CN110082352B - Assembly line type sensor intelligent production line integrating assembly, calibration and test - Google Patents
Assembly line type sensor intelligent production line integrating assembly, calibration and test Download PDFInfo
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- CN110082352B CN110082352B CN201910382468.4A CN201910382468A CN110082352B CN 110082352 B CN110082352 B CN 110082352B CN 201910382468 A CN201910382468 A CN 201910382468A CN 110082352 B CN110082352 B CN 110082352B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
- G01N2021/8416—Application to online plant, process monitoring and process controlling, not otherwise provided for
Abstract
The invention discloses an intelligent production line for an integrated assembly, calibration and test assembly line type sensor, which comprises a first line, a second line and a third line, wherein the first line, the second line and the third line are controlled by a PLC (programmable logic controller); the first section of line comprises a feeding unit, a bonding unit, a material transferring unit, a first curing furnace, a cooling unit, a calibrating unit, a conveying mechanism and an aluminum wire bonding unit, and the second section of line comprises a protective gel coating unit, a first automatic soldering unit, a second automatic soldering unit, an assembling unit and a conveying chain; the three-section line comprises a high-temperature testing unit, an array type cooling unit, a steel ball spotting unit, a conditioning unit, a testing unit and a laser marking unit of the PLC. The assembly line type sensor intelligent production line provided by the invention has the functions of on-line detection, quantitative control of process parameters and data signal feedback control, has the flexible production capacity of multiple types of sensors, and can be used for storing production data of all units into a production line database, so that strong traceability is provided for products.
Description
Technical Field
The invention relates to the technical field of sensor production, in particular to an intelligent production line of a production line type sensor integrating assembly, calibration and test.
Background
The sensor is used as an important sensing unit and widely applied to the fields of automotive electronics, smart home, aerospace, military equipment, engineering machinery, industrial control, medical equipment, internet of things and the like. In particular, in the field of automotive electronics, extremely high requirements are placed on the quality and traceability of sensors. The consistency and reliability of the performance of the sensor are difficult to guarantee by the traditional production mode of manual pipeline operation, and the disadvantage of high labor cost is highlighted in the aspect of batch production.
The existing automatic production line of the sensor only realizes the function of product assembly, simply replaces repeated manual operation, lacks of on-line quality monitoring of products in the automatic production process, and has single product of production line operation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a production line type sensor intelligent production line integrating assembly, calibration and test.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent production line for integrally assembling, calibrating and testing a production line type sensor comprises a first line, a second line and a third line, wherein the first line, the second line and the third line are controlled by a PLC (programmable logic controller);
the first section of line comprises a feeding unit, a bonding unit, a material turnover unit, a first curing furnace, a cooling unit, a calibration unit, a conveying mechanism and an aluminum wire bonding unit, and all the units are in communication connection with the PLC;
the material transfer unit is used for transferring materials among all units of a section of line;
the feeding unit is provided with a CCD detection unit, and the CCD detection unit is used for detecting whether the appearance of the material transmitted by the material turnover unit meets a set standard on line through an image algorithm and sending a judgment result to the PLC; if the judgment result is qualified, the PLC controls the material transfer unit to continuously transmit the materials to the bonding unit;
the bonding unit is provided with an automatic glue dispensing device, a taking and placing device, a force sensing device and a CCD (charge coupled device) nondestructive testing system, materials enter the bonding unit through the material transferring unit, the taking and placing device is used for putting the materials into the automatic glue dispensing device, the automatic glue dispensing device is used for completing a glue marking and bonding process on the materials, the CCD nondestructive testing system is used for performing online nondestructive testing on the materials completing the glue marking and bonding process and feeding back online nondestructive testing results to the PLC; when the online nondestructive testing result shows that the material is qualified, the PLC controls the material transferring unit to transfer the material to the first curing furnace; the force sensing device is used for controlling the bonding lower pressure of the automatic dispensing device;
