CN115616382A - Automatic test equipment and test method - Google Patents
Automatic test equipment and test method Download PDFInfo
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- CN115616382A CN115616382A CN202211347593.XA CN202211347593A CN115616382A CN 115616382 A CN115616382 A CN 115616382A CN 202211347593 A CN202211347593 A CN 202211347593A CN 115616382 A CN115616382 A CN 115616382A
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- 238000012360 testing method Methods 0.000 title claims abstract description 234
- 238000010998 test method Methods 0.000 title abstract description 5
- 238000007599 discharging Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 238000010892 electric spark Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010330 laser marking Methods 0.000 description 3
- 238000013522 software testing Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides automatic test equipment which comprises a rack, a tester, a roll-to-roll feeding machine, a roll-to-roll discharging machine, a base, two groups of pressing components, a modular carrier plate and a modular ceiling, wherein at least two flexible circuit boards to be tested are arranged on a whole board product; the modularized support plate comprises a mounting flat plate and a plurality of jacking positioning components; the modularized ceiling comprises a lifting frame and at least two sets of test modules. According to the automatic test equipment provided by the invention, when different flexible circuit boards are tested, the modular antenna board and the modular carrier board only need to be integrally disassembled, assembled and replaced, so that the compatibility of the automatic test equipment is greatly improved, and the test cost of the flexible circuit boards is reduced. The invention also provides a test method based on the automatic test equipment. The testing method provided by the invention can be used for synchronously testing the electrical property of the whole board product in unit length by utilizing the automatic testing equipment.
Description
Technical Field
The invention relates to the technical field of testing of flexible circuit boards, in particular to automatic testing equipment and a testing method.
Background
A Flexible Printed Circuit (FPC) is a Printed Circuit board having high reliability and excellent flexibility, which is made of polyimide or mylar as a base material. Flexible circuit boards have high wiring density, light weight, thin thickness, and good flexibility, and are widely used in various electronic devices. With the widespread use of flexible circuit boards, the throughput requirements for testing thereof are also higher and higher. The traditional flexible circuit board testing equipment can only be suitable for the testing requirement of a certain flexible circuit board, but the testing of different flexible circuit boards cannot be compatible, so that the testing equipment needs to be redesigned for application, and the testing cost is high.
The existing test equipment for the flexible circuit board has single function, the test equipment can only be used for testing one flexible circuit board, and when various electrical tests are required to be carried out on one flexible circuit board simultaneously, the various electrical tests on one flexible circuit board can be completed only by conversion in different test equipment, so that the test period of the flexible circuit board is prolonged, and the whole test time is prolonged in a multiplied manner. And traditional test equipment to the flexible circuit board, only can test a slice of flexible circuit board at every turn, even realize full automated test process, its efficiency of software testing and test effect still are too low, can't satisfy the large batch test demand of the short time of large batch flexible circuit board.
Disclosure of Invention
The invention aims to overcome the defects that the existing test equipment for the flexible circuit board is poor in compatibility and single in function, and the test efficiency is low, the test cost is high and the test period is long because only one product can be tested each time.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic test device comprises a rack, a tester arranged in the rack, a roll-to-roll feeding machine and a roll-to-roll discharging machine which are respectively arranged on two sides of the rack, wherein the roll-to-roll feeding machine inputs an entire plate product into the rack, and the entire plate product in the rack is recovered by the roll-to-roll discharging machine; the modular support plate comprises an installation flat plate for supporting the whole plate product and a plurality of jacking positioning components uniformly distributed on the installation flat plate; the modularized top plate comprises a lifting frame arranged on the rack and positioned above the modularized carrier plate and at least two sets of test modules arranged at the bottom of the lifting frame and electrically connected with the tester, and the test modules are arranged in one-to-one correspondence with the flexible circuit boards arranged on the whole plate product; the test module comprises at least one test pin module and an identification module, wherein the test pin module and the identification module are fixed on the lifting frame.
In one embodiment, the jacking positioning assembly of the modular carrier plate comprises a jacking driving part fixed on the mounting flat plate and a positioning pin driven by the jacking driving part to lift, and the positioning pin can be inserted into a positioning hole arranged on the whole plate product when lifted.
In one embodiment, the modular carrier further comprises a pair of transmission parts fixed on two sides of the top surface of the mounting plate; the conveying part comprises a pair of conveying rollers which are fixed at the end part of the mounting flat plate and are arranged in parallel.
