Automobile electronic patch inductor automatic magnetic sleeve assembling platform
By designing an automated platform, the automatic assembly and baking of automotive electronic patch inductor magnetic sleeves are integrated, solving the problems of oil stains and uneven glue application caused by manual operation, and improving product qualification rate and assembly efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-05
- Publication Date
- 2026-03-31
AI Technical Summary
In the existing technology, the assembly of magnetic sleeves for automotive electronic patch inductors mainly relies on manual operation, which leads to oil stains and uneven glue application, affecting the product qualification rate.
An automated platform was designed, comprising a main unit, a magnetic sleeve assembly fixture return mechanism, a feeding robot, a basic dispensing mechanism, a dispensing inspection machine, a magnetic sleeve material feeding and assembly mechanism, and a magnetic sleeve top surface arc dispensing mechanism, to achieve integrated automatic assembly and baking of magnetic sleeves.
The entire magnetic assembly process for automotive electronic surface mount inductors has been automated, improving assembly efficiency and product qualification rate, and ensuring product quality.
Smart Images

Figure CN115274280B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to an automatic magnetic sleeve assembly platform for automotive electronic patch inductors. Background Technology
[0002] In the manufacturing process of automotive electronic surface mount inductors, the assembly of the inductor's magnetic sleeve is a necessary step. In the past, the assembly of the magnetic sleeve for automotive electronic surface mount inductors was basically done by hand followed by oven drying. During manual assembly, factors such as oil stains and uneven glue application often occurred, resulting in a low product qualification rate. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide an integrated assembly and baking platform that can automatically assemble magnetic sleeves for automotive electronic patch inductors.
[0004] The technical solution adopted in this invention is as follows: This invention includes a main unit, on which a magnetic sleeve assembly fixture return mechanism is adapted. The main unit is also sequentially adapted to include a loading robot, a basic dispensing mechanism, a first dispensing inspection machine, a magnetic sleeve material loading and assembly mechanism, a magnetic sleeve top surface arc dispensing mechanism, a magnetic sleeve top four-point dispensing mechanism, a second dispensing inspection machine, a material unloading transfer mechanism, a first picking mechanism, a defective product placement tray, a baking oven, a second picking mechanism, and a discharge fixture conveying mechanism. The loading robot, the basic dispensing mechanism, the first dispensing inspection machine, the magnetic sleeve material loading and assembly mechanism, the magnetic sleeve top four-point dispensing mechanism, the magnetic sleeve top surface arc dispensing mechanism, the second dispensing inspection machine, and the material unloading transfer mechanism are respectively adapted to be positioned above the magnetic sleeve assembly fixture return mechanism.
[0005] The magnetic assembly fixture return mechanism includes a forward conveyor track and a return conveyor track respectively mounted on the main unit. The forward conveyor track and the return conveyor track are arranged horizontally side by side. Both the forward conveyor track and the return conveyor track are equipped with conveyor belts that are connected to a drive motor. The conveying direction of the conveyor belt of the forward conveyor track is opposite to that of the conveyor belt of the return conveyor track. The first end of the forward conveyor track corresponds to the end of the return conveyor track and is connected by a first transition plate. The end of the forward conveyor track corresponds to the first end of the return conveyor track and is connected by a second transition plate. A first pneumatic fixture actuating plate is adapted to be mounted on the first transition plate, and a second pneumatic fixture actuating plate is adapted to be mounted on the second transition plate. Several product assembly fixtures are adapted to be mounted on the conveyor belts. The loading robot is movably mounted above the conveyor belts.
[0006] The basic dispensing mechanism includes a basic dispensing frame, a basic Y-axis electric cylinder, a basic X-axis electric cylinder, a basic Z-axis electric cylinder, and basic dispensing guns. The basic dispensing frame is fixedly mounted on the main unit. The basic Y-axis electric cylinder is fixedly mounted on the basic dispensing frame. The basic X-axis electric cylinder is slidably mounted on the basic Y-axis electric cylinder via a basic Y-axis sliding plate. The basic Z-axis electric cylinder is slidably mounted on the basic X-axis electric cylinder via a basic X-axis sliding plate. A Z-axis sliding plate is slidably mounted on the basic Z-axis electric cylinder. Two basic dispensing guns are respectively connected and mounted on the Z-axis sliding plate via a basic three-way fine-tuning component. The two basic dispensing guns are movably positioned above the product assembly fixture, and the two basic dispensing guns form a basic dispensing injection angle with each other.
