CN117225735B - Board grading visual inspection conveying equipment and method thereof - Google Patents
Board grading visual inspection conveying equipment and method thereof Download PDFInfo
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- CN117225735B CN117225735B CN202311498071.4A CN202311498071A CN117225735B CN 117225735 B CN117225735 B CN 117225735B CN 202311498071 A CN202311498071 A CN 202311498071A CN 117225735 B CN117225735 B CN 117225735B
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Abstract
The invention belongs to the field of plate equipment, and particularly relates to plate grading visual detection conveying equipment and a plate grading visual detection conveying method. The equipment comprises a grading falling device and a detection device; the grading falling device comprises at least one grade grading device, each grade grading device comprises a first bracket and a grading conveyor, and a grading lifting mechanism is fixed on the upper support; the detection device comprises a main control device and a first position detection device; if the plate material belongs to the level of the grading conveyor to be entered, the first position detection device transmits signals to the main control device, the main control device controls the front end of the grading conveyor to be driven by the fifth rotating shaft to ascend and advance to fall into the bottom of the grading conveyor, and if the plate material does not belong to the level of the grading conveyor to be entered, the plate material is conveyed backwards on the upper surface of the grading conveyor. The equipment realizes rapid grading conveying of the plates through cooperation of the grading dropping device and the detection device, improves the working efficiency and reduces the cost.
Description
Technical Field
The invention belongs to the field of plate equipment, and particularly relates to plate grading visual detection conveying equipment and a plate grading visual detection conveying method.
Background
When the plate is processed, the plate needs to be subjected to subsequent treatment after the preliminary processing, and as the surface of the plate has defects such as holes, cracks and spots, if the plates with different qualities are subjected to the same subsequent treatment, the quality of a product can be influenced, and therefore, the plates need to be screened. The plates are classified and conveyed after being screened, the plates with different grades are generally dialed to different areas one by one through a poking piece device, and then are subjected to manual stacking and finishing, so that a great deal of manpower is required for operation, the efficiency is low, and rapid continuous operation cannot be realized.
202211124004.1 provides a device, a system, a method and a storage medium for controlling food conveying stability, and a conveying system can be braked in time by detecting related workers, but the stacking of transportation is not described in detail.
Patent No. 201510404836.2 provides an on-line classifying device for fiber boards. The transition conveying roller table is provided with a plate feeding conveying roller table, a plate turning frame and a plate discharging conveying roller table at the back, the plate turning frame is located in the middle of the plate feeding conveying roller table and the plate discharging conveying roller table, the center of the plate turning frame is a rotary table, plate turning rods are uniformly radiated around the rotary table, a rotary shaft assembled at the center of the rotary table is connected with a reducer motor shaft, the plate feeding conveying roller table is next to the transition conveying roller table, the plate discharging conveying roller table is connected with the conveying roller table at the back, and a number 1 stacking plate frame, a number 2 stacking plate frame, a number 3 stacking plate frame and a number 4 stacking plate frame are sequentially and continuously arranged at the back of the conveying roller table. The fiber board product classification work is carried out on line, and forklift transferring procedures such as stacking to be inspected and sorting and stacking of boards are reduced.
However, this device has the following disadvantages when in use; (1) The device still requires manual detection, screening and placement of each level of sheet material. (2) The operation efficiency is very slow, and the rapid grading conveying requirement of large-scale plates can not be met for small-scale operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a plate grading visual inspection conveying device and a plate grading visual inspection conveying method. The equipment realizes rapid grading conveying of the plates through cooperation of the grading dropping device and the detection device, improves the working efficiency and reduces the cost.
