the dynamic balance correction of the right side surface of the workpiece.
Specifically, the work flow of the first dynamic balance detection and correction machine 4 is as follows: a workpiece is placed on the first supporting frame 453 and the second supporting frame 454, the first clamping portion 451 and the second clamping portion 452 move towards the direction of the workpiece, the rotating shaft is connected with one end of the workpiece, the centering shaft is connected with the other end of the workpiece, the first clamping portion 451 and the second clamping portion 452 complete clamping of the workpiece, the first clamping portion 451 and the second clamping portion 452 can lift the workpiece by a preset distance when clamping the workpiece, and the first supporting frame 453 and the second supporting frame 454 are prevented from influencing the rotation of the workpiece.
Further, the rotating mechanism of the first clamping portion 451 rotates the workpiece, and after the dynamic balance measurement is completed, the first correction blade table 42 and the second correction blade table 43 insert a balance blade into the workpiece based on the result of the dynamic balance detection to perform the dynamic balance compensation correction.
Further, after the dynamic balance compensation correction is completed, dynamic balance retesting is needed to be carried out on the workpiece, the workpiece qualified in retesting is subjected to the next processing operation, and the workpiece unqualified in retesting is continuously subjected to the dynamic balance compensation correction or is conveyed to an unqualified product storage area.
Further, the second dynamic balance detection and correction machine 8 has the same structural features and functional functions as the first dynamic balance detection and correction machine 4, and is not described in detail here.
Specifically, fig. 4 shows a top view of a fastening machine structure in an embodiment of the present invention, the first fastening machine 5 includes a second work table 51 and a second automatic clamping mechanism 52, the second work table 51 and the second automatic clamping mechanism 52 have the same structural features and functional functions as the first work table 41 and the first automatic clamping mechanism 45, and specifically refer to the structural content of the first dynamic balance detection correcting machine 4, the first fastening machine 5 further includes a dispenser 54 and a screw connector 53, the screw connector 53 is disposed on one side of the second work table 51, the second automatic clamping mechanism 52 is provided with a laser sensor, the position of a spreader screw hole on a workpiece is determined by the laser sensor, and the screw connector 53 screws a fastening screw into the spreader screw hole.
Further, a dispensing sensor is arranged on the dispensing machine 54, the dispensing sensor is a laser sensor, the laser sensor scans a workpiece to determine the position of the balance sheet on the workpiece, the dispensing machine 54 performs dispensing treatment according to the position of the balance sheet on the workpiece, and injects glue onto the balance sheet, so that the condition that the balance sheet falls off during high-speed rotation of the workpiece is avoided.
Further, the second fastening machine 9 has the same structural features and functional functions as the first fastening machine 5, and will not be described in detail herein.
Furthermore, the number of the dynamic balance detection and correction machines and the number of the fastening machines can be adjusted according to actual requirements, namely, a plurality of dynamic balance detection and correction machines and fastening machines can be arranged in the system, dynamic balance detection and correction of a plurality of workpieces are carried out simultaneously, and working efficiency is improved.
Furthermore, the dynamic balance detection and correction system can be further provided with a radial shaft runout measuring machine, the radial shaft runout measuring process of the workpiece is integrated into the dynamic balance detection and correction system, and the integration degree of the dynamic balance detection and correction system is further improved.
Specifically, the dynamic balance detection and correction system is provided with the first dynamic balance detection and correction machine 4, the second dynamic balance detection and correction machine 8, the first fastening machine 5 and the second fastening machine 9, and the industrial robot 7 is coordinated with the control host 1, so that the working transportation and coordination requirements of the plurality of dynamic balance detection and correction machines and the plurality of fastening machines are met, the system can simultaneously carry out dynamic balance detection and correction on a plurality of workpieces, can also simultaneously carry out dynamic balance detection and correction on workpieces with different specifications, and effectively improves the working efficiency.
Specifically, fig. 5 shows a schematic working flow chart of a dynamic balance detection and correction system in an embodiment of the present invention, and fig. 6 shows a flow chart of a dynamic balance detection and correction method in an embodiment of the present invention, where the dynamic balance detection and correction method includes:
s11: the control host controls the industrial robot to carry the workpiece from the workpiece feeding machine to the dynamic balance detection correcting machine.