[0007] The magnetic sleeve material feeding and assembly mechanism includes a magnetic sleeve horizontal tube discharging device, a magnetic sleeve picking device, a magnetic sleeve transfer device, and a magnetic sleeve assembly device. The magnetic sleeve horizontal tube discharging device includes a magnetic sleeve discharging cover mounted on the main machine platform. Several magnetic sleeve discharging tubes are horizontally adapted to be arranged inside the magnetic sleeve discharging cover. Several magnetic sleeve discharging ports, each matching the discharging ends of one of the magnetic sleeve discharging tubes, are adapted to be arranged on the discharging end plate of the magnetic sleeve discharging cover. The magnetic sleeve picking device includes a magnetic sleeve picking support frame, a picking rotation motor, a transmission reversing gear set, a magnetic sleeve picking rotation frame, a picking linear cylinder, a picking linear moving plate, and a picking pneumatic clamping claw. The magnetic sleeve picking support frame is fixedly mounted on the main machine platform, and the transmission reversing gear set is fixedly mounted on the main machine platform. The magnetic sleeve material-picking support frame is fixedly mounted on the magnetic sleeve material-picking support frame. The output end of the material-picking rotary motor is connected to the input end of the transmission reversing gear set. One end of the magnetic sleeve material-picking rotary frame is connected to the output end of the transmission reversing gear set and is rotatably mounted on the magnetic sleeve material-picking support frame. Several material-picking linear cylinders are fixedly mounted on the magnetic sleeve material-picking rotary frame. The material-picking linear moving plate is fixedly connected to the output end of the material-picking linear cylinder. The material-picking pneumatic clamping claw is slidably mounted on the material-picking linear moving plate. A shock-absorbing spring is connected between the material-picking pneumatic clamping claw and the material-picking linear moving plate. The material-picking pneumatic clamping claw is movably corresponding to the magnetic sleeve outlet. The magnetic sleeve material-transferring device includes a magnetic sleeve rotary motor. The system comprises a material support frame, a magnetic sleeve transfer motor, and a magnetic sleeve transfer plate. The magnetic sleeve transfer support frame is fixedly mounted on the main machine platform. The magnetic sleeve transfer motor is fixedly mounted at the bottom of the first crossbeam fixing plate of the magnetic sleeve transfer support frame. The magnetic sleeve transfer plate is rotatably mounted on the upper surface of the first crossbeam fixing plate and connected to the output end of the magnetic sleeve transfer motor. The magnetic sleeve transfer plate is provided with several magnetic sleeve placement positions. A pneumatic gripper is movably positioned above the magnetic sleeve placement positions. The magnetic sleeve assembly device includes a magnetic sleeve assembly bracket, a magnetic sleeve assembly Y-axis track beam, a magnetic sleeve assembly moving motor, a magnetic sleeve assembly Y-axis moving plate, a magnetic sleeve assembly Z-axis electric cylinder, a magnetic sleeve assembly connecting plate, and a magnetic sleeve assembly pneumatic gripper. The magnetic assembly Y-axis track beam is adapted to be horizontally mounted on the magnetic assembly bracket, the magnetic assembly moving motor is fixedly mounted on the magnetic assembly Y-axis track beam, the magnetic assembly Y-axis moving plate is adapted to be slidably mounted on the magnetic assembly Y-axis track beam and connected to the output end of the magnetic assembly moving motor, the magnetic assembly Z-axis electric cylinder is adapted to be fixedly mounted on the magnetic assembly Y-axis moving plate, the magnetic assembly connecting plate is adapted to be fixedly connected to the output end of the magnetic assembly Z-axis electric cylinder, and several magnetic assembly pneumatic grippers are adapted to be fixedly mounted at the bottom of the magnetic assembly connecting plate. The magnetic assembly pneumatic grippers are respectively adapted to be movably positioned above the magnetic sleeve placement position and the product assembly fixture.
[0008] The magnetic sleeve top four-point dispensing mechanism includes a four-point dispensing support frame, a four-point dispensing Y-axis electric cylinder, a four-point dispensing fixing plate, a four-point dispensing Z-axis electric cylinder, a four-point dispensing X-axis electric cylinder, and a four-point dispensing gun. The four-point dispensing support frame is fixedly mounted on the main unit. The four-point dispensing Y-axis electric cylinder is adapted and fixedly mounted on the back of the four-point dispensing support frame. The four-point dispensing fixing plate is adapted and connected to the output end of the four-point dispensing Y-axis electric cylinder and placed on the front end face of the four-point dispensing support frame. An electric cylinder is fixedly mounted on the four-point dispensing fixing plate. The four-point dispensing X-axis electric cylinder is adapted to be mounted on the output end of the four-point dispensing Z-axis electric cylinder. Two four-point dispensing guns are adapted to be movably mounted on the output end of the four-point dispensing X-axis electric cylinder via a four-point dispensing X-axis movable plate. The four-point dispensing guns are connected to the four-point dispensing X-axis movable plate via a four-point dispensing four-box fine adjustment assembly. A second dispensing heating element is provided at the dispensing point of the four-point dispensing gun. A four-nozzle dispensing head is provided at the end of the four-point dispensing gun.
[0009] The magnetic sleeve top surface arc dispensing mechanism includes a magnetic sleeve top surface arc dispensing support frame, a magnetic sleeve top surface arc dispensing Y-axis electric cylinder, a magnetic sleeve top surface arc dispensing fixing plate, a magnetic sleeve top surface arc dispensing Z-axis electric cylinder, a magnetic sleeve top surface arc dispensing X-axis electric cylinder, and a magnetic sleeve top surface arc dispensing gun. The magnetic sleeve top surface arc dispensing support frame is fixedly mounted on the main unit. The magnetic sleeve top surface arc dispensing Y-axis electric cylinder is adapted and fixedly mounted on the back of the magnetic sleeve top surface arc dispensing support frame. The magnetic sleeve top surface arc dispensing fixing plate is adapted and connected to the output end of the magnetic sleeve top surface arc dispensing Y-axis electric cylinder and placed on the magnetic sleeve top surface arc dispensing support frame. At the front end, the Z-axis electric cylinder for dispensing the top arc of the magnetic sleeve is fixedly mounted on the magnetic sleeve top arc dispensing fixing plate. The X-axis electric cylinder for dispensing the top arc of the magnetic sleeve is adapted and mounted on the output end of the Z-axis electric cylinder for dispensing the top arc of the magnetic sleeve. Four magnetic sleeve top arc dispensing guns are adapted and movably mounted on the output end of the magnetic sleeve top arc dispensing X-axis electric cylinder through the magnetic sleeve top arc dispensing X-axis movable plate. The magnetic sleeve top arc dispensing guns are connected and mounted on the magnetic sleeve top arc dispensing X-axis movable plate through the magnetic sleeve top arc dispensing four-box fine adjustment assembly. A first dispensing heating element is provided at the dispensing point of the magnetic sleeve top arc dispensing gun.
[0010] The material feeding transfer mechanism includes a material feeding transfer frame assembly and a material feeding transfer and picking device. The material feeding transfer frame assembly includes a material feeding transfer support frame, a material feeding transfer motor, and a material feeding transfer plate. The material feeding transfer support frame is fixedly mounted on the main machine platform. The material feeding transfer motor is fixedly mounted on the bottom of the second crossbeam fixing plate of the material feeding transfer support frame. The material feeding transfer plate is rotatably mounted on the upper end face of the second crossbeam fixing plate and connected to the output end of the material feeding transfer motor. Several inductor product placement positions are adaptedly provided on the material feeding transfer plate. The material feeding transfer and picking device includes a material feeding transfer Y... The system includes a track frame, a Y-axis motor for material transfer, a Y-axis moving block for material transfer, and a pneumatic lifting product suction nozzle for material transfer. The Y-axis track frame for material transfer is fixedly mounted on the main unit. The Y-axis motor for material transfer is mounted on the Y-axis track frame for material transfer. The Y-axis moving block for material transfer is slidably mounted on the Y-axis track frame for material transfer and connected to the output end of the Y-axis motor for material transfer. Several pneumatic lifting product suction nozzles for material transfer are fixedly mounted at the bottom of the Y-axis moving block for material transfer and are movably positioned above the magnetic sleeve placement position and the product assembly fixture.
