CN220177566U

CN220177566U - Chip appearance detection and classification rejecting equipment

Info

Publication number: CN220177566U
Application number: CN202321574374.5U
Authority: CN
Inventors: 邹春晖
Original assignee: Shanghai Yusi Microelectronics Co ltd
Current assignee: Shanghai Yusi Microelectronics Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-15
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of chip detection, and particularly discloses chip appearance detection classifying and rejecting equipment which comprises a workbench and detection tools, wherein material rest platforms are arranged on two sides of the workbench, a second conveying belt is arranged at the upper end of one material rest platform, a first conveying belt is arranged at the upper end of the other material rest platform, a rotary table is arranged at the upper end of the workbench, a plurality of clamping grooves for placing chips are formed in the upper end of the rotary table, the clamping grooves are distributed in an annular array, and the detection tools are arranged above one of the clamping grooves. The transmission device can control the turntable to intermittently rotate between the upper end of the workbench, the chips detected below the detection tool are switched, the sliding table mechanical arm can send the chips on the first conveying belt into the clamping groove at the upper end of the turntable or take out the chips in the clamping groove when the detection tool detects and switches the chips, and then the chips are sent out through the second conveying belt, so that the waiting time of the detection tool can be effectively reduced, and the operation efficiency is improved.

Description

Chip appearance detection and classification rejecting equipment

Technical Field

The utility model relates to the technical field of chip detection, in particular to chip appearance detection, classification and removal equipment.

Background

At present, the month output of a common LED chip factory is more than one hundred thousand chips, the number of the particles of the chips which are tested and separated is hundreds of millions, the chips are required to be inspected visually after being tested and separated according to the process flow, the chips with bad appearance are picked out and then put in storage, and in order to improve the detection efficiency, the quality detection is carried out by adopting machine vision appearance detection equipment at present.

The Chinese patent with the application number of CN202221704958.5 discloses an automatic detection device for the appearance of an LED chip, which comprises a workbench, a detection platform, a camera, a mechanical arm and a control platform; the detection platform, the camera, the mechanical arm and the control console are all arranged on the workbench, the camera is in communication connection with the control console, and the mechanical arm is in control connection with the control console; the camera is located directly over the detection platform, and the camera head of the camera is opposite to the detection platform, and the detection platform is used for placing the chip to be detected. The detection device realizes the rapid judgment of the chip with the bad appearance through the machine vision appearance detection equipment, and then the mechanical arm is controlled by the control console to move to the position above the chip with the bad appearance for picking, so that the detection device has the characteristic of saving the labor cost. When detecting, the operator needs to use the mechanical arm to put the chip to be detected on the detection table, the control table can stop analyzing the chip in the process of taking and discharging until the next chip falls on the working table, and when the number of the chips to be detected is great, the mode of the test can definitely cause time waste and influence the production detection efficiency.

Disclosure of Invention

Aiming at the problems, the utility model provides chip appearance detection, classification and removal equipment which is used for solving the defects that when the existing tapping mechanism is used for detection, an operator is required to use a mechanical arm to place a chip to be detected on a detection table, and in the process of taking and placing materials, a control table can stop analyzing the chip until the next chip falls on the working table, and the detection efficiency is low.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the chip appearance detection, classification and rejection equipment comprises a workbench and detection tools, wherein two sides of the workbench are respectively provided with a material rack, the upper end of one material rack is provided with a second conveying belt, and the upper end of the other material rack is provided with a first conveying belt;

the upper end of the workbench is provided with a turntable which is rotationally connected with the workbench, the upper end of the turntable is provided with a plurality of clamping grooves for placing chips, the clamping grooves are distributed in an annular array, and the detection tool is arranged above one of the clamping grooves;

a sliding table mechanical arm for storing chips in the clamping grooves is arranged above the turntable, and a transmission device for controlling intermittent rotation of the turntable and switching the positions of the clamping grooves is arranged in the workbench.

The further improvement is that: the detecting tool comprises a mounting bracket arranged at the upper end of the rotary table, the lower end of the mounting bracket is fixedly connected with the rotary table, the upper end of the mounting bracket is provided with a camera probe, and the camera probe is arranged above one of the clamping grooves.

The further improvement is that: the slip table arm includes two backup pads, and two backup pads are fixed connection respectively in the upper end of two material rest platforms, are equipped with the slip rail between two backup pads, slip rail both ends and backup pad fixed connection, and slip rail outside cover is equipped with the slider, slider and slip rail sliding connection, slider one side are equipped with electric putter, and electric putter installation end and slider fixed connection, and electric putter output is equipped with adsorption component, is equipped with the X axle driving piece that is used for promoting slider horizontal migration between two slip rails.

