CN110665857A - Full-automatic chip stitch detection device - Google Patents
Full-automatic chip stitch detection device Download PDFInfo
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- CN110665857A CN110665857A CN201911054157.1A CN201911054157A CN110665857A CN 110665857 A CN110665857 A CN 110665857A CN 201911054157 A CN201911054157 A CN 201911054157A CN 110665857 A CN110665857 A CN 110665857A
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- 238000001514 detection method Methods 0.000 title claims abstract description 121
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 230000007306 turnover Effects 0.000 claims abstract description 72
- 239000000523 sample Substances 0.000 claims description 29
- 241000252254 Catostomidae Species 0.000 claims description 14
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 description 6
- 230000005693 optoelectronics Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A full-automatic chip pin detection device comprises a feeding mechanism, a first shooting mechanism, a turnover mechanism, a conveying mechanism, a second shooting mechanism and a pin detection mechanism; the automatic chip pin detection device is provided with the feeding mechanism, the first shooting mechanism, the turnover mechanism, the conveying mechanism, the second shooting mechanism and the pin detection mechanism, automatic turnover, positioning and detection recording of a chip are realized by means of mutual linkage and cooperation of the mechanisms, automatic detection of the pins of the chip is completely realized, the detection efficiency and the detection precision are greatly improved, and meanwhile, the labor cost is greatly saved.
Description
Technical Field
The invention relates to a full-automatic chip pin detection device.
Background
In the prior art, the detection is usually performed manually when the alignment degree of the chip pins is detected, but the manual detection has many problems such as low detection efficiency, unclear detection standard, high manpower consumption and the like, so that a device capable of automatically detecting the chip pins is urgently needed.
Disclosure of Invention
In order to overcome the defects of inaccurate detection and large labor consumption caused by the fact that the existing chip pins need to depend on manual detection during detection, the invention provides a device capable of realizing full-automatic detection on the chip pins.
In order to solve the technical problem, the invention discloses a full-automatic chip pin detection device which comprises a feeding mechanism, a first shooting mechanism, a turnover mechanism, a conveying mechanism, a second shooting mechanism and a pin detection mechanism, wherein the feeding mechanism is arranged on the feeding mechanism;
the feeding mechanism comprises a feeding mechanical arm, and a plurality of feeding suckers with different specifications are arranged at the hand position of the feeding mechanical arm;
the first shooting mechanism comprises a first light source and a first camera for shooting and recording the position state of the chip;
the turnover mechanism comprises a first bottom plate, two turnover seats are fixedly arranged on the first bottom plate, a turnover block is rotatably clamped between the two turnover seats, a plurality of turnover suckers with different specifications penetrate through the turnover block, a rotary cylinder is arranged on one side of one turnover seat, a plug rod of the rotary cylinder penetrates through the turnover seat and is fixedly connected to the turnover block, the turnover block is turned over between the two turnover seats under the driving of a plug column of the rotary cylinder, the head of the turnover sucker is arranged upwards when the turnover block is not turned over, a placing block is also erected on the two turnover seats, a placing table is arranged in the middle of the placing block in an upward protruding mode, the turnover sucker is positioned right above the placing table when the turnover block is turned over the placing block, and a first electric finger is arranged below the placing block, positioning blocks are fixedly arranged on the two fingers of the first electric finger, and the positioning blocks are positioned right above the placing table when the first electric finger is clamped;
