CN115213740B - Multi-machine-tool combined flexible die insert machining system and machining method - Google Patents
Multi-machine-tool combined flexible die insert machining system and machining method Download PDFInfo
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- CN115213740B CN115213740B CN202210803977.1A CN202210803977A CN115213740B CN 115213740 B CN115213740 B CN 115213740B CN 202210803977 A CN202210803977 A CN 202210803977A CN 115213740 B CN115213740 B CN 115213740B
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- 238000003754 machining Methods 0.000 title claims abstract description 191
- 238000000034 method Methods 0.000 title claims abstract description 75
- 238000012545 processing Methods 0.000 claims abstract description 134
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000009471 action Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000010801 machine learning Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
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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
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
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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]
Abstract
The application discloses a multi-machine-tool combined flexible die insert machining system and a machining method, wherein the machining system comprises a detection unit positioned at the upstream of a machining section; an inventory unit downstream of the processing section; the conveying unit comprises a conveying guide rail and a robot arm arranged on the conveying guide rail, the machining unit comprises numerical control machining tools arranged on two sides of the conveying guide rail, the numerical control machining tools arranged on two sides of the conveying guide rail are distributed in a staggered mode so that all the numerical control machining tools are combined to form a zigzag structure, and the monitoring unit is arranged on the conveying guide rail; and the control unit comprises a central processing module. The flexible die insert processing system improves the die insert processing precision and efficiency and improves the production capacity of various die insert models.
Description
1 technical field
The application relates to the technical field of die insert machining, in particular to a multi-machine-tool combined flexible die insert machining system and a machining method.
2 background art
The production of the die insert has extremely high requirements on quality and efficiency, and the manufacturing efficiency and flexibility of the die insert directly influence the survival prospect of a factory. The current die insert manufacturing has the following problems: the production saturation rate of the multi-model die inserts is low, and when single-sided processing of the die inserts of different models is performed, different specific processing machine tools are needed, so that the production cost is increased, and the flexible processing of the die inserts of different sizes can not be realized on the same production line.
In view of this, there is a need for a method of flexibly machining inserts that addresses or at least alleviates the above-mentioned drawbacks.
3 summary of the application
The flexible die insert machining method provided by the application solves the technical problems that the existing die insert machining center can only machine a single die insert and has low production efficiency.
In order to achieve the above purpose, the technical scheme adopted by the application is as follows:
the multi-machine-tool combined flexible die insert machining system comprises a detection unit positioned at the upstream of a machining section, wherein the detection unit is used for acquiring the blank size, the blank shape and the blank zero position of a current insert blank; an inventory unit downstream of the processing section for storing the current die insert formed after the current insert blank is processed; the conveying unit comprises a conveying guide rail and robot arms arranged on the conveying guide rail, the machining unit comprises numerical control machining tools arranged on two sides of the conveying guide rail, the numerical control machining tools arranged on two sides of the conveying guide rail are distributed in a staggered mode so that all the numerical control machining tools are combined to form a zigzag structure, and the monitoring unit is used for collecting the current working state of the numerical control machining tools, wherein the current working state comprises a fault state, a processing procedure and current machining precision; the control unit comprises a central processing module, wherein the central processing module is used for determining a target molding grade according to the blank size, the blank shape and the blank zero position of the current insert blank; the central processing module is also used for determining a current flexible processing strategy of the current insert blank according to the blank size, the blank appearance, the target molding grade, the zero position of the current insert blank and the current working state of each machine tool at the downstream, wherein the current flexible processing strategy comprises a processing procedure and a processing path, the processing procedure comprises a rough processing procedure, a semi-finishing procedure and a finishing procedure, the processing path comprises a feeding path, a processing path and a blanking path, and the processing path adopts a zigzag path; the central processing module is also used for driving the robot arm to work according to the current flexible processing strategy.
Further, the target molding grade comprises a first grade insert, a second grade insert and a third grade insert, and the stock unit comprises a first stock shelf for storing the first grade insert, a second stock shelf for storing the second grade insert and a third stock shelf for storing the third grade insert, and the first stock shelf, the second stock shelf and the third stock shelf are arranged in parallel and at intervals.
Further, the processing device further comprises an identification unit positioned at the upstream of the detection unit, the identification unit is used for acquiring the appearance of the current material to be processed, the central processing module is further used for judging whether the current material to be processed is a target processing object according to the appearance of the current material, and if the material to be processed is the target processing object, the material to be processed is determined to be a current insert blank.
