CN111708336A - Process control method for automatic production - Google Patents
Process control method for automatic production Download PDFInfo
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- CN111708336A CN111708336A CN202010495962.4A CN202010495962A CN111708336A CN 111708336 A CN111708336 A CN 111708336A CN 202010495962 A CN202010495962 A CN 202010495962A CN 111708336 A CN111708336 A CN 111708336A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 199
- 238000000034 method Methods 0.000 title claims abstract description 108
- 238000004886 process control Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 claims description 90
- 238000012163 sequencing technique Methods 0.000 claims description 9
- 239000000047 product Substances 0.000 description 31
- 239000002994 raw material Substances 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- 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
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41835—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by programme execution
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a process control method for automatic production, which comprises the steps of firstly determining a specific production process flow, subdividing the production process flow into production steps for product processing, sequentially connecting the production steps in series according to a production sequence, wherein each production step comprises a plurality of control instructions, associating each control instruction with equipment, calling the associated equipment by the control instructions to execute production operation in each production step, and further realizing the execution of the whole production process flow. The production process flow is subdivided into specific processing production steps, the production steps are sequenced and linked to form the whole production flow of the product, the product can be sequentially executed according to the production steps in the production process, the production of the product is realized, each production step is subdivided into a set of control instructions, the control instructions are associated with equipment, the equipment completes the production operation of each production step according to the control instructions, and the execution of the whole production flow is further realized.
Description
Technical Field
The invention belongs to the technical field of industrial production control, and particularly relates to a process control method for automatic production.
Background
At present, among the prior art, the enterprise is carrying out the production process, generally produces according to the plan, but in the production process, needs enterprise's staff to monitor the production process constantly to produce in contrast plan made in advance, because artifical control, can lead to the inaccuracy of production process control, thereby can not produce according to the plan, in addition, production control needs professional's control, this difficulty of bringing for the control of production process.
In a patent with the patent number of 'CN 204270113U' and the name of 'PLC-based automatic spraying production system', an automatic spraying production system based on PLC control is disclosed, which comprises a monitoring center, a PLC control unit and a process flow, wherein the monitoring center is connected with the PLC control unit through a field bus, the PLC control unit is connected with the process flow through a control cable, and the process flow comprises the steps of loading, drying, dedusting, spraying, solidifying, cooling and unloading; the process flow is connected with one end of a feedback device through a control cable, and the other end of the feedback device is connected with the PLC control unit through the control cable. The utility model discloses an useful part lies in: simple structure, convenient operation, intelligent control, real time monitoring, convenient management improves work efficiency, in time feeds back the production process through feedback device, avoids process flow repetitive work to appear, is fit for small batch spraying production system.
In the above patents, the production line realizes the automatic production of products according to the procedures of the process flow, but in the above patents, the process of the product process flow is relatively fixed, and the transportability according to the actual production requirement is relatively poor, so that the production process flow of various products cannot be well adapted.
Disclosure of Invention
In order to solve the above problems, a primary object of the present invention is to provide a process control method for automated manufacturing, which can specifically set up corresponding manufacturing process flows according to different requirements of different orders, thereby completing the process combination and sequencing of automated manufacturing.
Another object of the present invention is to provide a process control method for automated manufacturing, which decomposes steps in the manufacturing process into specific manufacturing control commands and associates the control commands with devices, each of which performs manufacturing of the steps according to the manufacturing control commands.
The applicant finds that a production process is a process flow, but the process flow can be subdivided into a plurality of process paths, each process path comprises a plurality of steps, each step comprises a plurality of control instructions, all the process flows, the process paths, the steps and the control instructions of the production process are connected and systematized to realize the automatic operation and control of a background control center on front-end equipment, the control of the control center on the equipment can be completed, the production process is automatically completed by the equipment without human intervention or intervention of other equipment, and the automatic production is really realized. Meanwhile, the product production process flow is subdivided into specific steps and control instructions, the installation steps and the control instructions are used for sequencing production in sequence, and the sequencing and the serial connection are carried out to form a complete production flow of product production.
In order to achieve the above object, the technical solution of the present invention is as follows.
A process control method for automatic production is characterized in that a specific production process flow is determined firstly, then the production process flow is subdivided into a plurality of control instructions, the control instructions are sequentially sequenced according to a production sequence, each control instruction is associated with equipment, the control instructions call the associated equipment to execute production operation, and then the execution of the whole production process flow is realized. Subdividing the production process flow into the minimum execution unit in the production and processing process: the control instructions subdivide the production steps in each production process into sets of the control instructions, and then sequence and link a plurality of control instructions to form the whole production flow of the product, so that the product can be sequentially executed according to the control instructions in the production process, the whole production process flow is connected in series, equipment can complete the production operation of the production steps according to the control instructions, and the execution of the whole production flow is further realized.
