CN101629318B - Control system of electroplating traveling crane and control method thereof - Google Patents
Control system of electroplating traveling crane and control method thereof Download PDFInfo
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Abstract
The invention relates to a control system of an electroplating traveling crane and control method thereof and provides a control system of the electroplating traveling crane. The control system comprises an on-line simulator, a site real-time controller, an electric actuating mechanism, the electroplating traveling crane and a detection device, wherein the input of the on-line simulator is the processing time and the processing procedure of workpieces, and the output of the on-line simulator is connected with the site real-time controller by a site bus; the output of the site real-time controller is connected to the electric actuating mechanism which drives the electroplating traveling crane, the detection device detects the time of the electroplating traveling crane reaching a determined electroplating station, and the time is fed back to the on-line simulator; and the on-line simulator uses the difference between the detected time of the electroplating traveling crane reaching the determined electroplating station and time set according to a technological procedure as the control input of the site real-time controller. The invention has the advantages that the problems of pole rod accumulation and hollow pole rods on an electroplating wire are overcame, the workpieces with different techniques can be processed simultaneously, and the automatization degree of the electroplating wire is enhanced.
Description
Technical field
The present invention relates to a kind of electroplating traveling crane Controlling System and control method thereof, the utmost point bar that specifically solves in the plating line driving is piled up and utmost point bar idle control device and control method thereof.
Background technology
At present, the electroplating traveling crane Controlling System adopts the sequential control mode more, and promptly electroplating traveling crane is pressed the electroplating technology setting-up time and set the operational path operation, and each moment electroplating traveling crane place electric bath groove all is a fixed.The manual operation meeting of electroplating traveling crane upsets original time sequence, causes electroplating traveling crane to carry out the delay of action, when the time error surpasses the scope that allows, just occurs the problem that utmost point bar is piled up easily; So-called utmost point bar is piled up and is referred in electric bath groove, each station can only be placed a utmost point bar, and when next station has workpiece, and workpiece arrived in the process period of current station, will produce the accumulation of utmost point bar if current utmost point bar is transferred to next station, be the catastrophe failure of production line.If current utmost point bar does not shift, workpiece will surpass the permission time that workpiece is processed in the time of electric bath groove, can have influence on the quality of processing work even processing work is scrapped.The last extension time that prolongs between workpiece can avoid heaping bar, but can reduce the production efficiency of electroplating processing.When the change of production technique or when processing different processing work, the utmost point bar number that needs on the plating line can be different, utmost point bar number on the plating line utmost point bar free time just occurs when counting more than the utmost point bar of needs, and what can influence processing work normally moves back extension, influences the production efficiency on the plating line.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of electroplating traveling crane Controlling System and control method thereof are provided, its utmost point bar that can solve electroplating traveling crane is preferably piled up and the utmost point bar free time, makes the production efficiency of electroplating assembly line the highest.
According to technical scheme provided by the invention, described electroplating traveling crane Controlling System comprises in-circuit emulator, on-the-spot real-time controller, electric operator, electroplating traveling crane and proofing unit; The process period that is input as workpiece and the processing process of described in-circuit emulator, the output of described in-circuit emulator links to each other with on-the-spot real-time controller by fieldbus; The output of described on-the-spot real-time controller is connected to electric operator, and described electric operator drives electric bicycle; Proofing unit detects electroplating traveling crane and arrives the time of determining to electroplate station, and feeds back to described in-circuit emulator; In-circuit emulator arrives detected electroplating traveling crane in the time of definite plating station and imports as the control of on-the-spot real-time controller according to the difference of technical process setting-up time.
Described electric operator comprises lifting motor, movable motor and step-down gear; Described lifting motor drives by chain and flies the target lifting; Described movable motor and step-down gear drive electroplating traveling crane and move along the plating tank guide rail.Described proofing unit is that one group of contact-free integrated circuits is near switch and zinc-plated signal plate, describedly be fixed on the electroplating traveling crane near switch, the fixed order that described zinc-plated signal plate adopts 2 scale codings each station over against position near switch, when electroplating traveling crane each station of walking, represent different station near the different combinations of pairs of switch and zinc-plated signal plate.