Further, the multi-machine-tool-combined flexible die insert machining system further comprises a tool library unit, at least two robot arms are respectively arranged on the transportation guide rail, and the central processing module is further used for processing numerical control machining machines in different current working states according to preset priorities when the robot arms are idle and are not interfered: the method comprises the steps of controlling a robot arm to change a cutter of a numerical control machine tool with damaged cutters when the robot arm is idle and is not interfered; and the second priority is to control the robot arm to change the tool of the numerical control machine tool with insufficient tool precision when the robot arm is idle and is not interfered.
Further, the control unit further comprises a machining strategy updating module, wherein the machining strategy updating module is used for updating the current flexible machining strategy when the machining error of the current flexible machining strategy is larger than a preset error or when the current flexible machining strategy is interfered.
Further, a checking unit upstream of the inventory unit is further included for checking whether the current die insert is acceptable, and the central processing module is further configured to control the robotic arm to load the acceptable current die insert onto the inventory unit after the current die insert is acceptable.
The application also provides a multi-machine-tool combined flexible die insert machining method, which is used for the multi-machine-tool combined flexible die insert machining system and comprises the following steps: s10, acquiring blank attributes of a current insert blank, wherein the blank attributes comprise blank size, blank appearance and a zero point position of the current insert blank; s20, determining a target molding grade based on the blank size and the blank shape, wherein the target molding grade comprises a first grade insert, a second grade insert and a third grade insert; s30, determining a current flexible machining strategy of the current insert blank according to the blank size, the blank appearance, the target molding grade, the zero position of the current insert blank and the current working state of each machine tool at the downstream, wherein the current flexible machining strategy comprises a machining procedure and a machining path, the machining procedure comprises a rough machining procedure, a semi-finishing procedure and a finishing procedure, the machining path comprises a feeding path, a machining processing path and a blanking path, and the machining processing path adopts a zigzag path; s41, obtaining the pre-machining precision of a pre-machining machine tool of the current insert blank in the next machining procedure under the current flexible machining strategy; s42, if the pre-machining precision of the pre-machining machine tool does not meet the preset machining requirement, ignoring the pre-machining machine tool and entering the step 30 to update the current flexible machining strategy; s43, if the pre-machining precision of the pre-machining machine tool meets the preset machining requirement, entering a next working procedure machine tool for machining according to the current flexible machining strategy; steps S41 to S43 are repeated until the current insert blank is machined into the current die insert.
Further, the method further comprises the steps of: s50, judging whether the current die insert meets the machining precision requirement or not; and S60, if the current die insert meets the machining precision requirement, delivering the current die insert to a storage rack of a corresponding grade through a robot arm.
Further, the method further comprises the steps of: when the robot arm is in an idle state, acquiring a machine tool with cutter abrasion as a machine tool to be maintained, determining the machine tool to be maintained with the minimum tool changing stroke when the robot arm is in the current position as a target maintenance machine tool, and changing the tool of the target maintenance machine tool through the robot arm.
Further, step S42 specifically includes: if the pre-machining precision of the pre-machining tool does not meet the preset machining precision requirement or the waiting time of the pre-machining tool is longer than the preset time, the pre-machining tool is ignored and the current flexible machining strategy is updated in step 30.
The application has the following beneficial effects:
the application provides a multi-machine-tool combined flexible die insert machining system, which comprises a detection unit, an inventory unit, a conveying unit, a machining unit, a monitoring unit and a control unit, wherein numerical control machining machines of the machining unit are arranged on two sides of a conveying guide rail in a zigzag manner, so that flexible combination of a plurality of numerical control machining machines is realized, the conveying path of a robot arm is reduced, and the machining production efficiency of the die insert is improved; the intelligent combination of the detection unit, the inventory unit, the transportation unit, the machining unit, the monitoring unit and the control unit forms a current flexible machining strategy, realizes real-time monitoring, analysis and feedback of multi-machine tool and multi-working mode, realizes flexible intelligent machining of the die inserts with multiple sizes, improves the machining efficiency of the die inserts, and improves the production capacity of the die inserts with multiple types.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Description of the drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic illustration of a multi-machine tool integrated, flexible die insert tooling system in accordance with one embodiment of the present application;
FIG. 2 is a flow chart of a method of multi-machine tool joint flexibilization die insert machining in one embodiment of the application.
