CN114074390B - Machining system and method for automation of plastic mold electrode - Google Patents
Machining system and method for automation of plastic mold electrode Download PDFInfo
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- 238000003754 machining Methods 0.000 title claims abstract description 30
- 239000004033 plastic Substances 0.000 title claims abstract description 14
- 229920003023 plastic Polymers 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 26
- 238000012545 processing Methods 0.000 claims abstract description 75
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 238000013461 design Methods 0.000 claims abstract description 11
- 238000013500 data storage Methods 0.000 claims abstract description 10
- 238000003672 processing method Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 230000008676 import Effects 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
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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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Abstract
The invention discloses a processing system and a processing method for automation of plastic mould electrodes, and relates to the field of processing, wherein the system comprises a CAM electrode programming module, a system data storage module, a CNC (computerized numerical control) tool path processing module, a CMM (China Mobile multimedia broadcasting) detection data module and an EDM (electronic discharge machining) program discharging module; the CAM electrode programming module completes electrode programming through UG software, and enters the CNC tool path processing module for processing; the system transmits the received information to a system operation module, and transmits the operated information to a next module to detect whether the processed real object is matched with the shape of the computer design; inputting the detected data to the CMM detection data module again for detection, calculating the most matched numerical value, transmitting the numerical value to the next module for code scanning processing, and judging whether a processing error exists; according to the CAM complete programming import system, manual operation is changed into automatic operation, so that the processing efficiency is improved, and the technical requirements of personnel are reduced.
Description
Technical Field
The invention relates to the technical field of automatic processing, in particular to an automatic processing system for a plastic mold.
Background
Along with the continuous development of society, people are continuously improving the requirements on the progress and the precision of injection molds, but the processing mode of the traditional injection molds is still dependent on the technical requirements of personnel, so that enterprises have great difficulty in management, meanwhile, under the artificial operation, the problem of high artificial error rate is always present, and great difficulty is brought to the quality control of the enterprises, and meanwhile, the production efficiency is low.
Chinese patent CN104551579a relates to a CAD/CAE/CAM based injection mold manufacturing method, comprising the following process steps: a. designing a mould, namely 3E modeling is carried out on each structural part of the mould by adopting three-dimensional software, and a mould assembly diagram is manufactured; b. manufacturing engineering drawings of all parts and making a die tolerance standard; c. manufacturing an injection mold, namely designing a CAM cutter sequence and introducing a CNC manufacturing process, an EEM manufacturing process, a WEEM manufacturing process and a grinding process; step d: soaking the mold in special vegetable oil for more than 24 hours; e. and (5) detecting a mold. The beneficial effects of the invention are as follows: the CAD design link of the prototype graph of the die can avoid the problems in actual processing according to the simulation analysis of the graph, so that the overall design of the die is further optimized, and the reliable implementation of the subsequent process is ensured; the mould is soaked in vegetable oil for more than 24 hours, so that the precision, the service life and the qualification rate of injection products of the mould can be obviously improved. Although the invention discloses various departments such as CAM programming and CNC, the invention focuses on mold detection, and also involves special vegetable oil proportion and the like, has complex operation and can not realize the function of automatic compensation under the condition of processing errors.
Chinese patent CN110209121a discloses a processing program post-processing method and a light guide bar mold processing method, which belong to the field of mold manufacturing. The device comprises the following steps: reading information of the CAM program list; carrying out automatic batch allocation of tool information in the CAM program list; program selective combination is carried out on the same tool of different workpieces; automatic serial program and serial program list printing are adopted, so that the automation process is improved and the error rate is reduced. Also provided is a mold processing method including: calculating numerical control data according to the mold processing process; selecting a machining tool with a diameter tolerance within 0.002 mm; processing by a processing program to obtain processing numerical control data; controlling the room temperature at 20-21 ℃ and keeping constant temperature; the radial runout of the main shaft in the installation state of the processing cutter is adjusted to be within 0.001 mm; preheating a main shaft to 25-26 ℃; according to the processing numerical control data, the processing quality can be effectively improved. The present invention relates to CNC program and secondary NC program obtained through CAM processing, but discloses CMM detection, and does not disclose related technical proposal whether automatic compensation can be performed under the condition of processing error in detection.
