CN114733794A - Laser chip appearance detection sorting machine and working method thereof - Google Patents
Laser chip appearance detection sorting machine and working method thereof Download PDFInfo
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- CN114733794A CN114733794A CN202210449592.XA CN202210449592A CN114733794A CN 114733794 A CN114733794 A CN 114733794A CN 202210449592 A CN202210449592 A CN 202210449592A CN 114733794 A CN114733794 A CN 114733794A
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- 238000013519 translation Methods 0.000 claims description 19
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000010902 straw Substances 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 8
- 239000002775 capsule Substances 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 3
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- 230000007547 defect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000002950 deficient Effects 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
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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
- B07C5/362—Separating or distributor mechanisms
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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
The invention relates to a laser chip appearance detection sorting machine and a working method thereof, wherein the laser chip appearance detection sorting machine comprises a rack and a table top plate positioned on the rack, a chip detection station is arranged on one side of the table top plate, and a chip sorting station is arranged on the other side of the table top plate; be equipped with first membrane dish fixed establishment on the chip detection station, first membrane dish fixed establishment top is equipped with chip location detection camera, is equipped with the second membrane dish fixed establishment that can place two at least membrane dishes on the chip sorting station, and second membrane dish fixed establishment top is equipped with the chip and places the location camera, is equipped with the chip between chip detection station and the chip sorting station and picks up the mechanism, first membrane dish fixed establishment below is equipped with the thimble mechanism of jack-up the diaphragm assigned position of membrane dish upwards. The laser chip appearance detection sorting machine can automatically complete detection sorting, effectively overcomes various defects of manual detection, meets the requirement of automatic production, greatly improves the detection sorting efficiency, reduces misjudgment, and improves the detection accuracy and sorting reliability.
Description
Technical Field
The invention relates to the technical field of laser chip detection, in particular to a laser chip appearance detection sorting machine and a working method thereof.
Background
Most of existing laser chip appearance detection modes adopt manual detection, a chip is amplified to a display screen through a CCD, and the defects, dirt and scratches of the chip and the appearance of detection marks are recognized through human eyes. The manual detection has low appearance efficiency, is easy to fatigue when being observed by naked eyes for a long time, has the possibility of misjudgment, and needs retesting or multi-person shift detection.
Disclosure of Invention
In view of this, the invention aims to provide a laser chip appearance detection sorting machine and a working method thereof, which are convenient to use and strong in practicability, and can automatically complete detection sorting, greatly improve detection sorting efficiency and reduce misjudgment.
The invention is realized by adopting the following scheme: a laser chip appearance detection sorting machine comprises a rack and a table top plate positioned on the rack, wherein a chip detection station is arranged on one side of the table top plate, and a chip sorting station is arranged on the other side of the table top plate; be equipped with first membrane dish fixed establishment on the chip detection station, first membrane dish fixed establishment top is equipped with chip location detection camera, is equipped with the second membrane dish fixed establishment that can place two at least membrane dishes on the chip sorting station, and second membrane dish fixed establishment top is equipped with the chip and places the location camera, is equipped with the chip between chip detection station and the chip sorting station and picks up the mechanism, first membrane dish fixed establishment below is equipped with the thimble mechanism of jack-up the diaphragm assigned position of membrane dish upwards.
Further, the chip picking mechanism comprises a rotating device, a lifting device and a swing arm device; the swing arm device comprises a connecting seat connected to the lifting device and a swing arm with the rear end connected to the connecting seat and the front end extending forwards, and the front end of the swing arm is connected with a suction pipe; an elastic sheet is connected between the rear end of the swing arm and the connecting seat, an extending part extending backwards is arranged at the rear end of the swing arm, and the extending part of the swing arm is connected with an elastic adjusting bolt pulling the extending part upwards.
Furthermore, the upper side of the connecting seat is connected with a connecting plate positioned above the extending part of the swing arm, the elastic adjusting bolt comprises a pull rod of which the lower end is connected with the extending arm of the swing arm and the upper end passes through the connecting plate, the upper end of the pull rod is provided with a threaded part and is connected with an adjusting nut, and the pull rod is also sleeved with a spring positioned between the connecting plate and the adjusting nut; the upper side of the rear end of the extending part of the swing arm is connected with a first contact, and a second contact matched with the first contact is arranged on the connecting plate.
