CN117193199A - Intelligent control system of automobile part stamping production line - Google Patents
Intelligent control system of automobile part stamping production line Download PDFInfo
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Abstract
The invention belongs to the technical field of control of automobile part stamping production lines, and relates to an intelligent control system of an automobile part stamping production line. The invention is based on the constructed environment monitoring module, environment analysis module, punching machine monitoring module, punching machine analysis module, control module, part monitoring module, part analysis module, database and the like, effectively avoids the corrosion or pollution of the raw materials of the automobile parts and the punched finished products of the automobile parts caused by the moist environment, big dust, corrosive substances and the like in each area of the automobile parts punching production line, is beneficial to timely finding out the faults of the punching machine, timely maintaining, reducing the energy consumption and the waste of materials, saving the cost, timely finding out and adjusting the abnormality and deviation of the punched finished products of the automobile parts, improving the consistency and the stability of the punched finished products of the automobile parts, and reducing the defective rate and the quality problem.
Description
Technical Field
The invention belongs to the technical field of control of automobile part stamping production lines, and relates to an intelligent control system of an automobile part stamping production line.
Background
The stamping of the automobile parts is the first step of all working procedures of automobile manufacture, and all the automobile parts are required to be subjected to stamping forming and then are subjected to stamping separation such as punching, trimming, flanging and the like to finish manufacturing. The automobile engine cover outer plate serving as one of automobile parts can not only avoid natural invasion of rain, snow and the like, protect good working states of engine accessories, but also prevent sundries from falling to influence normal operation of an engine and the like, and further is necessary to control a stamping production line of the automobile engine cover outer plate in order to ensure high-quality production.
The existing automobile part stamping production line control system mainly monitors temperature, pressure, force, shape, size and other data on a production line, so that production efficiency and quality of stamping finished products are analyzed, and the purpose of improving production efficiency and quality of automobile parts is achieved.
However, the existing automobile part stamping production line control system ignores the influence of the environment of each area on the stamping production line on the automobile part raw materials and the automobile part stamping finished products, if the environment of each area on the automobile part stamping production line is moist, dust is large, corrosive substances exist and the like, the automobile part raw materials and the automobile part stamping finished products can be corroded or polluted, the production quality of the automobile parts is further reduced, and economic losses are caused.
The existing automobile part stamping production line control system lacks monitoring analysis on the running data of a stamping machine in running, the speed, the pressure, the temperature and the like of the stamping machine influence the shape, the surface quality, the dimensional accuracy, the deformability, the strength and the like of the automobile part, if the stamping machine breaks down in the running process, the stamping progress of the automobile part can be influenced, the production efficiency is reduced, and the rejection rate of the stamping finished product of the automobile part can be increased.
The existing automobile part stamping production line control system ignores the rebound property of automobile part raw materials, and the rebound property of the raw materials can cause the automobile part stamping finished product to rebound after a period of time, so that the size, the shape and the like of the automobile part stamping finished product are inconsistent with standard requirements, and the subsequent manufacturing process of the automobile is influenced.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, an intelligent control system for a stamping production line of automobile parts is now proposed.
The aim of the invention can be achieved by the following technical scheme: the invention provides an intelligent control system of an automobile part stamping production line, which comprises the following components: the environment monitoring module is used for acquiring environment data of each area corresponding to the stamping production line of the target automobile parts.
The environment analysis module is used for analyzing the environment coincidence coefficients of the areas corresponding to the stamping production line of the target automobile parts, and further obtaining the unqualified areas of the areas corresponding to the stamping production line of the target automobile parts.
And the punching machine monitoring module is used for monitoring the corresponding punching machines of the target automobile part punching production line in real time to obtain the operation parameters of the corresponding punching machines of the target automobile part punching production line.
And the punching machine analysis module is used for analyzing the operation safety coefficient of each punching machine corresponding to the target automobile part punching production line, and further obtaining each unqualified punching machine corresponding to the target automobile part punching production line.
And the control module is used for feeding back the numbers of the areas corresponding to the unqualified environments of the stamping production line of the target automobile parts to an administrator, and performing shutdown control on the stamping machines corresponding to the unqualified running stamping machines of the stamping production line of the target automobile parts.
The part monitoring module is used for monitoring the appearance of each automobile part according to the preset fixed interval time length to obtain appearance information of each monitoring of each automobile part.
The component analysis module is used for analyzing the appearance conformity of each monitoring of each automobile component and judging the operation parameter changing requirement of each punching machine corresponding to the target automobile component punching production line.
And the component analysis module is used for analyzing the rebound coefficient of the automobile component according to the appearance information monitored by each automobile component, and resetting the operation parameters of the target automobile component stamping production line according to the operation parameter changing requirements of each stamping machine.