Chinese patent CN104199424a provides an RFID-based electrode full life cycle control system comprising a CNC numerical control machine for machining electrodes, a tool setting presetter for measuring electrodes, an EDM numerical control machine for machining die workpieces with electrodes, and an electrode holder. The system comprises a CAM design PC, an electrode warehouse entrance PC, a CNC workshop integrated machine, a CMM workshop measurement PC and an EDM workshop integrated machine, and an RFID anti-metal electronic tag, an RFID reader-writer and an electrode system server which are arranged on an electrode seat; the CAM design PC, the electrode warehouse entrance PC, the CNC workshop integrated machine, the CMM workshop measurement PC and the EDM workshop integrated machine are communicated with the electrode system server through Ethernet. The invention also provides a control method based on the system, which covers the processes of CAM design, electrode delivery, CNC process, CMM process, EDM process and electrode recovery of the whole life cycle of the electrode. The invention discloses an intelligent control of the whole life cycle of the electrode involved in the manufacturing process of the die by means of RFID technology and information technology, and does not disclose a related technical scheme whether automatic compensation can be performed under the condition of processing errors in detection.
Chinese patent CN108481662a discloses an automatic processing system and method, and the system includes injection molding machine hopper and injection molding barrel, the injection molding machine hopper passes through the conveying pipeline and connects in the injection molding barrel, injection molding barrel symmetry is provided with two and welded fastening respectively in the frame, the mid-mounting of frame has biax motor, two output shafts of biax motor have the screw rod of moulding plastics through flange fixed connection respectively, threaded connection has the piston on the screw rod of moulding plastics, the equal welded fastening in both ends of frame has the fixed plate, be connected with injection mold through the material return pneumatic cylinder on the fixed plate, install heating coil on the outer wall of injection molding barrel. According to the invention, through the double-shaft motor, two injection molding screws can be driven simultaneously, so that two pistons are driven to keep the same direction movement, one injection molding machine barrel is in the injection molding process, and the other injection molding machine barrel is in the material sucking process, so that alternate injection molding is realized, and the injection molding efficiency is greatly improved. Although the invention discloses an automatic processing system and method in the injection molding process, how to control all departments in the processing process is not disclosed, namely the technical problems of high error rate and low production efficiency still exist.
Disclosure of Invention
The invention provides an automatic processing system and method for a plastic mold, which are used for solving the problems of high error rate, low production efficiency and the like in the existing injection molding process.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
The system comprises a CAM electrode programming module, a system data storage module and a system operation module, wherein the system operation module comprises a CNC tool path processing module, a CMM detection data module and an EDM processing program discharging module;
The CAM electrode programming module transmits data to the system data storage module for storage, the system data storage module transmits data information to the CNC cutter path processing module, the data information processed by the CNC cutter path processing module is transmitted to the CMM detection data module, the data information detected by the CMM detection data module is transmitted to the EDM processing program discharging module, and the CNC cutter path processing module, the CMM detection data module and the EDM processing program discharging module are sequentially in communication connection.
Further, identical tool paths in the CNC tool path processing module are automatically connected in series.
A method of processing for plastic mold electrode automation, comprising a processing system for plastic mold electrode automation, the steps comprising:
Step S1: after finishing electrode programming by the CAM electrode programming module through UG software, automatically generating a two-dimensional code for identifying machining, and enabling data information after finishing electrode programming to enter a CNC cutter path machining module of a machining system for machining;
step S2: the program information processed and calculated by the CNC tool path processing module is transmitted to the CMM detection data module, the information received by the CMM detection data module is detected, and if the detected and processed physical shape is matched with the shape designed by the computer within the range of error values, the step S3 is carried out; if not, returning to the step S1;
Step S3: after the detection is finished, the calculated most matched numerical value is transmitted to an EDM processing program discharging module to be automatically processed through identifying the two-dimensional code, and if a processing error exists between a real object and a design drawing, the data detected by a CMM detection data module is compared with 3D data and is automatically compensated until the processing error does not exist; if there is no machining error, the operation is ended.
Further, the CNC tool path machining module, the CMM detection data module and the EDM machining program discharging module in the automated machining system in step S1 are sequentially connected in series.
