CN115488057A - IGBT power module final inspection test workstation and test method thereof - Google Patents

Abstract

The invention discloses a final test workstation and a test method for an IGBT power module, and the final test workstation and the test method for the IGBT power module comprise a feeding mechanism, a testing mechanism, a cleaning mechanism, a discharging mechanism and a plurality of maneuvering manipulators, wherein the testing mechanism comprises a safety testing mechanism, a PIN needle testing mechanism, a static testing mechanism and a dynamic testing mechanism, the safety testing mechanism comprises a detection platform, a cylinder block and a needle bed which can be used for switching and testing the IGBT module, the PIN needle testing mechanism comprises a positioning device and a laser tester, the feeding mechanism comprises a feeding material warehouse and a recycling material warehouse, a process tool is arranged between the feeding material warehouse and the recycling material warehouse, the cleaning mechanism comprises a tray material taking port and a dust removal cleaning mechanism, and the final test workstation has higher efficient feeding, discharging and testing speed, the testing sequence and the testing items can be freely adjusted according to the requirements of users, the flexibility of the testing items is higher, a double-channel type is adopted on the feeding, discharging and testing mechanisms, the testing efficiency is improved, the testing function is more complete, the full-automatic testing process replaces manual testing, and the labor is reduced in labor cost for human use.

Description

IGBT power module final inspection test workstation and test method thereof

Technical Field

The invention relates to the field of packaging of IGBT (insulated gate bipolar transistor) modules of power devices, in particular to a final inspection test workstation of an IGBT power module and a test method thereof.

Background

The IGBT is a third-generation power electronic device, has the advantages of high operating frequency of the MOSFET, low voltage drive and conduction loss of the BJT and high operating voltage, is widely applied to new industries such as new energy automobiles, rail transit, smart grids and the like at present, and is a key component for realizing industrial automation, energy conservation and consumption reduction.

The IGBT module testing process line in the prior art achieves semi-automatic detection and packaging through equipment, but the flow among all testing items is manually operated, the flow speed is low, the efficiency is low, the problem of detection errors is inevitable after the working time of workers is long, meanwhile, the whole process line is fixed, the whole process line cannot be exchanged according to the major and minor detection points, when the problems of re-detection and the like occur, all functions still need to be detected, unnecessary detection items cannot be skipped, and the detection time is greatly wasted.

Disclosure of Invention

The invention aims to solve the technical problems and provides a final inspection test workstation for an IGBT power module, which has higher efficiency of flow rotation speed, feeding, discharging and testing speed, wherein the testing sequence and the testing items can be freely adjusted according to the requirements of users, the flexibility of the testing items is higher, a double-channel feeding and discharging type is adopted on a feeding, discharging and testing mechanism, the testing efficiency is improved, the testing function is more complete, the full-automatic testing flow replaces manual testing, the time and the labor are saved, and the labor cost is reduced.

The technical scheme adopted by the invention for solving the technical problems is as follows: a final inspection test workstation for an IGBT power module comprises a feeding mechanism, a test mechanism, a cleaning mechanism, a discharging mechanism and a plurality of maneuvering manipulators; the testing mechanism comprises a safety testing mechanism and a PIN testing mechanism, and the safety testing mechanism and the PIN testing mechanism are arranged on the rear side of the whole workstation and are transported by a maneuvering manipulator; the safety test mechanism comprises a detection platform, a cylinder group and a needle bed, wherein the detection platform, the cylinder group and the needle bed can be used for switching and testing the IGBT module; the PIN testing mechanism comprises a positioning device and a laser detector, wherein an IGBT module is clamped on the positioning device, the laser detector is arranged above the positioning device, and the IGBT module on the positioning device is transported by a transfer manipulator; the feeding mechanism comprises a feeding material warehouse and a recovery material warehouse, a process tool is arranged between the feeding material warehouse and the recovery material warehouse and connected with the feeding material warehouse and the recovery material warehouse, the feeding mechanism further comprises a discharging rail, and an IGBT module on the discharging rail is transmitted to the testing mechanism through a transfer manipulator; the cleaning mechanism comprises a tray material taking port and a dust removing cleaning mechanism, the IGBT module on the testing mechanism is transferred to the tray material taking port by the transferring manipulator, the tray material taking port is connected with the dust removing cleaning mechanism, and the dust removing cleaning mechanism is connected with the discharging mechanism.

Preferably, the testing mechanism further comprises a static testing mechanism and a dynamic testing mechanism, the static testing mechanism, the dynamic testing mechanism and other mechanisms transport the IGBT module through a transfer manipulator, and the static testing mechanism and the dynamic testing mechanism are installed around the safety testing mechanism; the detection platform comprises a first detection platform, a second detection platform and a safety switching track, the first detection platform and the second detection platform are both connected with the safety switching track, IGBT modules transported through the transfer manipulator are placed on the first detection platform and the second detection platform, and the needle bed is installed above the first detection platform; the cylinder group comprises a movable cylinder, a discharging cylinder and a detection cylinder, the detection cylinder is arranged below the needle bed, the discharging cylinder is arranged on the other side of the detection cylinder, and the first detection platform and the second detection platform are connected with the movable cylinder; the positioning device comprises a turnover platform, a fixed support, a transverse positioning module and a longitudinal positioning module; the transverse positioning module comprises a transverse rail and a transverse moving motor, the transverse rail is connected with the transverse moving motor, and the fixing bracket is arranged on the transverse rail; the longitudinal positioning module comprises a longitudinal rail and a longitudinal moving motor, the longitudinal rail is connected with the longitudinal moving motor, the transverse rail is arranged above the longitudinal rail, the overturning platform is installed on the fixed support, and the overturning platform is connected with an overturning cylinder and a pressing block.

Preferably, the discharging mechanism comprises a packaging box feeding end, a packaging tool and a packaging box discharging end, wherein the packaging tool comprises a box cover separating mechanism, a label packaging mechanism and a tape packaging mechanism, the box cover separating mechanism, the label packaging mechanism and the tape packaging mechanism are sequentially connected, the packaging box feeding end is connected with the box cover separating mechanism, the packaging box discharging end is connected with the tape packaging mechanism, the box cover separating mechanism is connected with the dust removing and cleaning mechanism, a feeding port is formed in the packaging box feeding end, and a discharging port is formed in the packaging box discharging end.

Preferably, the box cover separating mechanism comprises a control structure, a vacuum chuck, a top block and a grabbing device, the top block, the vacuum chuck and the grabbing device are all installed on the control structure, the control structure comprises a connecting block body, a vertical cylinder and a grabbing cylinder, the vertical cylinder is installed in the middle of the upper side of the connecting block body, the vacuum chuck and the top block are arranged on the lower side of the connecting block body, the grabbing device is arranged at the opposite angle of the connecting block body, the grabbing cylinder is installed on the upper side of the connecting block body, and the grabbing cylinder is connected with the grabbing device.

