CN112371527A

CN112371527A - Workpiece identification and sorting system of industrial automation production line

Info

Publication number: CN112371527A
Application number: CN202011226198.7A
Authority: CN
Inventors: 钱晓军
Original assignee: Suzhou Nanshi University Science Park Investment Management Co ltd; Nanjing Normal University
Current assignee: Suzhou Nanshi University Science Park Investment Management Co ltd; Nanjing Normal University
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-02-19

Abstract

The invention provides a workpiece identification and sorting system of an industrial automation production line, which comprises a main conveying roller bed, an image identification mechanism, a centering adjusting mechanism, a sorting and transferring mechanism and each inclined blanking mechanism. This work piece discernment letter sorting system of industrial automation line utilizes image recognition mechanism to carry out image recognition to the work piece of main conveying roller bed on transportation, confirms the next manufacturing procedure that each work piece needs go on to utilize letter sorting transport mechanism to transport the work piece to corresponding slope unloading mechanism department and carry out the unloading, thereby be convenient for transport to the processing equipment department that corresponds, realized the automatic identification and the transportation of work piece, improved the machining efficiency of work piece.

Description

Workpiece identification and sorting system of industrial automation production line

Technical Field

The invention relates to a workpiece identification and sorting system, in particular to a workpiece identification and sorting system of an industrial automation production line.

Background

In the existing production line of mechanical structure workpieces, in order to reduce the scale of the production line, different types of workpieces needing the same processing technology are often sent into a piece of processing equipment together for processing, and then the different types of workpieces after mixed processing are sent into other processing equipment in a manual classification mode.

Disclosure of Invention

The invention aims to: the workpiece recognition and sorting system of the industrial automation production line can recognize workpieces, so that subsequent processing procedures are determined, automatic sorting is realized, and the workpiece processing efficiency is improved.

In order to achieve the aim, the invention provides a workpiece identification and sorting system of an industrial automatic production line, which comprises a main conveying roller bed, an image identification mechanism, a centering adjusting mechanism, a sorting and transferring mechanism and each inclined blanking mechanism;

the image recognition mechanism comprises a control box body, a position sensor and an image recognition camera; the control box body is arranged above the main conveying roller bed through a mounting bracket; a controller, a WiFi module and a memory are arranged in the control box body; the in-position sensor and the image recognition camera are both arranged on the lower side surface of the control box body;

the centering adjusting mechanism comprises two centering adjusting units, and the two centering adjusting units are respectively arranged at the left side and the right side of the feeding side of the main conveying roller bed and used for pushing the workpiece to the middle of the main conveying roller bed; the sorting and transferring mechanism comprises a transferring roller bed, a transverse transferring mechanism and a blocking and limiting mechanism; the transfer roller bed is in butt joint with the discharging side of the main conveying roller bed and is used for longitudinally conveying workpieces; the transverse moving and transferring mechanism is arranged on the transferring roller bed and used for transversely conveying the workpiece; the blocking limiting mechanism is arranged on the blanking side of the transfer roller bed and used for controlling the blocking of the workpiece on the blanking side;

each inclined blanking mechanism is transversely distributed and is installed on the blanking side of the transfer roller bed in a butt joint mode and used for receiving corresponding workpieces after the blocking limiting mechanism cancels blocking; the controller is respectively electrically connected with the WiFi module, the memory and the image recognition camera, and coordinates and controls the transverse moving transfer mechanism and the blocking limiting mechanism.

Further, the transfer roller bed comprises a lower bottom plate, an upper bottom plate, a middle support column and two end face side plates; the middle support column is supported and arranged between the upper-layer bottom plate and the lower-layer bottom plate; the two end face side plates are vertically arranged on the left side and the right side of the upper layer bottom plate respectively, and each transfer conveying roller is transversely and rotatably arranged between the two end face side plates; the end part of one of the transferring conveying rollers extends out of the end face side plate, and a longitudinal transferring driving gear is arranged on the extending end; a transfer driving motor is arranged on the lower bottom plate and drives a longitudinal transfer driving gear to rotate through a transfer driving chain; the end part of each transfer conveying roller is provided with a transfer synchronous gear, and each transfer synchronous gear is driven by a transfer synchronous chain to rotate synchronously; a bottom supporting leg is arranged on the lower side surface of the lower bottom plate; a transfer driving circuit electrically connected with the controller is arranged in the control box body; the transfer driving circuit is electrically connected with the transfer driving motor, and the controller drives the transfer driving motor to rotate through the transfer driving circuit.

Further, the transverse moving and transferring mechanism comprises two transverse moving driving motors and each transverse moving driving unit; the transverse moving driving unit comprises a lifting support base, a square lifting seat, a lifting support sliding block, a horizontal pushing cylinder, two elastic drivers, a reversing driver and two transverse moving driving rubber wheels; lifting through windows are transversely distributed on the upper-layer bottom plate and close to the blanking side at intervals; the lifting support bases are transversely arranged on the lower bottom plate at intervals and are respectively positioned below the lifting through windows; a lifting square hole is vertically formed in the top of the lifting support base, the lower end of the square lifting seat is vertically installed in the lifting square hole, and an upper side extrusion slope surface is arranged on the lower end surface of the square lifting seat; a pulling and inserting square hole vertically communicated with the lifting square hole is formed in the side edge of the lifting support base; one end of the lifting support sliding block is inserted into the extraction and insertion square hole, and a lower side extrusion slope surface is arranged at the insertion end of the lifting support sliding block; the upper side extrusion slope surface and the lower side extrusion slope surface are in extrusion fit; the horizontal pushing cylinder is arranged on the lower bottom plate, and the end part of a piston rod of the horizontal pushing cylinder is fixedly arranged on the lifting support sliding block; a lifting electric control air valve electrically connected with the controller is connected in series on an air inlet and outlet pipeline of the horizontal pushing cylinder; the two transverse moving driving rubber wheels are rotatably arranged above the upper end surface of the square lifting seat through two vertical roller wheel supports, and the transverse moving driving rubber wheels are locally protruded between two adjacent transfer conveying rollers when the square lifting seat is lifted to a high position; the roller wheel shafts of the two transverse moving driving rubber wheels are positioned on the same longitudinal axis, and the end parts of the two roller wheel shafts are respectively and fixedly provided with an upper roller driving gear; a top groove is arranged on the upper end surface of the square lifting seat and between the two vertical roller wheel supports, and a rotary transmission shaft is longitudinally and rotatably arranged in the top groove; a middle transmission gear is fixedly arranged in the middle of the rotary transmission shaft, and a lower side roller driving gear is fixedly arranged at both ends of the rotary transmission shaft; the upper roller driving gear and the lower roller driving gear on the corresponding side are in rotary transmission through a roller driving chain; a vertical strip-shaped shaft hole is longitudinally arranged at the upper part of each square lifting seat in a penetrating manner, and the vertical strip-shaped shaft hole is communicated with the top groove; the two elastic drivers are respectively and rotatably arranged at the lower frames of the front side and the rear side of the corresponding lifting through windows, penetrate through the vertical strip-shaped shaft holes of the corresponding sides and extend into the top groove, and a transmission pinion is fixedly arranged on the extending end; the two traverse driving motors are both arranged on the lower side surface of the upper-layer bottom plate, one traverse driving motor drives each elastic driver on the front side to rotate in the forward direction through one traverse synchronous chain, and the other traverse driving motor drives each elastic driver on the rear side to rotate in the reverse direction through the other traverse synchronous chain; the reversing driver is arranged on the side edge of the square lifting seat and used for pushing a transmission pinion to leave the meshing position; when the square lifting seat rises to a high position, the middle transmission gear is meshed with the transmission pinion at the meshing position; two transverse moving driving circuits electrically connected with the controller are arranged in the control box body; the two transverse moving driving circuits are respectively and electrically connected with the two transverse moving driving motors, the controller respectively drives the two transverse moving driving motors to rotate through the two transverse moving driving circuits, and the controller also controls the reversing driver to reverse.

