CN110039818B - Mould identification system based on composite material hydraulic press - Google Patents
Mould identification system based on composite material hydraulic press Download PDFInfo
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- CN110039818B CN110039818B CN201910393340.8A CN201910393340A CN110039818B CN 110039818 B CN110039818 B CN 110039818B CN 201910393340 A CN201910393340 A CN 201910393340A CN 110039818 B CN110039818 B CN 110039818B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
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Abstract
The invention discloses a die identification system based on a composite material hydraulic machine, which belongs to the technical field of composite material presses and is characterized in that: at least comprises the following steps: the main control industrial personal computer is used for carrying out man-machine conversation; the master control PLC is used for storing the production parameters of the die and the special process data; the master control PLC is provided with an aviation plug for receiving the mold number; each mold is provided with a unique number, and each number corresponds to a unique mold production parameter and special process data; the master control industrial personal computer and the master control PLC carry out data interaction through the Ethernet; and the master control PLC sends a control instruction to the composite material hydraulic machine through the slave station. The invention does not need an online operator to have excessive understanding on the production process, only needs a technologist to accurately adjust the production parameters in the process of trial production of a new die, selects special functions required by the die, and stores the production parameters and the selected parameters of the current die in a control system of the hydraulic press.
Description
Technical Field
The invention belongs to the technical field of composite material presses, and particularly relates to a die identification system based on a composite material hydraulic press.
Background
In recent years, with more and more automobile parts adopting composite material products, the composite material has the advantages of light weight, high strength, large design freedom, no corrosion, good forming manufacturability and the like, and becomes an ideal processing material for replacing steel with plastic in automobile production.
In recent years, the production process of composite material products is increasingly complex, which not only has higher requirements on the performance of a press, but also has more rigorous requirements on composite material molds. In the production process of the composite material product, the process is complex, the production parameters are various, and some special functions need to be set. However, the production parameters and special functions corresponding to different products are different, so that an operator needs to know a certain product process in the production process, can accurately set the production parameters, and select the corresponding special functions. However, in the current production plant, the understanding of the process by operators in the production line is uneven, and the replacement and change of the operators are frequent, so that the manufacturers cannot perfectly control the product process, and the finally produced composite material products have uneven quality and are not uniform.
Disclosure of Invention
The invention provides a die identification system based on a composite material hydraulic machine, aiming at the technical problems in the prior art, the die identification system based on the composite material hydraulic machine can automatically call corresponding die production parameters and special processes stored in a data block after a master control PLC of the composite material hydraulic machine reads a die number through an aviation socket, and sends the die parameters to a human-computer interface of an industrial personal computer. After confirming the parameters by field operators, downloading the parameters into a control program of the PLC to realize normal product production.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
a composite hydraulic machine based mold identification system comprising at least:
the main control industrial personal computer is used for carrying out man-machine conversation;
the master control PLC is used for storing the production parameters of the die and the special process data; the master control PLC is provided with an aviation plug for receiving the mold number; each mold is provided with a unique number, and each number corresponds to a unique mold production parameter and special process data;
the master control industrial personal computer and the master control PLC carry out data interaction through the Ethernet;
and the master control PLC sends a control instruction to the composite material hydraulic machine through the slave station.
Further: the die number is encoded by means of BCD codes.
Further: the mold production parameter is a UDT data type.
The invention has the advantages and positive effects that:
by adopting the technical scheme, the invention does not need an online operator to have excessive understanding on the production process, only needs a technologist to accurately adjust the production parameters in the process of trial production of a new die, selects the special functions required by the die, and stores the production parameters and the selected parameters of the current die in the control system of the hydraulic machine. Therefore, production parameters and functions required by the die do not need to be reset by a line operator, and the operation system of the hydraulic press is used for intelligent identification and intelligent control. Therefore, human errors which can be avoided are reduced, the production efficiency of products is improved, and the quality and the yield of the products are improved.
Description of the drawings:
FIG. 1 is a block diagram of the architecture of the preferred embodiment of the present invention;
FIG. 2 is a program interface for identifying a control module in a preferred embodiment of the present invention;
fig. 3 is a display example of the setting of the mold parameters in the preferred embodiment of the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
the invention discloses a die identification system based on a composite material hydraulic machine, which comprises a master control PLC, a master control industrial personal computer, a motion controller, an aviation socket and the like.
The setting picture in the industrial control machine of the composite material hydraulic machine can set the production parameters of the die and select the special process required by the die. The industrial personal computer and the master control PLC are connected through the Ethernet, and the production parameters and the special process data of the die can be stored in the data block of the PLC. The master control PLC can read the serial number of the mold through the aviation socket, the mold serial number is coded in a BCD code mode, and meanwhile the code of the mold can be stored in the data block of the PLC. When the die is installed in the composite material hydraulic press, the master control PLC of the press can read the serial number of the die, automatically transfers the production parameters and the special process data of the die from the data block to be matched with the die of the press, downloads the production parameters and the special process data into the control program of the master control PLC, and sends the production parameters and the special process data to the industrial personal computer to be displayed, so that the intelligent identification of the die is completed.
Referring to fig. 1, the present invention includes a master control computer, a master control PLC, a motion controller, an eight-port exchanger, and a mold aviation socket.
