CN114074390A - Processing system and method for plastic mold electrode automation - Google Patents
Processing system and method for plastic mold electrode automation Download PDFInfo
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- CN114074390A CN114074390A CN202111396936.7A CN202111396936A CN114074390A CN 114074390 A CN114074390 A CN 114074390A CN 202111396936 A CN202111396936 A CN 202111396936A CN 114074390 A CN114074390 A CN 114074390A
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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
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- 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]
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- 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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Abstract
The invention discloses a processing system and a method for automation of plastic mould electrodes, which relate to the processing field, wherein the system comprises a CAM electrode programming module, a system data storage module, a CNC tool path processing module, a CMM detection data module and an EDM processing program discharging module; the method comprises the following steps that a CAM electrode programming module finishes electrode programming through UG software and enters a 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 object is matched with the shape designed by the computer; inputting the detected data into the CMM detection data module again for detection, calculating the most matched numerical value, transmitting the most matched numerical value to the next module for code scanning processing, and judging whether a processing error exists or not; according to the invention, the CAM finishes programming and importing the system, and 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 constantly promoting to injection mold's progress and requirement of precision, but traditional injection mold's processing mode still relies on personnel's technical requirement always, and this makes the enterprise have very big difficulty in the management, simultaneously, under artificial operation, has the problem that artificial mistake rate is high always, and this quality management and control for the company has also brought very big degree of difficulty, makes production efficiency low simultaneously.
Chinese patent CN104551579A relates to a CAD/CAE/CAM-based injection mold manufacturing method, which comprises the following process steps: a. designing a mould, namely performing 3E modeling on each structural part of the mould by adopting three-dimensional software, and manufacturing a mould assembly drawing; b. manufacturing engineering drawings of all parts and establishing a tolerance standard of a mold; c. manufacturing an injection mold, designing a CAM cutter path program, and importing 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 over 24 hr; e. and (6) detecting the die. The invention has the beneficial effects that: in the CAD design link of the mould prototype drawing, the problems in actual processing can be avoided according to the simulation analysis of the drawing, so that the integral design of the mould is further optimized, and the reliable implementation of the subsequent process is ensured; the mould is soaked in the 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 the application of various departments such as CAM programming, CNC and the like, the invention focuses on die detection, also relates to the proportion of special vegetable oil and the like, has complex operation and can not realize the function of automatic compensation under the condition of processing error.
Chinese patent CN110209121A discloses a processing program post-processing method and a light guide bar mold processing method, belonging to the mold manufacturing field. The device comprises the following steps: reading the information of the CAM program list; automatically batching tool information in the CAM program list; selectively combining the programs of the same tools of different workpieces; automatic serial program and printing serial program list, so as to improve automation process and reduce error rate. Also provided is a mold processing method comprising: calculating numerical control data according to the mould processing technological process; selecting a machining cutter with the diameter tolerance within 0.002 mm; processing the processing program to obtain processing numerical control data; controlling the room temperature at 20-21 ℃, and keeping the temperature constant; adjusting the radial runout of the main shaft in the installation state of the machining cutter within 0.001 mm; preheating a main shaft to 25-26 ℃; and the processing is carried out according to the processing numerical control data, so that the processing quality can be effectively improved. The invention relates to a CNC program list and a secondary NC program obtained by CAM processing, but does not disclose related technical schemes for disclosing CMM detection and automatically compensating whether machining errors occur in detection or not.
Chinese patent CN104199424A provides an RFID-based electrode full life cycle control system, which includes a CNC numerical control machine for machining electrodes, a tool setting presetting gauge for measuring electrodes, an EDM numerical control machine for machining mold workpieces with electrodes, and an electrode holder. The system comprises a CAM design PC, an electrode warehouse entrance PC, a CNC workshop all-in-one machine, a CMM workshop measurement PC, an EDM workshop all-in-one machine, an RFID anti-metal electronic tag, an RFID reader-writer and an electrode system server, wherein the RFID anti-metal electronic tag, the RFID reader-writer and the electrode system server are arranged on an electrode holder; the CAM design PC machine, the electrode warehouse entrance PC machine, the CNC workshop all-in-one machine, the CMM workshop measurement PC machine and the EDM workshop all-in-one 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 ex-warehouse, CNC process, CMM process, EDM process and electrode recovery of the whole life cycle of the electrode. The invention realizes the intelligent control of the whole life cycle of the electrode involved in the manufacturing process of the die by means of the RFID technology and the information technology, and does not disclose the related technical scheme for automatically compensating whether the processing error occurs in the detection.