Specifically, after a system is started, the control host regulates and controls the industrial robot to carry out feeding operation, the workpiece robot clamps a workpiece on the workpiece feeding machine and conveys the workpiece to the dynamic balance detection and correction machine, and the dynamic balance detection and correction machine carries out dynamic balance detection and correction on the workpiece.
Further, the workpiece feeding machine is in communication with the control host, when the stock of the workpiece to be detected in the workpiece feeding machine is insufficient, the workpiece feeding machine feeds back the stock information of the workpiece to be detected to the control host, and the control host informs related staff of supplementing the workpiece to be detected to the workpiece feeding machine according to the stock information.
S12: the dynamic balance detection and correction machine performs dynamic balance detection and correction on the workpiece under the control coordination of the control host.
Specifically, fig. 7 shows a schematic diagram of a work flow of the dynamic balance detection and correction machine in the embodiment of the present invention, where the flow of the dynamic balance detection and correction machine for detecting and correcting the dynamic balance of the workpiece includes:
s121: and after the dynamic balance detection and correction machine identifies the workpiece, clamping the workpiece through an automatic clamping mechanism.
Specifically, after the industrial robot carries the workpiece to the dynamic balance detection and correction machine, the dynamic balance detection and correction machine recognizes the workpiece, and then clamps the workpiece through the first clamping part and the second clamping part of the first automatic clamping mechanism.
S122: after clamping the workpiece, the dynamic balance detection correcting machine drives the workpiece to rotate at a first rotating speed to determine a dynamic balance detection origin of the workpiece.
Specifically, after the work piece is held, the dynamic balance detection and correction machine drives the work piece to rotate at a first rotating speed through the rotating mechanism of the first clamping part, detects the nut screw hole on the work piece through the first laser sensor on the dynamic balance detection and correction machine, stops rotating after detecting the nut screw hole, sets the current state of the work piece as the dynamic balance detection original point of the work piece, and is convenient for performing dynamic balance detection.
Further, the first laser sensor is fixed on the first clamping part, the detection position of the first laser sensor is arranged at a position perpendicular to the first workbench on the surface of the workpiece, and when the fact that the bus screw hole rotates to the position is detected, the dynamic balance detection and correction machine stops the rotation of the workpiece.
Furthermore, the dynamic balance detection origin of the workpiece is limited by the position of the nut screw hole on the workpiece, so that the dynamic balance detection and correction of the workpiece are facilitated, and the position of the unbalance is determined.
After the dynamic balance detection origin is determined, the dynamic balance detection corrector drives the workpiece to rotate at a second rotating speed to perform dynamic balance detection, and dynamic balance detection data are obtained.
Specifically, after the dynamic balance detection origin of the workpiece is determined, the dynamic balance detection corrector drives the workpiece to rotate at a second rotating speed, the vibration amplitude of the workpiece is recorded during the rotation of the workpiece, the unbalance amount, the unbalance position and the unbalance angle of the workpiece are calculated according to the vibration amplitude, and the unbalance amount, the unbalance position and the unbalance angle are integrated to obtain dynamic balance detection data.
Furthermore, the second rotating speed is far greater than the first rotating speed, that is, the workpiece is subjected to determination of a dynamic balance detection origin under low-speed rotation, and is subjected to dynamic balance detection under high-speed rotation.
Specifically, the dynamic balance detection and correction machine is further provided with a display screen, the dynamic balance detection and correction machine drives the workpiece to rotate, the vibration amplitude of the workpiece during rotation is detected, the dynamic balance detection data of the workpiece are analyzed and calculated according to the vibration amplitude, the dynamic balance detection data are displayed on the display screen, and therefore the dynamic balance detection and correction condition of the workpiece can be observed by a worker conveniently.
Furthermore, the display screen displays end face images of two ends of the workpiece, the unbalanced position of the workpiece is marked in the end face images, and the dynamic balance compensation amount and the dynamic balance compensation angle are displayed below the corresponding end face images.
S124: and the dynamic balance detection and correction machine sends the dynamic balance detection data to the control host.
S125: and the control host generates a control instruction according to the dynamic balance detection data, and controls the industrial robot to grab the balance sheet from the balance sheet feeding machine based on the control instruction.
