CN111898847B - Numerical control punch and identity management method for mold etching two-dimensional code for numerical control bender - Google Patents
Numerical control punch and identity management method for mold etching two-dimensional code for numerical control bender Download PDFInfo
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Abstract
According to the identity management method for the two-dimensional code of the die for the numerical control punch and the numerical control bender, the identity of each die is identified by etching the two-dimensional code, and the impact times of all the dies for processing one workpiece are automatically obtained by automatically analyzing the program code for controlling the operation of the machine tool without any data communication with the machine tool; the actual production quantity of all parts is obtained through a real-time labor reporting management system, so that all impact times of all dies in the production can be automatically obtained without any data communication with a machine tool; when the mold is installed each time, whether the mold is correctly matched with the station or not is checked by scanning the identity of the two-dimensional code, and the misloading rate is reduced to zero; acquiring specific position information of all molds in real time; the die two-dimensional code identity management method for the numerical control punch and the numerical control bender can enhance the management of the use and grinding of the die, can improve the service life of the die by about one time for a sheet metal enterprise, and has good economic benefit and social benefit.
Description
Technical Field
The invention relates to the technical field of die management, in particular to a die two-dimensional code identity management method for a numerical control punch and a numerical control bender.
Background
Reasonable die grinding of the numerical control bending machine is a necessary process of a processing enterprise, and meanwhile, the improvement of the precision and the service life of the die are also another mode for helping the enterprise to increase the benefit. If the workpiece is excessively burred or abnormally noisy during punching, the die may be blunted. The punch and lower die were inspected and sharpened when the edge was worn to produce a circular arc having a radius of about 0.10 mm. Practice shows that the grinding is carried out frequently instead of when the grinding is not available, so that the quality of a workpiece is kept good, the blanking force is reduced, and the service life of a die can be prolonged by more than one time. In addition to knowing when the die is sharpened, it is especially important to master the correct sharpening method. Therefore, reasonable die grinding of the numerical control bending machine is a necessary process of a processing enterprise, and meanwhile, the improvement of the precision and the service life of the die are also another mode for helping the enterprise to increase the benefit.
At present, most sheet metal manufacturers use a numerical control punch and a numerical control bending machine, in order to perform identity uniqueness identification management on each mould, the identity number of the mould is usually generated in a mode of etching numbers and letters on the side surface of the mould, so that related information can be recorded in a manual identification mode in the production process.
In addition, some sheet metal enterprises etch two-dimensional codes on the dies to quickly complete identification of the dies, but because numerical control punching machines and numerical control bending machines are numerous and each manufacturer has multiple equipment models and confidential technologies, personnel outside the machine tool manufacturers cannot directly acquire information such as die impact times from each numerical control machine, so that no system method is available at present to accurately count the impact times of each die, and the existing counting method needs to be in data butt joint with the numerical control machines of specific models, so that accurate impact time data cannot be provided for pre-grinding maintenance and scrapping of the dies.
Disclosure of Invention
In order to prolong the service life of the existing dies, the invention aims to provide a die two-dimensional code identity management method for a numerical control punch and a numerical control bender, which can accurately count the impact times of each die, does not need to be in data butt joint with any numerical control machine, provides a data basis of accurate impact times for pre-grinding maintenance and scrapping of the die, and carries out micro-grinding on the die in due time instead of grinding when the die is damaged, so that the die can keep good processing quality, reduce the blanking force and improve the die precision, and the service life of the die can be prolonged by more than one time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a method for managing identity of a two-dimensional code etched by a mold comprises the following steps:
(1) According to the die matching list, the two-dimensional code identity information of the die is scanned and recorded in a die management system; conveying the dies to a machine tool, and then installing all the dies by an operator according to stations required by the program list;
(2) Scanning the two-dimensional code identity of the mold, automatically checking whether the two-dimensional code identity is correctly matched with the station by the system, and if the two-dimensional code identity is not matched with the station, giving an alarm by the system;
(3) Confirming whether a complete part mold is installed; if the installation is not finished, returning to the step (2), and entering the step (4) after the installation is finished;
(4) Starting production and reporting the finished work, and counting the actual production quantity;
(5) The system automatically analyzes and calculates the impact times of all the molds operated each time from a machine tool program list, multiplies the impact times by the actual production quantity to generate the actual impact times of all the molds at this time, and records the actual impact times to the system;
(6) The system automatically counts the impact accumulation times of all the dies and converts the impact accumulation times according to different plates;
(7) Detecting whether a certain die exceeds the grinding early warning upper limit, and if the certain die exceeds the grinding early warning upper limit, grinding the die and recording the grinding times and thickness; if the grinding thickness does not exceed the grinding early warning upper limit, checking whether a certain die exceeds the grinding thickness, and early warning for scrapping;
(8) If a certain die is detected to exceed the grinding thickness, early warning is carried out on scrapping, application for scrapping is carried out, and a new die is purchased; and if the grinding thickness is not exceeded, the use of the die is finished.