In one embodiment, a plurality of limiting blocks are uniformly distributed at the bottom of the lifting frame of the modular ceiling along the edge of the frame, and when the modular ceiling is pressed down, the bottom surfaces of the limiting blocks are mutually abutted with the top surface of the installation flat plate of the modular carrier plate.
In one embodiment, the bottom of the lifting frame of the modular ceiling plate is further provided with a plurality of positioning columns, the installation flat plate of the modular support plate is provided with a plurality of guide holes arranged corresponding to the positioning columns, and when the modular ceiling plate is pressed downwards, the positioning columns are inserted into the guide holes of the installation flat plate.
In one embodiment, the lifting frame of the modular ceiling comprises a first lifting driving part fixed on the base and a mounting frame driven by the first lifting driving part, and the test module is fixed at the bottom of the mounting frame.
In one embodiment, the pressing assembly comprises a support fixed on the base, a roller arranged on the support, a bar-shaped pressing block arranged on the support and positioned above the roller, and a second lifting driving component fixed on the support and used for driving the bar-shaped pressing block to abut against the roller.
The automatic test equipment provided by the invention has the beneficial effects that:
firstly, the automatic test equipment comprises a modular ceiling and a modular carrier plate, and when different flexible circuit boards are tested, the electrical test requirements of the different flexible circuit boards can be met only by integrally disassembling, assembling and replacing the modular ceiling and the modular carrier plate, so that the compatibility of the automatic test equipment is greatly improved, and the test cost of the flexible circuit boards is reduced;
secondly, different electrical tests such as OS test, insulation test, electric spark test and the like can be carried out on a plurality of flexible circuit boards on the whole board product through a tester arranged in the rack, the functionality of the testing equipment is improved, one testing equipment can meet various testing requirements of the flexible circuit boards, and the testing period of the flexible circuit boards can be effectively shortened;
third, this automatic test equipment cooperation volume is to volume material loading machine, volume is to volume unloader go on the unloading operation in the automation, can test in can once only inputting the frame with whole board product, is provided with a plurality of flexible circuit board on the whole board product to not only can accomplish automatic unloading process of going up, reduce artifical intensity of labour, can also accomplish the test operation to a plurality of flexible circuit board when a modularization sky board pushes down simultaneously, promote flexible circuit board's efficiency of software testing by a wide margin.
The invention also provides a test method based on the automatic test equipment, which comprises the following steps:
feeding, wherein the roll-to-roll feeding machine conveys the whole plate product into the rack;
positioning a product, namely relatively fixing the whole plate product and the installation flat plate by utilizing a jacking positioning assembly of the modular support plate;
the product testing, the testing module on the modularized antenna board is driven by the first lifting driving part to be pressed downwards and abutted to the flexible circuit board of the whole board product, and the flexible circuit board is electrically tested by using a tester;
the test resetting is carried out, the test module on the modularized top plate is driven by the first lifting driving part to lift, so that the test module is separated from the flexible circuit board, and the material pressing component loosens the end parts of two sides of the whole plate product;
and blanking, wherein the roll-to-roll blanking machine is used for blanking the whole plate product in the rack.
In one embodiment, the method further comprises an identification step arranged between the test reset and the blanking, and after the test reset, the identification component of the test module performs identification operation on all the tested flexible circuit boards according to different test results.
In one embodiment, the automatic feeding device further comprises a product fixing step arranged between the feeding step and the product positioning step and a discharging step arranged before the discharging step, in the product fixing step, the two groups of pressing assemblies clamp two side end parts of the whole plate product positioned in the rack, and in the discharging step, the two groups of pressing assemblies release two side end parts of the whole plate product positioned in the rack.
The test method provided by the invention has the beneficial effects that: the automatic testing equipment can be used for carrying out synchronous electrical testing on the whole board product in unit length, the flexible circuit board can be subjected to targeted testing according to customer requirements, and the flexible circuit board can be subjected to automatic feeding and discharging operation, batch testing and batch laser marking and identification, so that the testing requirement of the flexible circuit board can be met, the testing period is shortened, the testing efficiency is improved, and the labor intensity is greatly reduced.
