Carrier band chip visual inspection jig

Abstract

The utility model discloses a carrier tape chip visual inspection jig which comprises a jig bottom plate, transmission wheels are rotationally arranged on the upper side of the jig bottom plate through a vertical frame and a transmission shaft, a detection carrier tape is wound on the outer sides of the two transmission wheels, one end of the transmission shaft is in transmission connection with a motor through a gear set, and a vertical plate is further arranged in the middle of the upper side of the jig bottom plate. A vertical plate is further arranged in the middle of the upper side of the jig bottom plate, an upper visual inspection block and a lower visual inspection block are arranged in the middle of the interior of the vertical plate in an opposite sliding mode through a screw rod and a limiting sliding block, and inspection cylinders are arranged in the middle of the interior of the upper visual inspection block and the middle of the interior of the lower visual inspection block. The upper visual inspection block and the lower visual inspection block can be used for carrying out visual inspection treatment on the upper surface and the lower surface of the chip conveyed on the detection carrier belt, and the visual inspection efficiency of the chip is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of chip visual inspection technology, specifically a chip carrier visual inspection fixture. Background Technology

[0002] During the production process, IC chips need to undergo surface defect inspection. The packaging container for IC chips can be in the form of a carrier tape, which is also the mainstream method at present. Before the chip enters the next station, the surface of the chip needs to be visually inspected. Traditionally, the visual inspection of the chip is carried out manually. Therefore, an auxiliary inspection fixture is needed to improve the efficiency of the inspection.

[0003] A prior art chip visual inspection fixture with application number 202320523909.X includes: a base, a first bracket and a second bracket arranged opposite to each other on the base, a reel loading column rotatably connected to the first bracket, a take-up reel rotatably connected to the second bracket, a connecting rod connecting the first bracket and the second bracket, an adjusting bracket slidably fitted on the connecting rod, and a visual inspection block provided on the adjusting bracket. Through the above method, this utility model can conveniently perform visual inspection of chips on the carrier tape, improving inspection efficiency. However, it is not convenient to simultaneously perform visual inspection of the top and bottom surfaces of the chip, thus affecting the efficiency of chip visual inspection. Utility Model Content

[0004] The purpose of this invention is to provide a carrier chip visual inspection fixture to solve the problem in the prior art that it is inconvenient to perform visual inspection on both the top and bottom surfaces of the chip at the same time, thus affecting the efficiency of chip visual inspection.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a carrier chip visual inspection fixture, comprising a fixture base plate, on the upper side of the fixture base plate being rotatably provided via a stand and a transmission shaft, and a detection carrier tape being wound around the outer side of the two transmission wheels, one end of the transmission shaft being connected to a motor via a gear set, and a stand plate being provided in the middle of the upper side of the fixture base plate, and an upper visual inspection block and a lower visual inspection block being slidably provided in the middle of ...

[0006] Furthermore, the gear set is a reduction gear, and the motor is fixedly mounted on the outer wall of the frame via a base.

[0007] Furthermore, a magnifying glass, a reflector, and an eyepiece are provided on one side of the inside of one end of the detection cylinder, and the included angle between the reflector and the magnifying glass and the eyepiece is 45°.

[0008] Furthermore, the detection cylinder is an L-shaped support cylinder, and a camera is also provided at one end of the detection cylinder.

[0009] Furthermore, the detection carrier tape has a chip positioning groove inside, and a reverse inspection hole is provided at the bottom of the chip positioning groove.

[0010] Furthermore, the screw has two opposite external threads on its outer sides at both ends, and the two limiting sliders are respectively threaded to the two external threads. One end of the screw is provided with an adjustment handle, and the limiting slider is also slidably configured with a limiting groove on the inner wall of the vertical plate.

