CN110775586A - Feeding system of automatic optical detection machine for PCB (printed circuit board) - Google Patents
Feeding system of automatic optical detection machine for PCB (printed circuit board) Download PDFInfo
- Publication number
- CN110775586A CN110775586A CN201911124008.8A CN201911124008A CN110775586A CN 110775586 A CN110775586 A CN 110775586A CN 201911124008 A CN201911124008 A CN 201911124008A CN 110775586 A CN110775586 A CN 110775586A
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- plate
- feeding
- support body
- belt wheel
- belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention relates to the technical field of PCB detection, and discloses a feeding system of an automatic optical detection machine for a PCB, which comprises a conveying table and a conveying device, wherein the conveying device comprises a first frame body, a second frame body, a feeding conveyor belt and a feeding conveyor belt, the feeding conveyor belt and the feeding conveyor belt are arranged on the first frame body and the second frame body, the feeding conveyor belt and the feeding conveyor belt are positioned on the same horizontal plane, a pressing plate mechanism is arranged above the feeding conveyor belt, a baffle mechanism is arranged between the feeding conveyor belt and the feeding conveyor belt, and a linkage assembly is arranged between the baffle mechanism and the pressing plate mechanism. The invention has the following advantages and effects: a pressing plate mechanism is arranged above the feeding conveyor belt, and is used for pressing the plate, so that the vibration of the plate when the plate enters the detection machine is reduced; a baffle mechanism is arranged between the feeding conveyor belt and the feeding conveyor belt to limit the plate to enter the feeding conveyor belt, so that the damage of the plate is reduced; set up the linkage subassembly between baffle mechanism and pressure plate mechanism, reduced the use quantity of motor, improved the compactness of mechanism connection.
Description
Technical Field
The invention relates to the technical field of PCB detection, in particular to a feeding system of an automatic optical detection machine for a PCB.
Background
The automatic optical detection is equipment for detecting common defects encountered in welding production based on an optical principle, a machine automatically scans a PCB through a camera, acquires images, compares the tested welding spots with qualified parameters in a database, inspects the defects on the PCB through image processing, and displays/marks the defects through a display or an automatic mark for repair personnel to repair.
The plate feeding system of prior art transports the plate to the feeding drive belt in through the manipulator, detect in feeding the plate into the automated optical inspection machine through the feeding conveyer belt, to the PCB plate of same model, the detection track regulation relatively fixed of automated optical inspection machine, it carries out the high accuracy matching to need the feeding conveyer belt and the detection track of automated optical inspection machine, nevertheless can cause the unable entering of plate to detect the track because of the vibrations of plate in data send process, the plate of rear continues to move forward and makes the plate take place the collision wearing and tearing.
Disclosure of Invention
The invention aims to provide a feeding system of an automatic optical detector for a PCB, which has the effect of stable feeding.
The technical purpose of the invention is realized by the following technical scheme: a feeding system of an automatic optical detection machine for PCB boards comprises a conveying platform, a conveying device arranged on the conveying platform and used for feeding boards into the detection machine, wherein the conveying device comprises a first frame body and a second frame body which are arranged on the conveying platform in parallel, a feeding conveyor belt arranged on the first frame body and the second frame body and used for feeding boards into the detection machine, and a feeding conveyor belt used for feeding boards into the feeding conveyor belt, the feeding conveyor belt and the feeding conveyor belt are positioned on the same horizontal plane, a pressing plate mechanism which is positioned above the feeding conveyor belt and used for pressing the boards on the feeding conveyor belt is arranged on the frame body, a baffle mechanism which limits the boards on the feeding conveyor belt to enter the feeding conveyor belt is arranged between the feeding conveyor belt and the feeding conveyor belt, and a linkage component is arranged between the baffle mechanism and the pressing plate mechanism, when the plate pressing mechanism presses the plate, the baffle mechanism limits the plate to enter the feeding conveyor belt, and when the clamping mechanism is loosened, the baffle mechanism enables the plate to enter the feeding conveyor belt.
