CN112718406A - Automatic dispensing control method and system and automatic dispensing machine - Google Patents
Automatic dispensing control method and system and automatic dispensing machine Download PDFInfo
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- CN112718406A CN112718406A CN202011534572.XA CN202011534572A CN112718406A CN 112718406 A CN112718406 A CN 112718406A CN 202011534572 A CN202011534572 A CN 202011534572A CN 112718406 A CN112718406 A CN 112718406A
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- 238000000034 method Methods 0.000 title claims abstract description 71
- 239000003292 glue Substances 0.000 claims abstract description 205
- 238000012545 processing Methods 0.000 claims description 48
- 230000008569 process Effects 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 11
- 238000005491 wire drawing Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 12
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- 230000009286 beneficial effect Effects 0.000 description 2
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- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1015—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
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- 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
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an automatic dispensing control method, an automatic dispensing control system and an automatic dispensing machine, wherein the automatic dispensing control method comprises the steps of obtaining a dispensing area of a workpiece to be processed; determining a preset dispensing path corresponding to the dispensing area; setting various types of dispensing parameters according to the preset dispensing path; simulating a dispensing path of a glue gun according to the dispensing parameters of the various types, and judging whether the dispensing path accords with the preset dispensing path; and if the dispensing path accords with the preset dispensing path, controlling the glue gun to enter a working mode, and dispensing according to the dispensing path. The automatic dispensing control method and system and the automatic dispensing machine have the advantages of high dispensing precision, convenience and rapidness, and can improve the production rate of products and the quality of the products.
Description
Technical Field
The invention relates to the technical field of dispenser machines, in particular to an automatic dispensing control method and system and an automatic dispenser machine.
Background
The traditional glue dispensing is manually operated by workers, and with the rapid development of automation technology, the manual glue dispensing is far from meeting the industrial requirements and is gradually replaced by an automatic glue dispenser; the application of the automatic glue dispenser improves the production efficiency to a great extent, improves the product quality, can realize certain processes which cannot be finished by manual glue dispensing, and can realize three-axis linkage and intelligent work in the automation degree; in industrial production, the dispensing process is widely applied to, for example, integrated circuits, semiconductor packages, printed circuit boards, color liquid crystal panels, electronic components (e.g., relays, speakers), electronic parts, automobile parts, and the like. However, the existing full-automatic dispensing machine and dispensing control method may have the phenomena of glue gun blockage, glue overflow and the like in the dispensing process, so that the problems of wire drawing, tailing, discontinuous glue dot size, no glue dot, satellite glue dot and the like occur after the product surface is dispensed, and the quality of the product is affected. Therefore, an automatic dispensing control method, system and automatic dispenser are needed, which have high dispensing precision, are convenient and fast, and improve the production rate.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automatic dispensing control method, an automatic dispensing control system and an automatic dispensing machine, which have the advantages of high dispensing precision, convenience and rapidness, and the production rate and the dispensing quality of products are improved. The technical scheme is as follows:
in one aspect, the invention provides an automatic dispensing control method, which comprises the steps of
Acquiring a dispensing area of a workpiece to be processed;
determining a preset dispensing path corresponding to the dispensing area;
setting various types of dispensing parameters according to the preset dispensing path;
simulating a dispensing path of a glue gun according to the dispensing parameters of the various types, and judging whether the dispensing path accords with the preset dispensing path;
and if the dispensing path accords with the preset dispensing path, controlling the glue gun to enter a working mode, and dispensing according to the dispensing path.
Further, the preset dispensing path includes at least one of single-point dispensing, straight-line dispensing, circular-arc dispensing, circular dispensing and glue coating.
Further, the gluing comprises square gluing and round gluing,
when the glue is applied in a square shape, the dispensing parameters comprise glue application length, glue application width and path distance;
when the glue is circular, the glue dispensing parameters comprise a circular radius and a path distance.
Further, the setting of the dispensing parameters of the various types includes:
if the preset dispensing paths are different, setting the corresponding dispensing parameters of the same type to be different numerical values;
if the preset dispensing paths are the same and the distance between the adjacent preset dispensing paths is equal, setting the dispensing parameters corresponding to one preset dispensing path as standard dispensing parameters, and setting the dispensing parameters of the array dispensing according to the standard dispensing parameters;
if the preset dispensing paths are the same and the distance between the adjacent preset dispensing paths is different, setting the dispensing parameter corresponding to one preset dispensing path as a standard dispensing parameter, and calling the standard dispensing parameter at the starting point of each preset dispensing path.