Furthermore, supporting sliding grooves are longitudinally formed in the inner walls of the left side and the right side of the lifting square hole and the pulling and inserting square hole; two extrusion supporting rollers are rotatably mounted on the left side surface and the right side surface of the lifting supporting slide block, and the extrusion supporting rollers are supported and run in supporting chutes on the corresponding sides; a vertical limiting groove is vertically arranged on the vertical side surface of the square lifting seat; a limiting support bump which is embedded into the vertical limiting groove in a sliding manner is arranged on the vertical hole wall of the lifting square hole; and a rebound pressure spring is arranged in the vertical limiting groove, and the upper end and the lower end of the rebound pressure spring are elastically supported between the limiting support bump and the lower side groove edge of the vertical limiting groove.

Furthermore, the reversing driver comprises a reversing driving cylinder, a reversing driving gear, a supporting slide bar and an eccentric wheel; a switching driving shaft is transversely and rotatably arranged on the square lifting seat and extends into the top groove; the eccentric wheel is fixedly arranged on the extending-in end part of the switching driving shaft, and the circumference of the eccentric wheel is clamped between the two transmission pinion gears; the reversing driving gear is fixedly arranged on the outer end part of the switching driving shaft; the supporting sliding strip is arranged on the side surface of the square lifting seat through the sliding mounting seat, and a reversing driving rack meshed with the reversing driving gear is arranged on the supporting sliding strip; the reversing driving cylinder is arranged on the side surface of the square lifting seat, and the end part of a piston rod of the reversing driving cylinder is butted with the end part of the supporting slide bar; a reversing electric control air valve electrically connected with the controller is connected in series on an air inlet and outlet pipeline of the reversing driving cylinder.

Furthermore, the elastic driver comprises a synchronous sleeve, a telescopic shaft and a rebound pressure spring; the synchronous sleeve is longitudinally and rotatably arranged at the lower frame of the corresponding side of the lifting through window through a rotary mounting support; one end of the telescopic shaft is inserted into the synchronous sleeve, the other end of the telescopic shaft extends into the groove at the top, and the transmission pinion is fixedly arranged on the extending end part of the telescopic shaft; a guide sliding groove is arranged on the telescopic shaft along the axial direction of the telescopic shaft, and a guide sliding block which is embedded into the guide sliding groove in a sliding manner is arranged on the inner wall of the synchronous sleeve; the rebound compression spring is sleeved on the telescopic shaft and is elastically supported between the transmission pinion and the synchronous sleeve.

Furthermore, the blocking and limiting mechanism comprises each blocking and limiting unit; each blocking limiting unit comprises a blocking limiting plate and a blocking driving cylinder; each strip-shaped lifting hole is arranged on the upper layer bottom plate and is positioned at the side edge of the blanking at intervals; each blocking limiting plate vertically penetrates through each strip-shaped lifting hole, and a lower side strip-shaped supporting plate is fixedly arranged on the lower side edge of each blocking limiting plate; each blocking driving cylinder is vertically arranged on the lower bottom plate, and the end part of a piston rod of each blocking driving cylinder is fixedly arranged in the middle of the lower side surface of each lower side strip-shaped supporting plate; a blocking electric control air valve electrically connected with the controller is connected in series on the air inlet and outlet pipeline of each blocking driving cylinder; when the blocking limiting plate is lifted to the blocking position, the lower strip-shaped supporting plate is supported on the lower side surface of the upper layer bottom plate.

Further, the main conveying roller bed comprises two strip-shaped side plates, a roller bed bottom plate and a main conveying driving motor; two strip-shaped side plates are respectively arranged on the length edges of the left side and the right side of the roller bed bottom plate; each main conveying supporting roller is rotatably arranged between the two strip-shaped side plates and is arranged in parallel at equal intervals; the end part of one of the main conveying supporting rollers extends out of the strip-shaped side edge plate, and a main driving gear is fixedly arranged on the extending end part; the main conveying driving motor drives the main driving gear to rotate through the main driving chain; the end part of each main conveying supporting roller is also fixedly provided with a main roller synchronizing gear, and a main roller synchronizing chain is arranged on the main roller synchronizing gear of the adjacent main conveying supporting roller for synchronous transmission; supporting feet are arranged on the side edges of the bottom of the roller bed bottom plate; a feeding side position sensor and a discharging side position sensor which are electrically connected with the controller are respectively arranged on the strip-shaped side edge plate and positioned on the feeding side and the discharging side; a main circuit driving circuit electrically connected with the controller is arranged in the control box body, the main circuit driving circuit is electrically connected with the main conveying driving motor, and the controller drives the main conveying driving motor to rotate and work through the main circuit driving circuit.

Further, the centering adjusting unit comprises an inclined strip-shaped baffle, a longitudinal strip-shaped baffle, a centering driving motor, a centering driving belt and a transverse supporting beam; one end of the inclined strip-shaped baffle is fixedly arranged on the inner side surface of the strip-shaped side plate on the corresponding side, and the other end of the inclined strip-shaped baffle extends to the middle part of the main conveying roller bed in an inclined manner; the longitudinal strip-shaped baffle is longitudinally and fixedly arranged on the extending end of the inclined strip-shaped baffle; one end of the transverse supporting beam is fixed on the inner side surface of the strip-shaped side plate on the corresponding side, and the other end of the transverse supporting beam is fixed on the longitudinal strip-shaped baffle; a rectangular adjusting window is arranged on the inclined strip-shaped baffle along the length direction of the inclined strip-shaped baffle, and each belt supporting roller is vertically and rotatably arranged in the rectangular adjusting window; the centered driving motor is fixedly arranged on the transverse supporting beam, and a belt driving wheel is fixedly arranged on an output shaft of the centered driving motor; the centered driving belt is wound on the belt driving wheel and each belt supporting roller; a longitudinal connecting rod is longitudinally arranged between the inclined strip-shaped baffle and the transverse supporting beam; unit supporting rollers are rotatably arranged below the transverse supporting beams through roller supporting seats; the unit supporting rollers are supported and run on two adjacent main conveying supporting rollers; the controller is characterized in that a centering driving circuit electrically connected with the controller is arranged in the control box body, the centering driving circuit is electrically connected with a centering driving motor, and the controller drives the centering driving motor to rotate to work through the centering driving circuit.