And the database is used for storing the reference superposition area ratio, the reference thickness ratio, the reference flatness ratio and the reference surface smoothness ratio of the automobile parts, storing the standard appearance information of the automobile parts under each standard operation parameter of the punching machine and storing the standard sample images of the automobile parts.
Preferably, the environmental data of the corresponding areas of the target automobile part stamping production line comprise humidity, dust concentration and corrosive substance concentration.
Preferably, the specific analysis mode of the environmental coincidence coefficients of the corresponding areas of the stamping production line of the target automobile parts is as follows: extracting humidity, dust concentration and corrosive substance concentration of each region corresponding to the target automobile part stamping production line, and analyzing environment coincidence coefficients of each region corresponding to the target automobile part stamping production lineWherein H is i 、/>Respectively the humidity, dust concentration and corrosive substance concentration of the ith area corresponding to the stamping production line of the target automobile parts, H 0 、/>Respectively set automobileThe parts correspond to the humidity, dust concentration, and corrosive substance concentration allowed to exist in each region, i=1, 2.
And comparing the environment coincidence coefficients of the areas corresponding to the target automobile part stamping production line with the set environment coincidence coefficient threshold values respectively, screening to obtain the areas corresponding to the target automobile part stamping production line, wherein the environment coincidence coefficients are smaller than the set environment coincidence coefficient threshold values, marking the areas as the areas corresponding to the unqualified environments of the target automobile part stamping production line, further obtaining the numbers of the areas corresponding to the unqualified environments of the target automobile part stamping production line, and feeding back the numbers.
Preferably, the operation parameters of each punch corresponding to the target automobile part punching production line include a die speed, a die pressure and a die temperature.
Preferably, the specific analysis mode of the operation safety coefficient of each punch corresponding to the target automobile part punching production line is as follows: extracting the die speed, die pressure and die temperature of each punch corresponding to the target automobile part stamping production line, and analyzing the operation safety coefficient of each punch corresponding to the target automobile part stamping production lineWherein V is j 、F j 、T j The die speed, the die pressure and the die temperature of the jth punching machine corresponding to the target automobile part punching production line are respectively V 0 、F 0 、T 0 The current standard die speed, standard die pressure, and standard die temperature extracted from the console of the corresponding punch of the target automobile part punching line, j=1, 2, respectively 1 、β 2 、β 3 The set die speed, die pressure and die temperature are respectively corresponding influence factors.
Comparing the operation safety coefficients of the stamping production line of the target automobile parts with the set operation safety coefficient threshold values respectively, screening to obtain stamping production lines of the target automobile parts with operation safety coefficients smaller than the set operation safety coefficient threshold values, and marking the stamping production lines of the target automobile parts as stamping machines with unqualified operation corresponding to the stamping production lines of the target automobile parts.
Preferably, the appearance information of each monitoring of each automobile part comprises overlapping area, thickness, flatness and surface smoothness.
Preferably, the specific analysis mode of the appearance conformity degree of each monitoring of each automobile part is as follows: extracting the superposition area, thickness, flatness and surface smoothness of each monitoring of each automobile part, and analyzing the appearance conformity of each monitoring of each automobile partWherein S is xy 、T x ′ y 、γ xy 、G xy The superposition area, thickness, flatness and surface smoothness of the xth automobile part monitored for the yth time are respectively S 0 、T 0 ′、γ 0 、G 0 The standard area, standard thickness, standard flatness, and standard surface smoothness of the automobile parts extracted from the database under the current standard operating parameters of the press, respectively, x=1, 2, and the number of each automobile part, c, and y=1, 2, and the number of each monitoring, d, and y, and d, and k are the number of monitoring, respectively 1 、k 2 、k 3 、k 4 The reference overlapping area ratio, the reference thickness ratio, the reference flatness ratio and the reference surface smoothness ratio of the automobile parts extracted from the database are respectively delta 1 、δ 2 、δ 3 、δ 4 Weight coefficient of the appearance conformity corresponding to the set overlapping area ratio, thickness ratio, flatness ratio and surface smoothness ratio respectively, delta 1 +δ 2 +δ 3 +δ 4 ＝1。
Preferably, the specific judging mode of the target automobile part stamping production line corresponding to the operation parameter changing requirement of each stamping machine is as follows: extracting the first monitored appearance conformity of each automobile part, comparing the first monitored appearance conformity with a preset appearance conformity threshold value, and if a certain automobile part isIf the appearance conformity of the part is greater than or equal to a preset appearance conformity threshold, marking the automobile part as an appearance qualified automobile part, further counting to obtain the total number of the appearance qualified automobile parts monitored for the first time, and marking the total number as c 1 ', and c 1 ' less than or equal to c, calculating to obtain the appearance qualification rate of the automobile parts monitored for the first timeAnd the primary monitoring qualification rate of the automobile parts is recorded.