5 detailed description of the preferred embodiments
It should be understood that the detailed description and specific examples, while indicating the application, are intended for purposes of illustration only and are not intended to limit the scope of the application.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
Referring to fig. 1, the present application provides a multi-machine combined flexible die insert processing system, which includes a detection unit located at the upstream of a processing section, wherein the detection unit is used for obtaining the blank size, the blank shape and the blank zero position of a current insert blank; an inventory unit downstream of the processing section for storing the current die insert formed after the current insert blank is processed; the conveying unit comprises a conveying guide rail and robot arms arranged on the conveying guide rail, the machining unit comprises numerical control machining tools arranged on two sides of the conveying guide rail, the numerical control machining tools arranged on two sides of the conveying guide rail are distributed in a staggered mode so that all the numerical control machining tools are combined to form a zigzag structure, and the monitoring unit is used for collecting the current working state of the numerical control machining tools, wherein the current working state comprises a fault state, a processing procedure and current machining precision; the control unit comprises a central processing module, wherein the central processing module is used for determining a target molding grade according to the blank size, the blank shape and the blank zero position of the current insert blank; the central processing module is also used for determining a current flexible processing strategy of the current insert blank according to the blank size, the blank appearance, the target molding grade, the zero position of the current insert blank and the current working state of each machine tool at the downstream, wherein the current flexible processing strategy comprises a processing procedure and a processing path, the processing procedure comprises a rough processing procedure, a semi-finishing procedure and a finishing procedure, the processing path comprises a feeding path, a processing path and a blanking path, and the processing path adopts a zigzag path; the central processing module is also used for driving the robot arm to work according to the current flexible processing strategy.
The application provides a multi-machine-tool combined flexible die insert machining system, which comprises a detection unit, an inventory unit, a conveying unit, a machining unit, a monitoring unit and a control unit, wherein numerical control machining machines of the machining unit are arranged on two sides of a conveying guide rail in a zigzag manner, so that flexible combination of a plurality of numerical control machining machines is realized, the conveying path of a robot arm is reduced, and the machining production efficiency of the die insert is improved; the intelligent combination of the detection unit, the inventory unit, the transportation unit, the machining unit, the monitoring unit and the control unit forms a current flexible machining strategy, realizes real-time monitoring, analysis and feedback of multi-machine tool and multi-working mode, realizes flexible intelligent machining of the die inserts with multiple sizes, improves the machining efficiency of the die inserts, and improves the production capacity of the die inserts with multiple types.
Optionally, the detecting unit includes a three-dimensional laser scanning positioning module and a graphic processing module, the detecting unit is used for determining a three-dimensional size and a blank zero position of any current insert blank, the control unit is used as a basis for generating a current flexible processing strategy, the current flexible processing strategy includes a processing path, a processing procedure, processing time and the number of numerical control processing machines, wherein the feeding path is a path for loading a blank to be processed from a material table to an initial processing station of the machining unit through a base of a robot arm along a straight line under the auxiliary action of a movable arm of the robot arm, the processing path is a processing path for processing the current insert blank to form a current die insert through the base of the robot arm along the straight line under the auxiliary action of the movable arm of the robot arm, and the discharging path is a path for loading the current die insert from the processing station to the stock unit through the base of the robot arm along the straight line under the auxiliary action of the movable arm of the robot arm.
Further, in order to facilitate distinguishing and picking and placing of the current die insert, the target molding grade includes a first grade insert, a second grade insert and a third grade insert, and the stock unit includes a first stock shelf for storing the first grade insert, a second stock shelf for storing the second grade insert and a third stock shelf for storing the third grade insert, and the first stock shelf, the second stock shelf and the third stock shelf are arranged in parallel and spaced apart.
More preferably, a first storage rack, a second storage rack and a third storage rack are arranged in parallel at the downstream of the processing section, the first storage rack is rotatably arranged around the rotation axis of the first storage rack, the second storage rack is rotatably arranged around the rotation axis of the second storage rack, the third storage rack is rotatably arranged around the rotation axis of the third storage rack, in order to save the running time of the robot arm, the discharging path is arranged in a straight line,
further, the processing device further comprises an identification unit positioned at the upstream of the detection unit, the identification unit is used for acquiring the appearance of the current material to be processed, the central processing module is further used for judging whether the current material to be processed is a target processing object according to the appearance of the current material, and if the material to be processed is the target processing object, the material to be processed is determined to be a current insert blank. Optionally, the identification unit comprises a scanning camera, an image acquisition card and a CMOS sensor, and the central processing module is used for identifying and analyzing the acquired size and morphology of the die insert and judging whether the die insert is a required processing object or not.