[0011] Furthermore, a PLC control cabinet is provided on the outside of the upright plate, and a display screen and control buttons are provided on the outside of the PLC control cabinet.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model features a vertical plate located on the upper center of the base plate of the fixture. An upper inspection block and a lower inspection block are slidably mounted in the center of the vertical plate via a screw and a limiting slider. This allows for simultaneous visual inspection of the top and bottom surfaces of the chip being transported on the inspection carrier using the upper and lower inspection blocks, greatly improving the efficiency of chip visual inspection.

[0014] This utility model features two opposite external threads on the outer sides of both ends of a screw, with two limiting sliders respectively threaded to the two external threads. One end of the screw has an adjusting handle, and the limiting sliders are also slidably configured with limiting grooves on the inner wall of the vertical plate. This allows the two limiting sliders to be moved towards each other by rotating the screw, thereby adjusting the distance between the upper and lower inspection blocks and the inspection carrier belt, thus meeting the needs of visual inspection at different distances.

[0015] This utility model has a camera at one end of the detection cylinder and a PLC control cabinet on the outside of the upright plate. Both cameras are electrically connected to the controller inside the PLC control cabinet. The PLC control cabinet has a display screen and control buttons on the outside. The camera replaces the human eye for visual inspection, and the detection image is displayed on the display screen in real time. The inspection personnel only need to stand on one side of the upright plate to view the display screen, which further improves the efficiency of visual inspection. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a first-view structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0019] Figure 3 This is a cross-sectional view of the internal structure of the detection cylinder of this utility model.

[0020] In the diagram: 1. Fixture base plate; 2. Vertical plate; 3. Frame; 4. Conveyor shaft; 5. Drive wheel; 6. Inspection carrier belt; 7. Chip positioning slot; 8. Reverse inspection hole; 9. Upper visual inspection block; 10. Screw; 11. Limiting slide groove; 12. Limiting slider; 13. Adjusting handle; 14. Lower visual inspection block; 15. Inspection cylinder; 16. PLC control cabinet; 17. Gear set; 18. Motor; 19. Camera; 20. Reflector; 21. Magnifying glass; 22. Eyepiece. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 , Figure 3 In this embodiment of the invention, a carrier chip visual inspection fixture includes a fixture base plate 1. A transmission wheel 5 is rotatably mounted on the upper side of the fixture base plate 1 via a stand 3 and a transmission shaft 4. A detection carrier belt 6 is wound around the outer sides of the two transmission wheels 5. One end of the transmission shaft 4 is connected to a motor 18 via a gear set 17, which is a reduction gear. The motor 18 is fixedly mounted on the outer wall of the stand 3 via a base. This allows the motor 18 to drive the gear set 17 to rotate the transmission wheels 5, enabling the detection carrier belt 6 to move and transport the chip for visual inspection. The fixture has an internal chip positioning slot 7 for chip snapping and positioning. The bottom of the chip positioning slot 7 has a reverse inspection hole 8. The upper middle part of the fixture base plate 1 also has a vertical plate 2. The upper visual inspection block 9 and the lower visual inspection block 14 are slidably mounted in the middle of the vertical plate 2 through a screw 10 and a limiting slider 12. The upper visual inspection block 9 and the lower visual inspection block 14 are both equipped with a detection cylinder 15 in the middle. This allows the detection cylinder 15 of the upper visual inspection block 9 and the lower visual inspection block 14 to perform visual inspection of the upper and lower surfaces of the chip conveyed on the detection carrier 6, which greatly improves the efficiency of chip visual inspection.

[0023] Figure 2 and Figure 3 As shown, in order to achieve right-angle visual inspection, a magnifying glass 21, a reflector 20 and an eyepiece 22 are provided on one side of the inside of one end of the inspection cylinder 15. The angle between the reflector 20 and the magnifying glass 21 and the eyepiece 22 is 45°, which facilitates right-angle visual inspection.

