CN112830179B - A method suitable for flexible manufacturing production process - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000008569 process Effects 0.000 claims abstract description 44
- 230000004048 modification Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 25
- 239000004615 ingredient Substances 0.000 description 15
- 230000032258 transport Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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Abstract
一种适用于柔性制造生产流程的方法，包括工作台、配料仓库、成品仓库、第一运输单元、第二运输单元和第三运输单元，获取生产工艺流程,以存在单一关系的子步骤为二级子步骤，根据所述的生产工艺流程中各个子步骤之间的前后子步骤的生产工艺关系确定二级子步骤，合并子步骤中的二级子步骤形成串行节点，串行节点内的工艺依据原子步骤之间的执行顺序进行，本发明将复杂的多节点的并行与串行任务合并为工作流可直接工作的单节点的并行或串行任务，解决了在柔性制造中因为工艺改进或现场生产环境变更而导致对既定流程繁琐的修改问题，提高柔性制造的灵活性，可结合实际情况任意配置与修改生产流程。
A method suitable for a flexible manufacturing production process includes a workbench, a batching warehouse, a finished product warehouse, a first transport unit, a second transport unit and a third transport unit, and obtains a production process flow, with sub-steps with a single relationship as secondary sub-steps, and determining the secondary sub-steps according to the production process relationship between the previous and next sub-steps in each sub-step in the production process flow, merging the secondary sub-steps in the sub-steps to form a serial node, and the process in the serial node is performed according to the execution order between the atomic steps. The present invention merges complex multi-node parallel and serial tasks into single-node parallel or serial tasks that can work directly on the workflow, solves the problem of cumbersome modification of established processes due to process improvements or changes in the on-site production environment in flexible manufacturing, improves the flexibility of flexible manufacturing, and can arbitrarily configure and modify the production process in combination with actual conditions.
Description
Technical Field
The invention relates to the technical field of flexible manufacturing, in particular to a method suitable for a flexible manufacturing production flow.
Background
The flexible manufacturing process is combined with the actual situation to randomly configure and modify the production flow, and complicated modification is often performed on the given flow due to process improvement or on-site production environment change, so that the difficulty in industrial application of the flexible manufacturing process is caused, after the process flow is changed, the original software and workflow are difficult to multiplex, and a new workflow is required to be realized through the modification of the software, so that a method suitable for the flexible manufacturing production flow needs to be designed according to the situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method suitable for a flexible manufacturing production process.
The invention solves the technical problems by adopting the following technical scheme:
a method for flexible manufacturing production process, comprising a workbench, a batching warehouse, a finished product warehouse, a first transportation unit, a second transportation unit and a third transportation unit, further comprising the steps of:
step 1, defining the substeps according to the following
When at least two sub-steps are the preconditions of another sub-step, the sub-steps are in a multiple necessary relationship, wherein the sub-steps serving as the preconditions are the necessary sub-steps of the other sub-step;
when one sub-step is the only precondition of the other sub-step, the two sub-steps are in a single necessary relationship;
When a sub-step is a precondition for a plurality of sub-steps, the sub-steps are in a more sufficient relationship, wherein the following plurality of sub-steps are sub-steps of the precondition sub-step.