Specifically, the control host extracts the unbalance amount in the dynamic balance detection data, selects a dynamic balance sheet of a corresponding specification according to the unbalance amount, plans a behavior path of the industrial robot by combining the position of the industrial robot, the position of the dynamic balance detection and correction machine and the position of the dynamic balance sheet, and generates a control instruction.
Specifically, the industrial robot selects a required balance sheet from a corresponding position on the balance sheet supply machine based on the control instruction and grasps the required balance sheet based on the control instruction.
S126: and the industrial robot carries the grabbed balance sheet to the dynamic balance detection correcting machine based on the control instruction.
Specifically, the industrial robot carries the grasped balance sheet to a first correction sheet inserting machine and a second correction sheet inserting machine of the dynamic balance detection correcting machine based on the control instruction, the first correction sheet inserting machine is used for the dynamic balance compensation operation of one end of the workpiece, and the second correction sheet inserting machine is used for the dynamic balance compensation operation of the other end of the workpiece.
Furthermore, the dynamic balance detection data comprises dynamic balance detection data of two ends of the workpiece, and the industrial robot needs to execute the balance sheet transportation of the second correction sheet inserting machine after finishing the balance sheet grabbing and transportation of the first correction sheet inserting machine. The industrial robot needs to clamp the balance sheet on the first correction inserting sheet table, and then clamp the balance sheet on the second correction inserting sheet table, so that the risk of clamping errors is reduced, and the clamping efficiency of the balance sheet is improved.
Further, the balance sheet of the different specifications of a plurality of is placed to balance sheet feed machine, works as industrial robot gets the piece during operation, balance sheet feed chance stops turn round piece work to avoid appearing interfering the condition, reduce industrial robot with the risk of balance sheet feed machine damage.
S127: and the dynamic balance detection and correction machine inserts the balance sheet on the workpiece according to the dynamic balance detection data to finish dynamic balance correction.
Specifically, the dynamic balance detection and correction machine drives the workpiece to rotate by a corresponding angle from a dynamic balance detection original point according to an unbalanced angle in the dynamic balance detection data, after the workpiece rotates by the corresponding angle, the dynamic balance detection and correction machine confirms the position of the insert sheet through the insert sheet sensor according to an unbalanced position in the dynamic balance detection data, and the dynamic balance detection and correction machine inserts the balance sheet on the workpiece according to the position of the insert sheet to finish dynamic balance correction.
Furthermore, the insert sheet sensor can be an infrared sensor, the infrared sensor identifies the outer contour data of the unbalanced position, whether the unbalanced position is a notch on the surface of the workpiece is judged according to the outer contour data, and if yes, the notch is set as the insert sheet position; if not, selecting the notch closest to the unbalanced position as the position of the insert.
Furthermore, after the first inserting sheet correcting machine finishes the inserting sheet correcting work, the second inserting sheet correcting machine carries out the inserting sheet correcting work, the specific work flow is the same as that of the first inserting sheet correcting machine, and the description is omitted here.
Specifically, after the compensation and correction of the dynamic balance of the workpiece are completed, the workpiece needs to be retested in a dynamic balance manner, the dynamic balance detection and correction machine analyzes the retested result of the workpiece, that is, the unbalance amount after the retested of the workpiece is compared with a set standard value, if the unbalance amount is smaller than or equal to the set standard value, the dynamic balance detection and correction machine feeds back qualified information of the dynamic balance detection and correction to the control host, the control host can regulate and control the industrial robot to transport the qualified workpiece to the next processing station, and if the unbalance amount after the retested of the workpiece is larger than the set standard value, the dynamic balance detection and correction machine feeds back unqualified information of the dynamic balance detection and correction to the control host, and the control host can regulate and control the industrial robot to transport the qualified workpiece to an unqualified product area.
Further, the standard value may be 0.15g, and when the unbalance amount of the workpiece is less than or equal to 0.15g, the dynamic balance detection and correction of the workpiece is qualified.
Further, after the dynamic balance detection and correction machine detects that the workpiece is conveyed and transferred, the dynamic balance detection and correction machine feeds back to the control host, and the control host regulates and controls the industrial robot to perform feeding operation of the dynamic balance detection and correction machine.
