CN216082541U - Visual inspection device for appearance quality of lead frame - Google Patents
Visual inspection device for appearance quality of lead frame Download PDFInfo
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- CN216082541U CN216082541U CN202122663494.XU CN202122663494U CN216082541U CN 216082541 U CN216082541 U CN 216082541U CN 202122663494 U CN202122663494 U CN 202122663494U CN 216082541 U CN216082541 U CN 216082541U
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- rack
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Abstract
The application discloses a visual inspection device for appearance quality of a lead frame, which comprises a rack, a lifting frame and a driving mechanism; the four supporting legs are fixedly arranged on the rack, the lifting frame is arranged on the rack in a sliding manner, and a plurality of universal wheels are arranged on the lifting frame; the driving mechanism is arranged on the rack and used for driving the lifting frame to lift. This application has improved staff's transport detection device's efficiency.
Description
Technical Field
The application relates to the field of semiconductors, in particular to a visual inspection device for appearance quality of a lead frame.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a lead-out end of an internal circuit of a chip and an external lead by means of a bonding material and forming an electrical circuit, and the appearance quality of the lead frame is an important parameter of the lead frame.
The frame electroplating quality detection device comprises a rack, wherein a feeding and discharging module, a fixed-point conveying module and a detection module are sequentially arranged on the rack, four universal wheels are installed at the bottom of the rack, and four foot cups are also installed at the bottom of the rack. The universal wheel at the bottom of the rack increases the convenience for carrying the detection device by workers.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the staff need upwards lift detection device at transport detection device's in-process to make the bottom of foot cup be located the top on ground, then through four foot cups of rotation, thereby reduce the supporting role of four foot cups to the frame, so that after four universal wheels realized stable support to the frame, could promote the frame, thereby realize the transport to detection device, whole transport detection device's inefficiency.
SUMMERY OF THE UTILITY MODEL
In order to improve staff's transport detection device's efficiency, this application provides a lead frame appearance quality visual detection device.
The application provides a lead frame appearance quality visual inspection device adopts following technical scheme:
a visual inspection device for appearance quality of a lead frame comprises a rack, a lifting frame and a driving mechanism; the four supporting legs are fixedly arranged on the rack, the lifting frame is arranged on the rack in a sliding manner, and a plurality of universal wheels are arranged on the lifting frame; the driving mechanism is arranged on the rack and used for driving the lifting frame to lift.
Through adopting above-mentioned technical scheme, when the staff need carry detection device, descend through actuating mechanism drive crane, the crane drives four universal wheels simultaneously and descends to make four universal wheel's the minimum descend to the below of supporting legs bottom, the staff promotes the frame, and the frame drives four universal wheels and rolls on ground, thereby realizes the transport to detection device, has improved staff transport detection device's efficiency.
Optionally, the lifting frame comprises a lifting plate, and a plurality of universal wheels are fixed on the lifting plate; the four supporting legs penetrate through the lifting plate, and the lifting plate is matched with the four supporting legs in a sliding mode.
Through adopting above-mentioned technical scheme, the lifter plate is at the in-process that goes up and down, and four supporting legss all have the guide effect to the lifter plate, have increased the stability that the lifter plate goes up and down.
Optionally, the lifting frame further comprises a lifting block, and the lifting block is fixed on the lifting plate; the driving mechanism comprises a supporting block, an air cylinder and a driving inclined block; the supporting block is fixed on the rack, the air cylinder is fixed on the supporting block, and a piston rod of the air cylinder is fixedly connected with the driving inclined block; the lifting block is provided with a driving chute, and the driving chute is matched with the driving chute in a sliding manner.
Through adopting above-mentioned technical scheme, the gliding in-process of cylinder drive piston rod orientation direction near the elevator, the piston rod drives the direction that the drive sloping block orientation is close to the elevator and slides, pushes down the elevator when the drive sloping block slides in the drive chute to make the elevator slide down, the elevator drives the lifter plate and descends, the lifter plate drives a plurality of universal wheels simultaneously and descends, so that the minimum of a plurality of universal wheels descends to the below of supporting legs bottom.
Optionally, a guide rod is fixedly arranged on the rack, a guide groove is formed in the driving oblique block, the guide rod penetrates through the guide groove, and the driving oblique block is matched with the guide rod in a sliding mode.
