CN110703634A - Control device, machining control method, and readable storage medium - Google Patents
Control device, machining control method, and readable storage medium Download PDFInfo
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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Abstract
The invention provides a control device applied to a processing control system, wherein the processing control system comprises a first processing device and a second processing device, the first processing device and the second processing device are used for processing workpieces, and the control device comprises: an information receiving unit, configured to receive first information, second information, third information, and fourth information, where the first information and the third information are used to associate the workpiece, the second information is processing information of the first processing device, and the fourth information is processing information of the second processing device; and the control unit is used for establishing the incidence relation of the second information and the fourth information according to the first information and the third information and controlling the second processing equipment to operate the associated workpiece according to the second information, the fourth information and a preset condition. The invention also provides a processing control method and a readable storage medium.
Description
Technical Field
The present invention relates to the field of workshop processing, and in particular, to a control device applied to a processing control system, a processing control method applied to the control device, and a readable storage medium.
Background
In the prior art, one product processing flow usually involves a plurality of processing nodes. On the one hand, in the product processing process, if the processing of a certain node in a plurality of processing nodes is not satisfactory, the product can be continuously input into the processing of the next node, so that the waste of raw materials and working hours is caused. On the other hand, after the product is processed, the product is required to be subjected to quality test, and the qualified product can be put into subsequent use. In the process of testing the quality of a product, if the product is found to have a quality problem, since the product passes through a plurality of processing nodes, it is difficult to determine which processing node causes the quality problem, so that the quality problem is difficult to solve.
Disclosure of Invention
One aspect of the present invention provides a control device applied to a processing control system, where the processing control system includes a first processing device and a second processing device, and the first processing device and the second processing device are used for processing a workpiece, and the control device includes:
an information receiving unit, configured to receive first information, second information, third information, and fourth information, where the first information and the third information are used to associate the workpiece, the second information is processing information of the first processing device, and the fourth information is processing information of the second processing device; and
and the control unit is used for establishing the association relationship between the second information and the fourth information according to the first information and the third information, and controlling the second processing equipment to operate the associated workpiece according to the second information, the fourth information and a preset condition.
Another aspect of the present invention provides a machining control method applied to a control device applied to a machining control system including first and second machining apparatuses for machining a workpiece, the machining control method including the steps of:
acquiring first information and second information, wherein the first information is used for associating the workpiece, and the second information is processing information of the first processing equipment;
acquiring third information and fourth information, wherein the third information is used for associating the workpiece, and the fourth information is processing information of the second processing equipment;
establishing an incidence relation between the second information and the fourth information according to the first information and the third information;
and controlling the second processing equipment to operate the associated workpiece according to the second information, the fourth information and a preset condition.
Another aspect of the present invention provides a readable storage medium having stored thereon a program or instructions which, when executed by a control apparatus for use in a process control system, causes the control apparatus for use in a process control system to implement the method as described above.
The control device provided by the embodiment of the invention is applied to a processing control system, the processing control system comprises a first processing device and a second processing device which are used for processing a workpiece, and the control device receives first information, second information, third information and fourth information through an information receiving unit, wherein the first information and the third information are used for associating the workpiece, the second information is processing information of the first processing device, and the fourth information is processing information of the second processing device. Therefore, the control device can establish the association relationship between the second information and the fourth information according to the first information and the third information through the control unit, and control the second processing equipment to operate the associated workpiece according to the second information, the fourth information and the preset condition. The control device tracks and monitors the processing information of the workpiece at the first processing equipment and the second processing equipment, screens the workpiece needing to be processed by setting preset conditions, and is favorable for improving the processing yield.
Drawings
Fig. 1 is a schematic block diagram of a process control system according to this embodiment.
Fig. 2 is a schematic block diagram of a processing control system and a control device according to this embodiment.
Fig. 3 is a schematic flow chart of the processing control method provided in this embodiment.
Fig. 4 is a detailed flowchart of step S4 in the figure.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1, a processing control system 10 provided in the present embodiment includes a first processing device 11 and a second processing device 12. The first processing device 11 and the second processing device 12 are used for processing the workpiece 20, and the first processing device 11 and the second processing device 12 may be devices such as a bonding machine, a dispensing machine, a polishing machine, and the like. In the present embodiment, the first processing device 11 and the second processing device 12 are two different processing nodes for processing the same workpiece 20; that is, when the workpiece 20 is initially machined, the workpiece 20 is first machined by the first machining device 11, and after the first machining device 11 completes the machining operation, the workpiece 20 is then machined by the second machining device 12. In other embodiments, the processing control system 10 may include other numbers of processing devices, and the number of processing devices is not limited, and in this embodiment, the processing control system 10 includes two processing devices (the first processing device 11 and the second processing device 12) as an example for illustration.