In order to achieve the functions, in one aspect, the invention provides a plate grading visual inspection conveying device, which comprises a grading falling device and a detection device;
the grading falling device comprises at least one grade grading device, each grade grading device comprises a first bracket and a grading conveyor, and an upper support and a lower support are arranged on the first bracket;
the upper support is fixedly provided with a grading lifting mechanism, the grading lifting mechanism comprises a first motor, the first motor is movably connected with a first rotating shaft, the first rotating shaft is connected with a first connecting rod, the first connecting rod is movably connected with a second rotating shaft, the second rotating shaft is fixedly connected with a third rotating shaft, and the third rotating shaft is fixed on the upper support through a bearing seat; the third rotating shaft is fixedly connected with a fourth rotating shaft, the fourth rotating shaft is movably connected with a fifth rotating shaft, and the bottom of the fifth rotating shaft is movably connected with the front end of the grading conveyor;
the rear end of the grading conveyor is movably connected to the lower support, and the rear end of the grading conveyor is driven to rotate by a first transmission mechanism;
the detection device comprises a main control device and a first position detection device; the first position detection device is positioned at the front side of the grading device and is used for detecting that the plate reaches a specified position; the main control device classifies the grades of the plates, and each grade of plates are associated with each grade of grading devices one by one;
if the plate belongs to the grade of the grading conveyor to be entered, the first position detection device transmits signals to the main control device, the main control device controls the front end of the grading conveyor to be driven by the fifth rotating shaft to ascend and move to fall into the receiving device at the bottom of the grading conveyor, and if the plate does not belong to the grade of the grading conveyor to be entered, the grading lifting mechanism is reset and does not work, the grading conveyor is horizontally arranged, and the plate is conveyed backwards on the upper surface of the grading conveyor.
According to a further improvement of the scheme, a material receiving device is fixed at the lower side of the grading lifting mechanism;
the material receiving device comprises two material receiving discs movably connected with the lower support, the outer sides of the material receiving discs are connected with one side of the air cylinder, the other end of the air cylinder is connected with the upper support, and the air cylinder is obliquely arranged in the vertical direction;
the upper portion of the inner side of the receiving tray is movably connected inside the lower support, a first height detection device is fixed on the lower support, and the first height detection device detects the height of the plate.
Preferably, the inner side of the receiving tray is connected with the inner side of the lower support through a rotating shaft. By adopting the technical scheme, when the piston rod of the cylinder is retracted, the receiving tray is in an open state, the plate falls down to the bottom conveyor, and when the piston rod of the cylinder is extended, the bottom transverse plate of the receiving tray is in a horizontal state, and the plate continuously falls down to the transverse plate of the receiving tray. For the opening and closing times of the receiving tray, on the one hand, a first height detection device (photoelectric switch) can be used, and the receiving tray is opened after the upper part of the plate is detected to exceed a certain height for a long time. On the other hand, the plate falling counting mode is adopted, and the plate falling plate is opened after falling for a designated number, so that the plate falls.
According to the scheme, two sides of a rotating shaft at the rear end of the grading conveyor are movably connected to bearing seats, and the bearing seats are fixed on a lower support; the first transmission mechanism comprises a second motor fixed on the upper support, a motor shaft of the second motor is connected with the first rotating wheel, the first rotating wheel is connected with the second rotating wheel through a first belt, and the second rotating wheel is sleeved on a rotating shaft at the rear end of the grading conveyor. By adopting the technical scheme, the second motor drives the grading conveyor to rotate, and the grading conveyor integrally moves in an inclined-horizontal reciprocating manner, so that the rear end of the grading conveyor is not influenced by the movement change of the integral structure.
According to the technical scheme, the rear side of the grading device is connected with the tail end device, the tail end device comprises a first support, the left side and the right side of the first support are connected with the material receiving device, the front side and the rear side of the first support are fixedly provided with baffle plates, and the baffle plates are telescopic baffle plates. For the end device, the first bracket of the grading device and the receiving device are the same mechanism, but no grading conveyor exists. The end device is the last stage, when the plate meets the condition, the grading conveyor of the last stage grading device is horizontal, and the plate falls into the receiving device of the end device. The baffle plates are fixed on the front side and the rear side of the first bracket, so that the plate deflection can be prevented, and meanwhile, the telescopic baffle plates can correct the perpendicularity of the plate at regular time.
According to a further improvement of the scheme, the detection device further comprises a plate input device and a shooting identification device which are electrically connected with the main control device;
the input device comprises a second support, a first air suction type plate conveying machine is fixed on the second support, a lifting table is arranged below the second support, a second height detection device is arranged on the side face of the second support, a front roller fixed on the second support is arranged at the front end of the first air suction type plate conveying machine, and the front roller plays a role in stabilizing plate movement.
