Summary of the invention
The object of this invention is to provide a kind of turnover pallet turning gear, low to solve on consumer electronics assigned line soft board test automation degree, inefficient problem.
For achieving the above object, the present invention by the following technical solutions, turnover pallet turning gear, be located at feeding device, between proving installation and drawing mechanism, make turnover pallet at described feeding device, between proving installation and described drawing mechanism, turn round, comprise: revolution load-transfer device, described revolution load-transfer device is provided with the turnover pallet registration device corresponding with proving installation, the all rotation control apparatus that make described turnover pallet interval be delivered to described turnover pallet registration device are also installed on described revolution load-transfer device, on described revolution load-transfer device, be also provided with the feed station corresponding with described feeding device and the discharging station corresponding with described drawing mechanism, described feed station is provided with turnover pallet feed registration device, described discharging station is provided with turnover pallet discharging registration device.
Concrete, described revolution load-transfer device comprises near the first load-transfer device of described proving installation with away from the second load-transfer device of described proving installation, between described the first load-transfer device and the two ends of described the second load-transfer device, be provided with turnover pallet pusher, described the first load-transfer device and described the second load-transfer device include belt erecting frame, on described belt erecting frame, turnover pallet guide groove is installed, two parallel and spaced conveying belt bodies are installed in described turnover pallet guide groove
Concrete, described turnover pallet registration device comprises two pallet limit portion wedges, described in two, pallet limit portion wedge is fixedly mounted on and is positioned on the described belt erecting frame of carrying belt body both sides described in two, described in two, pallet limit portion wedge has the locating surface of the relative both sides upper surface that is positioned at described turnover pallet, described turnover pallet registration device also comprises that, at the turnover pallet jacking block of carrying described in two between belt body, described turnover pallet jacking block is connected with jacking block lift cylinder.
Concrete, described turnover pallet registration device also comprises at the turnover pallet position block of carrying described in two between belt body, described turnover pallet position block is connected with block lift cylinder, and described turnover pallet position block is positioned at the exit side of described turnover pallet registration device.
Concrete, described turnover pallet feed registration device comprises the port block being located on the port that described turnover pallet guide groove closes on described feeding device.
Concrete, described turnover pallet discharging registration device comprises the port block being located on the port that described turnover pallet guide groove closes on described drawing mechanism.
Concrete, described all rotation control apparatus comprise be arranged on the first load-transfer device two described in carry at least two between belt body turnover to control block, described turnover is controlled block and is connected with turnover control block jacking system, and the distance described in adjacent two between turnover control block is greater than the width of a described turnover pallet.
Concrete, described turnover pallet pusher comprises the push pedal that described turnover pallet is pushed along described guide groove Width, described push pedal is connected with push pedal cylinder, described turnover pallet pusher also comprises that being located at the turnover pallet in pallet guide groove inside slot edge described in two crosses mouth, and the described turnover pallet guide groove of the feed side of described turnover pallet pusher is provided with propelling movement feed control device.
Concrete, described propelling movement feed control device comprises that the turnover pallet being located on described turnover pallet guide groove cell wall holds out against cylinder, described turnover pallet holds out against cylinder described turnover pallet is held out against on the cell wall of described turnover pallet guide groove.
A kind of turnover pallet turning gear that the embodiment of the present invention provides turns round turnover pallet between described feeding device, proving installation and described drawing mechanism, and degree of automation is high, production capacity is strong, can maximize and save manually.Realize the automation of test, saved test and taken plant area and hand labor power, avoided the uncertainty of manual intervention in test process, improved product design, reduced cost.
The specific embodiment
On existing consumer electronics assigned line, soft board test automation degree is low, inefficient problem.The embodiment of the present invention provides a kind of turnover pallet turning gear.
Turnover pallet turning gear is as the important component part of soft board automatic test equipment, turnover pallet is turned round between described feeding device, proving installation and described drawing mechanism, greatly improved the degree of automation of soft board test, in order better the 26S Proteasome Structure and Function of turnover pallet turning gear to be described, in conjunction with soft board automatic test equipment, describe in detail now.Be provided with and the first test station 11 and the second test station 12 turning round described in soft board automatic test equipment on load-transfer device, described the first test station 11 and the second test station 12 respectively correspondence are provided with the first turnover pallet registration device 81 and the second turnover pallet registration device 82.