Preferably, the two-dimension code identity information comprises a mold model, a mold size and a serial number; the two-dimensional code identity information is unique two-dimensional code identity information etched on the surface of the die by a laser etching machine.
Preferably, the step of etching the identity information of the two-dimensional code of the mold comprises:
(1) the system automatically generates an identity code of the mould according to the type of the mould; category 3 bit characters + size 8 bit numbers + sequence number 3 bit numbers;
(2) automatically generating a two-dimensional code consistent with the identity code content by the system, and adopting a QR code;
(3) etching the two-dimensional code of the mold identity on the surface of the mold through a laser etching machine;
(4) checking whether the etching is successful, if the step (3) is unsuccessful, the etching is successfully carried out, and entering the step (5);
(5) creating the mould information in the system, and other data columns needing to be recorded, wherein the data columns comprise data spaces such as etching dates, and the thickness of the striking times and the grinding times needing to be filled in the future;
(6) this etching is finished.
Preferably, when the mold is installed, the mold station and the identity information of the mold two-dimensional code are bound by scanning the information of the mold two-dimensional code, and the impact times of the mold are counted by calculating the impact times of the mold station.
Preferably, for numerically-controlled machine tools of different manufacturers, command sentences of die station definition, die movement and die action need to be replaced correspondingly.
Preferably, in the step (7), when it is detected whether a certain die exceeds the grinding warning upper limit, a die grinding warning needs to be set for the material and the thickness of the plate adopted by the die, specifically, different plates and thicknesses need to be converted, and then a standard impact upper limit is set, and when the standard impact upper limit reaches the upper limit, warning is started.
Compared with the prior art, the invention has the following advantages:
according to the identity management method for the two-dimensional code of the die for the numerical control punch and the numerical control bender, the identity of each die is identified by etching the two-dimensional code, and the impact times of all the dies for processing one workpiece are automatically obtained by automatically analyzing the program code for controlling the operation of the machine tool without any data communication with the machine tool; the actual production quantity of all parts is obtained through a real-time labor reporting management system, so that all impact times of all dies in the production can be automatically obtained without any data communication with a machine tool; automatically reporting grinding early warning and scrapping early warning; when the mold is installed each time, whether the mold is correctly matched with the station or not is checked by scanning the identity of the two-dimensional code, and the misloading rate is reduced to zero; acquiring the specific position information of all the dies in real time (in a library position of a die library or a specific machine tool);
according to the die two-dimensional code identity management method for the numerical control punch and the numerical control bender, the identity automatic identification is provided for each die by etching the two-dimensional code; analyzing codes for controlling the operation of the machine tool through a management system, and automatically calculating the impact frequency of processing one workpiece by the die on each station; automatically reporting grinding early warning and scrapping early warning according to the statistics of the impact times of each die; and when the mould is installed each time, whether the mould and the station are correctly matched is checked by scanning the identity of the two-dimensional code, and the station and the mould are bound one to one.