Further, the inclined blanking mechanism comprises an inclined blanking plate, an inclined strut sleeve, an inclined strut screw rod and an inclined strut adjusting nut; a hinged rotating shaft is transversely installed on the discharging side of the transfer conveying roller bed; the front side edge of each inclined blanking plate is rotatably hinged on the hinge rotating shaft; the lower end of each inclined strut sleeve is hinged on the discharging side edge of the transfer conveying roller bed; the lower end of each inclined strut screw rod is respectively inserted into the upper end of each inclined strut sleeve, and the upper end of each inclined strut screw rod is respectively hinged to the middle part of the lower side surface of each inclined blanking plate; each inclined strut adjusting nut is respectively screwed on each inclined strut screw rod in a threaded manner, and is supported on the upper pipe orifice of the inclined strut sleeve; strip-shaped edge plates are arranged on the left side and the right side of the inclined blanking plate.

The invention has the beneficial effects that: the image recognition mechanism is used for carrying out image recognition on the workpieces transported on the main transport roller bed, and the next processing procedure required to be carried out on each workpiece is determined, so that the workpieces are transported to the corresponding inclined blanking mechanism for blanking by the sorting and transporting mechanism, the workpieces are convenient to transport to the corresponding processing equipment, the automatic recognition and transportation of the workpieces are realized, and the processing efficiency of the workpieces is improved; the transverse moving and transferring mechanism can be used for transversely conveying the workpieces, so that the workpieces can be conveniently transversely conveyed to the corresponding inclined blanking mechanism for blanking; the blocking limiting mechanism can be used for controlling the blocking of the workpieces on the blanking side, and the blocking is cancelled when the workpieces reach the corresponding inclined blanking mechanism, so that the workpieces are smoothly transmitted to the corresponding inclined blanking mechanism; the WiFi module is utilized to wirelessly upload the identification result of the workpiece to an upper computer for displaying and storing; the workpiece on the feeding side of the main conveying roller bed can be pushed to the middle position by using the centering adjusting mechanism, so that the image recognition camera can conveniently acquire the centered workpiece, and the success rate of later-stage image recognition is ensured; the in-position sensor can be used for collecting images when the workpiece is conveyed to the position below the image recognition camera, so that the workpiece is positioned in the middle of the collected images, and the recognition success rate of the workpiece in image recognition is ensured.

Drawings

FIG. 1 is a schematic top view of the system of the present invention;

FIG. 2 is a schematic diagram of the right view of the main conveying roller bed of the present invention;

FIG. 3 is a schematic cross-sectional structure diagram of the sorting and transferring mechanism of the present invention;

FIG. 4 is a schematic diagram of a commutation driver according to the present invention;

fig. 5 is a schematic circuit structure of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1 to 5, the workpiece recognizing and sorting system of the industrial automation line disclosed in the present invention comprises: the automatic feeding device comprises a main conveying roller bed, an image recognition mechanism, a centering adjusting mechanism, a sorting and transferring mechanism and each inclined feeding mechanism;

the image recognition mechanism includes a control cabinet 201, a home position sensor 209, and an image recognition camera 208; the control box 201 is arranged above the main conveying roller bed through a mounting bracket 202; a controller, a WiFi module and a memory are arranged in the control box body 201; the in-position sensor 209 and the image recognition camera 208 are both mounted on the lower side of the control cabinet 201;

the centering adjusting mechanism comprises two centering adjusting units, and the two centering adjusting units are respectively arranged at the left side and the right side of the feeding side of the main conveying roller bed and used for pushing the workpiece 5 to the middle of the main conveying roller bed; the sorting and transferring mechanism comprises a transferring roller bed, a transverse transferring mechanism and a blocking and limiting mechanism; the transfer roller bed is installed on the discharging side of the main conveying roller bed in a butt joint mode and used for longitudinally conveying the workpiece 5; the transverse moving and transferring mechanism is arranged on the transferring roller bed and used for transversely conveying the workpiece 5; the blocking limiting mechanism is arranged on the blanking side of the transfer roller bed and used for controlling the blocking of the workpiece 5 on the blanking side;

each inclined blanking mechanism is transversely distributed and is installed on the blanking side of the transfer roller bed in a butt joint mode and used for receiving the corresponding workpiece 5 after the blocking limiting mechanism cancels the blocking; the controller is electrically connected with the WiFi module, the memory and the image recognition camera 208 respectively, and coordinates and controls the transverse moving transfer mechanism and the blocking limiting mechanism.

The image recognition mechanism is used for carrying out image recognition on the workpieces 5 transported on the main transport roller bed, and the next processing procedure required to be carried out on each workpiece 5 is determined, so that the workpieces 5 are transported to the corresponding inclined blanking mechanism for blanking by the sorting and transporting mechanism, the transportation to the corresponding processing equipment is facilitated, the automatic recognition and transportation of the workpieces are realized, and the processing efficiency of the workpieces is improved; the transverse moving and transferring mechanism can be used for transversely conveying the workpiece 5, so that the workpiece 5 can be conveniently and transversely conveyed to the corresponding inclined blanking mechanism for blanking; the blocking limiting mechanism can be used for controlling the blocking of the workpieces 5 on the blanking side, and the blocking is cancelled when the workpieces reach the corresponding inclined blanking mechanism, so that the workpieces 5 are smoothly transmitted to the corresponding inclined blanking mechanism; the WiFi module is utilized to wirelessly upload the identification result of the workpiece 5 to an upper computer for displaying and storing; the workpiece 5 on the feeding side of the main conveying roller bed can be pushed to the middle position by using the centering adjusting mechanism, so that the image recognition camera 208 can conveniently acquire the centered workpiece 5, and the success rate of later-stage image recognition is ensured; the image acquisition can be performed again when the workpiece 5 is transported below the image recognition camera 208 by using the in-position sensor 209, so that the workpiece 5 is positioned in the middle of the acquired image, and the recognition success rate of the workpiece 5 in image recognition is ensured.

Further, the transfer roller bed comprises a lower bottom plate 314, an upper bottom plate 301, a middle support column 315 and two end face side plates 304; the middle support column 315 is supported and installed between the upper floor 301 and the lower floor 314; the two end face side plates 304 are vertically arranged on the left side and the right side of the upper-layer bottom plate 301 respectively, and each transfer conveying roller 302 is transversely and rotatably arranged between the two end face side plates 304; one end of one of the transfer conveyor rollers 302 extends out of the end face side plate 304, and a longitudinal transfer drive gear 356 is mounted on the extended end; a transfer driving motor 338 is arranged on the lower bottom plate 314, and the transfer driving motor 338 drives the longitudinal transfer driving gear 356 to rotate through the transfer driving chain 306; a transfer synchronizing gear 303 is arranged at the end of each transfer conveyor roller 302, and each transfer synchronizing gear 303 is synchronously driven by a transfer synchronizing chain 305; a bottom supporting leg 322 is arranged on the lower side surface of the lower bottom plate 314; a transfer driving circuit electrically connected with the controller is arranged in the control box 201; the transfer driving circuit is electrically connected with the transfer driving motor, and the controller drives the transfer driving motor to rotate through the transfer driving circuit.

The upper-layer structure and the lower-layer structure formed by the lower-layer bottom plate 314 and the upper-layer bottom plate 301 are used, so that a transverse moving transfer mechanism and a blocking limiting mechanism can be conveniently installed, and the structural strength of a transfer conveying roller bed can be enhanced; by the cooperation of the transfer timing chain 305 and the transfer timing gear 303, the respective transfer conveying rollers 302 can be rotated in synchronization.