Drawings
FIG. 1 is a schematic perspective view of an automated testing apparatus according to the present invention;
fig. 2 is a schematic perspective view of an automated testing equipment provided by the present invention when a modular top board and a modular carrier board are removed from a rack;
FIG. 3 is a schematic perspective view of a modular carrier board and a modular ceiling of an automated test equipment according to the present invention when they are not pressed together;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic perspective view of a jacking positioning assembly in an automated testing apparatus according to the present invention;
FIG. 6 is a schematic perspective view of a first elevating driving member in an automated testing device according to the present invention;
FIG. 7 is a schematic perspective view of a modular ceiling in an automated test equipment according to the present invention;
fig. 8 is a partial enlarged view at B in fig. 7;
FIG. 9 is a flow chart of a testing method provided by the present invention.
Description of reference numerals:
100-automatic test equipment, 10-a rack, 20-a tester, 30-a roll-to-roll feeding machine, 40-a roll-to-roll discharging machine, 50-a whole plate product, 51-a flexible circuit board and 60-a base;
70-pressing component, 71-bracket, 72-roller, 73-bar-shaped pressing block and 74-second lifting driving component;
80-modularized carrier plate, 81-installation flat plate, 811-guide hole, 82-jacking positioning component, 821-jacking driving component, 822-positioning pin, 83-transmission part and 831-transmission roller;
90-modularization ceiling, 91-lifting frame, 911-limiting block, 912-positioning column, 913-first lifting driving component, 9131-driving cylinder, 9132-mounting seat, 9133-hydraulic buffer, 92-testing module, 921-testing pin die component and 922-identification component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-8, an automated test equipment 100 is provided according to the present invention. This automatic change test equipment 100 can be used to the electric property capability test of various flexible circuit board 51, can go up the unloading operation in the automation to flexible circuit board 51, and the completion that can be simultaneously the batched at every turn operation is to the synchronous test of a plurality of flexible circuit board 51, and accomplish different electric test on same platform machine, and mark and classify the test result, thereby promote flexible circuit board 51's efficiency of software testing by a wide margin, reduce flexible circuit board 51's test cost and test cycle.
Fig. 1 is a schematic perspective view of an automated testing apparatus 100 according to the present invention. The automatic test equipment 100 provided by the invention comprises a rack 10, a tester 20 arranged in the rack 10, and a roll-to-roll feeding machine 30 and a roll-to-roll discharging machine 40 respectively arranged at two sides of the rack 10, wherein the roll-to-roll feeding machine 30 inputs a whole plate product 50 into the rack 10, and the whole plate product 50 in the rack 10 is recovered through the roll-to-roll discharging machine 40. In this embodiment, the tester 20 can perform an OS open end test, an electric spark test, an insulation test, and the like on the flexible circuit board 51. The tester 20 is disposed in the rack 10, and is capable of performing corresponding electrical performance tests on the entire board product 50 entering the rack 10, and recording, storing and marking test results, so that the product can be identified in a targeted manner after the entire board product 50 is discharged. Meanwhile, as shown in fig. 1, the rack 10 is further provided with a computer device, which can feed back the result of each test in real time and feed back the data to a display, so that the tester can observe and record the data in real time. This volume to volume material loading machine 30 and volume to volume material unloading machine 40 are located the left and right sides of frame 10 respectively, for the test in the frame 10 provides last unloading service, wherein the storage has the whole board product 50 of untested in the volume to volume material loading machine 30, through the synchronous drive of volume to volume material loading machine 30 and volume to volume material unloading machine 40 both, whole board product 50 can be exported by in the volume to volume material loading machine 30, test in getting into the frame 10, and the whole board product 50 of accomplishing the test in the frame 10 will export in the frame 10 and get into in the volume to volume material unloading machine 40 in step. The rack 10 is matched with a roll-to-roll feeding machine 30 and a roll-to-roll discharging machine 40 on the left side and the right side, and conveying and storing of products to be detected are completed. The tester 20 in the rack 10 can be configured according to the test requirements of different flexible circuit boards 51, so that the automated test equipment 100 provided by the present invention can complete the test requirements of various functions of the flexible circuit boards 51. The tester 20 provided in the automated test equipment 100 provided by the present invention can perform various performance tests on the flexible circuit board 51. Different electrical tests such as an OS test, an insulation test, an electric spark test and the like are performed on the plurality of flexible circuit boards 51 on the entire board product 50 by the tester 20 arranged in the rack 10, so that the functionality of the test equipment is improved, one test equipment can meet various test requirements of the flexible circuit boards 51, and the test period of the flexible circuit boards 51 can be effectively shortened.