As depicted in figs. 1 and 2, soft board automatic test equipment, comprising:
Frame 1;
A plurality of turnover pallets 2;
Feeding device 3, is placed on soft board to be measured on described turnover pallet 2;
Proving installation 5, carries out soft board detection;
Drawing mechanism 6, collects the soft board of having tested;
Turnover pallet turning gear 8, is arranged in described frame 1, is located between described feeding device 3, proving installation 5 and described drawing mechanism 6, and described turnover pallet 2 is turned round between described feeding device 3, proving installation 5 and described drawing mechanism 6;
Handling equipment, the soft board that test is completed is put to the turnover pallet on turnover pallet turning gear, and the turnover pallet by soft board to be measured from turnover pallet turning gear is put to proving installation.
Described turnover pallet is provided with and does not survey soft board placement cave, qualified soft board places cave and nonconformity soft board is placed cave, and the described soft board of not surveying is placed the double described nonconformity soft board placement cave of doing, cave.
As Fig. 4, Fig. 7, shown in Fig. 8 and Fig. 9, described proving installation comprises measurement jig, described measurement jig comprises lower 51 and upper measuring head 52, described lower 51 is fixedly mounted in described frame 1, described upper measuring head 52 is connected with measuring head translating device and measuring head jacking system, described frame 1 is provided with the first test station 11 and the second test station 12, in described the first test station 11 and described the second test station 12, be respectively equipped with two measurement jigs, described turnover pallet 2 is provided with two and does not survey soft board placement cave 21 and two qualified soft boards placement caves 22, described lower 51 is provided with measurement jig counterdie 55, described upper measuring head 52 comprises mold mounting plate 56 and measurement jig patrix 57, described measurement jig patrix 57 is arranged on described upper mold mounting plate 56 belows, described measurement jig patrix 57 is provided with test module 58, described measurement jig counterdie 55 is provided with lower test module 59, the test probe 60 being connected with described upper test module 58 is installed on described measurement jig patrix 57, the test probe seat 71 that can peg graft with described test probe 60 is installed on described measurement jig counterdie 55, described test probe seat 71 is connected with described lower test module 59, described upper test module 58 is provided with the test pin mark 72 for being connected with pin mark on soft board, described measurement jig patrix 57 is provided with locating dowel pin 73, described measurement jig counterdie 55 is provided with the knock hole 74 coordinating with described locating dowel pin 73, the lower surface of described upper mold mounting plate is provided with the pillar stiffener 75 that connects described measurement jig patrix 57, described measuring head translating device comprises measuring head flat-removing air cyclinder 53, described measuring head jacking system comprises measuring head lift cylinder 54, described measurement jig counterdie is provided with soft board registration device, described soft board registration device comprises a plurality of locating pins 102 that surround soft board foreign steamer profile, described soft board registration device can also be positioning groove identical with soft board foreign steamer profile etc.Described measuring head translating device and described measuring head lift cylinder can also be screw mechanism.Described upper test module 58 and lower test module are known technology, do not repeat them here.
As shown in Figure 3, described feeding device comprises pallet feeding device and empty pallet gathering-device, described pallet feeding device comprises the first feed tray seat 31 of placing the feed pallet of filling soft board to be measured, described feed pallet 33 stacks and puts on described the first feed tray seat 31 upper stratas, described empty pallet gathering-device comprises the second feed tray seat 32 of placing empty feed pallet, between described the first feed tray seat 31 and described the second feed tray seat 32 and described frame 1, be equipped with feed tray seat apparatus for automatically lifting, in described frame 1, be provided with empty feed pallet is carried to the feed pallet conveying device the second feed tray seat 32 from described the first feed tray seat 31, the soft board Feeder Manipulator 34 that by soft board to be measured feed pallet 33 from the first feed tray seat 31 transfers to turnover pallet 2 is also installed in described frame 1, described soft board Feeder Manipulator is provided with two profiling suckers 41, the shape of described profiling sucker 41 is identical with the shape of described soft board, described soft board Feeder Manipulator is known technology, do not repeat them here, described feed tray seat apparatus for automatically lifting comprises the feed tray seat guidepost 35 being arranged in described frame 1, on described the first feed tray seat 31 and described the second feed tray seat 32, be respectively equipped with the pilot hole coordinating with described feed tray seat guidepost 35, feed tray seat leading screw 36 is also installed in described frame 1, on described the first feed tray seat 31 and described the second feed tray