Described in-circuit emulator is an industrial computer.Described on-the-spot real-time controller is PLC or micro-chip.
Described electroplating traveling crane control method comprises the steps:
One, the resetting system time;
Two,, obtain first and hang workpiece, and begin to process the first extension workpiece, timing system time in the beginning and ending time of electroplating station processing according to processing process;
Three, judge the follow-up situation of hanging workpiece that goes up: when on not having subsequent workpiece, hanging, carry out the processing of workpiece, enter to unload until workpiece and hang the district, finish processing by technical process; When the follow-up workpiece of upward hanging is identical with the workpiece of processing, performing step four; When the follow-up workpiece of going up the workpiece of extension and processing is inequality, performing step seven;
Four, according to the process modeling in the in-circuit emulator, obtain just in the scope of processing work in beginning and ending time of electroplating station processing and electroplating traveling crane control, the prediction subsequent workpiece is hung the timed interval on beginning and ending time of electroplating station processing and workpiece, make the described processing beginning and ending time and on hang and can avoid taking place the accumulation of utmost point bar in the timed interval;
Five, in-circuit emulator is by bus, will electroplate to hang the timed interval on station processing beginning and ending time and the workpiece and write on-the-spot real-time controller, by the process period of on-the-spot real-time controller control workpiece at the plating station;
Six, on-the-spot real-time controller arrives the time of electroplating station according to workpiece in the driving of beginning and ending time of electroplating station processing and proofing unit detection, judge when workpiece enters next processing stations by technical process, whether with the concluding time overlaid of next station processing; If overlapping, prolong workpiece in the process period that requires undemanding plating station; If can not carry out described prolongation operation process period, on-the-spot real-time controller sends utmost point bar and piles up signal and point out the particular location that utmost point bar is piled up, wait for manual handling, and manually adjust the parameter of in-circuit emulator and on-the-spot real-time controller, make processing work that utmost point bar not take place and pile up, proceed the processing of workpiece; If not overlapping, the output driving electric operator by on-the-spot real-time controller makes electroplating traveling crane drive workpiece and walks by technical process, and performing step three;
Seven, according to the technical process of workpiece, in in-circuit emulator, set up the process modeling of new processing work and the utmost point bar number that this workpiece of calculating processing needs, be that the interior utmost point bar number of electric bath groove adds the utmost point bar number that each driving is sling, compare with existing utmost point bar sum on the production line; When the utmost point bar that needs more than the processing work complete processing when existing total utmost point bar number on the production line was counted, the on-the-spot real-time controller control driving utmost point bar of slinging was distinguished to unloading to hang, and lays down unnecessary utmost point bar; When the utmost point bar that is less than the product innovation needs when the utmost point bar sum on the production line was counted, on-the-spot real-time controller control electroplating traveling crane was to utmost point bar storage zone, the utmost point bar that also needs from described utmost point bar storage zone extraction processing work, and join on the plating line; When the utmost point bar number on the plating line satisfies the utmost point bar of product innovation needs, hang on the beginning product innovation; In-circuit emulator obtains first and hangs product innovation in the processing beginning and ending time of electroplating station according to process modeling and system time, hangs product innovation by technical process processing first, and performing step three.
Advantage of the present invention is: feed back the position by the detection of dynamic electroplating traveling crane, has overcome the problem of the accumulation of utmost point bar, empty utmost point bar on the plating line, can process the workpiece of different process simultaneously, has improved the level of automation of plating line.
Description of drawings
Fig. 1 is the structural representation of electroplating assembly line.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1, article one, plating line comprises: the both sides mounting guide rail 10 of a series of electric bath grooves 11, electroplating traveling crane 4 is along guide rail 10 walkings, described electroplating traveling crane 4 is provided with and promotes motor 6, movable motor 8, step-down gear 9, described lifting motor 6 drives the lifting that flies target 7 by chain, and described movable motor 8 and step-down gear 9 drive electroplating traveling crane 4 along track 10 walking in a horizontal state.Electroplating traveling crane 4 is provided with near switch 13, is provided with zinc-plated signal plate 12 on each processing stations of electric bath groove 11, described zinc-plated signal plate 12 and near 13 on the switch formation proofing unit that cooperatively interacts.