Furthermore, an upright post is arranged between the deck plate chip detection station and the chip sorting station, and a support frame extending forwards is arranged at the upper end of the upright post; the rotating device is arranged on the lower side of the front end of the support frame, the rotating device adopts a Z-axis electric rotating table, and the lifting device adopts a flat voice coil motor; the chip positioning detection camera and the chip placing positioning camera are respectively arranged on two sides of the support frame through a first XY-axis manual fine-tuning translation table and a second XY-axis manual fine-tuning translation table.
Further, the first film disc fixing mechanism comprises a first seat plate, a first X-axis electric sliding table and a first Y-axis electric sliding table which are located below the first seat plate, a film disc placing position is arranged on the first seat plate, a through groove is formed in the middle of the film disc placing position of the first seat plate, a notch ring used for tightly holding the film disc is arranged on the film disc placing position, an annular convex part for supporting the film disc is arranged at the lower edge of an inner hole of the notch ring, and a tensioning belt is sleeved on the periphery of the notch ring; the first seat plate is also provided with a rotary driving mechanism for driving the notch ring to rotate
Further, the rotary driving mechanism comprises a driving motor, a plurality of synchronous belt wheels and a synchronous belt sleeved on the synchronous belt wheels, the side part of the notch ring is connected with an arc-shaped block, the synchronous belt is attached to the outer arc-shaped surface of the arc-shaped block, the lower end of the notch ring is connected with a rotating ring concentric with the notch ring, the diameter of the rotating ring is larger than the outer diameter of the notch ring, and a plurality of guide wheels matched with the rotating ring are arranged around the rotating ring.
Further, second diaphragm capsule fixed establishment includes the second bedplate and is located the electronic slip table of second X axle, the electronic slip table of second Y axle of second fixing base below, the second bedplate is equipped with two at least diaphragm capsules and places the position, and every diaphragm capsule is placed on the position and is equallyd membrane stop gear, diaphragm stop gear is including being located the diaphragm capsule and placing the compact heap of position one side and two at least spacing backing pins that are located the diaphragm capsule and place a position opposite side, and the compact heap side is equipped with the elasticity bolt that promotes the compact heap and compress tightly the diaphragm.
Further, the ejector pin mechanism comprises an ejector pin base, an ejector pin perforation is arranged in the middle of the top surface of the ejector pin base, and a plurality of negative pressure adsorption holes are formed in the outer side of the ejector pin perforation; the inside of thimble seat is equipped with the negative pressure cavity with negative pressure adsorption hole intercommunication, be provided with in the negative pressure cavity and upwards run through the fenestrate thimble of thimble by the elevating system drive.
Further, the thimble seat comprises a thimble base and a thimble sleeve sleeved outside the upper end of the thimble base, a vertical through hole is formed in the middle of the thimble base, and the vertical through hole is communicated with the inside of the thimble sleeve to form a negative pressure cavity; the thimble through hole and the negative pressure adsorption hole are both arranged on the top surface of the thimble sleeve; the thimble structure comprises a thimble sleeve, and is characterized in that a thimble clamp is arranged in the upper end of the thimble sleeve, a vertical clamping hole for containing a thimble is formed in the middle of the upper end of the thimble clamp, the lower end of the thimble clamp is connected with a lifting mechanism, a thimble seat is mounted at the top of a supporting seat below the thimble clamp, and the supporting seat is mounted on a third XY-axis manual fine-adjustment translation table below the supporting seat.
Further, the lifting mechanism comprises a vertical connecting rod, an eccentric wheel, a connecting block and a lifting motor, the vertical connecting rod is in sliding fit with the vertical through hole through a linear bearing, and the upper end of the vertical connecting rod is connected with the lower end of the thimble clamp; the lifting motor is transversely arranged, a motor shaft of the lifting motor is connected with the middle part of one end of the eccentric wheel, the other end of the eccentric wheel is connected with the lower end of the connecting block, and the upper end of the connecting block is connected with the lower end of the vertical connecting rod through a connecting piece.