the conveying mechanism comprises a second bottom plate, a linear module is fixed on the second bottom plate, a first servo motor for driving the linear module is fixed on a motor support of the linear module, a transfer block is fixedly arranged on a sliding block of the linear module, a sliding table cylinder is fixedly arranged on one side of the transfer block, a conveying frame is fixedly arranged on a sliding table of the sliding table cylinder, the conveying frame moves left and right under the driving of the first servo motor, the conveying frame moves up and down under the driving of the sliding table cylinder, a plurality of conveying suckers with different specifications are arranged on the conveying frame in a penetrating manner, the heads of the conveying suckers are positioned below the conveying frame, a second servo motor is further arranged on one side of the conveying suckers on the conveying frame, and the output shaft of the second servo motor is positioned below the conveying frame, the output shaft of the second servo motor is sleeved with a driving gear, the part of each conveying sucker, which is exposed below the conveying frame, is sleeved with a driven gear, every two adjacent driven gears are meshed with each other, the driven gear closest to the driving gear is meshed with the driving gear, and the conveying suckers can be driven by the second servo motor to rotate on the conveying frame;
the second shooting mechanism comprises a second light source and a second camera for shooting and recording chip numbers, and the second light source and the second camera are both fixed on one side of the conveying frame;
the stitch detection mechanism comprises a third bottom plate, a detection seat is fixed on the third bottom plate, a detection platform is detachably arranged on the detection seat, a detection circuit board is fixed below the detection platform, a chip groove is formed in the center of the detection platform, a plurality of double-headed probes penetrate through the detection platform, one end of each double-headed probe is exposed out of the bottom of the corresponding chip groove, the other end of each double-headed probe is exposed out of the detection platform and positioned above the detection circuit board, when one end of each double-headed probe exposed in the chip groove is pressed down, one end of each double-headed probe exposed below the detection platform can be abutted against the detection circuit board, a plurality of clamping blocks are slidably arranged on the detection platform around the chip groove, drivers are arranged on the detection platform around the rear sides of the clamping blocks, and pushing blocks are fixed on output shafts of the drivers, the front end of the pushing block is fixed with a pushing pin which is located right behind the clamping block, the detection table is further provided with a through groove passing through the chip groove, the detection seat is located on the two open outer sides of the through groove and is provided with a sensor, and the head of the sensor is arranged towards the opening of the through groove.
Further, the rear of shelving the piece still fixedly is equipped with a second electronic finger, all fixedly on two fingers of second electronic finger be equipped with the locating pin, the locating pin orientation the direction of shelving the platform set up, when electronic finger of second presss from both sides the locating pin be located and shelve the platform directly over.
Furthermore, the second bottom plate is provided with a plurality of photoelectric switches which are arranged in a straight line at the rear side of the linear module in sequence, and the rear side of the transfer block is also provided with a trigger plate for triggering the photoelectric switches.
Further, the optoelectronic switches include a first optoelectronic switch, a second optoelectronic switch, and a third optoelectronic switch.
Furthermore, a cylindrical pin penetrates through each clamping block, the cylindrical pin faces the chip groove and is arranged in the direction of the chip groove, and a return spring is fixedly sleeved on each cylindrical pin.
Furthermore, a coaxial connector is welded on each of two sides of the detection circuit board.
Further, the driver is a push rod motor or a push rod cylinder.
Furthermore, an optical fiber amplifier is fixedly arranged on the third bottom plate.