Described electroplating traveling crane 4 is done tangential movement along guide rail 10, is used for mobile processing work each station to electric bath groove 11.Fly to hang up workpiece to be processed on the target 7, promote motor 6 and drive the lifting that flies target by chain, fly target 7 and put into electric bath groove 11, carry out the plating processing of workpiece, after processing work is electroplated and is finished, electroplating traveling crane 4 liftings fly target 7 and leave electric bath groove 11, drive by movable motor 8 and step-down gear 9 and fly target 7 to appointed positions.Be provided with the different electroplate liquid of function in the electric bath groove 11, processing work is put into electric bath groove 11, and workpiece is electroplated processing.
Electroplating traveling crane Controlling System of the present invention comprises in-circuit emulator, on-the-spot real-time controller, electric operator, electroplating traveling crane 4 and proofing unit; The process period that is input as workpiece and the processing process of described in-circuit emulator, the output of described in-circuit emulator links to each other with on-the-spot real-time controller by fieldbus; The output of described on-the-spot real-time controller is connected to electric operator, and described electric operator drives electric bicycle 4; Proofing unit detects electroplating traveling crane and arrives the time of determining to electroplate station, and feeds back to described in-circuit emulator; Detected electroplating traveling crane is arrived the time of definite plating station to in-circuit emulator and the difference of predicted time is imported as the control of on-the-spot real-time controller.
Described electric operator is formed by promoting motor 6 and movable motor 8 and step-down gear 9, wherein promotes motor 6 and is the 2.2KW braking motor, and movable motor 8 is the 1.5KW braking motor, and step-down gear 9 is the aluminium alloy step-down gear.
Described proofing unit forms 12 by one group of contact-free integrated circuits near switch 13 and zinc-plated signal plate, when zinc-plated signal plate being arranged under near switch 13, is high level, during the no signal plate, is lower level.Be fixed in the driving near switch 13, the fixed order that zinc-plated signal plate 12 adopts 2 scale codings each station over against position near switch 11, when electroplating traveling crane 4 each station of walking, represent different station near the different combinations of pairs of switch 11 and zinc-plated signal plate 12.For example: this programme adopts 4, and 0001 represents station No. one near switch 11 definite each station, and 0010 represents station No. 2, analogizes 1111 and represents station No. 15.
In-circuit emulator is industrial computer or other monitoring and arithmetic facility, mainly is to realize on-line monitoring and calculation function.Be provided with the process modeling of processing work in the in-circuit emulator, comprise the details of workpiece processing such as workpiece work flow and processing request in the described process modeling.In-circuit emulator, calculates processing work and avoids taking place the upward extension timed interval of utmost point bar accumulation and the time range that processing work is processed at the plating station by sofeware simulation method according to process modeling, workpiece work flow and processing requirement.On-the-spot real-time controller is PLC, micro-chip or other controllers.In-circuit emulator and on-the-spot real-time controller communicate by fieldbus, and can revise the parameter of on-the-spot real-time controller.Be provided with the processing work information table in the on-the-spot real-time controller, when hanging on the processing work, on-the-spot real-time controller is being electroplated time and the processing process that station is processed by lookup table mode control processing work.In-circuit emulator is compared with the structure of proofing unit feedback according to the simulation calculating result, information such as time parameter are write on-the-spot real-time controller, on-the-spot real-time controller can dynamically be adjusted processing work in the time of electroplating station processing, and drives electric operator.
