CN211100225U - Character recognition device for chip testing sorting machine - Google Patents
Character recognition device for chip testing sorting machine Download PDFInfo
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- CN211100225U CN211100225U CN201921565054.7U CN201921565054U CN211100225U CN 211100225 U CN211100225 U CN 211100225U CN 201921565054 U CN201921565054 U CN 201921565054U CN 211100225 U CN211100225 U CN 211100225U
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Abstract
The utility model relates to the technical field of detection equipment, and discloses a character recognition device for a chip testing and sorting machine, which comprises a detection mechanism and a conveying mechanism, wherein the detection mechanism comprises a recognition camera, an annular light source, a lifting rod, a first lifting structure and a second lifting structure, the recognition camera is arranged on the first lifting structure, the annular light source is arranged on the second lifting structure, the first lifting structure and the second lifting structure are respectively connected with the lifting rod, the recognition camera is positioned above the annular light source, the conveying mechanism is used for conveying chips, the chips in the conveying process are detected by using the detection structure, the whole detection or the check detection of the chips can be realized, the position of the recognition camera is adjusted by the first lifting structure, the position of the annular light source is adjusted by the second lifting structure, the accurate focusing of the chips is realized, and the character recognition detection work can be automatically carried out in the conveying process of the chips, the detection efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to a check out test set technical field especially relates to a character recognition device for chip test sorter.
Background
At present, the material grabbing and placing steps generally exist in the production process of various small regular materials such as IC chips, tablets, hardware and the like, and in the production and processing process of various small materials with regular shapes, the materials are often required to be accurately grabbed and placed from one position to another position, for example, a semiconductor chip is required to be grabbed from a matrix type material disc with one specification and accurately placed into a matrix type material disc with another specification in the production process; in the process of producing and packaging tablets, for example, the tablets are often required to be grabbed from a material disc with one specification and placed into a material sheet groove with another specification for packaging.
In the material grabbing and placing process, the situation of mixed batch mixing of chips often occurs, manual intervention can only be performed after manual detection at present, and the labor cost is extremely high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to realize automatic detection and identification in the production process of chips.
In order to solve the technical problem, the utility model provides a character recognition device for a chip testing and sorting machine, which comprises a detection mechanism and a conveying mechanism for conveying chips, wherein the detection mechanism is positioned above the conveying mechanism;
the detection mechanism comprises a recognition camera, an annular light source, a lifting rod, a first lifting structure and a second lifting structure, the recognition camera is arranged on the first lifting structure, the annular light source is arranged on the second lifting structure, the first lifting structure and the second lifting structure are respectively connected with the lifting rod, and the recognition camera is positioned above the annular light source.
Preferably, the first lifting structure comprises a camera base, a first adjusting assembly and a first positioning rod, the identification camera is connected with the camera base, the first adjusting assembly and the first positioning rod are arranged on the camera base, and the first adjusting assembly is connected with the lifting rod.
Preferably, the lifting rod is a threaded rod, the first adjusting assembly comprises a first lifting gear and a first adjusting gear, the first lifting gear is arranged on the camera base, the inner side of the first lifting gear is in threaded connection with the lifting rod, and the outer side of the first lifting gear is meshed with the first adjusting gear.
Preferably, the second lifting structure includes a light source mounting seat, a second adjusting assembly and a second positioning rod, the annular light source is connected to the light source mounting seat, the second adjusting assembly and the second positioning rod are disposed on the light source mounting seat, and the second adjusting assembly is connected to the lifting rod.
Preferably, the lifting rod is a threaded rod, the second adjusting assembly comprises a second lifting gear and a second adjusting gear, the second lifting gear is arranged on the light source mounting seat, the inner side of the second lifting gear is in threaded connection with the lifting rod, and the outer side of the second lifting gear is meshed with the second adjusting gear.
Preferably, the top end of the lifting rod is provided with a top plate, and the bottom end of the lifting rod is provided with a bottom plate.
Preferably, the conveying mechanism comprises a clamp for placing the chip, a slide block, a slide rail and a moving structure, the slide block is connected with the slide rail in a sliding manner, the clamp is arranged on the slide block, and the clamp is connected with the moving structure.
As the preferred scheme, the mobile structure comprises a driving piece, a synchronizing wheel, a synchronous belt and a connecting rod, wherein the power output end of the driving piece is connected with the synchronizing wheel, the synchronous belt is meshed with the synchronizing wheel, one end of the connecting rod is connected with the clamp, and the other end of the connecting rod is connected with the synchronizing wheel through a tooth-shaped fixing piece.