The appearance conformity degree of the d-th monitoring of each automobile part is extracted, and the secondary monitoring qualification rate eta of the automobile parts can be obtained by the same method 2 。
And comparing the primary monitoring qualification rate and the secondary monitoring qualification rate of the automobile parts, if the primary monitoring qualification rate of the automobile parts is larger than the secondary monitoring qualification rate of the automobile parts, changing the operating parameter changing requirements of the target automobile part stamping production line corresponding to each punching machine to be the changing requirements, otherwise, changing the operating parameter changing requirements of the target automobile part stamping production line corresponding to each punching machine to be the requirements without changing.
Preferably, the specific analysis mode of the rebound coefficient of the target automobile part is as follows: extracting the superposition area, thickness, flatness and surface smoothness of each appearance qualified automobile part monitored secondarily by the automobile part, and analyzing the rebound coefficient of the automobile part
Wherein S is m1 、T m ′ 1 、γ m1 、G m1 The superposition area, thickness, flatness and surface smoothness of the first monitored of the m-th appearance qualified automobile part respectively monitored for the second time of the automobile part are S md 、T m ′ d 、γ md 、G md Overlapping area, thickness, flatness, and surface smoothness, m=1, 2, for the d-th monitored of the m-th appearance acceptable automotive part, respectively, for the secondary monitoring of automotive parts, an,m is the number of each appearance qualified automobile part, n is the number of the appearance qualified automobile parts, epsilon 1 、ε 2 、ε 3 、ε 4 The weight factors of the rebound coefficients corresponding to the set superposition area, thickness, flatness and surface smoothness are respectively adopted.
Preferably, the specific setting mode of resetting the operating parameters of the stamping production line of the target automobile part corresponding to each stamping machine, in which the operating parameter changing requirement is required to be changed, is as follows: extracting standard area, standard thickness, standard flatness and standard surface smoothness of the automobile part under the current standard operation parameters of the punching machine, and importing a calculation model according to the coefficient of resilience of the automobile partAnd->The appropriate area S ', the appropriate thickness T', the appropriate flatness γ ', and the appropriate surface smoothness G', of the automobile parts were obtained and recorded as appropriate appearance information of the automobile parts.
And comparing the proper appearance information of the automobile parts with the standard appearance information of the automobile parts, which is called from the automobile database, under each standard operation parameter of the punching machine, so as to obtain the standard operation parameter of the punching machine corresponding to the proper appearance information of the automobile parts, and marking the standard operation parameter as an operation parameter corresponding to each punching machine of the target automobile parts punching production line.
And correcting the operation parameters of the stamping production line of the target automobile parts, which is required to be changed, according to the operation parameters of each stamping machine, and resetting the operation parameters to the corresponding modification values.
Compared with the prior art, the invention has the following beneficial effects: 1. according to the invention, the environment data of the areas corresponding to the target automobile part stamping production line are acquired, the environment coincidence coefficients of the areas corresponding to the target automobile part stamping production line are analyzed, and then the areas with unqualified environments corresponding to the target automobile part stamping production line are obtained, so that automobile part raw materials and automobile part stamping finished products which are rusted or polluted due to the fact that the environments of the areas on the automobile part stamping production line are moist, the dust is large, corrosive substances exist and the like are effectively avoided, the production quality of automobile parts is improved, and economic losses are avoided.
2. According to the invention, the operation safety coefficient of each punch corresponding to the target automobile part stamping production line is analyzed by acquiring the operation parameters of each punch corresponding to the target automobile part stamping production line, so that each punch which is unqualified in operation and corresponds to the target automobile part stamping production line is obtained, the fault of the punch is found in time, the timely maintenance is performed, the production efficiency of automobile parts is improved, the energy consumption and the material waste are reduced, and the cost is saved.
3. According to the invention, the appearance information of each monitoring of each automobile part is analyzed through the part monitoring module Hu Qun, so that the appearance conformity of each monitoring of each automobile part is analyzed, and the operation parameter changing requirement is reset to be the operation parameter of each punching machine corresponding to the target automobile part punching production line needing to be changed, thereby avoiding the rebound condition of the automobile part punching finished product after a period of time caused by the rebound property of raw materials, being beneficial to timely finding and adjusting the abnormality and deviation of the automobile part punching finished product, improving the consistency and stability of the automobile part punching finished product and reducing the defective rate and quality problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a system module connection according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides an intelligent control system for an automobile part stamping production line, wherein specific modules are distributed as follows: the system comprises an environment monitoring module, an environment analysis module, a punching machine monitoring module, a punching machine analysis module, a control module, a part monitoring module, a part analysis module and a database. The connection mode between the modules is as follows: the environment monitoring module is connected with the environment analysis module, the punching machine monitoring module is connected with the punching machine analysis module, the control module is connected with the environment analysis module and the punching machine analysis module respectively, the part analysis module is connected with the part monitoring module and the part analysis module respectively, and the database is connected with the part analysis module and the part analysis module respectively.