Step 2, obtaining a production process flow, taking a sub-step with a single necessary relationship as a secondary sub-step, and determining the secondary sub-step according to the production process relationship of the front sub-step and the rear sub-step among all the sub-steps in the production process flow;
Step 3, in the production process flow, adjacent two sub-steps in the merging sub-steps form a serial sub-step, and the process in the serial sub-step is carried out according to the execution sequence among the atomic steps;
step 4, taking a necessary sub-step with a multi-sufficient relation as a three-level sub-step, taking a filling sub-step with a multi-sufficient relation as a four-level sub-step, according to the production process flow of the front sub-step and the rear sub-step among all sub-steps in the production process flow, if no front sub-step exists in the corresponding three-level sub-steps in the same multi-necessary relation, combining a plurality of necessary sub-steps to form parallel sub-steps, if parallel sub-steps are formed in the same multi-sufficient relation, determining that the sufficient sub-steps without rear nodes in the multi-sufficient relation are combined to form parallel nodes, if the multi-necessary relation and the multi-sufficient relation are overlapped, taking the three-level sub-step with the multi-necessary relation as the four-level sub-step with the other multi-sufficient relation, determining that the front node is arranged in the multi-necessary relation, combining a plurality of overlapped sub-steps are combined to form parallel nodes, and the processes in the parallel nodes are simultaneously executed according to the execution sequence among the atomic steps;
Step 5, in the production process flow, if the step 4 and the step 3 are not combined, the minimum production process flow is adopted, whether the production process flow is the minimum production process flow is judged, and if the production process flow is not the minimum production process flow, the steps 2-4 are repeatedly executed until the production process flow is the minimum production process flow;
And 6, constructing a workflow according to the minimum production process flow in the production process flow, and informing related hardware equipment to finish the production process flow by the workflow according to the serial and parallel sequences in the constructed minimum production process flow.
The invention has the advantages and positive effects that:
The invention combines complex multi-node parallel and serial tasks into a single-node parallel or serial task with a workflow capable of directly working, solves the problem of complicated modification to a given flow caused by process improvement or on-site production environment change in flexible manufacture, improves flexibility of flexible manufacture, can be combined with practical situations to configure and modify production flows at will, is analogous to the solution of the invention, can be combined with practical situations to modify different process flows, solves the problem that software is difficult to reuse after the process flow is changed, and can generate a workflow capable of being executed no matter how the process flow is changed, can adapt to a new process flow without modifying the software, and radically improves the efficiency of flexible production manufacture.
Drawings
FIG. 1 is a flow chart of the production process of example 1 of the present invention;
FIG. 2 is a simplified flow chart of the first step of the production process of example 1 of the present invention;
FIG. 3 is a simplified flow chart of a second step of the production process of example 1 of the present invention;
FIG. 4 is a simplified flow chart of a third step of the production process of example 1 of the present invention;
FIG. 5 is a simplified flow chart of a fourth step of the production process of example 1 of the present invention;
FIG. 6 is a simplified flow chart of a fifth step of the production process of example 1 of the present invention;
FIG. 7 is a schematic flow chart of the present invention;
FIG. 8 is a flow chart of the production process of example 2 of the present invention;
FIG. 9 is a simplified flow chart of the first step of the production process of example 2 of the present invention;
FIG. 10 is a simplified flow chart of a second step of the production process of example 2 of the present invention;
fig. 11 is a simplified flow chart of the third step of the production process of example 2 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiments of the invention are described in further detail below with reference to the attached drawing figures:
Example 1:
The invention relates to a method suitable for a flexible manufacturing production process, in particular to a sound box production process, which comprises a workbench, a batching warehouse, a finished product warehouse, a first transportation unit, a second transportation unit and a third transportation unit, and further comprises the following steps:
step 1, respectively defining the following contents:
when at least two sub-steps are the preconditions of another sub-step, the sub-steps are in a multiple necessary relationship, wherein the sub-steps serving as the preconditions are the necessary sub-steps of the other sub-step;
when one sub-step is the only precondition of the other sub-step, the two sub-steps are in a single necessary relationship;
when a sub-step is a precondition for multiple sub-steps, the sub-steps are sufficiently related.