Preferably, the top surface of the clamp is provided with a positioning groove and a positioning pin for positioning the chip.
As a preferred scheme, the character recognition device further comprises a feeding stacking unit, a feeding conveying unit, a discharging stacking unit, a discharging conveying unit, a transferring unit and a hand grip unit, wherein one end of the transferring unit is connected with the feeding stacking unit through the feeding conveying unit, the other end of the transferring unit is connected with the discharging stacking unit through the discharging conveying unit, and the hand grip unit is located between the transferring unit and the conveying mechanism.
The embodiment of the utility model provides a character recognition device for chip testing sorter compares with prior art, and its beneficial effect lies in:
the embodiment of the utility model provides an in conveying mechanism is used for carrying the chip, utilizes detect the chip of structure detection in the transportation process, but the whole detection of reality chip or the spot check detection, wide in application, through first elevation structure along the lifter reciprocates, thereby adjusts the position of discernment camera, through second elevation structure along the lifter reciprocates, thereby adjusts annular light source's position realizes focusing the accuracy of chip, can carry out character recognition detection work in the transportation process of chip automatically, improves detection efficiency, greatly reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a detection mechanism in a character recognition device for a chip test handler according to a preferred embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a detection mechanism in a character recognition device for a chip test handler according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a conveying mechanism in a character recognition apparatus for a chip testing handler according to a preferred embodiment of the present invention.
Fig. 4 is a schematic plan view of a character recognition apparatus for a chip test handler according to a preferred embodiment of the present invention.
In the figure: 1. identifying a camera; 2. an annular light source; 3. a lifting rod; 4. a camera stand; 5. a first positioning rod; 6. a first lifting gear; 7. a first adjusting gear; 8. a light source mounting base; 9. a second positioning rod; 10. a second lifting gear; 11. a second adjusting gear; 12. a top plate; 13. a base plate; 14. a clamp; 15. a slider; 16. a slide rail; 17. a drive member; 18. a synchronizing wheel; 19. a synchronous belt; 20. a connecting rod; 21. a tooth-shaped fixing member; 22. cushion blocks; 23. a tensioning seat; 24. positioning a groove; 25. positioning pins; 26. a feeding stacking unit; 27. a feeding and conveying unit; 28. a blanking stack unit; 29. a blanking conveying unit; 30. a transfer unit; 31. a gripper unit; 32. a first adjustment handle; 33. a second adjustment handle.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "connected," "connected," and "fixed" used in the present invention should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 4, a preferred embodiment of the present invention provides a character recognition device for a chip testing and sorting machine, which includes a detection mechanism and a conveying mechanism for conveying chips, wherein the detection mechanism is located above the conveying mechanism;
detection mechanism includes discernment camera 1, annular light source 2, lifter 3, first elevation structure and second elevation structure, discernment camera 1 is located on the first elevation structure, annular light source 2 is located on the second elevation structure, first elevation structure with second elevation structure respectively with lifter 3 is connected, discernment camera 1 is located annular light source 2's top.
Based on the above-mentioned technical characteristics's a character recognition device for chip test sorter, conveying mechanism is used for carrying the chip, utilizes detect the structure and detect the chip in the transportation process, but the whole detection of reality chip or spot check detect, and have fly to shoot the mode of operation and the mode of operation of taking a still, and wide in application, through first elevation structure along lifter 3 reciprocates, thereby adjusts the position of discernment camera 1, through second elevation structure along lifter 3 reciprocates, thereby adjusts annular light source 2's position realizes focusing the accuracy of chip, can carry out character recognition detection work in the transportation process of chip voluntarily, improves detection efficiency, greatly reduced manufacturing cost.
The lifting device is characterized in that a guide rod (not shown in the attached drawing) parallel to the lifting rod 3 is further arranged, and the first lifting structure and the second lifting structure are respectively in sliding connection with the guide rod to play a guiding role, so that the first lifting structure and the second lifting structure can move up and down along the vertical guiding direction.
