CN215678635U - Detection platform for DFN device - Google Patents
Detection platform for DFN device Download PDFInfo
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- CN215678635U CN215678635U CN202120358727.2U CN202120358727U CN215678635U CN 215678635 U CN215678635 U CN 215678635U CN 202120358727 U CN202120358727 U CN 202120358727U CN 215678635 U CN215678635 U CN 215678635U
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Abstract
The utility model discloses a detection platform for a DFN device, which comprises a substrate and a chip detection circuit board, wherein the chip detection circuit board is arranged at the top of the substrate through a screw, a stepping motor is arranged at the bottom of the substrate through a screw, the movable end of the stepping motor penetrates through the surface of the substrate and extends to the upper part of the substrate, the movable end of the stepping motor is fixedly provided with a fixed shaft through a coupler, the outer ring of a bearing is closely matched with the inner wall of a long strip plate, a conveying belt is closely sleeved between the surfaces of two rotating shafts, a first servo motor is arranged at the top of the substrate through a screw, one end of each of the two long strip plates extends to the lower part of a second supporting plate, and a material pushing mechanism is arranged on the side surface of one of the second supporting plates in a penetrating manner. The utility model not only saves manpower, but also obviously improves the detection efficiency and the position precision of the chip loaded on the detection circuit board, thereby ensuring the detection accuracy and avoiding false detection.
Description
Technical Field
The utility model relates to the technical field of chip detection, in particular to a detection platform for a DFN device.
Background
When detecting semiconductor chip, need artifical manual taking the chip and insert in the jack that is used for detecting the circuit board of chip, be connected the circuit board again with testing platform and carry out the circular telegram test, if adopt foretell manual operation chip's mode, because the manual work produces the error easily when the operation for the chip pegs graft the offset in the jack, reduce the stability that the chip detected, simultaneously, the manual operation chip still greatly reduced circular telegram work efficiency, and then reduced the detection efficiency of chip.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the detection platform for the DFN device, which not only saves manpower, but also obviously improves the detection efficiency and the position precision of the chip loaded on the detection circuit board, thereby ensuring the detection accuracy and avoiding false detection.
In order to achieve the purpose, the utility model adopts the technical scheme that: a detection platform for a DFN device comprises a substrate and a chip detection circuit board, wherein the chip detection circuit board is mounted at the top of the substrate through screws, a stepping motor is mounted at the bottom of the substrate through screws, the movable end of the stepping motor penetrates through the surface of the substrate and extends to the upper side of the substrate, a fixed shaft is fixedly mounted at the movable end of the stepping motor through a shaft coupling, a first supporting plate is mounted at one end of the fixed shaft through screws, a plurality of mounting holes are formed in the surface of the first supporting plate, mounting rods are slidably inserted into the mounting holes, telescopic mechanisms are mounted at the top ends of the mounting rods, and clamping mechanisms are mounted at the bottom ends of the mounting rods through screws;
the clamping mechanism comprises a second supporting plate, the second supporting plate is installed at the bottom end of the installation rod through a screw, two clamping blocks which are arranged face to face are movably installed on the lower surface of the second supporting plate, and the two clamping blocks can move along the directions which are close to or far away from each other;
a second servo motor is mounted at the top of the second supporting plate through a screw, a mounting gear is mounted at the movable end of the second servo motor through a screw, a strip-shaped through hole is formed in the top of the second supporting plate, and the mounting gear is located above the strip-shaped through hole;
a second connecting plate and a first connecting plate are respectively arranged at the tops of the two clamping blocks through screws, one ends of the second connecting plate and the first connecting plate penetrate through the strip-shaped through holes and extend to the upper side of the second supporting plate, one ends of the second connecting plate and the first connecting plate are respectively provided with a first rack and a second rack through screws, and the first rack and the second rack are respectively meshed above and below the mounting gear;
feeding mechanism includes two rectangular boards, two the rectangular board passes through the screw symmetry and installs at the top of base plate, two all run through between the both ends of rectangular board and install the axis of rotation, two the equal close-fitting cover in both ends of axis of rotation is equipped with the bearing, the outer lane of bearing and the inner wall close-fitting installation of rectangular board, two the close-fitting cover is equipped with conveyor belt between the surface of axis of rotation, one of them the one end of axis of rotation is passed through the shaft coupling and is installed a servo motor, a servo motor passes through the mounting screw at the top of base plate, two the one end of rectangular board extends to the below of second backup pad, one of them the side of second backup pad is run through and is installed pushing equipment.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, an opening is formed in the side surface of the first connecting plate, the opening corresponds to the first rack in position, and the thickness of the first rack is smaller than that of the opening.
2. In the scheme, the top parts of the two long strip plates are provided with the baffle plates through screws.
3. In the above scheme, the top of the base plate is provided with the feeding mechanism corresponding to the position of the second supporting plate.