The electroplating traveling crane control method comprises the steps:
One, the resetting system time; During open system, make system since zero point, during the following process workpiece, add up process period successively, and in-circuit emulator and on-the-spot real-time controller dynamically read in system time;
Two,, obtain first and hang workpiece, and begin to process the first extension workpiece, timing system time in the beginning and ending time of electroplating station processing according to processing process;
Three, judge the follow-up situation of hanging workpiece that goes up: when on not having subsequent workpiece, hanging, carry out the processing of workpiece, enter to unload until workpiece and hang the district, finish processing by technical process; When the follow-up workpiece of upward hanging is identical with the workpiece of processing, performing step four; When the follow-up workpiece of going up the workpiece of extension and processing is inequality, performing step seven;
Four, according to the process modeling in the in-circuit emulator, obtain just in the scope of processing work in beginning and ending time of electroplating station processing and electroplating traveling crane 4 controls, the prediction subsequent workpiece is hung the timed interval on beginning and ending time of electroplating station processing and workpiece, make the described processing beginning and ending time and on hang and can avoid taking place the accumulation of utmost point bar in the timed interval;
Five, in-circuit emulator is by bus, will electroplate to hang the timed interval on station processing beginning and ending time and the workpiece and write on-the-spot real-time controller, by the process period of on-the-spot real-time controller control workpiece at the plating station;
Six, on-the-spot real-time controller arrives the time of electroplating station according to workpiece in the driving of beginning and ending time of electroplating station processing and proofing unit detection, judge when workpiece enters next processing stations by technical process, whether with the concluding time overlaid of next station processing; If overlapping, prolong workpiece in the process period that requires undemanding plating station; If can not carry out described prolongation operation process period, on-the-spot real-time controller sends utmost point bar and piles up signal and point out the particular location that utmost point bar is piled up, wait for manual handling, and manually adjust the parameter of in-circuit emulator and on-the-spot real-time controller, make processing work that utmost point bar not take place and pile up, proceed the processing of workpiece; If not overlapping, the output driving electric operator by on-the-spot real-time controller makes electroplating traveling crane 4 drive workpiece and walks by technical process, and performing step three;
Seven, according to the technical process of workpiece, in in-circuit emulator, set up the process modeling of new processing work and the utmost point bar number that this workpiece of calculating processing needs, be that the interior utmost point bar number of electric bath groove adds the utmost point bar number that each driving is sling, compare with existing utmost point bar sum on the production line; When the utmost point bar that needs more than the processing work complete processing when existing total utmost point bar number on the production line was counted, the on-the-spot real-time controller control driving utmost point bar of slinging was distinguished to unloading to hang, and lays down unnecessary utmost point bar; When the utmost point bar that is less than the product innovation needs when the utmost point bar sum on the production line was counted, on-the-spot real-time controller control electroplating traveling crane 4 extracted the utmost point bar that processing work also needs, and joins on the plating line to utmost point bar storage zone from described utmost point bar storage zone; When the utmost point bar number on the plating line satisfies the utmost point bar of product innovation needs, hang on the beginning product innovation; In-circuit emulator obtains first and hangs product innovation in the processing beginning and ending time of electroplating station according to process modeling and system time, hangs product innovation by technical process processing first, and performing step three.
Claims (4)
1. electroplating traveling crane Controlling System, comprise in-circuit emulator, on-the-spot real-time controller, electric operator, electroplating traveling crane (4) and proofing unit, it is characterized in that: the process period that is input as workpiece and the processing process of described in-circuit emulator, the output of described in-circuit emulator links to each other with on-the-spot real-time controller by fieldbus; The output of described on-the-spot real-time controller is connected to electric operator, and described electric operator drives electroplating traveling crane (4); Proofing unit detects electroplating traveling crane (4) and arrives the time of determining to electroplate station, and feeds back to described in-circuit emulator; In-circuit emulator arrives detected electroplating traveling crane poor with according to the technical process setting-up time of time of determining to electroplate station, as the control input of on-the-spot real-time controller;
Described electric operator comprises lifting motor (6), movable motor (8) and step-down gear (9); Described lifting motor (6) drives by chain and flies target (7) lifting; Described movable motor (8) and step-down gear (9) drive electroplating traveling crane (4) and move along plating tank guide rail (10);
Described proofing unit is that one group of contact-free integrated circuits is near switch (13) and zinc-plated signal plate (12), describedly be fixed on the electroplating traveling crane (4) near switch (13), the fixed order that described zinc-plated signal plate (12) adopts 2 scale codings each station over against position near switch (13), when electroplating traveling crane (4) each station of walking, represent different station with the different combinations of pairs of zinc-plated signal plate (12) near switch (13).