the first curing oven is used for curing the materials, and the materials are transmitted to the cooling unit through the material transferring unit after being cured;
the cooling unit is used for cooling the material solidified by the first solidifying furnace to a normal temperature state;
the conveying mechanism unit is provided with a linear guide rail, and the linear guide rail is arranged between the cooling unit and the aluminum wire bonding unit and used for conveying the cooled material to the aluminum wire bonding unit;
the aluminum wire bonding unit is used for completing the electrical interconnection of materials through ultrasonic welding; the aluminum wire bonding unit is also provided with an aluminum wire welding spot quality image recognition system and a welding spot welding strength tension detection system which are respectively used for detecting the aluminum wire welding spot quality and the welding spot welding strength tension, and the detection result is fed back to the PLC; when the detection result shows that the materials are qualified, the PLC controller controls the materials to be transmitted to the calibration unit, otherwise, the materials are placed into a unqualified product box;
the calibration unit is used for performing signal calibration on the product processed by the aluminum wire bonding unit, and a calibration result is transmitted to the PLC; the PLC controls the manipulator to place qualified products on the belt type conveying bridge frame according to the calibration result, and places unqualified products on the unqualified collection box;
the second section of wire comprises a protective gel coating unit, an automatic soldering unit I, an automatic soldering unit II, an assembling unit and a transmission chain which are all in communication connection with the PLC; the protective gel coating unit, the automatic soldering unit I, the automatic soldering unit II and the assembling unit are used for transferring materials through a conveying chain; the belt-type conveying bridge frame conveys the materials processed by one section of line to the protective gel coating unit, and the protective gel coating unit, the automatic soldering unit I, the automatic soldering unit II and the assembling unit are respectively used for sequentially performing protective gel coating, circuit board soldering and shell assembling on the materials; the assembled product is transferred to a second curing oven for curing through a second six-axis robot;
the automatic soldering unit I and the automatic soldering unit II are both provided with an online judging system for judging the welding quality online and feeding the welding quality back to the PLC; when the welding quality is qualified, the PLC controls the conveying chain to convey the materials to the assembling unit for assembling;
the three sections of lines comprise a high-temperature testing unit, an array type cooling unit, a steel ball dispensing unit, a conditioning unit, a testing unit and a laser marking unit which are all in communication connection with the PLC; the high-temperature testing unit, the array type cooling unit, the steel ball spotting unit, the conditioning unit, the testing unit and the laser marking unit are communicated with each other through a transfer chain to transfer materials;
the high-temperature test unit is used for carrying out high-temperature test on the material solidified by the second curing oven;
the array type cooling unit is used for cooling the material subjected to the high-temperature test;
the steel ball dispensing unit is used for pressing steel balls into the material cooled by the array type cooling unit; the steel ball dotting unit is provided with an image judging system, the image judging system is used for carrying out image detection after each steel ball is pressed into the steel ball dotting unit, judging whether the pressed steel ball is qualified on line, feeding back a judgment result to the PLC, and when the judgment result is qualified, the PLC controls the material to be transmitted to the conditioning unit;
the conditioning unit is stored with conditioning programs for calibrating the output signals of different products, and is used for calibrating the output signals of the different products by adopting the corresponding conditioning programs;
the test unit comprises a test platform compatible with various products and is used for completing the performance test of different types of sensor products and feeding back the test result to the PLC; and when the performance test result shows that the product is qualified, the PLC controls the laser marking unit to perform a marking process on the final product, and if the product is unqualified, the PLC controls the manipulator to place the unqualified product in an unqualified product box.
Furthermore, the material turnover unit comprises a transmission chain and a tray arranged on the transmission chain, the tray is used for placing a material carrier carrying materials, and the transmission chain is used for transmitting the tray in each unit of one section of line.
Furthermore, the material turnover unit further comprises a tray jacking mechanism, wherein the tray jacking mechanism is used for jacking the tray to separate the tray from the transmission chain under the control of the PLC, so that the tray is stopped, and the material turnover unit is matched with each unit to take and place the material carrier.