4. In the scheme, the side surface of the substrate is provided with the PLC controller through the screw.
5. In the above scheme, the PLC controller is connected to the stepping motor, the first servo motor, and the second servo motor through wires.
6. In the scheme, rubber pads are bonded on the opposite side surfaces between the two clamping blocks.
7. In the scheme, the anti-skid grains are arranged on the side faces opposite to each other between the two clamping blocks.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the detection platform for the DFN device, the clamping mechanism comprises the second supporting plate, the second supporting plate is mounted at the bottom end of the mounting rod through a screw, two clamping blocks which are arranged face to face are movably mounted on the lower surface of the second supporting plate, and the two clamping blocks can move in the directions close to or away from each other, so that the mounting rods can be conveniently moved above the feeding mechanism, the chip detection circuit board and the blanking port in a circulating mode in sequence, the chip is conveniently conveyed, manpower is saved, the detection efficiency and the position precision of the chip loaded on the detection circuit board are remarkably improved, the detection accuracy is guaranteed, and the false detection is avoided.
2. The utility model relates to a detection platform for DFN devices, which comprises a feeding mechanism and a feeding mechanism, wherein the feeding mechanism comprises two strip plates, the two strip plates are symmetrically arranged on the top of a base plate through screws, rotating shafts are respectively arranged between the two ends of the two strip plates in a penetrating manner, bearings are respectively and tightly sleeved at the two ends of the two rotating shafts, the outer rings of the bearings are tightly matched and arranged with the inner walls of the strip plates, a conveying belt is tightly sleeved between the surfaces of the two rotating shafts, one end of one rotating shaft is provided with a first servo motor through a coupler, the first servo motor is arranged on the top of the base plate through a screw, one ends of the two strip plates extend to the lower part of a second supporting plate, the side surface of one second supporting plate is provided with a material pushing mechanism in a penetrating manner, the conveying belt is driven to rotate through the two rotating shafts, chips on the conveying belt are moved to the lower part of the second supporting plate, the feeding manpower can be saved, the feeding continuity can be ensured, and the convenience and the effect of chip conveying are further improved.
Drawings
FIG. 1 is a schematic structural diagram of a detection platform for a DFN device of the present invention;
FIG. 2 is a schematic diagram of a partial structure of a detection platform for a DFN device;
FIG. 3 is a schematic diagram of a second partial structure of the detection platform for the DFN device of the present invention.
In the above drawings: 1. mounting a rod; 2. a first support plate; 4. a substrate; 6. a fixed shaft; 7. a stepping motor; 8. a baffle plate; 9. a strip plate; 10. a first servo motor; 11. a PLC controller; 13. a conveyor belt; 17. a second support plate; 18. a second servo motor; 19. a chip detection circuit board; 23. a clamping block; 24. a strip-shaped through hole; 25. a second connecting plate; 26. an opening; 27. a first connecting plate; 29. a first rack; 30. a second rack; 31. mounting a gear; 37. a bearing; 38. and rotating the shaft.
Detailed Description
Example 1: a detection platform for a DFN device comprises a substrate 4 and a chip detection circuit board 19, wherein the chip detection circuit board 19 is installed at the top of the substrate 4 through screws, a stepping motor 7 is installed at the bottom of the substrate 4 through screws, the movable end of the stepping motor 7 penetrates through the surface of the substrate 4 and extends to the upper side of the substrate 4, a fixed shaft 6 is fixedly installed at the movable end of the stepping motor 7 through a coupler, a first supporting plate 2 is installed at one end of the fixed shaft 6 through screws, a plurality of mounting holes are formed in the surface of the first supporting plate 2, mounting rods 1 are slidably inserted into the mounting holes, a telescopic mechanism is installed at the top ends of the mounting rods 1, and a clamping mechanism is installed at the bottom ends of the mounting rods 1 through screws;
the clamping mechanism comprises a second supporting plate 17, the second supporting plate 17 is installed at the bottom end of the installation rod 1 through a screw, two clamping blocks 23 arranged face to face are movably installed on the lower surface of the second supporting plate 17, and the two clamping blocks 23 can move along the directions close to or far away from each other;
a second servo motor 18 is mounted at the top of the second support plate 17 through a screw, a mounting gear 31 is mounted at the movable end of the second servo motor 18 through a screw, a strip-shaped through hole 24 is formed in the top of the second support plate 17, and the mounting gear 31 is located above the strip-shaped through hole 24;
a second connecting plate 25 and a first connecting plate 27 are respectively installed on the tops of the two clamping blocks 23 through screws, one ends of the second connecting plate 25 and the first connecting plate 27 penetrate through the strip-shaped through holes 24 and extend to the upper side of the second supporting plate 17, one ends of the second connecting plate 25 and the first connecting plate 27 are respectively installed with a first rack 29 and a second rack 30 through screws, and the first rack 29 and the second rack 30 are respectively meshed with the upper side and the lower side of the installation gear 31;
feeding mechanism includes two rectangular board 9, two rectangular board 9 passes through the screw symmetry and installs at the top of base plate 4, two all run through between rectangular board 9's the both ends and install axis of rotation 38, two the equal close-fitting cover in both ends of axis of rotation 38 is equipped with bearing 37, bearing 37's outer lane and rectangular board 9's inner wall close-fitting installation, two close-fitting cover is equipped with conveyor belt 13, one of them between axis of rotation 38's the surface close-fitting cover install first servo motor 10 through the shaft coupling rotation 38's one end, first servo motor 10 passes through the mounting screw at the top of base plate 4, two rectangular board 9's one end extends to the below of second backup pad 17, one of them the side of second backup pad 17 runs through and installs pushing equipment.