Referring to fig. 2, the control device 30 provided in the present embodiment is applied to the processing control system 10. The control device 30 includes an information receiving unit 31 and a control unit 32, wherein:
an information receiving unit 31 configured to receive first information, second information, third information, and fourth information, where the first information and the third information are used to associate the workpiece 20, the second information is processing information of the first processing device 11, and the fourth information is processing information of the second processing device 12; and
and a control unit 32, configured to establish an association relationship between the second information and the fourth information according to the first information and the third information, and control the second processing device 12 to operate on the associated workpiece 20 according to the second information, the fourth information, and a preset condition.
In this embodiment, in order to keep the workpiece 20 stable at a certain angle or in a certain state during the processing of the workpiece 20, the tool 13 for fixing the workpiece 20 is generally adopted, that is, the processing control system 10 provided in this embodiment further includes the tool 13. In this embodiment, the first information and the third information may be first identification information or second identification information, wherein the first identification information is used for identifying the workpiece 20, and the second identification information is used for identifying the tool 13 for fixing the workpiece 20.
In this embodiment, the workpiece 20 is provided with a first mark 41, and the first mark 41 is used for marking the workpiece 20 where the first mark is located; the tool 13 for holding the workpiece 20 is provided with a second mark 42, and the second mark 42 is used for identifying the tool 13 where the second mark is located. The first mark 41 carries the first identification information, the first identification information carried by the first mark 41 corresponds to the workpiece 20 where the first mark 41 is located, and the first identification information at least includes number information of the workpiece 20, in this embodiment, the number information is a serial number for identifying the workpiece 20 and giving it; similar to the first mark 41, the second mark 42 carries the second identification information, the first identification information carried by the second mark 42 corresponds to the tool 13 where the second mark 42 is located, the first identification information at least includes number information of the tool 13, and in this embodiment, the number information is a serial number assigned to the tool 13 for identifying the tool 13.
In the present embodiment, the first mark 41 and the second mark 42 are two-dimensional graphic marks, and may be, for example, a two-dimensional code, a barcode, or the like. The first mark 41 may be provided on the workpiece 20 by being attached or sprayed, and the second mark 42 may be provided on the tool 13 by being attached or sprayed. It should be understood that in other embodiments, the first mark 41 and the second mark 42 may be other types of marks, such as 3D-shaped marks, that is, only one first mark 41 is used for uniquely identifying a workpiece 20 and one second mark 42 is used for uniquely identifying a tool 13; in other embodiments, the first identification information may further include information other than the number information of the workpiece 20, such as material information, model information, manufacturer information, etc. of the workpiece 20, and the second mark 42 may further include type information, parameter setting information, manufacturer information, etc. of the tool 13.
When the workpiece 20 is fixed (e.g., clamped, sucked, etc.) by the tool 13 for fixing during the machining process, the first mark 41 on the workpiece 20 may be blocked and may not be exposed due to the angle at which the workpiece 20 is currently fixed, and at this time, the information receiving unit 31 may not receive the first identification information, and then receive the second identification information according to the second mark 42 on the tool 13 for fixing the workpiece 20. It should be understood that in other embodiments, the tool 13 may not be used to secure the workpiece 20.
In this embodiment, the workpiece 20 is fixed by different tools 13 at the first processing device 11 and the second processing device 12, and the processing operations of the workpiece 20 at the first processing device 11 and the second processing device 12 are also different, so that the angle, the state, and the like of the workpiece 20 when fixed at the first processing device 11 and the second processing device 12 may be different, and there may be a case where the first identification information carried by the first mark 41 is available at one of the processing devices, and the first identification information carried by the first mark 41 is unavailable at the other processing device, and therefore the type of information received by the information receiving unit 31 of the control device 30 may be as follows:
type one, first identification information is received at both the first processing device 11 and the second processing device 12; or
Type two, the second identification information is received at both the first processing device 11 and the second processing device 12; or
Type three, the first identification information is received at the first processing device 11, and the second identification information is received at the second processing device 12; or
Type four, the first identification information is received at the second processing device 12, and the second identification information is received at the first processing device 11.