Further, the traverse transfer mechanism includes two traverse driving motors 313 and respective traverse driving units; the transverse moving driving unit comprises a lifting support base 319, a square lifting base 318, a lifting support slider 320, a horizontal pushing cylinder 316, two elastic drivers, a reversing driver and two transverse moving driving rubber wheels 309; lifting through windows 354 are transversely arranged on the upper-layer bottom plate 301 at intervals and close to the blanking side; the lifting support bases 319 are transversely arranged on the lower bottom plate 314 at intervals and are respectively positioned below the lifting through windows 354; a lifting square hole 334 is vertically arranged at the top of the lifting support base 319, the lower end of the square lifting seat 318 is vertically arranged in the lifting square hole 334, and the lower end surface of the square lifting seat 318 is provided with an upper side extrusion slope 325; a pulling and inserting square hole 321 which is vertically communicated with the lifting square hole 334 is arranged on the side edge of the lifting support base 319; one end of the lifting support slider 320 is inserted into the extraction and insertion square hole 321, and a lower side extrusion slope 326 is arranged at the insertion end of the lifting support slider 320; the upper extrusion ramp 325 is in extrusion fit with the lower extrusion ramp 326; the horizontal pushing cylinder 316 is installed on the lower bottom plate 314, and the end of the piston rod of the horizontal pushing cylinder 316 is fixedly installed on the lifting support slider 320; a lifting electric control air valve 317 electrically connected with the controller is connected in series on an air inlet and outlet pipeline of the horizontal pushing air cylinder 316; the two traverse driving rubber wheels 309 are rotatably mounted above the upper end surface of the square lifting seat 318 through two vertical roller supports 310, and when the square lifting seat 318 is lifted to a high position, the traverse driving rubber wheels 309 partially protrude from the space between two adjacent transfer conveying rollers 302; the roller wheel shafts of the two lateral moving driving rubber wheels 309 are positioned on the same longitudinal axis, and an upper roller driving gear 311 is fixedly arranged at the end parts of the two roller wheel shafts; a top groove 327 is arranged on the upper end surface of the square lifting seat 318 and between the two vertical roller supports 310, and a rotary transmission shaft 328 is longitudinally and rotatably arranged in the top groove 327; a middle transmission gear 329 is fixedly arranged in the middle of the rotating transmission shaft 328, and both ends of the rotating transmission shaft 328 are fixedly provided with a lower roller driving gear 335; the upper roller driving gear 311 is in rotary transmission with the lower roller driving gear 335 on the corresponding side through a roller driving chain 312; a vertical strip-shaped shaft hole 336 longitudinally penetrates through the upper part of each square lifting seat 318, and the vertical strip-shaped shaft holes 336 are communicated with the top grooves 327; the two elastic drivers are respectively and rotatably arranged at the lower frames of the front side and the rear side of the corresponding lifting through windows 354, extend into the top groove 327 through the vertical strip-shaped shaft holes 336 of the corresponding sides, and are fixedly provided with transmission pinions 330 at the extending ends; two traverse driving motors 313 are both arranged on the lower side surface of the upper-layer bottom plate 301, one traverse driving motor 313 drives each elastic driver on the front side to rotate in the forward direction through one traverse synchronous chain 340, and the other traverse driving motor 313 drives each elastic driver on the rear side to rotate in the reverse direction through the other traverse synchronous chain 340; the reversing driver is mounted on the side of the square lifting base 318 for pushing a drive pinion 330 out of engagement; the middle drive gear 329 meshes with the drive pinion 330 at the meshing position when the square elevator base 318 is raised to the high position; two transverse moving driving circuits electrically connected with a controller are arranged in the control box body 201; the two traverse driving circuits are respectively and electrically connected with the two traverse driving motors 313, the controller respectively drives the two traverse driving motors 313 to rotate and work through the two traverse driving circuits, and the controller also carries out reversing control on the reversing driver.

The horizontal pushing cylinder 316 is used for pushing the lifting support slider 320 to lift and extrude the square lifting seat 318, so that the two transverse moving drive rubber wheels 309 can lift controllably, the workpiece 5 is supported and separated from the transfer conveying rollers 302, the workpiece 5 is placed on the transfer conveying rollers 302 after being lowered, and the controllable switching of the transverse moving and the longitudinal moving of the workpiece 5 is realized; the driving pinion 330 is engaged with the upper and lower positions of the middle driving gear 329, so that the driving rotation is performed only when the square elevating base 318 of the traverse driving unit is lifted, and the load of the traverse driving motor 313 is reduced to the maximum; the extrusion matching of the upper extrusion slope 325 and the lower extrusion slope 326 can make the lifting process have better stability; the two traverse driving motors 313 are used for respectively driving the two transmission pinions 330 to rotate forwards and reversely, and when the middle transmission gear 329 is meshed with one transmission pinion 330, the rotation in the corresponding direction is obtained, so that the transverse transportation requirements of the traverse driving rubber wheel 309 in the left and right directions are met; by utilizing the matching of the reversing driver and the elastic driver, which transmission pinion 330 is meshed with the middle transmission gear 329 can be controlled, thereby realizing the control of the rotating direction of the traverse driving rubber wheel 309; the vertical strip-shaped shaft hole 336 is convenient for the penetration of the elastic driver and can not be blocked by the elastic driver in the lifting process; the lifting electric control air valve 317 can be used for facilitating the controller to control each horizontal pushing air cylinder 316, thereby meeting the independent control requirement of each transverse moving driving unit.

Furthermore, the inner walls of the left side and the right side of the lifting square hole 334 and the plugging square hole 321 are both provided with a support sliding groove 347 in the longitudinal direction; two extrusion support rollers 332 are rotatably mounted on the left and right side surfaces of the lifting support slider 320, and the extrusion support rollers 332 are supported and run in the support sliding grooves 347 on the corresponding sides; a vertical limiting groove 344 is vertically arranged on the vertical side surface of the square lifting seat 318; a limit supporting bump 345 which is slidably embedded into the vertical limit groove 344 is arranged on the vertical hole wall of the lifting square hole 334; a rebound pressure spring 346 is installed in the vertical limiting groove 344, and upper and lower ends of the rebound pressure spring 346 are elastically supported between the limiting support protrusion 345 and the lower side groove edge of the vertical limiting groove 344.

The sliding friction on the lower side surface of the lifting support slider 320 can be converted into suspended rolling support by using the extrusion support roller 332, so that the resistance of the lifting support slider 320 during plugging and unplugging is reduced; by utilizing the cooperation of the rebounding pressure spring 346, the vertical limiting groove 344 and the limiting support lug 345, the square lifting seat 318 can be ensured to descend in time after the lifting support slider 320 is pulled out, so that the workpiece 5 can timely fall back on the transfer conveying roller 302 to continue longitudinal transportation, and the lifting limitation and lifting guidance can be realized by the cooperation of the limiting support lug 345 and the vertical limiting groove 344, and the lifting stability is ensured.

