一种方胶体超高压二极管测试印字一体机

By designing an integrated testing and printing machine for square colloidal ultra-high voltage diodes, the problems of unstable diode delivery and tape quality were solved. The machine achieves automated detection, testing, and tape production, improving production efficiency and quality while reducing labor costs.

CN224521540UActive Publication Date: 2026-07-17TAICANG CHENQI ELECTRONIC PRECISE MASCH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAICANG CHENQI ELECTRONIC PRECISE MASCH CO LTD
Filing Date
2025-06-24
Publication Date
2026-07-17

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Abstract

本实用新型公开了一种方胶体超高压二极管测试印字一体机,包括:进料机构;传送机构;转运机构;相性测试机构,其用于对二极管的相性进行测试,并对二极管进行排向,使得各二极管的正负极电极引线朝向统一;产品检测机构、电性测试机构、塑封体四面检测机构;印字机构;印字检测机构;印字固化机构;高压测试机构,其用于对二极管在高压状态下的电性功能进行测试;引直机构,其用于对电极引线进行搓直、引直;编带测试及收料机构,其用于对电极引线进行上下胶带编带并对二极管的电性进行测试以及成品收卷下料。本实用新型可以解决现有二极管测试印字一体机难以实现对二极管的稳定输送、连续测试分拣以及高质量双面胶带粘接编带和收卷的问题。
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Claims

1. A square gel super high voltage diode test and printing all-in-one machine, characterized in that, include: A feeding mechanism is used to feed diodes to a conveying mechanism, and a transfer mechanism is provided between adjacent conveying mechanisms; A phase testing mechanism is used to test the phase of diodes and orient the diodes so that the positive and negative electrode leads of each diode are oriented in the same direction. Product testing organization, electrical testing organization, and encapsulation four-sided testing organization are respectively used for visual inspection of the two end faces and electrode leads of diode encapsulation, electrical testing, and visual inspection of the sides of encapsulation. A printing mechanism used to transfer characters and patterns onto the surface of a diode; A printing inspection agency, which performs visual inspection on the printing on the surface of diodes; The printing curing mechanism is used to perform high-temperature curing and cooling shaping of the printed characters on the diode surface; A high-voltage testing facility is used to test the electrical function of diodes under high-voltage conditions. A straightening mechanism, used to straighten and pull electrode leads; The tape and reel testing and take-up mechanism is used for tape bonding of electrode leads, electrical testing of diodes, and finished product winding and unloading.

2. The square colloidal ultra-high voltage diode testing and printing integrated machine according to claim 1, characterized in that, The feeding mechanism includes a vibratory feeder, a discharge guide rail, and a straightening mechanism. The discharge port of the vibratory feeder is connected to the upper inlet of the discharge guide rail. The discharge guide rail is inclined, forming an inner material guide gap in the middle corresponding to the encapsulated body. The two sides of the inner material guide gap extend into outer material guide gaps corresponding to the electrode leads. The straightening mechanism includes a straightening cylinder and pneumatic grippers. The straightening cylinder drives the pneumatic grippers to move laterally along the discharge guide rail. Several first dispensing cylinders and second dispensing cylinders are also arranged on the discharge guide rail. The first dispensing cylinder drives a first stop block to move. The first stop block is inserted into the inner material guide gap through an opening at the top or bottom of the discharge guide rail and blocks the encapsulated body. The output shaft of the second dispensing cylinder is connected to a second stop block. The second stop block has a U-shaped structure, which is sleeved on both sides of the discharge guide rail and blocks the electrode leads.

3. The square gel super high voltage diode test and printing all-in-one machine according to claim 1, characterized in that, The support platform of the conveying mechanism has conveying chains running on both sides. Clamping plates are set on the links of the conveying chains, and the clamping plates extend outward from the conveying chains. The support platform abuts against the encapsulated body. The adjacent clamping plates clamp and limit the electrode leads. The support platform is provided with openings corresponding to each processing mechanism. The lifting cylinder drives the lifting plate to rise and fall, thereby driving the diode to rise and fall.

4. The square gel super high voltage diode test and printing all-in-one machine according to claim 1, characterized in that, The conveying mechanism is equipped with a preheating device at the front end of the printing mechanism. The conveying mechanism passes through the inner cavity of the preheating device, and the heating module inside the preheating device heats the diode.

5. The square gel super high voltage diode test and printing all-in-one machine according to claim 1, characterized in that, The printing and curing mechanism includes a UV baking device and an air cooling device arranged sequentially along the diode's conveying direction.