The further improvement is that: the X-axis driving piece comprises a screw rod, the screw rod is arranged below the sliding rail, two ends of the screw rod are rotationally connected with the supporting plates, a first motor is arranged on the outer side of one supporting plate, the output end of the first motor is fixedly connected with one end of the screw rod, a nut seat is sleeved outside the screw rod body, the screw rod is in threaded fit with the nut seat, and the nut seat is fixedly connected with the lower end of the sliding block.

The further improvement is that: the adsorption component comprises a vacuum chuck, the vacuum chuck is arranged above the workbench and the material rack table and fixedly connected with the output end of the electric push rod, the outer side of the vacuum chuck is connected with an air duct, and the air duct is communicated with an external vacuum pump.

The further improvement is that: the driving device comprises a driving plate, a grooved pulley and a second motor, wherein the driving plate, the grooved pulley and the second motor are arranged in the workbench, the grooved pulley is fixedly connected with the turntable through a rotating shaft, a plurality of driving levers are arranged on the outer side of the grooved pulley, the driving levers are movably matched with a driving groove formed in the driving plate, the second motor is installed and rotated to be fixedly connected with the inner wall of the workbench, and the output end of the second motor is fixedly connected with the driving plate.

The further improvement is that: a supporting plate is arranged between the material rest table and the workbench, the upper end of the supporting plate is fixedly connected with the material rest table, and the supporting plate is fixedly connected with the side wall of the workbench.

The beneficial effects of the utility model are as follows: in the detection process, the transmission device can control the turntable to rotate between the upper ends of the working tables, the chips detected below the detection tools are switched, when the detection tools detect the chips, the sliding table mechanical arm can send the chips on the first conveying belt into the clamping groove at the upper ends of the turntable, or take out the chips in the clamping groove, and then the chips are sent out through the second conveying belt, so that the waiting time of the detection tools can be effectively reduced, and the operation efficiency is improved.

Drawings

Fig. 1 is a block diagram of an imaging probe according to the present utility model.

Fig. 2 is a structural view of a first motor in the present utility model.

Fig. 3 is a structural view of a second motor in the present utility model.

Wherein: 1. a work table; 2. a material rest; 3. a first conveyor belt; 4. a second conveyor belt; 5. a mounting bracket; 6. an imaging probe; 7. a turntable; 8. a support plate; 9. a sliding rail; 10. a screw; 11. a slide block; 12. a nut seat; 13. an electric push rod; 14. a first motor; 15. a clamping groove; 16. a dial; 17. a sheave; 18. a groove is arranged; 19. a deflector rod; 20. a second motor; 21. and (5) a vacuum chuck.

Description of the embodiments

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to fig. 1, 2 and 3, the embodiment provides a chip appearance detection, classification and removal device, which comprises a workbench 1 and detection tools, wherein two sides of the workbench 1 are respectively provided with a material rest 2, the upper end of one material rest 2 is provided with a second conveying belt 4, and the upper end of the other material rest 2 is provided with a first conveying belt 3; the first conveyor belt 3 is used for feeding chips to be tested onto the material rack table 2, and the second conveyor belt 4 is used for feeding detected chips outwards.

The upper end of the workbench 1 is provided with a turntable 7, the turntable 7 is rotationally connected with the workbench 1, the upper end of the turntable 7 is provided with a plurality of clamping grooves 15 for placing chips, the clamping grooves 15 are distributed in an annular array, and a detection tool is arranged above one of the clamping grooves 15. The chip to be tested is placed in each clamping groove 15 formed in the upper end of the rotary table 7, and in the rotating process of the rotary table 7, the chip below the rotary table is shot and analyzed by the detection tool.

A sliding table mechanical arm for storing chips in the clamping grooves 15 is arranged above the turntable 7, and a transmission device for controlling the turntable 7 to intermittently rotate and switching the positions of the clamping grooves 15 is arranged in the workbench 1. In the detection process, the transmission device can control the turntable 7 to intermittently rotate, the chips detected below the detection tool are switched, when the detection tool detects and the chips are switched, the sliding table mechanical arm can send the chips on the first conveying belt 3 into the clamping groove 15 at the upper end of the turntable 7, or take out the chips in the clamping groove 15, and then send out the chips through the second conveying belt 4, so that the waiting time of the detection tool can be effectively reduced, and the operation efficiency is improved.

The detecting tool comprises a mounting bracket 5 arranged at the upper end of a rotary table 7, the lower end of the mounting bracket 5 is fixedly connected with the rotary table 7, the upper end of the mounting bracket 5 is provided with a camera probe 6, and the camera probe 6 is arranged above one of clamping grooves 15. After the driving plate 16 with the chip is shifted to the lower part of the image pickup probe 6, the image pickup probe 6 shoots the chip to be detected placed on the clamping groove 15, and transmits the shot image to an external control console, and the image of the chip to be detected is compared with the image of the standard chip through the external control console, so that the chip with bad appearance can be rapidly judged.