The other technical scheme of the invention is as follows: the working method of the laser chip appearance detection sorting machine comprises the following steps:
(1) the film disc provided with the chip to be tested is arranged in the first film disc fixing mechanism, and the empty film disc is placed on the second film disc fixing mechanism;
(2) a chip positioning detection camera acquires a coordinate position parameter of a first chip to be detected and sends the coordinate position parameter to a controller;
(3) the first film disc fixing mechanism receives data of the chip positioning detection camera to perform correction movement, and the chip positioning detection camera acquires a chip ID number and an appearance picture; after the ID is obtained, extracting corresponding test parameters and chip appearance from the server for judgment;
(4) the swing arm moves to a chip pickup coordinate point and then descends to a preset position, and the ejector pin mechanism jacks up the chip and then the lower end of the suction pipe adsorbs the chip;
(5) the swing arm rises and rotates, shifts the chip to chip sorting station, and second membrane dish fixed establishment sets for standard and outward appearance according to test parameter on the chip sorting station, will appoint empty membrane dish and remove to the straw below of swing arm, and the swing arm is placed the chip on the straw on the membrane dish after descending to preset position, accomplishes chip classification and places.
Compared with the prior art, the invention has the following beneficial effects: the laser chip appearance detection sorting machine is reasonable in design, convenient to use and high in practicability, can automatically complete detection and sorting, effectively overcomes various defects of manual detection, meets the requirement of automatic production, greatly improves detection and sorting efficiency, reduces misjudgment, and improves detection accuracy and sorting reliability.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Drawings
FIG. 1 is an overall perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of the embodiment of the present invention with the housing omitted;
FIG. 3 is a side view of a chip pick-up mechanism in an embodiment of the invention;
FIG. 4 is a bottom view of the chip pick-up mechanism in an embodiment of the present invention;
FIG. 5 is a perspective view of a swing arm apparatus in an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a swing arm apparatus in an embodiment of the present invention;
FIG. 7 is a perspective view showing a state in which the first film tray fixing mechanism is used in the embodiment of the present invention;
FIG. 8 is a perspective view of FIG. 7 with the protective case omitted;
FIG. 9 is a perspective view of FIG. 8 with the membrane disc omitted;
FIG. 10 is a perspective view showing a state in which the second film tray fixing mechanism is used in the embodiment of the present invention;
FIG. 11 is a perspective view of the overall structure of the ejector pin mechanism in the embodiment of the present invention;
FIG. 12 is a schematic perspective view of a lifting mechanism in an embodiment of the present invention;
FIG. 13 is a schematic sectional front view showing the structure of the hub of the present invention;
FIG. 14 is a schematic perspective view of a thimble clamp according to an embodiment of the present invention;
FIG. 15 is a schematic perspective view of a thimble sleeve in accordance with an embodiment of the present invention;
the reference numbers in the figures illustrate: 100-a thimble mechanism; 101-a support base; 102-thimble seat; 103-thimble perforation; 104-negative pressure adsorption holes; 105-a lifting mechanism; 106-thimble; 107-thimble base; 108-a thimble sleeve; 109-vertical through holes; 110-a negative pressure chamber; 111-thimble gripper; 112-vertical clamping holes; 113-radial through hole; 114-vertical connection holes; 115-connecting screw holes; 116-a vertical link; 117-eccentric wheel; 118-a connection block; 119-a lifting motor; 120-a pumping cavity; 121-air extraction holes; 122-gas guiding groove; 123-sealing ring; 124-linear bearings; 125-a seal gasket; 126-third XY axis manual fine adjustment translation stage; 200-a frame; 210-a deck plate; 220-column; 230-a support frame; 240-first XY axis manual fine tuning translation stage; 250-second XY axis manual fine adjustment translation stage; 260-a caster; 300-a first membrane disc fixing mechanism; 310-a first seat deck; 320-a first X-axis electric slide; 330-first Y-axis electric slide; 340-a broken ring; 341-annular projection; 342-an arc-shaped block; 350-tensioning the strap; 360-a rotational drive mechanism; 361-a drive motor; 362-synchronous pulley; 363-synchronous belt; 370-a rotating ring; 380-guide wheel; 390-a protective shell; 400-chip positioning detection camera; 500-a second membrane disc securing mechanism; 510-a second seat deck; 520-second X-axis electric sliding table; 530-second Y-axis electric slide; 540-pressing block; 550-limit stop pin; 560-elastic bolt; 600-chip placement positioning camera; 700-a chip pick-up mechanism; 710-a rotation device; 711-limit stop; 712-a position sensor; 713-induction block, 720-lifting device; 730-a swing arm device; 731-connecting seat; 732-swing arm; 733-straw; 734-shrapnel; 735-a web; 736 — a first contact; 737-second contact; 740-elastic force adjusting bolt; 741-a drawbar; 742-an adjusting nut; 743-spring; 800-a housing; 900-membrane disk.