seat 32, the screw coordinating with described feed tray seat leading screw 36 is installed, described feed tray seat leading screw 36 is connected with device of rotation driving, described device of rotation driving comprises feed tray seat leading screw driving motor 37, feed tray seat leading screw driving motor 37 drives feed tray seat leading screw to rotate, by the screw being arranged on described the first feed tray seat 31 and described the second feed tray seat 32, drive described the first feed tray seat 31 and described the second feed tray seat 32 liftings, in concrete enforcement, can also adopt the driving of the realizations such as cylinder to the first feed tray seat 31 and described the second feed tray seat 32 liftings, described feed tray seat apparatus for automatically lifting also comprises automatic lifting controller, described automatic lifting controller comprises rack-mounted upper limit sensor and lower limit sensor, described upper limit sensor and described lower limit sensor are controlled upper limit position and the lower position of described the first feed tray seat 31 or the second feed tray seat 32 liftings, described automatic lifting controller also comprises feed pallet opto-electronic pickup, described feed pallet opto-electronic pickup detects on the first feed tray seat 31 or the second feed tray seat 32 whether have feed pallet, described pilot hole is four, four described pilot holes face limit along two of described feed pallet and distribute, in described frame, be provided with and four four feed tray seat guideposts that described pilot holes difference is corresponding, four described feed tray seat guideposts pass from four pilot holes that are located at described feed pallet two and face limit the movement that has limited feed pallet, played spacing effect.Described upper limit sensor, lower limit sensor and described feed pallet opto-electronic pickup are not shown, described automatic lifting controller also comprises automatic lifting control PLC, described upper limit sensor, lower limit sensor and described feed pallet opto-electronic pickup are connected to the input end of automatic lifting control PLC, the mouth of described automatic lifting control PLC is connected with described leading screw driving motor and described soft board Feeder Manipulator 34, described feed pallet conveying device comprises carrying cylinder 38 and sucker jacking system 39, described carrying cylinder 38 drives described sucker jacking system to move back and forth between described pallet feeding device and empty pallet gathering-device, feed pallet Acetabula device 40 is installed on described sucker jacking system 39, described sucker jacking system 39 comprises the elevating bracket being connected with described carrying cylinder 38, described elevating bracket is slidably mounted in described frame, the feed pallet sucker lift cylinder being connected with described feed pallet Acetabula device is installed on described elevating bracket, described feed pallet Acetabula device 40 comprises suction vacuum cup.
As shown in Figure 5, described drawing mechanism comprises pallet material collecting device, rewinding completes pallet gathering-device and off gauge recycling box 103, described pallet material collecting device comprises the first rewinding tray seat 61 of placing empty rewinding pallet 63, described rewinding pallet 63 stacks and puts on described the first rewinding tray seat 61 upper stratas, described rewinding completes pallet gathering-device and comprises the second rewinding tray seat 62 of placing the rewinding pallet of filling soft board, between described the first rewinding tray seat 61 and described the second rewinding tray seat 62 and described frame, be equipped with rewinding tray seat apparatus for automatically lifting, described off gauge recycling box 103 is arranged on the outside of the described frame of closing on described the first rewinding tray seat 61, in described frame 1, be provided with the rewinding pallet 63 of filling soft board is carried to the rewinding pallet conveying device the second rewinding tray seat 62 from described the first rewinding tray seat 61, in described frame 1, be also provided with soft board is transferred to rewinding pallet the first rewinding tray seat 61 or the soft board discharging manipulator 64 of off gauge recycling box from described turnover pallet 2, described soft board discharging manipulator 64 is connected with soft board discharging manipulator controller, described soft board discharging manipulator controller comprises the optical fiber transducer that whether has nonconformity soft board in detection turnover pallet, whether the not survey soft board of described optical fiber transducer judgement in discharging station 84 place's turnover pallets placed place, cave soft board, if have and signal can be conducted to discharging control PLC, discharging control PLC output signal is controlled soft board discharging manipulator 64 nonconformity soft board is never surveyed in soft board placement cave and taken out and be placed in off gauge recycling box.Described soft board discharging machinery is provided with two profiling suckers on hand, the shape of described profiling sucker is identical with the shape of described soft board, described soft board discharging manipulator 64 is known technology, do not repeat them here, described rewinding tray seat apparatus for automatically lifting comprises the rewinding tray seat guidepost 65 being arranged in described frame 1, on