Detection device for semiconductor discrete device production

By using multiple sets of L-shaped clamping blocks and reciprocating mechanisms in the semiconductor discrete detection device for clamping and fixing, and using electromagnetic rods to electrically connect to the conductive plate, a single detection and sorting of multiple semiconductor discrete devices is realized. , solves the problems of inconvenience in clamping and low detection efficiency in the prior art, and improves detection efficiency and accuracy.

CN222482368UActive Publication Date: 2025-02-14ANHUI WUZHOU SEMICON MATERIALS CO LTD
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Patent Information

Application Number
CN202420340713.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-23
Publication Date
2025-02-14
Estimated Expiration
2034-02-23

AI Technical Summary

Technical Problem

The existing semiconductor discrete detection devices have shortcomings in clamping and detection efficiency, which are prone to damage and can only detect one semiconductor discrete in a single test, which reduces the detection efficiency.

Method used

A detection device for the production of semiconductor discrete devices is designed, and multiple sets of L-shaped clamping blocks and reciprocating mechanisms are clamped and fixed, and electrically connected to the conductive plate through electromagnetic poles to realize a single-time operation of multiple semiconductor discrete devices. Detection and sorting.

Benefits of technology

The detection efficiency of semiconductor discrete devices is improved, and multiple semiconductor discrete devices can be detected simultaneously, reducing the risk of damage, and sorting according to the detection results.

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Abstract

The utility model discloses a detection device for semiconductor splitter production, which comprises a detection table, a mounting seat is embedded in the upper part of the detection table, a guide frame communicated with a guide through groove is arranged in the middle of the mounting seat in a penetrating manner, and a detection area and a discharge area which are divided along the conveying direction of a semiconductor splitter are arranged in the guide frame. Sliding grooves are uniformly formed in the side wall of the guide frame in the detection area, L-shaped clamping blocks used for clamping the semiconductor discrete device are arranged in the two opposite sliding grooves, a mounting plate is arranged at the upper end of the supporting plate, and conductive plates used for being connected with pins of the semiconductor discrete device are uniformly arranged on the lower surface of the mounting plate; a reciprocating mechanism for driving the L-shaped clamping block to reciprocate is arranged in the mounting seat, a telescopic rod in the reciprocating mechanism is fixedly arranged on the L-shaped clamping block, and an electromagnetic ejector rod for controlling stretching and retracting is arranged at the upper part of the telescopic rod. According to the utility model, a plurality of semiconductor dividers can be detected and sorted at a time, and the detection efficiency of the semiconductor dividers is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor detection, in particular to a detection device for producing discrete semiconductor devices. Background Art

[0002] Semiconductor discrete devices are a type of device that plays a key role in electronic circuits. They have independent structures and functions, and mainly include diodes, transistors, and field-effect transistors. They are widely used in power management, sensors, medical equipment, automotive electronics, and household appliances. After the production of semiconductor discrete devices, they need to be inspected and sorted.

[0003] The patent with announcement number CN218982400U discloses a semiconductor discrete device detection and sorting device, including a detection table, a bracket fixedly connected to the right end of the detection table, an electric push rod arranged at the lower end of the left side of the bracket, a clamping mechanism fixedly connected to the lower end of the electric push rod, a discrete device body arranged at the lower part of the clamping mechanism, a collection box fixedly connected to the left end of the detection table, a plurality of detection sockets opened at the upper end of the detection table, a plurality of detection sockets are grouped in two, a plurality of indicator lights fixedly connected to the front end of the detection table, a plurality of multimeters fixedly connected to the lower part of the front end of the detection table, a plurality of multimeters are respectively connected to the plurality of indicator lights for communication, and a group of detection sockets is electrically connected to the multimeter. However, there are still some shortcomings, such as the inconvenience of clamping the clamping mechanism due to the small size of the semiconductor discrete device, which easily causes damage to the semiconductor discrete device, and a single detection can only detect one semiconductor discrete device, which reduces the detection efficiency of the semiconductor discrete device. Utility Model Content

