Detection sorting device for optical fiber wiring terminal
Technical Field
The invention relates to the technical field of optical fiber connector production, in particular to a detection and sorting device for an optical fiber wiring terminal.
Background
The general optical fiber connector uses plastic material connecting terminal and pin, it is mainly used in consumer electronic products such as video, audio frequency, etc. or short distance optical fiber communication using plastic optical fiber, after the user connects the consumer electronic products, the transmission of optical fiber signal is achieved by the optical fiber connecting terminal and the female seat of the optical fiber connector, the general optical fiber connecting terminal is mostly made of plastic material shell without light guide, the optical fiber is installed in the shell, the optical fiber connecting terminal is also provided with dustproof door. In order to meet the production requirement, the performance of the optical fiber wiring terminal needs to be detected and sorted.
The patent with the publication number of CN205629933U and the patent name of the automatic assembling machine for the optical fiber connector is disclosed in 2016.10.12 by the national intellectual property office, and comprises a base, and an installation guide rail, a sliding block, a mechanical arm component, a feeding device and a driving device which are all installed on the base, wherein the driving device drives the sliding block to slide to a terminal end from a starting point end of the installation guide rail, and in the sliding process of the sliding block, the mechanical arm component splices a front frame sleeve, a core insert with a handle, a transparent tube, a spring and a plug which are sequentially provided by the feeding device one by one on the sliding block. The performance of the optical fiber connector assembled is not detected, and the qualified rate of products obtained by production cannot be guaranteed.
Disclosure of Invention
The purpose of the invention is: to the not enough that prior art exists, provide one kind and can lead to the optical detection to the binding post, dustproof door power is said and is tested, the multi-functional detection device that selects separately of optic fibre binding post of terminal modification.
For the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a multifunctional sorting detection device for an optical fiber wiring terminal comprises a rack, a feeding mechanism, a conveying mechanism, a conduction testing mechanism, a pressure testing mechanism, a correcting mechanism and a sorting mechanism; the feeding mechanism is arranged on the rack and used for placing the workpiece in the conveying mechanism; the conveying mechanism is positioned at the feeding end of the feeding mechanism, the conveying mechanism is arranged on the rack, and the conveying mechanism is used for conveying the workpiece from right to left; the conduction testing mechanism comprises a light emitting part and a light receiving part, and the light emitting part and the light receiving part are respectively arranged at two sides of the conveying mechanism; the pressure testing mechanism is arranged at the left end of the conduction testing mechanism and is arranged on the rack, and the pressure testing mechanism is used for testing the pressure of the workpiece jack dust-proof door; the correcting mechanism is positioned at the left end of the light receiving part and arranged on the conveying mechanism; the sorting mechanism is positioned at the left end of the conveying mechanism;
the conveying mechanism comprises a base plate, a conveying motor, a transition plate, a conveying cylinder, a conveying support, a conveying plate, a front baffle, a rear baffle and a discharging groove rail; the backing plate is fixed on the frame; the conveying motor is arranged on the base plate; the transition plate is transversely connected to the base plate through a slide rail assembly, and the transition plate is connected with the rotating end of the conveying motor through a screw rod assembly; the conveying cylinder is arranged on the transition plate; the two conveying supports are arranged on the frame, the conveying supports are arranged on two sides of the transition plate, and a transverse through groove is formed in the top of each conveying support; the conveying plate is arranged on the transition plate through a slide rail assembly, the bottom of the conveying plate is connected with the moving end of the conveying cylinder, and the left end and the right end of the conveying plate respectively penetrate through the two transverse through grooves; a plurality of U-shaped sheets are uniformly arranged at the top of the conveying plate; the front baffle and the rear baffle are both transversely arranged on the conveying support, a first boss is arranged at the bottom of the front baffle, a second boss which is as high as the first boss is arranged at the bottom of the rear baffle, and through grooves which reach the tops of the bosses directly are longitudinally formed in the front baffle and the rear baffle; the blanking groove rail is arranged at the end parts of the front baffle and the rear baffle.
Preferably, a gap is reserved between the first boss and the second boss, and the U-shaped sheet moves in the gap; the rear baffle is provided with a through groove; the top of the rear baffle is also provided with a cover plate, and the cover plate, the rear baffle and the front baffle jointly form a cavity matched with the workpiece.