Further, the reversing driver comprises a reversing driving cylinder 348, a reversing driving gear 352, a supporting slide bar 350 and an eccentric wheel 342; a switching driving shaft 343 is transversely and rotatably mounted on the square lifting seat 318, and the switching driving shaft 343 extends into the top groove 327; an eccentric 342 is fixedly mounted on the projecting end portion of the switching drive shaft 343, and the circumference of the eccentric 342 is clamped between the two drive pinions 330; a reverse drive gear 352 is fixedly mounted on an outer end portion of the switching drive shaft 343; the supporting slide bar 350 is installed on the side surface of the square lifting seat 318 through a sliding installation seat 351, and a reversing driving rack 353 meshed with a reversing driving gear 352 is arranged on the supporting slide bar 350; the reversing driving cylinder 348 is installed on the side surface of the square lifting seat 318, and the end of the piston rod of the reversing driving cylinder 348 is butted with the end of the supporting slide bar 350; a reversing electric control air valve 349 electrically connected with the controller is connected in series with an air inlet and outlet pipeline of the reversing driving air cylinder 348.

The reversing driving air cylinder 348 pushes and pulls the reversing driving rack 352, so as to drive the eccentric wheel 342 to rotate, the wheel surface of the eccentric wheel 342 pushes the two driving pinions 330 to move longitudinally, so that after the central drive gear 329 has risen, it engages only one of the drive pinions 330, for example by means of an eccentric 342 pushing the front drive pinion 330 forward, the rear driving pinion 330 moves forward, so that the middle driving gear 329 ascends to be only meshed with the rear driving pinion 330, thereby realizing the reverse driving of the middle driving gear 329, and if the eccentric wheel 342 pushes the rear driving pinion 330 to move backwards, the front transmission pinion 330 moves backwards, so that the middle transmission gear 329 rises and then is only meshed with the front transmission pinion 330, the forward transmission of the middle transmission gear 329 is realized, and the forward and reverse driving requirements of the traverse driving rubber wheel 309 are met.

Further, the elastic driver comprises a synchronous sleeve 337, a telescopic shaft 331 and a rebound pressure spring 341; the synchronous sleeve 337 is longitudinally and rotatably mounted at the lower frame of the corresponding side of the lifting through window 354 through a rotary mounting support 339; one end of the telescopic shaft 331 is inserted into the synchronous sleeve 337, the other end extends into the top groove 327, and the transmission pinion 330 is fixedly mounted on the extending end of the telescopic shaft 331; a guide sliding groove 333 is arranged on the telescopic shaft 331 along the axial direction thereof, and a guide sliding block which is slidably embedded in the guide sliding groove 333 is arranged on the inner wall of the synchronous sleeve 337; the rebound pressure spring 341 is sleeved on the telescopic shaft 331 and is elastically supported between the transmission pinion 330 and the synchronizing sleeve 337.

The elastic support can be realized by utilizing the rebound pressure spring 341, so that the eccentric wheel 342 is elastically clamped by the two transmission pinions 330, and the transmission pinions 330 on the corresponding sides can be ensured to be rapidly moved to the meshing position when the eccentric wheel 342 rotates; by the cooperation of the guide chute 333 and the guide slider, the synchronous rotation is not affected while the expansion and contraction are performed.

Furthermore, the blocking and limiting mechanism comprises each blocking and limiting unit; each blocking limiting unit comprises a blocking limiting plate 308 and a blocking driving cylinder 323; each strip-shaped lifting hole 307 is transversely arranged on the upper-layer bottom plate 301 at intervals and positioned at the side edge of the blanking; each blocking limiting plate 308 vertically penetrates through each strip-shaped lifting hole 307, and a lower strip-shaped supporting plate 355 is fixedly arranged on the lower side edge of each blocking limiting plate 308; each blocking driving cylinder 323 is vertically arranged on the lower bottom plate 314, and the end part of a piston rod of each blocking driving cylinder 323 is fixedly arranged in the middle of the lower side surface of each lower strip-shaped supporting plate 355; a blocking electric control air valve 324 electrically connected with the controller is connected in series on the air inlet and outlet pipeline of each blocking driving cylinder 323; the lower strip support plate 355 is supported on the lower side of the upper floor 301 when the stopper-limiting plate 308 is raised to the blocking position.

The barrier driving cylinder 323 is used for driving the barrier limiting plate 308 to move up and down, so that the transversely transported workpiece 5 is limited and blocked, and the barrier is removed when the transversely transported workpiece 5 transversely moves to a corresponding blanking position, so that the workpiece 5 is smoothly transferred to the corresponding blanking position; the lower strip support plate 355 can be pressed against the lower surface of the upper floor 301 after being lifted up, thereby ensuring stability in the stopper position.

Further, the main conveying roller bed comprises two strip-shaped side plates 101, a roller bed bottom plate 102 and a main conveying driving motor 104; two strip-shaped side plates 101 are respectively arranged on the length edges of the left side and the right side of the roller bed bottom plate 102; each main conveying support roller 107 is rotatably arranged between the two strip-shaped side plates 101, and the main conveying support rollers 107 are arranged in parallel at equal intervals; one end of one main conveying supporting roller 107 extends out of the strip-shaped side plate 101, and a main driving gear 106 is fixedly mounted on the extending end; the main conveying drive motor 104 drives the main drive gear 106 to rotate through the main drive chain 105; a main roller synchronizing gear 109 is fixedly arranged at the end part of each main conveying support roller 107, and a main roller synchronizing chain 108 is arranged on the main roller synchronizing gear 109 of the adjacent main conveying support roller 107 for synchronous transmission; a supporting foot 103 is arranged on the side edge of the bottom of the roller bed bottom plate 102; a feeding side position sensor 111 and a discharging side position sensor 112 which are electrically connected with the controller are respectively arranged on the strip-shaped side edge plate 101 and positioned on the feeding side and the discharging side; a main circuit driving circuit electrically connected with the controller is arranged in the control box 201, the main circuit driving circuit is electrically connected with the main conveying driving motor 104, and the controller drives the main conveying driving motor 104 to rotate and work through the main circuit driving circuit.

The feeding side position sensor 111 can be used for monitoring whether the workpiece 5 is placed on the main conveying roller bed or not in real time, so that the main conveying roller bed is started in time for transportation, long-time no-load running of the main conveying roller bed is avoided, and energy consumption of a system is saved; whether the workpiece 5 reaches the feeding side of the transfer conveying roller bed or not can be detected in real time by using the feeding side position sensor 112, so that the transfer conveying roller bed is quickly started to transfer the workpiece 5, long-time no-load operation of the transfer conveying roller bed is avoided, and the energy consumption of the system is saved.