Wherein the subsequent sub-steps are sufficient sub-steps of the preconditioning sub-step
As shown in fig. 1, in the process flow of sound box production, the following sub-steps are defined:
the sub-step A is that a first transportation unit takes the ingredient box from the ingredient warehouse and places the ingredient box on a third transportation unit;
a second transportation unit takes the ingredient boxes from the ingredient warehouse and places the ingredient boxes on a third transportation unit;
Step C, setting an assembling mode of a workbench according to different production requirements of different products, and selecting an assembling mode suitable for the current product according to the actual product produced at the time;
a third transporting unit transports the assembled accessories from the batching warehouse to the workbench;
step E, assembling accessories on the workbench and combining the accessories to form a finished product;
a sub-step F, a third transportation unit transports the finished product to a finished product warehouse;
a third transportation unit takes the batching box from the workbench to a batching warehouse;
the first transport unit takes the batching box from the third transport unit and transports the batching box to a batching warehouse;
The second transportation unit takes the batching box from the third transportation unit and conveys the batching box to a batching warehouse;
step H, personalized customization is carried out on the finished product before warehousing;
step K, warehousing finished products;
according to the definition, the production process flow required by the production is constructed, and the production process relation between the substeps A-K is defined according to the following content:
the substep A, the substep B and the substep C are in parallel relation, namely 3 processes need to be executed simultaneously;
The sub-step A and the sub-step B are in a multi-necessity relation with the sub-step D, wherein the sub-step A and the sub-step B are necessary sub-steps of the sub-step D, namely the sub-step D is executed after the sub-step A and the sub-step B are successfully executed;
Sub-step C and sub-step D are in multiple necessary relationships with sub-step E, wherein sub-step C and sub-step D are necessary sub-steps of sub-step E;
sub-step E and sub-step F are in a single necessary relationship, wherein sub-step E is a necessary sub-step of sub-step F;
a plurality of sufficient relations are formed between the substep F, the substep G and the substep H, wherein the substep G and the substep H are the sufficient substeps of the substep F;
A plurality of sufficient relations are formed between the substep G, the substep I and the substep J, wherein the substep I and the substep J are the sufficient substeps of the substep G;
the substep H is an essential substep of the substep K, and the substep K is executed after the substep H is successfully executed.
Therefore, an integral production process is realized, the first transportation unit and the second transportation unit convey the ingredient boxes at different positions in the ingredient warehouse to the third transportation unit, accessories required for assembling the sound boxes are arranged in the ingredient boxes, at the moment, the assembling mode on the workbench is set, the assembling mode which is suitable for the current sound box class is selected according to the class of the sound boxes in the ingredient boxes conveyed on the first transportation unit and the second transportation unit, then the third transportation unit conveys the accessory used for assembling from the ingredient warehouse to the workbench, the accessories are assembled on the workbench and combined into a finished product, then the third transportation unit conveys the finished product to the finished product warehouse, then the ingredient boxes on the workbench are taken out and conveyed to the ingredient warehouse by the third transportation unit, meanwhile, the finished product sound boxes are customized according to different production requirements, the ingredient boxes on the first transportation unit and the second transportation unit are taken down and conveyed to the ingredient warehouse, and the production process flow is not limited by the technical scheme of the scheme through control and setting of software in the production process.
And step 2, acquiring a production process flow, taking the sub-step with a single necessary relationship as a secondary sub-step, and determining the secondary sub-step according to the production process relationship of the front sub-step and the rear sub-step in each sub-step in the production process flow.
Step 3, judging whether the upper and lower nodes are serial sub-steps, wherein the sub-step 1 is provided with only one lower sub-step 2, the sub-step 2 is provided with only one upper sub-step 1, as shown in figure 3, the sub-step E is provided with only one lower sub-step F, and the sub-step F is provided with only one upper sub-step E, so that the E and F sub-steps are serial sub-steps, and the sub-step E and the sub-step F are combined into a new sub-stepThe process performed is to perform E first and then sub-F.
Step 4, taking the necessary sub-steps in the multi-necessary relation as three-level sub-steps, taking the filling sub-steps in the multi-necessary relation as four-level sub-steps, according to the production process flow of the front sub-step and the rear sub-step among the sub-steps in the production process flow, if the corresponding three-level sub-steps are not in the same multi-necessary relation, combining a plurality of necessary sub-steps to form parallel sub-steps, if the parallel sub-steps are formed in the same multi-necessary relation, determining that the sub-steps without the rear sub-nodes in the multi-necessary relation are combined to form parallel nodes, if the multi-necessary relation and the multi-necessary relation are overlapped, determining that the front sub-step is arranged in the multi-necessary relation, the rear sub-step is arranged in the multi-necessary relation, combining a plurality of overlapped sub-steps, forming parallel nodes, and the process in the parallel nodes are simultaneously executed according to the execution sequence among the atomic steps, as shown in fig. 2, and the sub-steps A and B are not in front sub-steps, and the rear sub-steps D are the same, and the sub-steps are combined to form the same sub-steps, and the sub-steps are combined to form the front sub-steps and the sub-steps J and the front sub-steps and the sub-steps J are the same,To perform sub-step A and sub-step B simultaneously for parallel sub-steps, combining sub-step I and sub-step J into,For parallel sub-steps, the sub-step I and the sub-step J are executed simultaneously, and the process flow can be gradually simplified by executing the step four and the step five, for example, E and F are serial flows, and become single flows after being combined, and the process flow F can be directly executed after the process flow E is executed.