Chinese patent CN108481662A discloses an automated processing system and method, the system includes injection molding machine hopper and injection molding machine barrel, the injection molding machine hopper passes through the conveying pipeline and connects in the injection molding machine barrel, the injection molding machine barrel symmetry is provided with two and welded fastening respectively in the frame, the mid-mounting of frame has the biax motor, two output shafts of biax motor are respectively through flange fixed connection have the screw rod of moulding plastics, threaded connection has the piston on the screw rod of moulding plastics, the both ends of frame all welded fastening have the fixed plate, be connected with injection mold through the material returned pneumatic cylinder on the fixed plate, install heating coil on the outer wall of injection molding machine barrel. According to the invention, two injection molding screws can be driven simultaneously by the double-shaft motor, so that two pistons are driven to keep moving in the same direction, one injection molding machine barrel can be in the injection molding process, and the other injection molding machine barrel is in the material suction 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 an 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, aiming at solving the problems of high error rate, low production efficiency and the like in the existing injection molding process.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a processing system for automation of plastic mould electrodes 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 tool path machining module, the data information processed by the CNC tool path machining module is transmitted to the CMM detection data module, the data information detected by the CMM detection data module is transmitted to the EDM machining program discharging module, and the CNC tool path machining module, the CMM detection data module and the EDM machining program discharging module are sequentially in communication connection.
Further, the same tool paths in the CNC tool path machining module are automatically connected in series.
A processing method for the automation of plastic mold electrodes comprises a processing system for the automation of the plastic mold electrodes, and comprises the following steps:
step S1: after the CAM electrode programming module finishes electrode programming through UG software, a two-dimensional code for identifying machining is automatically generated, and data information after electrode programming enters a CNC tool path machining module of a machining system for machining;
step S2: transmitting the program information processed and calculated by the CNC tool path processing module to a CMM detection data module, detecting by the CMM detection data module according to the received information, and performing step S3 if the shape of the processed real object is matched with the shape designed by the computer within the range of an error value; if not, returning to step S1;
step S3: after the detection is finished, the calculated most matched numerical value is transmitted to an EDM processing program discharge module to be automatically processed through identifying the two-dimensional code, if a processing error exists between a real object and a design drawing file, data detected by a CMM detection data module is compared with 3D data, and automatic compensation is carried out until no processing error exists; if there is no machining error, the operation is ended.
Further, the CNC tool path processing module, the CMM detection data module and the EDM processing program discharging module in the automatic processing system in the step S1 are connected in series in sequence.
Further, when the system operation module performs the operation in step S2, the code of the operation action of the machine itself is received, and then the received code is identified and rearranged, so as to generate an instruction for executing the action, perform the system operation, and transmit the operation result to the next module.
Further, in the step S2, it is detected whether the real object and the designed shape are matched within a range of an error value, where the error value is a tolerance value set on the drawing, and the range of the tolerance value is 0mm to 0.015 mm.
Further, the machining error value existing after the comparison between the data detected by the CMM detection data module and the 3D data in step S3 is a tolerance value set on the drawing, and the range of the machining error value is 0mm to 0.015 mm.
Further, the 3D data appearing in the 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 manually taking height and program string in advance by CNC processing departments, and the time needs to be completed by personnel with certain experience, and the simple operation can be realized by the personnel without working experience as long as the personnel is familiar with the machine buttons;
(2) for the existing CMM department, the previous personnel need to call the electrodes in the CAM department to carry out detection and programming for many times, and the experienced personnel need to control the electrodes, but the invention can directly realize the detection link only by identifying the two-dimensional codes, and can realize the detection only by operating simple buttons;
(3) the CMM detection data module of the invention enters the system operation again, calculates the best matched numerical value for the EDM processing program discharge module to carry out code scanning automatic processing, and simultaneously carries out automatic compensation aiming at the position with processing error, thereby greatly improving the processing quality;
(4) according to the invention, the CAM finishes programming and importing into the system, and through system operation, the traditional CNC manual programming and program serial writing are required, and the code scanning processing is directly performed at present, so that 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 processing method;
fig. 3 is an overall schematic diagram of the processing system.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the following will clearly and completely describe the technical solution of the present invention with reference to the embodiments.
Example 1
The machining system for the automation of the plastic mould electrode shown in the figure 1 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 machining module, a CMM detection data module and an EDM machining 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 tool path machining module, the data information processed by the CNC tool path machining module is transmitted to the CMM detection data module, the data information detected by the CMM detection data module is transmitted to the EDM machining program discharging module, and the CNC tool path machining module, the CMM detection data module and the EDM machining program discharging module are sequentially in communication connection.
At least two same tool paths are automatically connected in series in the CNC tool path machining module, so that the work efficiency is improved, the operation of the existing manual tool path connection in series is replaced, and the automatic operation is realized.
According to the method for automatically processing the plastic mold electrode shown in fig. 2, the method comprises the following specific steps: step S1: after the CAM electrode programming module finishes electrode programming through UG software, a two-dimensional code for identifying machining is automatically generated, and data information after electrode programming enters a CNC tool path machining module of a machining system for machining; wherein the CNC tool path machining module, the CMM detection data module and the EDM machining program discharging module of the automatic machining system in the step S1 are connected in series in sequence;
step S2: transmitting the program information processed and calculated by the CNC tool path processing module to a CMM detection data module, detecting by the CMM detection data module according to the received information, and performing step S3 if the shape of the processed real object is matched with the shape designed by the computer within the range of an error value; if not, returning to step S1; specifically, when the system operation module performs operation in step S2, the code of the operation action of the machine itself is received, and then the received code is identified and rearranged, so as to generate an instruction for executing the action, perform the system operation, and transmit the operation result to the next module; and step S2, it is detected whether the real object and the designed shape are matched within a range of an error value, wherein the error value is a tolerance value set on the drawing, and the range of the tolerance value is 0mm-0.015 mm. And the concrete processed material object is not limited.