Further, the dispensing parameters of the various types include:
at least one of needle aligning, needle aligning calibration, downward movement limit value of a glue gun, idle stop point coordinates, glue gun lifting height, idle movement speed, advanced glue discharging time, line segment glue speed, line segment glue dispensing and wire drawing parameters, line segment glue dispensing time parameters, single-point glue dispensing parameters, output signals during emergency stop, output signal initialization, idle glue dripping time, uniform debugging speed and a workpiece counter.
Further, simulating a dispensing path of a glue gun according to the dispensing parameters of the plurality of types, and determining whether the dispensing path conforms to the preset dispensing path includes:
when the first round of glue dispensing processing is started, controlling the glue gun to enter a constant speed mode according to various types of glue dispensing parameters, simulating a glue dispensing path, and judging whether the simulated glue dispensing path is overlapped with the preset glue dispensing path;
when the workpiece to be processed is not firstly subjected to the dispensing processing, if the workpiece to be processed is the same as the workpiece to be processed in the previous dispensing processing, the dispensing path is directly judged to be in accordance with the preset dispensing path.
Further, after the controlling the glue gun to enter the working mode and dispensing is performed according to the dispensing path, the method further includes:
judging whether the dispensing processing is finished or not;
if so, ending the current dispensing processing and controlling the glue gun to return to the initial position;
if not, the next round of dispensing processing is carried out.
Further, the determining whether the dispensing process is finished includes:
when the workpiece to be processed corresponding to the dispensing area is one piece, judging whether the glue gun is positioned at the end of the preset dispensing path; if so, finishing the dispensing processing, and controlling the glue gun to return to the initial position;
when the workpieces to be processed are multiple, judging whether the count value of the workpiece counter overflows a limit value; and if so, finishing the dispensing processing and controlling the glue gun to return to the initial position.
In another aspect, the present invention provides an automatic dispensing control system, including:
the first acquisition module is used for acquiring a dispensing area of a workpiece to be processed;
the first determining module is used for determining a preset dispensing path corresponding to the dispensing area;
the dispensing parameter setting module is used for setting various dispensing parameters according to the preset dispensing path;
the first judgment module is used for simulating a dispensing path of a glue gun according to the dispensing parameters of various types and judging whether the dispensing path accords with the preset dispensing path;
and the control module is used for controlling the glue gun to enter a working mode when the glue dispensing path accords with the preset glue dispensing path, and dispensing according to the glue dispensing path.
On the other hand, the invention also provides an automatic glue dispenser which comprises the automatic glue dispensing control system.
The implementation of the invention has the following beneficial effects: the invention can accurately set the dispensing parameters and judge whether the dispensing path is accurate in advance by simulating the dispensing path of the glue gun, thereby ensuring the accuracy and reliability of the dispensing process, simultaneously enabling the dispensing process to be faster and improving the production efficiency; in addition, various types of glue dispensing parameter setting can not only realize various glue dispensing paths, but also deal with various accidental glue discharging, avoid the influence of the problems of glue leakage, glue overflow and the like on the glue dispensing process, and have high intelligent degree.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a logic structure diagram of an automatic dispensing control method according to the present invention;
fig. 2 is a logic structure diagram for setting various types of dispensing parameters in one possible embodiment of the present invention;
fig. 3 is a flowchart of a method for determining a dispensing path according to a possible embodiment of the present invention;
FIG. 4 is a flow chart of a method for determining the return of the glue gun to the home position in one possible embodiment of the present invention;
FIG. 5 is a flowchart of a method for determining a dispensing process state in accordance with one possible embodiment of the present invention;
fig. 6 is a schematic structural diagram of an automatic dispensing control system according to an 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, and therefore, the present invention is not to be construed as being limited thereby. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention can be practiced otherwise than as specifically illustrated or described below. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present embodiment provides an automatic dispensing control method, which is applicable to an automatic dispensing control system according to an embodiment of the present invention, and the automatic dispensing control system may be configured in a controller of the automatic dispensing machine, and when a dispensing area of a workpiece to be processed is obtained, a preset dispensing path corresponding to the dispensing area is determined, and various types of dispensing parameters are set accordingly, so as to form a group of special dispensing parameter sets in the controller, so that a dispensing path simulated by a glue gun according to the dispensing parameter sets can completely coincide with the preset dispensing path, and it is ensured that the glue gun can strictly dispense glue according to the dispensing path when actually entering a working mode under an instruction of the controller, and the accuracy is high; when the simulated dispensing path and the preset dispensing path are not completely overlapped, the setting error of the dispensing parameters can be judged, the dispensing parameters are changed into correct dispensing parameters, then the glue gun is controlled to enter a working mode, and the step of dispensing is carried out according to the dispensing path, so that the poor product quality caused by dispensing errors is avoided.