Further, the centering adjusting unit comprises an inclined strip-shaped baffle 501, a longitudinal strip-shaped baffle 502, a centering driving motor 504, a centering driving belt 506 and a transverse supporting beam 503; one end of the inclined strip-shaped baffle 501 is fixedly arranged on the inner side surface of the strip-shaped side plate 101 on the corresponding side, and the other end of the inclined strip-shaped baffle extends to the middle part of the main conveying roller bed in an inclined manner; the longitudinal strip-shaped baffle 502 is longitudinally and fixedly arranged on the extending end of the inclined strip-shaped baffle 501; one end of the transverse supporting beam 503 is fixed on the inner side surface of the strip-shaped side plate 101 on the corresponding side, and the other end is fixed on the longitudinal strip-shaped baffle 502; rectangular adjusting windows are arranged on the inclined strip-shaped baffle 501 along the length direction of the inclined strip-shaped baffle, and each belt supporting roller 507 is vertically and rotatably arranged in each rectangular adjusting window; a centering drive motor 504 is fixedly arranged on the transverse support beam 503, and a belt drive wheel 505 is fixedly arranged on an output shaft of the centering drive motor 504; a centering drive belt 506 is wound around the belt drive pulley 505 and each belt support roller 507; a longitudinal connecting rod 508 is longitudinally arranged between the inclined strip-shaped baffle 501 and the transverse supporting beam 503; a unit supporting roller 509 is rotatably mounted below the transverse supporting beam 503 through a roller support; the unit supporting rollers 509 are supported and run on two adjacent main conveying supporting rollers 107; a centering driving circuit electrically connected with the controller is arranged in the control box body 201, the centering driving circuit is electrically connected with the centering driving motor 504, and the controller drives the centering driving motor 504 to rotate and work through the centering driving circuit.

A centering driving motor 504, a centering driving belt 506, a belt driving wheel 505 and each belt supporting roller 507 form a conveying structure, and the conveying structure can be synchronously pushed to the middle part in the longitudinal movement process of the workpiece 5, so that the workpiece 5 can pass below the image recognition camera 208, the workpiece 5 is centrally collected, and the accuracy of later-stage image recognition is ensured; the suspended end of the transverse supporting beam 503 can be stably supported by using the unit supporting roller 509; the arrangement of the inclined strip-shaped baffle 501 and the longitudinal strip-shaped baffle 502 can play a role in flow guiding and limiting; the structural stability of the centering adjustment unit can be enhanced by the longitudinal link 508.

Further, the inclined blanking mechanism comprises an inclined blanking plate 402, an inclined strut sleeve 404, an inclined strut screw 405 and an inclined strut adjusting nut 406; a hinged rotating shaft 401 is transversely installed on the discharging side of the transfer conveying roller bed; the front side edge of each inclined blanking plate 402 is rotatably hinged on the hinge rotating shaft 401; the lower end of each inclined strut sleeve 404 is hinged on the blanking side edge of the transfer conveying roller bed; the lower end of each inclined strut screw rod 405 is respectively inserted into the upper end of each inclined strut sleeve 404, and the upper end of each inclined strut screw rod 405 is respectively hinged to the middle part of the lower side surface of each inclined blanking plate 402; each inclined strut adjusting nut 406 is respectively screwed on each inclined strut screw 405, and the inclined strut adjusting nut 406 is supported on the upper pipe orifice of the inclined strut sleeve 404; strip-shaped edge plates 403 are provided on both left and right sides of the inclined blanking plate 402.

The blanking gradient of the inclined blanking plate 402 can be adjusted by the cooperation of the inclined strut sleeve 404, the inclined strut screw 405 and the inclined strut adjusting nut 406, so as to be matched with the workpiece bearing equipment below.

In the workpiece identification and sorting system of the industrial automation production line, the controller adopts the existing FPGA controller module, and can realize image identification processing, signal receiving and processing of each sensor and motor driving signal sending; the memory is composed of the existing memory chip and the peripheral circuit thereof; the transfer driving motor 338, the traverse driving motor 313, the centering driving motor 504 and the main conveying driving motor 104 are all existing stepping motors with speed reducers, and corresponding motor driving circuits are corresponding stepping motor driving circuits; the feeding side position sensor 111, the discharging side position sensor 112 and the in-position sensor 209 all adopt existing infrared position sensors; the image recognition camera 208 is an existing depth-of-field camera and is used for collecting images of the workpieces 5 transported on the main transport roller bed, so that the controller can recognize the workpieces 5 according to the collected images and transport the workpieces 5 to a corresponding inclined blanking mechanism for blanking through the sorting and transferring mechanism according to a preset processing flow, and an existing image recognition method is adopted when the controller performs image recognition; the lifting electric control air valve 317, the blocking electric control air valve 324 and the reversing electric control air valve 349 adopt existing electromagnetic valves and are used for realizing on-off control of an air path; the WiFi module is an existing WiFi module and is used for establishing communication with a wireless router, so that the controller is connected to the Internet, the wireless data transmission requirement is met, and the identification result of each workpiece 5 is uploaded to an upper computer to be displayed and stored; the blocking driving cylinder 323, the horizontal pushing cylinder 316 and the reversing driving cylinder 348 are all existing cylinders and are used for realizing pushing force at corresponding positions.

When the workpiece identification and sorting system of the industrial automation production line is used, firstly, the characteristic images of various workpieces 5 are obtained and stored in the memory for comparison and identification during image identification; when the workpiece 5 is placed on the main conveying supporting roller 107 and the workpiece 5 is detected by the feeding side position sensor 111, starting the main conveying roller bed and the centering adjusting mechanism to enable the workpiece 5 to be pushed to the middle of the main conveying roller bed and then move longitudinally, wherein the longitudinal position of the workpiece 5 is determined by calculating the conveying speed and the conveying time of the main conveying supporting roller 107; when the in-position sensor 209 detects the workpiece 5, the image recognition camera 208 acquires an image of the workpiece 5 below, the controller performs real-time processing recognition on the acquired image, the subsequent processing of the current workpiece 5 is determined according to the preset processing routes of various workpieces 5, and the controller determines which inclined blanking mechanism is required to perform blanking according to the subsequent processing requirements; when the blanking side position sensor 112 detects the workpiece 5, the controller drives the sorting and transferring mechanism, and controls the related horizontal pushing cylinder 316 according to the subsequent processing requirement, so that each traverse driving unit between the transverse position of the workpiece 5 and the position of the corresponding inclined blanking mechanism is lifted to work, the workpiece 5 is transported to the position of the corresponding inclined blanking mechanism in a traverse manner, each traverse driving unit is controlled to descend, and meanwhile, the blocking driving cylinder 323 at the corresponding position is controlled to descend the blocking limiting plate 308, so that the workpiece 5 enters the corresponding inclined blanking mechanism under the conveying of the conveying roller 302.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a work piece discernment letter sorting system of industrial automation line which characterized in that: the automatic feeding machine comprises a main conveying roller bed, an image recognition mechanism, a centering adjusting mechanism, a sorting and transferring mechanism and each inclined feeding mechanism;

the image recognition mechanism comprises a control box body (201), a position sensor (209) and an image recognition camera (208); the control box body (201) is arranged above the main conveying roller bed through a mounting bracket (202); a controller, a WiFi module and a memory are arranged in the control box body (201); the in-position sensor (209) and the image recognition camera (208) are both mounted on the lower side of the control box body (201);

the centering adjusting mechanism comprises two centering adjusting units, and the two centering adjusting units are respectively arranged at the left side and the right side of the feeding side of the main conveying roller bed and used for pushing the workpiece (5) to the middle of the main conveying roller bed; the sorting and transferring mechanism comprises a transferring roller bed, a transverse transferring mechanism and a blocking and limiting mechanism; the transfer roller bed is butted and arranged on the discharging side of the main conveying roller bed and is used for longitudinally conveying the workpiece (5); the transverse moving and transferring mechanism is arranged on the transferring roller bed and used for transversely conveying the workpiece (5); the blocking limiting mechanism is arranged on the blanking side of the transfer roller bed and used for controlling the blocking of the workpiece (5) on the blanking side;

each inclined blanking mechanism is transversely distributed and is installed on the blanking side of the transfer roller bed in a butt joint mode and used for receiving a corresponding workpiece (5) after the blocking limiting mechanism cancels the blocking; the controller is respectively electrically connected with the WiFi module, the memory and the image recognition camera (208), and coordinates and controls the transverse moving transfer mechanism and the blocking limiting mechanism.