Step 5, in the production process flow, if the step 4 and the step 3 are not combined, the minimum production process flow is adopted, whether the production process flow is the minimum production process flow is judged, if the production process flow is not the minimum production process flow, the steps 2-4 are repeatedly executed until the production process flow is the minimum production process flow, as shown in figure 3,And D is a serial process, and further combined into serial substepsG andThe serial process is further combined into a serial sub-step G ', as shown in fig. 4, a″ and C are parallel processes, and further combined into parallel sub-steps a ' ", G ' and H ' are parallel sub-steps, and further combined into G '", as shown in fig. 5 and 6, a ' ", E ' and G '" are serial processes, and further combined into a serial sub-step a ' ", and steps three and four are cyclically executed, and the combination of serial and parallel tasks is alternately performed, so that a complex process can be finally combined into a computer-recognizable process, and can be directly provided for a workflow to be executed.
Step 6, as shown in FIG. 7, in the production process flow, a workflow is constructed according to the minimum production process flow, the workflow informs related hardware equipment to complete the production process flow according to serial and parallel sequences in the constructed minimum production process flow, if the current process processing fails, the whole production process is ended, and in the process, if the process flow changes, only the assembly processes C and E need to be maintained, only other nodes except the assembly processes C and E need to be deleted, and according to the method, the new process generation can be completed without changing the program
Example 2:
Including a plurality of transportation unit, material bar code, pan feeding mouth, material frame, material temporary storage area, material handing-over district and material loading robot, a plurality of transportation unit divide into first transportation unit and second transportation unit, specifically define the material and put on shelf the flow, define following substep:
A sub-step A, a first transporting unit transports materials to a material inlet;
a sub-step B, a second transporting unit prepares to transport materials at a feed port;
Classifying according to different types and grades of materials;
step D, scanning a material bar code and recording;
E, calculating the residual material space on the material rack;
a second transporting unit transports the materials from the material inlet to the material temporary storage area;
step G, taking out the materials from the material temporary storage area to the material transfer area by a material robot in the material transfer area;
step H, placing the materials in the material junction area on a material frame by a feeding robot;
the sub-step I is that the first transportation unit and the second transportation unit are reset;
As shown in fig. 8, according to the definition, the production process flow required for the present production is constructed, and the production process relationship between the sub-steps a-I is defined as follows:
Sub-step a and sub-step B, sub-step C, sub-step E are multiple sufficient relations, wherein sub-step B, sub-step C, sub-step E are sufficient sub-steps of sub-step a;
Sub-step B, sub-step C and sub-step E are in parallel relationship, i.e. 3 processes need to be executed simultaneously;
Sub-step C and sub-step D are a single necessary relationship, wherein sub-step C is a necessary sub-step of sub-step F;
Sub-step B, sub-step D, sub-step E and sub-step F are multiple necessary relationships, wherein sub-step B, sub-step D, sub-step E are necessary sub-steps of sub-step F;
Sub-step F and sub-step G are a single necessary relationship, wherein sub-step F is a necessary sub-step of sub-step G;
A plurality of sufficient relations are formed between the substep G, the substep I and the substep H, wherein the substep I and the substep H are the sufficient substeps of the substep G;
Step 2, obtaining a production process flow, taking a sub-step with a single necessary relationship as a secondary sub-step, and determining the secondary sub-step according to the production process relationship of the front sub-step and the rear sub-step among all the sub-steps in the production process flow;
Step 3, in the production process flow, adjacent two sub-steps in the sub-steps are combined to form a serial sub-step, and the processes in the serial sub-step are performed according to the execution sequence among the atomic steps, as shown in fig. 9, the two sub-steps are a sub-step C and a sub-step D, a sub-step F and a sub-step G, and then the sub-step C and the sub-step D are combined to form C ', and the sub-step F and the sub-step G are combined to form F'. The sub-step C, the sub-step D, the sub-step E and the sub-step F are all serial sub-steps, and are executed according to the execution sequence among the original sub-steps in actual operation;