Through adopting above-mentioned technical scheme, set up the pay-off conveyer belt that carries out the conveying to the plate respectively on the conveying platform and convey the feeding conveyer belt in the optical detection machine with the plate, set up pressure plate mechanism above the feeding conveyer belt, compress tightly the operation to the plate that will get into in the optical detection machine detection track, reduce the vibrations of plate when getting into the detection machine, improve the stability of plate conveying, and simultaneously, set up baffle mechanism between feeding conveyer belt and pay-off conveyer belt, and link baffle mechanism and pressure plate mechanism through the linkage subassembly, baffle mechanism blocks the rear with the plate that will get into in the feeding conveyer belt promptly when pressure plate mechanism compresses tightly the plate on the feeding conveyer belt, limit the plate to get into in the feeding conveyer belt and collide the extrusion with the plate on the feeding conveyer belt and cause the plate to damage.
The invention is further provided with: the utility model discloses a feed conveyor, including support body one with two tops of support body are provided with and are located the roof of feed conveyor top, splint mechanism package a plurality of sliding connection in the guide arm that compresses tightly of roof, set up the confession on the roof compress tightly the guide hole that the guide arm stretched into perpendicularly, it is located to compress tightly to be provided with on the guide arm the roof with connecting plate between the feed conveyor, every compress tightly guide arm fixed connection in the connecting plate, it is equipped with to be located to compress tightly the cover on the guide arm reset spring of roof upper end, it is provided with the restriction to compress tightly the guide arm tip reset spring breaks away from compress tightly the spacing portion of guide arm, support body one with rotate on the support body two and be connected with a plurality of being located the roof with clamp plate cam between the connecting plate, the connecting plate receives clamp plate.
Through adopting above-mentioned technical scheme, rotate the clamp plate cam, the clamp plate cam exerts thrust to the connecting plate and makes the guide arm that compresses tightly of connecting on the connecting plate slide along the guiding hole, will establish the reset spring compression on compressing tightly the guide arm simultaneously, and realize compressing tightly to the plate, improve the stability of plate feeding, rotate the clamp plate cam after in the plate optical detection machine of feeding completely, reset spring realizes resetting compressing tightly the promotion of guide arm through promoting spacing portion, make the plate on the pay-off conveyer belt can be smooth enter into in the feeding conveyer belt, the continuity of splint mechanism has been improved.
The invention is further provided with: the method is characterized in that: the pressing guide rod is connected with a pressing slide rod in a sliding mode, the pressing guide rod is close to one end of the feeding conveying belt and provided with an adjusting slide hole, the pressing guide rod stretches into the adjusting slide hole, a pressing spring is arranged in the adjusting slide hole and located on the bottom surface of the adjusting slide hole, the pressing slide rod stretches into the adjusting slide hole end portion, the pressing slide rod is separated from a limiting convex portion of the adjusting slide hole, and the pressing slide rod stretches out one end of the adjusting slide hole is connected with a pressing roller in a rotating mode.
Through adopting above-mentioned technical scheme, sliding connection compresses tightly the slide bar compressing tightly the guide arm, one end sets up pressure spring compressing tightly the slide bar and stretching into the regulation slide opening, stretch out regulation slide opening one end rotation connection and compress tightly the gyro wheel compressing tightly the cam through the drive connection when compressing tightly the guide arm, through setting up the contact that compresses tightly the gyro wheel of slide bar tip and plate reduced the plate friction when moving on the feeding conveyer belt, it promotes to compress tightly the slide bar and compresses tightly the plate to set up pressure spring in adjusting the slide opening, make splint mechanism press from both sides tightly the plate of different thickness, pressure spring's buffering has avoided because compressing tightly the gyro wheel and exerting pressure to the plate and too big plate damage that causes simultaneously.
The invention is further provided with: baffle mechanism includes limit baffle, drive limit baffle reciprocating sliding restriction plate gets into feeding conveyer belt to heart slider-crank mechanism, to heart slider-crank mechanism include with limit baffle fixed connection's baffle slider, confession baffle slider slides the spacing slide of embedding, rotate connect in carousel, both ends of spacing slide below rotate respectively connect in the baffle slider with the push pedal connecting rod of carousel terminal surface, support body one with support body two is kept away from be provided with the drive on the feeding conveyer belt terminal surface carousel pivoted step motor one.
Through adopting above-mentioned technical scheme, step motor drive carousel simple harmonic motion, the baffle slider that the carousel is connected with limit baffle through push pedal connecting rod drive slides along spacing slide reciprocating, realizes the control whether can enter into the feeding drive belt to the plate from the conveying and conveying area.