Preferably, the feeding mechanism comprises a straight vibrator, a feeding trough rail, a material guide block, a feeding support, a feeding cylinder and a feeding sliding plate; the straight vibration device is arranged on the frame; the upper trough rail is transversely arranged on the vertical vibrator, a through groove is formed in the middle of the upper trough rail, and a boss which is turned inwards is arranged on the inner side of the upper end of the upper trough rail; the feeding end of the feeding chute rail is fixedly connected with the material guide block; the material guide block is transversely provided with a material guide block through groove; the through grooves of the material guide blocks are flush with the through grooves of the feeding chute rails; the feeding support is arranged on the rack; the feeding cylinder is longitudinally arranged at the top of the feeding bracket; the front part of the feeding sliding plate is fixedly connected with the moving end of the feeding cylinder, the bottom of the feeding sliding plate is connected with the feeding support in a sliding mode through a sliding rail assembly, the rear part of the feeding sliding plate is provided with a transverse sliding plate through groove, the inner side of the lower end of the sliding plate through groove is provided with a boss which is turned inwards, and the sliding plate through groove and the guide block through groove are parallel and level to form the same channel.
Preferably, the conduction testing mechanism comprises a light emitting part and a light receiving part; the light emitting part comprises a test supporting block, a first test air cylinder, a sliding plate and a laser generator; the test supporting block is arranged on the rack; the first testing cylinder is arranged on the testing support block; the sliding plate is arranged on the test supporting block through a sliding rail assembly, one end of the sliding plate is connected with the moving end of the first test cylinder, and the other end of the sliding plate is provided with two laser generators; the laser generator penetrates through the rear baffle; the light receiving component comprises a test support plate, a second test cylinder, a longitudinal moving plate and a laser receiver; the test supporting plate is arranged on the front baffle; the second testing cylinder is arranged on the testing support plate; the longitudinal moving plate is arranged on the test supporting plate through a sliding rail assembly, and the end part of the longitudinal moving plate is connected with the moving end of the second test cylinder; the number of the laser receivers is six, and the laser receivers are arranged at the end part of the longitudinal moving plate.
Preferably, the pressure testing mechanism comprises a supporting plate, a motor, an eccentric transmission shaft, a connecting plate, a sliding plate, a ball and a pressure sensor; two support plates are arranged on the frame; the motor is arranged between the two supporting plates; a disc is arranged in the middle of the eccentric transmission shaft; the disc and the upper half shaft have an eccentric distance, one end of the eccentric transmission shaft is connected with the rotating part of the motor, and the disc part of the eccentric transmission shaft is rotationally connected with the through hole of the connecting plate; the connecting plate is arranged at the top of the supporting plate; the sliding plate is movably connected with the connecting plate, and a groove-shaped hole is formed in the sliding plate in the vertical direction; the ball is connected with the groove pair of the groove-shaped hole in a matching way, and the ball is connected with the eccentric transmission shaft; the pressure sensor is arranged at the end part of the sliding plate, penetrates through the rear baffle and corresponds to the dustproof door of the workpiece.
Preferably, the pressure sensor is externally provided with a protective film, the protective film can protect the sensor from adhering dust and other impurities, so that the precision of the pressure sensor is influenced, and the protective film does not influence the testing precision of the pressure sensor.
Preferably, the correcting mechanism comprises a correcting support plate, a correcting cylinder, a correcting sliding plate and a correcting block; the correcting support plate is arranged on the front baffle; the correcting cylinder is arranged on the correcting support plate; the correcting sliding plate is connected with the correcting supporting plate in a sliding mode through the vertical sliding rail assembly, the top of the correcting sliding plate is connected with the moving end of the correcting cylinder, and the bottom of the correcting sliding plate is connected with the correcting block.
Preferably, the correcting block is provided with two rectangular through holes and three uniform circular through holes in the vertical direction; the size of the rectangular through hole is matched with that of a fastener of a workpiece; the diameter of the circular through hole is matched with the diameter of the tail end of the optical fiber core of the workpiece.
Preferably, the sorting mechanism comprises a sorting bracket, a sorting cylinder, a sorting sliding plate and a waste collecting channel; the sorting bracket is arranged on the rack; the sorting cylinder is arranged at the top of the sorting bracket; the sorting sliding plate is arranged at the top of the sorting bracket through a sliding rail assembly, the rear part of the sorting sliding plate is connected with the moving end of the sorting cylinder, the front part of the sorting sliding plate penetrates through the through groove, and the front end of the sorting sliding plate is provided with the through groove; the shape of the through groove is matched with the structure of the workpiece.