The following describes in detail the technical solution of the embodiment of the present invention, with reference to the accompanying fig. 1 of the specification, the method includes:
s101, obtaining a dispensing area of a workpiece to be processed.
In one possible embodiment of the present invention, manual acquisition may be adopted, and the dispensing area may also be monitored by the monitoring element; meanwhile, the dispensing area is not only stuck in one plane, but may be an XY plane, an XZ plane, a YZ plane, and a three-dimensional inclined plane.
S103, determining a preset dispensing path corresponding to the dispensing area.
The preset dispensing paths are matched with the dispensing areas in a one-to-one correspondence manner; for example, when the predetermined dispensing area is two points, the corresponding predetermined dispensing path is also two points.
And S105, setting various types of dispensing parameters according to the preset dispensing path.
The dispensing parameters are various, a group of dispensing parameter sets are formed after the dispensing parameters of different types set specific values, and the dispensing parameter sets specifically correspond to the preset dispensing path so as to ensure the dispensing accuracy.
S107, simulating a dispensing path of a glue gun according to the dispensing parameters of the various types, and judging whether the dispensing path accords with the preset dispensing path.
The glue gun mainly has three operation modes, namely a working mode, a glue-free mode and a constant-speed mode; the working mode is a normal dispensing processing mode; the glue-free mode is that the moving speed and the path of the glue gun are the same as those of the working mode, but no glue is discharged; the uniform speed mode is that the running path of the glue gun is the same as the working mode, but the glue gun runs at the speed of the uniform speed mode without glue discharging, and the method is mainly used for testing the path; when a dispensing path of the glue gun is simulated, the glue gun is in a constant speed mode, and whether the dispensing path is completely overlapped with a preset dispensing path or not is judged through the simulated actual dispensing path so as to ensure the accurate proceeding of subsequent dispensing processing; if the dispensing path does not completely coincide with the predetermined dispensing path, it may be determined that at least one dispensing parameter is set incorrectly in step S105, which is beneficial to find out the error and change the error in time until the dispensing path completely coincides with the predetermined dispensing path, and step S109 is executed.
S109, if the dispensing path accords with the preset dispensing path, the glue gun is controlled to enter a working mode, and dispensing is carried out according to the dispensing path.
Specifically, the preset dispensing path includes at least one of single-point dispensing, linear dispensing, circular dispensing, and glue dispensing.
The single-point dispensing is a dispensing process in which the actual dispensing path is only a point; in a possible embodiment of the present invention, the preset dispensing path is a plurality of single-point dispensing, coordinate values of the single-point dispensing parameters are set, and finally the step S109 is executed to obtain a series of dispensing points.
When the preset dispensing path is straight-line dispensing, setting two dispensing parameters of a line starting point coordinate and a line ending point coordinate, and finally executing the step S109 to obtain a line segment; when the finally required dispensing paths are continuous but nonparallel line segments, the corresponding preset dispensing paths are continuous line segment dispensing, including a plurality of end-to-end straight line dispensing, and three dispensing parameters including a line starting point coordinate, a line ending point coordinate and at least one line middle point coordinate are set.
And when the preset dispensing path is circular-arc dispensing, setting three dispensing parameters of a line starting point coordinate, a circular-arc point coordinate and a line ending point coordinate, and finally executing the step S109 to obtain a circular arc.
When the preset dispensing path is circular dispensing, the starting position of the circular dispensing can be set by taking an angle as a unit, and the 12 o' clock position is 0 degree and rotates clockwise; in a possible implementation manner of the invention, the initial angle is set to 45 degrees, and the inertia jitter of the glue gun is minimum, so that the glue dispensing quality is favorably improved; in another possible embodiment of the present invention, the circular dispensing can be further configured with an over-angle, that is, the needle of the glue gun can travel a set arc length after completing a circle of glue closing, so as to ensure that the glue amount at the starting point and the ending point is more uniform.
