CN210207695U

CN210207695U - Chip appearance detection equipment

Info

Publication number: CN210207695U
Application number: CN201920777005.3U
Authority: CN
Inventors: Jun Han; 韩骏
Original assignee: Suzhou Fuyin Run Automation Equipment Co ltd
Current assignee: Suzhou Fuyin Run Automation Equipment Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-31
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a chip outward appearance check out test set. The technical scheme of the utility model is that: the automatic feeding device comprises a rack, wherein a feeding mechanism, a pin detection mechanism, a character detection mechanism, a picking mechanism and a discharging mechanism are arranged on the rack; the pin detection mechanism comprises a variable-pitch suction nozzle module and a pin detection camera set, wherein the variable-pitch suction nozzle module comprises a plurality of suction nozzles which are arranged side by side; the character detection mechanism comprises an X-axis conveying module capable of clamping the extraction disc and a Y-axis walking module carrying a character detection camera; the gathering mechanism comprises an XYZ-axis walking module connected with a gathering suction head, a blanking conveying belt communicated with the X-axis conveying module and an extraction disc placing area; unloading mechanism includes the unloading conveyer belt and sets up at the terminal extraction dish collecting region of unloading conveyer belt, and extraction dish collecting region includes automatic re-setting buckle and sets up in extraction dish collecting region lower part and can the jacking module of jacking extraction dish. The utility model provides a scheme degree of automation is high and detection efficiency is high.

Description

Chip appearance detection equipment

Technical Field

The utility model relates to a visual detection technical field, in particular to appearance detection equipment of semiconductor trade solid state hard drives chip.

Background

The flatness and the true position of an IC pin in a chip are important factors influencing the assembly quality of a circuit board, and how to detect the flatness and the true position of the IC pin on line in the production process is always a very concerned content in the electronic industry so as to control and improve the surface quality of a product. In the prior art, the traditional detection method is adopted for manual detection, and the method has many problems: the detection efficiency is not high; the detection result is easily influenced by subjective factors of people; the labor intensity of detection personnel is high; the detection standard is difficult to grasp manually, etc. Therefore, in order to overcome these problems, it is the problem to be solved by the present inventors how to design an automatic chip appearance detection device based on a vision and servo control motion system.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model discloses a main aim at provides a chip outward appearance check out test set of detection efficiency height and full automation operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: a chip appearance detection device comprises a rack, wherein a feeding mechanism, a pin detection mechanism, a character detection mechanism, a picking mechanism and a discharging mechanism are arranged on the rack, the feeding mechanism comprises a support frame arranged on the rack, a lifting module capable of driving a plurality of stacked extraction trays to lift and a blocking module capable of clamping or loosening two sides of the extraction trays are arranged on the support frame, the lifting module can drive the extraction trays to enter a double-row conveying belt below the extraction trays, and a plurality of chips to be detected are arranged in each extraction tray in an array mode; the pin detection mechanism comprises a variable-pitch suction nozzle module and a pin detection camera set, the variable-pitch suction nozzle module comprises a plurality of suction nozzles arranged side by side, and the double-row conveyor belt is provided with an air claw capable of fixing the extraction disc; the character detection mechanism comprises an X-axis conveying module capable of clamping the extraction disc and a Y-axis walking module carrying a character detection camera; the picking mechanism comprises an XYZ-axis walking module connected with a picking suction head, a blanking conveying belt communicated with the X-axis conveying module and an extraction disc placing area, wherein the extraction disc placing area comprises a good product placing disc, a stitch poor placing disc and a character poor placing disc; unloading mechanism includes the unloading conveyer belt and sets up at the terminal extraction dish collecting region of unloading conveyer belt, extraction dish collecting region includes automatic re-setting buckle and sets up in extraction dish collecting region lower part and can the jacking module of jacking extraction dish.

Preferably, the lifting module comprises a servo electric cylinder and a top plate connected with the servo electric cylinder, the servo electric cylinder is arranged in the middle of the double-row conveying belt, and the blocking module comprises a blocking cylinder which is arranged on the supporting frame and can clamp the bottommost extraction disc on the double-row conveying belt.

Preferably, the variable-pitch suction nozzle module comprises a driving power source, a variable-pitch driving plate connected with the driving power source, a linear guide post and a row of suction nozzles sleeved on the linear guide post, a plurality of guide grooves are formed in the variable-pitch driving plate, the distance between every two adjacent guide grooves is the same in the same horizontal direction and gradually increases from bottom to top, and guide rods inserted in the corresponding guide grooves are arranged on the suction nozzles.