The detection process of the invention comprises the following steps: firstly, a feeding manipulator takes a chip to be detected down from a material tray and then sends the chip to the position above a first shooting mechanism, the first shooting mechanism shoots and records the front and back sides of the chip and the direction of pins, and information is sent to a computer after shooting is finished;
then if the pins in the shot picture face downwards, the chip is directly placed on the placing table by the feeding manipulator, if the pins in the shot picture face upwards, the chip is placed above the turnover block by the feeding manipulator, then the chip is sucked by the turnover sucker, the turnover block is driven to turn by the rotary cylinder, and the chip is placed on the placing table after the turnover block turns over above the placing table; then fingers of the second electric finger clamp and drive the positioning pins to abut against two side surfaces of the chip, then fingers of the first electric finger also clamp and drive the positioning blocks to abut against the other two side surfaces of the chip, and the position of the chip is centered on the center of the placing table under the clamping of the positioning pins and the positioning blocks;
after the chip is placed in a correct position, a conveying sucker on the conveying frame is driven by the linear module to translate towards the turnover mechanism, the first photoelectric switch is triggered along with the trigger plate, so that the conveying sucker stops right above the placing table, then the conveying frame is driven by the sliding table cylinder to move downwards, the conveying sucker sucks up the chip, and then the conveying frame drives the chip to move back upwards and then translate towards the direction of the detection table;
then the chip is translated to the direction of the pin detection mechanism along with the conveying frame, the second photoelectric switch is triggered along with the trigger plate, so that the conveying sucker and the chip are stopped right above the chip groove, at the moment, according to information shot by the first camera, if the two sides of the pins on the chip correspond to the two sides of the double-headed probes in the chip groove during shooting, the conveying frame directly moves downwards, the conveying sucker loosens the chip and places the chip in the chip groove, if the two sides of the pins on the chip do not correspond to the two sides of the double-headed probes in the chip groove during shooting, the second servo motor can drive the conveying sucker to rotate, the chip adsorbed on the conveying sucker rotates to the positions of the pins corresponding to the positions of the double-headed probes, and then the conveying frame moves downwards again to place the chip in the chip groove;
after a sensor on the detection seat senses that the chip is placed in the chip groove, the conveying frame moves back upwards and then moves to one side, the third photoelectric switch is triggered along with the trigger plate, so that the second shooting mechanism stops right above the chip groove to shoot and record the serial number of the chip in the chip groove at the moment, and after the shooting is finished, the information is sent to a computer;
after the second shooting mechanism finishes shooting, the conveying frame moves back, the trigger plate triggers the second photoelectric switch again to enable the conveying sucker to return to the position right above the chip groove, then the conveying frame moves downwards to enable the conveying sucker to tightly press the chip in the chip groove, meanwhile, the driver positioned around the detection table also drives the pushing pin to enable the pushing pin to push the clamping block to enable the clamping block to tightly clamp the chip in the center of the chip groove, pins on the chip correspond to double-head probe positions in the chip groove one by one, the pins on the chip also press the double-head probe downwards along with the downward pressing of the conveying sucker, one end part of the double-head probe positioned below the detection table is abutted against the detection circuit board, then the coaxial connector transmits detection information obtained by the detection circuit board to a computer, and then unqualified chips can be screened according to the condition that the chip number recorded in the computer and the chip number corresponding to the number press the double-head probe, after the stitch detection is finished, the driver drives the pushing pin to move back, and the clamping block is tightly pressed around the chip, so that the front end of the return spring above the clamping block can abut against the periphery of the conveying sucker and simultaneously compress the return spring, at the moment, along with the return movement of the pushing pin, the clamping block loses the pushing force from the rear, the clamping block can slide in the direction opposite to the chip groove due to the elastic force of the return spring and returns to the initial position, then the conveying frame also moves up to return to the initial position, and the stitch detection of the chip is finished.
The invention has the beneficial effects that: 1. the automatic chip pin detection device is provided with a feeding mechanism, a first shooting mechanism, a turnover mechanism, a conveying mechanism, a second shooting mechanism and a pin detection mechanism, automatic turnover and position adjustment and detection recording of a chip are realized by means of mutual linkage and cooperation of a plurality of mechanisms, automatic detection of the chip pins is completely realized, the detection efficiency and the detection precision are greatly improved, and meanwhile, the labor cost is greatly saved; 2. the photoelectric switch is arranged behind the linear module, and the trigger plate is arranged on the switching block, so that the photoelectric switch can be triggered by the trigger plate while the conveying frame moves, the conveying frame can be effectively controlled to stop at a desired position, and the accuracy of chip conveying is greatly improved; 3. the reset spring is arranged above the clamping block, the reset spring can also abut against the periphery of the sucker pressed above the chip when the chip is clamped by the clamping block, and after detection is finished, the clamping block can automatically return to the original position under the action of the elastic force of the reset spring, so that the detection of other subsequent chips is ensured, and the continuous automatic detection of the device is guaranteed; 4. the suction cups with different specifications are arranged on each mechanism, and the detection table can be detached from the detection seat for replacement, so that the device can be used for detecting chips with various types, the application range of the device is greatly enlarged, and the cost is effectively saved; 5. the optical fiber amplifier is arranged on the third bottom plate, so that the detection information obtained by the stitch detection mechanism can be effectively transmitted to a computer, the screening of subsequent chips is facilitated, and the detection accuracy is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view at a of fig. 1.