In addition, various preset dispensing paths can be combined to meet various production requirements in actual production; for example, in one possible embodiment of the present invention, if the preset dispensing path is combined dispensing of a continuous line segment and an arc, four dispensing parameters, corresponding to a line start point coordinate, a line middle point coordinate, an arc point coordinate, and a line end point coordinate, are set; if the circular arc is located in the middle of the continuous line segment, the coordinates of the line starting point and the line ending point when the circular arc is dispensed should be set as the coordinates of the middle point of the two lines.
Specifically, the glue coating comprises square glue coating and circular glue coating.
The starting point of the square glue coating is the upper left corner of the square glue coating, the glue coating parameters comprise glue coating length, glue coating width and path distance, and a plurality of bow-shaped glue coatings in an end-to-end connection mode are obtained after the step S109 is executed in the actual glue coating processing procedure; and the glue outlet route of the circular glue coating is a spiral line, the needle head of the glue gun is moved to the circle center of the circular glue coating during glue dispensing, the glue dispensing parameters comprise the circular radius and the route distance, and the spiral line extending from the circle center to the periphery is obtained after the step S109 is executed.
Specifically, according to the actual preset dispensing path, the manner of setting various types of dispensing parameters is also different; preferably, as shown in fig. 2 of the specification, the setting of the dispensing parameters of the plurality of types includes:
s202, judging whether the preset dispensing paths are different,
s204, if yes, setting the corresponding dispensing parameters of the same type as different numerical values;
the step S202 is a judging step, where the plurality of different preset dispensing paths are different, that is, the starting point positions, the moving directions, the moving speeds, and the like of the plurality of preset dispensing paths are different; for example, in one possible embodiment of the present invention, the predetermined dispensing path is two line segments, namely a first line segment and a second line segment, but the dispensing speeds of the two line segments are different, the corresponding dispensing parameter is a line segment dispensing speed, and the setting value of the line segment dispensing speed of the first line segment and the setting value of the line segment dispensing speed of the second line segment are set to two different values.
S206, if the preset dispensing paths are the same and the distances between the adjacent preset dispensing paths are equal,
s208, setting the dispensing parameter corresponding to one preset dispensing path as a standard dispensing parameter, and setting the dispensing parameter of the array dispensing according to the standard dispensing parameter;
the step S206 is a determination step, which means that the plurality of preset dispensing paths are arranged in a manner that the horizontal and vertical distances are all the same; at this time, only one group of dispensing parameters corresponding to one preset dispensing path needs to be set and defined as standard dispensing parameters, and then the dispensing processing of all the preset dispensing paths can be realized by adopting an array dispensing mode, so that the dispensing efficiency is greatly improved.
In addition, when there is a slight difference between a plurality of preset dispensing paths in the array dispensing, the array expansion may be performed to purposefully correct individual dispensing parameters to ensure the dispensing quality of the product after the step S109 is performed.
S210, if the preset dispensing paths are the same and the distance between the adjacent preset dispensing paths is different,
s212, setting the dispensing parameter corresponding to one of the preset dispensing paths as a standard dispensing parameter, and invoking the standard dispensing parameter at the starting point of each of the preset dispensing paths.
The step S210 is also a determination step, and similar to the step S206, this step can be regarded as two determination substeps: firstly, judging whether the preset dispensing paths are the same, if not, judging that the preset dispensing paths are different, and returning to execute S204; if the judgment result is yes, further judging whether the distances between the adjacent preset dispensing paths are the same, if so, returning to execute the step S208; if not, step S212 is executed to call the standard dispensing parameters at the starting point of each preset dispensing path to improve the dispensing efficiency.
Specifically, the dispensing parameters such as the line start point, the line middle point, the arc point, and the line end point are basic dispensing parameters, and in addition, the dispensing parameters further include at least one of a needle point alignment, a calibration needle point alignment, a glue gun downward movement limit value, an idle stop point coordinate, a glue gun lifting height, an idle movement speed, an advanced glue discharging time, a line segment glue speed, a line segment glue dispensing and drawing parameter, a line segment glue dispensing time parameter, a single-point glue dispensing parameter, an output signal during emergency stop, an output signal initialization, an idle glue dispensing time, a uniform debugging speed, and a workpiece counter.