Further improvement of the scheme is that the shooting identification device is positioned between the input device and the grading dropping device;
the shooting identification device comprises a bottom shooting device and an upper shooting device; the front end and the rear end of the bottom shooting device and the upper shooting device are respectively provided with a second position detection device which is electrically connected with the main control device;
the bottom shooting device comprises a third bracket, a second air suction type plate conveying machine is fixed on the third bracket, a first roller fixed on the third bracket is arranged at the lower side of the front end of the second air suction type plate conveying machine, and the first roller plays a role in stabilizing the movement of the plate;
the lower part of the second air suction type plate conveying machine is provided with a first photographing device and a polishing device, and the polishing adjusts the brightness and the angle according to the requirement;
the upper photographing device comprises a second conveyor and a second photographing device positioned at the upper part of the second conveyor;
the first photographing device, the second photographing device, the polishing device and the main control device are electrically connected. The identification grading is carried out on the shot data by the main control device.
After the plate is transmitted through the bottom of the first air suction type plate conveying machine, the plate passes through the second air suction type plate conveying machine and the first roller, and when the plate is transmitted backwards through the bottom of the second air suction type plate conveying machine, the first photographing device photographs the bottom of the plate.
According to a further improvement of the scheme, a third conveyor is arranged between the shooting identification device and the grading falling device;
the outer sides of rotating shafts of the third conveyor and the second conveyor which are adjacent to each other are respectively provided with a third rotating wheel and a fourth rotating wheel, and the third rotating wheel and the fourth rotating wheel are connected through a driving belt; by adopting the technical scheme, one transmission of the third conveyor or the second conveyor can drive the other conveyor to transmit, so that the transmission synchronization is realized, the transportation stability of the plates is ensured, and meanwhile, the cost is saved.
The rotating shaft of the third conveyor is fixed on the corresponding four brackets through bearing blocks, through holes are formed in the fourth brackets, and the bottoms of the bearing blocks are positioned in the through holes; the left side and the right side of the bearing seat are provided with adjusting mechanisms; the adjusting mechanism comprises a nut fixed on the supporting frame, the screw rod penetrates through the nut, and the front end of the screw rod is in contact with the bearing seat. By adopting the technical scheme, the rotating shaft position of the third conveyor can be adjusted through the front-back rotation of the screw, so that the tightness of the belt of the third conveyor is adjusted, and the stable operation is ensured.
According to a further improvement of the scheme, two first position detection devices are fixed on the fourth bracket; an upper cross beam is fixed on the fourth bracket and the first bracket; the bottom of the upper cross beam is connected with a second roller. The first position detection device (photoelectric switch) mainly plays a role in positioning judgment, is convenient to operate subsequently, the second roller can prevent the plate from tilting, the second roller can be arranged at the bottom of the vertical rod, the vertical rod is sleeved inside the square tube, the side surface of the square tube is fixed on the upper cross beam, and therefore the second roller can move up and down according to different plate materials during transmission, and the applicability is improved.
In another aspect, the present invention provides a method of visually inspecting a conveying apparatus for sheet material in stages, comprising the steps of:
(1) The plate is conveyed backwards through the input device, when the main control device receives an induction signal of the plate entering the bottom shooting device, which is sent by the second position detection device at the front end of the bottom shooting device, the first shooting device is controlled to shoot the bottom of the plate, the pulse signal is transmitted to the PLC, the PLC converts the pulse signal into a digital signal and then transmits the digital signal to the main control device, and the main control device obtains the defect degree parameter information of the plate through operation;
when the main control device receives an induction signal sent by the second position detection device at the front end of the upper shooting device and used for entering the upper shooting device, the second shooting device is controlled to shoot the upper part of the plate, the second shooting device transmits a shot image back to the main control device, and the main control device obtains plate defect degree parameter information through calculation;
(2) The main control device performs visual detection and judgment according to the plate defect degree parameter information, detects the plate shape through comparison with a female parent, and divides the plate into different grades;
(3) After the plates are detected by the detection device, the belonging grade is input into the main control device, the main control device sends a working instruction to the grading dropping device and enables the grading dropping device to work, specifically, if the plates belong to the grade of the grading conveyor to be input, after the plates reach the designated position, the first position detection device transmits signals to the main control device, the main control device controls the front end of the grading conveyor to be driven by the fifth rotating shaft to rise, the whole grading conveyor belt is inclined, the plates fall into the receiving device at the bottom of the grading conveyor while advancing, and meanwhile, the plate quantity detection device counts; if the plate does not belong to the grade of the grading conveyor to be entered, the grading conveyor is horizontally arranged, and the plate is conveyed to the grading conveyor of the next grade or the tail end device on the upper surface of the grading conveyor;
(4) The first height detection device detects the height of the plate, when the plate on the receiving tray reaches the designated height, the cylinder contracts, the receiving tray is opened, the plate falls into the bottom conveyor at the bottom to be transmitted outwards, and then the receiving tray resets to repeat the receiving operation. The bottom conveyor can also adopt a sensor automatic control mode, and is started after the specified weight or height of the falling plate is sensed, and the bottom conveyor is not started when no plate falls.