[0011] The first material handling mechanism includes a first material handling Y-axis track frame, a first material handling Y-axis motor, a first material handling Y-axis moving block, and a first material handling pneumatic lifting product suction nozzle. The first material handling Y-axis track frame is fixedly mounted on the main unit and positioned on one side of the unloading transfer Y-axis track frame. The first material handling Y-axis motor is mounted on the first material handling Y-axis track frame. The first material handling Y-axis moving block is adapted to slide on the first material handling Y-axis track frame and connected to the output end of the first material handling Y-axis motor. A plurality of first material handling pneumatic lifting product suction nozzles are adapted to be mounted on the first material handling Y-axis moving block and adapted to be positioned above the magnetic sleeve placement position, the defective product placement tray, and the feeding end of the baking oven. The second material handling mechanism includes a second material handling X-axis track frame, a second material handling X-axis motor, and a first material handling Y-axis moving block. The system comprises a second Y-axis material-retrieving track frame, a second Y-axis material-retrieving motor, a second Y-axis material-retrieving moving block, and a second pneumatic lifting product suction nozzle. The second X-axis material-retrieving track frame is mounted on the main unit platform. The second X-axis material-retrieving motor is mounted on the second X-axis material-retrieving track frame. The second Y-axis material-retrieving track frame is movably mounted on the second X-axis material-retrieving track frame and connected to the output end of the second X-axis material-retrieving motor. The second Y-axis material-retrieving motor is mounted on the second Y-axis material-retrieving track frame. The second Y-axis material-retrieving moving block is slidably mounted on the second Y-axis material-retrieving track frame and connected to the output end of the second Y-axis material-retrieving motor. Several second pneumatic lifting product suction nozzles are fixedly mounted on the second Y-axis material-retrieving moving block and movably positioned above the discharge end of the baking oven.
[0012] The discharge fixture conveying mechanism includes a discharge fixture conveying track frame, which is mounted on the main machine platform. A discharge fixture conveyor belt, a discharge fixture conveying motor, and a discharge detection component are adapted to be mounted on the discharge fixture conveying track frame. The discharge fixture conveyor belt is connected to the output end of the discharge fixture conveying motor. The discharge detection component is positioned above the discharge fixture conveyor belt. The second pneumatic lifting product suction nozzle is adapted to be movably mounted above the discharge fixture conveyor belt.
[0013] Beneficial effects: In this invention, the entire process of magnetic assembly, including baking and unpacking, can be completed for automotive electronic patch inductors, eliminating manual assembly and repackaging and baking, greatly improving assembly efficiency, increasing product qualification rate, and ensuring product quality. Attached Figure Description
[0014] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the present invention;
[0015] Figure 2 This is a schematic diagram of the basic dispensing mechanism of the present invention;
[0016] Figure 3 This is a schematic diagram of the combined structure of the magnetic sleeve material picking device, the magnetic sleeve material transferring device, and the magnetic sleeve assembly device in this invention;
[0017] Figure 4 This is a schematic diagram of the magnetic sleeve material handling device of the present invention.
[0018] Figure 5 This is a schematic diagram of the magnetic sleeve material transfer device in this invention;
[0019] Figure 6 This is a schematic diagram of the magnetic assembly device in this invention;
[0020] Figure 7 This is a schematic diagram of the arc-shaped adhesive dispensing mechanism on the top surface of the magnetic sleeve in this invention;
[0021] Figure 8 This is a schematic diagram of the four-point adhesive dispensing mechanism at the top of the magnetic sleeve in this invention;
[0022] Figure 9 This is a schematic diagram of the structure of the material feeding transfer frame assembly in this invention;
[0023] Figure 10 This is a schematic diagram of the structure of the first material handling mechanism in this invention;
[0024] Figure 11 This is a schematic diagram of the structure of the second material handling mechanism in this invention;
[0025] Figure 12This is a schematic diagram of the material discharge fixture conveying mechanism in this invention. Detailed Implementation
[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 As shown, the present invention includes a main unit 1, on which a magnetic sleeve assembly fixture return mechanism is adapted. The main unit 1 also sequentially comprises a loading robot, a basic dispensing mechanism, a first dispensing inspection machine 21, a magnetic sleeve material loading and assembly mechanism, a magnetic sleeve top surface arc dispensing mechanism, a magnetic sleeve top four-point dispensing mechanism, a second dispensing inspection machine 22, a discharge transfer mechanism, a first picking mechanism, a defective product placement tray 23, a baking oven 24, a second picking mechanism, and a discharge fixture conveying mechanism. The loading robot, the basic dispensing mechanism, the first dispensing inspection machine 21, the magnetic sleeve material loading and assembly mechanism, the magnetic sleeve top four-point dispensing mechanism, the magnetic sleeve top surface arc dispensing mechanism, the second dispensing inspection machine 22, and the discharge transfer mechanism are respectively adapted to be positioned above the magnetic sleeve assembly fixture return mechanism. The loading robot is adapted to and movably connected to an external material hopper.
[0027] The magnetic assembly fixture return mechanism includes a forward conveyor track 31 and a return conveyor track 32 respectively mounted on the main unit 1. The forward conveyor track 31 and the return conveyor track 32 are arranged horizontally side by side. Both the forward conveyor track 31 and the return conveyor track 32 are equipped with conveyor belts that are connected to a drive motor. The conveying direction of the conveyor belt of the forward conveyor track 31 is opposite to that of the conveyor belt of the return conveyor track 32. The first end of the forward conveyor track 31 corresponds to the end of the return conveyor track 32 and is connected by a first transition plate. The end of the forward conveyor track 31 corresponds to the first end of the return conveyor track 32 and is connected by a second transition plate 34. A first pneumatic fixture actuating plate 35 is adapted to be mounted on the first transition plate, and a second pneumatic fixture actuating plate 36 is adapted to be mounted on the second transition plate 34. A plurality of product assembly fixtures 37 are adapted to be mounted on the conveyor belt, and the loading robot is movably mounted above the conveyor belt.