The needle point is used for correcting a processing error caused by needle head deviation when a needle head of the glue gun is replaced by using a calibration needle point; the setting mode of the needle aligning point is two, one is that the coordinate of the first point of the dispensing is used as the needle aligning point, the other is that the set coordinate is used as the needle aligning point, and if the set coordinate is used as the needle aligning point, the needle head is manually moved to the position to be set, and the confirmation is carried out.
The calibration of the needle alignment point is the correction of the needle alignment point, the needle head is automatically moved to a position 3mm above the coordinate of the needle alignment point to prevent collision, and then the needle head is moved to the needle alignment point and then the calibration of the needle alignment point can be completed; after the calibration is finished, all the dispensing processing coordinate values compensate the deviation error of the needle head so as to ensure that the processing precision is unchanged.
The glue gun downward movement limiting value is used for limiting the downward movement of the glue gun so as to prevent the glue gun from downward moving and colliding with a workpiece to be processed during manual operation.
The idle stop point is the position where the dispensing machine stops after finishing, and the following three options can be set: setting coordinates as idle stop points, setting the positions above the dispensing starting points as the idle stop points, and setting the positions above the dispensing finishing points as the idle stop points; the latter two options can be selected in the common dispensing processing, and the working efficiency is high; however, if the needle is required to be cleaned or glue is discharged regularly when the needle is idle, the first option needs to be set, and the coordinate can be set to the needle cleaning position or the glue discharging position regularly.
The lifting height of the glue gun is the lifting height of the glue gun when the glue gun moves to the next glue dispensing processing point after glue dispensing is finished, and in a possible implementation manner of the specification, the glue dispensing processing point can refer to the starting point of a preset glue dispensing path; in order to improve the efficiency, the setting value does not need to be set too large, and only the height of the workpiece to be processed is ensured not to be touched; when the dispensing processing points are not at the same plane height, the setting value of the lifting height of the glue gun is based on the dispensing processing points at the high position.
The idle moving speed refers to the moving speed of moving to the next section of dispensing processing after completing one section of dispensing processing in the processing process, the translation speed and the up-down moving speed are independently set, the size of the idle moving speed can directly influence the processing efficiency, and meanwhile, the actual performance and the load weight of the automatic dispenser are also referred to during setting.
The reason that the glue has certain viscosity, the glue discharging time needs to be certain time from the opening of the glue dispensing valve of the glue gun to the glue discharging, in order to improve the working efficiency, in one possible implementation mode of the invention, the process is put into the idle moving process, the position where the glue dispensing signal is opened in the idle moving process is calculated according to the set idle moving speed and acceleration, but in order to prevent the glue from dropping too fast, the glue discharging time needs to be set according to the viscosity of the glue in advance.
The line dispensing speed is the speed of the glue gun moving during dispensing, and is used in the glue dispensing processes including line dispensing, circular dispensing, glue dispensing and the like.
The setting of the line segment dispensing and wire drawing parameters aims to solve the problem of glue collecting and tailing caused by the viscosity and the hysteresis of glue, and is effective for line segment dispensing, circular arc dispensing, circular dispensing and square gluing.
Setting the line segment dispensing time parameters, including line segment starting residence time and line segment ending residence time; the line segment starting stay time refers to the stay time at the dispensing starting point after the dispensing valve is opened when the needle head moves to the dispensing starting point, so that the problem of glue discharging delay is solved; the stay time of the segment ending means that the segment stays after dispensing and then is lifted so as to avoid wire drawing.
The single-point dispensing parameters comprise single-point dispensing time, ending residence time, drawing lifting height and drawing lifting speed; the single-point dispensing time refers to the time when a dispensing valve is opened to discharge glue at the single-point dispensing position; the stop time refers to the time for continuing stopping after closing the dispensing valve after the glue outlet time of the single-point dispensing position is finished, so that the problem of glue collection delay of glue is solved, and wire drawing is prevented; the wire drawing lifting height refers to a certain height which is lifted at the slow wire drawing lifting speed after single-point gluing and then lifted to the glue gun lifting height at the idle moving speed so as to solve the wire drawing problem, and in one possible embodiment of the specification, the wire drawing lifting height can be set to be 0.