An opening 26 is formed on the side surface of the first connecting plate 27, the opening 26 corresponds to the position of a first rack 29, and the thickness of the first rack 29 is smaller than that of the opening 26; the tops of the two long strip plates 9 are provided with baffle plates 8 through screws; the top of the base plate 4 is provided with a feeding mechanism corresponding to the position of the second supporting plate 17.
Example 2: a detection platform for a DFN device comprises a substrate 4 and a chip detection circuit board 19, wherein the chip detection circuit board 19 is installed at the top of the substrate 4 through screws, a stepping motor 7 is installed at the bottom of the substrate 4 through screws, the movable end of the stepping motor 7 penetrates through the surface of the substrate 4 and extends to the upper side of the substrate 4, a fixed shaft 6 is fixedly installed at the movable end of the stepping motor 7 through a coupler, a first supporting plate 2 is installed at one end of the fixed shaft 6 through screws, a plurality of mounting holes are formed in the surface of the first supporting plate 2, mounting rods 1 are slidably inserted into the mounting holes, a telescopic mechanism is installed at the top ends of the mounting rods 1, and a clamping mechanism is installed at the bottom ends of the mounting rods 1 through screws;
the clamping mechanism comprises a second supporting plate 17, the second supporting plate 17 is installed at the bottom end of the installation rod 1 through a screw, two clamping blocks 23 arranged face to face are movably installed on the lower surface of the second supporting plate 17, and the two clamping blocks 23 can move along the directions close to or far away from each other;
a second servo motor 18 is mounted at the top of the second support plate 17 through a screw, a mounting gear 31 is mounted at the movable end of the second servo motor 18 through a screw, a strip-shaped through hole 24 is formed in the top of the second support plate 17, and the mounting gear 31 is located above the strip-shaped through hole 24;
a second connecting plate 25 and a first connecting plate 27 are respectively installed on the tops of the two clamping blocks 23 through screws, one ends of the second connecting plate 25 and the first connecting plate 27 penetrate through the strip-shaped through holes 24 and extend to the upper side of the second supporting plate 17, one ends of the second connecting plate 25 and the first connecting plate 27 are respectively installed with a first rack 29 and a second rack 30 through screws, and the first rack 29 and the second rack 30 are respectively meshed with the upper side and the lower side of the installation gear 31;
feeding mechanism includes two rectangular board 9, two rectangular board 9 passes through the screw symmetry and installs at the top of base plate 4, two all run through between rectangular board 9's the both ends and install axis of rotation 38, two the equal close-fitting cover in both ends of axis of rotation 38 is equipped with bearing 37, bearing 37's outer lane and rectangular board 9's inner wall close-fitting installation, two close-fitting cover is equipped with conveyor belt 13, one of them between axis of rotation 38's the surface close-fitting cover install first servo motor 10 through the shaft coupling rotation 38's one end, first servo motor 10 passes through the mounting screw at the top of base plate 4, two rectangular board 9's one end extends to the below of second backup pad 17, one of them the side of second backup pad 17 runs through and installs pushing equipment.
A PLC (programmable logic controller) 11 is installed on the side surface of the substrate 4 through a screw; the PLC 11 is respectively connected with the stepping motor 7, the first servo motor 10 and the second servo motor 18 through leads; rubber pads are bonded on the opposite side surfaces between the two clamping blocks 23; the side surfaces opposite to each other between the two clamping blocks 23 are provided with anti-skid grains.