[0028] The basic dispensing mechanism includes a basic dispensing frame 41, a basic Y-axis electric cylinder 42, a basic X-axis electric cylinder 43, a basic Z-axis electric cylinder 44, and basic dispensing guns 45. The basic dispensing frame 41 is fixedly mounted on the main unit 1. The basic Y-axis electric cylinder 42 is fixedly mounted on the basic dispensing frame 41. The basic X-axis electric cylinder 43 is slidably mounted on the basic Y-axis electric cylinder 42 via a basic Y-axis sliding plate. The basic Z-axis electric cylinder 44 is slidably mounted on the basic X-axis electric cylinder 43 via a basic X-axis sliding plate. A Z-axis sliding plate 46 is slidably mounted on the basic Z-axis electric cylinder 44. Two basic dispensing guns 45 are respectively connected and mounted on the Z-axis sliding plate 46 via a basic three-way fine-tuning component 47. The two basic dispensing guns 45 are movably positioned above the product assembly fixture 37, and the two basic dispensing guns 45 form a basic dispensing injection angle with each other.
[0029] The magnetic sleeve material feeding and assembly mechanism includes a magnetic sleeve horizontal tube discharging device, a magnetic sleeve picking device, a magnetic sleeve transfer device, and a magnetic sleeve assembly device. The magnetic sleeve horizontal tube discharging device includes a magnetic sleeve discharging cover 511 mounted on the main unit 1. Several magnetic sleeve discharging tubes 512 are horizontally adapted to be arranged inside the magnetic sleeve discharging cover 511. Several magnetic sleeve discharging ports 513, adapted to the discharging ends of the magnetic sleeve discharging cover 511, are adapted to be provided on the discharging end plate of the magnetic sleeve discharging cover 511. The magnetic sleeve picking device includes a magnetic sleeve picking support frame 521 and a picking rotation motor 522. The system comprises a transmission reversing gear set 523, a magnetic sleeve material-picking rotating frame 524, a material-picking linear cylinder 525, a material-picking linear moving plate 526, and a material-picking pneumatic clamping claw 527. The magnetic sleeve material-picking support frame 521 is fixedly mounted on the main unit 1. The transmission reversing gear set 523 is fixedly mounted on the magnetic sleeve material-picking support frame 521. The output end of the material-picking rotating motor 522 is connected to the input end of the transmission reversing gear set 523. One end of the magnetic sleeve material-picking rotating frame 524 is connected to the output end of the transmission reversing gear set 523 and is rotatably mounted on the magnetic sleeve material-picking support frame 521. Above, several linear cylinders 525 are adapted and fixedly mounted on the magnetic sleeve picking rotating frame 524. The linear moving plate 526 is fixedly connected to the output end of the linear cylinders 525. The pneumatic gripper 527 is adapted and slidably mounted on the linear moving plate 526. A shock-absorbing spring 528 is connected between the pneumatic gripper 527 and the linear moving plate 526. The pneumatic gripper 527 is adapted and corresponds to the magnetic sleeve outlet 513. The magnetic sleeve transfer device includes a magnetic sleeve transfer support frame 531 and a magnetic sleeve transfer mechanism. The system includes a motor 532 and a magnetic sleeve transfer plate 533. The magnetic sleeve transfer support frame 531 is fixedly mounted on the main unit 1. The magnetic sleeve transfer motor 532 is fixedly mounted at the bottom of the first crossbeam fixing plate 5311 of the magnetic sleeve transfer support frame 531. The magnetic sleeve transfer plate 533 is rotatably mounted on the upper end face of the first crossbeam fixing plate 5311 and connected to the output end of the magnetic sleeve transfer motor 532. The magnetic sleeve transfer plate 533 is adapted to be provided with a plurality of magnetic sleeve placement positions 5331. The pneumatic gripper 527 is adapted to be movably positioned above the magnetic sleeve placement positions 5331.The magnetic assembly device includes a magnetic assembly bracket 541, a magnetic assembly Y-axis track beam 542, a magnetic assembly moving motor 543, a magnetic assembly Y-axis moving plate 544, a magnetic assembly Z-axis electric cylinder 545, a magnetic assembly connecting plate 546, and a magnetic assembly pneumatic gripper 547. The magnetic assembly bracket 541 is adapted to be mounted on the main unit 1. The magnetic assembly Y-axis track beam 542 is adapted to be horizontally mounted on the magnetic assembly bracket 541. The magnetic assembly moving motor 543 is fixedly mounted on the magnetic assembly Y-axis track beam 542. The magnetic assembly Y-axis moving plate 544 is adapted to slide. The magnetic assembly Y-axis track beam 542 is mounted on the magnetic assembly moving motor 543 and connected to its output end. The magnetic assembly Z-axis electric cylinder 545 is adapted and fixedly mounted on the magnetic assembly Y-axis moving plate 544. The magnetic assembly connecting plate 546 is adapted and fixedly connected to the output end of the magnetic assembly Z-axis electric cylinder 545. Several magnetic assembly pneumatic grippers 547 are adapted and fixedly mounted at the bottom of the magnetic assembly connecting plate 546. The magnetic assembly pneumatic grippers 547 are respectively adapted and movably positioned above the magnetic sleeve placement position 5331 and the product assembly fixture 37.
[0030] The magnetic sleeve top four-point dispensing mechanism includes a four-point dispensing support frame 561, a four-point dispensing Y-axis electric cylinder 562, a four-point dispensing fixing plate 563, a four-point dispensing Z-axis electric cylinder 564, a four-point dispensing X-axis electric cylinder 565, and a four-point dispensing gun 566. The four-point dispensing support frame 561 is fixedly mounted on the main unit 1. The four-point dispensing Y-axis electric cylinder 562 is adapted and fixedly mounted on the back of the four-point dispensing support frame 561. The four-point dispensing fixing plate 563 is adapted and connected to the output end of the four-point dispensing Y-axis electric cylinder 562 and placed on the front end face of the four-point dispensing support frame 561. The four-point dispensing Z-axis electric cylinder 564 is fixedly mounted on the back of the four-point dispensing support frame 561. The four-point dispensing fixing plate 565 is adapted and connected to the output end of the four-point dispensing Y-axis electric cylinder 562 and placed on the front end face of the four-point dispensing support frame 561. The four-point dispensing Z-axis electric cylinder 564 is fixedly mounted on the back of the four-point dispensing support frame 561. 64 is fixedly mounted on the four-point dispensing fixing plate 563. The four-point dispensing X-direction electric cylinder 565 is adapted to be mounted on the output end of the four-point dispensing Z-direction electric cylinder 564. Two four-point dispensing guns 566 are adapted to be movably mounted on the output end of the four-point dispensing X-direction electric cylinder 565 via a four-point dispensing X-direction movable plate 567. The four-point dispensing guns 566 are connected to the four-point dispensing X-direction movable plate 567 via a four-point dispensing four-box fine adjustment assembly 568. A second dispensing heating element 5661 is provided at the dispensing point of the four-point dispensing gun 566. A four-nozzle dispensing head 5662 is provided at the end of the four-point dispensing gun 566.