Fig. 3 is a schematic structural diagram of the mechanism of the invention except for the feeding mechanism.
Fig. 4 is a schematic structural view of the turnover mechanism of the invention when the turnover mechanism is not turned over.
Fig. 5 is a schematic structural view of the conveying mechanism of the present invention.
Fig. 6 is an enlarged schematic view at B of fig. 5.
Fig. 7 is another schematic view of the conveying mechanism of the present invention.
Fig. 8 is a schematic structural diagram of the stitch detection mechanism of the present invention.
FIG. 9 is a schematic view of the assembly of the test seat and test stand of the present invention.
Fig. 10 is an enlarged schematic view at C of fig. 9.
Fig. 11 is an exploded view of the test seat and test stand of the present invention.
Fig. 12 is an exploded view of a clamp block of the present invention.
Fig. 13 is a schematic view of the mechanism of the turnover block of the turnover mechanism of the present invention when turned over above the rest.
Fig. 14 is an enlarged schematic view at D of fig. 13.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
In the embodiment, referring to fig. 1 to 14, a full-automatic chip pin detection device includes a feeding mechanism 1, a first shooting mechanism 2, a turnover mechanism 3, a conveying mechanism 4, a second shooting mechanism 5, and a pin detection mechanism 6;
the feeding mechanism 1 comprises a feeding mechanical arm 7, the feeding mechanical arm 7 is a common industrial mechanical arm on the market, and a plurality of feeding suckers 8 with different specifications are arranged at hand positions of the feeding mechanical arm 7;
the first shooting mechanism 2 comprises a first light source 9 and a first camera 10 for shooting and recording the position state of the chip;
the turnover mechanism 3 comprises a first bottom plate 11, two turnover seats 12 are fixedly arranged on the first bottom plate 11, a turnover block 13 is rotatably clamped between the two turnover seats 12, a plurality of turnover suckers 14 with different specifications penetrate through the turnover block 13, a rotary cylinder 15 is arranged on one side of one of the turnover seats 12, a plug rod of the rotary cylinder 15 penetrates through the turnover seat 12 and is fixedly connected to the turnover block 13, the turnover block 13 is driven by a plug column of the rotary cylinder 15 to turn over between the two turnover seats 12, the head of the turnover sucker 14 is arranged upwards when the turnover block 13 is not turned over, a placing block 16 is also erected on the two turnover seats 12, a placing table 17 is arranged in the middle of the placing block 16 in an upward protruding manner, and when the turnover block 13 is turned over the placing block 16, the turnover sucker 14 is positioned right above the placing table 17, a first electric finger 18 is arranged below the placing block 16, positioning blocks 19 are fixedly arranged on two fingers of the first electric finger 18, and the positioning blocks 19 are positioned right above the placing table 17 when the first electric finger is clamped;
the second shooting mechanism 5 comprises a second light source 30 and a second camera 31 for shooting and recording chip numbers, wherein the second light source 30 and the second camera 31 are both fixed on one side of the conveying frame 25;
the stitch detection mechanism 6 comprises a third bottom plate 32, a detection seat 33 is fixed on the third bottom plate 32, a detection table 34 is detachably arranged on the detection seat 33, a detection circuit board 35 is fixed below the detection table 34, a chip groove 36 is formed in the center of the detection table 34, a plurality of double-headed probes 37 penetrate through the detection table 34, one end of each double-headed probe 37 is exposed from the bottom of the corresponding chip groove 36, the other end of each double-headed probe 37 is exposed from the bottom of the detection table 34 and located above the detection circuit board 35, when one end of each double-headed probe 37 exposed in the chip groove 36 is pressed down, one end of each double-headed probe exposed below the detection table 34 is abutted against the detection circuit board 35, a plurality of clamping blocks 38 are slidably arranged on the detection table 34 around the chip groove 36, and a driver 39 is arranged on the detection table 34 at the rear side of each clamping block 38, a pushing block 40 is fixed on an output shaft of the driver 39, a pushing pin 41 is fixed at the front end of the pushing block 40, the pushing pin 41 is positioned right behind the clamping block 38, a through groove 42 passing through the chip groove 36 is further formed in the detection table 34, a sensor 43 is arranged on the detection seat 33 and positioned on the outer side of two openings of the through groove 42, and the head of the sensor 43 is arranged towards the opening of the through groove 42.