In the present embodiment, in the case of the above-described type three and type four, the first identification information carried by the first mark 41 is acquirable at one of the processing apparatuses, and the first identification information carried by the first mark 41 is not acquirable at the other processing apparatus, and only the second identification information of the second mark 42 on the tool 13 for fixing the workpiece 20 at the processing apparatus is acquirable, then the second identification information acquired at this time is uniquely associated with the first identification information and the association is stored. Therefore, if the first identification information cannot be directly acquired subsequently, the first identification information can be acquired according to the unique association relationship between the second identification information and the first identification information by acquiring the second identification information.
In another embodiment, the unique association relationship between the first identification information carried by the first mark 41 on the workpiece 20 and the second identification information carried by the second mark 42 on the tool 13 for fixing the workpiece 20 may be pre-stored in the control device 30, and is not established during the processing of the workpiece 20.
It should be understood that in practical applications, the number of workpieces 20 to be machined is usually large, and a tool 13 may be used to fix a plurality of workpieces 20 in sequence, so that the tool 13 may correspond to a plurality of workpieces 20. In a certain processing procedure, the second identification information corresponding to a tool 13 is bound with the first identification information corresponding to a workpiece 20 fixed by the tool, after the workpiece 20 is processed at the current processing node, the second identification information corresponding to the tool 13 is unbound with the first identification information corresponding to the workpiece 20, and when another workpiece 20 is fixed by the tool 13, the second identification information corresponding to the tool 13 is bound with the first identification information corresponding to another workpiece 20 fixed by the tool, and in the above mode, the binding mode in the processing procedure is usually adopted, and the pre-stored association relationship mode is less adopted.
In this embodiment, the second information is processing information of the first processing device 11, and the fourth information is processing information of the second processing device 12. The processing information includes, but is not limited to, processing time, processing conditions (temperature, parameters), and the like.
Hereinafter, a description will be given of a workflow when the control device 30 according to the present embodiment is applied to the machining control system 10. Referring to fig. 3, the present embodiment further provides a processing control method applied to the control device 30, where the processing control method includes the following steps:
step S1, acquiring first information and second information, where the first information is used to associate the workpiece, and the second information is processing information of the first processing device;
step S2, acquiring third information and fourth information, where the third information is used to associate the workpiece, and the fourth information is processing information of the second processing device;
step S3, establishing an association relationship between the second information and the fourth information according to the first information and the third information;
and step S4, controlling the operation of the second processing equipment on the associated workpiece according to the second information, the fourth information and preset conditions.
Referring to fig. 2 and 3, a workpiece 20 to be manufactured into a complete product usually needs to go through a complete process flow including a plurality of processing nodes, and taking the process control system 10 provided in the present embodiment as an example, each workpiece 20 needs to go through the first processing equipment 11 and the second processing equipment 12 in sequence, and each processing equipment 1 is regarded as a processing node.
In step S1, the workpiece 20 is located at the node of the first processing device 11, the first information can be received through the first mark 41 on the workpiece 20, and the second information during the processing of the workpiece 20 by the first processing device 11 can be obtained; after the workpiece 20 is machined at the node of the first machining device 11, it is transferred to the second machining device 12, and in step S2, similarly to step S1, the workpiece 20 is located at the node of the second machining device 12, the third information is received through the second mark 42 on the workpiece 20, and the fourth information during machining by the second machining device 12 is acquired when the workpiece 20 is machined by the second machining device 12.
In this embodiment, the first information and the third information are both the first identification information for identifying the workpiece 20 or the second identification information for identifying the tool 13, and the second identification information is uniquely associated with the first identification information, so that the second identification information is also equivalent to the identification information for identifying the workpiece 20, i.e. the first information and the third information are both used for identifying the workpiece 20. It should be understood that the above-mentioned "unique association" means that the unique association is maintained for a preset time period, and does not mean that a certain first identification information can only be associated with a certain second identification information all the time. Specifically, in general, the above-mentioned "unique association" means that the unique association is maintained for a processing time period at a certain processing node. After the time period is over, the association can be released and a new "unique association" can be reestablished.