described the first rewinding tray seat 61 and described the second rewinding tray seat 62, be respectively equipped with the pilot hole coordinating with described rewinding tray seat guidepost 65, rewinding tray seat leading screw 66 is also installed in described frame 1, on described the first rewinding tray seat 61 and described the second rewinding tray seat 62, the screw coordinating with described rewinding tray seat leading screw 66 is installed, described rewinding tray seat leading screw 66 is connected with device of rotation driving, described device of rotation driving comprises rewinding tray seat leading screw rotating drive electrical motor 67, rewinding tray seat leading screw driving motor 67 drives rewinding tray seat leading screw to rotate, by the screw being arranged on described the first rewinding tray seat 61 and described the second rewinding tray seat 62, drive described the first rewinding tray seat 61 and described the second rewinding tray seat 62 liftings, in concrete enforcement, can also adopt the driving of the realizations such as cylinder to described the first rewinding tray seat 61 and described the second rewinding tray seat 62 liftings, described rewinding tray seat apparatus for automatically lifting also comprises automatic lifting controller, described automatic lifting controller comprises rack-mounted upper limit sensor and lower limit sensor, described upper limit sensor and described lower limit sensor are controlled upper limit position and the lower position of described the first rewinding tray seat 61 or the second rewinding tray seat 62 liftings, described automatic lifting controller also comprises rewinding pallet opto-electronic pickup, described rewinding pallet opto-electronic pickup detects on described the first rewinding tray seat 61 or the second rewinding tray seat 62 whether have rewinding pallet, described pilot hole is four, four described pilot holes face limit along two of described rewinding pallet and distribute, in described frame, be provided with and four four rewinding tray seat guideposts that described pilot holes difference is corresponding, four described rewinding tray seat guideposts pass from four pilot holes that are located at described rewinding pallet two and face limit the movement that has limited rewinding pallet, have played spacing effect.Described upper limit sensor, lower limit sensor and described opto-electronic pickup are not shown, described bound level sensor and described opto-electronic pickup are connected to the input end of discharging control PLC, the mouth of discharging control PLC is connected with described leading screw driving motor and described soft board discharging manipulator, described rewinding pallet conveying device comprises carrying cylinder 68 and sucker jacking system 69, described carrying cylinder 68 drives described sucker jacking system 69 to complete between pallet gathering-device and move back and forth in described pallet material collecting device and rewinding, rewinding pallet Acetabula device 70 is installed on described sucker jacking system 69.Described sucker jacking system 69 comprises the elevating bracket being connected with described carrying cylinder 38, described elevating bracket is slidably mounted in described frame, the feed pallet sucker lift cylinder being connected with described feed pallet Acetabula device is installed on described elevating bracket, and described feed pallet Acetabula device 70 comprises suction vacuum cup.
As shown in Figure 6, described turnover pallet turning gear comprises revolution load-transfer device, described revolution load-transfer device is provided with first turnover pallet registration device 81 and the second turnover pallet registration device 82 corresponding with the first test station 11 and the second test station 12 difference, the all rotation control apparatus that make described turnover pallet 2 intervals be delivered to described the first turnover pallet registration device 81 and the second turnover pallet registration device 82 are also installed on described revolution load-transfer device, on described revolution load-transfer device, be also provided with the feed station 83 corresponding with described feeding device and the discharging station 84 corresponding with described drawing mechanism, described feed station 83 is provided with turnover pallet feed registration device, described discharging station 84 is provided with turnover pallet discharging registration device, described revolution load-transfer device comprises near the first load-transfer device 86 of described proving installation 5 with away from the second load-transfer device 87 of described proving installation, between described the first load-transfer device 86 and the two ends of described the second load-transfer device 87, be provided with turnover pallet pusher, described the first load-transfer device 86 and described the second load-transfer device 87 include belt erecting frame, on described belt erecting frame, turnover pallet guide groove 88 is installed, two parallel and spaced conveying belt bodies 89 are installed in described turnover pallet guide groove 88, described revolution load-transfer device can also be for having the rotary conveyer of cycloconveyor belt, described rotary conveyer is known technology, do not repeat them here, described the first turnover pallet registration device 81 and described the second turnover pallet registration device 82 include two pallet limit portion wedges 90, described in two, pallet