Fig. 2 is a schematic perspective view of the entire rack 10 of the automatic test equipment 100 according to the present invention, and in fig. 2, the modular carrier board 80 and the modular ceiling board 90 are not placed in the rack 10. Fig. 3 is a schematic perspective view of a modular carrier board 80 and a modular ceiling board 90 of an automatic test equipment 100 according to the present invention when testing is not performed in a press-fit manner. Referring to fig. 1, 2 and 3, the automation device 100 of the present invention further includes a base 60 fixed on the rack 10, two sets of pressing assemblies 70 respectively fixed on two sides of the rack 10, a modular carrier board 80 disposed on the base 60, and a liftable modular ceiling board 90 disposed on the rack 10 and electrically connected to the tester 20. The rack 10 is divided into an upper space and a lower space by a base 60, wherein the tester 20 is placed below the base 60 of the rack 10, and the modular carrier board 80 and the modular ceiling board 90 are fixed above the base 60 of the rack 10. The pressing assemblies 70 are respectively disposed on two sides of the base 60 of the rack 10, and the pressing assemblies 70 can fix two ends of the whole board product 50 entering the rack 10 before the test, so as to prevent the whole board product 50 from unnecessarily shaking during the test. In the actual testing process, the modular ceiling 90 is pressed down to abut against the modular carrier board 80 and abuts against the whole board product 50 on the modular carrier board 80 to realize electrical connection, so that after the whole board product 50 is electrically communicated with the tester 20, the tester 20 completes the test on the whole board product 50. The automatic test equipment 100 provided by the invention comprises the modular antenna 90 and the modular carrier plate 80, and when different flexible circuit boards 51 are tested, the electrical test requirements of different flexible circuit boards 51 can be met only by integrally disassembling and replacing the modular antenna 90 and the modular carrier plate 80, so that the compatibility of the automatic test equipment 100 is greatly improved, and the test cost of the flexible circuit boards 51 is reduced.
As shown in fig. 3, the present invention provides an automatic test equipment 100, in which at least two flexible circuit boards 51 to be tested are disposed on a whole board product 50 that enters a rack 10 at a time. In the present embodiment, 12 flexible circuit boards 51 are simultaneously arranged on the entire board product 50. Correspondingly, during the testing process, the testing of 12 flexible circuit boards 51 can be completed simultaneously each time the modular antenna 90 is pressed down. The greater the number of flexible circuit boards 51 disposed on the entire board product 50 entering the rack 10 each time, the greater the number of synchronous tests performed each time, so that the testing efficiency of the automatic testing equipment 100 provided by the present invention is higher. The automatic testing equipment 100 provided by the invention is matched with the roll-to-roll feeding machine 30 and the roll-to-roll blanking machine 40 to carry out automatic feeding and discharging operations, the whole board product 50 can be input into the rack 10 for testing at one time, and the whole board product 50 is provided with the plurality of flexible circuit boards 51, so that the automatic feeding and discharging processes can be completed, the labor intensity of workers is reduced, meanwhile, the testing operation on the plurality of flexible circuit boards 51 can be completed when the modular ceiling 90 is pressed down at one time, and the testing efficiency of the flexible circuit boards 51 is greatly improved.
Further, as shown in fig. 3, the modular carrier 80 of the automated testing apparatus 100 of the present invention includes a mounting plate 81 for holding the entire board 50 and a plurality of lift-up positioning assemblies 82 uniformly distributed on the mounting plate 81. The mounting plate 81 is integrally fixed to the base 60 of the rack 10, and is mainly used for supporting the entire board 50 entering the rack 10, wherein a plurality of jacking positioning assemblies 82 distributed on the mounting plate 81 are used for accurately positioning the entire board 50 entering the rack 10 and controlling the relative position between the entire board 50 and the modular carrier board 80. The number of the jacking positioning assemblies 82 on the mounting plate 81 is related to the whole board product 50, and if the number of the flexible circuit boards 51 on the whole board product 50 is larger, the corresponding positioning on the whole board product 50 is required to be larger. In this embodiment, the installation plate 81 is distributed with 8 jacking positioning assemblies 82, wherein two jacking positioning assemblies are oppositely arranged on the front and back side edges of the installation plate 81.