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 15, a laser chip appearance detection sorting machine comprises a rack 200 and a deck plate 210 positioned on the rack, wherein a chip detection station is arranged on one side of the deck plate, and a chip sorting station is arranged on the other side of the deck plate; be equipped with first membrane dish fixed establishment 300 on the chip detects the station, first membrane dish fixed establishment top is equipped with chip location detection camera 400, is equipped with the second membrane dish fixed establishment 500 that can place two at least membrane dishes on the chip selects separately the station, and second membrane dish fixed establishment top is equipped with the chip and places location camera 600, is equipped with chip pick-up mechanism 700 between chip detection station and the chip select separately the station, first membrane dish fixed establishment below is equipped with the thimble mechanism 100 with the diaphragm assigned position of membrane dish jack-up that makes progress. Empty membrane discs for classified placement of chips are clamped in the second membrane disc fixing mechanism 500, a membrane disc for placing a chip to be detected is placed in the first membrane disc fixing mechanism 300, automatic chip feeding is achieved, searching and positioning are conducted before chip absorption, a chip positioning detection camera 400 achieves a chip positioning function and has an appearance detection function and a chip ID reading function, chip missing, dirt, scratches and ID code identification can be achieved through the OPENCV algorithm for detection, chip placing is achieved through classified placement of defective products and chip partition placement with different powers, chip power data come from a server and are fixed file positions of a process data storage server for previous chip testing, testing data of corresponding chips are read according to the IDs on the chips, and partition placement is conducted according to power setting parameters; this laser chip outward appearance detects sorter effectively solves a great deal of defect that artifical detected, has realized automated production's demand, improves the detection and separation efficiency greatly, reduces the erroneous judgement probability, improves the degree of accuracy that detects and the reliability of sorting to can carry out further screening to laser chip's power according to customer's demand, in order to satisfy customer's demand, improve customer's satisfaction.
In this embodiment, the chip picking mechanism 700 includes a rotating device 710, a lifting device 720 and a swing arm device 730; the swing arm device 730 comprises a connecting seat 731 connected to the lifting device and a swing arm 732 with the rear end connected to the connecting seat and the front end extending forwards, and the swing arm is made of carbon fiber and is light in weight; the front end of the swing arm is connected with a suction pipe 733; a spring plate 734 is connected between the rear end of the swing arm and the connecting seat, and the thickness of the spring plate 734 is 0.2 mm; the rear end of the swing arm is provided with an extension part extending backwards, the extension part of the swing arm is connected with an elastic adjusting bolt 740 pulling the extension part upwards, the lower end of the suction pipe is conical, the upper end of the suction pipe is connected with an exhaust pipe, and chips are picked up by sucking air; utilize the shell fragment as the swing fulcrum of swing arm, control the straw through the elasticity adjusting bolt simultaneously and get the pressure to the chip when expecting, dynamics when being convenient for control is got the material to not crushed or have the fracture when protecting the chip to pick up.
In this embodiment, a position sensor 712 for sensing the maximum rotation angle of the rotating device is disposed beside the rotating device, a sensing block 713 cooperating with the position sensor is disposed on the rotating device, and the two position sensors are used for controlling the maximum rotation angle of the rotating device; in order to improve the reliability of the angle limitation and avoid the failure of the position sensor, a pair of limit stops 711 for limiting the maximum rotation angle of the rotating device is arranged beside the rotating device and used as mechanical limit.
In this embodiment, the connecting seat upside is connected with the connecting plate 735 that is located swing arm extension top, elasticity adjusting bolt 740 includes that the lower extreme is connected in swing arm extension arm, the pull rod 741 that the upper end passed the connecting plate, the pull rod upper end is equipped with screw thread portion and is connected with adjusting nut 742, still overlaps on the pull rod to be equipped with and is located the spring 743 between connecting plate and the adjusting nut, and spring 743 provides the cushioning effect when straw and chip contact, controls the pressure that both contacts are, and through rotating adjusting nut, the adjustment to pressure can be realized to the decrement of adjustment spring.
In this embodiment, a first contact 736 is connected to the upper side of the rear end of the extending portion of the swing arm, and a second contact 737 matched with the first contact is arranged on the connecting plate; the first contact and the second contact are connected in the detection circuit, when the suction pipe contacts the chip, the front end of the swing arm can be slightly lifted upwards, the rear end of the swing arm is made to sink, the first contact and the second contact are separated, whether the suction pipe contacts the chip or not is judged, and the descending height of the swing arm is accurately controlled.