Further, a section of line still includes six axis robot one, six axis robot one is used for: under the control of the PLC, the material with qualified online nondestructive testing results is clamped to a first curing furnace from a material transfer unit, and the material with unqualified online nondestructive testing results is clamped to an unqualified product collection box; the material transferring unit is used for taking out the material after the curing of the curing furnace and transferring the material to the material transferring unit.
Furthermore, the first six-axis robot is provided with an image recognition system, and the image recognition system is used for recognizing the position of the material and compensating the position precision when the first six-axis robot clamps the material.
Furthermore, a reciprocating chain is arranged in the first curing oven, and the material entering the first curing oven is placed on the reciprocating chain for curing.
Furthermore, the aluminum wire bonding unit is connected with the calibration unit through a moving guide rail, and a three-axis manipulator is arranged; when the detection results of the aluminum wire welding spot quality image recognition system and the welding spot welding strength tension detection system are qualified, the PLC controls the moving guide rail to transmit the qualified products to the calibration unit, and controls the three-axis manipulator to place the qualified products on the station of the calibration unit, otherwise, the PLC controls the three-axis manipulator to place the unqualified products into the unqualified product box.
Further, the assembly unit is provided with a force detection and feedback system for controlling the assembly force in real time and feeding the assembly force back to the PLC.
Further, the high-temperature test unit is arranged at the most proximal end of the second curing oven.
Furthermore, an ID card is arranged on the material, scanning guns are arranged on each unit of the first section of line, the second section of line and the third section of line, and the scanning guns of each unit are used for scanning the ID card on the material to obtain the ID information of the material and transmitting the ID information to the PLC when the process is executed; and the PLC transmits the ID information to the database system, transmits the production data fed back by each unit to the database system, and the database system performs relevance storage and recording on the production data corresponding to the ID information of the material.
The invention has the beneficial effects that: the assembly line type sensor intelligent production line provided by the invention has the functions of on-line detection, quantitative control of process parameters and data signal feedback control, has the flexible production capacity of multiple types of sensors, and can be used for storing production data of all units into a production line database, so that strong traceability is provided for products.
Drawings
Fig. 1 is a schematic plan view of a production line in embodiment 1 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
The embodiment provides an intelligent production line for integrated assembly, calibration and testing of a pipeline type sensor, as shown in fig. 1, the intelligent production line comprises a first section line 100, a second section line 200 and a third section line 300, wherein the first section line 100, the second section line 200 and the third section line 300 are all controlled by a PLC controller;
the first line 100 comprises a feeding unit 110, a bonding unit 120, a material circulation unit 130, a first curing oven 400, a cooling unit 140, a calibration unit 150, a conveying mechanism 160 and an aluminum wire bonding unit 170, and all the units are in communication connection with the PLC;
the material transfer unit 130 is used for transferring materials among the units of a section of the line 100;
the feeding unit 110 is provided with a CCD detection unit, and the CCD detection unit is used for detecting whether the appearance of the material transmitted by the material transferring unit 130 meets a set standard on line through an image algorithm and sending a judgment result to the PLC; if the judgment result is qualified, the PLC controller controls the material transfer unit 130 to continuously transmit the material to the bonding unit 120;
the bonding unit 120 is provided with an automatic glue dispensing device, a taking and placing device, a force sensing device and a CCD (charge coupled device) nondestructive testing system, materials enter the bonding unit 120 through the material transferring unit 130, the taking and placing device is used for putting the materials into the automatic glue dispensing device, the automatic glue dispensing device is used for completing a glue marking and bonding process on the materials, the CCD nondestructive testing system is used for performing online nondestructive testing on the materials completing the glue marking and bonding process and feeding back online nondestructive testing results to the PLC; when the online nondestructive testing result shows that the material is qualified, the PLC controls the material transferring unit 130 to transfer the material to the first curing furnace 400; the force sensing device is used for controlling the bonding lower pressure of the automatic dispensing device;
