Rotating disc type LED chip sorting machine

By designing a turntable LED chip sorter, using CCD cameras and pneumatic nozzles for automated detection and sorting, the problem of low manual sorting efficiency in the existing technology is solved, and efficient and reliable chip quality control is achieved.

CN222469854UActive Publication Date: 2025-02-14SHANGHAI QINGYI SEMICON CO LTD
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Patent Information

Application Number
CN202323606125.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-28
Publication Date
2025-02-14
Estimated Expiration
2033-12-28

AI Technical Summary

Technical Problem

The prior art manual sorting before chip packaging is inefficient and errors are prone to occur, resulting in increased difficulty in chip quality control.

Method used

A turntable LED chip sorting machine is designed, using a CCD camera to perform chip photography analysis, and mechanical sorting is realized through pneumatic nozzles and drive motors to reduce manual intervention.

Benefits of technology

It improves the efficiency of chip sorting, reduces the error of manual detection, reduces labor costs, and ensures the reliability of chip quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222469854U_ABST
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Abstract

The utility model belongs to the technical field of chip detecting and sorting, and particularly discloses a rotating disc type LED chip sorting machine which comprises a base, a first fixing shell is arranged in the center of the top end of the base, a first driving motor is installed in the center of the interior of the first fixing shell, and the output end of the first driving motor is arranged upwards and connected with a supporting table. A circular turntable is fixedly arranged on the upper end surface of the first fixed shell; a supporting frame is arranged on the right side of the first fixing shell, a third fixing shell is installed at the top end of the supporting frame, and an electric telescopic rod is transversely arranged in the third fixing shell. A second fixing shell is arranged at the rear end of the first fixing shell and fixed to the base, a second driving motor is installed in the second fixing shell, the output end of the second driving motor is upwards arranged and fixedly provided with an air cylinder, a rectangular mounting plate is fixedly arranged at the top end of the air cylinder, and a vacuum pump and a pneumatic suction nozzle are fixed to the upper portion of the mounting plate. A controller is arranged at the position, close to the left side, of the upper portion of the base.
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Description

Technical Field

[0001] The utility model relates to the technical field of chip detection and sorting, in particular to a turntable type LED chip sorting machine. Background Art

[0002] With the development of science and technology, the complexity of chips is getting higher and higher. Due to the fine structure of chips and complex manufacturing processes, potential defects will inevitably be left in the production process, so that the manufactured chips cannot meet the standard requirements and may fail at any time due to various reasons. Therefore, in order to ensure that there are no quality problems with the chips shipped out of the factory, it is necessary to test the chips before leaving the factory to ensure the safety and reliability of the chips during use. Chip testing is actually a relatively large category. Generally, it can be divided into Wafer test and Final test according to the test objects. The test objects are unpackaged chips and packaged chips respectively.

[0003] Currently, some tests are performed before chip packaging to screen out defective chips as much as possible to save packaging costs. The existing technology usually simply divides chips with obvious appearance problems into good and defective products by naked eyes, and manual sorting is inefficient. Utility Model Content

[0004] The purpose of the utility model is to provide a turntable type LED chip sorting machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a turntable type LED chip sorting machine, comprising a base, a first fixed shell is arranged at the top center of the base, a first drive motor is installed at the inner center of the first fixed shell, the output end of the first drive motor is arranged upward and connected to a support platform, the support platform is arranged above the first fixed shell, and a circular turntable is fixedly arranged on the upper end surface of the first fixed shell; a support frame is arranged on the right side of the first fixed shell, a third fixed shell is installed at the top of the support frame, an electric telescopic rod is arranged horizontally inside the third fixed shell, one end of the action rod of the electric telescopic rod is connected to a moving block, and a CCD camera is installed at the lower end of the moving block; a second fixed shell is arranged at the rear end of the first fixed shell and fixed on the base, a second drive motor is installed in the second fixed shell, the output end of the second drive motor is arranged upward and fixed with a cylinder, a rectangular mounting plate is fixedly arranged at the top of the cylinder, a vacuum pump and a pneumatic suction nozzle are fixed above the mounting plate, and an air pipe connection is arranged between the vacuum pump and the pneumatic suction nozzle; a controller is arranged at the upper side of the base near the left side.

[0006] Preferably, the upper end of the turntable is provided with limiting blocks arranged in a circular array, and a chip is placed between two adjacent limiting blocks.

[0007] Preferably, the output end of the electric telescopic rod faces the direction of the center of the turntable.