As shown in fig. 1 and fig. 2, in this embodiment, the first lifting structure includes a camera base 4, a first adjusting component and a first positioning rod 5, the recognition camera 1 is fixedly disposed on the camera base 4, the first adjusting component and the first positioning rod 5 are disposed on the camera base 4, the first adjusting component is connected to the lifting rod 3, the first positioning rod 5 is a screw rod, and the first positioning rod 5 is rotated to enable the first positioning rod 5 to abut against the lifting rod 3, so that the first lifting structure is positioned at a proper focusing position of the lifting rod 3. Further, the lifting rod 3 is a threaded rod, the first adjusting component comprises a first lifting gear 6 and a first adjusting gear 7 which are arranged on the camera base 4, the inner side of the first lifting gear 6 is in threaded connection with the lifting rod 3, the outer side of the first lifting gear 6 is meshed with the first adjusting gear 7, the outer side of the first lifting gear 6 and the first adjusting gear 7 are provided with meshed bevel gears, the axial direction of the first lifting gear 6 is perpendicular to the axial direction of the first adjusting gear 7, the first lifting gear 6 is driven to rotate when the first adjusting gear 7 is rotated, the first lifting gear 6 moves up and down along the lifting rod 3, the camera base 4 is driven to move up and down along the lifting rod 3, wherein the first adjusting gear 7 is provided with a first rotating handle 32, it rotates to be convenient for drive first adjusting gear 7, first elevating gear 6 and first adjusting gear 7 accessible axle sleeve are located on the camera frame 4, make first elevating gear 6 and first adjusting gear 7 can for camera frame 4 rotates.
In this embodiment, the second lifting structure includes a light source mounting seat 8, a second adjusting component and a second positioning rod 9, the annular light source 2 is fixedly disposed on the camera seat 4, the second adjusting component and the second positioning rod 9 are disposed on the light source mounting seat 8, the second adjusting component is connected to the lifting rod 3, the second positioning rod 9 is a screw rod, and the second positioning rod 9 is rotated to abut against the lifting rod 3, so that the second lifting structure is positioned at a proper focusing position of the lifting rod 3.
Further, the lifting rod 3 is a threaded rod, the second adjusting component includes a second lifting gear 10 and a second adjusting gear 11 which are arranged on the light source mounting seat 8, the inner side of the second lifting gear 10 is in threaded connection with the lifting rod 3, the outer side of the second lifting gear 10 is meshed with the second adjusting gear 11, the outer side of the second lifting gear 10 and the second adjusting gear 11 are provided with meshed bevel gears, the axial direction of the second lifting gear 10 is perpendicular to the axial direction of the second adjusting gear 11, when the second adjusting gear 11 is rotated, the second lifting gear 10 is driven to rotate, the second lifting gear 10 is driven to move up and down along the lifting rod 3, so as to drive the light source mounting seat 8 to move up and down along the lifting rod 3, wherein the second adjusting gear 11 is provided with a second rotating handle 33, be convenient for drive second adjusting gear 11 rotates, second lifting gear 10 and second adjusting gear 11 accessible axle sleeve are located on the light source mount pad 8 for second lifting gear 10 and second adjusting gear 11 can for light source mount pad 8 rotates.
In this embodiment, the top end of the lifting rod 3 is provided with a top plate 12 to prevent the first adjusting component from being separated from the lifting rod 3 when moving up and down, and the bottom end of the lifting rod 3 is provided with a bottom plate 13 for installation and fixation.
As shown in fig. 3, in this embodiment, the conveying mechanism includes a clamp 14 for placing the chip, a slider 15, a slide rail 16, and a moving structure, the slider 15 is connected to the slide rail 16 in a sliding manner, the clamp 14 is disposed on the slider 15, the clamp 14 is connected to the moving structure, and the slider 15 moves along the axial direction of the slide rail 16 under the driving of the moving structure, wherein a flying-shooting operation mode and a still-shooting operation mode of the chip are implemented by controlling a driving manner of the moving structure.
Concretely, the removal structure includes driving piece 17, synchronizing wheel 18, hold-in range 19 and connecting rod 20, driving piece 17 the power take off end with synchronizing wheel 18 is connected, hold-in range 19 with synchronizing wheel 18 meshes mutually, connecting rod 20 one end with anchor clamps 14 are connected, connecting rod 20 the other end with synchronizing wheel 18 is connected through profile of tooth mounting 21, through driving piece 17 drives synchronizing wheel 18 rotates, thereby drives hold-in range 19 rotates, through connecting rod 20 drives anchor clamps 14 along slide rail 16 removes, synchronizing wheel 18's quantity has two, hold-in range 19 is connected in two between synchronizing wheel 18, driving piece 17 is servo motor.