The invention is further provided with: the pressing plate cam is set to be oval, the end part of the rotating shaft of the pressing plate cam is fixedly connected with a driving belt wheel, a first transmission belt is sleeved between two adjacent driving belt wheels, a first belt groove which is formed by the first transmission belt and is sleeved on the driving belt wheel is arranged on the driving belt wheel, the linkage assembly comprises a first transmission belt wheel which is respectively and rotatably connected to the end surface of the first frame body and the second frame body, which is far away from the clamping plate mechanism, a transmission rotating shaft which is arranged below the feeding conveying belt, a second transmission belt wheel which is arranged on the end surface of the rotating plate, which is far away from the push plate connecting rod, a third transmission belt wheel and a fourth transmission belt wheel which are in belt transmission with the first transmission belt wheel and the second transmission belt wheel are respectively arranged at the two end parts of the transmission rotating shaft, and a fourth transmission belt is sleeved between the second transmission belt wheel and the fourth transmission belt wheel.
Through adopting above-mentioned technical scheme, realize through belt drive between two driving pulley that a plurality of clamp plate cams carry out synchronous syntropy and rotate, improved the stability that clamp plate cam drive connecting plate removed, realize the linkage between splint mechanism and baffle mechanism through belt drive between driving pulley one and transmission pivot, transmission pivot and the transmission pulley are two, reduced the use quantity of motor, improved the compactness of mechanism connection.
The invention is further provided with: the method is characterized in that: the transmission ratio among the third transmission belt wheel, the first transmission belt wheel and the driving belt wheel is 1: 1, and the transmission ratio between the fourth transmission belt wheel and the second transmission belt wheel is 2: 1.
Through adopting above-mentioned technical scheme, set up drive ratio between drive pulley three, drive pulley one, the drive pulley to 1: 1, set up drive ratio between drive pulley four and drive pulley two to 2: 1, because the clamp plate cam sets up to the ellipse, when the carousel rotates 180, the clamp plate cam rotates 90 to set up to when the clamp plate cam will connect the board to press to the bottommost, carousel drive baffle slider upwards moves to the topmost in order to restrict the plate and pass through.
The invention is further provided with: the utility model discloses a conveying device, including conveying bench, support body, two sliding connection of support body, conveying bench, be provided with at least one with a support body looks vertically sliding guide, two bottoms of support body are provided with the confession sliding guide embedding direction slider, the conveying bench is provided with the regulation the support body one with the adjusting part of two intervals of support body, adjusting part including rotate connect in conveying bench two adjust the lead screw, be provided with on the support body two with adjust the lead screw nut that the lead screw is connected, the conveying bench is provided with the drive adjust the synchronous pivoted step motor two of lead screw.
Through adopting above-mentioned technical scheme, with a support body fixed connection at the conveying bench, slide the setting at the conveying bench with support body two, adjust the lead screw through two drives of step motor and rotate the distance of adjusting between support body one and the support body two, realize the transmission to different width plates.
The invention has the beneficial effects that:
1. set up pressure plate mechanism above the feeding conveyer belt, compress tightly the operation to the plate that will get into optical detection machine detection track, reduce the vibrations of plate when getting into the detection machine.
2. Set up baffle mechanism between feeding conveyer belt and pay-off conveyer belt, during the restriction plate got into the feeding conveyer belt, alleviate the collision extrusion between the plate and cause the plate to damage.
3. Set up the linkage subassembly between baffle mechanism and clamp plate mechanism, when the clamp plate cam pressed the connecting plate to the bottommost, carousel drive baffle slider rebound passed through with the restriction plate to the topmost, reduced the use quantity of motor, improved the compactness that the mechanism connects.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is an internal structural view of the platen mechanism of the present embodiment.
Fig. 3 is an enlarged view of the embodiment a.
Fig. 4 is an enlarged view of the present embodiment B.
Fig. 5 is an enlarged view of the present embodiment C.
FIG. 6 is a transmission relationship diagram of the clamping plate mechanism and the baffle plate mechanism in the embodiment
Fig. 7 is a positional relationship diagram of the platen mechanism of the present embodiment.