The environment monitoring module is used for acquiring environment data of each area corresponding to the stamping production line of the target automobile parts.
The environment analysis module is used for analyzing the environment coincidence coefficients of the areas corresponding to the stamping production line of the target automobile parts, and further obtaining the unqualified areas of the areas corresponding to the stamping production line of the target automobile parts.
As a preferred example, the environmental data of the respective areas of the target automobile part stamping line include humidity, dust concentration, and corrosive substance concentration.
It should be further described that the specific acquisition modes of the humidity, dust concentration and corrosive substance concentration of each area corresponding to the target automobile part stamping production line are as follows: and arranging an environmental data detection device in each area corresponding to the stamping production line of the target automobile part, wherein the environmental data detection device comprises a humidity sensor, a dust monitor and an air quality monitor, so that the humidity, the dust concentration and the corrosive substance concentration of each area corresponding to the stamping production line of the target automobile part are monitored and obtained by using the arranged environmental data detection device.
As a preferable example, the specific analysis method of the environmental compliance coefficient of each area corresponding to the stamping production line of the target automobile part is as follows: extracting humidity, dust concentration and corrosive substance concentration of each region corresponding to the target automobile part stamping production line, and analyzing environment coincidence coefficients of each region corresponding to the target automobile part stamping production lineWherein H is i 、/>Respectively the humidity, dust concentration and corrosive substance concentration of the ith area corresponding to the stamping production line of the target automobile parts, H 0 、/>The humidity, dust concentration, and corrosive substance concentration allowed to exist for each region of the set automobile part, i=1, 2.
And comparing the environment coincidence coefficients of the areas corresponding to the target automobile part stamping production line with the set environment coincidence coefficient threshold values respectively, screening to obtain the areas corresponding to the target automobile part stamping production line, wherein the environment coincidence coefficients are smaller than the set environment coincidence coefficient threshold values, marking the areas as the areas corresponding to the unqualified environments of the target automobile part stamping production line, further obtaining the numbers of the areas corresponding to the unqualified environments of the target automobile part stamping production line, and feeding back the numbers.
According to the invention, the environment data of the areas corresponding to the target automobile part stamping production line are acquired, the environment coincidence coefficients of the areas corresponding to the target automobile part stamping production line are analyzed, and then the areas with unqualified environments corresponding to the target automobile part stamping production line are obtained, so that automobile part raw materials and automobile part stamping finished products which are rusted or polluted due to the fact that the environments of the areas on the automobile part stamping production line are moist, the dust is large, corrosive substances exist and the like are effectively avoided, the production quality of automobile parts is improved, and economic losses are avoided.
And the punching machine monitoring module is used for monitoring the corresponding punching machines of the target automobile part punching production line in real time to obtain the operation parameters of the corresponding punching machines of the target automobile part punching production line.
And the punching machine analysis module is used for analyzing the operation safety coefficient of each punching machine corresponding to the target automobile part punching production line, and further obtaining each unqualified punching machine corresponding to the target automobile part punching production line.
And the control module is used for feeding back the numbers of the areas corresponding to the unqualified environments of the stamping production line of the target automobile parts to an administrator, and performing shutdown control on the stamping machines corresponding to the unqualified running stamping machines of the stamping production line of the target automobile parts.
As a preferred example, the operation parameters of the target automobile part stamping line for each stamping press include a die speed, a die pressure, and a die temperature.
It should be further described that the specific obtaining manner of the die speed of each punch corresponding to the target automobile part punching production line is as follows: the photoelectric sensors are distributed on the driving parts of the stamping machines, wherein the driving parts can be crankshafts or flywheels of the stamping machines, the pulse signal length, the pulse signal period and the output quantity of the pulse signals in unit time are obtained according to the distributed photoelectric sensors, and then the die speed of the stamping production line of the target automobile parts corresponding to the stamping machines is calculatedWherein M is j For the output quantity of pulse signals in the unit time of photoelectric sensors on the j-th punching machine driving part of the target automobile part punching production line, l is the length of pulse signals output by the photoelectric sensors, t is the pulse signal period output by the photoelectric sensors, j=1, 2.
Wherein a pulse signal period refers to the time interval between two consecutive pulses.
The specific acquisition mode of the die pressure of each punch corresponding to the target automobile part punching production line is as follows: and arranging pressure sensors in the hydraulic systems corresponding to all the punching machines in the target automobile part punching production line, measuring the pressure in the hydraulic oil circuit, and marking the pressure as the die pressure corresponding to all the punching machines in the target automobile part punching production line.