Further, as shown in fig. 1 and 7, the modular ceiling 90 of the automated testing equipment 100 provided by the present invention includes a lifting frame 91 disposed on the rack 10 above the modular carrier board 80, and at least two sets of testing modules 92 disposed at the bottom of the lifting frame 91 and electrically connected to the tester 20. The test module 92 is fixed at the bottom of the lifting frame 91 and is driven by the lifting frame 91 to lift above the modular carrier board 80. When a test is required, the crane 91 of the modular ceiling 90 drives the test module 92 to be pressed down integrally, so that the test module 92 can be abutted to the whole board product 50 positioned on the modular carrier board 80, thereby realizing the electrical connection with the tester 20. And the test modules 92 provided at the bottom of the crane 91 are provided in one-to-one correspondence with the flexible circuit boards 51 provided on the entire board product 50. The number of the test modules 92 arranged at the bottom of the crane 91 is the same as the number of the flexible circuit boards 51 arranged on the modular carrier board 80, and the positions of the test modules 92 arranged at the bottom of the crane 91 on the modular ceiling 90 are also arranged corresponding to the positions of the flexible circuit boards 51 arranged on the modular carrier board 80 up and down, so that the test components on the test modules 92 can be butted to the test points of the flexible circuit boards 51 when being pressed down, and the test is completed.
As shown in fig. 7, the components configured on each test module 92 in the modular antenna 90 are identical. Each test module 92 comprises an identification component 922 fixed on the lifting frame 91 and at least one test pin module 921. The number of the testing pin modules 921 and the positions of the flexible circuit board 51 to be tested are determined, and the configuration of the testing pin modules 921 is also determined according to the types of tests to be completed. Each test pin die assembly 921 is electrically connected to the tester 20, and different types of electrical tests are completed through the tester 20. The mark component 922 arranged on the lifting frame 91 marks the flexible circuit board 51 which is tested, so that the flexible circuit board 51 which is tested is screened at a later stage. In this embodiment, as shown in fig. 8, the identification component 922 is a laser identification component fixed to the bottom of the lifting frame 91, the laser identification component 922 includes a red laser lamp and a green laser lamp, and different colors are used to distinguish and mark the flexible circuit boards 51 with different test results according to different test results.
Fig. 5 is a schematic perspective view of a jacking positioning assembly 82 disposed in a modular carrier plate 80 according to the present invention. The jacking positioning assembly 82 of the modular carrier plate 80 includes a jacking driving part 821 fixed on the mounting plate 81 and a positioning pin 822 driven by the jacking driving part 821 to move up and down. In this embodiment, the jacking driving component 821 is a driving cylinder fixed on the mounting plate 81, and the positioning pin 822 is disposed on a driving rod of the driving cylinder and is driven by the driving rod to ascend and descend in the vertical direction. As shown in fig. 4, modular carrier plate 80 provided for the invention has a close-up view of a location where lift-up locating assembly 82 is located. In an actual test, after the whole board 50 enters the rack 10, the lift driving part 821 is driven by the positioning pin 822 to be lifted, and when the positioning pin 822 is lifted, the lift driving part can be inserted into the positioning hole formed in the whole board 50, so that the relative position of the whole board 50 in the horizontal direction is limited by the positioning pin 822.
As shown in fig. 3, the modular carrier board 80 of the present invention further includes a pair of transmission parts 83 fixed on both sides of the top surface of the mounting plate 81. The conveying portions 83 are located on both sides of the mounting plate 81, and are used to facilitate the mounting and dismounting of the entire modular carrier plate 80 from the base 60, and to transfer the entire modular carrier plate 80 to the upper side of the mounting plate 81. The transfer portions 83 on both sides of the mounting plate 81 are identical in structure. The transfer part 83 of the modular carrier board 80 includes a pair of transfer rollers 831 fixed to the end of the mounting plate 81 and arranged in parallel. The interval between the two conveying rollers 831 is not more than one side of the installation flat plate 81, in the actual test process, the whole plate product 50 passes through the gap formed between the two conveying rollers 831 and the installation flat plate 81, when the whole plate product 50 is driven to translate along with the roll-to-roll feeding machine 30 or the roll-to-roll discharging machine 40, the conveying rollers 831 push the whole plate product 50 to move on the installation flat plate 81, and the vertical position of the whole plate product 50 on the installation flat plate 81 is limited. In this embodiment, the conveying portion 83 of the modular carrier 80 is further provided with a pick-and-place handle and a carrier mark (not shown), and the pick-and-place handle is held by the left and right sides of the modular carrier 80, so as to facilitate the assembly and disassembly of the whole modular carrier 80 and the base 60 of the rack 10. Meanwhile, the carrier mark facilitates the operator to select the corresponding modular carrier 80 for picking and placing according to different flexible circuit boards 51.