S13: and after the workpiece completes dynamic balance detection and correction, the control host generates a dispensing control instruction.
Specifically, after the workpiece completes the dynamic balance detection and correction, the dynamic balance detection and correction machine sends a data signal for completing the detection and correction to the control host, the fastening machine feeds back the state information of the device to the control host, and the control host generates a dispensing control instruction according to the data signal for completing the detection and correction and the state information of the device.
Further, the fastening machine feeds back self equipment state information to the control host in real time, the equipment state comprises a working state, a working completion state, an idle state and a fault state, and the control host can regulate and control the operation of the system according to the equipment state of the fastening machine.
Further, the working state indicates that the fastening machine performs workpiece screw connection fixing and dispensing treatment; the work completion state indicates that the fastening machine completes the bolt connection fixing and dispensing processing of the workpiece, and the control host can regulate and control the industrial robot to convey the workpiece on the fastening machine to the receiving machine; the idle state indicates that the control host can regulate and control the industrial robot to perform feeding operation of the fastening machine; the fault state indicates that the fastening machine has equipment fault, and the control host can inform related technicians to carry out maintenance.
S14: and the industrial robot carries the workpiece which is subjected to dynamic balance detection and correction to a fastening machine based on the dispensing control instruction.
Specifically, the industrial robot grabs the workpiece subjected to dynamic balance detection and correction from the dynamic balance detection and correction machine based on the dispensing control instruction, and conveys the workpiece subjected to dynamic balance detection and correction to the fastening machine in an idle state, so that the fastening machine can perform bolt connection fixation and dispensing treatment.
S15: and the fastening machine is used for carrying out bolt connection fixing and dispensing treatment on the workpiece subjected to dynamic balance detection and correction.
Specifically, fig. 8 shows a schematic workflow diagram of a fastening machine in an embodiment of the present invention, where the workflow of the fastening machine includes:
s151: and the fastening machine identifies the workpiece and then clamps the workpiece through a second automatic clamping mechanism.
S152: after clamping the workpiece, the fastening machine drives the workpiece to rotate at a first rotating speed to determine the position of a nut screw hole of the workpiece.
S153: after confirming the position of the canvas screw hole, the fastening machine stops the rotation of the workpiece and screws a fastening screw in the canvas screw hole through a screw machine to finish the screwing and fixing.
Specifically, after the workpiece is clamped, the fastening machine drives the workpiece to rotate at a low speed at a first rotating speed, the position of a nut screw hole in the workpiece is captured through a second laser sensor on the fastening machine, the rotation of the workpiece is stopped after the position of the nut screw hole is determined, the fastening machine regulates and controls the screwing machine to move above the nut screw hole, and the screwing machine screws a fastening screw in the nut screw hole through an electric screwdriver.
S154: after the screwing and fixing are completed, the fastening machine drives the workpiece to rotate at a first rotating speed and determines the position of the balance piece on the workpiece through a dispensing sensor.
S155: and after the position of the balance sheet on the workpiece is determined, the fastening machine stops the rotation of the workpiece and carries out dispensing fixation on the balance sheet through a dispensing machine to finish dispensing treatment.
Specifically, after the fastening machine finishes the bolt connection and fixation of a workpiece, the bolt machine moves and resets, the glue dispenser moves to the left half side edge of the workpiece, the fastening machine drives the workpiece to rotate at a first rotating speed and a low speed, and the position of a balance piece of the left half part of the workpiece is determined by a glue dispensing sensor on the glue dispenser and is fixed by dispensing the balance piece.
Further, after completing the dispensing process of the balance sheet on the left half part of the workpiece, the dispenser moves to the right half side of the workpiece to dispense the balance sheet on the right half part of the workpiece, the specific dispensing operation process is the same as above, and it is not repeated herein,
Further, the dispensing sensor can be a visual sensor, and the position of the balance piece can be accurately captured through the visual sensor. The dispensing sensor may also be a laser sensor, an infrared sensor, or the like.
The invention provides a dynamic balance detection and correction method and a dynamic balance detection and correction system for a through-flow fan blade.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic or optical disk, and the like.