The pressure sensor converts the pressure signal into an electric signal to be output, and displays and records the pressure value through a corresponding display or instrument.
The specific acquisition mode of the die temperature of each punch corresponding to the target automobile part punching production line is as follows: and monitoring the die by using infrared temperature sensors which are arranged corresponding to the stamping machines of the target automobile part stamping production line, and recording the temperature of the die by using a temperature recorder connected with the infrared temperature sensors to obtain the die temperature of the stamping machines of the target automobile part stamping production line.
As a preferable example, the specific analysis mode of the operation safety coefficient of each punch corresponding to the target automobile part punching production line is as follows: extracting the die speed, die pressure and die temperature of each punch corresponding to the target automobile part stamping production line, and analyzing the operation safety coefficient of each punch corresponding to the target automobile part stamping production lineWherein V is j 、F j 、T j The die speed, the die pressure and the die temperature of the jth punching machine corresponding to the target automobile part punching production line are respectively V 0 、F 0 、T 0 The current standard die speed, standard die pressure, and standard die temperature extracted from the console of the corresponding punch of the target automobile part punching line, j=1, 2, respectively 1 、β 2 、β 3 The set die speed, die pressure and die temperature are respectively corresponding influence factors.
Comparing the operation safety coefficients of the stamping production line of the target automobile parts with the set operation safety coefficient threshold values respectively, screening to obtain stamping production lines of the target automobile parts with operation safety coefficients smaller than the set operation safety coefficient threshold values, and marking the stamping production lines of the target automobile parts as stamping machines with unqualified operation corresponding to the stamping production lines of the target automobile parts.
According to the invention, the operation safety coefficient of each punch corresponding to the target automobile part stamping production line is analyzed by acquiring the operation parameters of each punch corresponding to the target automobile part stamping production line, so that each punch which is unqualified in operation and corresponds to the target automobile part stamping production line is obtained, the fault of the punch is found in time, the timely maintenance is performed, the production efficiency of automobile parts is improved, the energy consumption and the material waste are reduced, and the cost is saved.
The part monitoring module is used for monitoring the appearance of each automobile part according to the preset fixed interval time length to obtain appearance information of each monitoring of each automobile part.
It should be further noted that, the time of first monitoring of each automobile part is that appearance information of first monitoring of each automobile part is obtained by immediately detecting each automobile part after stamping forming, that is, the interval duration of first monitoring of each automobile part is 0.
The component analysis module is used for analyzing the appearance conformity of each monitoring of each automobile component and judging the operation parameter changing requirement of each punching machine corresponding to the target automobile component punching production line.
And the component analysis module is used for analyzing the rebound coefficient of the automobile component according to the appearance information monitored by each automobile component, and resetting the operation parameters of the target automobile component stamping production line according to the operation parameter changing requirements of each stamping machine.
As a preferred example, the appearance information of each of the automobile parts monitored each time includes a coincidence area, a thickness, flatness, and surface smoothness.
It should be further described that the specific acquisition mode of the overlapping area of each monitoring of each automobile part is as follows: arranging a laser scanner in a storage area of the corresponding automobile parts of the stamping production line of the target automobile parts to comprehensively scan the automobile parts, further obtaining images of the automobile parts, analyzing and comparing the images with standard sample images of the automobile parts stored in a database to obtain overlapping areas of the automobile parts, and further obtaining overlapping areas of the automobile parts monitored each time.
The specific acquisition mode of the thickness of each monitoring of each automobile part is as follows: and monitoring the distance between the upper edge and the lower edge of each automobile part by using a laser range finder, and taking the distance as the thickness of each automobile part, thereby obtaining the thickness monitored by each automobile part.
The specific acquisition mode of the straightness of each monitoring of each automobile part is as follows: and monitoring each automobile part by using the laid laser flatness instrument to obtain the flatness of each automobile part, and further obtaining the flatness of each automobile part monitored each time.
The specific acquisition mode of the surface smoothness of each monitoring of each automobile part is as follows: monitoring the surface of each automobile part by using the distributed surface roughness meter to obtain the surface roughness parameter Ra of each automobile part, performing reciprocal treatment on the surface roughness parameter Ra as the surface smoothness of each automobile part, and further obtaining the surface smoothness of each automobile part monitored each time, namelyWhere x=1, 2,) c, x is the number of each automobile part, y=1, 2,) d, y is the number of each monitoring, the smaller the Ra value, the smoother the surface is indicated.