Preferably, the discharging rail comprises a discharging layer and a recovery layer, the discharging layer comprises a first discharging layer and a second discharging layer, the first discharging layer is positioned below the second discharging layer, the second discharging layer is higher than the first discharging layer, discharging transverse cylinders are arranged on the first discharging layer and the second discharging layer, and the discharging transverse cylinders are fixed on the side surfaces of the discharging layers; the recycling layer comprises a first recycling layer and a second recycling layer, the first recycling layer is located below the second recycling layer, the second recycling layer is higher than the first recycling layer, recycling transverse cylinders are arranged on the first recycling layer and the second recycling layer, and the recycling transverse cylinders are fixed on the side faces of the recycling layer.

Preferably, the PIN detection mechanism further comprises a light shielding cover and a display structure; the display structure is arranged on the back of the light-proof cover, the light-proof cover covers the laser detector, and the display structure is connected with the laser detector.

Preferably, the safety switching track comprises an upper track and a lower track, a first hollowed part is formed in the first detection platform, a second hollowed part is formed in the second detection platform, the first hollowed part is located in the middle of the first detection platform, the second hollowed part is located in the middle of the second detection platform, and the discharging cylinder and the detection cylinder push the IGBT module through the first hollowed part and the second hollowed part.

Preferably, the feeding mechanism, the safety testing mechanism, the static testing mechanism, the dynamic testing mechanism, the PIN testing mechanism, the cleaning mechanism and the discharging mechanism are all provided with a control panel and an NG discharging station, and the control panel comprises a display screen and a control button.

Preferably, the method for testing the IGBT power module final inspection test workstation specifically comprises the following steps:

the method comprises the following steps: pushing a trolley provided with a tray of an IGBT module into a feeding material warehouse of a feeding mechanism and clamping the trolley on the wall surface of the feeding material warehouse, pushing an empty trolley to a recovery material warehouse of the feeding mechanism and clamping the empty trolley on the wall surface of the recovery material warehouse, wherein the tray is positioned below a process tool, the process tool is arranged at the position of the tray on the trolley along with the lower portion of a track of the process tool, the process tool covers the tray, a clamping piece on the process tool clamps the periphery of the tray, then the process tool moves to a discharge track through the transverse track, the process tool places the tray on a first discharge layer or a second discharge layer of the discharge track, the trays on the first discharge layer and the second discharge layer are grabbed by a transfer manipulator to alternately execute discharge operation, the tray is grabbed to one mechanism in a testing mechanism to start a performance test of the IGBT module, the process tool places the tray on the empty discharge layer, the IGBT module is transferred to the NG recovery layer by the transfer to the NG manipulator module, the first discharge layer or the second discharge layer on the recovery layer is transferred to the second discharge layer through the recovery mechanism, and the second discharge layer is shifted to push the recovery trolley to move back and forth to push the recovery cylinder to push the recovery trolley and back the recovery cylinder;

step two: transferring an IGBT module grabbed by a mechanical handle to be placed on a first detection platform of a safety testing mechanism, pushing the first detection platform to move to an upper rail below a pressure-resistant tester by a moving cylinder on the first detection platform, pushing a second detection platform to a lower rail at a feeding and discharging position by a moving cylinder on the second detection platform, pushing a second IGBT module to be received by a discharging cylinder through a second hollow part, pushing a first IGBT module on the first detection platform to a needle bed to start a discharge test through the pushing of the detecting cylinder through the first hollow part, recovering the first IGBT module to be placed on the first detection platform by the detecting cylinder after the test is finished, recovering the second IGBT module to be placed on the second detection platform by the discharging cylinder, pushing the first detection platform and the second detection platform by the moving cylinder, returning the first detection platform to the feeding and discharging position, transferring the first IGBT module on the first detection platform to a next testing mechanism by the transferring manipulator and receiving the third IGBT module, enabling the second detection platform to reach the lower position of the pressure-resistant tester, and performing high-voltage detection and leakage detection on the second detection platform alternately;

step three: the method comprises the following steps that a manipulator is moved to place an IGBT module on a turning platform of a PIN testing mechanism, the IGBT module is fixed on the turning platform through a pressing block, at the moment, a fixed support moves on a transverse rail and a longitudinal rail to reach a detection area through a transverse moving motor and a longitudinal moving motor, a laser detector is started and detects the position degree of a PIN on the front side, a display structure displays a detection result on the back side of a light-proof cover in real time, after the laser detector finishes detection, the turning platform is turned over through a turning cylinder to enable the other side of the IGBT module to face the laser detector, the fixed support moves on the transverse rail and the longitudinal rail to reach the detection area through the transverse moving motor and the longitudinal moving motor again, the laser detector carries out back radian detection on the fixed support, after detection, the pressing block loosens the IGBT module, and the manipulator moves the qualified IGBT module out of the detection mechanism or places the unqualified IGBT module to an NG blanking station;

step four: before static testing, the manipulator is transferred to release the IGBT module to the heating module, the IGBT module is placed on a heating table and heated to 150 ℃, static testing is carried out on the IGBT module after heating, the manipulator is transferred to place the IGBT module on the cooling module for cooling after testing, and the manipulator is transferred to move the qualified IGBT module out of the detection mechanism or place the unqualified IGBT module to an NG blanking station after testing;

step five: before dynamic testing, the manipulator is transferred to release the IGBT module to the heating module, the IGBT module is placed on a heating table and heated to 150 ℃, dynamic testing is carried out on the IGBT module after heating, the manipulator is transferred to place the IGBT module to the cooling module for cooling after testing is finished, and the manipulator is transferred to move the qualified IGBT module out of the detection mechanism or place the unqualified IGBT module to an NG blanking station after testing is finished;

step six: the IGBT power module completing the test is grabbed by a transfer manipulator and placed at a tray material taking port, a packing box is placed at a material loading port of a packing box feeding end, the packing box can be conveyed to a box cover separating mechanism, at the moment, a vertical cylinder of the box cover separating mechanism is started, a connecting block body is pushed downwards until a vacuum chuck sucks the top sucking position of the packing box, meanwhile, a top block props against a fixed block at the front end of the packing box, the grabbing cylinder at the opposite angle of the connecting block body controls a grabbing device to buckle an inner groove at the opposite angle of the packing box, the top block fixes the fixed block of the packing box, the fixed block and the box bottom are the same body, the box bottom is fixed in situ, the sucking force of the vacuum chuck and the upward grabbing force of the grabbing device lift the upper cover of the packing box, then, a dust removal cleaning mechanism is used for conveying the bottom of the packing box separated from the box to the box, the dust removal cleaning mechanism carries out of the packing box for carrying out ion dust removal and simple cleaning of the bottom of the packing box, the IGBT module is loaded into the washed and removed from the bottom of the packing box, after the position of the bottom of the packing box is filled, the bottom is conveyed to the packing box, the packing box is conveyed to a label delivery mechanism, the packing box, the AGV passes through the label detection, and the label detection, the label delivery of the label detection mechanism, the label delivery of the packing box is carried out of the packing box.