As shown in fig. 7 and 8, the invention provides a schematic perspective structure of a modular antenna 90 in an automatic test equipment 100. A plurality of limiting blocks 911 are evenly arranged at the bottom of the lifting frame 91 of the modular ceiling 90 along the edge of the frame. This stopper 911 is arranged at crane 91's side, and even interval is arranged. When modularization day board 90 pushes down, the bottom surface of stopper 911 and the top surface of the dull and stereotyped 81 of installation of modularization carrier plate 80 butt each other, carry on spacingly to modularization day board 90 through this stopper 911, prevent excessive pressure, guarantee to have certain compression distance between modularization day board 90 and the modularization carrier plate 80.
As shown in fig. 7 and 8, the bottom of the lifting frame 91 of the modular ceiling 90 of the present invention is further provided with a plurality of positioning posts 912, the mounting plate 81 of the modular support plate 80 is provided with a plurality of guiding holes 811 disposed corresponding to the positioning posts 912, and when the modular ceiling 90 is pressed down, the positioning posts 912 are inserted into the guiding holes 811 of the mounting plate 81. The number of the positioning columns 912 on the modular ceiling 90 is the same as that of the guide holes 811 on the modular support plate 80, and the positions of the positioning columns 912 and the modular support plate 80 correspond up and down, so that when the modular ceiling 90 is pressed down, the positioning columns 912 are driven to be inserted into the guide holes 811, the relative fixation of the modular ceiling 90 and the guide holes on the horizontal position is realized, and the testing modules 92 arranged on the modular ceiling 90 can be ensured to be in one-to-one correspondence with the tested flexible circuit boards 51.
As shown in fig. 1, in the automated testing equipment 100 provided by the present invention, the crane 91 of the modular ceiling 90 includes a first lifting driving part 913 fixed on the base 60 and a mounting frame driven by the first lifting driving part 913, and the testing module 92 is fixed at the bottom of the mounting frame. The mounting frame has integrated thereon various interfaces and passageways for interfacing with test modules 92 on modular antenna board 90 and for performing various testing operations on modular antenna board 90. The test module 92, the limiting block 911 and the positioning column 912 arranged in the modular ceiling 90 are all fixed at the bottom of the mounting frame. The first lifting driving part 913 is fixed on the base 60, and drives the whole mounting frame to vertically lift above the modular carrier 80. As shown in fig. 6, the first elevation driving member 913 includes a driving member 9131 and a mounting base 9132 for fixing the driving member 9131 to the base 60. In this embodiment, the driving member 9131 is a driving cylinder, and a driving rod of the driving cylinder is fixed to a mounting frame of the modular ceiling 90. A pair of hydraulic shock absorbers 9133 is further provided on the mounting base 9132, and a plurality of hydraulic shock absorbers are also uniformly distributed on the mounting frame as shown in fig. 7 and 8. The hydraulic cushioning members 9133 provide cushioning forces when the modular ceiling 90 and the modular carrier plate 80 are pressed together.
As shown in fig. 2, the pressing assembly 70 provided in the automated testing equipment 100 provided by the present invention includes a bracket 71 fixed on the base 60, a roller 72 disposed on the bracket 71, a bar press 73 disposed on the bracket 71 and above the roller 72, and a second lifting driving member 74 fixed on the bracket 71 and driving the bar press 73 to abut against the roller 72. The two groups of pressing assemblies 70 are respectively arranged at the feed inlet and the discharge outlet of the rack 10, and during testing, the left side and the right side of the whole plate product 50 are respectively pressed and fixed through the pressing assemblies 70, so that the whole plate product 50 in the rack 10 is ensured to be fixed in the vertical direction. During the feeding process and the discharging process, the second lifting driving component 74 drives the strip-shaped pressing block 73 to ascend, so that a gap is formed between the strip-shaped pressing block 73 and the roller 72, and the feeding and the discharging of the whole plate product 50 in the rack 10 are facilitated. During the testing process, the second lifting driving member 74 drives the bar-shaped pressing block 73 to press downward and pushes the end of the whole plate product 50 to move downward until abutting against the roller 72, and the roller 72 and the bar-shaped pressing block 73 clamp one side edge of the whole plate product 50 from the upper and lower sides of the whole plate product 50, thereby defining the relative position of the whole plate product 50 in the rack 10.