As a preferred example, the specific analysis manner of the appearance conformity of each monitoring of each automobile part is as follows: extracting the superposition area, thickness, flatness and surface smoothness of each monitoring of each automobile part, and analyzing the appearance conformity of each monitoring of each automobile partWherein S is xy 、T x ′ y 、γ xy 、G xy The superposition area, thickness, flatness and surface smoothness of the xth automobile part monitored for the yth time are respectively S 0 、T 0 ′、γ 0 、G 0 The standard area, standard thickness, standard flatness, and standard surface smoothness of the automobile parts extracted from the database under the current standard operating parameters of the press, respectively, x=1, 2, and the number of each automobile part, c, and y=1, 2, and the number of each monitoring, d, and y, and d, and k are the number of monitoring, respectively 1 、k 2 、k 3 、k 4 The reference overlapping area ratio, the reference thickness ratio, the reference flatness ratio and the reference surface smoothness ratio of the automobile parts extracted from the database are respectively delta 1 、δ 2 、δ 3 、δ 4 Weight coefficient of the appearance conformity corresponding to the set overlapping area ratio, thickness ratio, flatness ratio and surface smoothness ratio respectively, delta 1 +δ 2 +δ 3 +δ 4 ＝1。
As a preferable example, the specific judging manner of the target automobile part stamping production line corresponding to the operation parameter changing requirement of each stamping machine is as follows: extracting the appearance conformity degree of each automobile part monitored for the first time, comparing the appearance conformity degree with a preset appearance conformity degree threshold value respectively, if the appearance conformity degree of one automobile part is larger than or equal to the preset appearance conformity degree threshold value, marking the automobile part as an appearance qualified automobile part, further counting to obtain the total number of the appearance qualified automobile parts monitored for the first time, and marking the total number as c 1 ', and c 1 ' less than or equal to c, calculating to obtain the appearance qualification rate of the automobile parts monitored for the first timeAnd the primary monitoring qualification rate of the automobile parts is recorded.
The appearance conformity of the d-th monitoring of each automobile part is extracted, and the secondary monitoring qualification rate of the automobile part can be obtained by the same methodη 2 。
And comparing the primary monitoring qualification rate and the secondary monitoring qualification rate of the automobile parts, if the primary monitoring qualification rate of the automobile parts is larger than the secondary monitoring qualification rate of the automobile parts, changing the operating parameter changing requirements of the target automobile part stamping production line corresponding to each punching machine to be the changing requirements, otherwise, changing the operating parameter changing requirements of the target automobile part stamping production line corresponding to each punching machine to be the requirements without changing.
As a preferred example, the specific analysis mode of the rebound coefficient of the target automobile part is as follows: extracting the superposition area, thickness, flatness and surface smoothness of each appearance qualified automobile part monitored secondarily by the automobile part, and analyzing the rebound coefficient of the automobile part
Wherein S is m1 、T m ′ 1 、γ m1 、G m1 The superposition area, thickness, flatness and surface smoothness of the first monitored of the m-th appearance qualified automobile part respectively monitored for the second time of the automobile part are S md 、T m ′ d 、γ md 、G md The overlapping area, thickness, flatness and surface smoothness of the d-th monitored of the m-th appearance qualified automobile part, which are respectively monitored for the automobile part, m=1, 2 1 、ε 2 、ε 3 、ε 4 The weight factors of the rebound coefficients corresponding to the set superposition area, thickness, flatness and surface smoothness are respectively adopted.
As a preferable example, the specific setting mode of resetting the operating parameters of the stamping production line for the target automobile parts, in which the operating parameter changing requirement is required to be changed, corresponding to each stamping machine is as follows: extracting standard area, standard thickness, standard flatness and standard surface smoothness of automobile parts under the current standard operation parameters of a punching machine according toThe coefficient of restitution of the automobile parts is led into a calculation modelAndthe appropriate area S ', the appropriate thickness T', the appropriate flatness γ ', and the appropriate surface smoothness G', of the automobile parts were obtained and recorded as appropriate appearance information of the automobile parts.
And comparing the proper appearance information of the automobile parts with the standard appearance information of the automobile parts, which is called from the automobile database, under each standard operation parameter of the punching machine, so as to obtain the standard operation parameter of the punching machine corresponding to the proper appearance information of the automobile parts, and marking the standard operation parameter as an operation parameter corresponding to each punching machine of the target automobile parts punching production line.
And correcting the operation parameters of the stamping production line of the target automobile parts, which is required to be changed, according to the operation parameters of each stamping machine, and resetting the operation parameters to the corresponding modification values.