Preferably, the transfer manipulator is arranged between the testing mechanisms or at an inner corner connected with the testing mechanisms, and the transfer manipulator schedules the IGBT modules on the safety testing mechanism, the static testing mechanism, the dynamic testing mechanism and the PIN testing mechanism; the safety test mechanism, the static test mechanism, the dynamic test mechanism and the PIN test mechanism can change or delete the test flow according to the importance degree of the test item, and the sequence from the second step to the fifth step can be freely switched and combined.

The invention has the beneficial effects that:

1. the invention has more efficient feeding, discharging and testing speed, wherein the testing sequence and the testing items can be freely adjusted according to the requirements of users, the flexibility of the testing items is higher, a double-channel feeding and discharging type is adopted on the feeding, discharging and testing mechanism, the testing efficiency is accelerated, the testing precision is higher, the full-automatic testing flow replaces manual testing, the time and the labor are saved, and the labor cost is reduced;

2. the steps of dedusting and static removing for the packaging box are added in the packaging and shipping process, so that the problem that the IGBT module is damaged in function due to static dust after detection is solved, the success of box cover separation is ensured, the problem that a machine needs to be clamped for a longer time to solve the maintenance problem due to incomplete box cover separation is prevented, the work of all processes can be completed without manual participation, the human resource investment is low, and the cost is reduced;

3. most of mechanisms adopt a dual-channel mode, the efficiency of the operation process is greatly improved, for example, the feeding mechanism is provided with the discharging transverse cylinder and the recovering transverse cylinder, so that the flow tool and the transferring manipulator of the subsequent flow only need to act at the same position, the material discharging layer and the recovering layer are adjusted only through the discharging transverse cylinder and the recovering transverse cylinder, the safety test mechanism can alternately and alternately discharge materials on the ground, the upper IGBT module and the lower IGBT module are replaced to start testing when the discharging is prepared after the IGBT module is tested, the waiting time of the test mechanism is greatly reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the feed mechanism of the present invention;

FIG. 3 is a schematic view of the back side of the feed mechanism of the present invention;

FIG. 4 is a schematic diagram of the safety testing mechanism of the present invention;

FIG. 5 is a schematic diagram of the detection platform of the present invention;

FIG. 6 is a schematic bottom view of the testing platform of the present invention;

FIG. 7 is a schematic structural view of the PIN testing mechanism of the present invention;

FIG. 8 is a schematic diagram of the back side structure of the PIN testing mechanism of the present invention;

FIG. 9 is a schematic structural view of the cleaning mechanism of the present invention;

FIG. 10 is an enlarged view of the lid release mechanism of FIG. 1 at A;

FIG. 11 is a schematic structural view of a label and tape sealing mechanism of the present invention;

fig. 12 is a schematic diagram of the front (above fig. 12) and back (below fig. 12) of an IGBT module tested by the invention.

In the figure: 1. a feeding mechanism 11, a feeding material warehouse, 12, a recycling material warehouse, 13, a process tool, 14, a discharging track, 141, a discharging layer, 1411, a first discharging layer, 1412, a second discharging layer, 1413, a discharging traversing cylinder, 142, a recycling layer, 1421, a first recycling layer, 1422, a second recycling layer, 1423, a recycling traversing cylinder, 2, a testing mechanism, 21, an arrangement testing mechanism, 211, a detecting platform, 2111, a first detecting platform, 21111, a first hollowed-out part, 2112, a second detecting platform, 21121, a second hollowed-out part, 2113, an arrangement switching track, 21131, an upper track, 21132, a lower track, 212, a cylinder group, 2121, a moving cylinder, 2122, a discharging cylinder, 2123, a detecting cylinder, 213, a needle bed, 22, a PIN needle testing mechanism, 221, a positioning device, 1, a turning platform, 2212, a fixing support, 2213, a transverse positioning module, 22131, a transverse track, 22132, a transverse moving motor 2214, a longitudinal positioning module 22141, a longitudinal rail 22142, a longitudinal moving motor 2215, a turnover cylinder 2216, a pressing block 222, a laser detector 223, a light-proof cover 224, a display structure 23, a static test mechanism 24, a dynamic test mechanism 3, a cleaning mechanism 31, a tray material taking port 32, a dust removal cleaning mechanism 4, a discharging mechanism 41, a packing box feeding end 411, a feeding port 42, a packing tool 421, a box cover separating mechanism 4211, a control structure 42111, a connecting block 42112, a vertical cylinder 42113, a grabbing cylinder 4212, a vacuum chuck 4213, a top block 4214, a grabbing device 422, a label packaging mechanism 423, a tape packaging mechanism 43, a packing box discharging end 431, a discharging port 5, a transfer manipulator 6, a control panel 61, a display screen, 62, a blanking control button 7 and NG.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in fig. 1-11, the invention relates to a final inspection test workstation for an IGBT power module, which comprises a feeding mechanism 1, a testing mechanism 2, a cleaning mechanism 3, a discharging mechanism 4 and a plurality of maneuvering manipulators 5; the testing mechanism 2 comprises a safety testing mechanism 21 and a PIN testing mechanism 22, the safety testing mechanism 21 and the PIN testing mechanism 22 are arranged on the rear side of the whole workstation and are transported by the maneuvering manipulator 5; the safety testing mechanism 21 comprises a testing platform 211, a cylinder group 212 and a needle bed 213 which can be used for switching and testing the IGBT module, the cylinder group 212 is connected with the lower part of the testing platform 211, the needle bed 213 is installed above the testing platform 211, a servo motor for controlling lifting is arranged below the cylinder group 212, when a tested module reaches the lower part of a testing frame, a testing cylinder 2123 can enable the tested module to be in upward top contact with a testing pin of the needle bed 213, the tested module is supported to return to a first testing platform 2111 or a second testing platform 2112 for discharging after the testing is finished, the first testing platform 2111 and the second testing platform 2112 are respectively provided with a single moving cylinder 2121, the two cylinders are divided into work and do not interfere with each other clearly, and the working efficiency is high; the PIN testing mechanism 22 comprises a positioning device 221 and a laser detector 222, an IGBT module is clamped on the positioning device 221, the laser detector 222 is installed above the positioning device 221, the IGBT module on the positioning device 221 is transported through a transfer manipulator 5, the positioning device 221 drives a transverse rail 22131 to control a fixed support 2212 to move on an X axis through a transverse moving motor 22132, a longitudinal rail 22141 is driven to control the fixed support 2212 to move on a Y axis through a longitudinal moving motor 22142, the fixed support 2212 can be positioned at any position on a platform, the detection flexibility is improved, one corner of the IGBT module can be pressed through vertical pressure by the area of a pressing block 2216, the PIN of the IGBT module cannot be blocked, and the detection of the PIN is not influenced; the feeding mechanism 1 comprises a feeding warehouse 11 and a recovery warehouse 12, a process tool 13 is arranged between the feeding warehouse 11 and the recovery warehouse 12, the process tool 13 is connected with the feeding warehouse 11 and the recovery warehouse 12, the feeding mechanism 1 further comprises a discharging rail 14, an IGBT module on the discharging rail 14 is transmitted to the testing mechanism 2 through the transfer manipulator 5, the arranged feeding warehouse 11 and the recovery warehouse 31 can be adjusted according to specific engineering quantity, the warehouse is provided with a warehouse frame, the warehouse frame is responsible for installation of the control panel 6 and routing of various circuits, the back of the warehouse is provided with a baffle, but the side face of the warehouse is not provided with the baffle, so that the equipment is convenient to fix, the heat dissipation safety is ensured, and the flexibility of the warehouse is higher; the cleaning mechanism 3 comprises a tray material taking port 31 and a dust removing cleaning mechanism 32, the manipulator 5 is transferred to transfer the IGBT module on the testing mechanism 2 to the tray material taking port 31, the tray material taking port 31 is connected with the dust removing cleaning mechanism 32, the dust removing cleaning mechanism 32 is connected with the discharging mechanism 4, the dust removing cleaning mechanism 32 adds the steps of dust removal and static electricity removal to the packaging box in the packaging and discharging process, and the problem that the IGBT module is damaged in function due to static dust after being detected is avoided; laser detector 222 detects the PIN on the front of the IGBT module for the first time and the back plate radian on the back of the IGBT module for the second time.