Further, when the system operation module in step S2 performs operation, the code of the operation of the machine is received, then the received code is identified and rearranged, further an instruction for executing the operation is generated, the system operation is performed, and then the operation result is transferred to the next module.
Further, in the step S2, it is detected whether the shape of the object and the design match within a range of error values, where the error values are tolerance values set by the drawing, and the range of the tolerance values is 0mm-0.015mm.
Further, the machining error value existing after the data detected by the CMM detection data module and the 3D data are compared in step S3 refers to a tolerance value set by the drawing, and the range of the machining error value is 0mm-0.015mm.
Further, the 3D data appearing in programming refers to a drawing for programming.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention replaces the time of taking the height and the serial program in the former manual division of CNC processing department, and is completed by a person with certain experience, and even the person without working experience can realize simple operation by being familiar with the machine table button;
(2) For the existing CMM department, the CMM department needs to call the electrode from the CAM department by the former personnel to carry out detection and programming for a plurality of times, and needs experienced personnel to carry out control, but the invention can directly realize the detection link by only identifying the two-dimensional code therein, and can realize the detection by only needing a button with simple operation;
(3) The CMM detection data module in the invention will enter the system operation again, calculate the most matched numerical value for EDM processing program discharge module to scan the code and process automatically, will also compensate automatically to the position with processing error at the same time, can promote the processing quality greatly;
(4) According to the CAM programming and importing system, the CAM is used for completing programming and importing the system, the traditional CAM is used for manually programming and writing programs in series, the code scanning processing is directly performed at present, the technical requirements of personnel are reduced, and the processing efficiency is improved.
Drawings
FIG. 1 is a block flow diagram of an automated processing system of the present invention;
FIG. 2 is a flow chart of an automated process;
Fig. 3 is an overall schematic diagram of a processing system.
Detailed Description
In order to make the objects and technical solutions of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to examples.
Example 1
According to the processing system for plastic mold electrode automation shown in fig. 1, the processing system comprises a CAM electrode programming module, a system data storage module and a system operation module, wherein the system operation module comprises a CNC tool path processing module, a CMM detection data module and an EDM processing program discharging module; the CAM electrode programming module transmits data to the system data storage module for storage, the system data storage module transmits data information to the CNC cutter path processing module, the data information processed by the CNC cutter path processing module is transmitted to the CMM detection data module, the data information detected by the CMM detection data module is transmitted to the EDM processing program discharging module, and the CNC cutter path processing module, the CMM detection data module and the EDM processing program discharging module are sequentially in communication connection.
At least two identical cutter paths are automatically connected in series in the CNC cutter path processing module, so that the working efficiency is improved, the operation of manually connecting the cutter paths in series in the prior art is replaced, and the automatic operation is realized.
According to the processing method for automating the plastic mold electrode shown in fig. 2, the specific steps include: step S1: after finishing electrode programming by the CAM electrode programming module through UG software, automatically generating a two-dimensional code for identifying machining, and enabling data information after finishing electrode programming to enter a CNC cutter path machining module of a machining system for machining; the CNC tool path machining module, the CMM detection data module and the EDM machining program discharging module in the automatic machining system in the step S1 are sequentially connected in series;
Step S2: the program information processed and calculated by the CNC tool path processing module is transmitted to the CMM detection data module, the information received by the CMM detection data module is detected, and if the detected and processed physical shape is matched with the shape designed by the computer within the range of error values, the step S3 is carried out; if not, returning to the step S1; specifically, when the system operation module in the step S2 performs operation, the code of the operation of the machine is received, then the received code is identified and rearranged, further an instruction for executing the operation is generated, the system operation is performed, and then the operation result is transmitted to the next module; and in the step S2, whether the physical object and the designed shape are matched within the range of error values is detected, wherein the error values are tolerance values set by the drawing, and the range of the tolerance values is 0mm-0.015mm. And the concrete processed object is not limited.
Step S3: after the detection is finished, the detected data are input into the CMM detection data module again to carry out detection operation, the most matched numerical value is calculated and transmitted to the EDM processing program discharging module to carry out code scanning automatic processing, the data detected by the CMM detection data module are compared with 3D data and are automatically compensated if the processing error value exists between the real object and the design drawing file based on the design, and if the processing error does not exist, the operation is ended. Specifically, in step S3, the machining error value existing after the data detected by the CMM detection data module and the 3D data are compared refers to the tolerance value set in the drawing, and the range of the machining error value is 0mm-0.015mm. Wherein, the 3D data appearing in programming refers to a figure file for programming.