According to a further improvement of the scheme, the visual detection in the step (2) divides the plate into different levels as follows:
comparing the parameter information of the plate in different detection dimensions of the bottom shooting device and the upper shooting device with corresponding preset standard parameter information to obtain a comparison result of the plate in each detection dimension, and calculating an evaluation value of the plate in each detection dimension according to the comparison result of the plate in each detection dimension;
multiplying the evaluation value of the plate in each detection dimension by a corresponding weight and accumulating to obtain a comprehensive evaluation value of the plate;
if the comprehensive evaluation value is within a certain level preset threshold, the comprehensive evaluation value is judged to belong to the level.
The invention has the beneficial effects that:
(1) After the plate is subjected to visual detection and classification by the main control device, the main control device sends a working instruction to the classification dropping device to enable the classification dropping device to work, automatic classification can be realized without manual operation, and the device realizes automatic operation and greatly saves energy and manpower;
(2) The equipment realizes rapid grading conveying of the plates through cooperation of the grading dropping device and the detection device, improves the working efficiency and reduces the cost. The grading conveying mode changes the traditional toggle grading mode, on one hand, the plates can be graded by whether the front end of the grading lifting mechanism is lifted or not in the process of carrying out the grading, the operation efficiency is high, and on the other hand, the requirement of multi-grade grading can be met;
(3) The grading lifting mechanism of the equipment is simple in structure, high in practicability and easy to use in large-scale production, particularly, the grading lifting mechanism and the grading conveyor are matched, the conveying efficiency of the extension machine is high, the rapid grading conveying of a large number of plates is applicable, and the damage of the plates can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the whole structure of the device (a plate input device and a bottom shooting device are not shown, and the traveling direction of the plate is from left to right;
FIG. 2 is a schematic side view of a staged dropping device;
FIG. 3 is a schematic view of the front structure of the stage dropping device;
FIG. 4 is a schematic view of a hierarchical lift mechanism;
FIG. 5 is a schematic view of the end unit structure;
FIG. 6 is a schematic diagram of a third conveyor and second conveyor connection;
FIG. 7 is a schematic view of the plate input device and bottom camera;
FIG. 8 is a schematic view of a first or second air-suction type trigger;
FIG. 9 is a schematic illustration of a closed conveyor belt configuration;
fig. 10 is a schematic diagram of the connection structure of the main control device.
In the figure, 1, a grading device, 2, a first support, 201, an upper support, 202, a lower support, 3, a grading conveyor, 4, a grading lifting mechanism, 401, a first motor, 402, a first rotating shaft, 403, a first connecting rod, 404, a second rotating shaft, 405, a third rotating shaft, 406, a fourth rotating shaft, 407, a fifth rotating shaft, 5, a receiving device, 501, a receiving tray, 502, a cylinder, 6, an end device, 601, a baffle, 7, a second photographing device, 8, a second support, 9, a first wind-sucking plate conveyor, 10, a lifting table, 11, a front roller, 12, a first roller, 13, a third support, 14, a second wind-sucking plate conveyor, 15, a first photographing device, 16, a polishing device, 17, a second conveyor, 18, a third conveyor, 19, a fourth rotating wheel, 20, a driving belt, 21, an adjusting mechanism, 22, a second roller, 23, a third, 24, a fourth support, 25, a first ventilation opening, 26, a roller belt, 27, a second ventilation opening, a closed belt, and a through box.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention. For clarity of description, the front end is the left side of fig. 1 and 7, the rear end is the right side of fig. 1 and 2, and the travelling direction of the plate is the left-right direction of fig. 7 and 1.