The slip table arm includes two backup pads 8, two backup pads 8 are fixed connection respectively in the upper end of two material rest tables 2, be equipped with slip rail 9 between two backup pads 8, slip rail 9 both ends and backup pad 8 fixed connection, slip rail 9 outside cover is equipped with slider 11, slider 11 and slip rail 9 sliding connection, slider 11 one side is equipped with electric putter 13, electric putter 13 installation end and slider 11 fixed connection, electric putter 13 output is equipped with the adsorption component, be equipped with the X axle driving piece that is used for promoting slider 11 horizontal migration between two slip rails 9.

The X-axis driving part adjusts the position of the adsorption component, so that the adsorption component is shifted to the upper parts of the turntable 7, the first conveying belt 3 and the second conveying belt 4, and material taking and discharging are performed. The X-axis driving piece comprises a screw rod 10, the screw rod 10 is arranged below the sliding rail 9, two ends of the screw rod 10 are rotationally connected with the supporting plates 8, a first motor 14 is arranged on the outer side of one supporting plate 8, the output end of the first motor 14 is fixedly connected with one end of the screw rod 10, a nut seat 12 is sleeved outside the rod body of the screw rod 10, the screw rod 10 is in threaded fit with the nut seat 12, and the nut seat 12 is fixedly connected with the lower end of the sliding block 11. The first motor 14 drives the screw rod 10 to rotate, the screw rod 10 is matched with the nut seat 12 in rotation to drive the nut seat 12 to move along the rod body, and the nut seat 12 also drives the sliding block 11 to move together with the electric push rod 13 in movement. The sliding rail 9 plays a role in guiding the sliding block 11, so that the electric push rod 13 and the adsorption assembly cannot deviate when moving.

In this embodiment, the X-axis drive employs a screw drive to control the position of the slider 11, and other linear translation mechanisms may be employed instead of the screw drive, and is not limited to one of the above descriptions.

The adsorption component comprises a vacuum chuck 21, the vacuum chuck 21 is arranged above the workbench 1 and the material rack 2 and fixedly connected with the output end of the electric push rod 13, the outer side of the vacuum chuck 21 is connected with an air duct, and the air duct is communicated with an external vacuum pump. After the electric push rod 13 is shifted to the upper side of the first conveying belt 3, the electric push rod 13 pushes the vacuum chuck 21 to fall down, the vacuum chuck 21 adsorbs chips on the first conveying belt 3 through negative pressure, after the electric push rod 13 is shifted to the upper side of the rotary table 7, the electric push rod 13 pushes the vacuum chuck 21 to fall down, the vacuum chuck 21 places the chips into the clamping groove 15, the detected chips can be taken out of the clamping groove 15 by the electric push rod 13 and put into the second conveying belt 4 to be sent out.

The negative pressure material taking is a conventional material taking mode in the prior art, and is not described more.

The transmission device is a common sheave transmission mechanism and plays a role in controlling intermittent rotation of the turntable 7, the transmission device comprises a driving plate 16, a sheave 17 and a second motor 20 which are arranged in the workbench 1, the sheave 17 is fixedly connected with the turntable 7 through a rotating shaft, the rotating shaft is arranged at the center of the turntable 7, the upper end of the rotating shaft is fixed with the turntable 7, the lower end of the rotating shaft penetrates into the workbench 1 and is fixed with the sheave 17, a plurality of deflector rods 19 are arranged on the outer side of the sheave 17, the deflector rods 19 are movably matched with a deflector groove 18 arranged on the driving plate 16, the second motor 20 is installed and rotated to be fixedly connected with the inner wall of the workbench 1, and the output end of the second motor 20 is fixedly connected with the driving plate 16. It should be noted that, each deflector rod 19 arranged on the outer side of the grooved pulley 17 corresponds to each clamping groove 15 arranged on the upper end of the turntable 7 one by one, when the second motor 20 drives the driving plate 16 to rotate, the driving plate 16 drives the grooved pulley 17 through the cooperation between the driving grooves 18 and the deflector rods 19, the grooved pulley 17 rotates by one groove position, and the clamping groove 15 on the turntable 7 also rotates by one groove position.

For improving the structural strength of material rest 2 and workstation 1 junction, be equipped with the backup pad between material rest 2 and the workstation 1, backup pad upper end and material rest 2 fixed connection, backup pad and workstation 1 lateral wall fixed connection, the backup pad adopts welded mode to fix with workstation 1 and material rest 2. By additionally arranging the supporting plate at the lower end of the material rest 2, the material rest 2 can be prevented from being in a suspended state, and the working strength of the workbench 1 and the material rest 2 is enhanced.