2. The industrial automation line workpiece identification and sorting system of claim 1, wherein: the transfer roller bed comprises a lower bottom plate (314), an upper bottom plate (301), a middle supporting column (315) and two end face side plates (304); the middle supporting column (315) is supported and installed between the upper-layer bottom plate (301) and the lower-layer bottom plate (314); the two end face side plates (304) are respectively vertically arranged on the left side and the right side of the upper-layer bottom plate (301), and each transfer conveying roller (302) is transversely and rotatably arranged between the two end face side plates (304); the end part of one transfer conveying roller (302) extends out of the end surface side plate (304), and a longitudinal transfer driving gear (356) is arranged on the extending end; a transfer driving motor (338) is arranged on the lower bottom plate (314), and the transfer driving motor (338) drives a longitudinal transfer driving gear (356) to rotate through a transfer driving chain (306); the end part of each transfer conveying roller (302) is provided with a transfer synchronous gear (303), and each transfer synchronous gear (303) is driven to rotate synchronously through a transfer synchronous chain (305); a bottom supporting leg (322) is arranged on the lower side surface of the lower bottom plate (314); a transfer driving circuit electrically connected with the controller is arranged in the control box body (201); the transfer driving circuit is electrically connected with the transfer driving motor, and the controller drives the transfer driving motor to rotate through the transfer driving circuit.

3. The industrial automation line workpiece identification and sorting system of claim 2, wherein: the transverse moving mechanism comprises two transverse moving driving motors (313) and each transverse moving driving unit; the transverse moving driving unit comprises a lifting supporting base (319), a square lifting seat (318), a lifting supporting sliding block (320), a horizontal pushing cylinder (316), two elastic drivers, a reversing driver and two transverse moving driving rubber wheels (309); lifting through windows (354) are transversely distributed on the upper-layer bottom plate (301) and close to the blanking side at intervals; the lifting support bases (319) are transversely arranged on the lower bottom plate (314) at intervals and are respectively positioned below the lifting through windows (354); a lifting square hole (334) is vertically arranged at the top of the lifting support base (319), the lower end of the square lifting seat (318) is vertically arranged in the lifting square hole (334), and the lower end surface of the square lifting seat (318) is provided with an upper side extrusion slope surface (325); a pulling and inserting square hole (321) which is vertically communicated with the lifting square hole (334) is arranged on the side edge of the lifting support base (319); one end of the lifting support sliding block (320) is inserted into the extraction and insertion square hole (321), and a lower side extrusion slope surface (326) is arranged at the insertion end of the lifting support sliding block (320); the upper side extrusion slope surface (325) is in extrusion fit with the lower side extrusion slope surface (326); the horizontal pushing cylinder (316) is arranged on the lower bottom plate (314), and the end part of a piston rod of the horizontal pushing cylinder (316) is fixedly arranged on the lifting support sliding block (320); a lifting electric control air valve (317) electrically connected with the controller is connected in series on an air inlet and outlet pipeline of the horizontal pushing cylinder (316); the two traverse driving rubber wheels (309) are rotatably arranged above the upper end surface of the square lifting seat (318) through two vertical roller supports (310), and when the square lifting seat (318) rises to a high position, the traverse driving rubber wheels (309) partially protrude from the space between two adjacent transfer conveying rollers (302); the roller wheel shafts of the two traverse driving rubber wheels (309) are positioned on the same longitudinal axis, and the end parts of the two roller wheel shafts are respectively and fixedly provided with an upper roller driving gear (311); a top groove (327) is arranged on the upper end surface of the square lifting seat (318) and between the two vertical roller supports (310), and a rotary transmission shaft (328) is longitudinally and rotatably arranged in the top groove (327); a middle transmission gear (329) is fixedly arranged in the middle of the rotating transmission shaft (328), and both ends of the rotating transmission shaft (328) are fixedly provided with a lower side roller driving gear (335); the upper roller driving gear (311) and the lower roller driving gear (335) on the corresponding side are in rotary transmission through a roller driving chain (312); a vertical strip-shaped shaft hole (336) is longitudinally arranged at the upper part of each square lifting seat (318) in a penetrating way, and the vertical strip-shaped shaft hole (336) is communicated with the top groove (327); the two elastic drivers are respectively and rotatably arranged at the lower frames of the front side and the rear side of the corresponding lifting through windows (354), penetrate through the vertical strip-shaped shaft holes (336) of the corresponding sides and extend into the top grooves (327), and a transmission pinion (330) is fixedly arranged at the extending end; two traverse driving motors (313) are arranged on the lower side surface of the upper-layer bottom plate (301), one traverse driving motor (313) drives each elastic driver on the front side to rotate in the forward direction through one traverse synchronous chain (340), and the other traverse driving motor (313) drives each elastic driver on the rear side to rotate in the reverse direction through the other traverse synchronous chain (340); the reversing driver is arranged on the side edge of the square lifting seat (318) and is used for pushing a transmission pinion (330) to leave the meshing position; when the square lifting seat (318) is lifted to the high position, the middle transmission gear (329) is meshed with the transmission pinion (330) at the meshing position; two transverse moving driving circuits electrically connected with a controller are arranged in the control box body (201); the two transverse moving driving circuits are respectively and electrically connected with the two transverse moving driving motors (313), the controller respectively drives the two transverse moving driving motors (313) to rotate and work through the two transverse moving driving circuits, and the controller also carries out reversing control on the reversing driver.

4. The industrial automation line workpiece identification and sorting system of claim 3, wherein: supporting sliding grooves (347) are longitudinally formed in the inner walls of the left side and the right side of the lifting square hole (334) and the pulling and inserting square hole (321); two extrusion supporting rollers (332) are rotatably arranged on the left side surface and the right side surface of the lifting supporting sliding block (320), and the extrusion supporting rollers (332) are supported and run in the supporting sliding grooves (347) on the corresponding sides; a vertical limiting groove (344) is vertically arranged on the vertical side surface of the square lifting seat (318); a limit supporting lug (345) which is embedded into the vertical limit groove (344) in a sliding manner is arranged on the vertical hole wall of the lifting square hole (334); a rebound pressure spring (346) is arranged in the vertical limiting groove (344), and the upper end and the lower end of the rebound pressure spring (346) are elastically supported between the limiting support bump (345) and the lower side groove edge of the vertical limiting groove (344).