The die two-dimensional code identity management method for the numerical control punch and the numerical control bender can enhance the management of the use and grinding of the die and help the metal plate enterprises to prolong the service life of the die; firstly, the management method can completely realize the automatic statistics and recording of the impact times of the die and automatically finish the grinding early warning, and secondly, the management method conveniently records the grinding times of the die and the thickness of each grinding and automatically finishes the scrapping early warning; thirdly, the management method can conveniently and automatically record the current position of the die (on a die library or a certain machine tool); finally, when the die is installed each time, whether the die is installed on a correct station can be checked by scanning the two-dimensional code, and if not, early warning is given; the management method can improve the service life of the die of a sheet metal enterprise by about one time, and has good economic benefit and social benefit.
Drawings
FIG. 1 is a schematic flow chart of a two-dimensional code identity management method for dies of a numerical control punch and a numerical control bender;
FIG. 2 is a schematic view of a process for identifying two-dimensional codes of an etching mold;
Detailed Description
The invention aims to provide a die two-dimensional code identity management method for a numerical control punch and a numerical control bender, which is realized by the following technical scheme:
the invention is further described with reference to specific examples.
Example 1
A method for managing the identity of a two-dimensional code of a die for a numerical control punch and a numerical control bender is shown in figure 1 and comprises the following steps:
(1) According to the die matching list, the two-dimensional code identity information of the die is scanned and recorded in a die management system; conveying the dies to a machine tool, and then installing all the dies by an operator according to stations required by a program list;
the two-dimensional code identity information is unique two-dimensional code identity information etched on the surface of the die by a laser etching machine, and the code is a QR code and consists of numbers and letters; the two-dimensional code identity information contains a mold model (3-digit English character), a mold size (8-digit number) and a serial number (3-digit number).
(2) Scanning the two-dimensional code identity of the mold, automatically checking whether the two-dimensional code identity is correctly matched with the station by the system, and if the two-dimensional code identity is not matched with the station, giving an alarm by the system;
(3) Confirming whether a complete part mold is installed; if the installation is not finished, returning to the step (2), and entering the step (4) after the installation is finished;
(4) Starting production and reporting the finished work, and counting the actual production quantity;
and (3) automatically analyzing the control program codes of the numerical control machine tool by using a die impact frequency statistical algorithm and management software, and calculating the impact frequency of each die by analyzing the control program codes. The method does not need any data interface with the numerical control machine, and because the sentences of the control program codes of each manufacturer are very similar, the method is easy to popularize on numerical control machines of different manufacturers and models. Then, the actual production quantity of the part work order is automatically counted through the sheet metal processing work reporting management system, the impact times of the die used by each work order are multiplied by the actual production quantity, the striking times of the die after the production is finished can be calculated, meanwhile, the material and the thickness of the plate can be obtained from the sheet metal processing work reporting management system of Mobayer, and the material and the thickness are automatically recorded in the die management system.
(5) The system automatically analyzes and calculates the impact times of all the molds operated each time from a machine tool program list, multiplies the impact times by the actual production quantity to generate the actual impact times of all the molds at this time, and records the actual impact times to the system;
(6) The system automatically counts the impact accumulation times of all the dies and converts the impact accumulation times according to different plates;
(7) Detecting whether a certain die exceeds the grinding early warning upper limit, if so, grinding the die and recording the grinding times and thickness; if the grinding thickness does not exceed the grinding early warning upper limit, checking whether a certain die exceeds the grinding thickness, and early warning for scrapping;
(8) If a certain die is detected to exceed the grinding thickness, early warning is carried out on scrapping, application for scrapping is carried out, and a new die is purchased; and if the grinding thickness is not exceeded, the use of the die is finished.
Example 2
As shown in fig. 2, the etching mold two-dimensional code identity in the step of embodiment 1 includes the following steps:
(1) the system automatically generates an identity code of the mould according to the type of the mould; category 3 bit characters + size 8 bit numbers + sequence number 3 bit numbers;
(2) automatically generating a two-dimensional code consistent with the identity code content by the system, and adopting a QR code;
(3) etching the mold identity two-dimensional code on the surface of the mold through a laser etching machine;
(4) checking whether the etching is successful, if the step (3) is unsuccessful, carrying out the step (5) after the etching is successful;
(5) creating the mould information in the system, and other data columns needing to be recorded, wherein the data columns comprise data spaces such as etching dates, and the thickness of the striking times and the grinding times needing to be filled in the future;
(6) this etching is finished.