6. The square gel super high voltage diode test and printing all-in-one machine according to claim 1, characterized in that, The high-voltage testing mechanism includes a first conveyor wheel with several first toothed grooves corresponding to the electrode leads spaced at intervals along its edge. The first conveyor wheel is rotatably connected to a first base, and one side of it is connected to a wedge-shaped guide block. The side of the first conveyor wheel and the wedge-shaped guide block are located inside a conveying mechanism. A first positioning frame is arranged on the side of the first conveyor wheel, and two first test electrodes are elastically rotatably connected to it with a torsion spring. The other side of the first conveyor wheel is connected to another conveying mechanism, and a material distribution component is mounted above it via a motor. Extending from one side toward the material feeding direction of the first conveyor wheel are a central guide plate and an edge guide plate, respectively corresponding to the encapsulation body and the electrode lead. A defective product collection channel is arranged below the other side. A first arc pressure plate is arranged close to the side of the first conveyor wheel, located between one side of the wedge-shaped guide block and the material distribution component. A second arc pressure plate is arranged close to the side of the first conveyor wheel and the other side of the material distribution component. The wedge-shaped guide block, the first positioning frame, the motor corresponding to the material distribution component, the defective product collection channel, the first arc pressure plate, and the second arc pressure plate are positioned on the first base.

7. The square gel super high voltage diode test and printing all-in-one machine according to claim 1, characterized in that, The straightening mechanism includes an inner support base, an outer support base, a lifting guide base, a lower pressure base, and a straightening wheel. The inner support base has an inner guide groove corresponding to the plastic seal in its center. The inner and outer support bases have wedge-shaped surfaces at both ends, with their top surfaces supporting the electrode leads and forming a clearance gap between them. The top of the conveying mechanism extends from the clearance gap to above the inner and outer support bases and pushes the electrode leads to move. The lower pressure base is vertically slidably disposed inside the lifting guide base. The straightening wheel is rotated inside the lower pressure base by the rotating shaft of the docking motor. The motor corresponding to the rotating shaft is positioned on a second base.

8. The square colloidal ultra-high voltage diode testing and printing integrated machine according to claim 1, characterized in that, The tape feeding and testing and take-up mechanism includes a tape feeding mechanism and a testing and unwinding mechanism. The tape feeding mechanism includes a second tape roller, a third tape roller, a first tape guide roller, a second tape guide roller, a support platform, and a pressure roller. The second tape roller, the third tape roller, and the first tape guide roller are driven by a motor to rotate and are mounted on a third base. Their sides are sequentially connected, and their edges are respectively provided with a second tooth groove, a third tooth groove, and a fourth tooth groove. Their sides are respectively closely attached to a third arc pressure plate, a fifth arc pressure plate, and a sixth arc pressure plate. The side of the third tape roller is closely attached to a fourth arc pressure plate between the second tape roller and the fifth arc pressure plate. The third arc pressure plate, the fourth arc pressure plate, the fifth arc pressure plate, the sixth arc pressure plate, the second tape guide roller, and the support platform are all positioned on the third base.

9. The all-gel superhigh-voltage diode test and printing integrated machine according to claim 8, wherein, The outer top bracket is positioned on the third base and extends to the inner side of the material feeding end of the third belt roller. Outer top side plates are provided on both sides of the bracket. The distance from the outer side of the outer top bracket and the outer top side plate to the rotation axis of the third belt roller gradually increases along the rotation direction of the third belt roller. The arc-shaped guide plate on one side of the support platform extends to the inner side of the first tape guide roller. The arc-shaped guide plate abuts against the encapsulated body, and the support side plates on both sides abut against the electrode leads.

10. The all-gel superhigh-voltage diode test and printing integrated machine according to claim 8, wherein, The first and second unwinding reels of the test winding mechanism respectively lead out two sections of upper adhesive tape and two sections of lower adhesive tape. The upper and lower adhesive tapes are respectively embedded in the tape limiting grooves of the second and first tape guide rollers. The second tape guide roller is located above the first tape guide roller. The upper and lower adhesive tapes form an angled gap on the side of the first tape guide roller where the material is being fed. The electrode lead enters through this angled gap, adheres to the upper and lower adhesive tapes, and is conveyed together to the support platform. The pressure roller presses against the electrode lead, upper and lower adhesive tapes. The diode tape is pressed together with a swing frame. The end of the swing frame is inserted into a sleeve and elastically rotated and connected by a torsion spring. The sleeve is positioned on the third base. The diode tape formed by diode taping abuts against the fourth tape wheel. The fourth tape wheel is driven by a motor and rotatably connected to the fourth base. The second positioning frame on the fourth base extends to the side of the fourth tape wheel. Two second test electrodes are elastically rotatably connected to the second positioning frame in conjunction with a torsion spring. The winding reel is driven by a motor and rotatably connected to the fourth base, which winds up the diode tape after taping and testing.