And all electrode processing of traditional EDM department all need manual clamping, school table, divide, then write electric discharge program processing through the professional master-slave level personnel of EDM department, after using this system of this set, only need divide the number completion in the first time, all electrode coordinate data will run the position automatically, need not personnel to participate in, can promote processing production efficiency by a wide margin like this, also avoid personnel's possibility of making mistakes simultaneously. Specifically, the CAM department, CNC department, CMM department and EDM department correspond to the CAM electrode programming module, CNC tool path processing module, CMM detection data module and EDM processing program discharging module respectively, that is, the CAM department can realize the programming operation of the CAM electrode programming module, the CNC department can realize the processing operation of the CNC tool path processing module, the CMM department can realize the detection operation of the CMM detection data module, and the EDM department can realize the processing operation of the EDM processing program discharging module.
As shown in fig. 3, an overall schematic diagram of the processing system is shown, and specific working principles are as follows: the CAM programming department transmits data to the MTS, which controls the uploading and downloading of programs, and the user performs operations on the application APP, fileserver and DB through WEB. All programs are completed by CAM, and can be put into system operation after completion, and in the process of information transmission, the system automatically operates on the server through a company erection server, and the server is identified by code scanning on site, and the instructions are transmitted to a machine for processing.
The foregoing is a description of embodiments of the invention, which are specific and detailed, but are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (4)
1. A processing method for automating plastic mould electrode is characterized in that, the processing system of automating plastic mould electrode,
The system comprises a CAM electrode programming module, a system data storage module and a system operation module, wherein the system operation module comprises a CNC tool path processing module, a CMM detection data module and an EDM processing program discharging module;
the CAM electrode programming module transmits data to the system data storage module for storage, and the system data storage module
Transmitting the data information to a CNC cutter path processing module, transmitting the data information processed by the CNC cutter path processing module to a CMM detection data module, and transmitting the data information detected by the CMM detection data module to an EDM processing program discharging module, wherein the CNC cutter path processing module, the CMM detection data module and the EDM processing program discharging module are sequentially in communication connection;
the method comprises the following steps:
Step S1: after finishing electrode programming by the CAM electrode programming module through UG software, automatically generating a two-dimensional code for identifying machining, and enabling data information after finishing electrode programming to enter a CNC cutter path machining module of a machining system for machining;
Step S2: the program information processed and calculated by the CNC tool path processing module is transmitted to the CMM detection data module, the CMM detection data module detects according to the received information, and if the detected and processed physical shape is matched with the shape designed by the computer within the range of error values, the step S3 is carried out; if not, returning to the step S1; when the system operation module performs operation, the code of the operation of the machine is received, the received code is identified and rearranged, an instruction for executing the operation is generated, the system operation is performed, and the operation result is transmitted to the next module; detecting whether the shapes of the real object and the design are matched within the range of error values, wherein the error values are tolerance values set by a drawing, and the range of the tolerance values is 0mm-0.015mm;
step S3: after the detection is finished, the detected data are input into a CMM detection data module again to carry out detection operation, the calculated and matched numerical value is transmitted to an EDM processing program discharging module to carry out automatic processing through identifying the two-dimensional code, and if processing errors exist between a real object and a designed drawing file, the data detected by the CMM detection data module are compared with 3D data and are automatically compensated until the processing errors do not exist; if no machining error exists, ending the operation; the machining error value after the data detected by the CMM detection data module and the 3D data are compared refers to a tolerance value set by a drawing, and the range of the machining error value is 0mm-0.015mm.
2. The method according to claim 1, wherein the CNC tool path processing module, the CMM inspection data module and the EDM processing program discharging module in the automated processing system in step S1 are sequentially connected in series.
3. The method for automated plastic mold electrode processing of claim 1, wherein the step of braiding
The 3D data appearing in the program refers to the drawing file for programming.
4. The method of claim 1, wherein identical lanes in the CNC lane processing module are automatically connected in series.
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