Further, a second electric finger 44 is fixedly arranged behind the placing block 16, positioning pins 45 are fixedly arranged on two fingers of the second electric finger 44, the positioning pins 45 are arranged towards the placing table 17, and the positioning pins 45 are positioned right above the placing table 17 when the second electric finger 44 is clamped.
Further, a plurality of photoelectric switches are sequentially arranged on the second bottom plate 20 in a straight line at the rear side of the linear module 21, and a trigger plate 46 for triggering the photoelectric switches is further arranged at the rear side of the transfer block 23.
Further, the photoelectric switches include a first photoelectric switch 47, a second photoelectric switch 48, and a third photoelectric switch 49.
Further, each clamping block 38 is provided with a cylindrical pin 50 in a penetrating manner, the cylindrical pin 50 is arranged towards the chip slot 36, and a return spring 51 is fixedly sleeved on each cylindrical pin 50.
Further, a coaxial connector 52 is soldered to each of two sides of the detection circuit board 35.
Further, the driver 39 is a push rod motor or a push rod cylinder.
Further, an optical fiber amplifier 53 is also fixedly disposed on the third bottom plate 32.
The detection process of this embodiment: firstly, a feeding manipulator 7 takes a chip to be detected down from a material tray and then sends the chip to the position above a first shooting mechanism 2, the first shooting mechanism 2 shoots and records the front and back sides of the chip and the direction of pins, and information is sent to a computer after shooting;
then if the pins in the shot picture face downwards, the feeding manipulator 7 directly places the chip on the placing table 17, if the pins in the shot picture face upwards, the feeding manipulator 7 places the chip above the turnover block 13, then the turnover sucker 14 sucks the chip, the rotary cylinder 15 drives the turnover block 13 to turn over, and the turnover block 13 turns over above the placing table 17 and then places the chip on the placing table 17; then the fingers of the second electric finger 44 clamp and drive the positioning pins 45 to abut against two side surfaces of the chip, and then the fingers of the first electric finger 18 also clamp and drive the positioning blocks 19 to abut against the other two side surfaces of the chip, and at this time, the position of the chip is centered on the placing table 17 under the clamping of the positioning pins 45 and the positioning blocks 19;
after the chip is placed, the conveying suction cup 26 on the conveying frame 25 is driven by the linear module 21 to move horizontally towards the direction of the turnover mechanism 3, the first photoelectric switch 47 is triggered along with the trigger plate 46, so that the conveying suction cup 26 stops right above the placing table 17, then the conveying frame 25 is driven by the sliding table cylinder 24 to move downwards, the conveying suction cup 26 sucks up the chip, and then the conveying frame 25 drives the chip to move upwards and backwards and then move horizontally towards the direction of the detection table 34;
then the chip moves horizontally along with the conveying frame 25 towards the pin detection mechanism 6, along with the triggering plate 46 triggering the second photoelectric switch 48, the conveying suction cup 26 and the chip are stopped right above the chip groove 36, at the moment, according to the information shot by the first camera 10, if the two sides of the pins on the chip correspond to the two sides of the double-headed probe 37 in the chip groove 36 during shooting, the conveying frame 25 moves downwards directly, the conveying suction cup 26 loosens the chip and places the chip in the chip groove 36, if the two sides of the pins on the chip do not correspond to the two sides of the double-headed probe 37 in the chip groove 36 during shooting, the second servo motor 27 drives the conveying suction cup 26 to rotate, at the moment, the chip adsorbed on the conveying suction cup 26 rotates along with the pins to correspond to the position of the double-headed probe, and then the conveying frame 25 moves downwards to place the chip in the chip groove 36;
after the sensor 43 on the detection seat 33 senses that the chip is placed in the chip slot 36, the conveying frame 25 moves back upwards and then moves to one side, the third photoelectric switch 49 is triggered along with the trigger plate 46, so that the second shooting mechanism 5 stops right above the chip slot 36 to shoot and record the serial number of the chip in the chip slot 36 at the moment, and after the shooting is finished, the information is sent to a computer;