The setting of the idle glue dripping time is used for preventing glue which is easy to dry from solidifying at the needle nozzle of the glue gun when the glue is idle and does not work.
The uniform debugging speed is the speed used in the glue-free mode and the uniform mode.
The workpiece counter can be used for setting a counting value and a limiting value and judging whether the dispensing processing procedure is finished or not.
Specifically, as shown in fig. 3 in the specification, the simulating a dispensing path of a glue gun according to the dispensing parameters of the plurality of types and determining whether the dispensing path matches the preset dispensing path includes:
s301, judging whether the first round of dispensing processing is started or not;
s303, if yes, controlling the glue gun to enter a constant speed mode according to the various glue dispensing parameters, and simulating a glue dispensing path;
s305, judging whether the simulated dispensing path is overlapped with the preset dispensing path; if yes, step S109 is executed.
Further, after the step of S301, the method further includes:
s307, if the judgment result in the step S301 is negative, judging whether the workpiece to be processed is the same as the workpiece to be processed in the previous dispensing processing; if yes, directly judging that the dispensing path accords with the preset dispensing path, and directly executing the step S109.
The basis for judging whether to enter one round of dispensing processing for the first time can be whether the automatic dispensing machine is in a starting state or not, and can also be whether setting values of various dispensing parameters matched with the dispensing processing of the round are stored in the automatic dispensing machine, if so, the automatic dispensing machine does not enter one round of dispensing processing for the first time, the following step S307 is executed, a repeated simulation dispensing path is omitted, and the dispensing efficiency is greatly accelerated.
Specifically, as shown in fig. 4 in the specification, after the controlling the glue gun to enter the working mode and performing the dispensing according to the dispensing path, the method further includes:
s402, judging whether the dispensing processing is finished or not;
and S404, if yes, ending the current dispensing processing, and controlling the glue gun to return to the initial position.
In addition, if the determination result of the step S402 is negative, the next dispensing process is performed until the current dispensing process is determined to be finished; the ending of the current dispensing processing can be to shut down the automatic dispenser or to switch the automatic dispenser into a dormant state so as to facilitate the next dispensing; in the process of controlling the glue gun to return to the initial position, the needle nozzle of the glue gun can be cleaned midway, the sanitation and cleanness of the glue gun are kept, and the phenomenon that a workpiece to be processed is polluted when the glue gun is used next time and the glue dispensing quality is influenced is avoided.
Specifically, as shown in fig. 5 of the specification, the determining whether the dispensing process is finished includes:
s501, when the workpiece to be processed corresponding to the dispensing area is one piece, judging whether the glue gun is positioned at the end of the preset dispensing path; if yes, go to step S404;
s503, when the workpieces to be processed are multiple, judging whether the count value of the workpiece counter overflows a limit value; if yes, go to step S404.
In the step S503, the limit value of the workpiece counter is set by the workpiece counter in the dispensing parameter, and the count value is counted by the workpiece counter, which is mainly used for counting the workpieces in the circular processing.
According to the embodiment of the automatic dispensing control method provided by the invention, the automatic dispensing control method in the embodiment of the invention ensures the accuracy and reliability of the dispensing process by accurately setting the dispensing parameters, and meanwhile, the dispensing process is faster, and the production efficiency is improved; in addition, various types of glue dispensing parameter setting can not only realize various glue dispensing paths, but also deal with various accidental glue discharging, avoid the influence of the problems of glue leakage, glue overflow and the like on the glue dispensing process, and have high intelligent degree.
Corresponding to the automatic dispensing control method provided in the foregoing embodiment, an automatic dispensing control system is further provided in an embodiment of the present invention, and since the automatic dispensing control system provided in an embodiment of the present invention corresponds to the automatic dispensing control methods provided in the foregoing embodiments, the embodiments of the automatic dispensing control method are also applicable to the automatic dispensing control system provided in this embodiment, and will not be described in detail in this embodiment.
The automatic dispensing control system provided by the embodiment of the invention can realize the automatic dispensing control method in the embodiment of the method, and the system can comprise
A first obtaining module 610, configured to obtain a dispensing area of a workpiece to be processed;
a first determining module 620, configured to determine a preset dispensing path corresponding to the dispensing area;
a dispensing parameter setting module 630, configured to set various types of dispensing parameters according to the preset dispensing path;
the first judging module 640 is configured to simulate a dispensing path of a glue gun according to the dispensing parameters of the plurality of types, and judge whether the dispensing path matches the preset dispensing path;
and the control module 650 is configured to control the glue gun to enter a working mode when the dispensing path matches the preset dispensing path, and dispense glue according to the dispensing path.