Since the first information and the third information are both used to identify the workpiece 20, a workpiece 20 can be uniquely determined according to the first information and the third information, in step S3, the workpiece 20 is uniquely determined according to the first information and the third information, and all the processing information for the workpiece 20 is associated, in this embodiment, the processing information corresponding to the workpiece 20 includes the second information received at the first processing device 11 and the fourth information received at the second processing device 12, that is, in step S3, the association relationship between the second information and the fourth information is established according to the first information and the third information.
Referring to fig. 4, in the present embodiment, the step S4 specifically includes:
step S41, obtaining a processing interval duration according to the first processing time and the second processing time;
step S42, judging whether the processing interval duration meets the preset condition;
and step S43, if the preset conditions are met, controlling the second processing equipment to process the workpiece.
Step S441, if it is determined that the preset condition is not met, controlling the second processing device to return the workpiece to a previous processing node; and/or
Step S442, retrieving the second information and the fourth information of the workpiece, and analyzing the reason why the workpiece does not meet the preset condition.
Referring to fig. 2 and fig. 4, in the present embodiment, the workpiece 20 is processed by the first processing device 11 and then processed by the second processing device 12, however, after the first processing device 11 is processed, before the second processing device 12 is processed, it is required to determine whether the workpiece 20 processed by the first processing device 11 meets the preset condition, and only when the preset condition is met, the second processing device 12 performs the processing operation on the workpiece 20. In this embodiment, the first processing device 11 is a dispensing device, the second processing device 12 is a bonding device, the second information includes a first processing time when dispensing starts of the first processing device 11, and the fourth information includes a second processing time when the workpiece 20 reaches the second processing device 12 after dispensing is completed by the first processing device 11; since the adhesiveness of the glue is affected if the glue is exposed to the air for too long after the dispensing of the workpiece 20, the preset condition is set as to whether the processing interval between the first processing device 11 and the second processing device 12 is within a preset range, for example, less than 4 hours.
Therefore, in step S41, the first and second machining times are acquired, and the machining interval duration (the difference between the first and second machining times) between the first and second machining facilities 11 and 12 is calculated and obtained based on the first and second machining times. In step S42, it is determined whether or not the machining interval duration calculated in step S41 is less than 4 hours.
If yes, the process proceeds to step S43, where the second machining facility 12 performs a subsequent machining operation on the workpiece 20.
In an embodiment, if it is determined not to be yes, the step S441 is executed;
in another embodiment, if it is determined not, the step S442 is executed;
in another embodiment, if the determination is negative, the steps S441 and S442 are executed.
In step S43, if it is determined that the workpiece 20 machined by the first machining device 11 does not meet the preset condition, there are two cases:
the first condition is as follows: the processing can be carried out again to make the processing meet the preset conditions; or
Case two: permanent damage to the workpiece 20 has occurred and reuse is no longer possible.
In the first case, the workpiece 20 may be returned to the previous machining node, i.e. the node where the first machining device 11 is located in the present embodiment, for re-machining. As described above, in the present embodiment, the previous processing node is returned to the previous processing device; in other embodiments, multiple processing operations may be performed at the same processing tool, and returning to a previous processing node may also be returning to a previous processing operation node in the same processing tool.
Further, in case one, the second information and the fourth information of the workpiece 20 may be retrieved, and the reason why the workpiece 20 does not meet the preset condition may be analyzed. The analysis result can be stored so as to be improved in a targeted manner, and updating of the processing technology is facilitated.
In case two, the workpiece 20 is no longer returned to the previous processing node, and only the reason why the workpiece 20 does not meet the preset condition is analyzed.
The control device 30 provided in this embodiment is applied to a processing control system 10, the processing control system 10 includes a first processing device 11 and a second processing device 12 for processing a workpiece 20, and the control device 30 receives first information, second information, third information and fourth information through an information receiving unit 31, where the first information and the third information are used for associating the workpiece 20, the second information is processing information of the first processing device 11, and the fourth information is processing information of the second processing device 12. Therefore, the control device 30 can establish the association relationship between the second information and the fourth information according to the first information and the third information through the control unit 32, and control the operation of the second processing device 12 on the associated workpiece 20 according to the second information, the fourth information and the preset condition. The control device 30 tracks and monitors the processing information of the workpiece 20 at the first processing device 11 and the second processing device 12, and performs condition screening on the workpiece 20 to be processed by setting preset conditions, which is beneficial to improving the processing yield; moreover, before the second processing equipment 12 processes, the second processing equipment 12 processes the workpiece 20 meeting the conditions in advance by performing memorable screening, so that the processing flow is saved, and the processing efficiency is improved; further, by establishing the corresponding relationship between the workpiece 20 and the first information, the second information, the third information, and the fourth information, the information can be retrieved at any time to analyze the cause of the defective product, which is beneficial to specifically solving the problem.