The testing mechanism further comprises a static testing mechanism 23 and a dynamic testing mechanism 24, the IGBT modules are transported among the static testing mechanism 23, the dynamic testing mechanism 24 and other mechanisms through the transfer manipulator 5, and the static testing mechanism 23 and the dynamic testing mechanism 24 are installed around the safety testing mechanism 21; the detection platform 211 comprises a first detection platform 2111, a second detection platform 2112 and a safety switching track 2113, the first detection platform 2111 and the second detection platform 2112 are both connected with the safety switching track 2113, IGBT modules transported by the transfer manipulator 5 are placed on the first detection platform 2111 and the second detection platform 2112, and the needle bed 213 is installed above the first detection platform 2111; the cylinder group 212 comprises a moving cylinder 2121, a discharging cylinder 2122 and a detecting cylinder 2123, the detecting cylinder 2123 is arranged below the needle bed 213, the discharging cylinder 2122 is arranged on the other side of the detecting cylinder 2123, and the first detecting platform 2111 and the second detecting platform 2112 are connected with the moving cylinder 2121; the positioning device 221 comprises a turning platform 2211, a fixing support 2212, a transverse positioning module 2213 and a longitudinal positioning module 2214; the transverse positioning module 2213 comprises a transverse rail 22131 and a transverse moving motor 22132, the transverse rail 22131 is connected with the transverse moving motor 22132, and the fixing bracket 2212 is installed on the transverse rail 22131; the longitudinal positioning module 2214 comprises a longitudinal rail 22141 and a longitudinal moving motor 22142, the longitudinal rail 22141 is connected with the longitudinal moving motor 22142, the transverse rail 22131 is arranged above the longitudinal rail 22141, the overturning platform 2211 is arranged on the fixed support 2212, the overturning platform 2211 is connected with an overturning cylinder 2215 and a pressing block 2216, a heating module and a cooling module are arranged on a carrier of the installation and transfer manipulator 5, the heating module and the cooling module are arranged in front 24 of the dynamic testing mechanism, and before dynamic testing, the heating module and the cooling module need to heat and cool the IGBT module for testing the heat resistance of the IGBT module.

The discharging mechanism 4 comprises a packaging box feeding end 41, a packaging tool 42 and a packaging box discharging end 43, wherein the packaging tool 42 comprises a box cover separating mechanism 421, a label packaging mechanism 422 and a tape packaging mechanism 423, the box cover separating mechanism 421, the label packaging mechanism 422 and the tape packaging mechanism 423 are sequentially connected, the packaging box feeding end 41 is connected with the box cover separating mechanism 421, the packaging box discharging end 43 is connected with the tape packaging mechanism 423, the box cover separating mechanism 421 is connected with the dust removing and cleaning mechanism 32, a feeding port 411 is arranged on the packaging box feeding end 41, and the packaging box discharging end 43 is provided with a discharging port 431, so that the success of box cover separation is guaranteed, the phenomenon that a machine is blocked due to incomplete box cover separation and needs to solve the maintenance problem for a longer time is avoided, the work of all processes can be completed without manual participation, the human resource investment is low, the cost is reduced, and the dust removing and cleaning mechanism 32, the box cover separating mechanism 421, the label packaging mechanism 422 and the tape packaging mechanism 423 are sequentially connected through a conveying track.

The box cover separating mechanism 421 comprises a control structure 4211, a vacuum chuck 4212, a top block 4213 and a grabbing device 4214, wherein the top block 4213, the vacuum chuck 4212 and the grabbing device 4214 are all installed on the control structure 4211, the control structure 4211 comprises a connecting block 42111, a vertical cylinder 42112 and a grabbing cylinder 42113, the vertical cylinder 42112 is installed in the middle of the upper side of the connecting block 42111, the vacuum chuck 4212 and the top block 4213 are arranged on the lower side of the connecting block 42111, the grabbing device 4214 is arranged on the opposite angle of the connecting block 42111, the grabbing cylinder 42113 is installed on the upper side of the connecting block 42111, the grabbing cylinder 42113 is connected with the grabbing device 4214, and in specific implementation, the vacuum chuck 4212 plays a role in improving the success of separating the box cover and installing the packaging box cover back to the bottom of the packaging box, the jacking block 4213 has the function of jacking the bottom of the packaging box to prevent the bottom of the packaging box from being lifted by the vacuum chuck 4212 and the grabbing device 4214, the grabbing device 4214 ensures that the box cover is lifted without changing the horizontal position, so that the box cover is convenient to remount, the grabbing device 4214 is specifically two mechanical grabbing hooks, in action, the grabbing cylinder 42113 controls the buckling from the opposite corners of the packaging box to the groove of the packaging box, and the vertical cylinder 42112 upwards takes the packaging box cover up, so that the purpose of lifting the box cover of the whole packaging box from the bottom of the box is achieved, the vacuum chuck 4212 performs adsorption on the specified position on the packaging box to play a role in assisting lifting, the vertical cylinder 42112 can press the box cover down when the control knot 4211 returns the box cover to the bottom of the box, at the moment, the vacuum chuck 4212 releases the box cover, and the problems of edge warping and gaps after the box cover of the packaging box is finished are prevented.