the first curing oven 400 is used for curing the material, and the material is transmitted to the cooling unit 140 from the material transfer unit 130 after the material is cured;
the cooling unit 140 is provided with an array type rapid cooling fan for cooling the material solidified by the first curing oven 400 to a normal temperature state;
the conveying mechanism 160 unit is provided with a linear guide rail, and the linear guide rail is arranged between the cooling unit 140 and the aluminum wire bonding unit 170 and is used for conveying the cooled material to the aluminum wire bonding unit 170;
the aluminum wire bonding unit 170 is used for completing electrical interconnection of materials through ultrasonic welding; the aluminum wire bonding unit is also provided with an aluminum wire welding spot quality image recognition system and a welding spot welding strength tension detection system which are respectively used for detecting the aluminum wire welding spot quality and the welding spot welding strength tension, and the detection result is fed back to the PLC; when the detection result shows that the materials are qualified, the PLC controller controls the materials to be transmitted to the calibration unit, otherwise, the materials are placed into a unqualified product box;
the calibration unit 150 is provided with a multi-station turntable type calibration mechanism for performing signal calibration on the product processed by the aluminum wire bonding unit 170, and a calibration result is transmitted to the PLC controller; the PLC controller controls the manipulator to place qualified products on the belt conveyor bridge frame 180 according to the calibration result, and places unqualified products on the unqualified collection box.
In this embodiment, the material circulation unit 130 includes a conveying chain 190 and a tray disposed on the conveying chain, the tray is used for placing a material boat carrying the material, and the conveying chain 190 is used for conveying the tray in each unit of the section of line 100.
Furthermore, the material circulation unit 130 further comprises a tray jacking mechanism, and the tray jacking mechanism is used for jacking the tray to separate the tray from the transmission chain 190 under the control of the PLC controller, so as to stop the tray, and cooperate with each unit to take and place the material carrier.
In this embodiment, the length of wire 100 further includes a first six-axis robot 500, where the first six-axis robot 500 is configured to: under the control of the PLC, the material with qualified online nondestructive testing results is clamped from the material transfer unit 130 to the first curing furnace 400, and the material with unqualified online nondestructive testing results is clamped to the unqualified product collection box; the material transfer unit is used for taking out the material cured by the first curing furnace 400 and transferring the material to the material transfer unit 130.
Specifically, the material after the curing of the first curing oven 400 can stay at the material taking position of the first curing oven 400, a photoelectric sensor is arranged on the material taking position, the photoelectric sensor transmits a detected signal to the PLC, and the PLC controls the first six-axis robot 500 to take out the material and transfer the material to the material transferring unit 130 according to the signal.
Furthermore, the first six-axis robot 500 is provided with an image recognition system, and the image recognition system is used for recognizing the position of the material and compensating the position precision when the first six-axis robot clamps the material.
Furthermore, in this embodiment, the inside of the first curing oven 400 is provided with a reciprocating chain 410, and the material entering the first curing oven 400 is placed on the reciprocating chain for curing. The reciprocating chain arrangement has the effects of increasing the retention time of the materials in the first curing oven 400, fully curing the adhesive, and simultaneously utilizing the internal space of the first curing oven 400 to the maximum extent to increase the number of cured products.
In this embodiment, the aluminum wire bonding unit 170 is connected to the calibration unit 150 through a moving guide rail, and a three-axis manipulator is provided; when the detection results of the aluminum wire welding spot quality image recognition system and the welding spot welding strength tension detection system are qualified, the PLC controls the moving guide rail to transmit the qualified products to the calibration unit, and controls the three-axis manipulator to place the qualified products on the station of the calibration unit, otherwise, the PLC controls the three-axis manipulator to place the unqualified products into the unqualified product box.
In this embodiment, a fan alarm indicator is provided on the cooling unit.