In this embodiment, a column 220 is disposed between the chip detection station and the chip sorting station, and a support frame 230 extending forward is disposed at the upper end of the column; the lifting device is arranged on the lower side of the front end of the support frame, the rotating device is driven by a Z-axis electric rotating table which is driven by a DD motor, and the lifting device is driven by a flat voice coil motor to complete the function of quick movement of the swing arm; the chip positioning detection camera 400 and the chip placement positioning camera 600 are respectively installed on two sides of the support frame through a first XY-axis manual fine-tuning translation stage 240 and a second XY-axis manual fine-tuning translation stage 250, and the positions of the cameras can be adjusted through the XY-axis manual fine-tuning translation stages.
In this embodiment, the first membrane disc fixing mechanism 300 includes a first seat plate 310, and a first X-axis electric sliding table 320 and a first Y-axis electric sliding table 330 which are located below the first seat plate, where a membrane disc placing position is provided on the first seat plate, the first seat plate is provided with a through groove in the middle of the membrane disc placing position, the through groove is used for enabling an ejector pin of the ejector pin mechanism 100 to upwards pass through to jack up a membrane on the membrane disc, a notch ring 340 for tightly holding the membrane disc is provided on the membrane disc placing position, an annular convex portion 341 for supporting the membrane disc is provided at a lower edge of an inner hole of the notch ring, and a tensioning belt 350 is sleeved on the periphery of the notch ring; still be equipped with on the first bedplate and be used for driving breach ring pivoted rotary driving mechanism, the whole first bedplate of first X axle electric sliding table 320 and the electronic sliding table 330 of first Y axle control is followed X axle and Y axle motion, utilizes rotary driving mechanism to drive the breach ring simultaneously and rotates, also namely drives the membrane dish and rotates, realizes the three-axis drive of membrane dish, realizes that the accurate removal of the chip that will detect the pick up is to under the straw.
In this embodiment, rotary driving mechanism 360 includes driving motor 361, a plurality of synchronous pulley 362 and cover and establishes hold-in range 363 on synchronous pulley, and one of them synchronous pulley installs on driving motor's main shaft, and synchronous pulley is three and is isosceles triangle and distributes, breach ring side portion is connected with arc piece 342, and arc piece passes through screw connection on the breach ring, the hold-in range is pasting the outside arcwall face of arc piece and is utilizing frictional force to drive the breach ring through arc piece and rotates when making the hold-in range motion, breach ring lower extreme is connected with rather than endocentric swivel becket 370, and the swivel becket also is through screw connection on the breach ring, and the swivel becket diameter is greater than breach ring external diameter and is makeed the edge part of swivel becket to stretch out from breach ring week side, be provided with a plurality of and swivel becket complex guide pulley 380 around the swivel becket, guarantees breach ring pivoted stability.
In this embodiment, second diaphragm disc fixed establishment 500 includes second bedplate 510 and the electronic slip table of second X axle 520, the electronic slip table of second Y axle 530 that are located the second fixing base below, the second bedplate is equipped with two at least diaphragm disks and places the position, and every diaphragm disk is placed equal diaphragm stop gear on the position, diaphragm stop gear is including being located the diaphragm disk and placing a compact heap 540 and two at least spacing backing pins 550 that are located the diaphragm disk and place a position opposite side of placing a position, and the compact heap side is equipped with the elasticity bolt 560 that promotes the compact heap and compress tightly the diaphragm, utilizes artifical pulling elasticity bolt alright carry out getting of diaphragm disk smoothly and put easy operation.
In this embodiment, the manual fine setting translation platform of first XY axle, the manual fine setting translation platform of second XY axle and the manual fine setting translation platform of third XY axle are prior art, all have the manual fine setting translation platform of X axle and the manual fine setting translation platform of Y to constitute, do not do specific explanation to its structure and theory of operation once more.