The discharging rail 14 comprises a discharging layer 141 and a recycling layer 142, the discharging layer 141 comprises a first discharging layer 1411 and a second discharging layer 1412, the first discharging layer 1411 is positioned below the second discharging layer 1412, the second discharging layer 1412 is higher than the first discharging layer 1411, discharging traversing cylinders 1413 are arranged on the first discharging layer 1411 and the second discharging layer 1412, and the discharging traversing cylinders 1413 are fixed on the side surfaces of the discharging layer 141; the recycling layer 142 comprises a first recycling layer 1421 and a second recycling layer 1422, the first recycling layer 1421 is located below the second recycling layer 1422, the second recycling layer 1422 is higher than the first recycling layer 1421, recycling transverse cylinders 1423 are arranged on the first recycling layer 1421 and the second recycling layer 1422, the recycling transverse cylinders 1423 are fixed on the side surfaces of the recycling layer 142, by arranging the two discharging layers and the recycling layers, only one process tool 13 can have enough time to recycle and place trays during operation, the problem of time waste caused by no discharging tray on a discharging rail 14 when the discharging tool 13 does not have time to recycle trays or recycle trays due to too fast discharging is avoided, the work smoothness degree and the work efficiency of a machine are improved, the discharging transverse cylinders 1413 and the recycling transverse cylinders 1423 are arranged, so that the transfer manipulators 13 and the transfer of the recycling layers and the discharging layers can be adjusted only by acting on the same position of the transfer manipulator 5 of the process tool 13 and the subsequent processes, only the discharging transverse cylinders 1413 and the recycling transverse cylinders 1423 need to push the second recycling manipulator 1412 to clamp the discharging layers and the second recycling layers 1421 and the second recycling layers.

The PIN detection mechanism 22 further comprises a light shielding cover 223 and a display structure 224; the display structure 224 is installed on the back of the light-proof cover 223, the light-proof cover 223 covers the laser detector 222, the display structure 224 is connected with the laser detector 222, laser generated by the laser detector 222 can affect human eyes, and excessive irradiation can cause irreparable damage.

The safety switching track 2113 comprises an upper track 21131 and a lower track 21132, a first hollowed-out portion 21111 is formed in the first detection platform 2111, a second hollowed-out portion 21121 is formed in the second detection platform 2112, the first hollowed-out portion 21111 is located in the middle of the first detection platform 2111, the second hollowed-out portion 21121 is located in the middle of the second detection platform 2112, the discharging air cylinder 2122 and the detection air cylinder 2123 push the IGBT module through the first hollowed-out portion 21111 and the second hollowed-out portion 21121, the first detection platform 2111 and the upper track 21131 are connected in a normal lower track mode, the second detection platform 2112 and the lower track 21132 are connected in an inverted hanging mode, the occupied vertical space can be reduced through the arrangement mode, meanwhile, the upper and lower tracks cannot collide when being alternately arranged, efficiency is guaranteed, and space utilization rate is improved to the greatest extent.

The feeding mechanism 1, the safety testing mechanism 21, the static testing mechanism 23, the dynamic testing mechanism 24, the PIN testing mechanism 22, the cleaning mechanism 3 and the discharging mechanism 4 are respectively provided with a control panel 6 and an NG blanking station 7, the control panel 6 comprises a display screen 61 and a control button 62, the containing area of the NG blanking station 7 is large and is divided into two blanking ports, the blanking efficiency is further improved, and a user can check the running condition of the equipment by inputting control and setting of the control button 62 to the equipment.

A final test workstation and a test method for an IGBT power module specifically comprise the following steps:

the method comprises the following steps: a trolley provided with a tray of an IGBT module is pushed into a feeding warehouse 11 of a feeding mechanism 1 and clamped on the wall surface of the feeding warehouse 11, then the trolley which is empty is pushed to a recovery warehouse 12 of the feeding mechanism 1 and clamped on the wall surface of the recovery warehouse 12, at the moment, the tray is positioned below a process tool 13, the process tool 13 descends to the tray on the trolley along with the track belt of the process tool 13, the process tool 13 covers the tray, a clamping piece on the process tool 13 clamps the periphery of the tray, then the process tool 13 moves to a discharging track 14 through a transverse track, the process tool 13 places the tray on a first discharging layer 1 or a second discharging layer 1412 of the discharging track 14, the trays on the first discharging layer 1411 and the second discharging layer 1412 are grabbed by a maneuvering manipulator 1415 to execute discharging operation in turn, grabbing the tray to one of the mechanisms in the testing mechanism 2 to start the performance test of the IGBT module, placing the tray on the empty discharging layer 141 by the process tool 13, recovering the NG IGBT module to the NG blanking station 7 by the maneuvering manipulator 5, clamping and transferring the discharged tray on the first recycling layer 1421 or the second recycling layer 1422 on the recycling layer 142 to the cart on the recycling bin 12 through the process tool 13, pushing and pulling the first discharging layer 1411 and the second discharging layer 1412 by the discharging traversing cylinder 1413 on the discharging layer 141 to switch and discharge the tray back and forth, pushing and pulling the first recycling layer 1421 and the second recycling layer 1422 by the recycling traversing cylinder 1423 on the recycling layer 142 to move back and forth, and taking out the cart from the recycling bin 12 by a worker after the recycling cart is filled with the tray;

step two: the manipulator 5 is transferred to place the grabbed IGBT module on a first detection platform 2111 of the safety regulation testing mechanism 21, a moving air cylinder 2121 on the first detection platform 2111 pushes the first detection platform 2111 to move to an upper rail 21131 below a pressure-resistant tester 213, at the moment, a moving air cylinder 2121 on the second detection platform 21121 pushes the second detection platform 21121 to move to a lower rail 21132 at a feeding and discharging position, a discharging air cylinder 2122 pushes up to receive a second IGBT module through a second hollowed-out part 21121, meanwhile, a detecting air cylinder 2123 pushes up through a first hollowed-out part 21111 to push a first IGBT module on the first detection platform 2111 to the needle bed 213 to start a discharging test, after the test is finished, the detecting air cylinder 2123 recovers to place the first IGBT module on the first detection platform 21121, the discharging air cylinder 2122 also recovers to place the second IGBT module on the second detection platform 21121, the moving air cylinder 2121 pushes the first detection platform 2111 and the second detection platform 2112 to replace, the first detection platform 2111 and the second detection platform 2112, the first detection platform 2111 returns to the second detection platform 2112, and the second detection platform 2112 receives the IGBT module to carry out the repeated high-voltage detection condition of the second detection module, and the three IGBT module detection of the second detection manipulator 2112, and the detection manipulator for repeatedly detecting modules;