The second section of wire 200 comprises a protective gel coating unit 210, an automatic soldering unit I220, an automatic soldering unit II 230, an assembling unit 240 and a transmission chain 250 which are all in communication connection with a PLC controller; the protective gel coating unit 210, the automatic soldering unit I220, the automatic soldering unit II 230 and the assembling unit 240 are used for transferring materials through a conveying chain 250; the belt-type conveying bridge frame 180 conveys the materials processed by the section of the wire 100 to the protective gel coating unit 210, and the protective gel coating unit 210, the automatic soldering unit I220, the automatic soldering unit II 230 and the assembling unit 240 are respectively used for sequentially performing protective gel coating, circuit board soldering and shell assembling on the materials; the assembled product is transferred to a second curing oven 420 through a second six-axis robot 510 for curing;
the first automatic soldering unit 220 and the second automatic soldering unit 230 are both provided with an online judging system for judging the welding quality online and feeding the welding quality back to the PLC; when the welding quality is qualified, the PLC controls the conveying chain 250 to convey the materials to the assembling unit 240 for assembling. The first automatic soldering unit 220 and the second automatic soldering unit 230 are both used for soldering, and are respectively used for soldering different functional areas of materials.
Further, the assembly unit is provided with a force detection and feedback system for controlling the assembly force in real time and feeding the assembly force back to the PLC.
The three-section wire 300 comprises a high-temperature testing unit 310, an array type cooling unit 320, a steel ball dotting unit 330, a conditioning unit 340, a testing unit 350 and a laser marking unit 360 which are all in communication connection with a PLC; the high-temperature testing unit 310, the array type cooling unit 320, the steel ball spotting unit 330, the conditioning unit 340, the testing unit 350 and the laser marking unit 360 are communicated through a transfer chain 370 to transfer materials.
The high-temperature test unit 310 is used for performing high-temperature test on the material cured by the second curing oven 420; after the material is cured by the second curing furnace 420, the cured material flows to the material taking position arranged on the second curing furnace 420, the photoelectric sensor on the material taking position of the second curing furnace 420 is triggered, the photoelectric sensor feeds back signals to the PLC, then the PLC sends instructions to the second six-axis robot 510, the second six-axis robot 510 places the material cured by the second curing furnace 420 on the transmission chain 370 of the three-section line, and the material flows in each unit of the three-section line through the transmission chain 370.
The array cooling unit 320 is used for cooling the material subjected to the high-temperature test;
the steel ball dotting unit 330 is used for pressing steel balls into the material cooled by the array type cooling unit 320; the steel ball dotting unit 330 is provided with an image judging system, the image judging system is used for carrying out image detection after each steel ball is pressed into the steel ball dotting unit 330, judging whether the pressed steel ball is qualified on line, feeding back a judgment result to the PLC controller, and when the judgment result is qualified, the PLC controller controls the material to be transmitted to the conditioning unit 340;
the conditioning unit 340 stores conditioning programs for calibrating output signals of different products, and is configured to calibrate the output signals of different products by using corresponding conditioning programs. In this embodiment, the same conditioning unit 340 can be compatible with output signal calibration of 4 different products at the same time.
The test unit 350 includes a test platform compatible with various products, and is used for completing performance tests of different types of sensor products and feeding back test results to the PLC controller; when the performance test result shows that the product is qualified, the PLC controls the laser marking unit 360 to perform a marking process on the final product, and if the product is unqualified, the PLC controls the manipulator to place the unqualified product in an unqualified product box.
Further, the high temperature test unit 310 is disposed at the proximal end of the second curing oven 420, so as to ensure the minimum temperature loss during high temperature test.
In this embodiment, the material is provided with an ID card, each unit on the first segment line, the second segment line and the third segment line is provided with a scanning gun, and the scanning gun of each unit is used for scanning the ID card on the material to obtain ID information of the material and transmitting the ID information to the PLC controller when the process is executed; the PLC transmits the ID information to the database system, transmits the production data fed back by each unit to the database system, and the database system stores and records the production data (including detection results of each process and the like) corresponding to the ID information of the material in a correlation manner.