Further, if the material to be processed is not the target processing object, the material to be processed is transferred to the outside of the processing center through the robot arm.
Further, the multi-machine-tool-combined flexible die insert machining system further comprises a tool library unit, at least two robot arms are respectively arranged on the transportation guide rail, and the central processing module is further used for processing numerical control machining machines in different current working states according to preset priorities when the robot arms are idle and are not interfered: the method comprises the steps of controlling a robot arm to change a cutter of a numerical control machine tool with damaged cutters when the robot arm is idle and is not interfered; and the second priority is to control the robot arm to change the tool of the numerical control machine tool with insufficient tool precision when the robot arm is idle and is not interfered. In the application, when the flexible processing strategy is prepared, the self-adaptive flexible processing can be carried out according to the processing precision of the numerical control processing machine tool, but neglect measures are taken for the numerical control processing machine tool with damaged cutter, so that the cutter is preferentially replaced for the numerical control machine tool with damaged cutter to provide the working quantity of the numerical control processing machine tool as much as possible, and the working efficiency is further improved.
Further, the control unit further comprises a machining strategy updating module, wherein the machining strategy updating module is used for updating the current flexible machining strategy when the machining error of the current flexible machining strategy is larger than a preset error or when the current flexible machining strategy is interfered. Optionally, the current flexible processing strategy is updated by adopting a machine learning model, and the current flexible processing strategy is updated in time when the current flexible processing strategy is blocked so as to avoid processing interruption.
Further, a checking unit upstream of the inventory unit is further included for checking whether the current die insert is acceptable, and the central processing module is further configured to control the robotic arm to load the acceptable current die insert onto the inventory unit after the current die insert is acceptable. Optionally, the central processing module is further configured to control the robotic arm to load the qualified current die insert onto the material table after the current die insert fails.
The single die insert production process of the multi-machine combined flexible die insert processing system comprises the following steps: firstly, acquiring the blank size, the blank shape and the blank zero point position of a current insert blank through field scanning of a detection unit, generating a current flexible production strategy according to a target molding grade and target machining precision, a cutter model corresponding to a machine tool, the number of machine tools, the machining procedures and the like, acquiring three-dimensional size information of the current insert blank through reading a radio frequency module of the current insert blank, scanning and binding three-dimensional profile data of the current insert blank, recording blank number, L angle mark and zero point XYZ coordinate values of the current insert blank, and automatically calculating the size difference, the required procedure, the required time, the number of machine tools and the machining route of the target molding size and the current insert blank; secondly, after the current insert blank is clamped on a tray, the current insert blank is fed to a numerical control machining machine tool by a transmission unit, an included angle formed by connection of two adjacent numerical control machining machine tools forms an acute angle, after a robot reaches the numerical control machining machine tool, the automatic door is automatically controlled to be opened by the machine tool, a zero point positioning system is unlocked, a movable arm of a robot arm places the tray filled with the current insert blank on the zero point positioning system of the numerical control machining machine tool, and after the robot arm completely withdraws from the machine tool, the zero point positioning system is locked; thirdly, starting a processing strategy updating module, wherein the processing strategy updating module takes an initial processing strategy as a base strategy, trains and learns a process forming error, outputs a secondary strategy and the base strategy error, and iterates the current flexible processing strategy by using the secondary strategy until convergence if the error of the two is more than 5%, otherwise, adopts the base strategy to continue processing; fourthly, if the current flexible processing strategy needs to be updated, when a certain process step is skipped or repeated, starting a closed circuit unit, cutting off processing information data flow between adjacent process machine tools, transmitting processing information of the die insert and the updated processing strategy to a robot arm, and enabling the robot arm to clamp the die insert and transport the die insert to the adjacent machine tools positioned on the same side guide rail until the processing requirement is met; after the current working procedure is finished, the working procedure is conveyed to a checking unit for measurement, if the error requirement is met, the working procedure is conveyed to an inventory unit, and if the dimension requirement is not met, the working procedure is carried out again.