[0031] The magnetic sleeve top surface arc dispensing mechanism includes a magnetic sleeve top surface arc dispensing support frame 551, a magnetic sleeve top surface arc dispensing Y-axis electric cylinder 552, a magnetic sleeve top surface arc dispensing fixing plate 553, a magnetic sleeve top surface arc dispensing Z-axis electric cylinder 554, a magnetic sleeve top surface arc dispensing X-axis electric cylinder 555, and a magnetic sleeve top surface arc dispensing gun 556. The magnetic sleeve top surface arc dispensing support frame 551 is fixedly mounted on the main unit 1. The magnetic sleeve top surface arc dispensing Y-axis electric cylinder 552 is adapted and fixedly mounted on the back of the magnetic sleeve top surface arc dispensing support frame 551. The magnetic sleeve top surface arc dispensing fixing plate 553 is adapted and connected to the output end of the magnetic sleeve top surface arc dispensing Y-axis electric cylinder 552 and placed on the magnetic sleeve top surface arc dispensing support frame 551. At the front end, the Z-axis electric cylinder 554 for dispensing adhesive on the top surface of the magnetic sleeve is fixedly mounted on the arc-shaped dispensing adhesive fixing plate 553 on the top surface of the magnetic sleeve. The X-axis electric cylinder 555 for dispensing adhesive on the top surface of the magnetic sleeve is adapted to the output end of the Z-axis electric cylinder 554. Four arc-shaped dispensing guns 556 for dispensing adhesive on the top surface of the magnetic sleeve are adapted to the output end of the X-axis electric cylinder 555 via the X-axis movable plate 557 for dispensing adhesive on the top surface of the magnetic sleeve. The arc-shaped dispensing guns 556 are connected to the X-axis movable plate 557 for dispensing adhesive on the top surface of the magnetic sleeve via the four-box fine-tuning assembly 558 for dispensing adhesive on the top surface of the magnetic sleeve. A first dispensing heating element 5561 is provided at the dispensing point of the arc-shaped dispensing gun 556.
[0032] The material feeding transfer mechanism includes a material feeding transfer frame assembly and a material feeding transfer and picking device. The material feeding transfer frame assembly includes a material feeding transfer support frame 61, a material feeding transfer motor 62, and a material feeding transfer plate 63. The material feeding transfer support frame 61 is fixedly mounted on the main unit 1. The material feeding transfer motor 62 is fixedly mounted on the bottom of the second crossbeam fixing plate 611 of the material feeding transfer support frame 61. The material feeding transfer plate 63 is rotatably mounted on the upper end face of the second crossbeam fixing plate 611 and connected to the output end of the material feeding transfer motor 62. A plurality of inductor product placement positions 631 are adapted to be provided on the material feeding transfer plate 63. The material feeding transfer and picking device includes a material feeding transfer Y-axis rail. The system includes a guide frame 64, a Y-axis unloading motor 65, a Y-axis unloading moving block 66, and a pneumatic lifting product suction nozzle 67. The Y-axis unloading track frame 64 is fixedly mounted on the main unit 1. The Y-axis unloading motor 65 is mounted on the Y-axis unloading track frame 64. The Y-axis unloading moving block 66 is slidably mounted on the Y-axis unloading track frame 64 and connected to the output end of the Y-axis unloading motor 65. Several pneumatic lifting product suction nozzles 67 are fixedly mounted at the bottom of the Y-axis unloading moving block 66 and are movably positioned above the inductor product placement position 631 and the product assembly fixture 37.
[0033] The first material handling mechanism includes a first material handling Y-axis track frame 71, a first material handling Y-axis motor 72, a first material handling Y-axis moving block 73, and a first material handling pneumatic lifting product suction nozzle 74. The first material handling Y-axis track frame 71 is fixedly mounted on the main unit 1 and placed on one side of the unloading transfer Y-axis track frame 64. The first material handling Y-axis motor 72 is mounted on the first material handling Y-axis track frame 71. The first material handling Y-axis moving block 73 is adapted to slide on the first material handling Y-axis track frame 71 and connected to the output end of the first material handling Y-axis motor 72. A plurality of first material handling pneumatic lifting product suction nozzles 74 are adapted to be mounted on the first material handling Y-axis moving block 73 and adapted to be positioned above the inductor product placement position 631, the defective product placement tray 23, and the feeding end of the baking oven 24. The second material handling mechanism includes a second material handling X-axis track frame 81 and a second material handling X-axis motor 82. The system includes a second Y-axis material-retrieving track frame 83, a second Y-axis material-retrieving motor 84, a second Y-axis material-retrieving moving block 85, and a second pneumatic lifting product suction nozzle 86. The second X-axis material-retrieving track frame 81 is mounted on the main unit 1. The second X-axis material-retrieving motor 82 is mounted on the second X-axis material-retrieving track frame 81. The second Y-axis material-retrieving track frame 83 is movably mounted on the second X-axis material-retrieving track frame 81 and connected to the output end of the second X-axis material-retrieving motor 82. The second Y-axis material-retrieving motor 84 is mounted on the second Y-axis material-retrieving track frame 83. The second Y-axis material-retrieving moving block 85 is slidably mounted on the second Y-axis material-retrieving track frame 83 and connected to the output end of the second Y-axis material-retrieving motor 84. Several second pneumatic lifting product suction nozzles 86 are fixedly mounted on the second Y-axis material-retrieving moving block 85 and movably positioned above the discharge end of the baking oven 24.
[0034] The discharge fixture conveying mechanism includes a discharge fixture conveying track frame 91, which is mounted on the main unit 1. A discharge fixture conveying belt 92, a discharge fixture conveying motor 93, and a discharge detection component 94 are adapted to be mounted on the discharge fixture conveying track frame 91. The discharge fixture conveying belt 92 is connected to the output end of the discharge fixture conveying motor 93. The discharge detection component 94 is positioned above the discharge fixture conveying belt 92. The second pneumatic lifting product suction nozzle 86 is adapted to be movably mounted above the discharge fixture conveying belt 92.