limit portion wedge 90 is fixedly mounted on and is positioned on the described belt erecting frame of carrying belt body 89 both sides described in two, described in two, pallet limit portion wedge 90 has the locating surface of the relative both sides upper surface that is positioned at described turnover pallet 2, described the first turnover pallet registration device 81 and described the second turnover pallet registration device 82 also comprise respectively at the turnover pallet jacking block of carrying described in two between belt body 89, described turnover pallet jacking block is connected with jacking block lift cylinder 91, described the first turnover pallet registration device 81 and described the second turnover pallet registration device 82 also comprise respectively at the turnover pallet position block 92 of carrying described in two between belt body 89, described turnover pallet position block 92 is connected with block lift cylinder, described turnover pallet position block 92 is positioned at the exit side of described the first turnover pallet registration device 81 and the exit side of the second turnover pallet registration device 82, the first load-transfer device carries described turnover pallet when arriving the first turnover pallet registration device and the second turnover pallet registration device, turnover pallet position block 92 rises under the drive of block lift cylinder, the continuation that stops described turnover pallet 2 is moved, described turnover pallet jacking block 91 rises the bottom surface that withstands on described turnover pallet under the drive of jacking block lift cylinder, described turnover pallet 2 is withstood on described pallet limit portion wedge, described soft board Feeder Manipulator vision positioning system is submitted to described soft board test handler control setup by the position deviation of soft board, realized the accurate location of soft board.
Described turnover pallet feed registration device comprises the first port block 93 being located on the port that described turnover pallet guide groove 88 closes on described feeding device, described turnover pallet discharging registration device comprises the second port block 94 being located on the port that described turnover pallet guide groove 88 closes on described drawing mechanism, described the first port block 93 and the movement that has limited described turnover pallet, be convenient to described soft board Feeder Manipulator soft board to be measured is put into described turnover pallet, described turnover pallet feed registration device can also be feed positioning cylinder, described feed positioning cylinder is arranged on the outer wall of described turnover pallet guide groove, described turnover pallet guide groove is provided with the feed positioning through hole passing for feed positioning cylinder piston rod, the piston rod of described feed positioning cylinder holds out against turnover pallet on the inner side cell wall of turnover pallet guide groove 88 that is positioned at feed station 83 places, to facilitate soft board Feeder Manipulator 34 to turnover pallet feed, described the second port block 94 has limited the movement of described turnover pallet, be convenient to described soft board discharging manipulator soft board is put into described rewinding pallet from turnover pallet, described turnover pallet discharging registration device can also be discharging positioning cylinder, described discharging positioning cylinder is arranged on the outer wall of described turnover pallet guide groove, described turnover pallet guide groove is provided with to confess anticipates the discharging positioning through hole that a cylinder piston rod passes, the piston rod of described discharging positioning cylinder holds out against turnover pallet on the inner side cell wall of turnover pallet guide groove 88 that is positioned at discharging station 84 places, to facilitate soft board discharging manipulator 34 to turnover pallet feed, described all rotation control apparatus comprise be arranged on the first load-transfer device two described in carry two between belt body 89 turnover to control block 95, the number that block is controlled in described turnover can also be three or three other above numbers, described turnover is controlled block 95 and is connected with turnover control block jacking system, distance described in adjacent two between turnover control block 95 is greater than the width of a described turnover pallet 2, described turnover control block be located between described feeding device and described proving installation the first load-transfer device two described in carry between belt body, described turnover is controlled block when described the first turnover pallet registration device 81 and described the second turnover pallet registration device are positioned with turnover pallet, block the movement of follow-up turnover pallet.
Described turnover pallet pusher comprises the push pedal 96 that described turnover pallet 2 is pushed along described guide groove 88 Widths, described push pedal 96 is connected with push pedal cylinder 97, described turnover pallet pusher also comprises that being located at the turnover pallet in pallet guide groove 88 inside slot edge described in two crosses mouth 98, described push pedal cylinder 97 promotes push pedal and moves at guide groove Width, described push pedal can also adopt screw mechanism to drive, and under the driving of leading screw, screw drives push pedal campaign.