Preferably, when the device is operated, the straight vibration device conveys the workpiece into the through groove of the sliding plate, and the workpiece is pushed into a U-shaped sheet under the driving of the conveying cylinder; then the conveying motor and the conveying cylinder drive the U-shaped sheet to move intermittently, so that the workpiece is conveyed to a discharging end; the following processes are simultaneously performed during the stop time of the intermittent conveyance: firstly, a first testing cylinder and a second testing cylinder on the conduction testing mechanism are started simultaneously, a laser generator and a laser receiver are pushed onto a workpiece, and resetting is carried out after conduction detection is finished; secondly, the pressure sensor is driven by the motor to contact with a dustproof door of the workpiece, measures the elastic force, and then resets and stops; thirdly, the correcting block is driven by the correcting cylinder to enable the optical fiber core and the fastening piece of the workpiece to penetrate through the round through hole and the rectangular through hole, and the fastening piece and the optical fiber of the workpiece are properly aligned; when the conduction testing mechanism and the pressure testing mechanism are unqualified and the intermittent conveying is stopped, a sorting cylinder of the sorting mechanism is started to push unqualified workpieces into a waste collecting channel, and the resetting and stopping are carried out after the sorting is finished; when the workpieces are qualified, the U-shaped sheets convey the workpieces to the top end of the blanking groove rail, and the workpieces are automatically blanked under the action of gravity.
Compared with the prior art, the invention has the beneficial effects that: the U-shaped sheet is adopted for conveying, so that the conveying efficiency is higher, the positioning is more accurate, and the structure is simple; two laser generators are arranged, and because the conveying mode is intermittent, one workpiece can be tested twice, and misjudgment caused by poor contact is prevented, so that the testing accuracy is effectively improved, and unnecessary loss of the workpiece is prevented; the pressure testing mechanism is arranged for sorting the workpieces with proper pressure of the dustproof door, so that the qualification rate of the workpieces is improved, and unqualified workpieces with difficult use of the workpieces due to too large elasticity or incapable dustproof effect due to too small elasticity are prevented; the correcting mechanism is arranged to properly straighten the fastener and the optical fiber terminal of the workpiece, so that unqualified products with optical fibers touching each other due to bending of the optical fibers are prevented, and the product percent of pass is improved.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present invention.
Fig. 2 is an exploded view of the feed mechanism.
Fig. 3 is a schematic diagram of an exploded structure of the conveying mechanism.
Fig. 4 is a schematic view of the structure of the front and rear baffle plates.
Fig. 5 is an exploded view of the conduction testing mechanism.
Fig. 6 is a schematic diagram of an explosive structure of the pressure testing mechanism.
Fig. 7 is an exploded view of the calibration mechanism.
Fig. 8 is an exploded view of the sorting mechanism.
Detailed Description
As shown in fig. 1, the multifunctional sorting and detecting device for the optical fiber connecting terminal comprises a rack, a feeding mechanism 51, a conveying mechanism 52, a conduction testing mechanism 53, a pressure testing mechanism 54, a correcting mechanism 55 and a sorting mechanism 56; the feeding mechanism 51 is arranged on the rack, and the feeding mechanism 51 is used for placing workpieces in the conveying mechanism 52; the conveying mechanism 52 is positioned at the feeding end of the feeding mechanism 51, the conveying mechanism 52 is arranged on the rack, and the conveying mechanism 52 is used for conveying workpieces from right to left; the conduction testing mechanism 53 includes a light emitting part 531 and a light receiving part 532; the light emitting component 531 and the light receiving component 532 are respectively arranged at two sides of the conveying mechanism 52; the pressure testing mechanism 54 is positioned at the left end of the conduction testing mechanism 53, the pressure testing mechanism 54 is arranged on the rack, and the pressure testing mechanism 54 is used for testing the pressure of the workpiece jack dust-proof door; the correcting mechanism 55 is positioned at the left end of the light receiving component 532, and the correcting mechanism 55 is arranged on the conveying mechanism 52; the sorting mechanism 56 is located at the left end of the conveying mechanism 52.
As shown in fig. 2, the feeding mechanism 51 includes a vibrator 511, a feeding chute 512, a material guiding block 513, a feeding support 514, a feeding cylinder 515 and a feeding sliding plate 516; the straight vibration device 511 is arranged on the frame; the feeding chute rail 512 is transversely arranged on the vertical vibrator 511, a through groove is formed in the middle of the feeding chute rail 512, and a boss which is turned inwards is arranged at the inner side of the upper end of the feeding chute rail 512; the feeding end of the feeding chute 512 is fixedly connected with the material guide block 513; a material guide block through groove 5131 is transversely formed in the material guide block 513; the through groove 5131 of the material guide block is flush with the through groove of the feeding chute 512; the feeding bracket 514 is arranged on the frame; the feeding cylinder 515 is longitudinally arranged at the top of the feeding bracket 514; the front part of the feeding sliding plate 516 is fixedly connected with the moving end of the feeding cylinder 515, the bottom of the feeding sliding plate is connected with the feeding support 514 in a sliding mode through a sliding rail assembly, a transverse sliding plate through groove 5161 is formed in the rear part of the feeding sliding plate 516, an inward-folded boss is arranged on the inner side of the lower end of the sliding plate through groove 5161, and the sliding plate through groove 5161 is flush with the guide block through groove 5131 to form the same channel.