When the detection platform for the DFN device is adopted, the installation rods can be conveniently and circularly moved to the positions above the feeding mechanism, the chip detection circuit board and the blanking port in sequence, so that the chip can be conveniently conveyed, the labor is saved, the detection efficiency and the position precision of the chip loaded on the detection circuit board are obviously improved, the detection accuracy is ensured, and the false detection is avoided;
in addition, the first rack and the second rack are driven by the gear to synchronously move relatively or oppositely, so that the distance between the two clamping blocks is adjusted, and the chips with different sizes are conveniently clamped, fixed, moved and transferred; in addition, it drives conveyor belt through two axis of rotation and rotates, removes the below of second backup pad with the chip on the conveyor belt, can enough save the material loading manpower, can guarantee the continuity of material loading again, and then improves the convenience and the effect that the chip carried.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a DFN is testing platform for device, includes base plate (4) and chip detection circuit board (19), chip detection circuit board (19) pass through the top of mounting screw at base plate (4), its characterized in that: the bottom of the base plate (4) is provided with a stepping motor (7) through a screw, the movable end of the stepping motor (7) penetrates through the surface of the base plate (4) and extends to the upper side of the base plate (4), the movable end of the stepping motor (7) is fixedly provided with a fixed shaft (6) through a coupler, one end of the fixed shaft (6) is provided with a first supporting plate (2) through a screw, the surface of the first supporting plate (2) is provided with a plurality of mounting holes, mounting rods (1) are slidably inserted into the mounting holes, the top ends of the mounting rods (1) are provided with telescopic mechanisms, and the bottom ends of the mounting rods (1) are provided with clamping mechanisms through screws;
the clamping mechanism comprises a second supporting plate (17), the second supporting plate (17) is mounted at the bottom end of the mounting rod (1) through a screw, two clamping blocks (23) which are arranged face to face are movably mounted on the lower surface of the second supporting plate (17), and the two clamping blocks (23) can move along the directions which are close to or far away from each other;
a second servo motor (18) is mounted at the top of the second supporting plate (17) through a screw, a mounting gear (31) is mounted at the movable end of the second servo motor (18) through a screw, a strip-shaped through hole (24) is formed in the top of the second supporting plate (17), and the mounting gear (31) is located above the strip-shaped through hole (24);
the tops of the two clamping blocks (23) are respectively provided with a second connecting plate (25) and a first connecting plate (27) through screws, one ends of the second connecting plate (25) and the first connecting plate (27) penetrate through the strip-shaped through hole (24) and extend to the upper side of the second supporting plate (17), one ends of the second connecting plate (25) and the first connecting plate (27) are respectively provided with a first rack (29) and a second rack (30) through screws, and the first rack (29) and the second rack (30) are respectively meshed with the upper side and the lower side of the mounting gear (31);
the top of base plate (4) is equipped with the feeding mechanism who corresponds with second backup pad (17) position, feeding mechanism includes two rectangular board (9), two rectangular board (9) are installed at the top of base plate (4) through the screw symmetry, two all run through between the both ends of rectangular board (9) and install axis of rotation (38), two the equal close-fitting cover in both ends of axis of rotation (38) is equipped with bearing (37), the outer lane of bearing (37) and the inner wall close-fitting installation of rectangular board (9), two the close-fitting cover is equipped with conveyor belt (13) between the surface of axis of rotation (38), one of them first servo motor (10) is installed through the shaft coupling to the one end of axis of rotation (38), first servo motor (10) are through the mounting screw at the top of base plate (4), two the one end of rectangular board (9) extends to the below of second backup pad (17), and a material pushing mechanism is arranged on the side surface of one second supporting plate (17) in a penetrating way.
2. The inspection platform for DFN devices of claim 1, wherein: an opening (26) is formed in the side face of the first connecting plate (27), the opening (26) corresponds to the first rack (29), and the thickness of the first rack (29) is smaller than that of the opening (26).
3. The inspection platform for DFN devices of claim 1, wherein: the tops of the two long strip plates (9) are provided with baffle plates (8) through screws.
4. The DFN device inspection platform of claim 1, wherein: and a PLC (programmable logic controller) (11) is installed on the side surface of the base plate (4) through a screw.
5. The DFN device inspection platform of claim 4, wherein: the PLC (11) is respectively connected with the stepping motor (7), the first servo motor (10) and the second servo motor (18) through leads.
6. The inspection platform for DFN devices of claim 1, wherein: rubber pads are bonded on the opposite side surfaces between the two clamping blocks (23).
7. The inspection platform for DFN devices of claim 1, wherein: the side surfaces opposite to each other between the two clamping blocks (23) are provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358727.2U CN215678635U (en) | 2021-02-09 | 2021-02-09 | Detection platform for DFN device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358727.2U CN215678635U (en) | 2021-02-09 | 2021-02-09 | Detection platform for DFN device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215678635U true CN215678635U (en) | 2022-01-28 |
Family
ID=79968835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120358727.2U Active CN215678635U (en) | 2021-02-09 | 2021-02-09 | Detection platform for DFN device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215678635U (en) |
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2021
- 2021-02-09 CN CN202120358727.2U patent/CN215678635U/en active Active
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