Example 3
When the die is installed, the die station and the identity information of the die two-dimensional code are bound by scanning the information of the die two-dimensional code, the impact times of the die are counted by calculating the impact times of the die station, and for numerical control machines of different manufacturers, the die station is required to be defined, command sentences of die movement and die action are correspondingly replaced, and the working principle of a MoBye die impact times counting algorithm is explained in detail by taking the program code of an AMADA numerical control punch as an example. This algorithm is through calculating the impact number of times of mould station and counting the impact number of times of this mould, through scanning mould two-dimensional code information during the installation mould, binds mould station and mould two-dimensional code identity information, can be in order to acquire the impact number of times of this mould, and is specific:
(1) The mold defining section: and defining information such as a certain mold name, a station number, an angle and the like.
(UT/T201EREXL 110.00YL 6.00AN 90.00DC 0.00RL 0.00P IRE14O)
(XT/T201TNRE148IT 0IM IN 0C 0H 0AI 0HN PT 0) "the letter T after" UT/"and the three-digit number IN the right vicinity thereof are station numbers: t201; the right adjacent of "AN" is the mold angle: 90.00; "TN" right adjacent is the mold name: and RE148. The mold information acquisition system acquires three information such as a station number, AN angle, a mold name and the like of the right adjacent of the mold information acquisition system by identifying key character strings 'UT/', 'AN' and 'TN' in a program code, and the algorithm ignores other irrelevant information.
(2) A mold action part: the moving of the die does not take the impact action into consideration. The algorithm can accurately know the striking times of the mold for completing the program list only by counting and counting the mold actions on each station.
The following are the action instructions of the die on a certain station:
the one shot command is as follows, the first row U1 indicating the start of the action and the second row indicating the one shot of the die at station T246 at the X-axis 216.9 and Y-axis 62.1. The third row indicates the end of the action. Therefore, when the Mobayer die impact number management software recognizes that only one sentence containing X-axis and Y-axis coordinates exists between the U1 sentence and the V1 sentence, the impact number of the station (such as T246) is recorded as 1.
U1
X216.9Y62.1T246
V1
The order of impacting N times is as follows, and between the statements of U1 and V1, N groups of X-axis and Y-axis coordinate statements indicate that the die on the station is to impact N times. The system automatically records the impact frequency of the die as N. The following example is an instruction for 4 impacts: the die of the station T369 continuously impacts at different positions for four times, and the positions of the four impacts are respectively as follows: x-axis 436.67Y-axis 251.89, X-axis 435.13Y-axis 28.38, X-1.33Y-axis invariant, and X-2.87Y-axis 251.89.
U1
X436.67Y251.89T369
X435.13Y28.38
X-1.33
X-2.87Y251.89
V1
The total impact times of the mold on each station in the work can be accurately calculated and counted by automatically scanning and analyzing the mold action part of the program code through a software system based on the algorithm.
And accurately obtaining the processing times of a certain work order from the sheet metal processing work report management system, and multiplying the impact times of each die in each program order by the processing times of the work order to calculate the sum of the impact times of each die in the production arrangement.
If a certain mould is replaced in the midway for some reason, the system only needs to carry out statistics and calculation respectively.
Example 4
When detecting whether a certain die exceeds the upper limit of the grinding early warning, the die grinding early warning needs to be set for the material and the plate thickness of the plate adopted by the die, specifically, a user needs to record and summarize the upper limit times of impact of each die on different plates and plate thicknesses through production practice experience, the different plates and plate thicknesses need to be converted, then a standard upper limit value of impact is set, and when the upper limit value is reached, early warning is started and pre-grinding maintenance is carried out. Such as: the pre-grinding upper limit standard value is 150 ten thousand times of steel plate impact with the plate thickness of 3mm, and the steel plate with the plate thickness of 2mm has one impact =0.7 times (converted into the standard value); the aluminum plate having a plate thickness of 3mm had one impact =0.5 times (converted to a standard value). When the impact times of the die are equal to or exceed the pre-grinding upper limit standard value, the system sends out pre-grinding early warning.