Step S3: after the detection is finished, the detected data is input into the CMM detection data module again for detection operation, the best matched numerical value is calculated and transmitted to the EDM processing program discharge module for code scanning automatic processing, if the design is taken as a reference, the real object and the design drawing have processing error values, the data detected by the CMM detection data module is compared with the 3D data for automatic compensation, and if the processing error does not exist, the operation is finished. Specifically, the machining error value existing after the comparison between the data detected by the CMM detection data module and the 3D data in step S3 is a tolerance value set on the drawing, and the range of the machining error value is 0mm to 0.015 mm. The 3D data appearing during programming refers to a drawing for programming.
And all electrode machining of the traditional EDM department needs manual clamping, meter calibration and centering, then the worker at the father level of the EDM department profession writes the electric discharge program machining, after the system is used, all electrode coordinate data can automatically run away after counting is completed in the first time without the participation of personnel, thus greatly improving the machining production efficiency and simultaneously avoiding the possibility of mistake of personnel. Specifically, the CAM department, the CNC department, the CMM department, and the EDM department correspond to the CAM electrode programming module, the CNC tool path machining module, the CMM detection data module, and the EDM machining program discharging module, respectively, that is, the CAM department may implement the programming operation of the CAM electrode programming module, the CNC department may implement the machining operation of the CNC tool path machining module, the CMM department may implement the detection operation of the CMM detection data module, and the EDM department may implement the machining operation of the EDM machining program discharging module.
As shown in fig. 3, an overall schematic diagram of the processing system is specifically described as follows: the CAM programming department transmits data to the MTS, the MTS controls the computer equipment for uploading and downloading programs, and a user realizes the operation of the application programs APP, Fileserver and DB through WEB. All programs are completed by CAM, and can be put into system operation after completion, and in the course of information transmission, the system can automatically operate in server by means of company erection server, and can utilize code scanning to identify instruction for server, and can transfer it into machine table to make processing.
The above are merely embodiments of the present invention, which are described in detail and with particularity, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are within the scope of the present invention.
Claims (8)
1. A processing system for automation of plastic mould electrodes is characterized by comprising 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 tool path machining module, the data information processed by the CNC tool path machining module is transmitted to the CMM detection data module, the data information detected by the CMM detection data module is transmitted to the EDM machining program discharging module, and the CNC tool path machining module, the CMM detection data module and the EDM machining program discharging module are sequentially in communication connection.
2. The machining system for plastic mold electrode automation of claim 1, wherein the same tool paths in the CNC tool path machining module are automatically connected in series.
3. A method for automatically processing plastic mold electrodes, comprising the processing system for automatically processing plastic mold electrodes as claimed in any one of claims 1 to 2, comprising the steps of:
step S1: after the CAM electrode programming module finishes electrode programming through UG software, a two-dimensional code for identifying machining is automatically generated, and data information after electrode programming enters a CNC tool path machining module of a machining system for machining;
step S2: transmitting the program information processed and calculated by the CNC tool path processing module to a CMM detection data module, detecting by the CMM detection data module according to the received information, and performing step S3 if the shape of the processed real object is matched with the shape designed by the computer within the range of an error value; if not, returning to step S1;
step S3: after the detection is finished, the calculated most matched numerical value is transmitted to an EDM processing program discharge module to be automatically processed through identifying the two-dimensional code, if a processing error exists between a real object and a designed drawing, the data detected by the CMM detection data module is compared with the 3D data, and automatic compensation is carried out until no processing error exists; if there is no machining error, the operation is ended.
4. The method as claimed in claim 3, wherein the CNC tool path machining module, the CMM detection data module and the EDM program discharge module of the automated machining system in step S1 are connected in series.
5. The method as claimed in claim 3, wherein the operation of the systematic operation module in step S2 is performed by receiving codes of operation actions of the machine itself, recognizing and rearranging the received codes, generating instructions for executing the actions, performing systematic operation, and transmitting the operation result to the next module.
6. The method as claimed in claim 3, wherein the step S2 is performed to determine whether the shape of the object and the design match within a tolerance range, wherein the tolerance range is 0mm-0.015 mm.
7. The method as claimed in claim 3, wherein the machining error existing after comparing the data detected by the CMM detection data module with the 3D data in step S3 is a tolerance value set on the drawing, and the machining error is in a range of 0mm to 0.015 mm.
8. The method as claimed in claim 3, wherein the 3D data generated during the programming is a graphic file for programming.
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