[0035] Work process:
[0036] The product assembly fixture 37 is first placed in the downstream conveyor track 31. The loading robot loads the inductor components from the external hopper into the product assembly fixture 37. Then, the inductor components are conveyed on the product assembly fixture 37 via the conveyor belt to the area below the two basic glue guns 45. The two basic glue guns 45 first perform basic glue dispensing on the inductor components. After the basic glue dispensing is completed, the inductor components are sent to the first glue dispensing inspection machine 21 for basic glue dispensing quality inspection. After the basic glue dispensing quality inspection is completed, the inductor components are sent to the area below the magnetic sleeve assembly pneumatic gripper 547. At the same time, the magnetic sleeve discharge pipe 512 horizontally pushes the magnetic sleeve assembly to the magnetic sleeve assembly. Inside the discharge port 513, the pneumatic gripper 527 grips the magnetic kit horizontally, then rotates to a vertical position under the drive of the magnetic kit rotating frame 524 and is placed above the magnetic kit transfer plate 533. After placing the magnetic kit on the magnetic kit placement position 5331, the pneumatic gripper 527 resets. The magnetic kit transfer plate 533 rotates 90 degrees under the drive of the magnetic kit transfer motor 532 and is placed below the magnetic kit assembly pneumatic gripper 547. The magnetic kit assembly pneumatic gripper 547 picks up the magnetic kit and moves it above the inductor in the product assembly fixture 37. The magnetic kit assembly pneumatic gripper 547 descends and... The magnetic sleeve is fitted onto the inductor element; after the initial magnetic sleeve installation, the inductor element is fed to the underside of the top arc-shaped glue gun 556 of the magnetic sleeve and the top arc-shaped glue is applied. After the top arc-shaped glue is applied, the inductor element is fed to the underside of the four-point glue gun 566, which applies four-point glue to the inductor element. After the four-point glue is applied, the inductor element is fed to the underside of the second glue inspection machine 22 for assembly glue quality inspection. After the assembly glue quality inspection is completed, the inductor element is fed to the underside of the unloading transfer pneumatic lifting product suction nozzle 67 and is lifted by the unloading transfer pneumatic lifting product suction nozzle 67 to the inductor product placement position 631. Then, driven by the feeding transfer motor 62, the material is rotated by the feeding transfer plate 63 and sent to the area below the first pneumatic lifting product suction nozzle 74. After the first pneumatic lifting product suction nozzle 74 picks up the inductor, it sends the defective product to the defective product placement tray 23 and the qualified product to the feeding end of the baking oven 24. The assembled and glued product parts enter the baking oven 24 from the feeding end of the baking oven 24 to complete the glue drying process. Then, the product parts are discharged from the discharge end of the baking oven 24. After discharge, the second pneumatic lifting product suction nozzle 86 sends the finished product to the discharge fixture on the discharge fixture conveyor belt 92 for final discharge.
[0037] This invention is applicable to the manufacturing of automotive electronic patch inductors.
Claims
1. An automatic magnetic sleeve assembly platform for automotive electronic patch inductors, characterized in that: The application relates to a magnetic sleeve assembly jig reflow mechanism, which is characterized in that a host table (1) is provided with the magnetic sleeve assembly jig reflow mechanism; the host table (1) is further provided with, in sequence, a feeding mechanical arm, a basic glue dispensing mechanism, a first glue dispensing detection machine (21), a magnetic sleeve tube feeding assembly mechanism, a magnetic sleeve top surface arc glue dispensing mechanism, a magnetic sleeve top four-point glue dispensing mechanism, a second glue dispensing detection machine (22), a discharging transfer mechanism, a first material taking mechanism, a defective product placing disc (23), a baking furnace (24), a second material taking mechanism and a discharging jig conveying mechanism; the feeding mechanical arm, the basic glue dispensing mechanism, the first glue dispensing detection machine (21), the magnetic sleeve tube feeding assembly mechanism, the magnetic sleeve top four-point glue dispensing mechanism, the magnetic sleeve top surface arc glue dispensing mechanism, the second glue dispensing detection machine (22) and the discharging transfer mechanism are arranged above the magnetic sleeve assembly jig reflow mechanism; the magnetic sleeve assembly jig reflow mechanism comprises a forward conveying track (31) and a reflow conveying track (32) arranged on the host table (1); the forward conveying track (31) and the reflow conveying track (32) are arranged horizontally and side by side; conveying belts driven by driving motors are arranged on the forward conveying track (31) and the reflow conveying track (32); the conveying direction of the conveying belt of the forward conveying track (31) is opposite to that of the conveying belt of the reflow conveying track (32); the first end of the forward conveying track (31) corresponds to the last end of the reflow conveying track (32) and is connected through a first transition plate; the last end of the forward conveying track (31) corresponds to the first end of the reflow conveying track (32) and is connected through a second transition plate (34); a first pneumatic jig stirring plate (35) is arranged on the first transition plate; a second pneumatic jig stirring plate (36) is arranged on the second transition plate (34); a plurality of product assembly jigs (37) are arranged on the conveying belts; the feeding mechanical arm is arranged above the conveying belts; the magnetic sleeve tube feeding assembly mechanism comprises a magnetic sleeve horizontal tube discharging device, a magnetic sleeve material taking device, a magnetic sleeve material transferring device and a magnetic sleeve assembly device; the magnetic sleeve horizontal tube discharging device comprises a magnetic sleeve discharging outer cover (511) arranged on the host table (1); a plurality of magnetic sleeve discharging tubes (512) are horizontally arranged in the magnetic sleeve discharging outer cover (511); a plurality of magnetic sleeve discharging ports (513) corresponding to the discharging ends of the magnetic sleeve discharging tubes (512) are arranged on the discharging end plate of the magnetic sleeve discharging outer cover (511).The magnetic sleeve taking device comprises a magnetic sleeve taking support frame (521), a taking rotating motor (522), a transmission direction-changing gear set (523), a magnetic sleeve taking rotating frame (524), a taking straight-line cylinder (525), a taking straight-line moving plate (526), and a taking