In the figure, 1, a transfer table; 2. a first frame body; 21. a second frame body; 211. a top plate; 212. a sensor holder; 213. an optical sensor; 3. a baffle mechanism; 31. a limit baffle; 32. a baffle slider; 33. a limiting slide way; 34. a push plate connecting rod; 35. a turntable; 351. a second transmission belt wheel; 352. a fourth transmission belt; 36. a transmission rotating shaft; 361. a fourth driving belt wheel; 362. a third transmission belt wheel; 363. a second transmission belt; 37. a first stepping motor; 38. a first transmission belt wheel; 381. a third transmission belt; 4. adjusting the lead screw; 41. a sliding guide rail; 42. a guide slider; 43. a second adjusting belt wheel; 44. adjusting the belt; 45. a motor frame; 451. a second stepping motor; 452. a first adjusting belt wheel; 453. a tension wheel; 5. a feeding conveyor belt; 6. a feed conveyor; 7. a platen mechanism; 71. compressing the guide rod; 711. a limiting part; 72. a return spring; 73. a connecting plate; 74. a compression spring; 75. compressing the sliding rod; 751. pressing the roller; 752. a limiting convex part; 76. a platen cam; 761. a drive pulley; 762. and a first transmission belt.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The embodiment provides a feeding system of an automatic optical detection machine for PCB boards, as shown in FIG. 1, FIG. 4 and FIG. 5, comprising a conveying table 1 and a conveying device arranged on the conveying table 1, wherein the conveying device comprises a first frame body 2 and a second frame body 21 which are arranged on the conveying table 1 in parallel, and a feeding conveyor belt 6 and a feeding conveyor belt 5 which are arranged on the first frame body 2 and the second frame body 21, the feeding conveyor belt 6 and the feeding conveyor belt 5 are positioned on the same horizontal plane, a pressing plate mechanism 7 positioned above the feeding conveyor belt 6 is arranged on the first frame body 2 and the second frame body 21, a baffle mechanism 3 is arranged between the feeding conveyor belt 6 and the feeding conveyor belt 5, a sensor frame 212 positioned at the right end of the feeding conveyor belt 6 is arranged on the first frame body 2, an optical sensor 213 is connected on the sensor frame 212, the first frame body 2 is fixedly connected on the conveying table 1, the second frame, the conveying table 1 is provided with two sliding guide rails 41 perpendicular to the first frame body 2, the bottom of the second frame body 21 is provided with a guide slider 42 for the sliding guide rails 41 to be embedded into, the conveying table 1 is provided with an adjusting assembly for adjusting the distance between the first frame body 2 and the second frame body 21, the adjusting assembly comprises two adjusting screws 4 rotatably connected to the conveying table 1, the second frame body 21 is provided with screw nuts connected with the adjusting screws 4, the conveying table 1 is provided with a motor frame 45 positioned between the two adjusting screws 4, the motor frame 45 is provided with a second stepping motor 451 driving the adjusting screws 4 to synchronously rotate, a first adjusting belt wheel 452 is arranged on a rotating shaft of the second driving motor, the end parts of the two adjusting screws 4 are provided with second adjusting belt wheels 43, an adjusting belt 44 is sleeved between the first adjusting belt wheel 452 and the second adjusting belt wheel 43, and two tensioning wheels 453 positioned below the adjusting belt 44 are rotatably connected to the motor, the belt drive between the first adjusting belt wheel 452 and the second adjusting belt wheel 43 is set to be synchronous belt drive, when plate feeding is carried out, a manipulator (not marked in the figure) grabs the PCB to the feeding conveyor belt 5, the feeding conveyor belt 5 conveys the PCB to the feeding conveyor belt 6, the PCB moves to the end part of the frame body on the feeding conveyor belt 6, the optical sensor 213 receives a signal that the plate stretches out the first frame body 2, the plate on the feeding conveyor belt 6 is clamped by the pressing mechanism 7, stable feeding of the PCB to the automatic optical detector is realized, and meanwhile, the baffle mechanism 3 limits the PCB on the feeding conveyor belt 5 to enter the feeding conveyor belt 6 to collide with the PCB on the feeding conveyor belt 6.