In a possible implementation manner, the dispensing parameter setting module 630 may further include:
the second judgment module is used for judging whether the preset dispensing paths are different;
the first setting module is used for setting the corresponding dispensing parameters of the same type into different numerical values when the preset dispensing paths are different.
In a possible implementation manner, the dispensing parameter setting module 630 may further include:
the third judging module is used for judging whether the preset dispensing paths are the same and the distances between the adjacent preset dispensing paths are equal; if yes, setting the dispensing parameters corresponding to one preset dispensing path as standard dispensing parameters, and setting dispensing parameters for array dispensing according to the standard dispensing parameters.
In a possible implementation manner, the dispensing parameter setting module 630 may further include:
the fourth judging module is used for judging whether the preset dispensing paths are the same and the distance between the adjacent preset dispensing paths is different; if so, setting the dispensing parameters corresponding to one of the preset dispensing paths as standard dispensing parameters, and calling the standard dispensing parameters at the starting point of each preset dispensing path.
In a possible implementation, the first determining module 640 may further include:
the fifth judgment module is used for judging whether the first round of dispensing processing is started; if so, controlling the glue gun to enter a constant speed mode according to various types of glue dispensing parameters, simulating a glue dispensing path, and judging whether the simulated glue dispensing path is overlapped with the preset glue dispensing path;
the sixth judging module is used for judging whether the workpiece to be processed is the same as the workpiece to be processed in the previous round of dispensing processing when the workpiece to be processed does not enter the first round of dispensing processing; if yes, the dispensing path is directly judged to accord with the preset dispensing path.
It should be noted that, in the system provided in the foregoing embodiment, when the functions of the system are implemented, only the division of the functional modules is illustrated, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the apparatus and method embodiments provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments for details, which are not described herein again.
The automatic dispensing system of the embodiment of the invention determines a preset dispensing path corresponding to a dispensing area by acquiring the dispensing area of a workpiece to be processed, and further sets various dispensing parameters according to the preset dispensing path; judging whether a preset dispensing path is met or not according to a dispensing path simulated by the glue gun, and controlling the glue gun to enter a working mode and dispensing according to the dispensing path when the judgment result is yes; the accuracy is high in point to do benefit to and promote finished product quality, and the production process is quick, and intelligent degree is high.
The embodiment of the invention also provides an automatic glue dispenser, which comprises a controller and the automatic glue dispensing control system, wherein the automatic glue dispensing control system is controlled by the controller, the controller comprises a processor and a memory, at least one instruction or at least one section of program is stored in the memory, and the at least one instruction or the at least one section of program is loaded and executed by the processor to realize the automatic glue dispensing control method.
The processor (or CPU) is a core component of the automatic dispensing control system, and mainly has the functions of interpreting memory instructions and Processing data fed back by each monitoring module or acquisition module; the processor is generally divided into an arithmetic logic unit and a register unit, wherein the arithmetic logic unit mainly performs related logic calculations (such as shift operations, logic operations, fixed-point or floating-point arithmetic operations, address operations, etc.), and the register unit is used for temporarily storing instructions, data, and addresses.
The memory is a memory device and can be used for storing software programs and modules, and the processor executes various functional applications and data processing by running the software programs and modules stored in the memory. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system, application programs needed by functions and the like; the storage data area may store data created according to use of the device, and the like; accordingly, the memory may further include a memory controller to provide the processor access to the memory; alternatively, the Memory may include, but is not limited to, a Random Access Memory (RAM), a Read-Only Memory (ROM), a usb disk, a removable hard disk, a magnetic disk storage device, a flash Memory device, other volatile solid state storage devices, and various other memories capable of storing program codes.
It should be noted that the order of the above embodiments of the present invention is only for description, and does not represent the merits of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
While the invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the invention as defined by the claims.