In this embodiment, the thimble mechanism includes a thimble seat 102, a thimble through hole 103 is arranged in the middle of the top surface of the thimble seat 102, and a plurality of negative pressure adsorption holes 104 distributed on the top surface of the thimble seat are arranged outside the thimble through hole 103; a negative pressure chamber 110 communicated with the negative pressure adsorption hole 104 is arranged in the thimble seat 102, and a thimble 106 driven by a lifting mechanism 105 to upwards penetrate through the thimble perforation 103 is arranged in the negative pressure chamber 110. When the device works, the ejector pins are positioned under a designated chip to be picked up, the upper ends of the ejector pin bases are attached to the lower side surface of the membrane disc, a negative pressure cavity is formed in the ejector pin bases after air exhaust, a plurality of negative pressure adsorption holes in the tops of the ejector pin bases adsorb the membrane of the membrane disc by using negative pressure, then the ejector pins are driven by the lifting mechanism to move upwards and penetrate through the ejector pins for perforation, the ejector pins jack up the membrane part at the position of the designated chip upwards, the designated chip jacked up by the ejector pins can be better contacted with the suction pipe to be picked up, and part of the membrane around the designated chip is adsorbed by the negative pressure and cannot be jacked up; therefore, when the chip is picked up, the suction pipe only needs to descend to be close to the appointed chip, and the ejector pin is in contact with the suction pipe through jacking the chip so as to protect the chip from being crushed or having cracks when the chip is picked up.
In this embodiment, the thimble seat 102 includes a T-shaped thimble base 107 and a thimble sleeve 108 sleeved outside the upper end of the thimble base 107, a vertical through hole 109 is formed in the middle of the thimble base 107, and the vertical through hole 109 is communicated with the inside of the thimble sleeve 108 to form a negative pressure chamber 110; the thimble through hole 103 and the negative pressure suction hole 104 are both arranged on the top surface of the thimble sleeve 108.
In this embodiment, a thimble clamp 111 is disposed inside an upper end of the thimble sleeve 108, a vertical clamping hole 112 for accommodating the thimble 106 is disposed in a middle portion of an upper end of the thimble clamp 111, a radial through hole 113 is communicated with a lower end of the vertical clamping hole 112, and a thimble locking screw for locking the thimble is screwed in the radial through hole; the lower end of the thimble clamp 111 is provided with a vertical connecting hole 114, the side wall of the vertical connecting hole 114 is provided with a connecting screw hole 115, a connecting rod locking screw is screwed in the connecting screw hole, and the lower end of the thimble clamp is connected with a lifting mechanism.
In this embodiment, the lifting mechanism 105 includes a vertical connecting rod 116, an eccentric wheel 117, a connecting block 118 and a lifting motor 119, the vertical connecting rod 116 is slidably fitted with the vertical through hole 109 through a linear bearing 124, and the upper end of the vertical connecting rod 116 extends into the vertical connecting hole 114 and is locked by a connecting rod locking screw; the lifting motor 119 is transversely arranged, a motor shaft of the lifting motor 119 is connected with the middle part of one end of the eccentric wheel 117, the other end of the eccentric wheel 117 is eccentrically connected with the lower end of the connecting block 118, and the upper end of the connecting block 118 is connected with the lower end of the vertical connecting rod 116 through a connecting piece. During operation, the lifting motor drives the eccentric wheel to rotate, the eccentric wheel drives the vertical connecting rod to slide up and down along the vertical through hole through the connecting block, and the vertical connecting rod drives the ejector pin to move up and down through the ejector pin fixture so as to realize lifting of the ejector pin.
In this embodiment, an annular air suction cavity 120 is arranged on the side wall of the lower end of the vertical through hole 109, an air suction hole 121 is arranged on the side wall of the air suction cavity 120, and the air suction hole is used for being connected with a negative pressure generating device through a pipeline; the upper end side wall of the vertical through hole 109 is provided with a pair of air guide grooves 122 extending vertically, the lower end of the air guide grooves 122 is communicated with the air suction cavity 120, and the upper end of the air guide grooves 122 is communicated with the inside of the upper end of the thimble sleeve 108. When the ejector pin sleeve works, the inner part of the upper end of the ejector pin sleeve, the pair of air guide grooves, the annular air exhaust cavity and the air exhaust hole are communicated, and the negative pressure generating equipment sucks air through the air exhaust hole to form a negative pressure structure.
In this embodiment, in order to adjust the position of the thimble in the initial state, the thimble seat 102 is installed on the top of the supporting seat 101 below the thimble seat, the supporting seat is installed on the third XY-axis manual fine-tuning translation stage 126 below the supporting seat, and the third XY-axis manual fine-tuning translation stage can be used for manually adjusting the position of the thimble along the X-axis (i.e. transverse direction) and the Y-axis (i.e. longitudinal direction).