pneumatic material clamping claw (527). The magnetic sleeve taking support frame (521) is fixedly arranged on the main machine table (1). The transmission direction-changing gear set (523) is fixedly arranged on the magnetic sleeve taking support frame (521). The output end of the taking rotating motor (522) is connected with the input end of the transmission direction-changing gear set (523). One end of the magnetic sleeve taking rotating frame (524) is connected with the output end of the transmission direction-changing gear set (523) and is rotationally arranged on the magnetic sleeve taking support frame (521). A plurality of taking straight-line cylinders (525) are fixedly arranged on the magnetic sleeve taking rotating frame (524). The taking straight-line moving plate (526) is fixedly connected and arranged on the output end of the taking straight-line cylinder (525). The taking pneumatic material clamping claw (527) is slidably arranged on the taking straight-line moving plate (526). The damping spring (528) is arranged between the taking pneumatic material clamping claw (527) and the taking straight-line moving plate (526). The taking pneumatic material clamping claw (527) movably corresponds to the magnetic sleeve discharge port (513). The magnetic sleeve rotating device comprises a magnetic sleeve rotating support frame (531), a magnetic sleeve rotating motor (532), and a magnetic sleeve rotating plate (533). The magnetic sleeve rotating support frame (531) is fixedly arranged on the main machine table (1). The magnetic sleeve rotating motor (532) is fixedly arranged at the bottom of the first cross beam fixed plate (5311) of the magnetic sleeve rotating support frame (531). The magnetic sleeve rotating plate (533) is rotationally arranged on the upper end face of the first cross beam fixed plate (5311) and is connected with the output end of the magnetic sleeve rotating motor (532). A plurality of magnetic sleeve placing positions (5331) are arranged on the magnetic sleeve rotating plate (533). The taking pneumatic material clamping claw (527) is movably arranged above the magnetic sleeve placing position (5331).The magnetic sleeve assembly device comprises a magnetic sleeve assembly support (541), a magnetic sleeve assembly Y-direction track beam (542), a magnetic sleeve assembly moving motor (543), a magnetic sleeve assembly Y-direction moving plate (544), a magnetic sleeve assembly Z-direction electric cylinder (545), a magnetic sleeve assembly connecting plate (546) and a magnetic sleeve assembly pneumatic clamping jaw (547). The magnetic sleeve assembly support (541) is adaptively arranged on the main machine table (1). The magnetic sleeve assembly Y-direction track beam (542) is adaptively horizontally arranged on the magnetic sleeve assembly support (541). The magnetic sleeve assembly moving motor (543) is fixedly arranged on the magnetic sleeve assembly Y-direction track beam (542). The magnetic sleeve assembly Y-direction moving plate (544) is adaptively slidably arranged on the magnetic sleeve assembly Y-direction track beam (542) and connected with the output end of the magnetic sleeve assembly moving motor (543). The magnetic sleeve assembly Z-direction electric cylinder (545) is adaptively fixedly arranged on the magnetic sleeve assembly Y-direction moving plate (544). The magnetic sleeve assembly connecting plate (546) is adaptively fixedly connected with the output end of the magnetic sleeve assembly Z-direction electric cylinder (545). A plurality of magnetic sleeve assembly pneumatic clamping jaws (547) are adaptively fixedly arranged at the bottom of the magnetic sleeve assembly connecting plate (546). The magnetic sleeve assembly pneumatic clamping jaws (547) are respectively adaptively movably arranged above the magnetic sleeve placing position (5331) and the product assembly jig (37).
2. The automatic magnetic sleeve assembly platform for automobile electronic patch inductors according to claim 1, characterized in that: The basic dispensing mechanism comprises a basic dispensing rack (41), a basic Y-direction electric cylinder (42), a basic X-direction electric cylinder (43), a basic Z-direction electric cylinder (44), and a basic glue injection gun (45), the basic dispensing rack (41) is fixedly arranged on the main machine table (1), the basic Y-direction electric cylinder (42) is fixedly arranged on the basic dispensing rack (41), the basic X-direction electric cylinder (43) is slidably arranged on the basic Y-direction electric cylinder (42) through a basic Y-direction sliding plate, the basic Z-direction electric cylinder (44) is slidably arranged on the basic X-direction electric cylinder (43) through a basic X-direction sliding plate, a Z-direction sliding plate (46) is slidably arranged on the basic Z-direction electric cylinder (44), two basic glue injection guns (45) are respectively connected and arranged on the Z-direction sliding plate (46) through a basic three-direction fine adjustment assembly (47), the two basic glue injection guns (45) are movably arranged above the product assembly jig (37), and the two basic glue injection guns (45) form a basic dispensing injection included angle with each other.
3. The automatic magnetic sleeve assembly platform for an automotive electronic patch inductor of claim 2, wherein: The four-point dispensing mechanism at the top of the magnetic sleeve comprises a four-point dispensing support frame (561), a four-point dispensing Y-direction electric cylinder (562), a four-point dispensing fixed plate (563), a four-point dispensing Z-direction electric cylinder (564), a four-point dispensing X-direction electric cylinder (565), and a four-point dispensing gun (566), the four-point dispensing support frame (561) is fixedly arranged on the main machine table (1), the four-point dispensing Y-direction electric cylinder (562) is fixedly arranged on the back of the four-point dispensing support frame (561), the four-point dispensing fixed plate (563) is movably arranged on the output end of the four-point dispensing Y-direction electric cylinder (562) and placed on the front end face of the four-point dispensing support frame (561), the four-point dispensing Z-direction electric cylinder (564) is fixedly arranged on the four-point dispensing fixed plate (563), the four-point dispensing X-direction electric cylinder (565) is movably arranged on the output end of the four-point dispensing Z-direction electric cylinder (564), two four-point dispensing guns (566) are movably arranged on the output end of the four-point dispensing X-direction electric cylinder (565) through a four-point dispensing X-direction movable plate (567), the four-point dispensing gun (566) is movably arranged on the four-point dispensing X-direction movable plate (567) through a four-point dispensing four-direction fine adjustment assembly (568), a second dispensing heating element (5661) is arranged at the glue outlet of the four-point dispensing gun (566), and a four-mouth dispensing head (5662) is arranged at the tail end of the four-point dispensing gun (566).