Preferably, the jacking module comprises a servo electric cylinder and a jacking block connected with the servo electric cylinder.

Preferably, the blanking conveying belt is provided with an aligning mechanism corresponding to the X-axis conveying module, the aligning mechanism comprises a stop block capable of being abutted to the extraction disc on the X-axis conveying module and a material pushing cylinder arranged opposite to the stop block, and the material pushing cylinder is connected with a push block which can be abutted to the corner of the extraction disc and is provided with a V-shaped groove.

Compared with the prior art, the utility model has the advantages that the feed mechanism drives the plate-taking disc to the pin detection mechanism for detection, the chip on the double-row conveyer belt is sucked by the variable-distance suction nozzle module and sent to the pin detection camera unit for photographing detection and then sent back, the chips are sucked by the plurality of suction nozzles simultaneously, eight chips are continuously photographed uninterruptedly, the chip-taking disc is automatically put back to the original position after photographing is finished, the distance that the double-row conveyer belt moves one row of products forwards is repeated until the chip of the whole disc is inspected, the plate-taking disc is loosened by the gas claw, and the plate-taking disc is transmitted to the next process by the double-row; then the character detection mechanism comprises an X-axis conveying module capable of clamping the extracting disc and a Y-axis walking module carrying a character detection camera, and the Y-axis walking module directly drives the character detection camera to shoot and detect the chip on the X-axis conveying module; the picking mechanism comprises an XYZ-axis walking module connected with a picking suction head, a blanking conveying belt communicated with the X-axis conveying module and an extraction disc placing area, the extraction disc placing area comprises a good product placing disc, a pin poor product placing disc and a character poor product placing disc, the XYZ-axis walking module can drive the picking suction head to respectively pick out the pin poor product and the character poor product in the extraction disc to the pin poor product placing disc and the character poor product placing disc, and then the picking suction head is used for supplementing chips in the good product placing disc to the extraction disc for blanking; unloading mechanism includes the unloading conveyer belt and sets up at the terminal extraction dish collecting region of unloading conveyer belt, and extraction dish collecting region includes automatic re-setting buckle and sets up in extraction dish collecting region lower part and can the jacking module of jacking extraction dish, and automatic re-setting buckle can only make extraction dish from up piling up down promptly, can prevent extraction dish from last down falling, utilizes jacking module to take the dish jacking like this, then utilizes the unloading conveyer belt will take the dish to deliver to bottommost realization unloading. This scheme can automatic detection and go up unloading, and the automation mechanized operation is efficient.

Drawings

Fig. 1 is a schematic view of an overall structure of a chip appearance inspection apparatus according to the present invention;

fig. 2 is a schematic structural diagram of a feeding mechanism of a chip appearance inspection apparatus according to the present invention;

fig. 3 is a schematic structural diagram of a variable-pitch nozzle module of the chip appearance inspection apparatus according to the present invention;

fig. 4 is a schematic diagram of an overall structure of a chip appearance inspection apparatus according to the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 4;

fig. 6 is a schematic structural diagram of a blanking mechanism of a chip appearance inspection apparatus of the present invention.

In the figure: 1. a frame; 2. a feeding mechanism; 3. a pin detection mechanism; 4. a character detection mechanism; 5. a material picking mechanism; 6. a blanking mechanism; 7. a support frame; 8. extracting a plate; 9. a double-row conveyer belt; 10. a servo electric cylinder; 11. a blocking cylinder; 12. a variable pitch nozzle module; 13. a pin detection camera set; 14. a drive power source; 15. a variable pitch drive plate; 16. a linear guide post; 17. a suction nozzle; 18. a guide groove; 19. a guide bar; 20. a stopper; 21. a material pushing cylinder; 22. a push block; 23. a pneumatic claw; 24. a character detection camera; 25. an X-axis transport module; 26. a Y-axis walking module; 27. an XYZ-axis walking module; 28. blanking a conveying belt; 29. placing a good product on a tray; 30. a poor pin placing disc; 31. a bad character placing tray; 32. automatic reset buckle.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, a chip appearance detection device comprises a frame 1, wherein a feeding mechanism 2, a pin detection mechanism 3, a character detection mechanism 4, a material picking mechanism 5 and a discharging mechanism 6 are arranged on the frame 1, the feeding mechanism 2 comprises a support frame 7 arranged on the frame 1, a lifting module capable of driving a plurality of stacked extraction trays 8 to lift and a blocking module capable of clamping or loosening two sides of the extraction trays 8 are arranged on the support frame 7, the lifting module can drive the extraction trays 8 to enter a double-row conveying belt 9 below the extraction trays 8, and a plurality of chips to be detected are arranged in each extraction tray 8 in an array manner; the pin detection mechanism 3 comprises a variable-pitch suction nozzle module 12 and a pin detection camera set 13, the variable-pitch suction nozzle module 12 comprises a plurality of suction nozzles 17 arranged side by side, and an air claw 23 capable of fixing the extraction disc 8 is arranged on the double-row conveying belt 9; the character detection mechanism 4 comprises an X-axis conveying module 25 capable of clamping the extraction disc 8 and a Y-axis walking module 26 carrying a character detection camera 24; the material picking mechanism 5 comprises an XYZ-axis walking module 27 connected with a material picking suction head, a blanking conveying belt communicated with the X-axis conveying module 25 and an extraction disc placing area, wherein the extraction disc placing area comprises a good product placing disc 29, a stitch poor placing disc 30 and a character poor placing disc 31; unloading mechanism 6 includes unloading conveyer belt 28 and sets up the extraction dish collecting region at unloading conveyer belt 28 end, extraction dish collecting region includes automatic re-setting buckle 32 and sets up in extraction dish collecting region lower part and can lift up the jacking module of extraction dish 8.