step three: the manipulator 5 is transferred to place the IGBT module on the overturning platform 2211 of the PIN testing mechanism 22, the IGBT module is fixed on the overturning platform 2211 through the pressing block 2216, at this time, the fixing support 2212 is moved on the transverse rail 22131 and the longitudinal rail 22141 through the transverse moving motor 22132 and the longitudinal moving motor 22142 to reach the detection area, the laser detector 11 is started to detect the position degree of the front PIN, the display structure 224 displays the detection result on the back side of the light-proof cover 223 in real time, after the laser detector 222 finishes the detection, the overturning platform 2211 is overturned through the overturning cylinder 2215 to enable the back radian of the IGBT module to face the laser detector 222, the fixing support 2212 is moved on the transverse rail 22131 and the longitudinal rail 22141 to reach the detection area through the transverse moving motor 22132 and the longitudinal moving motor 22142 again, the laser detector 222 carries out the radian back detection on the IGBT module, after the detection, the pressing block 2216 relaxes the IGBT module, and the manipulator 5 transfers the qualified IGBT module out of the detection mechanism or places the unqualified IGBT module to the blanking station 2217;

step four: before static test, the manipulator 5 is transferred to release the IGBT module to a heating module, the IGBT module is placed on a heating table and heated to 150 ℃, the IGBT module is subjected to static test after heating, the manipulator 5 is transferred to place the IGBT module to a cooling module for cooling after the test is finished, and the qualified IGBT module is moved out of the detection mechanism or the unqualified IGBT module is placed to an NG blanking station 7 by the manipulator 5 after the test is finished;

step five: before dynamic testing, the manipulator 5 is transferred to release the IGBT module to the heating module, the IGBT module is placed on a heating table and heated to 150 ℃, dynamic testing is carried out on the IGBT module after heating, the manipulator 5 is transferred to place the IGBT module to the cooling module for cooling after testing is finished, and after testing is finished, the manipulator 5 is transferred to move the qualified IGBT module out of the detection mechanism or place the unqualified IGBT module to the NG blanking station 7;

step six: the tested IGBT power module is grabbed by a transfer manipulator 5 and placed at a tray material taking port 31, a packing box is placed at a material feeding port 411 of a packing box feeding end 41, the packing box is conveyed to a box cover separating mechanism 421, at the moment, a vertical cylinder 42112 of the box cover separating mechanism 421 is started, a connecting block 42111 is pushed downwards until a vacuum sucker 4212 sucks the top sucking position of the packing box, meanwhile, a top block 4213 props against a fixing block at the front end of the packing box, a grabbing cylinder 42113 at the opposite angle of the connecting block 42111 controls a grabbing device 4214 to buckle an inner groove at the opposite angle of the packing box, the fixing block of the packing box is fixed by the top block 4213, the fixing block and the bottom of the packing box are the same body, the bottom of the packing box is fixed in situ, the upper cover of the packing box is lifted by the sucking force of the vacuum sucker 4212 and the upward grabbing force of the grabbing device 4214, and then the bottom of the packing box separated by the box cover is conveyed to a dust removal cleaning mechanism 32, the dust removal cleaning mechanism 32 carries out ion dust removal and simple cleaning on the bottom of the packaging box to eliminate static electricity of the packaging box, an IGBT module is arranged in the cleaned and destaticized packaging box bottom at the tray material taking port 31, the packaging box bottom is transported to the box cover separating mechanism 421 again after being filled with the packaging box bottom, the control structure 4211 releases the box cover to the packaging box bottom, the box cover and the box bottom are covered and fixed at the same time, the packaging box with the covered cover is transported to the label packaging mechanism 422, the label packaging mechanism 422 carries out label pasting on the packaging box and carries out qualification detection on the pasted label, the packaging box is transported to the adhesive tape mechanism 423 for carrying out adhesive tape packaging on the side face after the label is detected, then the packaging box reaches the packaging box discharging end 43 and is stacked, and all packaging boxes for discharging are taken out from the discharging port 431 by manpower or AGV.

The transfer manipulator 5 is arranged among the testing mechanisms 2 or at the inner corner where the testing mechanisms 2 are connected, and the transfer manipulator 5 transfers IGBT modules on the safety testing mechanism 21, the static testing mechanism 23, the dynamic testing mechanism 24 and the PIN testing mechanism 22; the safety test mechanism 21, the static test mechanism 23, the dynamic test mechanism 24 and the PIN test mechanism 22 can change or delete the test flow according to the importance degree of the test items, and the sequence of the second step to the fifth step can be freely switched and combined.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a IGBT power module examines test workstation eventually which characterized in that: comprises a feeding mechanism (1), a testing mechanism (2), a cleaning mechanism (3), a discharging mechanism (4) and a plurality of adjusting manipulators (5);

the testing mechanism (2) comprises a safety testing mechanism (21) and a PIN testing mechanism (22), wherein the safety testing mechanism (21) and the PIN testing mechanism (22) are installed on the rear side of the whole workstation and are transported through a maneuvering manipulator (5);

the safety testing mechanism (21) comprises a detection platform (211) used for switching and testing the IGBT module, a cylinder group (212) and a needle bed (213), wherein the cylinder group (212) is connected with the lower part of the detection platform (211), and the needle bed (213) is arranged above the detection platform (211);

the PIN testing mechanism (22) comprises a positioning device (221) and a laser detector (222), an IGBT module is clamped on the positioning device (221), the laser detector (222) is installed above the positioning device (221), and the IGBT module on the positioning device (221) is transported through a transfer manipulator (5);

the feeding mechanism (1) comprises a feeding material warehouse (11) and a recovery material warehouse (12), a process tool (13) is arranged between the feeding material warehouse (11) and the recovery material warehouse (12), the process tool (13) is connected with the feeding material warehouse (11) and the recovery material warehouse (12), the feeding mechanism (1) further comprises a discharging track (14), and an IGBT module on the discharging track (14) is transmitted to the testing mechanism (2) through a transfer manipulator (5);

cleaning mechanism (3) are got material mouth (31) and dust removal cleaning mechanism (32) including the tray, transfer manipulator (5) with the IGBT module on accredited testing organization (2) to the tray get material mouth (31) on, the tray is got material mouth (31) and is connected with dust removal cleaning mechanism (32), dust removal cleaning mechanism (32) are connected with discharge mechanism (4).