Through adopting above-mentioned technical scheme, the guide bar has the guide effect to the drive sloping block to make the drive sloping block slide along the length direction of guide bar, increased the gliding stability of drive sloping block.
Optionally, still include a plurality of springs, it is a plurality of the top of spring all with frame fixed connection, it is a plurality of the bottom of spring all with lifter plate fixed connection.
By adopting the technical scheme, when the lowest points of the universal wheels are positioned below the bottom ends of the supporting legs, the springs are in a stretching state, and the springs simultaneously exert upward pulling force on the lifting plate; when the cylinder drives the piston rod to shorten, the piston rod drives the drive sloping block to slide towards the direction close to the cylinder, the lifting block rises under the tensile force effect of a plurality of springs, the lifting block drives the lifting plate to rise, the lifting plate drives a plurality of universal wheels to rise simultaneously, so that the lowest point of a plurality of universal wheels rises to the top of the bottom end of the supporting leg, and the four supporting legs are used for realizing stable support to the rack.
Optionally, the bottom end of the lifting plate is fixedly provided with an anti-falling block.
Through adopting above-mentioned technical scheme, the lifter plate is at the in-process of lapse, and when the lower surface butt of lifter plate in the upper surface of anticreep piece, the anticreep piece has the effect of blockking to the lifter plate to make the lifter plate can't continue the lapse.
Optionally, a fixing portion is fixedly arranged on the supporting block, a bolt penetrates through the fixing portion, and the bolt is in threaded fit with the rack.
Through adopting above-mentioned technical scheme, the staff is fixed in the frame with the fixed part through the bolt on to be fixed in the frame with the supporting shoe on, increased the convenience of staff's installation and dismantlement supporting shoe.
Optionally, the guide rod is in the shape of a dovetail strip, and the guide groove is a dovetail groove.
Through adopting above-mentioned technical scheme, the gliding in-process of drive sloping block along the length direction of guide bar because the shape of guide bar is the dovetail, and the guide way is the dovetail, therefore the guide bar has ascending bearing effect to the drive sloping block, has further increased the gliding stability of drive sloping block.
In summary, the present application includes at least one of the following beneficial technical effects:
when a worker needs to carry the detection device, the lifting frame is driven to descend by the driving mechanism, the lifting frame simultaneously drives the four universal wheels to descend, so that the lowest points of the four universal wheels descend below the bottom ends of the supporting legs, the worker pushes the rack, and the rack drives the four universal wheels to roll on the ground, so that the detection device is carried, and the efficiency of carrying the detection device by the worker is improved;
in the lifting process of the lifting plate, the four supporting legs have a guiding effect on the lifting plate, so that the lifting stability of the lifting plate is improved;
the gliding in-process of cylinder drive piston rod orientation direction near the elevator, the piston rod drives the direction that the elevator is close to the drive sloping block orientation and slides, and the drive sloping block extrudees the elevator downwards when sliding in the drive chute to make the elevator slide down, the elevator drives the lifter plate and descends, and the lifter plate drives a plurality of universal wheels simultaneously and descends, so that the minimum of a plurality of universal wheels descends to the below of supporting legs bottom.
Drawings
Fig. 1 is a schematic structural diagram of a visual inspection device for quality of appearance of a lead frame in an embodiment of the present application.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a half-sectional view of a visual inspection device for quality of appearance of a lead frame in an embodiment of the present application.
Description of reference numerals:
1. a frame; 11. supporting legs; 12. an anti-drop block; 13. a guide bar; 2. a lifting frame; 21. a lifting plate; 22. a lifting block; 221. driving the chute; 3. a drive mechanism; 31. a support block; 311. a fixed part; 32. a cylinder; 33. driving the swash block; 331. a guide groove; 4. a universal wheel; 5. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The visual inspection device for the appearance quality of the lead frame, referring to fig. 1 and 2, comprises a rack 1, a lifting frame 2 and a driving mechanism 3. The lower surface integrated into one piece of frame 1 has four supporting legss 11, and crane 2 slides and sets up in frame 1, installs a plurality of universal wheels 4 on the crane 2. The driving mechanism 3 is arranged on the machine frame 1, and the driving mechanism 3 is used for driving the lifting frame 2 to lift. When the staff need carry detection device, through 3 drive crane 2 descendants of actuating mechanism, crane 2 drives a plurality of universal wheels 4 descendants simultaneously to the below of making a plurality of universal wheels 4's minimum descend to four supporting legss 11 bottoms has increased staff's transport detection device's convenience.