The present embodiment also provides a readable storage medium, which stores a program or instructions, and the readable storage medium is applied to the control device 30, and when the program or instructions are executed by the control device 30, the control device 30 can implement any of the method steps described above. The readable storage medium may be any entity or device capable of carrying the computer program code, a recording medium, a computer Memory, a Read-only Memory (ROM), a Random Access Memory (RAM), etc.
It will be appreciated by those skilled in the art that the above embodiments are illustrative only and not intended to be limiting, and that suitable modifications and variations may be made to the above embodiments without departing from the true spirit and scope of the invention.
Claims (10)
1. A control device applied to a machining control system including a first machining apparatus and a second machining apparatus for machining a workpiece, the control device comprising:
an information receiving unit, configured to receive first information, second information, third information, and fourth information, where the first information and the third information are used to associate the workpiece, the second information is processing information of the first processing device, and the fourth information is processing information of the second processing device; and
and the control unit is used for establishing the association relationship between the second information and the fourth information according to the first information and the third information, and controlling the second processing equipment to operate the associated workpiece according to the second information, the fourth information and a preset condition.
2. The control device applied to a machining control system according to claim 1, wherein the first information is first identification information or second identification information, the third information is the first identification information or the second identification information, the first identification information is used to identify the workpiece, the second identification information is used to identify a tool for fixing the workpiece, and the information receiving unit is further used to receive at least one of the first identification information and the second identification information.
3. The control device applied to a processing control system as set forth in claim 2, wherein when the information receiving unit receives the first identification information and the second identification information, the control unit is further configured to establish an association relationship between the first identification information and the second identification information.
4. The control device applied to the processing control system as claimed in claim 1, wherein the second information includes a first processing time of the first processing device, the fourth information includes a second processing time of the second processing device, the control unit is configured to obtain a processing interval duration according to the first processing time and the second processing time, determine whether the processing interval duration meets the preset condition, and control the second processing device to perform a processing operation on the workpiece if the processing interval duration meets the preset condition.
5. The control device as claimed in claim 4, wherein if the predetermined condition is not met, the control unit is configured to perform at least one of the following two steps:
controlling the second processing equipment to return the workpiece to the last processing node; and
and calling the second information and the fourth information of the workpiece, and analyzing the reason why the workpiece does not meet the preset condition.
6. A machining control method applied to a control device applied to a machining control system including first and second machining apparatuses for machining a workpiece, comprising the steps of:
acquiring first information and second information, wherein the first information is used for associating the workpiece, and the second information is processing information of the first processing equipment;
acquiring third information and fourth information, wherein the third information is used for associating the workpiece, and the fourth information is processing information of the second processing equipment;
establishing an incidence relation between the second information and the fourth information according to the first information and the third information;
and controlling the second processing equipment to operate the associated workpiece according to the second information, the fourth information and a preset condition.
7. The machining control method according to claim 6, wherein the first information is first identification information for identifying the workpiece or second identification information for identifying a tool for fixing the workpiece, and the third information is the first identification information or the second identification information, the machining control method further comprising the steps of:
acquiring the first identification information;
acquiring the second identification information;
and establishing an incidence relation between the first identification information and the second identification information.
8. The machining control method according to claim 7, wherein the second information is a first machining time of the first machining device, the fourth information is a second machining time of the second machining device, and the step of controlling the operation of the second machining device on the associated workpiece according to the second information, the fourth information, and a preset condition includes:
obtaining a processing interval duration according to the first processing time and the second processing time;
judging whether the processing interval duration meets the preset condition or not;
and if the preset conditions are met, controlling the second processing equipment to process the workpiece.
9. The machining control method according to claim 8, further comprising at least one of the following steps if it is determined that the preset condition is not met:
controlling the second processing equipment to return the processed piece to the upper processing node; and
and calling the second information and the fourth information of the workpiece, and analyzing the reason why the workpiece does not meet the preset condition.
10. A readable storage medium having stored thereon a program or instructions which, when executed by a control device for use in a process control system, causes the control device for use in a process control system to carry out the method of any one of claims 6-9.
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