Claims (10)
1. An automatic dispensing control method is characterized by comprising
Acquiring a dispensing area of a workpiece to be processed;
determining a preset dispensing path corresponding to the dispensing area;
setting various types of dispensing parameters according to the preset dispensing path;
simulating a dispensing path of a glue gun according to the dispensing parameters of the various types, and judging whether the dispensing path accords with the preset dispensing path;
and if the dispensing path accords with the preset dispensing path, controlling the glue gun to enter a working mode, and dispensing according to the dispensing path.
2. The method as claimed in claim 1, wherein the predetermined dispensing path comprises at least one of single-point dispensing, straight dispensing, circular dispensing and glue dispensing.
3. The automatic dispensing control method of claim 2, wherein said glue application comprises square glue application and circular glue application,
when the glue is applied in a square shape, the dispensing parameters comprise glue application length, glue application width and path distance;
when the glue is circular, the glue dispensing parameters comprise a circular radius and a path distance.
4. The automatic dispensing control method according to claim 1, wherein the setting of the dispensing parameters of the plurality of types comprises:
if the preset dispensing paths are different, setting the corresponding dispensing parameters of the same type to be different numerical values;
if the preset dispensing paths are the same and the distance between the adjacent preset dispensing paths is equal, setting the dispensing parameters corresponding to one preset dispensing path as standard dispensing parameters, and setting the dispensing parameters of the array dispensing according to the standard dispensing parameters;
if the preset dispensing paths are the same and the distance between the adjacent preset dispensing paths is different, setting the dispensing parameter corresponding to one preset dispensing path as a standard dispensing parameter, and calling the standard dispensing parameter at the starting point of each preset dispensing path.
5. The method as claimed in claim 1, wherein the dispensing parameters of the plurality of types include:
at least one of needle aligning, needle aligning calibration, downward movement limit value of a glue gun, idle stop point coordinates, glue gun lifting height, idle movement speed, advanced glue discharging time, line segment glue speed, line segment glue dispensing and wire drawing parameters, line segment glue dispensing time parameters, single-point glue dispensing parameters, output signals during emergency stop, output signal initialization, idle glue dripping time, uniform debugging speed and a workpiece counter.
6. The automatic dispensing control method according to claim 1, wherein the simulating a dispensing path of a glue gun according to the plurality of types of dispensing parameters and the determining whether the dispensing path matches the predetermined dispensing path comprises:
when the first round of glue dispensing processing is started, controlling the glue gun to enter a constant speed mode according to various types of glue dispensing parameters, simulating a glue dispensing path, and judging whether the simulated glue dispensing path is overlapped with the preset glue dispensing path;
when the workpiece to be processed is not firstly subjected to the dispensing processing, if the workpiece to be processed is the same as the workpiece to be processed in the previous dispensing processing, the dispensing path is directly judged to be in accordance with the preset dispensing path.
7. The automatic glue-dispensing control method according to claim 5, wherein after controlling the glue gun to enter the working mode and dispensing according to the glue-dispensing path, the method further comprises:
judging whether the dispensing processing is finished or not;
if so, ending the current dispensing processing and controlling the glue gun to return to the initial position;
if not, the next round of dispensing processing is carried out.
8. The automatic dispensing control method according to claim 7, wherein said determining whether the dispensing process is finished comprises:
when the workpiece to be processed corresponding to the dispensing area is one piece, judging whether the glue gun is positioned at the end of the preset dispensing path; if so, finishing the dispensing processing, and controlling the glue gun to return to the initial position;
when the workpieces to be processed are multiple, judging whether the count value of the workpiece counter overflows a limit value; and if so, finishing the dispensing processing and controlling the glue gun to return to the initial position.
9. An automatic dispensing control system is characterized in that,
the first acquisition module is used for acquiring a dispensing area of a workpiece to be processed;
the first determining module is used for determining a preset dispensing path corresponding to the dispensing area;
the dispensing parameter setting module is used for setting various dispensing parameters according to the preset dispensing path;
the first judgment module is used for simulating a dispensing path of a glue gun according to the dispensing parameters of various types and judging whether the dispensing path accords with the preset dispensing path;
and the control module is used for controlling the glue gun to enter a working mode when the glue dispensing path accords with the preset glue dispensing path, and dispensing according to the glue dispensing path.
10. An automatic dispenser, comprising the automatic dispensing control system of claim 9.
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| CN202011534572.XA CN112718406A (en) | 2020-12-22 | 2020-12-22 | Automatic dispensing control method and system and automatic dispensing machine |
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Cited By (1)
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