The described turnover pallet guide groove 88 of the feed side of described turnover pallet pusher is provided with propelling movement feed control device, described propelling movement feed control device comprises that the turnover pallet being located on described turnover pallet guide groove 88 cell walls holds out against cylinder 99, the described piston rod through hole from described turnover pallet guide groove 88 that holds out against cylinder stretches in described turnover pallet guide groove 88, described turnover pallet holds out against cylinder 99 described turnover pallet is held out against on the cell wall of described turnover pallet guide groove 88, while having turnover pallet within the scope of the propelling movement of described turnover pallet pusher, described turnover pallet holds out against cylinder the turnover pallet that will enter within the scope of the propelling movement of described turnover pallet pusher is held out against in described turnover pallet guide groove, guaranteed the normal work of push pedal, it is to be noted and can also adopt various structures to avoid turnover pallet along with carrying belt body motion for those of ordinary skills, make described turnover pallet static with respect to described turnover pallet guide groove, for example adopt elevator to block described turnover pallet, described elevator is connected with lift cylinder.
As shown in Figure 4, described handling equipment comprises the soft board test handler 85 that is located at respectively the first test station 11 and the second test station 12, and described soft board test handler 85 is connected with soft board test handler control setup, the soft board test handler vision positioning system corresponding with the first turnover pallet registration device 81 and the second turnover pallet registration device 82 difference is installed in described frame, described soft board test handler vision positioning system determine soft board at the first turnover pallet registration device and the second turnover pallet registration device place position numerical value and the amount of deflection with respect to measurement jig, described soft board test handler control setup is controlled described soft board test handler and is adjusted the position of soft board on measurement jig counterdie according to described position numerical value and the amount of deflection, described soft board Feeder Manipulator vision positioning system comprises camera and light source, described camera is connected with data collecting plate card, described data collecting plate card is connected with computing machine, the model of described data collecting plate card is PCI-6221, described computing machine is connected with described soft board test handler control setup, described light source is radiated at the first turnover pallet registration device 81 and the second turnover pallet registration device 82, described soft board test handler comprises X-axis guide rail 76, on described X-axis guide rail 76, X-axis slide block 77 is installed, on described X-axis slide block 77, Y-axis guide rail 78 is installed, on described Y-axis guide rail 78, Y-axis slide block 79 is installed, on described Y-axis slide block 79, electrical motor 80 is installed, soft board carrying head is installed on the output shaft of described electrical motor 80, described soft board carrying head comprises profiling sucker 100, described profiling sucker 100 is arranged on sucker lift cylinder 101, described sucker lift cylinder 101 is connected with the output shaft of described electrical motor 80, described light source is located at the periphery of described camera lens.On the Y-axis slide block that described soft board test handler can also be installed X-axis guide rails assembling on described Y-axis guide rail, on described X-axis slide block, electrical motor is installed, soft board carrying head is installed on the output shaft of described electrical motor, described soft board test handler control setup is known technology, does not repeat them here.
When testing, as Fig. 1 and as shown in shown in Fig. 2, described turnover pallet turning gear 8 drives described turnover pallet 2 to pass through successively described feeding device 3, described proving installation 5, described drawing mechanism 6, at described turnover pallet turning gear 8, drive in the rotating process of described turnover pallet, complete successively soft board feed step to be measured, soft board test procedure and qualified soft board nonconformity soft board classification discharging step.
In described qualified soft board nonconformity soft board classification discharging step, soft board test handler is put into qualified soft board on the qualified soft board placement cave 22 of turnover pallet, and inferior-quality soft board is placed into the not survey soft board of turnover pallet and places on cave 21.
The two measurement jig alternations in the first test station 11 described in described soft board test procedure and described the second test station 12, when a described measurement jig carries out soft board test, described in another, measurement jig has been tested the blanking of soft board and the material loading of soft board to be measured.
Described soft board automatic checkout test equipment and test method, have advantages of flexible strong, soft board within the scope of certain size and measuring accuracy, all can complete test jobs, and thread-changing only needs to make corresponding measurement jig and supporting turnover pallet, feed pallet and rewinding pallet; And degree of automation is high, production capacity is strong, can maximizes and save manually.Can also and survey soft board separately by soft board to be measured, eliminate and surveyed soft board and do not survey the possibility that soft board is obscured, improve reliability; Owing to having realized the automation of test, save test and taken plant area and hand labor power, avoid the uncertainty of manual intervention in test process, improved product design, reduced cost.
Comprise the above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.