As shown in fig. 7, the top ends of the first frame body 2 and the second frame body 21 are provided with a top plate 211 located above the feeding conveyor belt 6, the clamping plate mechanism comprises a plurality of pressing guide rods 71 slidably connected to the top plate 211, the top plate 211 is provided with guide holes for the pressing guide rods 71 to vertically extend into, the pressing guide rods 71 are provided with connections between the top plate 211 and the feeding conveyor belt 6, each of the pressing guide rods is fixedly connected to a connecting plate 73, the pressing guide rods 71 are sleeved with return springs 72 located at the upper ends of the top plate 211, the end portions of the pressing guide rods 71 are provided with limiting portions 711 for limiting the return springs 72 to be separated from the pressing guide rods 71, the first frame body 2 and the second frame body 21 are rotatably connected with a plurality of elliptical pressure plate cams 76 located between the top plate 211 and the connecting plate 73, when the elliptical pressure plate cams 76 are rotated to enable the major axes to be perpendicular to the, the PCB is clamped once, and the PCB is rotated by 90 degrees continuously to realize the loosening of the clamping plate mechanism.
As shown in fig. 2, a pressing slide bar 75 extending out of the connecting plate 73 is slidably connected in the pressing guide rod 71, an adjusting slide hole into which the pressing guide rod 71 extends is formed in one end of the pressing guide rod 71 close to the feeding conveyor 6, a pressing spring 74 located between the bottom surface of the adjusting slide hole and the upper end surface of the pressing slide bar 75 is arranged in the adjusting slide hole, a limiting convex portion 752 limiting the pressing slide bar 75 to be separated from the adjusting slide hole is formed in the upper end surface of the pressing slide bar 75, one end of the pressing slide bar 75 extending out of the adjusting slide hole is rotatably connected with a pressing roller 751, when the pressing cam 76 drives the connecting plate 73 to slide downwards, the pressing roller 751 is contacted with the PCB plate to clamp the PCB plate, the pressing slide bar 75 slides in the adjusting slide hole and buffers and resets the pressing slide bar 75 through the pressing.
As shown in fig. 3 and 6, the baffle mechanism 3 includes a limit baffle 31, a centering slider-crank mechanism for driving the limit baffle 31 to slide back and forth to limit the plate entering the feeding conveyor belt 6, the centering slider-crank mechanism includes a baffle slider 32 fixedly connected with the limit baffle 31, a limit slide 33 for the baffle slider 32 to slide and embed, a rotary disc 35 rotatably connected below the limit slide 33, a push plate connecting rod 34 rotatably connected to the end surfaces of the baffle slider 32 and the rotary disc 35 at two ends respectively, and a first stepping motor 37 for driving the rotary disc 35 to rotate is arranged on the end surface of the first frame body 2 and the second frame body 21 away from the feeding conveyor belt 6.
As shown in fig. 3, 4 and 6, the end of the rotating shaft of the pressing plate cam 76 is fixedly connected with a driving pulley 761, the driving pulley 761 is located outside the first frame body 2 and the second frame body 21, a first driving belt 762 is sleeved between two adjacent driving pulleys 761, a first belt slot for the first driving belt 762 to be sleeved is arranged on the driving pulley 761, a linkage assembly is arranged between the baffle mechanism 3 and the pressing plate mechanism 7, the linkage assembly comprises a first driving pulley 38 rotatably connected to the outer end surfaces of the first frame body 2 and the second frame body 21, a second driving shaft 36 rotatably connected to the lower side of the feeding conveyor 6, a second driving pulley 351 arranged on the end surface of the rotating disc 35 far away from the pushing plate connecting rod 34, a third driving pulley 362 and a fourth driving pulley 361 forming belt drive with the first driving pulley 38 and the second driving pulley 351 are respectively arranged at the two ends of the driving shaft 36, a second driving belt 363 is sleeved between, a third driving belt 381 is sleeved between the first driving belt wheel 38 and the first driving belt wheel 761, a fourth driving belt 352 is sleeved between the second driving belt wheel 351 and the fourth driving belt wheel 361, the driving ratio among the third driving belt wheel 362, the first driving belt wheel 38 and the first driving belt wheel 761 is 1: 1, the driving ratio among the fourth driving belt wheel 361 and the second driving belt wheel 351 is 2: 1, when the long shaft of the pressing plate cam 76 is perpendicular to the connecting plate 73, the limiting baffle 31 moves to the highest point along the limiting slide rail 33, and the belt transmissions among the driving belt wheels 761, the third driving belt wheel 362, the first driving belt wheel 38, the first driving belt wheel 761 and the fourth driving belt wheel 361 and the second driving belt wheel 351 are all set to be synchronous.