Example 1: the plate grading visual detection conveying equipment comprises a grading falling device and a detection device;
as shown in fig. 2-3, the classifying dropping device comprises at least one stage of classifying device 1, each stage of classifying device comprises a first bracket 2 and a classifying conveyor 3, wherein an upper support 201 and a lower support 202 are arranged on the first bracket;
as shown in fig. 4, a grading lifting mechanism 4 is fixed on the upper support, the grading lifting mechanism comprises a first motor 401, the first motor is movably connected with a first rotating shaft 402, the first rotating shaft is connected with a first connecting rod 403, the first connecting rod is movably connected with a second rotating shaft 404, the second rotating shaft is fixedly connected with a third rotating shaft 405, and the third rotating shaft is fixed on the upper support through a bearing seat; the third rotating shaft is fixedly connected with a fourth rotating shaft 406, the fourth rotating shaft is movably connected with a fifth rotating shaft 407, and the bottom of the fifth rotating shaft is movably connected with the front end of the grading conveyor;
the rear end of the grading conveyor 3 is movably connected to the lower support, and the rear end of the grading conveyor is driven to rotate by a first transmission mechanism;
the detection device comprises a main control device and a first position detection device;
the first position detection device is positioned at the front side of the grading device and is used for detecting that the plate reaches a specified position; the main control device classifies the class of the plate; the plate is divided into a first stage and a second stage, the grading devices are correspondingly arranged into the first stage and the second stage, and each stage of plates are associated with each stage of grading devices one by one;
if the plate belongs to the level of the grading conveyor to be entered, the first position detection device transmits signals to the main control device, the main control device controls the front end of the grading conveyor to be driven by the fifth rotating shaft to ascend, and the advancing plate falls into the receiving device at the bottom of the grading conveyor. Specifically, with reference to fig. 4 as a motion reference direction, the motor shaft of the first motor rotates clockwise to drive the first rotating shaft 402 to rotate clockwise, the first rotating shaft drives the second rotating shaft 404 to rotate clockwise through the first connecting rod 403, the second rotating shaft drives the third rotating shaft 405 to rotate clockwise, the third rotating shaft drives the fourth rotating shaft 406 to rotate clockwise, the fourth rotating shaft drives the fifth rotating shaft 407 to rotate clockwise, the bottom of the fifth rotating shaft is movably connected with the front end of the grading conveyor, and because the end connected with the fifth rotating shaft rises along with the rotation of the fourth rotating shaft, the fifth rotating shaft drives the front end of the grading conveyor to rise under the driving of the fourth rotating shaft at the same time of rotation.
If the plate does not belong to the grade of the grading conveyor to be entered, the grading lifting mechanism 4 is reset and does not work, namely the first motor and each rotating shaft thereof rotate anticlockwise to a reset position, the grading conveyor is horizontally arranged, and the plate is conveyed backwards on the upper surface of the grading conveyor.
Example 2: on the basis of the embodiment 1, a receiving device 5 is fixed at the lower side of the grading lifting mechanism;
the material receiving device comprises two material receiving trays 501 which are movably connected with the lower support, the outer sides of the material receiving trays are connected with one side of a cylinder 502, the other end of the cylinder is connected with the upper support, and the cylinders are obliquely arranged in the vertical direction;
the upper part of the inner side of the receiving tray is movably connected inside the lower support 202; the lower support is fixedly provided with a first height detection device, and the first height detection device detects the height of the plate.
Two sides of a rotating shaft at the rear end of the grading conveyor 3 are movably connected to bearing seats, and the bearing seats are fixed on a lower support; the first transmission mechanism comprises a second motor fixed on the upper support, a motor shaft of the second motor is connected with the first rotating wheel, the first rotating wheel is connected with the second rotating wheel through a first belt, and the second rotating wheel is sleeved on a rotating shaft at the rear end of the grading conveyor.
As shown in fig. 5, the rear side of the grading device is connected with an end device 6, the end device comprises a first bracket, the left side and the right side of the first bracket are connected with a receiving device, a baffle 601 is fixed on the front side and the rear side of the first bracket, and the baffle is a telescopic baffle.
As shown in fig. 7, the detection device further comprises a plate input device and a shooting identification device which are electrically connected with the main control device;
the input device comprises a second support 8, a first air suction type plate conveying machine 9 is fixed on the second support, a lifting table 10 is arranged below the second support, a second height detection device is arranged on the side face of the second support, and a front roller 11 fixed on the second support is arranged at the front end of the first air suction type plate conveying machine.