[0004] The purpose of the utility model is to provide a detection device for producing discrete semiconductor devices to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detection device for semiconductor discrete device production, comprising a detection table, the upper surface of the detection table is provided with a material guide slot for conveying semiconductor discrete devices, the upper part of the detection table is inlaid with a mounting seat, the middle part of the mounting seat is provided with a guide frame connected with the material guide slot, and the guide frame is provided with a detection area and a discharge area along the conveying direction of the semiconductor discrete device, the side wall of the guide frame at the detection area is evenly provided with slide grooves, and L for clamping the semiconductor discrete device is provided in the two opposite slide grooves L-shaped clamping block, a support plate is arranged on the upper part of the detection platform, and a mounting plate is arranged on the upper end of the support plate, and conductive plates for connecting the pins of semiconductor discrete devices are evenly arranged on the lower surface of the mounting plate, a reciprocating mechanism for driving the reciprocating motion of the L-shaped clamping block is arranged in the mounting seat, and the telescopic rod in the reciprocating mechanism is fixedly arranged on the L-shaped clamping block, an electromagnetic push rod for controlling the telescopic movement is arranged on the upper part of the telescopic rod, and the electromagnetic push rod is electrically connected to the corresponding conductive plate, and a pushing component for pushing a certain amount of semiconductor discrete devices into the detection area is arranged at one end of the detection platform.

[0006] Preferably, the reciprocating mechanism includes a rotating shaft, a driving disk, a telescopic rod, a pin, a servo motor, a driving pulley, a driven pulley and a transmission belt. The mounting seat is symmetrically provided with rotating shafts, driving disks are evenly provided on the outer sides of the two rotating shafts, and an elliptical groove is provided on one side of the driving disk. The extending end of the telescopic rod is provided with a pin with one end inserted in the groove. A servo motor is provided on one side of the detection platform, and a driving pulley is provided at the output end of the servo motor. One end of the two rotating shafts passes through the outer side of the detection platform and is sleeved with a driven pulley, and a transmission belt is provided between the driving pulley and the driven pulley.

[0007] Preferably, an extension plate for connecting to the mounting plate is provided at the upper end of the support plate, and a locking bolt for fixing the extension plate is provided on one side of the support plate.

[0008] Preferably, the lower surface of the mounting plate is evenly provided with receiving grooves, and ejection springs for pushing the conductive plate are arranged in the receiving grooves.

[0009] Preferably, a material guide plate communicating with the material discharging area is provided at the lower portion of the detection platform.

[0010] Compared with the prior art, the utility model provides a detection device for semiconductor discrete device production, which has the following beneficial effects: the utility model can clamp and fix multiple semiconductor discrete devices at a time by setting up multiple groups of L-shaped clamping blocks and reciprocating mechanisms, and can electrically connect the electromagnetic push rod that controls the extension and retraction of the telescopic rod with the conductive plate used for detection, so that multiple semiconductor discrete devices can be detected at a time and the semiconductor discrete devices can be sorted according to the detection results, thereby improving the detection efficiency of semiconductor discrete devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the utility model;

[0012] Figure 2 This is a front cross-sectional view of the utility model;

[0013] Figure 3 for Figure 1 Schematic diagram of the cross-section structure at point A in the middle;

[0014] Figure 4 for Figure 3 The enlarged structural diagram of part B is shown in the figure.

[0015] In the figure: 1. detection table; 2. mounting seat; 3. guide frame; 300. detection area; 301. discharge area; 4. L-shaped clamping block; 5. support plate; 6. mounting plate; 7. conductive plate; 8. reciprocating mechanism; 80. rotating shaft; 81. driving disk; 82. telescopic rod; 83. pin shaft; 84. servo motor; 85. driving pulley; 86. driven pulley; 87. transmission belt; 9. electromagnetic ejector; 10. ejector assembly; 11. extension plate; 12. locking bolt; 13. ejector spring; 14. guide plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4 The utility model provides an embodiment of a detection device for semiconductor discrete device production: a detection device for semiconductor discrete device production, including a detection table 1, the upper surface of the detection table 1 is provided with a material guide groove for conveying semiconductor discrete devices, the upper part of the detection table 1 is inlaid with a mounting seat 2, the middle part of the mounting seat 2 is penetrated by a guide frame 3 connected with the material guide groove, and the guide frame 3 is provided with a detection area 300 and a discharge area 301 along the conveying direction of the semiconductor discrete device, and one end of the detection table 1 is provided with a pushing component 10 for pushing a certain amount of semiconductor discrete devices into the detection area 300, so that a single detection can detect multiple semiconductor discrete devices.