In this embodiment, in order to improve the sealing effect of the negative pressure chamber, a sealing ring 123 is disposed between the outer sidewall of the upper end of the thimble base 104 and the inner wall of the lower end of the thimble sleeve 108; the top of the supporting seat 137 is provided with a circular concave portion, the vertical through hole of the circular concave portion corresponds in position, and a sealing gasket 125 is arranged in the circular concave portion.
The working method of the laser chip appearance detection sorting machine comprises the following steps:
(1) the method comprises the following steps that a film disc provided with a chip to be tested is arranged in a gap ring of a first film disc fixing mechanism, an empty film disc is placed on a film disc placing position of a second film disc fixing mechanism, and a pressing block is used for clamping the empty film disc;
(2) manually adjusting the picking and searching position of the first chip to be detected by rotating the film disc on the gap ring, then clamping the film disc by the gap ring by using a tensioning belt, and acquiring coordinate position parameters of the first chip to be detected by the chip positioning detection camera and sending the coordinate position parameters to the controller;
(3) the first film disc fixing mechanism receives data of the chip positioning detection camera to perform correction movement, and the chip positioning detection camera acquires a chip ID number and an appearance picture; after the ID is obtained, extracting corresponding test parameters and chip appearance from the server for judgment;
(4) the swing arm moves to a chip pickup coordinate point and then descends to a preset position, and the ejector pin mechanism jacks up the chip and then the lower end of the suction pipe adsorbs the chip;
(5) the swing arm rises and rotates, shifts the chip to the chip and selects separately the station, and second membrane dish fixed establishment sets for standard and outward appearance according to test parameter on the chip selects separately the station, will appoint empty membrane dish and remove to the straw below of swing arm, and the swing arm descends to place the chip on the straw on the membrane dish after presetting the position, accomplishes chip classification and places.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the number is large and cannot be exhaustive, some of the numbers are disclosed to exemplify the technical solutions of the present invention, and the above-mentioned numbers should not be construed as limiting the scope of the present invention.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding) can, of course, also be replaced by one-piece structures (e.g. manufactured in one piece using a casting process) (unless it is obvious that one-piece processes cannot be used).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a laser chip outward appearance detects sorter which characterized in that: the chip sorting machine comprises a rack and a table top plate positioned on the rack, wherein a chip detection station is arranged on one side of the table top plate, and a chip sorting station is arranged on the other side of the table top plate; be equipped with first membrane dish fixed establishment on the chip detection station, first membrane dish fixed establishment top is equipped with chip location detection camera, is equipped with the second membrane dish fixed establishment that can place two at least membrane dishes on the chip sorting station, and second membrane dish fixed establishment top is equipped with the chip and places the location camera, is equipped with the chip between chip detection station and the chip sorting station and picks up the mechanism, first membrane dish fixed establishment below is equipped with the thimble mechanism of jack-up the diaphragm assigned position of membrane dish upwards.
2. The laser chip appearance detecting and sorting machine according to claim 1, wherein: the chip picking mechanism comprises a rotating device, a lifting device and a swing arm device; the swing arm device comprises a connecting seat connected to the lifting device and a swing arm with the rear end connected to the connecting seat and the front end extending forwards, and the front end of the swing arm is connected with a suction pipe; an elastic sheet is connected between the rear end of the swing arm and the connecting seat, an extending part extending backwards is arranged at the rear end of the swing arm, and the extending part of the swing arm is connected with an elastic adjusting bolt pulling the extending part upwards.
3. The laser chip appearance inspection sorter of claim 2, wherein: the upper side of the connecting seat is connected with a connecting plate positioned above the swing arm extension part, the elastic adjusting bolt comprises a pull rod of which the lower end is connected with the swing arm extension arm and the upper end passes through the connecting plate, the upper end of the pull rod is provided with a threaded part and is connected with an adjusting nut, and the pull rod is also sleeved with a spring positioned between the connecting plate and the adjusting nut; the upper side of the rear end of the extending part of the swing arm is connected with a first contact, and a second contact matched with the first contact is arranged on the connecting plate.
4. The laser chip appearance inspection sorter of claim 1, wherein: an upright post is arranged between the deck plate chip detection station and the chip sorting station, and a support frame extending forwards is arranged at the upper end of the upright post; the rotating device is arranged on the lower side of the front end of the support frame, the rotating device adopts a Z-axis electric rotating table, and the lifting device adopts a flat voice coil motor; the chip positioning detection camera and the chip placement positioning camera are respectively installed on two sides of the support frame through a first XY-axis manual fine adjustment translation table and a second XY-axis manual fine adjustment translation table.