Step 4, taking the necessary sub-step with the multi-sufficient relation as a three-level sub-step, taking the charge sub-step with the multi-sufficient relation as a four-level sub-step, according to the production process flow of the front sub-step and the back sub-step between the sub-steps in the production process flow, if the corresponding three-level sub-steps are all provided with the front sub-step in the same multi-necessary relation, combining a plurality of necessary sub-steps to form parallel sub-steps, if the parallel sub-steps are formed in the same multi-sufficient relation, determining that the sufficient sub-step without the back node in the multi-sufficient relation is combined to form parallel nodes, if the three-level sub-step with the multi-sufficient relation is used as a four-level sub-step with the other multi-sufficient relation in the multi-necessary relation, determining that the multi-necessary relation is provided with the front sub-step, and the back sub-step is arranged in the multi-sufficient relation, combining a plurality of superposition sub-steps, forming parallel nodes, and the process in the parallel nodes is simultaneously executed according to the execution sequence between the atomic sub-steps, as shown in fig. 10, and in the embodiment, the sub-steps B, the sub-step C ', the sub-step E and the sub-step A are combined with the sub-step in the three-level relation, the sub-step B', the sub-step is the sub-step H ', and the sub-step is actually combined in the sub-step in the same relation, and the sub-step H', and the sub-step is the sub-step H, and the sub-step is the step H, and the sub-step is the step and the step H, and the sub-step is the step and the sub-step and the step H, by executing the fourth and fifth steps, the process flow can be gradually simplified, for example, E and F are serial flows, and become single flows after being combined, and the process flow F can be directly executed after the E process flow is executed.
And 5, in the production process flow, if the step 4 and the step 3 are not combined, judging whether the production process flow is the minimum production process flow, if not, repeatedly executing the steps 2-4 until the production process flow is the minimum production process flow, as shown in fig. 10, and as shown in fig. 11, the substep A, the substep B ', the substep F' and the substep H 'are in a single necessary relation, so that the combination is A', the step three and the step four are circularly executed, the combination of serial and parallel tasks is alternately carried out, and finally, a complex process can be combined into a computer-identified process, and the complex process can be directly provided for a workflow to be executed.
And 6, as shown in fig. 7, in the production process flow, constructing a workflow according to the minimum production process flow, informing related hardware equipment of completing the production process flow by the workflow according to the serial and parallel sequences in the constructed minimum production process flow, and ending the whole production process if the current process processing fails, wherein in the flow, if the process flow changes, only material sorting flows B, C and E need to be reserved at the moment, only other nodes except B, C and E need to be deleted, and according to the method, the new flow generation can be completed without changing a program.
The working principle is that in the flexible manufacturing production process, different production process flows are set for different products, after specific flow planning, the different production process flows are combined into serial sub-steps and parallel sub-steps according to the front-back dependency relation before the sub-steps, after the serial sub-steps and the parallel sub-steps are simplified layer by layer, the original sub-steps are replaced by the serial sub-steps and the parallel sub-steps in the software input, the program is simplified, the problem of complicated modification of the established program in the practical application is solved, and the flexibility of the software flow in the production and the manufacture is improved.
It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the invention is not limited to the examples described in the detailed description, but rather falls within the scope of the invention as defined by other embodiments derived from the technical solutions of the invention by those skilled in the art.
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| CN111061551A (en) * | 2019-12-06 | 2020-04-24 | 深圳前海微众银行股份有限公司 | Node merging and scheduling method, device, equipment and storage medium |
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| CN111061551A (en) * | 2019-12-06 | 2020-04-24 | 深圳前海微众银行股份有限公司 | Node merging and scheduling method, device, equipment and storage medium |
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