[0018] The side wall of the guide frame 3 at the detection area 300 is evenly provided with a slide groove, and L-shaped clamping blocks 4 for clamping the semiconductor discrete are arranged in the two opposite slide grooves. A support plate 5 is arranged on the upper part of the detection table 1, and a mounting plate 6 is arranged on the upper end of the support plate 5. The lower surface of the mounting plate 6 is evenly provided with a conductive plate 7 for connecting the pins of the semiconductor discrete. The telescopic rod 82 is fixedly arranged on the L-shaped clamping block 4, and a rotating shaft 80 is symmetrically arranged in the mounting seat 2. A driving disk 81 is evenly arranged on the outer side of the two rotating shafts 80, and an elliptical groove is arranged on one side of the driving disk 81. The extending end of the telescopic rod 82 is provided with a A pin shaft 83 with one end inserted in the groove is provided, a servo motor 84 is provided on one side of the detection platform 1, and a driving pulley 85 is provided at the output end of the servo motor 84, one end of the two rotating shafts 80 passes through the outer side of the detection platform 1 and is sleeved with a driven pulley 86, a transmission belt 87 is provided between the driving pulley 85 and the driven pulley 86, the driving pulley 85 is driven to rotate by the servo motor 84, and the two driven pulleys 86 are driven to rotate synchronously through the transmission of the transmission belt 87, and the driving disk 81 is driven to rotate through the rotating shaft 80, so that the groove of the driving disk 81 drives the pin shaft 83 to move laterally.

[0019] An electromagnetic push rod 9 for controlling the extension and retraction is arranged on the upper part of the telescopic rod 82, and the electromagnetic push rod 9 is electrically connected to the corresponding conductive plate 7. The electromagnetic push rod 9 can control the extension and retraction of the telescopic rod 82 according to the detection result of the conductive plate 7, thereby controlling whether the driving disk 81 can drive the L-shaped clamping block 4 to move through the telescopic rod 82.

[0020] In this implementation, if Figure 3 As shown, an extension plate 11 for connecting the mounting plate 6 is provided at the upper end of the support plate 5, and a locking bolt 12 for fixing the extension plate 11 is provided on one side of the support plate 5, so that the height of the mounting plate 6 can be adjusted according to the length of the pin of the semiconductor discrete device, thereby improving the practicability of the detection device.

[0021] In this implementation, if Figure 3 As shown, the lower surface of the mounting plate 6 is evenly provided with receiving grooves, and an ejection spring 13 for pushing the conductive plate 7 is arranged in the receiving groove. The elastic force of the ejection spring 13 pushes the conductive plate 7 to fit tightly with the pins of the semiconductor discrete device, making the detection of the semiconductor discrete device more accurate.

[0022] In this implementation, if Figure 2 As shown, a guide plate 14 connected to the discharge area 301 is disposed at the lower part of the test platform 1, so that semiconductor discrete devices that pass the test are guided out, thereby preventing the semiconductor discrete devices from falling directly and being damaged.

[0023] Working principle: Before testing, the height of the extension plate 11 is adjusted according to the length of the pins of the semiconductor discrete device, and then the locking bolts 12 are tightened to position and fix the extension plate 11.