Referring to fig. 2, the method for processing a flexible die insert with multiple machine tools according to the present application is used in the system for processing a flexible die insert with multiple machine tools, and includes the following steps: s10, acquiring blank attributes of a current insert blank, wherein the blank attributes comprise blank size, blank appearance and a zero point position of the current insert blank; s20, determining a target molding grade based on the blank size and the blank shape, wherein the target molding grade comprises a first grade insert, a second grade insert and a third grade insert; s30, determining a current flexible machining strategy of the current insert blank according to the blank size, the blank appearance, the target molding grade, the zero position of the current insert blank and the current working state of each machine tool at the downstream, wherein the current flexible machining strategy comprises a machining procedure and a machining path, the machining procedure comprises a rough machining procedure, a semi-finishing procedure and a finishing procedure, the machining path comprises a feeding path, a machining processing path and a blanking path, and the machining processing path adopts a zigzag path; s41, obtaining the pre-machining precision of a pre-machining machine tool of the current insert blank in the next machining procedure under the current flexible machining strategy; s42, if the pre-machining precision of the pre-machining machine tool does not meet the preset machining requirement, ignoring the pre-machining machine tool and entering the step 30 to update the current flexible machining strategy; s43, if the pre-machining precision of the pre-machining machine tool meets the preset machining requirement, entering a next working procedure machine tool for machining according to the current flexible machining strategy; steps S41 to S43 are repeated until the current insert blank is machined into the current die insert.
According to the multi-machine-tool combined flexible die insert machining method, under the condition that the base of the robot arm moves linearly, the Z-shaped machining path is adopted for the current insert blank through the matching of each numerical control machine tool, so that flexible combination of a plurality of numerical control machining machines can be realized, repeated transportation of a guide rail robot is reduced, and the production efficiency of a factory is improved; the current flexible processing strategy can be updated at any time according to the processing working condition, so that flexible processing of the die insert and production automation are realized, the labor intensity of workers is effectively reduced, and the labor cost of factories is greatly reduced.
Further, the method further comprises the steps of: s50, judging whether the current die insert meets the machining precision requirement or not; and S60, if the current die insert meets the machining precision requirement, delivering the current die insert to a storage rack of a corresponding grade through a robot arm. It can be appreciated that in the application, if the current die insert meets the processing precision requirement, the scheme of delivering the current die insert to a storage rack of a corresponding grade through a robot arm in a warehouse-out manner is adopted, so that the die inserts of a uniform type are stored, and the management and the transportation are convenient.
Further, the method further comprises the steps of: when the robot arm is in an idle state, acquiring a machine tool with cutter abrasion as a machine tool to be maintained, determining the machine tool to be maintained with the minimum tool changing stroke when the robot arm is in the current position as a target maintenance machine tool, and changing the tool of the target maintenance machine tool through the robot arm. According to the application, the numerical control machine tool is maintained in time, so that continuous machining is facilitated.
Further, step S42 specifically includes: if the pre-machining precision of the pre-machining tool does not meet the preset machining precision requirement or the waiting time of the pre-machining tool is longer than the preset time, the pre-machining tool is ignored and the current flexible machining strategy is updated in step 30. It can be understood that the preset time length can be 1 minute, can be 2 minutes and other times, and when the machine tool in the next working procedure needs to wait for a longer time or is damaged and offline, the current flexible processing strategy is updated in time, so that the processing interruption is avoided, and the processing efficiency is high.