Claims (4)
1. A method for managing identity of a mold etching two-dimensional code is characterized by comprising the following steps: the method comprises the following steps:
(1) According to the die matching list, the two-dimensional code identity information of the die is scanned and recorded in a die management system; conveying the dies to a machine tool, and then installing all the dies by an operator according to stations required by a program list;
the two-dimension code identity information comprises a mould model, a mould size and a serial number; the two-dimension code identity information is unique two-dimension code identity information etched on the surface of the die by a laser etching machine;
the step of etching the identity information of the two-dimensional code of the mold comprises the following steps:
(1) the system automatically generates an identity code of the mould according to the type of the mould; category 3 bit characters + size 8 bit numbers + sequence number 3 bit numbers;
(2) automatically generating a two-dimensional code consistent with the identity code content by the system, and adopting a QR code;
(3) etching the two-dimensional code of the mold identity on the surface of the mold through a laser etching machine;
(4) checking whether the etching is successful, if the step (3) is unsuccessful, the etching is successfully carried out, and entering the step (5);
(5) establishing mould information in a system, and other data columns needing to be recorded, including data spaces such as etching dates, striking times needing to be filled in the future, grinding time thickness and the like;
(6) ending the etching;
(2) Scanning the two-dimensional code identity of the mold, automatically checking whether the two-dimensional code identity is correctly matched with the station by the system, and if not, giving an alarm by the system;
(3) Confirming whether a complete part mold is installed; if the installation is not finished, returning to the step (2), and entering the step (4) after the installation is finished;
(4) Starting production and reporting the finished work, and counting the actual production quantity;
(5) The system automatically analyzes and calculates the impact times of all the molds operated each time from a machine tool program list, multiplies the impact times by the actual production quantity to generate the actual impact times of all the molds at this time, and records the actual impact times to the system;
(6) The system automatically counts the impact accumulation times of all the dies and converts the impact accumulation times according to different plates;
(7) Detecting whether a certain die exceeds the grinding early warning upper limit, if so, grinding the die and recording the grinding times and thickness; if the grinding thickness does not exceed the grinding early warning upper limit, checking whether a certain die exceeds the grinding thickness, and early warning for scrapping;
(8) If a certain die is detected to exceed the grinding thickness, early warning is carried out on scrapping, application for scrapping is carried out, and a new die is purchased; and if the grinding thickness is not exceeded, the use of the die is finished.
2. The identity management method for the two-dimensional code etched by the mold according to claim 1, characterized in that: when the mold is installed, the mold station and the identity information of the mold two-dimension code are bound by scanning the information of the mold two-dimension code, and the impact times of the mold are counted by calculating the impact times of the mold station.
3. The identity management method for the two-dimensional code etched by the mold according to claim 1, characterized in that: for numerically-controlled machine tools of different manufacturers, command sentences of mold station definition, mold movement and mold action need to be replaced correspondingly.
4. The identity management method for the two-dimensional code etched by the mold according to claim 1, characterized in that: and (7) detecting whether a certain die exceeds the grinding early warning upper limit or not, setting a die grinding early warning according to the material and the plate thickness of the plate adopted by the die, specifically, converting different plates and plate thicknesses, setting a standard impact upper limit value, and starting early warning when the upper limit value is reached.
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| CN104781740A (en) * | 2012-07-10 | 2015-07-15 | 马丁丁亚胡·蒂亚诺 | Modular system for real-time evaluation and monitoring of machining production-line overall performances calculated from each given workpiece, tool and machine |
| CN106334993A (en) * | 2016-10-24 | 2017-01-18 | 上海华力微电子有限公司 | Simulating device for chemical machine grinding technology |
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