The assembly, calibration and test integrated assembly, calibration and test assembly line type sensor intelligent production line has the functions of on-line detection, quantitative control of process parameters and data signal feedback control, also has the flexible production capacity of various types of sensors, and can provide strong traceability for products because production data of all units are stored in a database system.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (8)
1. An intelligent production line for integrally assembling, calibrating and testing a production line type sensor is characterized by comprising a first section of line, a second section of line and a third section of line, wherein the first section of line, the second section of line and the third section of line are controlled by a PLC (programmable logic controller);
the first section of line comprises a feeding unit, a bonding unit, a material turnover unit, a first curing furnace, a cooling unit, a calibration unit, a conveying mechanism unit and an aluminum wire bonding unit, and all the units are in communication connection with the PLC;
the material transfer unit is used for transferring materials among all units of a section of line;
the feeding unit is provided with a CCD detection unit, and the CCD detection unit is used for detecting whether the appearance of the material transmitted by the material turnover unit meets a set standard on line through an image algorithm and sending a judgment result to the PLC; if the judgment result is qualified, the PLC controls the material transfer unit to continuously transmit the materials to the bonding unit;
the bonding unit is provided with an automatic glue dispensing device, a taking and placing device, a force sensing device and a CCD (charge coupled device) nondestructive testing system, materials enter the bonding unit through the material transferring unit, the taking and placing device is used for putting the materials into the automatic glue dispensing device, the automatic glue dispensing device is used for completing a glue marking and bonding process on the materials, the CCD nondestructive testing system is used for performing online nondestructive testing on the materials completing the glue marking and bonding process and feeding back online nondestructive testing results to the PLC; when the online nondestructive testing result shows that the material is qualified, the PLC controls the material transferring unit to transfer the material to the first curing furnace; the force sensing device is used for controlling the bonding lower pressure of the automatic dispensing device;
the first curing oven is used for curing the materials, and the materials are transmitted to the cooling unit through the material transferring unit after being cured;
the cooling unit is used for cooling the material solidified by the first solidifying furnace to a normal temperature state;
the conveying mechanism unit is provided with a linear guide rail, and the linear guide rail is arranged between the cooling unit and the aluminum wire bonding unit and used for conveying the cooled material to the aluminum wire bonding unit;
the aluminum wire bonding unit is used for completing the electrical interconnection of materials through ultrasonic welding; the aluminum wire bonding unit is also provided with an aluminum wire welding spot quality image recognition system and a welding spot welding strength tension detection system which are respectively used for detecting the aluminum wire welding spot quality and the welding spot welding strength tension, and the detection result is fed back to the PLC; when the detection result shows that the materials are qualified, the PLC controller controls the materials to be transmitted to the calibration unit, otherwise, the materials are placed into a unqualified product box;
the calibration unit is used for performing signal calibration on the product processed by the aluminum wire bonding unit, and a calibration result is transmitted to the PLC; the PLC controls the manipulator to place qualified products on the belt type conveying bridge frame according to the calibration result, and places unqualified products on the unqualified product box;
the second section of wire comprises a protective gel coating unit, an automatic soldering unit I, an automatic soldering unit II, an assembling unit and a transmission chain which are all in communication connection with the PLC; the protective gel coating unit, the automatic soldering unit I, the automatic soldering unit II and the assembling unit are used for transferring materials through a conveying chain; the belt-type conveying bridge frame conveys the materials processed by one section of line to the protective gel coating unit, and the protective gel coating unit, the automatic soldering unit I, the automatic soldering unit II and the assembling unit are respectively used for sequentially performing protective gel coating, circuit board soldering and shell assembling on the materials; the assembled product is transferred to a second curing oven for curing through a second six-axis robot;
the automatic soldering unit I and the automatic soldering unit II are both provided with an online judging system for judging the welding quality online and feeding the welding quality back to the PLC; when the welding quality is qualified, the PLC controls the conveying chain to convey the materials to the assembling unit for assembling; the assembly unit is provided with a force detection and feedback system for controlling the assembly force in real time and feeding the assembly force back to the PLC;