[0024] During the inspection, a plurality of discrete semiconductor devices are placed into the material guide slot, and the pusher assembly 10 is used to push the plurality of discrete semiconductor devices from the material guide slot into the inspection area 300, so that the pins of the discrete semiconductor devices are in contact with the conductive plate 7 so that the discrete semiconductor devices are inspected. When the discrete semiconductor devices are unqualified, the electromagnetic ejector 9 at the corresponding position is energized to work, so that the length of the telescopic rod 82 is fixed, and the servo motor 84 is used to drive the rotation of the driving pulley 85, and the two driven pulleys are driven by the transmission belt 87. 86 rotates synchronously, and the driving disk 81 is driven to rotate via the rotating shaft 80, so that the groove of the driving disk 81 drives the pin shaft 83 to move horizontally, thereby moving the L-shaped clamping block 4 that clamps the unqualified semiconductor discrete devices, so that the unqualified semiconductor discrete devices fall out of the detection area 300 and are sorted out. When the L-shaped clamping block 4 is reset again, the pushing assembly 10 is used to push multiple semiconductor discrete devices from the material guide slot into the detection area 300 again, and the qualified semiconductor discrete devices are discharged from the discharge area 301.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A detection device for producing discrete semiconductor devices, comprising a detection table (1), characterized in that: The upper surface of the detection platform (1) is provided with a material guide slot for conveying semiconductor discrete devices. A mounting seat (2) is embedded in the upper part of the detection platform (1). A guide frame (3) connected to the material guide slot is provided through the middle of the mounting seat (2). The guide frame (3) is provided with a detection area (300) and a discharge area (301) along the conveying direction of the semiconductor discrete devices. The side walls of the guide frame (3) at the detection area (300) are evenly provided with slide slots, and L-shaped clamping blocks (4) for clamping semiconductor discrete devices are provided in two opposite slide slots. A support plate (5) is provided on the upper part of the detection platform (1), and the support plate (5) is A mounting plate (6) is arranged at the upper end, and a conductive plate (7) for connecting the pins of a semiconductor discrete device is evenly arranged on the lower surface of the mounting plate (6). A reciprocating mechanism (8) for driving the L-shaped clamping block (4) to reciprocate is arranged in the mounting seat (2), and a telescopic rod (82) in the reciprocating mechanism (8) is fixedly arranged on the L-shaped clamping block (4). An electromagnetic push rod (9) for controlling the telescopic movement is arranged on the upper part of the telescopic rod (82), and the electromagnetic push rod (9) is electrically connected to the corresponding conductive plate (7). A pushing component (10) for pushing a certain amount of semiconductor discrete devices into the testing area (300) is arranged at one end of the testing platform (1).

2. The detection device for producing discrete semiconductor devices according to claim 1, characterized in that: The reciprocating mechanism (8) comprises a rotating shaft (80), a driving disk (81), a telescopic rod (82), a pin (83), a servo motor (84), a driving pulley (85), a driven pulley (86) and a transmission belt (87). The mounting seat (2) is symmetrically provided with a rotating shaft (80), the outer sides of the two rotating shafts (80) are evenly provided with driving disks (81), and one side of the driving disk (81) is provided with an elliptical groove, the extending end of the telescopic rod (82) is provided with a pin (83) with one end inserted into the groove, the servo motor (84) is provided on one side of the detection platform (1), and the output end of the servo motor (84) is provided with a driving pulley (85), one end of the two rotating shafts (80) passes through the outer side of the detection platform (1) and is sleeved with a driven pulley (86), and a transmission belt (87) is provided between the driving pulley (85) and the driven pulley (86).

3. The detection device for producing discrete semiconductor devices according to claim 2, characterized in that: An extension plate (11) for connecting to the mounting plate (6) is arranged at the upper end of the support plate (5), and a locking bolt (12) for fixing the extension plate (11) is arranged on one side of the support plate (5).

4. The detection device for producing discrete semiconductor devices according to claim 3, characterized in that: The lower surface of the mounting plate (6) is evenly provided with receiving grooves, and an ejection spring (13) for pushing the conductive plate (7) is arranged in the receiving groove.

5. The detection device for producing discrete semiconductor devices according to claim 4, characterized in that: A material guide plate (14) communicating with the material discharging area (301) is provided at the lower part of the detection platform (1).

Citation Information

Patent Citations

  • Discrete semiconductor device detecting and sorting device

    CN218982400U