Referring to fig. 1, the lifting frame 2 includes a lifting block 22 and a lifting plate 21 which are integrally formed, and the lifting block 22 is located on the upper surface of the lifting plate 21. The driving mechanism 3 is used for driving the lifting block 22 to lift, so as to drive the lifting plate 21 to lift. Four supporting legs 11 of frame 1 lower surface all pass lifter plate 21, and lifter plate 21 and four supporting legs 11 are the cooperation of sliding, have increased the stability that lifter plate 21 goes up and down.
With continued reference to fig. 1, the bottom ends of the four support legs 11 are integrally formed with the retaining block 12, and the shape of the retaining block 12 is not particularly limited. In this embodiment, the supporting leg 11 and the anti-drop block 12 are both cylindrical, and the diameter of the anti-drop block 12 is larger than that of the supporting leg 11. When the lower surface of the lifting plate 21 abuts against the upper surface of the anti-drop block 12, the four anti-drop blocks 12 all have a blocking effect on the lifting plate 21, so that the descending distance of the lifting plate 21 is limited.
Referring to fig. 2 and 3, the driving mechanism 3 includes a supporting block 31, a cylinder 32, and a driving inclined block 33, fixing portions 311 are integrally formed on two opposite sidewalls of the supporting block 31, and upper surfaces of the two fixing portions 311 abut against a lower surface of the frame 1. Bolts are penetrated through each fixing portion 311, and each bolt is in threaded fit with the rack 1, so that the support block 31 is fixed to the lower surface of the rack 1. The cylinder 32 is fixed on the side wall of the supporting block 31 close to the lifting block 22, the piston rod of the cylinder 32 is fixedly connected with the driving inclined block 33, and the section of the driving inclined block 33 is trapezoidal. The upper surface of the lifting block 22 is provided with a driving chute 221, the section of the driving chute 221 is also trapezoidal, and the driving chute 221 is matched with the driving chute 33 in a sliding manner. When the piston rod of the air cylinder 32 drives the driving inclined block 33 to slide towards the direction close to or away from the lifting block 22, the lifting block 22 is driven to ascend or descend.
With continued reference to fig. 2 and 3, in order to increase the stability of the sliding of the driving inclined block 33, the lower surface of the frame 1 is further fixedly provided with a guide rod 13, the length direction of the guide rod 13 is the same as the sliding direction of the driving inclined block 33, and one end of the guide rod 13 close to the supporting block 31 abuts against the side wall of the supporting block 31. The upper surface of the driving sloping block 33 is provided with a guide groove 331, the guide rod 13 is positioned in the guide groove 331, and the driving sloping block 33 is matched with the guide rod 13 in a sliding manner. The guide rod 13 has a guiding function on the driving inclined block 33, and the sliding stability of the driving inclined block 33 is improved. In the present embodiment, the guide bar 13 is shaped like a dovetail, and the guide groove 331 is shaped like a dovetail groove. During the sliding process of the driving inclined block 33, the guide rod 13 has an upward bearing effect on the driving inclined block 33, and the sliding stability of the driving inclined block 33 is further increased.
Referring to fig. 1 and 3, the detecting device further includes a plurality of springs 5, and the plurality of springs 5 are located between the frame 1 and the lifting plate 21. In this embodiment, the number of springs 5 is four, and four springs 5 all extend along vertical direction, and four springs 5's top all with frame 1 fixed connection, four springs 5's bottom all with lifter plate 21 fixed connection. When the lowest points of the universal wheels 4 are positioned below the bottom ends of the supporting legs 11, the four springs 5 are in a stretching state, and the four springs 5 simultaneously have upward tension on the lifting plate 21; when the cylinder 32 drives the piston rod to shorten, the piston rod drives the driving oblique block 33 to slide towards the direction close to the cylinder 32, the lifting block 22 rises under the tensile force of the four springs 5, the lifting block 22 drives the lifting plate 21 to rise, the lifting plate 21 simultaneously drives the universal wheels 4 to rise, so that the lowest points of the universal wheels 4 rise to the upper part of the bottom ends of the supporting legs 11, and the four supporting legs 11 realize stable supporting of the rack 1.