Further, the method subdivides the production process flow according to the hierarchy of process paths, production steps and control instructions, wherein each process flow is subdivided into a plurality of process paths, each process path comprises a plurality of production steps, and each production step comprises a plurality of control instructions; and establishing association between the control command and the production steps, the process paths and the process flows, and sequencing.
Further, the steps of associating and sequencing the process path and the production steps are as follows:
s21: the production process flow is subdivided into various process paths, and the process paths are sequenced in production;
s22: and continuously subdividing the sorted process paths, wherein each process path comprises more than one production step, and the production steps are connected aiming at each process path to form the production process flow of the whole product after connection. Specifically, the production process flow is subdivided into process paths, each process path corresponds to a part of independent functions of production, each process path is subdivided into specific processing and production steps after the process paths are sequenced, and the production steps of each process path are sequenced to form the flow of the whole product production process. After the process paths are subdivided, the production function of the product corresponding to each process path can be independently executed, so that the product has the function of independently executing any process path.
Further, each device has an independent control program, and the variable name of the control program controls the device to execute production operation. The variable name in the control program of each device is used for controlling the device to complete specific production operation, and after the variable name of the control program is changed, the production operation executed by the device is correspondingly changed.
Further, the control instruction corresponds to a variable name in the control program of each device, the control instruction of each production step is bound with the corresponding device, and after the variable name of the control program of the device obtains the control instruction, the production operation of the production step is executed. The control instruction corresponds to a variable name in a control program of the equipment, and after the control instruction is bound with the equipment and the equipment acquires a control instruction signal, the variable name in the control program acquires the corresponding control instruction to drive the equipment to execute production operation. The process divides the production process flow into process paths, subdivides the process paths into specific processing and production steps, corresponds the production steps with control instructions, and after the control instructions are associated with equipment, the equipment acquires the control instructions to execute production operation.
Furthermore, the control instruction includes an end condition of the production step, and after the control program of the device obtains the control instruction corresponding to the end condition, the execution of the production step is ended.
The invention subdivides the production process flow of the product into independent process paths, each process path is further subdivided into specific processing and production steps after being sequenced, the production steps are sequenced and linked under each process path to form the production flow of the whole product, in the production process, the sequential execution of each processing and production step of the product can be realized according to the production flow, in addition, each production step corresponds to a control instruction, equipment related to the control instruction is driven by the specific control instruction in each production step to complete production and processing of each production step, after the production steps are sequentially connected in series, the control instruction is issued, the execution of the whole production process flow of the product can be realized, and in addition, each process path is an independent production module, so that each process path has the independent execution capacity.
Drawings
FIG. 1 is a schematic representation of the BOM interface of the product process of the present invention.
FIG. 2 is a flow chart of the production process control of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown with reference to figures 1 and 2,
a process control method for automatic production includes confirming specific production process flow, subdividing production process flow into multiple control commands, sequencing multiple control commands in sequence according to production sequence, associating each control command with equipment, calling associated equipment by control command to execute production operation and further realizing execution of whole production process flow. Subdividing the production process flow into the minimum execution unit in the production and processing process: the control instructions subdivide the production steps in each production process into sets of the control instructions, and then sequence and link a plurality of control instructions to form the whole production flow of the product, so that the product can be sequentially executed according to the control instructions in the production process, the whole production process flow is connected in series, equipment can complete the production operation of the production steps according to the control instructions, and the execution of the whole production flow is further realized.
Further, the method subdivides the production process flow according to the hierarchy of process paths, production steps and control instructions, wherein each process flow is subdivided into a plurality of process paths, each process path comprises a plurality of production steps, and each production step comprises a plurality of control instructions; and establishing association between the control command and the production steps, the process paths and the process flows, and sequencing.
Further, the steps of associating and sequencing the process path and the production steps are as follows:
s21: the production process flow is subdivided into more than one process path, and the more than one process path is sequenced in production;
s22: and continuously subdividing the sorted process paths, wherein each process path comprises more than one production step, and the production steps are connected aiming at each process path to form the production process flow of the whole product after connection. Specifically, the production process flow is firstly subdivided into process paths, each process path corresponds to a part of independent functions of production, each process path is subdivided into specific processing and production steps after the process paths are sequenced, and the production steps of each process path are sequenced to form the flow of the whole product production process, so that the rapid production of products is conveniently realized. After the process paths are subdivided, the production function of the product corresponding to each process path can be independently executed, so that the production function has the function of independently executing any process path, and the intermediate product under a certain process path can be conveniently produced in batches.