As shown in fig. 3 and 4, the conveying mechanism 52 includes a base plate 521, a conveying motor 522, a transition plate 523, a conveying cylinder 524, two conveying brackets 525, a conveying plate 526, a front baffle 527, a rear baffle 528 and a blanking groove rail 529; the base plate 521 is fixed on the frame; the conveying motor 522 is arranged on the base plate 521; the transition plate 523 is transversely connected to the base plate 521 through a slide rail assembly, and the transition plate 523 is connected with the rotating end of the conveying motor 522 through a screw rod assembly; the conveying cylinder 524 is arranged on the transition plate 523; the two conveying supports 525 are arranged on the frame, the conveying supports 525 are arranged on two sides of the transition plate 523, and the top of the conveying supports 525 is provided with a transverse through groove 5251; the conveying plate 526 is arranged on the transition plate 523 through a slide rail assembly, the bottom of the conveying plate 526 is connected with the moving end of the conveying cylinder 524, and the left end and the right end of the conveying plate 526 respectively penetrate through the two transverse through grooves 5251; a plurality of U-shaped sheets 5261 are uniformly arranged on the top of the conveying plate 526, and the U-shaped sheets 5261 are used for fixing and conveying workpieces; the front baffle 527 and the rear baffle 528 are transversely arranged on the conveying support 525, a first boss 5271 which is backward is arranged at the bottom of the front baffle 527, a second boss 5281 which is forward and as high as the first boss 5271 is arranged at the bottom of the rear baffle 528, through grooves 5272 which reach the tops of the bosses are longitudinally arranged on the front baffle 527 and the rear baffle 528, the through grooves are transversely arranged on the rear baffle 528, and a protrusion for preventing a workpiece from falling is arranged on the top of the rear baffle; a gap 5282 is reserved between the first boss 5271 and the second boss 5281, and the gap 5282 is used for the left-right and up-down movement of the U-shaped sheet 5261; the chute 529 is disposed at the ends of the front and rear baffles 527 and 528.
As shown in fig. 5, the conduction testing mechanism 53 includes a light emitting part 531 and a light receiving part 532; the light emitting part 531 comprises a test support block 5311, a first test cylinder 5322, a sliding plate 5313 and a laser generator 5314; the test supporting block 5311 is arranged on the rack; the first testing cylinder 5322 is arranged on the testing support block 5311; the sliding plate 5313 is arranged on the test support block 5311 through a sliding rail assembly, one end of the sliding plate 5313 is connected with the moving end of the first test cylinder 5322, and the other end of the sliding plate 5313 is provided with two laser generators 5314; the laser generator 5314 passes through the backplate 528; the light receiving component 532 comprises a test support plate 5321, a second test air cylinder 5322, a longitudinal moving plate 5323 and a laser receiver 5324; the test support plate 5321 is arranged on the front baffle 527; the second test cylinder 5322 is arranged on the test support plate 5321; the longitudinal moving plate 5323 is arranged on the test support plate 5321 through a slide rail assembly, and the end part of the longitudinal moving plate 5323 is connected with the moving end of the second test cylinder 5322; the number of the laser receivers 5324 is six, and the laser receivers 5324 are arranged at the end part of the longitudinal moving plate 5323.
As shown in fig. 6, the pressure testing mechanism 54 includes a supporting plate 541, a motor 542, an eccentric transmission shaft 543, a connecting plate 544, a sliding plate 545, balls 547, and a pressure sensor 546; two supporting plates 541 are arranged on the frame; the motor 542 is arranged between the two supporting plates 541; a disc 5431 is arranged in the middle of the eccentric transmission shaft 543; the disc 5431 has an eccentric distance with the upper half shaft, one end of the eccentric transmission shaft 543 is connected with the rotating part of the motor 542, and the disc 5431 part of the eccentric transmission shaft 543 is rotationally connected with the through hole of the connecting plate 544; the connection plate 544 is disposed on the top of the support plate 541; the sliding plate 545 is movably connected with the connecting plate 544, and a slot-shaped hole 5451 is formed in the sliding plate 545 in the vertical direction; the ball 547 is matched and connected with the groove pair of the groove-shaped hole 5451, and the ball 547 is connected with the eccentric transmission shaft 543; the pressure sensor 546 is disposed at the end of the sled 545, and the pressure sensor 546 passes through the tailgate 528, corresponding to the dust doors for the workpieces.