Furthermore, a cushion block 22 is arranged between the clamp 14 and the sliding block 15, and a tensioning seat 23 for adjusting the position is arranged on the synchronous belt 19 far away from the driving piece 17.
In this embodiment, the top surface of the fixture 14 is provided with a positioning groove 24 for positioning the chip and a positioning pin 25, the chip is placed on the positioning groove 24, and the positioning pin 25 is used for matching and positioning.
As shown in fig. 4, in this embodiment, the character recognition device further includes a loading stacking unit 26, a loading conveying unit 27, a discharging stacking unit 28, a discharging conveying unit 29, a transferring unit 30, and a grasping unit 31, one end of the transferring unit 30 is connected to the loading stacking unit 26 through the loading conveying unit 27, the other end of the transferring unit 30 is connected to the discharging stacking unit 28 through the discharging conveying unit 29, the grasping unit 31 is located between the transferring unit 30 and the conveying mechanism, the loading stacking unit 26 and the loading conveying unit 27 realize a chip loading function, the unloading stacking unit 28 and the unloading conveying unit 29 realize a chip unloading function, and the grasping unit 31 grasps a chip from the transferring unit 30 to the conveying mechanism for detection, it can be understood that the feeding stacking unit 26, the feeding conveying unit 27, the discharging stacking unit 28, the discharging conveying unit 29, the transferring unit 30, and the grasping unit 31 all adopt the existing structure to realize the corresponding functions, and the specific structures thereof are not described herein again.
The working process of the invention is as follows: the position of the recognition camera 1 is adjusted through the first lifting structure, the position of the annular light source 2 is adjusted through the second lifting structure, the accurate focusing position of the recognition camera 1 is adjusted, a chip is placed on the clamp 14, under the driving of the driving piece 17, the clamp 14 is driven by the synchronous belt 19 to move along the guide rail in a linear mode, and the recognition camera 1 is used for shooting and detecting the chip. When the test platform is in a flying shooting working mode, the chip is directly conveyed to a test station from a feeding station without stopping for shooting detection; when the chip is in a still shooting working mode, the chip needs to stay for a short time at a test station for shooting detection. After the recognition camera 1 takes pictures, analyzing picture data by using software on the control equipment through an OCV character recognition technology, comparing the picture data with preset batch character information, and if the picture data are inconsistent with the preset batch character information, alarming to prompt the chip to be mixed, wherein the chip does not belong to the batch, and a worker needs to deal with the problem; if the two are consistent, the chip detection work is continued.
The embodiment of the utility model provides a character recognition device for chip testing sorter has following characteristics: (1) the chip can be completely detected, and partial sampling detection of the chip can be realized, so that the diversified requirements of customers can be better met; (2) the chips can be photographed and read one by one, and the character recognition accuracy is high; (3) the detection speed is high, and avoidance movement is not required to be executed in the detection process; (4) the method comprises two working modes, namely a flying shooting working mode and a still shooting working mode; (5) the height adjustment of the recognition camera 1 is realized through the first lifting structure, and the height adjustment of the annular light source 2 is realized through the second lifting structure; (6) through conveying mechanism can adjust the conveying speed of chip, realizes accurate positioning effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The character recognition device for the chip testing and sorting machine is characterized by comprising a detection mechanism and a conveying mechanism for conveying chips, wherein the detection mechanism is positioned above the conveying mechanism;
the detection mechanism comprises a recognition camera, an annular light source, a lifting rod, a first lifting structure and a second lifting structure, the recognition camera is arranged on the first lifting structure, the annular light source is arranged on the second lifting structure, the first lifting structure and the second lifting structure are respectively connected with the lifting rod, and the recognition camera is positioned above the annular light source.
2. The character recognition apparatus for a chip testing handler of claim 1, wherein the first elevating structure includes a camera base, a first adjusting assembly and a first positioning rod, the recognition camera is connected to the camera base, the first adjusting assembly and the first positioning rod are disposed on the camera base, and the first adjusting assembly is connected to the elevating rod.
3. The character recognition apparatus for a chip testing handler of claim 2, wherein the lifting rod is a threaded rod, the first adjustment assembly includes a first lifting gear and a first adjustment gear provided on the camera base, an inner side of the first lifting gear is threadedly connected to the lifting rod, and an outer side of the first lifting gear is engaged with the first adjustment gear.