The chip appearance detection equipment has the working process that the loading mechanism 2 drives the extraction disc 8 to the pin detection mechanism 3 for detection, chips on the double-row conveying belt 9 are sucked by the variable-distance suction nozzle 17 module 12 and sent to the pin detection camera set 13 for shooting detection and then sent back, the chips are sucked by the suction nozzles 17 simultaneously, eight chips are continuously shot, the chips are automatically put back to the original position after the shooting is finished, then the double-row conveying belt 9 moves forwards for a row of products, the steps are repeated until the chip detection of the whole disc is finished, the air claw 23 loosens the extraction disc 8, and the extraction disc 8 is sent to the next process by the double-row conveying belt 9; then the character detection mechanism 4 comprises an X-axis conveying module 25 capable of clamping the extraction disc 8 and a Y-axis walking module 26 carrying a character detection camera 24, and the Y-axis walking module 26 directly drives the character detection camera 24 to photograph and detect the chip on the X-axis conveying module 25; the material picking mechanism 5 comprises an XYZ-axis walking module 27 connected with a material picking suction head, a blanking conveyer belt 28 communicated with the X-axis conveying module 25 and an extraction disc placing area, the extraction disc placing area comprises a good product placing disc 29, a pin defect placing disc 30 and a character defect placing disc 31, the XYZ-axis walking module 27 can drive the material picking suction head to respectively pick out products with poor pins and poor characters in the extraction disc 8 to the pin defect placing disc 30 and the character defect placing disc 31, and then the material picking suction head is used for supplementing chips in the good product placing disc 29 to the extraction disc 8 for blanking; unloading mechanism 6 includes unloading conveyer belt 28 and sets up at the terminal extraction dish collecting region of unloading conveyer belt 28, extraction dish collecting region includes automatic re-setting buckle 32 and sets up in extraction dish collecting region lower part and can the jacking module of jacking extraction dish 8, automatic re-setting buckle 32 can only make extraction dish 8 from up piling up down, automatic re-setting buckle 32 is prior art's ripe accessory, can prevent extraction dish 8 from last down falling, utilize the jacking module to be taken 8 jacking of dish like this, then utilize unloading conveyer belt 28 will be taken dish 8 and deliver to bottommost realization unloading. This scheme can automatic detection and go up unloading, and the automation mechanized operation is efficient.

Preferably, the lifting module comprises a servo electric cylinder 10 and a top plate connected with the servo electric cylinder 10, the servo electric cylinder 10 is arranged in the middle of the double-row conveying belt 9, and the blocking module comprises a blocking air cylinder 11 which is arranged on the supporting frame 7 and can clamp the bottommost tray 8 on the double-row conveying belt 9. The servo electric cylinder 10 can stably and accurately run and the running distance is adjustable. When the plate is automatically separated, the servo electric cylinder 10 firstly rises to the position below the plate extraction 8 to support the plate extraction 8, the blocking cylinder 11 retracts, the servo electric cylinder 10 descends by the height of one plate extraction 8, the blocking cylinder 11 extends out, the servo electric cylinder 10 continuously descends to complete the plate separation action, the plate extraction 8 is placed on the double-row conveying belt 9 in the descending process of the servo electric cylinder 10, and the plate extraction 8 is conveyed to a specified position through the double-row conveying belt 9.