In addition, the dynamic balance detection and correction method and system for the cross-flow fan blade provided by the embodiment of the invention are described in detail, the principle and the implementation mode of the invention are explained by adopting specific embodiments, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A dynamic balance detection and correction method for a cross-flow fan blade is characterized by comprising the following steps:
the control host controls the industrial robot to carry the workpiece from the workpiece feeding machine to the dynamic balance detection correcting machine;
the dynamic balance detection and correction machine performs dynamic balance detection and correction on the workpiece under the control coordination of the control host;
after the workpiece completes dynamic balance detection and correction, the control host generates a dispensing control instruction;
the industrial robot carries the workpiece which is subjected to dynamic balance detection and correction to a fastening machine based on the dispensing control instruction;
and the fastening machine is used for carrying out bolt connection fixing and dispensing treatment on the workpiece which is subjected to dynamic balance detection and correction.
2. The dynamic balance detection and correction method for the cross-flow fan blade according to claim 1, wherein the dynamic balance detection and correction machine performs dynamic balance detection and correction on the workpiece under the control coordination of the control host machine, and comprises:
after the dynamic balance detection and correction machine identifies the workpiece, clamping the workpiece through a first automatic clamping mechanism;
after the workpiece is clamped, the dynamic balance detection correcting machine drives the workpiece to rotate at a first rotating speed to determine a dynamic balance detection original point of the workpiece;
after the dynamic balance detection origin is determined, the dynamic balance detection correcting machine drives the workpiece to rotate at a second rotating speed to perform dynamic balance detection, and dynamic balance detection data are obtained;
the dynamic balance detection and correction machine sends the dynamic balance detection data to the control host;
the control host generates a control instruction according to the dynamic balance detection data, and controls the industrial robot to grab the balance sheet from the balance sheet feeding machine based on the control instruction;
the industrial robot conveys the grabbed balance sheet to the dynamic balance detection and correction machine based on the control instruction;
and the dynamic balance detection and correction machine inserts the balance sheet on the workpiece according to the dynamic balance detection data to finish dynamic balance correction.
3. The dynamic balance detection and correction method for the cross-flow fan blade according to claim 2, wherein after the dynamic balance detection origin is determined, the dynamic balance detection and correction machine drives the workpiece to rotate at a second rotation speed to perform dynamic balance detection, and obtaining dynamic balance detection data comprises:
the dynamic balance detection and correction machine acquires the vibration amplitude of the workpiece during rotation;
calculating the unbalance amount, the unbalance position and the unbalance angle of the workpiece according to the vibration amplitude;
and integrating the unbalance amount, the unbalance position and the unbalance angle to obtain the dynamic balance detection data.
4. The dynamic balance detection and correction method for the cross-flow fan blade according to claim 3, wherein the control host generates a control command according to the dynamic balance detection data, and the controlling the industrial robot to grab the balance sheet from the balance sheet feeder based on the control command comprises:
the control host machine extracts the unbalance amount of the dynamic balance detection data and matches balance pieces with corresponding specifications according to the unbalance amount;
the control host generates a control instruction according to the balance sheet with the corresponding specification;
the industrial robot selects a required balance sheet from a corresponding position on the balance sheet feeding machine based on the control instruction;
and the industrial robot grabs the required balance sheet based on the control instruction.
5. The dynamic balance detection and correction method for the cross-flow fan blade according to claim 3, wherein the dynamic balance detection and correction machine inserts the balance sheet on the workpiece to complete dynamic balance correction according to the dynamic balance detection data comprises:
the dynamic balance detection correcting machine drives the workpiece to rotate by a corresponding angle from a dynamic balance detection origin according to an unbalanced angle in the dynamic balance detection data;
after the workpiece rotates by a corresponding angle, the dynamic balance detection and correction machine confirms the position of the insert sheet through the insert sheet sensor according to the unbalanced position in the dynamic balance detection data;
and the dynamic balance detection and correction machine inserts the balance sheet on the workpiece according to the position of the insert sheet to finish dynamic balance correction.