[0008] Preferably, a vibration plate is provided on the left side of the first fixed shell and installed on the upper end of the base.

[0009] Preferably, a linear feeder is arranged on one side of the vibration plate, and a discharge port of the linear feeder is arranged on one side of the outer circumference of the turntable.

[0010] Preferably, a good product box and a defective product box are symmetrically arranged on both sides of the second fixed shell, the defective product box is arranged on the left side, and the good product box is arranged on the right side, and coatings of different colors are arranged on the outer sides of the good product box and the defective product box.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is a turntable type LED chip sorting machine which sets a vibration plate for loading and sets a CCD camera to take pictures of the chips. The pictures taken will be transmitted to the controller for analysis and comparison to determine whether the chips are qualified, thereby solving the inconvenience of manual inspection, reducing the errors that may occur in manual inspection, and improving the efficiency of chip sorting; a pneumatic suction nozzle and a second drive motor are set to realize mechanical sorting of the chips, thereby reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0014] Figure 3 It is a schematic diagram of the side sectional structure of the utility model.

[0015] In the figure: 1. base; 2. first fixed shell; 3. first drive motor; 4. support table; 5. turntable; 6. limit block; 7. second fixed shell; 8. second drive motor; 9. cylinder; 10. mounting plate; 11. vacuum pump; 12. pneumatic suction nozzle; 13. support frame; 14. third fixed shell; 15. electric telescopic rod; 16. moving block; 17. CCD camera; 18. controller; 19. vibration plate; 20. linear feeder; 21. defective product box; 22. good product box. 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] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: a turntable type LED chip sorting machine, comprising a base 1, a first fixed shell 2 is arranged at the top center of the base 1, a first driving motor 3 is installed at the inner center of the first fixed shell 2, an output end of the first driving motor 3 is arranged upward and connected to a support platform 4, the support platform 4 is arranged above the first fixed shell 2, a circular turntable 5 is fixedly arranged on the upper end surface of the first fixed shell 2; a supporting frame 13 is arranged on the right side of the first fixed shell 2, a third fixed shell 14 is installed at the top of the supporting frame 13, and an electric telescopic rod 1 is arranged horizontally inside the third fixed shell 14 5, one end of the action rod of the electric telescopic rod 15 is connected to the moving block 16, and a CCD camera 17 is installed at the lower end of the moving block 16; a second fixed shell 7 is arranged at the rear end of the first fixed shell 2 and fixed on the base 1, a second drive motor 8 is installed in the second fixed shell 7, and a cylinder 9 is arranged and fixed on the output end of the second drive motor 8 upward, a rectangular mounting plate 10 is fixed on the top of the cylinder 9, a vacuum pump 11 and a pneumatic suction nozzle 12 are fixed above the mounting plate 10, and an air pipe is arranged between the vacuum pump 11 and the pneumatic suction nozzle 12; a controller 18 is arranged above the base 1 near the left side.

[0020] Furthermore, the upper end of the turntable 5 is provided with limiting blocks 6 arranged in a circular array, and a chip is placed between two adjacent limiting blocks 6 .

[0021] Furthermore, the output end of the electric telescopic rod 15 faces the direction of the center of the turntable 5 .

[0022] Furthermore, a vibration plate 19 is provided on the left side of the first fixed shell 2 and installed on the upper end of the base 1 .

[0023] Furthermore, a linear feeder 20 is disposed on one side of the vibration plate 19 , and a discharge port of the linear feeder 20 is disposed on one side of the outer circumference of the turntable 5 .

[0024] Furthermore, a good product box 22 and a defective product box 21 are symmetrically arranged on both sides of the second fixed shell 7, the defective product box 21 is arranged on the left side, and the good product box 22 is arranged on the right side. The outer sides of the good product box 22 and the defective product box 21 are coated with different colors for easy distinction.