2. The method for testing the IGBT power module final inspection test workstation according to claim 1, characterized in that: the testing mechanism further comprises a static testing mechanism (23) and a dynamic testing mechanism (24), IGBT modules are transported between the static testing mechanism (23) and the dynamic testing mechanism (24) and other mechanisms through a transfer manipulator (5), and the static testing mechanism (23) and the dynamic testing mechanism (24) are installed around the safety testing mechanism (21);

the detection platform (211) comprises a first detection platform (2111), a second detection platform (2112) and a safety switching track (2113), the first detection platform (2111) and the second detection platform (2112) are connected with the safety switching track (2113), IGBT modules transported through a transfer manipulator (5) are placed on the first detection platform (2111) and the second detection platform (2112), and a needle bed (213) is installed above the first detection platform (2111); the cylinder group (212) comprises a moving cylinder (2121), a discharging cylinder (2122) and a detecting cylinder (2123), the detecting cylinder (2123) is installed below the needle bed (213), the discharging cylinder (2122) is installed on the other side of the detecting cylinder (2123), and the first detecting platform (2111) and the second detecting platform (2112) are connected with the moving cylinder (2121);

the positioning device (221) comprises a turnover platform (2211), a fixed support (2212), a transverse positioning module (2213) and a longitudinal positioning module (2214); the transverse positioning module (2213) comprises a transverse rail (22131) and a transverse moving motor (22132), the transverse rail (22131) is connected with the transverse moving motor (22132), and the fixing bracket (2212) is installed on the transverse rail (22131); the longitudinal positioning module (2214) comprises a longitudinal rail (22141) and a longitudinal moving motor (22142), the longitudinal rail (22141) is connected with the longitudinal moving motor (22142), the transverse rail (22131) is arranged above the longitudinal rail (22141), the overturning platform (2211) is installed on the fixing support (2212), and the overturning platform (2211) is connected with an overturning air cylinder (2215) and a pressing block (2216).

3. The IGBT power module final inspection test workstation of claim 1, characterized in that: discharge mechanism (4) are including packing carton feed end (41), packing frock (42) and packing carton shipment end (43), wherein packing frock (42) are including lid separating mechanism (421), label packaging mechanism (422) and sticky tape packaging mechanism (423), lid separating mechanism (421), label packaging mechanism (422) and sticky tape packaging mechanism (423) connect gradually, packing carton feed end (41) are connected with lid separating mechanism (421), packing carton shipment end (43) are connected with sticky tape packaging mechanism (423), lid separating mechanism (421) are connected with dust removal wiper mechanism (32), be equipped with material loading mouth (411) on packing carton feed end (41), packing carton shipment end (43) are equipped with shipment mouth (431).

4. The IGBT power module final inspection test workstation of claim 3, characterized in that: the box cover separating mechanism (421) comprises a control structure (4211), a vacuum chuck (4212), a top block (4213) and a grabbing device (4214), the top block (4213), the vacuum chuck (4212) and the grabbing device (4214) are all installed on the control structure (4211), the control structure (4211) comprises a connecting block body (42111), a vertical cylinder (42112) and a grabbing cylinder (42113), the vertical cylinder (42112) is installed in the middle of the upper side of the connecting block body (42111), the vacuum chuck (4212) and the top block (4213) are arranged on the lower side of the connecting block body (42111), the grabbing device (4214) is arranged on the opposite angle of the connecting block body (42111), the grabbing cylinder (42113) is installed on the upper side of the connecting block body (42111), and the grabbing cylinder (42113) is connected with the grabbing device (4214).

5. The IGBT power module final inspection test workstation of claim 1, characterized in that: the discharging rail (14) comprises a discharging layer (141) and a recycling layer (142), the discharging layer (141) comprises a first discharging layer (1411) and a second discharging layer (1412), the first discharging layer (1411) is located below the second discharging layer (1412), the second discharging layer (1412) is higher than the first discharging layer (1411), discharging transverse cylinders (1413) are arranged on the first discharging layer (1411) and the second discharging layer (1412), and the discharging transverse cylinders (1413) are fixed on the side surfaces of the discharging layer (141);

the recycling layer (142) comprises a first recycling layer (1421) and a second recycling layer (1422), the first recycling layer (1421) is located below the second recycling layer (1422), the second recycling layer (1422) is higher than the first recycling layer (1421), recycling transverse cylinders (1423) are arranged on the first recycling layer (1421) and the second recycling layer (1422), and the recycling transverse cylinders (1423) are fixed on the side faces of the recycling layer (142).

6. The IGBT power module final inspection test workstation of claim 1, characterized in that: the PIN detection mechanism (22) further comprises a light shielding cover (223) and a display structure (224);

the display structure (224) is arranged on the back of the light-proof cover (223), the light-proof cover (223) covers the laser detector (222), and the display structure (224) is connected with the laser detector (222).

7. The IGBT power module final inspection test workstation of claim 2, characterized in that: the safety switching track (2113) comprises an upper track (21131) and a lower track (21132), a first hollowed-out portion (21111) is formed in the first detection platform (2111), a second hollowed-out portion (21121) is formed in the second detection platform (2112), the first hollowed-out portion (21111) is located in the middle of the first detection platform (2111), the second hollowed-out portion (21121) is located in the middle of the second detection platform (2112), and the discharging air cylinder (2122) and the detection air cylinder (2123) push the IGBT module through the first hollowed-out portion (21111) and the second hollowed-out portion (21121).

8. The IGBT power module final inspection test workstation of claim 2, characterized in that: all be equipped with control panel (6) and NG unloading station (7) on feed mechanism (1), ann rule accredited testing organization (21), static accredited testing organization (23), dynamic accredited testing organization (24), PIN needle accredited testing organization (22), wiper mechanism (3) and discharge mechanism (4), control panel (6) include display screen (61) and control button (62).

9. A test method for an IGBT power module final inspection test workstation is characterized by comprising the following steps:

the method comprises the following steps: pushing a trolley provided with a tray of an IGBT module into a feeding material warehouse (11) of a feeding mechanism (1) and clamping the trolley on the wall surface of the feeding material warehouse (11), pushing an empty trolley to a recovery material warehouse (12) of the feeding mechanism (1) and clamping the empty trolley on the wall surface of the recovery material warehouse (12), wherein the tray is positioned below a process tool (13), the process tool (13) descends to the tray on the trolley along with the rail belt of the process tool (13), the process tool (13) covers the tray, clamping pieces on the process tool (13) tightly clamp the periphery of the tray, then the process tool (13) moves to a discharging rail (14) through the rail belt which is transversely moved, the process tool (13) places the tray on a first discharging layer (1411) or a second discharging layer (1412) of the discharging rail (14), the trays on the first discharging layer (1411) and the second discharging layer (1412) are placed on a discharging rail (14) by a transferring manipulator (5) to execute an operation of a first discharging layer (1422) of the tray, the tray of the first discharging layer (1411) and the empty trolley (142) is placed on a recovery material warehouse or a second discharging station (1422) of the recovery material warehouse, and the tray, the tray is placed on a second discharging mechanism (1422) of the recovery material warehouse, and the recovery material warehouse, the recovery mechanism (13) and the recovery material taking operation of the tray starts to take a test module, the tray, the recovery mechanism (142), the recovery material taking test module, the tray, the recovery mechanism (142), the discharging traversing cylinder (1413) on the discharging layer (141) can push and pull back the first discharging layer (1411) and the second discharging layer (1412) to enable the first discharging layer (1411) and the second discharging layer (1412) to be switched back and forth to move for discharging, the recycling traversing cylinder (1423) on the recycling layer (142) can push and pull back the first recycling layer (1421) and the second recycling layer (1422) to enable the recycling layers to move back and forth, and a worker takes out the trolley from the recycling bin (12) after the trolley for recycling is filled with the trays;