The application principle of the visual inspection device for the appearance quality of the lead frame is as follows: when a worker needs to carry the detection device, the lifting frame 2 is driven to descend through the driving mechanism 3, the lifting frame 2 simultaneously drives the four universal wheels 4 to descend, so that the lowest points of the four universal wheels 4 descend below the bottom ends of the supporting legs 11, the worker pushes the rack 1, and the rack 1 drives the four universal wheels 4 to roll on the ground, so that the detection device is carried, and the efficiency of carrying the detection device by the worker is improved; after the detection device finishes transporting, the lifting frame 2 is driven to ascend through the driving mechanism 3, the lifting frame 2 simultaneously drives the four universal wheels 4 to ascend, so that the lowest points of the four universal wheels 4 descend to the upper part of the bottom ends of the supporting legs 11, and the four supporting legs 11 realize stable supporting of the rack 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a lead frame appearance quality visual inspection device which characterized in that: comprises a frame (1), a lifting frame (2) and a driving mechanism (3); four supporting legs (11) are fixedly arranged on the rack (1), the lifting frame (2) is arranged on the rack (1) in a sliding manner, and a plurality of universal wheels (4) are arranged on the lifting frame (2); the driving mechanism (3) is installed on the rack (1), and the driving mechanism (3) is used for driving the lifting frame (2) to lift.
2. The visual inspection device of lead frame appearance quality of claim 1, characterized in that: the lifting frame (2) comprises a lifting plate (21), and a plurality of universal wheels (4) are all fixed on the lifting plate (21); the four supporting legs (11) all penetrate through the lifting plate (21), and the lifting plate (21) is matched with the four supporting legs (11) in a sliding mode.
3. The visual inspection device for the appearance quality of the lead frame according to claim 2, characterized in that: the lifting frame (2) further comprises a lifting block (22), and the lifting block (22) is fixed on the lifting plate (21); the driving mechanism (3) comprises a supporting block (31), an air cylinder (32) and a driving inclined block (33); the supporting block (31) is fixed on the rack (1), the air cylinder (32) is fixed on the supporting block (31), and a piston rod of the air cylinder (32) is fixedly connected with the driving inclined block (33); a driving chute (221) is formed in the lifting block (22), and the driving chute (221) is matched with the driving chute (33) in a sliding mode.
4. The visual inspection device of lead frame appearance quality of claim 3, wherein: the guide rod (13) is fixedly arranged on the rack (1), a guide groove (331) is formed in the drive inclined block (33), the guide rod (13) penetrates through the guide groove (331), and the drive inclined block (33) is matched with the guide rod (13) in a sliding mode.
5. The visual inspection device for the appearance quality of the lead frame according to claim 2, characterized in that: still include a plurality of springs (5), it is a plurality of the top of spring (5) all with frame (1) fixed connection, it is a plurality of the bottom of spring (5) all with lifter plate (21) fixed connection.
6. The visual inspection device for the appearance quality of the lead frame according to claim 2, characterized in that: the bottom end of the lifting plate (21) is fixedly provided with an anti-drop block (12).
7. The visual inspection device of lead frame appearance quality of claim 3, wherein: the supporting block (31) is fixedly provided with a fixing part (311), a bolt penetrates through the fixing part (311), and the bolt is in threaded fit with the rack (1).
8. The visual inspection device of lead frame appearance quality of claim 4, wherein: the guide rod (13) is in a dovetail strip shape, and the guide groove (331) is a dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663494.XU CN216082541U (en) | 2021-11-02 | 2021-11-02 | Visual inspection device for appearance quality of lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663494.XU CN216082541U (en) | 2021-11-02 | 2021-11-02 | Visual inspection device for appearance quality of lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216082541U true CN216082541U (en) | 2022-03-18 |
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ID=80643517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122663494.XU Active CN216082541U (en) | 2021-11-02 | 2021-11-02 | Visual inspection device for appearance quality of lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216082541U (en) |
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2021
- 2021-11-02 CN CN202122663494.XU patent/CN216082541U/en active Active
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