According to the invention, the appearance information of each monitoring of each automobile part is analyzed through the part monitoring module Hu Qun, so that the appearance conformity of each monitoring of each automobile part is analyzed, and the operation parameter changing requirement is reset to be the operation parameter of each punching machine corresponding to the target automobile part punching production line needing to be changed, thereby avoiding the rebound condition of the automobile part punching finished product after a period of time caused by the rebound property of raw materials, being beneficial to timely finding and adjusting the abnormality and deviation of the automobile part punching finished product, improving the consistency and stability of the automobile part punching finished product and reducing the defective rate and quality problem.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. An intelligent control system of an automobile part stamping production line is characterized in that: comprising the following steps:
the environment monitoring module is used for acquiring environment data of each area corresponding to the stamping production line of the target automobile parts;
the environment analysis module is used for analyzing environment coincidence coefficients of all areas corresponding to the stamping production line of the target automobile parts, so as to obtain unqualified areas of all environments corresponding to the stamping production line of the target automobile parts;
the punching machine monitoring module is used for monitoring the punching machines corresponding to the target automobile part punching production line in real time to obtain the operation parameters of the punching machines corresponding to the target automobile part punching production line;
the punching machine analysis module is used for analyzing the operation safety coefficient of each punching machine corresponding to the target automobile part punching production line, and further obtaining each unqualified punching machine corresponding to the target automobile part punching production line;
the control module is used for feeding back the numbers of the corresponding environment disqualification areas of the target automobile part stamping production line to an administrator and performing shutdown control on the corresponding operation disqualification stamping machines of the target automobile part stamping production line;
the part monitoring module is used for monitoring the appearance of each automobile part according to the preset fixed interval time length to obtain appearance information of each monitoring of each automobile part;
the component analysis module is used for analyzing the appearance conformity of each monitoring of each automobile component and judging the operation parameter changing requirement of each punching machine corresponding to the target automobile component punching production line;
the component analysis module is used for analyzing the rebound coefficient of the automobile component according to the appearance information monitored by each automobile component, and resetting the operation parameters of the target automobile component stamping production line according to the operation parameter changing requirements of each stamping machine;
and the database is used for storing the reference superposition area ratio, the reference thickness ratio, the reference flatness ratio and the reference surface smoothness ratio of the automobile parts, storing the standard appearance information of the automobile parts under each standard operation parameter of the punching machine and storing the standard sample images of the automobile parts.
2. The intelligent control system for an automotive part stamping production line according to claim 1, wherein: the environmental data of the corresponding areas of the target automobile part stamping production line comprise humidity, dust concentration and corrosive substance concentration.
3. The intelligent control system for an automotive part stamping production line according to claim 2, wherein: the specific analysis mode of the environment coincidence coefficients of the corresponding areas of the stamping production line of the target automobile parts is as follows:
extracting humidity, dust concentration and corrosive substance concentration of each region corresponding to the target automobile part stamping production line, and analyzing environment coincidence coefficients of each region corresponding to the target automobile part stamping production lineWherein H is i 、/>Respectively the humidity, dust concentration and corrosive substance concentration of the ith area corresponding to the stamping production line of the target automobile parts, H 0 、/>The humidity, dust concentration and corrosive substance concentration allowed to exist for each region of the set automobile part, i=1, 2, &..a, i is the number of each region;
and comparing the environment coincidence coefficients of the areas corresponding to the target automobile part stamping production line with the set environment coincidence coefficient threshold values respectively, screening to obtain the areas corresponding to the target automobile part stamping production line, wherein the environment coincidence coefficients are smaller than the set environment coincidence coefficient threshold values, marking the areas as the areas corresponding to the unqualified environments of the target automobile part stamping production line, further obtaining the numbers of the areas corresponding to the unqualified environments of the target automobile part stamping production line, and feeding back the numbers.
4. The intelligent control system for an automotive part stamping production line according to claim 1, wherein: the operation parameters of the target automobile part stamping production line corresponding to each stamping machine comprise a die speed, a die pressure and a die temperature.
5. The intelligent control system for an automotive part stamping production line of claim 4, wherein: the specific analysis mode of the operation safety coefficient of each punching machine corresponding to the target automobile part punching production line is as follows:
extracting the die speed, die pressure and die temperature of each punch corresponding to the target automobile part stamping production line, and analyzing the operation safety coefficient of each punch corresponding to the target automobile part stamping production lineWherein V is j 、F j 、T j The die speed, the die pressure and the die temperature of the jth punching machine corresponding to the target automobile part punching production line are respectively V 0 、F 0 、T 0 The current standard die speed, standard die pressure, and standard die temperature extracted from the console of the corresponding punch of the target automobile part punching line, j=1, 2, respectively 1 、β 2 、β 3 Respectively setting the corresponding influence factors of the mould speed, the mould pressure and the mould temperature;
comparing the operation safety coefficients of the stamping production line of the target automobile parts with the set operation safety coefficient threshold values respectively, screening to obtain stamping production lines of the target automobile parts with operation safety coefficients smaller than the set operation safety coefficient threshold values, and marking the stamping production lines of the target automobile parts as stamping machines with unqualified operation corresponding to the stamping production lines of the target automobile parts.
6. The intelligent control system for an automotive part stamping production line according to claim 1, wherein: appearance information of each monitoring of each automobile part comprises overlapping area, thickness, flatness and surface smoothness.