Fig. 8 is a flowchart of a testing method provided by the present invention. The testing method provided by the invention is based on the automatic testing equipment 100 and comprises the following steps:
feeding, wherein a roll-to-roll feeder 30 conveys the whole plate product 50 into the rack 10;
positioning the product, namely fixing the whole plate product 50 and the installation flat plate 81 relatively by using a jacking positioning component 82 of the modular carrier plate 80;
in the product test, the test module 92 on the modular antenna 90 is driven by the first lifting driving component 913 to be pressed down and abutted to the flexible circuit board 51 of the whole board product 50, and the flexible circuit board 51 is electrically tested by using the tester 20;
the test is reset, the test module 92 on the modular ceiling 90 is driven by the first lifting driving part 913 to lift, so that the test module 92 is separated from the flexible circuit board 51, and the material pressing assembly 70 releases the end parts at the two sides of the whole board product 50;
and blanking, wherein the roll-to-roll blanking machine 40 blanks the whole plate product 50 in the frame 10.
In the testing method provided by the present invention, the tester 20 in the automatic testing equipment 100 can be used to perform synchronous electrical testing on the flexible circuit boards 51 in the whole board product 50 in a unit length, and the flexible circuit boards 51 can be tested in a targeted manner according to customer requirements, and the roll-to-roll feeding machine 30 and the roll-to-roll discharging machine 50 in the automatic testing equipment 100 can perform fully automatic loading and unloading operations on the whole board product 50 in the rack 10. The more the number of the flexible circuit boards 51 arranged on the whole board product 50, the more the test modules 92 arranged on the corresponding modular antenna 90, and the more the flexible circuit boards 51 capable of being tested synchronously in each product test step, so that the batch test is realized by the automatic test equipment 100, the test requirements of the flexible circuit boards 51 can be met, the test period is shortened, the test efficiency is improved, and the labor intensity is greatly reduced.
In one embodiment, the testing method provided by the present invention further includes an identification step arranged between the test reset and the blanking, and after the test reset, the identification component 922 of the testing module 92 performs an identification operation on all the tested flexible circuit boards 51 according to different testing results. In the present embodiment, in the above-mentioned automatic testing device 100, the identification component 922 is a laser marking device disposed on the modular antenna 90 and has two laser identifications of green and red, so that after the flexible circuit board passes the product testing step, the corresponding laser identification is performed for each flexible circuit board 51 after the test resetting step. In each marking step, the marking components 922 on each test module 92 can be marked at the same time, so that batch laser marking operation is realized, the flexible circuit board 51 after marking can be distinguished in subsequent processing procedures, batch marking is realized, and the period of product testing can be saved.
In one embodiment, the testing method provided by the present invention further includes a product fixing step disposed between the loading step and the product positioning step, in which the two sets of pressing assemblies 70 clamp both side ends of the whole board product 50 in the rack 10, and a discharging step disposed before the discharging step, in which the two sets of pressing assemblies 70 release both side ends of the whole board product 50 in the rack 10. The pressing assembly 70 clamps and fixes both ends of the whole board product 50 entering the rack 10 through a product fixing step before a product testing step, so as to limit the relative position of the whole board product 50 in the rack 10, prevent the whole board product 50 from shaking the flexible circuit board 51 due to the pressing contact of the modular top board 90 with the whole board product 50 in the product testing step, and ensure the stability and consistency of the whole board product 50 in the rack 10 in the product testing step as much as possible. After the material pressing assembly 70 performs the material placing step, the two ends of the whole plate product 50 are loosened, and then the whole plate product 50 in the rack 10 is placed into the roll-to-roll feeding machine 40 through the cooperation of the roll-to-roll feeding machine 30 and the roll-to-roll feeding machine 40, so that the material pressing assembly 70 is prevented from obstructing normal feeding and discharging operations.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic test device is characterized by comprising a rack, a tester arranged in the rack, and a roll-to-roll feeding machine and a roll-to-roll discharging machine which are respectively arranged at two sides of the rack, wherein the roll-to-roll feeding machine inputs whole plate products into the rack, and the whole plate products in the rack are recovered by the roll-to-roll discharging machine,
the test device is characterized by also comprising a base fixed on the rack, two groups of material pressing components respectively fixed on two sides of the rack, a modular carrier plate arranged on the base, and a liftable modular ceiling plate arranged on the rack and electrically connected with the tester, wherein the whole board product is provided with at least two flexible circuit boards to be tested;
the modular carrier plate comprises an installation flat plate for supporting the whole plate product and a plurality of jacking positioning components uniformly distributed on the installation flat plate;
the modularized top board comprises a lifting frame arranged on the rack and positioned above the modularized carrier board and at least two sets of test modules arranged at the bottom of the lifting frame and electrically connected with the tester, and the test modules are arranged in one-to-one correspondence with the flexible circuit boards arranged on the whole board product;
the test module comprises at least one test pin module and an identification module, wherein the test pin module and the identification module are fixed on the lifting frame.