the three sections of lines comprise a high-temperature testing unit, an array type cooling unit, a steel ball dispensing unit, a conditioning unit, a testing unit and a laser marking unit which are all in communication connection with the PLC; the high-temperature testing unit, the array type cooling unit, the steel ball spotting unit, the conditioning unit, the testing unit and the laser marking unit are communicated with each other through a transfer chain to transfer materials;
the high-temperature test unit is used for carrying out high-temperature test on the material solidified by the second curing oven;
the array type cooling unit is used for cooling the material subjected to the high-temperature test;
the steel ball dispensing unit is used for pressing steel balls into the material cooled by the array type cooling unit; the steel ball dotting unit is provided with an image judging system, the image judging system is used for carrying out image detection after each steel ball is pressed into the steel ball dotting unit, judging whether the pressed steel ball is qualified on line, feeding back a judgment result to the PLC, and when the judgment result is qualified, the PLC controls the material to be transmitted to the conditioning unit;
the conditioning unit is stored with conditioning programs for calibrating the output signals of different products, and is used for calibrating the output signals of the different products by adopting the corresponding conditioning programs;
the test unit comprises a test platform compatible with various products and is used for completing the performance test of different types of sensor products and feeding back the test result to the PLC; when the performance test result shows that the product is qualified, the PLC controls the laser marking unit to perform a marking process on the final product, and if the product is unqualified, the PLC controls the manipulator to place the unqualified product in an unqualified product box;
the material is provided with an ID card, each unit on the first section line, the second section line and the third section line is provided with a scanning gun, and the scanning gun of each unit is used for scanning the ID card on the material to obtain the ID information of the material and transmitting the ID information to the PLC when the working procedure is executed; and the PLC transmits the ID information to the database system, transmits the production data fed back by each unit to the database system, and the database system performs relevance storage and recording on the production data corresponding to the ID information of the material.
2. The intelligent production line of integrated assembly, calibration and test of claim 1, wherein the material circulation unit comprises a transmission chain and a tray arranged on the transmission chain, the tray is used for placing a material carrier boat carrying materials, and the transmission chain is used for transmitting the tray in each unit of a section of the line.
3. The intelligent production line of integrated assembly, calibration and test of pipeline sensors of claim 2, wherein the material transfer unit further comprises a tray jacking mechanism, and the tray jacking mechanism is used for jacking the tray to separate the tray from the transmission chain under the control of the PLC controller, so as to stop the tray, and match each unit to pick and place the material carrier boat.
4. The intelligent production line of integrated assembly, calibration and testing of claim 1, wherein the one section of line further comprises a first six-axis robot, the first six-axis robot being configured to: under the control of the PLC, the materials with qualified online nondestructive testing results are clamped to a first curing furnace from a material transfer unit, and the materials with unqualified online nondestructive testing results are clamped to an unqualified product box; the material transferring unit is used for taking out the material after the curing of the curing furnace and transferring the material to the material transferring unit.
5. The intelligent production line of integrated assembly, calibration and test of pipelined sensors of claim 4, characterized in that the first six-axis robot is provided with an image recognition system, and the image recognition system is used for recognizing the position of the material and compensating the position accuracy when the first six-axis robot grips the material.
6. The intelligent production line of integrated assembly, calibration and test of pipeline sensors as claimed in claim 4, wherein a reciprocating chain is arranged inside the first curing oven, and the material entering the first curing oven is placed on the reciprocating chain for curing.
7. The intelligent production line of integrated assembly, calibration and test of sensors according to claim 1, wherein the aluminum wire bonding unit is connected with the calibration unit through a motion guide rail and is provided with a three-axis manipulator; when the detection results of the aluminum wire welding spot quality image recognition system and the welding spot welding strength tension detection system are qualified, the PLC controls the moving guide rail to transmit the qualified products to the calibration unit, and controls the three-axis manipulator to place the qualified products on the station of the calibration unit, otherwise, the PLC controls the three-axis manipulator to place the unqualified products into the unqualified product box.
8. The intelligent production line of integrated assembly, calibration and testing of claim 1, wherein the high temperature test unit is disposed at the proximal end of the second curing oven.
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