4. The character recognition apparatus for a chip testing handler of claim 1, wherein the second elevating structure includes a light source mounting base, a second adjustment assembly and a second positioning rod, the ring light source is connected to the light source mounting base, the second adjustment assembly and the second positioning rod are disposed on the light source mounting base, and the second adjustment assembly is connected to the elevating rod.
5. The character recognition apparatus for a chip testing handler of claim 4, wherein the lifting rod is a threaded rod, the second adjustment assembly includes a second lifting gear and a second adjustment gear provided on the light source mounting base, an inner side of the second lifting gear is threadedly connected to the lifting rod, and an outer side of the second lifting gear is engaged with the second adjustment gear.
6. The character recognition apparatus for a chip testing handler of claim 1, wherein the top end of the lift lever is provided with a top plate, and the bottom end of the lift lever is provided with a bottom plate.
7. The character recognition device for the chip testing handler of claim 1, wherein the conveying mechanism includes a jig for placing the chip, a slider, a slide rail, and a moving structure, the slider is slidably connected to the slide rail, the jig is disposed on the slider, and the jig is connected to the moving structure.
8. The character recognition apparatus for a chip testing handler of claim 7, wherein the moving structure comprises a driving member, a synchronizing wheel, a synchronizing belt, and a connecting rod, wherein a power output end of the driving member is connected to the synchronizing wheel, the synchronizing belt is engaged with the synchronizing wheel, one end of the connecting rod is connected to the jig, and the other end of the connecting rod is connected to the synchronizing wheel through a tooth-shaped fixing member.
9. The character recognition apparatus for a chip testing handler of claim 7, wherein the top surface of the jig is provided with a positioning groove for positioning the chip and a positioning pin.
10. The character recognition device for the chip testing handler of any one of claims 1 to 9, further comprising a feeding stacking unit, a feeding conveying unit, a discharging stacking unit, a discharging conveying unit, a transferring unit, and a gripper unit, wherein one end of the transferring unit is connected to the feeding stacking unit through the feeding conveying unit, the other end of the transferring unit is connected to the discharging stacking unit through the discharging conveying unit, and the gripper unit is located between the transferring unit and the conveying mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921565054.7U CN211100225U (en) | 2019-09-19 | 2019-09-19 | Character recognition device for chip testing sorting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921565054.7U CN211100225U (en) | 2019-09-19 | 2019-09-19 | Character recognition device for chip testing sorting machine |
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| CN211100225U true CN211100225U (en) | 2020-07-28 |
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| CN201921565054.7U Active CN211100225U (en) | 2019-09-19 | 2019-09-19 | Character recognition device for chip testing sorting machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433068A (en) * | 2021-07-02 | 2021-09-24 | 合肥图迅电子科技有限公司 | Detection device for detecting chip characters covered by film |
| CN114146949A (en) * | 2021-12-20 | 2022-03-08 | 苏州肯美特设备集成有限公司 | Sorting device for semiconductor optical detection equipment |
| CN114187596A (en) * | 2022-02-15 | 2022-03-15 | 成都爱旗科技有限公司 | Chip surface character detection system |
-
2019
- 2019-09-19 CN CN201921565054.7U patent/CN211100225U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433068A (en) * | 2021-07-02 | 2021-09-24 | 合肥图迅电子科技有限公司 | Detection device for detecting chip characters covered by film |
| CN114146949A (en) * | 2021-12-20 | 2022-03-08 | 苏州肯美特设备集成有限公司 | Sorting device for semiconductor optical detection equipment |
| CN114146949B (en) * | 2021-12-20 | 2024-04-12 | 苏州肯美特设备集成股份有限公司 | Sorting device for semiconductor optical detection equipment |
| CN114187596A (en) * | 2022-02-15 | 2022-03-15 | 成都爱旗科技有限公司 | Chip surface character detection system |
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Effective date of registration: 20221228 Address after: 518000 1st to 3rd floors of phase II plant of Granda equipment Industrial Park, 33 Cuijing Road, Zhukeng community, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Gexin integrated circuit equipment Co.,Ltd. Address before: 518118 Granda equipment Industrial Park, 33 Cuijing Road, big industrial zone, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GRAND INTELLIGENT EQUIPMENT Co.,Ltd. |