6. The dynamic balance detection and correction method for the cross-flow fan blade according to claim 1, wherein the step of generating the dispensing control command by the control host after the workpiece completes the dynamic balance detection and correction comprises:
after the workpiece completes the dynamic balance detection and correction, the dynamic balance detection and correction machine sends a data signal for completing the detection and correction to the control host;
the fastening machine feeds back self equipment state information to the control host;
and the control host generates a dispensing control instruction according to the data signal for completing detection and correction and the equipment state information.
7. The dynamic balance detection and correction method for the through-flow fan blade according to claim 1, wherein the fastening machine performs screwing fixation and dispensing treatment on the workpiece subjected to dynamic balance detection and correction, and comprises the following steps:
the fastening machine identifies a workpiece and then clamps the workpiece through a second automatic clamping mechanism;
after clamping the workpiece, the fastening machine drives the workpiece to rotate at a first rotating speed to determine the position of a cloth screw hole of the workpiece;
after confirming the position of the canvas screw hole, stopping the rotation of the workpiece by the fastening machine, and screwing a fastening screw in the canvas screw hole by a screw machine to finish the screwing and fixing;
after the screwing and fixing are completed, the fastening machine drives the workpiece to rotate at a first rotating speed and determines the position of a balance sheet on the workpiece through a dispensing sensor;
and after the position of the balance sheet on the workpiece is determined, the fastening machine stops the rotation of the workpiece and carries out dispensing fixation on the balance sheet through a dispensing machine to finish dispensing treatment.
8. A dynamic balance detection and correction system for a cross-flow fan blade is characterized by comprising an industrial robot, a control host machine for controlling the movement of the industrial robot, a workpiece feeding machine, a dynamic balance detection and correction machine and a fastening machine;
the control host is used for controlling the industrial robot to convey the workpiece from the workpiece feeding machine to the dynamic balance detection correcting machine;
the dynamic balance detection and correction machine is used for performing dynamic balance detection and correction on the workpiece under the control coordination of the control host;
the control host is also used for generating a dispensing control instruction after the workpiece completes dynamic balance detection and correction;
the industrial robot is used for carrying the workpiece which is subjected to dynamic balance detection and correction to the fastening machine according to the dispensing control instruction;
and the fastening machine is used for performing bolt connection fixing and dispensing treatment on the workpiece which is subjected to dynamic balance detection and correction.
9. The dynamic balance detection and correction system for the cross-flow fan blade of claim 8, wherein the dynamic balance detection and correction machine is provided with a display screen, and the display screen is used for displaying dynamic balance detection data of the workpiece.
10. The dynamic balance detection and correction system for a through-flow fan blade of claim 8, wherein the dynamic balance detection and correction system further comprises a material receiving machine, the material receiving machine comprises a qualified product storage area and an unqualified product storage area;
the qualified product storage area is used for storing products qualified in dynamic balance detection and correction;
and the unqualified product storage area is used for storing the dynamic balance detection and correction unqualified products.
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| CN202211285343.8A CN115901089A (en) | 2022-10-19 | 2022-10-19 | Dynamic balance detection and correction method and system for cross-flow fan blade |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907729A (en) * | 2023-07-13 | 2023-10-20 | 东莞市卓茂仪器有限公司 | Impeller balance correction method based on dispensing and quality improvement |
| CN118424557A (en) * | 2024-06-28 | 2024-08-02 | 泰安法兰德环保科技有限公司 | Dynamic balance testing device and method for fan blade of glass fiber reinforced plastic fan |
-
2022
- 2022-10-19 CN CN202211285343.8A patent/CN115901089A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907729A (en) * | 2023-07-13 | 2023-10-20 | 东莞市卓茂仪器有限公司 | Impeller balance correction method based on dispensing and quality improvement |
| CN116907729B (en) * | 2023-07-13 | 2024-05-14 | 东莞市卓茂仪器有限公司 | Impeller balance correction method based on dispensing and quality improvement |
| CN118424557A (en) * | 2024-06-28 | 2024-08-02 | 泰安法兰德环保科技有限公司 | Dynamic balance testing device and method for fan blade of glass fiber reinforced plastic fan |
| CN118424557B (en) * | 2024-06-28 | 2024-09-03 | 泰安法兰德环保科技有限公司 | Dynamic balance testing device and method for fan blade of glass fiber reinforced plastic fan |
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