Use PCB board automatic optical inspection machine feeding system, according to the model of the PCB plate that awaits measuring through step motor two 451 adjust the distance between support body one 2 and support body two 21, the manipulator carries the PCB plate on the pay-off conveyer belt 5, in the pay-off conveyer belt 5 carries the plate to the pay-off conveyer belt 6, when the PCB plate tip stretches out the pay-off conveyer belt 6, optical sensor 213 receives the signal, step motor one 37 drive carousel 35 rotates 180, limit baffle 31 moves to the highest department along spacing slide 33 and gets into the pay-off conveyer belt 6 with the PCB plate on the restriction pay-off conveyer belt 5, linkage assembly drive clamp plate cam 76 rotates 90 simultaneously and promotes connecting plate 73 and move down, pinch roller 751 compresses tightly the operation to the PCB plate.
Claims (7)
1. The utility model provides an automatic optical inspection machine feeding system of PCB board, including conveying platform (1), set up in be arranged in sending the conveyer in the detection machine with the plate on conveying platform (1), conveyer including parallel arrangement in support body (2) and support body two (21) on conveying platform (1), set up in be used for on support body (2) and support body two (21) feeding conveyer belt (6) that detect the machine is sent to the plate and be used for sending the plate into feeding conveyer belt (5) of feeding conveyer belt (6), feeding conveyer belt (6) with feeding conveyer belt (5) are located same horizontal plane, be provided with on the support body and be located feeding conveyer belt (6) top compresses tightly clamp plate mechanism (7) of plate on feeding conveyer belt (6), feeding conveyer belt (6) with be provided with the restriction between feeding conveyer belt (5) on the plate gets into feeding conveyer belt (6) on the plate The plate feeding mechanism comprises a baffle mechanism (3), a linkage assembly is arranged between the baffle mechanism (3) and the pressing plate mechanism (7), when the pressing plate mechanism (7) presses the plates, the baffle mechanism (3) limits the plates to enter the feeding conveyor belt (6), and when the clamping plate mechanism is loosened, the baffle mechanism (3) enables the plates to enter the feeding conveyor belt (6).
2. The feeding system of the automatic optical inspection machine for PCB boards as claimed in claim 1, wherein: support body one (2) with support body two (21) top is provided with and is located roof (211) of feeding conveyer belt (6) top, splint mechanism package a plurality of sliding connection in roof (211) compress tightly guide arm (71), set up the confession on roof (211) compress tightly the guiding hole that guide arm (71) stretched into perpendicularly, it is located to compress tightly to be provided with on guide arm (71) roof (211) with connecting plate (73) between feeding conveyer belt (6), every compress tightly guide arm (71) fixed connection in connecting plate (73), it is equipped with and is located to compress tightly cover on guide arm (71) reset spring (72) of roof (211) upper end, it is provided with the restriction to compress tightly guide arm (71) tip reset spring (72) break away from compress tightly spacing portion (711) of guide arm (71), support body one (2) with it is connected with a plurality of being located to rotate on support body two (21) roof (211) with connecting plate (73) ) The connecting plate (73) is pushed by the pressing plate cam (76) to move downwards to press the plate on the feeding conveyor belt (6).
3. The feeding system of the automatic optical inspection machine for PCB boards as claimed in claim 2, wherein: compress tightly guide arm (71) sliding connection and compress tightly slide bar (75), it is close to compress tightly guide arm (71) one end sets up the confession compress tightly the regulation slide opening that guide arm (71) stretched into, it is located to adjust the slide opening bottom surface with compress tightly slide bar (75) and stretch into adjust pressure spring (74) between the slide opening terminal surface, compress tightly slide bar (75) and stretch into adjust the slide opening tip and set up the restriction compress tightly slide bar (75) and break away from adjust the spacing convex part (752) of slide opening, compress tightly slide bar (75) and stretch out it is connected with pressure roller (751) to adjust slide opening one end rotation.