See table 1. The encoding mode of the mold in the intelligent mold identification system adopts BCD codes. The BCD code (Binary-coded decimal) is also known as Binary coded decimal or Binary-decimal code. And 4-bit binary numbers are used for representing 10 digits of 0-9 in the 1-bit decimal number. Is a binary digital coding form, and uses binary coded decimal code. The BCD code uses four bits to store a decimal number, so that the conversion between binary and decimal can be quickly carried out,
TABLE 1 Intelligent mould coding table
Please refer to table 2, the UDT complex data type of the mold production parameters is established in the master PLC. The production parameters of composite press molds are very complex, utilizing a variety of data types, such as floating point, integer, double integer, string, etc. The function required for die identification cannot be satisfied by the function of the common data block, so that a UDT complex data type is established in the PLC.
Table 2 UDT data type table
Referring to fig. 3, a large-capacity data block is established in the master control PLC, which can satisfy the storage of production parameters of 256 sets of molds. The data block accesses the UDT complex data type to match the data type of the mold production parameters.
Table 3 UDT data storage block table
Referring to fig. 2, a program control block is established in the master PLC to implement functions of saving, uploading, downloading, deleting, modifying, etc. the mold parameters. The common die parameters are stored in a formula control of the touch screen, and only the modification, storage and downloading of the current die parameters can be realized, but the current die cannot be automatically identified, and the production parameters of the current die cannot be automatically downloaded. The most powerful function of the program control block compiled in the intelligent mold identification system is to realize the automatic identification of the current mold number and automatically call the corresponding mold production parameters into the control program of the PLC. The mould identification program control block is programmed in the PLC, realizes the automatic identification of the current mould number by using codes, can store the production parameters of the current mould, can upload or download the production parameters of the current mould, and can delete the mould parameters which are not used.
Referring to fig. 3, a mold production parameter setting interface is established in the industrial personal computer, and the process parameters of the mold in the production process are mainly set. The method mainly comprises the steps of setting the position and speed of the whole stroke of the composite material press, setting the multi-section pressure and the multi-section pressure maintaining time required by the die in the production process and setting the exhaust technological parameters required by the die. 256 sets of die parameters can be changed, stored, deleted and manually identified in the picture, and the setting frame of each parameter has corresponding upper and lower limit protection to prevent the parameters of an operator from being set by mistake.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (1)
1. A mould identification system based on a composite material hydraulic machine is characterized in that: at least comprises the following steps:
the main control industrial personal computer is used for carrying out man-machine conversation; establishing a mould production parameter setting interface in the master control industrial personal computer, setting the technological parameters of the mould in the production process, wherein the mould production parameter setting comprises the position setting and the speed setting of the whole stroke of the composite material press, the setting of multi-section pressure setting and multi-section pressure maintaining time required by the mould in the production process and the setting of the exhaust technological parameters required by the mould, and changing, storing, deleting and manually identifying the parameters of 256 sets of moulds, and the setting frame of each parameter has corresponding upper and lower limit protection;
the master control PLC is used for storing the production parameters of the die and the special process data; the master control PLC is provided with an aviation plug for receiving the mold number; each mold is provided with a unique number, and each number corresponds to a unique mold production parameter and special process data; the master control PLC is used for establishing mold production parameters of the UDT data type; the mold number is coded by adopting a BCD code mode; establishing a data block meeting the storage requirement of 256 sets of mold production parameters in the master control PLC, wherein the data block accesses the UDT data type and is matched with the data type of the mold production parameters; a program control block for realizing the functions of saving, uploading, downloading, deleting and modifying the die parameters is established in the master control PLC;
the master control industrial personal computer and the master control PLC carry out data interaction through the Ethernet;
the master control PLC sends a control instruction to the composite material hydraulic machine through the slave station;
when the die is installed in the composite material hydraulic machine, the master control PLC of the composite material hydraulic machine reads the serial number of the die, automatically calls the production parameters and the special process data of the die from the data block to be matched with the die of the press, downloads the called production parameters and the special process data of the die into a control program of the master control PLC, and sends the parameters and the special process data to the master control industrial personal computer to be displayed, so that the intelligent identification of the die is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910393340.8A CN110039818B (en) | 2019-05-13 | 2019-05-13 | Mould identification system based on composite material hydraulic press |
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| CN201910393340.8A CN110039818B (en) | 2019-05-13 | 2019-05-13 | Mould identification system based on composite material hydraulic press |
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| CN110039818B true CN110039818B (en) | 2021-06-08 |
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| CN110572162B (en) * | 2019-07-29 | 2023-02-21 | 邯郸钢铁集团有限责任公司 | Method for filtering error codes in BCD (binary coded decimal) codes in PLC (programmable logic controller) |
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| JP4565633B2 (en) * | 2005-01-25 | 2010-10-20 | 株式会社アマダ | Bending machine |
| CN100513149C (en) * | 2006-10-19 | 2009-07-15 | 天津市天锻压力机有限公司 | Electric control structure for hydraulic press automatic mould changing device |
| CN202045907U (en) * | 2011-03-28 | 2011-11-23 | 江苏扬力集团有限公司 | Press machine capable of identifying molds |
| CN102658666B (en) * | 2012-04-26 | 2015-05-27 | 长城汽车股份有限公司 | Multistation press, using method and die identification system |
| CN202715731U (en) * | 2012-07-04 | 2013-02-06 | 金丰机器工业股份有限公司 | Mold identification device of punching machine |
| CN108620522A (en) * | 2018-03-30 | 2018-10-09 | 天津市天锻压力机有限公司 | Hydraulic press production technology based on mold identifying system |
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