The device is different from the existing sorting and removing equipment in that the upper end of the workbench 1 is provided with the rotary table 7, the upper end of the rotary table 7 is provided with a plurality of clamping grooves 15 for placing chips, in the detection process, the transmission device can control the rotary table 7 to intermittently rotate between the upper ends of the workbench 1, chips detected below the detection tools are switched, when the detection tools detect and switch the chips, the sliding table mechanical arm can send the chips on the first conveying belt 3 into the clamping grooves 15 at the upper ends of the rotary table 7, or take the chips in the clamping grooves 15 out, and then send the chips out through the second conveying belt 4, so that the waiting time of the detection tools can be effectively reduced, and the operation efficiency can be improved in a continuous feeding and discharging mode.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The chip appearance detection, classification and removal equipment comprises a workbench (1) and detection tools and is characterized in that material rest platforms (2) are arranged on two sides of the workbench (1), a second conveying belt (4) is arranged at the upper end of one material rest platform (2), and a first conveying belt (3) is arranged at the upper end of the other material rest platform (2);

the upper end of the workbench (1) is provided with a rotary table (7), the rotary table (7) is rotationally connected with the workbench (1), the upper end of the rotary table (7) is provided with a plurality of clamping grooves (15) for placing chips, the clamping grooves (15) are distributed in an annular array, and the detection tool is arranged above one of the clamping grooves (15);

a sliding table mechanical arm for storing chips in the clamping grooves (15) is arranged above the turntable (7), and a transmission device for controlling intermittent rotation of the turntable (7) and switching the positions of the clamping grooves (15) is arranged in the workbench (1).

2. The chip appearance inspection sorting and eliminating device according to claim 1, wherein: the detection tool comprises a mounting bracket (5) arranged at the upper end of a rotary table (7), the lower end of the mounting bracket (5) is fixedly connected with the rotary table (7), the upper end of the mounting bracket (5) is provided with a camera probe (6), and the camera probe (6) is arranged above one of the clamping grooves (15).

3. The chip appearance inspection sorting and eliminating device according to claim 1, wherein: slip table arm includes two backup pad (8), two backup pad (8) are fixed connection respectively in the upper end of two material rest (2), two be equipped with between backup pad (8) slip rail (9), slip rail (9) both ends and backup pad (8) fixed connection, slip rail (9) outside cover is equipped with slider (11), slider (11) and slip rail (9) sliding connection, slider (11) one side is equipped with electric putter (13), electric putter (13) installation end and slider (11) fixed connection, electric putter (13) output is equipped with the adsorption component, two be equipped with between slip rail (9) and be used for promoting slider (11) horizontal migration's X axle driver.

4. A chip appearance inspection sorting and eliminating apparatus according to claim 3, wherein: the X-axis driving piece comprises a screw (10), the screw (10) is arranged below the sliding rail (9), two ends of the screw (10) are rotationally connected with the supporting plate (8), one of the screw (10) is provided with a first motor (14) on the outer side of the supporting plate (8), the output end of the first motor (14) is fixedly connected with one end of the screw (10), a nut seat (12) is sleeved outside the shaft of the screw (10), the screw (10) is in threaded fit with the nut seat (12), and the nut seat (12) is fixedly connected with the lower end of the sliding block (11).

5. The chip appearance inspection sorting and eliminating device according to claim 4, wherein: the adsorption component comprises a vacuum chuck (21), wherein the vacuum chuck (21) is arranged above the workbench (1) and the material rack table (2) and fixedly connected with the output end of the electric push rod (13), the outer side of the vacuum chuck (21) is connected with an air duct, and the air duct is communicated with an external vacuum pump.

6. The chip appearance inspection sorting and eliminating device according to claim 1, wherein: the driving device comprises a driving plate (16), a grooved wheel (17) and a second motor (20) which are arranged in the workbench (1), the grooved wheel (17) is fixedly connected with the rotary table (7) through a rotating shaft, a plurality of driving levers (19) are arranged on the outer side of the grooved wheel (17), the driving levers (19) are movably matched with a driving groove (18) arranged on the driving plate (16), the second motor (20) is installed and rotated to be fixedly connected with the inner wall of the workbench (1), and the output end of the second motor (20) is fixedly connected with the driving plate (16).

7. The chip appearance inspection sorting and eliminating device according to claim 1, wherein: a supporting plate is arranged between the material rest (2) and the workbench (1), the upper end of the supporting plate is fixedly connected with the material rest (2), and the supporting plate is fixedly connected with the side wall of the workbench (1).