5. The industrial automation line workpiece identification and sorting system of claim 3, wherein: the reversing driver comprises a reversing driving cylinder (348), a reversing driving gear (352), a supporting slide bar (350) and an eccentric wheel (342); a switching driving shaft (343) is transversely and rotatably arranged on the square lifting seat (318), and the switching driving shaft (343) extends into the top groove (327); the eccentric wheel (342) is fixedly arranged on the extending end part of the switching driving shaft (343), and the circumference of the eccentric wheel (342) is clamped between the two transmission pinion gears (330); the reversing driving gear (352) is fixedly arranged on the outer end part of the switching driving shaft (343); the supporting sliding strip (350) is installed on the side face of the square lifting seat (318) through a sliding installation seat (351), and a reversing driving rack (353) meshed with the reversing driving gear (352) is arranged on the supporting sliding strip (350); the reversing driving cylinder (348) is installed on the side face of the square lifting seat (318), and the end of a piston rod of the reversing driving cylinder (348) is butted with the end of the supporting slide bar (350); a reversing electric control air valve (349) electrically connected with the controller is connected in series on an air inlet and outlet pipeline of the reversing driving air cylinder (348).

6. The industrial automation line workpiece identification and sorting system of claim 3, wherein: the elastic driver comprises a synchronous sleeve (337), a telescopic shaft (331) and a rebound pressure spring (341); the synchronous sleeve (337) is longitudinally and rotatably arranged at the lower frame of the corresponding side of the lifting through window (354) through a rotary mounting support (339); one end of the telescopic shaft (331) is inserted into the synchronous sleeve (337), the other end of the telescopic shaft extends into the top groove (327), and the transmission pinion (330) is fixedly arranged on the extending end part of the telescopic shaft (331); a guide sliding groove (333) is arranged on the telescopic shaft (331) along the axial direction of the telescopic shaft, and a guide sliding block which is embedded into the guide sliding groove (333) in a sliding manner is arranged on the inner wall of the synchronous sleeve (337); the rebound pressure spring (341) is sleeved on the telescopic shaft (331) and is elastically supported between the transmission pinion (330) and the synchronous sleeve (337).

7. The industrial automation line workpiece identification and sorting system of claim 2, wherein: the blocking limiting mechanism comprises each blocking limiting unit; each blocking limiting unit comprises a blocking limiting plate (308) and a blocking driving cylinder (323); each strip-shaped lifting hole (307) is arranged on the upper layer bottom plate (301) and is positioned at the side edge of the blanking at intervals; each blocking limiting plate (308) vertically penetrates through each strip-shaped lifting hole (307), and a lower strip-shaped supporting plate (355) is fixedly arranged on the lower side edge of each blocking limiting plate (308); each blocking driving cylinder (323) is vertically arranged on the lower bottom plate (314), and the end part of a piston rod of each blocking driving cylinder (323) is fixedly arranged in the middle of the lower side surface of each lower strip-shaped supporting plate (355); a blocking electric control air valve (324) electrically connected with the controller is connected in series on the air inlet and outlet pipeline of each blocking driving cylinder (323); the lower strip support plate (355) is supported on the lower side of the upper floor (301) when the stopper/stopper plate (308) is raised to the blocking position.

8. The industrial automation line workpiece identification and sorting system of claim 1, wherein: the main conveying roller bed comprises two strip-shaped side plates (101), a roller bed bottom plate (102) and a main conveying driving motor (104); two strip-shaped side plates (101) are respectively arranged on the length edges of the left side and the right side of the roller bed bottom plate (102); each main conveying support roller (107) is rotatably arranged between the two strip-shaped side plates (101), and the main conveying support rollers (107) are arranged in parallel at equal intervals; the end part of one main conveying supporting roller (107) extends out of the strip-shaped side plate (101), and a main driving gear (106) is fixedly arranged on the extending end part; the main conveying driving motor (104) drives the main driving gear (106) to rotate through the main driving chain (105); a main roller synchronizing gear (109) is fixedly arranged at the end part of each main conveying support roller (107), and a main roller synchronizing chain (108) is arranged on the main roller synchronizing gear (109) of the adjacent main conveying support roller (107) for synchronous transmission; a supporting foot (103) is arranged on the side edge of the bottom of the roller bed bottom plate (102); a feeding side position sensor (111) and a discharging side position sensor (112) which are electrically connected with the controller are respectively arranged on the strip-shaped side edge plate (101) and positioned on the feeding side and the discharging side; a main circuit driving circuit electrically connected with the controller is arranged in the control box body (201), the main circuit driving circuit is electrically connected with the main conveying driving motor (104), and the controller drives the main conveying driving motor (104) to rotate and work through the main circuit driving circuit.

9. The industrial automation line workpiece identification and sorting system of claim 8, wherein: the centering adjusting unit comprises an inclined strip-shaped baffle (501), a longitudinal strip-shaped baffle (502), a centering driving motor (504), a centering driving belt (506) and a transverse supporting beam (503); one end of an inclined strip-shaped baffle (501) is fixedly arranged on the inner side surface of the strip-shaped side plate (101) on the corresponding side, and the other end of the inclined strip-shaped baffle extends to the middle part of the main conveying roller bed in an inclined manner; the longitudinal strip-shaped baffle (502) is longitudinally and fixedly arranged on the extending end of the inclined strip-shaped baffle (501); one end of a transverse supporting beam (503) is fixed on the inner side surface of the strip-shaped side plate (101) on the corresponding side, and the other end is fixed on the longitudinal strip-shaped baffle (502); rectangular adjusting windows are arranged on the inclined strip-shaped baffle (501) along the length direction of the inclined strip-shaped baffle, and each belt supporting roller (507) is vertically and rotatably arranged in each rectangular adjusting window; a centering driving motor (504) is fixedly arranged on the transverse supporting beam (503), and a belt driving wheel (505) is fixedly arranged on an output shaft of the centering driving motor (504); a centering drive belt (506) wound around the belt drive wheel (505) and the respective belt support rollers (507); a longitudinal connecting rod (508) is longitudinally arranged between the inclined strip-shaped baffle (501) and the transverse supporting beam (503); a unit supporting roller (509) is rotatably arranged below the transverse supporting beam (503) through a roller support; the unit supporting rollers (509) are supported and run on two adjacent main conveying supporting rollers (107); a centering driving circuit electrically connected with the controller is arranged in the control box body (201), the centering driving circuit is electrically connected with a centering driving motor (504), and the controller drives the centering driving motor (504) to rotate and work through the centering driving circuit.

10. The industrial automation line workpiece identification and sorting system of claim 1, wherein: the inclined blanking mechanism comprises an inclined blanking plate (402), an inclined strut sleeve (404), an inclined strut screw rod (405) and an inclined strut adjusting nut (406); a hinged rotating shaft (401) is transversely installed on the discharging side of the transfer conveying roller bed; the front side edge of each inclined blanking plate (402) is rotatably hinged on the hinge rotating shaft (401); the lower end of each inclined strut sleeve (404) is hinged on the blanking side edge of the transfer conveying roller bed; the lower ends of the inclined strut screw rods (405) are respectively inserted into the upper ends of the inclined strut sleeves (404), and the upper ends of the inclined strut screw rods (405) are respectively hinged to the middle of the lower side surface of each inclined blanking plate (402); each inclined strut adjusting nut (406) is screwed on each inclined strut screw rod (405) in a threaded manner, and the inclined strut adjusting nut (406) is supported on an upper pipe orifice of the inclined strut sleeve (404); strip-shaped edge plates (403) are arranged on the left side and the right side of the inclined blanking plate (402).