after the second shooting mechanism 5 finishes shooting, the conveying frame 25 moves back, the trigger plate 46 triggers the second photoelectric switch 48 again, the conveying suction cup 26 returns to the position right above the chip slot 36, then the conveying frame 25 moves down, the conveying suction cup 26 presses the chip tightly in the chip slot 36, meanwhile, the driver 39 around the detection table 34 drives the pushing pin 41 to push the clamping block 38, the clamping block 38 clamps the chip at the center of the chip slot 36, pins on the chip correspond to the positions of the double-head probes 37 in the chip slot 36 one by one, along with the downward pressing of the conveying suction cup 26, the double-head probes 27 on the chip are also pressed downward, so that one end head part of the double-head probes 27 below the detection table 34 is abutted against the detection circuit board 35, then the coaxial connector 52 conveys the detection information obtained by the detection circuit board 35 to a computer, and then unqualified chips can be screened according to the chip number recorded in the computer and the condition that the double-head probes 37 are pressed down by the chip number corresponding to the chip, after the stitch detection is completed, the driver 39 drives the pushing pin 41 to move back, since the front clamping block 38 is pressed around the chip, the front end of the return spring 51 above the clamping block 38 will abut on the periphery of the conveying suction cup 26 and compress the return spring 51, at this time, as the pushing pin 41 moves back, the clamping block 38 loses the pushing force from the back, and the clamping block will slide to the initial position in the direction opposite to the chip slot 36 due to the elastic force of the return spring 51, and then the conveying frame 25 also moves back to the initial position, so that the stitch detection of the chip is completed.
The advantage of this embodiment has realized the full automated inspection of chip stitch, has improved detection efficiency and detection precision greatly, has effectively saved the human cost, can realize continuous quick automated inspection, can be used for detecting the chip of multiple different models, and the transmission of while information is complete clear.
Claims (8)
1. The utility model provides a full-automatic chip stitch detection device which characterized in that: the device comprises a feeding mechanism, a first shooting mechanism, a turnover mechanism, a conveying mechanism, a second shooting mechanism and a stitch detection mechanism;
the feeding mechanism comprises a feeding mechanical arm, and a plurality of feeding suckers with different specifications are arranged at the hand position of the feeding mechanical arm;
the first shooting mechanism comprises a first light source and a first camera for shooting and recording the position state of the chip;
the turnover mechanism comprises a first bottom plate, two turnover seats are fixedly arranged on the first bottom plate, a turnover block is rotatably clamped between the two turnover seats, a plurality of turnover suckers with different specifications penetrate through the turnover block, a rotary cylinder is arranged on one side of one turnover seat, a plug rod of the rotary cylinder penetrates through the turnover seat and is fixedly connected to the turnover block, the turnover block is turned over between the two turnover seats under the driving of a plug column of the rotary cylinder, the head of the turnover sucker is arranged upwards when the turnover block is not turned over, a placing block is also erected on the two turnover seats, a placing table is arranged in the middle of the placing block in an upward protruding mode, the turnover sucker is positioned right above the placing table when the turnover block is turned over the placing block, and a first electric finger is arranged below the placing block, positioning blocks are fixedly arranged on the two fingers of the first electric finger, and the positioning blocks are positioned right above the placing table when the first electric finger is clamped;