2. electroplating traveling crane Controlling System as claimed in claim 1 is characterized in that: described in-circuit emulator is an industrial computer.
3. electroplating traveling crane Controlling System as claimed in claim 1 is characterized in that: described on-the-spot real-time controller is PLC or micro-chip.
4. an electroplating traveling crane control method is characterized in that described control method comprises the steps:
One, the resetting system time;
Two,, obtain first and hang workpiece, and begin to process the first extension workpiece, timing system time in the beginning and ending time of electroplating station processing according to processing process;
Three, judge the follow-up situation of hanging workpiece that goes up: when on not having subsequent workpiece, hanging, carry out the processing of workpiece, enter to unload until workpiece and hang the district, finish processing by technical process; When the follow-up workpiece of upward hanging is identical with the workpiece of processing, performing step four; When the follow-up workpiece of going up the workpiece of extension and processing is inequality, performing step seven;
Four, according to the process modeling in the in-circuit emulator, obtain just in the scope of processing work in beginning and ending time of electroplating station processing and electroplating traveling crane (4) control, the prediction subsequent workpiece is hung the timed interval on beginning and ending time of electroplating station processing and workpiece, make the described processing beginning and ending time and on hang and can avoid taking place the accumulation of utmost point bar in the timed interval;
Five, in-circuit emulator is by bus, will electroplate to hang the timed interval on station processing beginning and ending time and the workpiece and write on-the-spot real-time controller, by the process period of on-the-spot real-time controller control workpiece at the plating station;
Six, on-the-spot real-time controller arrives the time of electroplating station according to workpiece in the driving of beginning and ending time of electroplating station processing and proofing unit detection, judge when workpiece enters next processing stations by technical process, whether with the concluding time overlaid of next station processing; If overlapping, prolong workpiece in the process period that requires undemanding plating station; If can not carry out described prolongation operation process period, on-the-spot real-time controller sends utmost point bar and piles up signal and point out the particular location that utmost point bar is piled up, wait for manual handling, and manually adjust the parameter of in-circuit emulator and on-the-spot real-time controller, make processing work that utmost point bar not take place and pile up, proceed the processing of workpiece; If not overlapping, by the output driving electric operator of on-the-spot real-time controller, make electroplating traveling crane (4) drive workpiece by the technical process walking, and performing step three;
Seven, according to the technical process of subsequent workpiece, in in-circuit emulator, set up the process modeling of new processing work and the utmost point bar number that this workpiece of calculating processing needs, be that the interior utmost point bar number of electric bath groove adds the utmost point bar number that each driving is sling, compare with existing utmost point bar sum on the production line; When the utmost point bar that needs more than the processing work complete processing when existing total utmost point bar number on the production line was counted, the on-the-spot real-time controller control driving utmost point bar of slinging was distinguished to unloading to hang, and lays down unnecessary utmost point bar; When the utmost point bar that is less than the product innovation needs when the utmost point bar sum on the production line was counted, on-the-spot real-time controller control electroplating traveling crane (4) extracted the utmost point bar that processing work also needs, and joins on the plating line to utmost point bar storage zone from described utmost point bar storage zone; When the utmost point bar number on the plating line satisfies the workpiece needs, begin to hang on the new workpiece; In-circuit emulator obtains first and hangs new workpiece in the processing beginning and ending time of electroplating station according to process modeling and system time, hangs new workpiece by technical process processing first, and performing step three.
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| CN2009100348610A CN101629318B (en) | 2009-08-26 | 2009-08-26 | Control system of electroplating traveling crane and control method thereof |
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| CN2009100348610A CN101629318B (en) | 2009-08-26 | 2009-08-26 | Control system of electroplating traveling crane and control method thereof |
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| CN101629318B true CN101629318B (en) | 2010-08-25 |
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Assignee: SWELL MARUI (GUANGZHOU) AUTOMOBILE PARTS Co.,Ltd. Assignor: Jiangnan University Contract record no.: 2011320010054 Denomination of invention: Control system of electroplating traveling crane and control method thereof Granted publication date: 20100825 License type: Exclusive License Open date: 20100120 Record date: 20110524 |
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