2. The automated testing equipment of claim 1, wherein the jacking positioning assembly of the modular carrier comprises a jacking driving component fixed on the mounting plate and a positioning pin driven by the jacking driving component to lift, and the positioning pin can be inserted into a positioning hole arranged on the whole board product when lifted.
3. The automated test equipment of claim 1, wherein the modular carrier further comprises a pair of transport sections secured to both sides of the top surface of the mounting plate; the conveying part comprises a pair of conveying rollers which are fixed at the end part of the mounting flat plate and are arranged in parallel.
4. The automated testing equipment of claim 1, wherein a plurality of limiting blocks are evenly arranged at the bottom of the lifting frame of the modular ceiling along the edge of the frame, and when the modular ceiling is pressed down, the bottom surfaces of the limiting blocks and the top surface of the installation flat plate of the modular carrier plate are mutually abutted.
5. The automated testing equipment of claim 1, wherein the bottom of the lifting frame of the modular ceiling board is further provided with a plurality of positioning posts, the installation flat board of the modular support board is provided with a plurality of guiding holes corresponding to the positioning posts, and when the modular ceiling board is pressed down, the positioning posts are inserted into the guiding holes of the installation flat board.
6. The automated testing equipment of claim 1, wherein the crane of the modular ceiling comprises a first lifting driving part fixed on the base and a mounting frame driven by the first lifting driving part, and the testing module is fixed at the bottom of the mounting frame.
7. The automated testing equipment of claim 1, wherein the swaging assembly comprises a bracket fixed on the base, a roller arranged on the bracket, a bar-shaped pressing block arranged on the bracket and positioned above the roller, and a second lifting driving component fixed on the bracket and driving the bar-shaped pressing block to abut against the roller.
8. A testing method based on the automated testing equipment of any one of claims 1-7, comprising the steps of:
feeding, wherein the roll-to-roll feeding machine conveys the whole plate product into the rack;
positioning a product, namely fixing the whole plate product and the installation flat plate relatively by using a jacking positioning component of the modular carrier plate;
the product testing, the testing module on the modularized antenna board is driven by the first lifting driving part to be pressed downwards and abutted to the flexible circuit board of the whole board product, and the flexible circuit board is electrically tested by using a tester;
the test resetting is carried out, the test module on the modularized top plate is driven by the first lifting driving part to lift, so that the test module is separated from the flexible circuit board, and the material pressing component loosens the end parts of two sides of the whole plate product;
and blanking, wherein the roll-to-roll blanking machine is used for blanking the whole plate product in the rack.
9. The testing method of claim 8, further comprising an identification step arranged between the test reset and the blanking, wherein after the test reset, the identification component of the testing module performs identification operation on all the tested flexible circuit boards according to different testing results.
10. The testing method according to claim 8, further comprising a product fixing step disposed between the loading step and the product positioning step, in which two sets of the pressing assemblies clamp both side ends of the whole sheet product in the rack, and a discharging step disposed before the discharging step, in which two sets of the pressing assemblies release both side ends of the whole sheet product in the rack.
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| CN202211347593.XA CN115616382A (en) | 2022-10-31 | 2022-10-31 | Automatic test equipment and test method |
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| CN202211347593.XA CN115616382A (en) | 2022-10-31 | 2022-10-31 | Automatic test equipment and test method |
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