4. The feeding system of the automatic optical inspection machine for PCB boards as claimed in claim 2, wherein: baffle mechanism (3) include limit baffle (31), drive limit baffle (31) reciprocating sliding restriction plate gets into the heart slider-crank mechanism of feeding conveyer belt (6), include to heart slider-crank mechanism with limit baffle (31) fixed connection's baffle slider (32), confession baffle slider (32) slide spacing slide (33), the rotation connect in carousel (35), both ends of spacing slide (33) below rotate respectively connect in baffle slider (32) with push pedal connecting rod (34) of carousel (35) terminal surface, support body (2) with two (21) keep away from be provided with the drive on feeding conveyer belt (6) terminal surface carousel (35) pivoted step motor (37).
5. The feeding system of the automatic optical inspection machine for PCB boards as claimed in claim 4, wherein: the pressing plate cam (76) is oval, the end part of the rotating shaft of the pressing plate cam (76) is fixedly connected with a driving belt wheel (761), a first transmission belt (762) is sleeved between every two adjacent driving belt wheels (761), a first belt groove for sleeving the first transmission belt (762) is formed in the driving belt wheel (761), the linkage assembly comprises a first transmission belt wheel (38) which is respectively and rotatably connected to the end face, far away from the clamping plate mechanism, of the first frame body (2) and the second frame body (21), a second transmission belt wheel (351) which is rotatably connected to the lower part of the feeding transmission belt (6), and a second transmission belt wheel (351) which is arranged on the end face, far away from the push plate connecting rod (34), of the turntable (35), and the two end parts of the transmission shaft (36) are respectively provided with a third transmission belt wheel (362) and a fourth transmission belt wheel (361) which form belt transmission with the first, the driving belt wheel (38) and the driving belt wheel (362) are sleeved with a driving belt (363), the driving belt wheel (38) and the driving belt wheel (761) are sleeved with a driving belt (381), and the driving belt wheel (351) and the driving belt wheel (361) are sleeved with a driving belt (352).
6. The feeding system of the automatic optical inspection machine for PCB boards as claimed in claim 5, wherein: the transmission ratio among the third transmission belt wheel (362), the first transmission belt wheel (38) and the driving belt wheel (761) is 1: 1, and the transmission ratio between the fourth transmission belt wheel (361) and the second transmission belt wheel (351) is 2: 1.
7. The feeding system of the automatic optical inspection machine for PCB board as claimed in claim 6, wherein: support body one (2) fixed connection in conveying platform (1) is last, two (21) sliding connection of support body in conveying platform (1), conveying platform (1) go up be provided with at least one with support body one (2) looks vertically sliding guide (41), two (21) bottoms of support body are provided with the confession sliding guide (41) embedding direction slider (42), conveying platform (1) is last to be provided with the regulation support body one (2) with the adjusting part of two (21) intervals of support body, adjusting part including rotate connect in two regulation lead screw (4) on conveying platform (1), be provided with on two (21) of support body with adjust the lead screw nut that lead screw (4) are connected, conveying platform (1) is last to be provided with the drive adjust lead screw (4) synchronous pivoted two step motor (451).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124008.8A CN110775586B (en) | 2019-11-15 | 2019-11-15 | Feeding system of automatic optical detection machine for PCB (printed circuit board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911124008.8A CN110775586B (en) | 2019-11-15 | 2019-11-15 | Feeding system of automatic optical detection machine for PCB (printed circuit board) |
Publications (2)
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| CN112478583A (en) * | 2020-12-11 | 2021-03-12 | 湖北中纬幸和自动化设备科技有限公司 | Conveying and positioning device of PCB optical detection machine |
| CN112666179A (en) * | 2020-12-11 | 2021-04-16 | 湖北中纬幸和自动化设备科技有限公司 | Conveying positioner based on AOI detector |
| CN113670940A (en) * | 2021-08-23 | 2021-11-19 | 湖北中纬幸和自动化设备科技有限公司 | AOI detector of PCB board |
| CN114749392A (en) * | 2022-05-25 | 2022-07-15 | 湖北中纬幸和自动化设备科技有限公司 | Detection diverging device of PCB board |
| CN115196256A (en) * | 2021-04-12 | 2022-10-18 | 北京小米移动软件有限公司 | Pre-pressing assembly line |
| CN115214031A (en) * | 2022-06-28 | 2022-10-21 | 南通远顺耐纤有限公司 | Ceramic fiber plate shaping and cutting equipment with control treatment function |
| CN116923963A (en) * | 2023-09-15 | 2023-10-24 | 长沙麦睛科技股份有限公司 | High-precision conveying line mechanism suitable for line scanning CCD optical detection |
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