Preferably, the variable pitch suction nozzle 17 module 12 includes a driving power source 14, a variable pitch driving plate 15 connected to the driving power source 14, a linear guide post 16, and a row of suction nozzles 17 sleeved on the linear guide post 16, the variable pitch driving plate 15 is provided with a plurality of guide grooves 18, the distances between adjacent guide grooves 18 are the same in the same horizontal direction and gradually increase from bottom to top, and the suction nozzles 17 are provided with guide rods 19 inserted in the corresponding guide grooves 18. The driving power source 14 is a servo module, the variable-pitch driving plate 15 is driven by the servo module to move up and down, a plurality of guide grooves 18 with fixed angles are formed in the variable-pitch driving plate 15, and the suction nozzles 17 are synchronously adjusted to the required space by the guide grooves 18.

Preferably, the jacking module comprises a servo electric cylinder 10 and a jacking block connected with the servo electric cylinder 10.

Preferably, an aligning mechanism corresponding to the X-axis conveying module 25 is arranged on the blanking conveyer belt 28, the aligning mechanism includes a stopper 20 capable of abutting against the extraction disc 8 on the X-axis conveying module 25 and a material pushing cylinder 21 arranged opposite to the stopper 20, and the material pushing cylinder 21 is connected with a push block 22 with a V-shaped groove and capable of abutting against the corner of the extraction disc 8. The purpose of this is to enable the extraction tray 8 when blanking to be located at a designated position on the blanking conveyor belt 28, so that it can be more accurate when entering the extraction tray collection zone.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a chip outward appearance check out test set, includes the frame, its characterized in that: the device comprises a rack, and is characterized in that the rack is provided with a feeding mechanism, a pin detection mechanism, a character detection mechanism, a picking mechanism and a blanking mechanism, the feeding mechanism comprises a support frame arranged on the rack, the support frame is provided with a lifting module capable of driving a plurality of stacked extraction trays to lift and a blocking module capable of clamping or loosening two sides of the extraction trays, the lifting module can drive the extraction trays to enter a double-row conveying belt below the extraction trays, and a plurality of chips to be detected are arranged in each extraction tray in an array manner; the pin detection mechanism comprises a variable-pitch suction nozzle module and a pin detection camera set, the variable-pitch suction nozzle module comprises a plurality of suction nozzles arranged side by side, and the double-row conveyor belt is provided with an air claw capable of fixing the extraction disc; the character detection mechanism comprises an X-axis conveying module capable of clamping the extraction disc and a Y-axis walking module carrying a character detection camera; the picking mechanism comprises an XYZ-axis walking module connected with a picking suction head, a blanking conveying belt communicated with the X-axis conveying module and an extraction disc placing area, wherein the extraction disc placing area comprises a good product placing disc, a stitch poor placing disc and a character poor placing disc; unloading mechanism includes the unloading conveyer belt and sets up at the terminal extraction dish collecting region of unloading conveyer belt, extraction dish collecting region includes automatic re-setting buckle and sets up in extraction dish collecting region lower part and can the jacking module of jacking extraction dish.

2. The chip appearance inspection apparatus according to claim 1, wherein: the lifting module comprises a servo electric cylinder and a top plate connected with the servo electric cylinder, the servo electric cylinder is arranged in the middle of the double-row conveying belt, and the blocking module comprises a blocking cylinder which is arranged on the supporting frame and can clamp the bottommost extraction disc on the double-row conveying belt.

3. The chip appearance inspection apparatus according to claim 1, wherein: the variable-pitch suction nozzle module comprises a driving power source, a variable-pitch driving plate connected with the driving power source, a linear guide post and a row of suction nozzles sleeved on the linear guide post, wherein a plurality of guide grooves are formed in the variable-pitch driving plate, the distance between every two adjacent guide grooves is the same in the same horizontal direction and gradually increases from bottom to top, and guide rods inserted in the corresponding guide grooves are arranged on the suction nozzles.

4. The chip appearance inspection apparatus according to claim 1, wherein: the jacking module comprises a servo electric cylinder and a jacking block connected with the servo electric cylinder.

5. The chip appearance inspection apparatus according to claim 1, wherein: the blanking conveying belt is provided with an aligning mechanism corresponding to the X-axis conveying module, the aligning mechanism comprises a stop block capable of being abutted to the extracting disc on the X-axis conveying module and a material pushing cylinder arranged opposite to the stop block, and the material pushing cylinder is connected with a push block capable of being abutted to the corner of the extracting disc and provided with a V-shaped groove.