5. The laser chip appearance inspection sorter of claim 1, wherein: the first film disc fixing mechanism comprises a first seat plate, a first X-axis electric sliding table and a first Y-axis electric sliding table, wherein the first X-axis electric sliding table and the first Y-axis electric sliding table are positioned below the first seat plate; and the first seat plate is also provided with a rotary driving mechanism for driving the notch ring to rotate.
6. The laser chip appearance detecting and sorting machine according to claim 1, wherein: second diaphragm capsule fixed establishment includes the second bedplate and is located the electronic slip table of second X axle, the electronic slip table of second Y axle of second fixing base below, the second bedplate is equipped with two at least diaphragm disks and places the position, and every diaphragm disk is placed on the position equal diaphragm stop gear, diaphragm stop gear is including being located the diaphragm disk and placing the compact heap of position one side and two at least spacing backing pins that are located the diaphragm disk and place a position opposite side, and the compact heap side is equipped with the elasticity bolt that promotes the compact heap and compress tightly the diaphragm.
7. The laser chip appearance inspection sorter of claim 1, wherein: the ejector pin mechanism comprises an ejector pin base, an ejector pin perforation is arranged in the middle of the top surface of the ejector pin base, and a plurality of negative pressure adsorption holes are formed in the outer side of the ejector pin perforation; the inside of thimble seat is equipped with the negative pressure cavity with negative pressure adsorption hole intercommunication, be provided with in the negative pressure cavity and upwards run through the fenestrate thimble of thimble by the elevating system drive.
8. The laser chip appearance inspection sorter of claim 8, wherein: the ejector pin base comprises an ejector pin base and an ejector pin sleeve sleeved on the outer side of the upper end of the ejector pin base, a vertical through hole is formed in the middle of the ejector pin base, and the vertical through hole is communicated with the interior of the ejector pin sleeve to form a negative pressure cavity; the thimble through hole and the negative pressure adsorption hole are both arranged on the top surface of the thimble sleeve; the thimble structure comprises a thimble sleeve, and is characterized in that a thimble clamp is arranged in the upper end of the thimble sleeve, a vertical clamping hole for containing a thimble is formed in the middle of the upper end of the thimble clamp, the lower end of the thimble clamp is connected with a lifting mechanism, a thimble seat is mounted at the top of a supporting seat below the thimble clamp, and the supporting seat is mounted on a third XY-axis manual fine-adjustment translation table below the supporting seat.
9. The laser chip appearance inspection sorter of claim 9, wherein: the lifting mechanism comprises a vertical connecting rod, an eccentric wheel, a connecting block and a lifting motor, the vertical connecting rod is in sliding fit with the vertical through hole through a linear bearing, and the upper end of the vertical connecting rod is connected with the lower end of the thimble clamp; the lifting motor is transversely arranged, a motor shaft of the lifting motor is connected with the middle part of one end of the eccentric wheel, the other end of the eccentric wheel is connected with the lower end of the connecting block, and the upper end of the connecting block is connected with the lower end of the vertical connecting rod through a connecting piece.
10. The working method of the laser chip appearance inspection sorter as claimed in claim 2, wherein: the method comprises the following steps:
(1) the membrane disc with the chip to be tested is arranged in the first membrane disc fixing mechanism, and the empty membrane disc is placed on the second membrane disc fixing mechanism;
(2) a chip positioning detection camera acquires a coordinate position parameter of a first chip to be detected and sends the coordinate position parameter to a controller;
(3) the first film disc fixing mechanism receives data of the chip positioning detection camera to perform correction movement, and the chip positioning detection camera acquires an ID number and an appearance picture of the chip; after the ID is obtained, extracting corresponding test parameters and chip appearance from the server for judgment;
(4) the swing arm moves to a chip pickup coordinate point and then descends to a preset position, and the ejector pin mechanism jacks up the chip and then the lower end of the suction pipe adsorbs the chip;
(5) the swing arm rises and rotates, shifts the chip to chip sorting station, and second membrane dish fixed establishment sets for standard and outward appearance according to test parameter on the chip sorting station, will appoint empty membrane dish and remove to the straw below of swing arm, and the swing arm is placed the chip on the straw on the membrane dish after descending to preset position, accomplishes chip classification and places.
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| CN114733794B (en) | 2024-06-21 |
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