[0025] Working principle: The utility model provides a turntable type LED chip sorting machine, comprising a base 1, a first fixed shell 2 is arranged at the top center of the base 1, a first drive motor 3 is installed at the inner center of the first fixed shell 2, the output end of the first drive motor 3 is arranged upward and connected to a support table 4, the support table 4 is arranged above the first fixed shell 2, a circular turntable 5 is fixedly arranged on the upper end surface of the first fixed shell 2; a support frame 13 is arranged on the right side of the first fixed shell 2, a third fixed shell 14 is installed on the top of the support frame 13, and the inner end of the third fixed shell 14 is provided with a first fixed shell 14. An electric telescopic rod 15 is horizontally arranged at the bottom, one end of the action rod of the electric telescopic rod 15 is connected to a moving block 16, a CCD camera 17 is installed at the lower end of the moving block 16, and the CCD camera 17 is driven to move left and right by the electric telescopic rod 15 and the moving block 16, so as to improve the convenience of the CCD camera 17 for detecting chips of different sizes; a second fixed shell 7 is arranged at the rear end of the first fixed shell 2 and fixed on the base 1, a second driving motor 8 is installed in the second fixed shell 7, and a cylinder 9 is arranged and fixed on the output end of the second driving motor 8 upward, and a rectangular mounting is fixed on the top of the cylinder 9 The mounting plate 10 is provided with a vacuum pump 11 and a pneumatic suction nozzle 12 fixed on the mounting plate 10, and an air pipe is provided between the vacuum pump 11 and the pneumatic suction nozzle 12; a controller 18 is provided on the upper side of the base 1 near the left side; when in use, the chip to be detected is returned to the vibration plate 19, and the chip is evenly transported to the turntable 5 through the linear feeder 20, and then the first drive motor 3 drives the turntable 5 to rotate counterclockwise, so that the chip rotates to the bottom of the CCD camera 17, and the CCD camera 17 takes a picture of the chip, and the taken picture is transmitted to the controller 18 for analysis and comparison, and the judgment is made. Whether the chip is qualified can be determined, so as to solve the inconvenience of manual inspection, reduce the possible errors in manual inspection and improve the efficiency of chip sorting; then the turntable 5 drives the chip to rotate a certain angle again, and the CCD camera 17 takes a picture of the next chip. When the chip after inspection moves to the bottom of the pneumatic suction nozzle 12, the pneumatic suction nozzle 12 sucks the chip, and the controller 18 controls the second drive motor 8. When the chip is unqualified, the second drive motor 8 turns left to put the chip into the defective product box 21. When the chip is qualified, the second drive motor 8 turns right to put the chip into the good product box 22.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turntable type LED chip sorting machine, characterized in that: The invention comprises a base (1), a first fixed shell (2) is arranged at the top center of the base (1), a first drive motor (3) is installed at the inner center of the first fixed shell (2), an output end of the first drive motor (3) is arranged upward and connected to a support platform (4), the support platform (4) is arranged above the first fixed shell (2), a circular turntable (5) is fixedly arranged on the upper end surface of the first fixed shell (2); a support frame (13) is arranged on the right side of the first fixed shell (2), a third fixed shell (14) is installed at the top of the support frame (13), an electric telescopic rod (15) is arranged horizontally inside the third fixed shell (14), and an action rod of the electric telescopic rod (15) is arranged The first fixed shell (2) is connected to a moving block (16), and a CCD camera (17) is installed at the lower end of the moving block (16); a second fixed shell (7) is arranged at the rear end of the first fixed shell (2) and fixed on the base (1); a second drive motor (8) is installed in the second fixed shell (7); a cylinder (9) is arranged and fixed on the output end of the second drive motor (8); a rectangular mounting plate (10) is fixed on the top of the cylinder (9); a vacuum pump (11) and a pneumatic suction nozzle (12) are fixed above the mounting plate (10); an air pipe is arranged between the vacuum pump (11) and the pneumatic suction nozzle (12); a controller (18) is arranged above the base (1) near the left side.

2. The turntable type LED chip sorting machine according to claim 1, characterized in that: The upper end of the rotating disk (5) is provided with limiting blocks (6) arranged in a circular array, and a chip is placed between two adjacent limiting blocks (6).

3. The turntable type LED chip sorting machine according to claim 1, characterized in that: The output end of the electric telescopic rod (15) faces the direction of the center of the turntable (5).

4. The turntable type LED chip sorting machine according to claim 1, characterized in that: A vibration plate (19) is provided on the left side of the first fixed shell (2) and is mounted on the upper end of the base (1).

5. The turntable type LED chip sorting machine according to claim 4, characterized in that: A linear feeder (20) is arranged on one side of the vibration plate (19), and a discharge port of the linear feeder (20) is arranged on one side of the outer circumference of the rotating plate (5).

6. The turntable type LED chip sorting machine according to claim 1, characterized in that: A good product box (22) and a defective product box (21) are symmetrically arranged on both sides of the second fixed shell (7), the defective product box (21) is arranged on the left side, and the good product box (22) is arranged on the right side, and coatings of different colors are arranged on the outside of the good product box (22) and the defective product box (21).