Further, S50 specifically includes: judging the molding grade of the insert of the current die insert and judging whether the current die insert meets the machining precision requirement or not; s60 specifically comprises: if the insert molding grade of the current die insert is set at the first grade insert and the current die insert meets the machining precision requirement, the current die insert is delivered to a first storage rack through a robot arm in a warehouse: if the insert molding grade of the current die insert is set at the second grade insert and the current die insert meets the machining precision requirement, the current die insert is delivered to a second storage rack through a robot arm; if the insert molding grade of the current die insert is set at the third grade insert and the current die insert meets the processing precision requirement, the current die insert is delivered to a third storage rack through a robot arm,
it can be understood that, the base of the robot arm moves along a straight line and moves through the movable arm of the robot arm to deliver the current die insert to the storage rack of the corresponding grade, in order to improve the delivery efficiency, facilitate the distinguishing and management of the current die insert of various grades and reduce the moving displacement of the robot arm, the method further comprises the steps of: acquiring the inventory quantity of one side of the first inventory rack, and if the inventory quantity of one side of the first inventory rack reaches the preset inventory quantity, controlling the first inventory rack to rotate around a rotation axis so that one side of the first inventory rack is controlled to receive the die insert conveyed by the robot arm; acquiring the inventory quantity of the single side of the second inventory rack, and if the inventory quantity of the single side of the second inventory rack reaches the preset inventory quantity, controlling the second inventory rack to rotate around the rotation axis so that the controlled side receives the die insert conveyed by the robot arm; and acquiring the inventory quantity of one side of the third inventory rack, and if the inventory quantity of one side of the third inventory rack reaches the preset inventory quantity, controlling the third inventory rack to rotate around the rotation axis so that one side of the control receives the die insert conveyed by the robot arm. According to the application, the movable base of the robot arm moves linearly on the conveying guide rail, so that the die inserts of different types can be processed in a self-adaptive manner, and the die inserts of different types are stored on the corresponding storage shelves, so that the generation efficiency of the die inserts is high.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A multi-machine-tool-combined flexible die insert machining system, comprising
The detection unit is positioned at the upstream of the processing section and is used for acquiring the blank size, the blank shape and the blank zero position of the current insert blank;
an inventory unit downstream of the processing section for storing a current die insert formed after processing of the current insert blank;
the conveying unit comprises a conveying guide rail and a robot arm arranged on the conveying guide rail, the machining unit comprises numerical control machining tools arranged on two sides of the conveying guide rail, the numerical control machining tools arranged on two sides of the conveying guide rail are distributed in a staggered manner so that all the numerical control machining tools are combined to form a zigzag structure,
the monitoring unit is used for collecting the current working state of the numerical control machine tool, wherein the current working state comprises a fault state, a processing procedure and current processing precision;
the control unit comprises a central processing module, wherein the central processing module is used for determining a target molding grade according to the blank size, the blank shape and the blank zero position of the current insert blank; the central processing module is further used for determining a current flexible processing strategy of the current insert blank according to the blank size, the blank appearance, the target molding grade, the current insert blank zero position and the current working state of each machine tool at the downstream, wherein the current flexible processing strategy comprises a processing procedure and a processing path, the processing procedure comprises a rough processing procedure, a semi-finishing procedure and a finishing procedure, the processing path comprises a feeding path, a processing path and a discharging path, and the processing path adopts a zigzag path; the central processing module is also used for driving the robot arm to work according to the current flexible processing strategy.
2. A multi-machine tool integrated flexible die insert tooling system as set forth in claim 1 wherein,
the target molding grade comprises a first grade insert, a second grade insert and a third grade insert,
the stock unit comprises a first stock shelf for storing first-grade inserts, a second stock shelf for storing second-grade inserts and a third stock shelf for storing third-grade inserts, wherein the first stock shelf, the second stock shelf and the third stock shelf are arranged in parallel and at intervals.
3. A multi-machine tool integrated flexible die insert tooling system as set forth in claim 1 wherein,
the device also comprises an identification unit positioned at the upstream of the detection unit, the identification unit is used for acquiring the current material morphology of the current material to be processed,
the central processing module is also used for judging whether the current material to be processed is a target processing object according to the appearance of the current material, and determining that the material to be processed is the current insert blank if the material to be processed is the target processing object.
4. A multi-machine tool integrated flexible die insert tooling system according to any one of claim 1 to 3,
the multi-machine tool combined flexible die insert machining system further comprises a tool magazine unit,
at least two robot arms are respectively arranged on the transportation guide rail,
the central processing module is also used for processing the numerical control machine tools in different current working states according to preset priority when the robot arm is idle and not interfered:
the method comprises the steps of controlling a numerical control machine tool with damaged cutters to change cutters when a robot arm is idle and is not interfered;
and controlling the robot arm to change the tool of the numerical control machine tool with insufficient tool precision when the robot arm is idle and is not interfered by the robot arm according to the second priority.
5. A multi-machine tool integrated flexible die insert tooling system as set forth in claim 4 wherein,
the control unit further comprises a machining strategy updating module for updating the current flexible machining strategy when the machining error of the current flexible machining strategy is greater than a preset error or when the current flexible machining strategy is interfered.
6. A multi-machine tool integrated flexible die insert tooling system as set forth in claim 4 wherein,
and a checking unit upstream of the inventory unit for checking whether the current die insert is acceptable,
the central processing module is further configured to control the robotic arm to load the current die insert onto the inventory unit after the current die insert is qualified.