step two: the manipulator (5) is transferred to place the picked IGBT module on a first detection platform (2111) of the safety test mechanism (21), a moving cylinder (2121) on the first detection platform (2111) pushes the first detection platform (2111) to move to an upper track (21131) below the pressure tester (213), at the moment, the moving cylinder (2121) on the second detection platform (21121) pushes the second detection platform (21121) to move to a lower track (21132) at a feeding and discharging position, a discharging cylinder (2122) pushes the second IGBT module up and receives the second IGBT module through a second hollowed-out part (21121), meanwhile, a detection cylinder (2123) pushes the first IGBT module on the first detection platform (2111) up through a first hollowed-out part (21111) to start a discharge test, after the test, the detection cylinder (2123) recovers to place the first IGBT module on the first detection platform (2111) to the first detection platform (21), the discharging cylinder (2112) recovers the second IGBT module to the second detection platform (2111) below the second detection platform (2111), the second detection platform (2111) pushes the second hollowed-out detection platform (2112) to receive the second detection platform (2111) and returns to the detection platform (2111), and the detection mechanism (213), a second IGBT module on a second detection platform (2112) performs leakage current detection under a high-voltage condition, and the alternating feeding and discharging and detection are repeatedly performed in this way;

step three: transferring a manipulator (5) to place an IGBT module on a turning platform (2211) of a PIN testing mechanism (22), fixing the IGBT module on the turning platform (2211) through a pressing block (2216), enabling a fixing support (2212) to move on a transverse rail (22131) and a longitudinal rail (22141) to reach a detection area through a transverse moving motor (22132) and a longitudinal moving motor (22142), starting a laser detector (11) and detecting the position degree of the front PIN needle, displaying a detection result on the back side of a light shield (223) in real time through a display structure (224), after the detection of the laser detector (222) is finished, turning the turning platform (2211) through a turning cylinder (2215), enabling the back side of the IGBT module to face the laser detector (222), enabling a fixing support (2212) to move on the transverse rail (22131) and the longitudinal rail (22141) to reach the detection area through the transverse moving motor (22132) and the longitudinal moving motor (22142), enabling the laser detector (222) to detect the radian of the back side of the IGBT module, releasing the pressing block (2216) after the detection is finished, and placing the IGBT module to be qualified after the detection of the IGBT module is finished is carried out through the pressing block detection mechanism (2215) and the IGBT module is placed on the detection station (2217);

step four: before static test, the manipulator (5) is transferred to release the IGBT module to the heating module, the IGBT module is placed on a heating table and heated to 150 ℃, the IGBT module is statically tested after being heated, the manipulator (5) is transferred to place the IGBT module to the cooling module for cooling after the test is finished, and the manipulator (5) is transferred to move the qualified IGBT module out of the detection mechanism or place the unqualified IGBT module to an NG blanking station (7) after the test is finished;

step five: before dynamic testing, the manipulator (5) is transferred to release the IGBT module to the heating module, the IGBT module is placed on a heating table and heated to 150 ℃, dynamic testing is carried out on the IGBT module after heating, the manipulator (5) is transferred to place the IGBT module on the cooling module for cooling after testing is finished, and the manipulator (5) is transferred to move the qualified IGBT module out of the detection mechanism or place the unqualified IGBT module on an NG blanking station (7) after testing is finished;

step six: the IGBT power module which finishes the test is grabbed and placed at a tray material taking hole (31) by a transfer manipulator (5), the packaging box is placed at a material feeding hole (411) of a packaging box feeding end (41), the packaging box is conveyed to a box cover separating mechanism (421), at the moment, a vertical cylinder (42112) of the box cover separating mechanism (421) is started, a connecting block body (42111) is pushed downwards until a vacuum suction disc (4212) sucks the top sucking position of the packaging box, meanwhile, a top block (4213) props against a fixing block at the front end of the packaging box, a grabbing cylinder (42113) at the opposite angle of the connecting block body (42111) controls a grabbing device (4214) to buckle an inner groove at the opposite angle of the packaging box, the fixing block of the packaging box is fixed by the top block (4213), and the fixing block and the bottom of the packaging box are the same body, the box bottom of the packing box is fixed in situ, the upper cover of the packing box is lifted by the suction force of a vacuum chuck (4212) and the upward grabbing force of a grabbing device (4214), then, the bottom of the packing box separated by the box cover is conveyed to a dust removal cleaning mechanism (32), the dust removal cleaning mechanism (32) performs ion dust removal and simple cleaning on the bottom of the packing box to eliminate static electricity of the packing box, an IGBT module is arranged in the cleaned and destaticized bottom of the packing box at a tray material taking port (31), after the bottom of the packing box is filled, the bottom of the packing box is conveyed to the box cover separating mechanism (421), a control structure (4211) releases the box cover to the bottom of the packing box, the box cover and the box bottom are simultaneously fixed in a covering mode, the packed box which is completely covered is conveyed to a label packaging mechanism (422), the label packaging mechanism (422) is used for labeling the packaging boxes and detecting the qualification of the labeled labels, the packaging boxes are conveyed to the adhesive tape packaging mechanism (423) to be packaged by adhesive tapes after the label detection is finished, then the packaging boxes reach the packaging box delivery end (43) and are stacked, and all the packaging boxes are taken out from the delivery port (431) by manual work or AGV.

10. The method for testing the IGBT power module final inspection test workstation according to claim 9, characterized in that: the transfer manipulator (5) is arranged between the testing mechanisms (2) or at an inner corner where the testing mechanisms (2) are connected, and the transfer manipulator (5) is used for scheduling IGBT modules on the safety testing mechanism (21), the static testing mechanism (23), the dynamic testing mechanism (24) and the PIN testing mechanism (22);

the safety test mechanism (21), the static test mechanism (23), the dynamic test mechanism (24) and the PIN test mechanism (22) can change or delete the test flow according to the importance degree of the test items, and the sequence of the second step to the fifth step can be freely switched and combined.

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