[0024] Figure 1 and Figure 2As shown, in order to further improve the efficiency of visual inspection, the inspection cylinder 15 is an L-shaped support cylinder, and a camera 19 is also provided at one end of the inspection cylinder 15. A PLC control cabinet 16 is provided on the outside of the upright plate 2, and a display screen and control buttons are provided on the outside of the PLC control cabinet 16. The camera 19 is used to replace the human eye for visual inspection, and the inspection image is displayed on the display screen in real time. The inspection personnel only need to stand on one side of the upright plate 2 to watch the display screen, which further improves the efficiency of visual inspection.

[0025] Figure 1 and Figure 2 As shown, in order to meet the visual inspection needs of different spacings, two opposite external threads are provided on the outer sides of both ends of the screw 10, and two limiting sliders 12 are respectively threaded to the two external threads. One end of the screw 10 is provided with an adjustment handle 13, and the limiting sliders 12 are also slidably set with the limiting slide grooves 11 on the inner wall of the vertical plate 2, so that the two limiting sliders 12 can be moved towards each other by rotating the screw 10, thereby adjusting the distance between the upper visual inspection block 9 and the lower visual inspection block 14 and the detection carrier belt 6, thus meeting the visual inspection needs of different spacings.

[0026] The working principle and usage process of this utility model are as follows: In use, the chips to be tested are snapped into the chip positioning slots 7 on the upper part of the testing carrier belt 6. The testing carrier belt 6 is driven by the motor 18 and the gear set 17 to transport the chips laterally to the side of the upright plate 2. Since the upper visual inspection block 9 and the lower visual inspection block 14 are slidably arranged in the middle of the upright plate 2 through the screw 10 and the limiting slider 12, and the middle of the upper visual inspection block 9 and the lower visual inspection block 14 are both equipped with a detection cylinder 15, the detection cylinder 15 of the upper visual inspection block 9 and the lower visual inspection block 14 can be used to visually inspect the top and bottom surfaces of the chips transported on the testing carrier belt 6, which greatly improves the efficiency of chip visual inspection.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A carrier tape chip inspection fixture comprising a fixture base plate (1), characterized in that: The upper side of the jig base plate (1) is provided with a transmission wheel (5) through a stand (3) and a transmission shaft (4), and two transmission wheels (5) are wound with detection tape (6) on the outer side, one end of the transmission shaft (4) is driven connected with a motor (18) through a gear set (17), the upper side of the jig base plate (1) is further provided with a vertical plate (2) in the middle, the vertical plate (2) is provided with an upper eye detection block (9) and a lower eye detection block (14) through a screw rod (10) and a limit sliding block (12) in the middle, the upper eye detection block (9) and the lower eye detection block (14) are provided with detection cylinders (15) in the middle.

2. The carrier chip visual inspection tool of claim 1, wherein: The gear set (17) is a speed reducer, and the motor (18) is fixedly arranged on the outer wall of the stand (3) through the base.

3. The carrier chip visual inspection tool of claim 1, wherein: The detection cylinder (15) is provided with a magnifying glass (21), a mirror (20) and an eyepiece (22) on one end of the inner side, and the included angle between the mirror (20) and the magnifying glass (21) and the eyepiece (22) is 45°.

4. The carrier tape chip inspection fixture of claim 1, wherein: The detection cylinder (15) is an L-shaped cylinder, and the detection cylinder (15) is further provided with a camera (19) at one end.

5. The carrier chip visual inspection tool of claim 1, wherein: The detection tape (6) is provided with a chip positioning groove (7) in the inside, and the bottom of the chip positioning groove (7) is provided with a reverse detection hole (8).

6. The carrier tape chip inspection fixture of claim 1, wherein: The screw rod (10) is provided with two opposite external threads on the outer side of both ends, and the two limit sliding blocks (12) are respectively screwed with the two external threads, and one end of the screw rod (10) is provided with an adjusting handle (13).

7. The carrier chip visual inspection tool of claim 1, wherein: The outer side of the vertical plate (2) is provided with a PLC control cabinet (16), and the outer side of the PLC control cabinet (16) is provided with a display screen and a control button.

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