4. The automatic magnetic sleeve assembling platform for automobile electronic patch inductors according to claim 3, characterized in that: The magnetic sleeve top surface arc point gluing mechanism comprises a magnetic sleeve top surface arc point gluing support frame (551), a magnetic sleeve top surface arc point gluing Y-direction electric cylinder (552), a magnetic sleeve top surface arc point gluing fixed plate (553), a magnetic sleeve top surface arc point gluing Z-direction electric cylinder (554), a magnetic sleeve top surface arc point gluing X-direction electric cylinder (555) and a magnetic sleeve top surface arc point gluing gun (556), the magnetic sleeve top surface arc point gluing support frame (551) is fixedly arranged on the main machine table (1), the magnetic sleeve top surface arc point gluing Y-direction electric cylinder (552) is adaptively fixedly arranged on the back of the magnetic sleeve top surface arc point gluing support frame (551), the magnetic sleeve top surface arc point gluing fixed plate (553) is adaptively connected and arranged on the output end of the magnetic sleeve top surface arc point gluing Y-direction electric cylinder (552) and placed on the front end face of the magnetic sleeve top surface arc point gluing support frame (551), the magnetic sleeve top surface arc point gluing Z-direction electric cylinder (554) is fixedly arranged on the magnetic sleeve top surface arc point gluing fixed plate (553), the magnetic sleeve top surface arc point gluing X-direction electric cylinder (555) is adaptively arranged on the output end of the magnetic sleeve top surface arc point gluing Z-direction electric cylinder (554), four magnetic sleeve top surface arc point gluing guns (556) are adaptively movably arranged on the output end of the magnetic sleeve top surface arc point gluing X-direction electric cylinder (555) through a magnetic sleeve top surface arc point gluing X-direction movable plate (557), the magnetic sleeve top surface arc point gluing gun (556) is connected and arranged on the magnetic sleeve top surface arc point gluing X-direction movable plate (557) through a magnetic sleeve top surface arc point gluing four-box fine adjustment assembly (558), and a first point gluing heating piece (5561) is arranged at the glue outlet of the magnetic sleeve top surface arc point gluing gun (556).
5. The automatic magnetic sleeve assembling platform for automobile electronic patch inductors according to claim 4, characterized in that: The unloading transfer mechanism comprises an unloading transfer frame assembly and an unloading transfer material taking device. The unloading transfer frame assembly comprises an unloading transfer support frame (61), an unloading transfer motor (62) and an unloading transfer plate (63). The unloading transfer support frame (61) is fixedly arranged on the main machine table (1). The unloading transfer motor (62) is fixedly arranged at the bottom of the second cross beam fixed plate (611) of the unloading transfer support frame (61). The unloading transfer plate (63) is rotatably arranged on the upper end surface of the second cross beam fixed plate (611) and connected with the output end of the unloading transfer motor (62). A plurality of inductive product placing positions (631) are arranged on the unloading transfer plate (63). The unloading transfer material taking device comprises an unloading transfer Y-direction track frame (64), an unloading transfer Y-direction motor (65), an unloading transfer Y-direction moving block (66) and an unloading transfer pneumatic lifting product suction nozzle (67). The unloading transfer Y-direction track frame (64) is fixedly arranged on the main machine table (1). The unloading transfer Y-direction motor (65) is arranged on the unloading transfer Y-direction track frame (64). The unloading transfer Y-direction moving block (66) is slidably arranged on the unloading transfer Y-direction track frame (64) and connected with the output end of the unloading transfer Y-direction motor (65). A plurality of unloading transfer pneumatic lifting product suction nozzles (67) are fixedly arranged at the bottom of the unloading transfer Y-direction moving block (66) and movably arranged above the inductive product placing positions (631) and the product assembly jig (37).
6. The automatic magnetic sleeve assembly platform for an automotive electronic patch inductor of claim 5, wherein: The first taking mechanism comprises a first taking Y-direction track frame (71), a first taking Y-direction motor (72), a first taking Y-direction moving block (73), and a first taking pneumatic lifting product suction nozzle (74). The first taking Y-direction track frame (71) is fixedly arranged on the main machine table (1) and located on one side of the Y-direction track frame (64) of the feeding transfer. The first taking Y-direction motor (72) is arranged on the first taking Y-direction track frame (71). The first taking Y-direction moving block (73) is slidably arranged on the first taking Y-direction track frame (71) and connected with the output end of the first taking Y-direction motor (72). A plurality of first taking pneumatic lifting product suction nozzles (74) are arranged on the first taking Y-direction moving block (73) and located above the inductive product placement position (631), the defective product placement disc (23), and the feeding end of the baking furnace (24).
7. The automatic magnetic sleeve assembly platform for an automotive electronic patch inductor of claim 6, wherein: The second taking mechanism comprises a second taking X-direction track frame (81), a second taking X-direction motor (82), a second taking Y-direction track frame (83), a second taking Y-direction motor (84), a second taking Y-direction moving block (85), and a second taking pneumatic lifting product suction nozzle (86). The second taking X-direction track frame (81) is arranged on the main machine table (1). The second taking X-direction motor (82) is arranged on the second taking X-direction track frame (81). The second taking Y-direction track frame (83) is movably arranged on the second taking X-direction track frame (81) and connected with the output end of the second taking X-direction motor (82). The second taking Y-direction motor (84) is arranged on the second taking Y-direction track frame (83). The second taking Y-direction moving block (85) is slidably arranged on the second taking Y-direction track frame (83) and connected with the output end of the second taking Y-direction motor (84). A plurality of second taking pneumatic lifting product suction nozzles (86) are fixedly arranged on the second taking Y-direction moving block (85) and movably located above the discharging end of the baking furnace (24). The discharging jig conveying mechanism comprises a discharging jig conveying track frame (91). The discharging jig conveying track frame (91) is arranged on the main machine table (1). A discharging jig conveying belt (92), a discharging jig conveying motor (93), and a discharging detection assembly (94) are arranged on the discharging jig conveying track frame (91). The discharging jig conveying belt (92) is connected with the output end of the discharging jig conveying motor (93). The discharging detection assembly (94) is located above the discharging jig conveying belt (92). The second taking pneumatic lifting product suction nozzle (86) is movably arranged above the discharging jig conveying belt (92).
Citation Information
Patent Citations
Device for producing surface mount type inductor
CN108335899A
Inductor dispensing, assembling and baking machine
CN216396899U