As shown in fig. 7, the correcting mechanism 55 includes a correcting support plate 551, a correcting cylinder 552, a correcting slide plate 553, and a correcting block 554; the correcting support plate 551 is arranged on the front baffle 527; the correction cylinder 552 is arranged on the correction support plate 551; the correcting sliding plate 553 is connected with the correcting supporting plate 551 in a sliding way through a vertical sliding rail assembly, the top of the correcting sliding plate 553 is connected with the moving end of the correcting cylinder 552, and the bottom of the correcting sliding plate 553 is connected with the correcting block 554; the correcting block 554 is provided with two rectangular through holes 5541 and three uniform circular through holes 5542 in the vertical direction; the size of the rectangular through hole 5541 is matched with that of a fastener of a workpiece; the diameter of the circular through hole 5542 is matched with the diameter of the tail end of the optical fiber core of the workpiece.
As shown in fig. 8, the sorting mechanism 56 includes a sorting frame 561, a sorting cylinder 562, a sorting slide 563, and a waste collection passage 564; the sorting bracket 561 is arranged on the frame; the sorting cylinder 562 is arranged at the top of the sorting bracket 561; the sorting sliding plate 563 is arranged at the top of the sorting support 561 through a sliding rail assembly, the rear part of the sorting sliding plate 563 is connected with the moving end of the sorting cylinder 562, the front part of the sorting sliding plate 563 penetrates through the through groove 5272, and the front end of the sorting sliding plate 563 is provided with a through groove; the shape of the through groove is matched with the structure of the workpiece.
When the multifunctional sorting detection device of the optical fiber wiring terminal works, a workpiece is conveyed into the sliding plate through groove 5161 by the straight vibrator 511, and the workpiece is pushed into a U-shaped sheet 5261 under the driving of the conveying cylinder 524; then the conveying motor 522 and the conveying cylinder 524 drive the U-shaped sheet 5261 to move intermittently, so that the workpiece is conveyed to a blanking end; the following processes are simultaneously performed during the stop time of the intermittent conveyance: firstly, the first testing cylinder 5322 and the second testing cylinder 5322 on the conduction testing mechanism 53 are started simultaneously, the laser generator 5314 and the laser receiver 5324 are pushed onto a workpiece, and reset is carried out after the conduction detection is finished; secondly, the pressure sensor 546 is driven by the motor 542 to contact with the dustproof door of the workpiece, measures the elastic force, and then resets and stops; thirdly, the correcting block 554 is driven by the correcting cylinder 552 to enable the optical fiber core and the fastener of the workpiece to pass through the circular through hole 5542 and the rectangular through hole 5541, and the fastener of the workpiece and the optical fiber are properly straightened; when the conduction testing mechanism 53 and the pressure testing mechanism 54 are unqualified and the intermittent conveying is stopped, the sorting cylinder 562 of the sorting mechanism 56 is started to push the unqualified workpiece into the waste material collecting channel 564, and the resetting and stopping are carried out after the sorting is finished; when the workpieces are qualified, the U-shaped sheets 5261 convey the workpieces to the top end of the blanking groove rail 529, and the workpieces are automatically blanked under the action of gravity.
The design of the U-shaped sheet 5261 on the multifunctional sorting detection device of the optical fiber wiring terminal solves the problem of complicated work piece positioning process, has positioning and supporting effects on a work piece in the testing process, and is higher in conveying efficiency, more accurate in positioning and simple in structure by adopting the U-shaped sheet 5261 relative to a belt and other transmission mechanisms; two laser generators 5314 are arranged, and because the conveying mode is intermittent, one workpiece can be tested twice, misjudgment caused by poor contact is prevented, the testing accuracy is effectively improved, and unnecessary loss of the workpiece is prevented; the pressure testing mechanism 54 is arranged for sorting the workpieces with proper pressure of the dustproof door, so that the qualification rate of the workpieces is improved, and unqualified workpieces with difficult use of the workpieces due to overlarge elasticity or incapable dustproof effect due to undersize elasticity are prevented; the correcting mechanism 55 is arranged to properly straighten the fastener and the optical fibers of the workpiece, so that unqualified products with the optical fibers touching each other due to bending of the optical fibers are prevented, and the product yield is improved.