In the present embodiment, for example: in the field of watchcase production industry, a watchcase production process path comprises raw material warehousing, raw material feeding, machining detection, semi-finished product warehousing, semi-finished product ex-warehouse, polishing processing, finished product warehousing, finished product ex-warehouse and the like; the specific production steps included in the raw material warehousing comprise dispatching the AGV to come to feed and discharge the area butt joint platform, the AGV arrives at the feeding and discharging area butt joint platform to feed the AGV, the AGV arrives at the raw material warehouse butt joint platform to drive the roller of the raw material warehouse butt joint platform to roll, informing the AGV to allow the material unloading disc, informing the AGV to complete the material unloading disc to return to the initial point, confirming that the raw material warehousing is completed, and stopping the roller of the raw material warehouse butt joint platform to roll into the warehouse (raw material warehouse).
Further, each device has an independent control program, and the variable name of the control program controls the device to execute production operation. The variable name in the control program of each device is used for controlling the device to complete specific production operation, and after the variable name of the control program is changed, the production operation executed by the device is correspondingly changed.
Further, the control instruction corresponds to a variable name in the control program of each device, the control instruction of each production step is bound with the corresponding device, and after the variable name of the control program of the device obtains the control instruction, the production operation of the production step is executed. The control instruction corresponds to a variable name in a control program of the equipment, and after the control instruction is bound with the equipment and the equipment acquires a control instruction signal, the variable name in the control program acquires the corresponding control instruction to drive the equipment to execute production operation. The process divides the production process flow into process paths, subdivides the process paths into specific processing and production steps, corresponds the production steps with control instructions, and after the control instructions are associated with equipment, the equipment acquires the control instructions to execute production operation.
Furthermore, the control instruction includes an end condition of the production step, and after the control program of the device obtains the control instruction corresponding to the end condition, the execution of the production step is ended.
In this embodiment, the process path in the product production process flow and the corresponding specific production step under the process path are mapped into the product process BOM interface, and the control of the order product production process flow can be realized through the product process BOM interface; the method comprises the steps that a processing program is distributed to each device, the processing program is obtained from a processing program file, each device is bound with the name of the processing program file in a computer memory, uploading of the processing program file is achieved through a processing program uploading button in a BOM (bill of materials) interface of the product technology, after uploading, a control program obtains the processing program file according to the name of the processing program file, a production execution button is clicked, production processes under all process paths are executed in sequence, and production of the product is completed. And in the BOM interface of the product process, clicking a specific process path by a right button, and selecting to execute only the selected process path.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A process control method for automatic production is characterized in that a specific production process flow is determined firstly, then the production process flow is subdivided into a plurality of control instructions, the control instructions are sequentially sequenced according to a production sequence, each control instruction is associated with equipment, the control instructions call the associated equipment to execute production operation, and then the execution of the whole production process flow is realized.
2. The process control method for automated production according to claim 1, wherein the production process flows are subdivided according to a hierarchy of process paths, production steps, and control instructions, wherein each process flow is subdivided into a plurality of process paths, each process path comprises a plurality of production steps, and each production step comprises a plurality of control instructions; and establishing association between the control command and the production steps, the process paths and the process flows, and sequencing.
3. The process control method for automated manufacturing of claim 2, wherein the process paths are associated with and ordered by the steps of:
s21: the production process flow is subdivided into a plurality of process paths, and the process paths are sequenced in production;
s22: and continuously subdividing the sorted process paths, wherein each process path comprises more than one production step, and the production steps are connected aiming at each process path to form the production process flow of the whole product after connection.
4. The process control method for automated manufacturing according to claim 3, wherein each device has an independent control program, and a variable name of the control program controls the device to perform a manufacturing operation.
5. The process control method for automated production according to claim 4, wherein the control command corresponds to a variable name in the control program of each device, the control command of each production step is bound to the corresponding device, and the production operation of the production step is performed after the variable name of the control program of the device is obtained from the control command.
6. The process control method for automated production according to claim 5, wherein the control instruction includes an end condition of the production step, and the control program of the device finishes execution of the production step after acquiring the control instruction corresponding to the end condition.
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| CN202010495962.4A CN111708336A (en) | 2020-06-03 | 2020-06-03 | Process control method for automatic production |
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| CN202010495962.4A CN111708336A (en) | 2020-06-03 | 2020-06-03 | Process control method for automatic production |
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2020
- 2020-06-03 CN CN202010495962.4A patent/CN111708336A/en active Pending
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