the conveying mechanism comprises a second bottom plate, a linear module is fixed on the second bottom plate, a first servo motor for driving the linear module is fixed on a motor support of the linear module, a transfer block is fixedly arranged on a sliding block of the linear module, a sliding table cylinder is fixedly arranged on one side of the transfer block, a conveying frame is fixedly arranged on a sliding table of the sliding table cylinder, the conveying frame moves left and right under the driving of the first servo motor, the conveying frame moves up and down under the driving of the sliding table cylinder, a plurality of conveying suckers with different specifications are arranged on the conveying frame in a penetrating manner, the heads of the conveying suckers are positioned below the conveying frame, a second servo motor is further arranged on one side of the conveying suckers on the conveying frame, and the output shaft of the second servo motor is positioned below the conveying frame, the output shaft of the second servo motor is sleeved with a driving gear, the part of each conveying sucker, which is exposed below the conveying frame, is sleeved with a driven gear, every two adjacent driven gears are meshed with each other, the driven gear closest to the driving gear is meshed with the driving gear, and the conveying suckers can be driven by the second servo motor to rotate on the conveying frame;
the second shooting mechanism comprises a second light source and a second camera for shooting and recording chip numbers, and the second light source and the second camera are both fixed on one side of the conveying frame;
the stitch detection mechanism comprises a third bottom plate, a detection seat is fixed on the third bottom plate, a detection platform is detachably arranged on the detection seat, a detection circuit board is fixed below the detection platform, a chip groove is formed in the center of the detection platform, a plurality of double-headed probes penetrate through the detection platform, one end of each double-headed probe is exposed out of the bottom of the corresponding chip groove, the other end of each double-headed probe is exposed out of the detection platform and positioned above the detection circuit board, when one end of each double-headed probe exposed in the chip groove is pressed down, one end of each double-headed probe exposed below the detection platform can be abutted against the detection circuit board, a plurality of clamping blocks are slidably arranged on the detection platform around the chip groove, drivers are arranged on the detection platform around the rear sides of the clamping blocks, and pushing blocks are fixed on output shafts of the drivers, the front end of the pushing block is fixed with a pushing pin which is located right behind the clamping block, the detection table is further provided with a through groove passing through the chip groove, the detection seat is located on the two open outer sides of the through groove and is provided with a sensor, and the head of the sensor is arranged towards the opening of the through groove.
2. The full automatic chip pin detection device according to claim 1, wherein: the rear of the placing block is also fixedly provided with a second electric finger, two fingers of the second electric finger are fixedly provided with positioning pins, the positioning pins face the placing table, and the positioning pins are positioned right above the placing table when the second electric finger is clamped.
3. The full automatic chip pin detection device according to claim 1, wherein: the second bottom plate is provided with a plurality of photoelectric switches which are arranged in a straight line at the rear side of the linear module in sequence, and the rear side of the transfer block is also provided with a trigger plate for triggering the photoelectric switches.
4. A full automatic chip pin inspection device as claimed in claim 3, wherein: the photoelectric switch comprises a first photoelectric switch, a second photoelectric switch and a third photoelectric switch.
5. The full automatic chip pin detection device according to claim 1, wherein: and a cylindrical pin penetrates through each clamping block, the cylindrical pin faces the chip groove and is fixedly sleeved with a return spring.
6. The full automatic chip pin detection device according to claim 1, wherein: and the two sides of the detection circuit board are respectively welded with a coaxial connector.
7. The full automatic chip pin detection device according to claim 1, wherein: the driver is a push rod motor or a push rod cylinder.
8. The full automatic chip pin detection device according to claim 1, wherein: and an optical fiber amplifier is also fixedly arranged on the third bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110665857B (en) | 2023-08-08 |
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