7. A multi-machine tool integrated, flexible die insert machining method for use in a multi-machine tool integrated, flexible die insert machining system as claimed in any one of claims 4 to 6, comprising the steps of:
s10, acquiring blank attributes of a current insert blank, wherein the blank attributes comprise blank size, blank appearance and a zero point position of the current insert blank;
s20, determining a target molding grade based on the blank size and the blank shape, wherein the target molding grade comprises a first grade insert, a second grade insert and a third grade insert;
s30, determining a current flexible machining strategy of the current insert blank according to the blank size, the blank appearance, the target molding grade, the current insert blank zero position and the current working state of each machine tool at the downstream, wherein the current flexible machining strategy comprises a machining procedure and a machining path, the machining procedure comprises a rough machining procedure, a semi-finishing procedure and a finishing procedure, the machining path comprises a feeding path, a machining processing path and a discharging path, and the machining processing path adopts a zigzag path;
s41, obtaining the pre-machining precision of a pre-machining machine tool of the current insert blank in the next machining procedure under the current flexible machining strategy;
s42, if the pre-machining precision of the pre-machining machine tool does not meet the preset machining requirement, ignoring the pre-machining machine tool and entering a step 30 to update the current flexible machining strategy;
s43, if the pre-machining precision of the pre-machining machine tool meets the preset machining requirement, entering a next working procedure machine tool for machining according to the current flexible machining strategy;
steps S41 to S43 are repeated until the current insert blank is machined into a current die insert.
8. The method of claim 7, wherein the method further comprises the step of,
the method also comprises the steps of:
s50, judging whether the current die insert meets the machining precision requirement or not;
and S60, if the current die insert meets the machining precision requirement, delivering the current die insert to a storage rack of a corresponding grade through a robot arm.
9. The method of multi-machine tool-bonded, flexible die insert tooling of claim 8,
the method also comprises the steps of:
when the robot arm is in an idle state, acquiring a machine tool with cutter abrasion as a machine tool to be maintained, determining the machine tool to be maintained with the minimum cutter changing stroke when the robot arm is in the current position as a target maintenance machine tool, and changing cutters of the target maintenance machine tool through the robot arm.
10. The method of multi-machine tool-bonded, flexible die insert tooling of claim 8,
the step S42 specifically includes:
if the pre-machining precision of the pre-machining machine tool does not meet the requirement of the pre-machining precision or if the waiting time of waiting for the pre-machining machine tool is longer than the preset time, the pre-machining machine tool is ignored and the current flexible machining strategy is updated in step 30.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363503A (en) * | 1970-08-20 | 1974-08-14 | Heidelberger Druckmasch Ag | Machining installation |
| SU1431915A1 (en) * | 1986-05-30 | 1988-10-23 | Воронежское Специальное Конструкторское Бюро Кузнечно-Прессовых Машин И Автоматических Линий | Flexible manufacturing module for cutting blanks from round rods and square rolled stock |
| JPH1190791A (en) * | 1997-09-11 | 1999-04-06 | Toyoda Mach Works Ltd | Flexible machining device and pallet therefor |
| EP2849010A1 (en) * | 2013-09-11 | 2015-03-18 | Siemens Aktiengesellschaft | Method and system for manufacturing a workpiece |
| CN109129019A (en) * | 2018-08-01 | 2019-01-04 | 成都飞机工业（集团）有限责任公司 | A kind of on-line measuring device and its detection method of miniature workpiece flexible production line |
-
2022
- 2022-07-07 CN CN202210803977.1A patent/CN115213740B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363503A (en) * | 1970-08-20 | 1974-08-14 | Heidelberger Druckmasch Ag | Machining installation |
| SU1431915A1 (en) * | 1986-05-30 | 1988-10-23 | Воронежское Специальное Конструкторское Бюро Кузнечно-Прессовых Машин И Автоматических Линий | Flexible manufacturing module for cutting blanks from round rods and square rolled stock |
| JPH1190791A (en) * | 1997-09-11 | 1999-04-06 | Toyoda Mach Works Ltd | Flexible machining device and pallet therefor |
| EP2849010A1 (en) * | 2013-09-11 | 2015-03-18 | Siemens Aktiengesellschaft | Method and system for manufacturing a workpiece |
| CN109129019A (en) * | 2018-08-01 | 2019-01-04 | 成都飞机工业（集团）有限责任公司 | A kind of on-line measuring device and its detection method of miniature workpiece flexible production line |
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| CN115213740A (en) | 2022-10-21 |
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