7. The intelligent control system for an automotive part stamping production line of claim 6, wherein: the specific analysis mode of the appearance conformity degree of each monitoring of each automobile part is as follows:
extracting the superposition area, thickness, flatness and surface smoothness of each monitoring of each automobile part, and analyzing the appearance conformity of each monitoring of each automobile partWherein S is xy 、T x ′ y 、γ xy 、G xy The superposition area, thickness, flatness and surface smoothness of the xth automobile part monitored for the yth time are respectively S 0 、T 0 ′、γ 0 、G 0 The standard area, standard thickness, standard flatness, and standard surface smoothness of the automobile parts extracted from the database under the current standard operating parameters of the press, respectively, x=1, 2, and the number of each automobile part, c, and y=1, 2, and the number of each monitoring, d, and y, and d, and k are the number of monitoring, respectively 1 、k 2 、k 3 、k 4 The reference overlapping area ratio, the reference thickness ratio, the reference flatness ratio and the reference surface smoothness ratio of the automobile parts extracted from the database are respectively delta 1 、δ 2 、δ 3 、δ 4 Weight coefficient of the appearance conformity corresponding to the set overlapping area ratio, thickness ratio, flatness ratio and surface smoothness ratio respectively, delta 1 +δ 2 +δ 3 +δ 4 ＝1。
8. The intelligent control system for a stamping line for automotive parts according to claim 7, wherein: the specific judging mode of the target automobile part stamping production line corresponding to the operation parameter changing requirement of each stamping machine is as follows:
extracting the appearance conformity degree of each automobile part monitored for the first time, comparing the appearance conformity degree with a preset appearance conformity degree threshold value respectively, if the appearance conformity degree of one automobile part is larger than or equal to the preset appearance conformity degree threshold value, marking the automobile part as an appearance qualified automobile part, further counting to obtain the total number of the appearance qualified automobile parts monitored for the first time, and marking the total number as c 1 ', and c 1 ' less than or equal to c, calculating to obtain the appearance qualification rate of the automobile parts monitored for the first timeThe primary monitoring qualification rate of the automobile parts is recorded;
the appearance conformity degree of the d-th monitoring of each automobile part is extracted, and the secondary monitoring qualification rate eta of the automobile parts can be obtained by the same method 2 ；
And comparing the primary monitoring qualification rate and the secondary monitoring qualification rate of the automobile parts, if the primary monitoring qualification rate of the automobile parts is larger than the secondary monitoring qualification rate of the automobile parts, changing the operating parameter changing requirements of the target automobile part stamping production line corresponding to each punching machine to be the changing requirements, otherwise, changing the operating parameter changing requirements of the target automobile part stamping production line corresponding to each punching machine to be the requirements without changing.
9. The intelligent control system for a stamping production line of automotive parts according to claim 8, wherein: the specific analysis mode of the rebound coefficient of the target automobile part is as follows:
extracting the superposition area, thickness, flatness and surface smoothness of each appearance qualified automobile part monitored secondarily by the automobile part, and analyzing the rebound coefficient of the automobile part
Wherein S is m1 、T m ′ 1 、γ m1 、G m1 The superposition area, thickness, flatness and surface smoothness of the first monitored of the m-th appearance qualified automobile part respectively monitored for the second time of the automobile part are S md 、T m ′ d 、γ md 、G md The overlapping area, thickness, flatness and surface smoothness of the d-th monitored of the m-th appearance qualified automobile part, which are respectively monitored for the automobile part, m=1, 2 1 、ε 2 、ε 3 、ε 4 The weight factors of the rebound coefficients corresponding to the set superposition area, thickness, flatness and surface smoothness are respectively adopted.
10. The intelligent control system for a stamping production line for automobile parts according to claim 9, wherein: the specific setting mode of resetting the operating parameters of the corresponding punching machines of the target automobile part punching production line with the operating parameter changing requirement is as follows:
extracting standard area, standard thickness, standard flatness and standard surface smoothness of the automobile part under the current standard operation parameters of the punching machine, and importing a calculation model according to the coefficient of resilience of the automobile partAnd->To obtain the proper area S ', proper thickness T', proper flatness gamma ', and proper surface smoothness G', and record it as the appropriate appearance information of the automobile parts;
comparing the proper appearance information of the automobile parts with the standard appearance information of the automobile parts, which is called from an automobile database, under each standard operation parameter of the punching machine, so as to obtain the standard operation parameter of the punching machine corresponding to the proper appearance information of the automobile parts, and marking the standard operation parameter as an operation parameter corresponding to each punching machine of the target automobile parts punching production line;
and correcting the operation parameters of the stamping production line of the target automobile parts, which is required to be changed, according to the operation parameters of each stamping machine, and resetting the operation parameters to the corresponding modification values.
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