The shooting identification device is positioned between the input device and the grading falling device; the shooting identification device comprises a bottom shooting device and an upper shooting device; the front end and the rear end of the bottom shooting device and the upper shooting device are respectively provided with a second position detection device which is electrically connected with the main control device;
the bottom shooting device comprises a third bracket 13, a second air-suction type plate conveying machine 14 is fixed on the third bracket, the front end of the second air-suction type plate conveying machine 14 and the rear end of the first air-suction type plate conveying machine 9 are horizontally arranged, and the distance between the front end and the rear end of the second air-suction type plate conveying machine 14 is not too far, so that the plates can be stably and continuously conveyed from the first air-suction type plate conveying machine 9 to the second air-suction type plate conveying machine 14; meanwhile, the lower side of the front end of the second air-suction type plate conveying machine is provided with a first roller 12 fixed on a third bracket, which plays a role in supporting the plate during the transmission between the first bracket and the second bracket, so that the continuous transportation is ensured; the lower side of the rear end of the second air-suction type plate conveying machine is the front end of the second conveyor 17, so that the plate can enter the second conveyor to continuously convey forward for upper shooting and other operations after the second air-suction type plate conveying machine falls down;
the lower part of the second air suction type plate conveying machine is provided with a first photographing device 15 and a polishing device 16;
the upper photographing device comprises a second conveyor 17 and a second photographing device 7 positioned at the upper part of the second conveyor;
the first photographing device and the second photographing device are electrically connected with the main control device.
For the air suction type plate feeder, as shown in fig. 7, 8 and 9. The air suction type plate conveying machine comprises a box body 29 which is fixed on the second bracket 8 or the third bracket 13 and is provided with a cavity in the middle, a first ventilation opening 25 of the box body is communicated with an air inlet of the fan, and a first through hole is formed in the bottom of the box body; the front and rear parts of the box body are respectively connected with a sixth rotating shaft, and a roller 26 is arranged on the sixth rotating shaft; the roller 26 of the sixth rotating shaft is driven to rotate by the second transmission mechanism; a closed conveyor belt 27 is wrapped outside the roller 26 and the box 29; a plurality of groups of second through holes 28 are distributed on the closed conveyor belt 27 at intervals.
In particular, the fan is started to form negative pressure suction in the box 29, when the second through hole 28 of the closed conveyor belt 27 rotates to the first through hole at the bottom of the box, the plate is sucked to the second through hole of the closed conveyor belt under the action of suction in the box, the closed conveyor belt continues to rotate backwards, and when the second through hole of the conveyor belt is far away from the first through hole at the bottom of the box, the suction force to the plate in the box is gradually weakened, and the plate is gradually separated from the closed conveyor belt.
The specific working process comprises the following steps: the lifting table 10 at the bottom of the first air suction type plate conveying machine 9 is used for placing the plate on the second support 8, and a second height detection device is arranged on the side face of the second support and used for detecting the height of the plate on the lifting plate, so that the plate can be sucked by the bottom of the first air suction type plate conveying machine box 29. The plate moves backwards along with the closed conveying belt of the first air suction type plate conveying machine, when the second through hole of the closed conveying belt of the first air suction type plate conveying machine is far away from the first through hole corresponding to the bottom of the box body, the front end of the plate is gradually separated from the closed conveying belt of the first air suction type plate conveying machine, the rear end of the plate enters into the closed conveying belt of the bottom of the lower box body of the second air suction type plate conveying machine, and the plate continuously moves backwards under the drive of the closed conveying belt of the second air suction type plate conveying machine, and the bottom photographing is completed. As the plate moves backward, after the second through hole of the closed conveyer belt of the second air-suction plate feeder is far away from the first through hole corresponding to the bottom of the box, the plate is separated from the front end of the closed conveyer belt and falls into the second conveyer 17.
As shown in fig. 6, a third conveyor 18 is arranged between the shooting identification means and the grading dropping means;
the outer sides of the rotating shafts of the third conveyor and the second conveyor which are adjacent to each other are respectively provided with a third rotating wheel 23 and a fourth rotating wheel 19, and the third rotating wheel and the fourth rotating wheel are connected through a driving belt 20;
the rotating shaft of the third conveyor is fixed on a corresponding fourth bracket through a bearing seat, a through hole is formed in the fourth bracket, and the bottom of the bearing seat is positioned in the through hole; the left side and the right side of the bearing seat are provided with adjusting mechanisms 21; the adjusting mechanism comprises a nut fixed on the supporting frame, the screw rod penetrates through the nut, and the front end of the screw rod is in contact with the bearing seat.
Two first position detection devices are fixed on the fourth bracket; an upper cross beam is fixed on the fourth bracket and the first bracket; the bottom of the upper beam is connected with a second roller 22.
Example 3: the conveying method of the plate grading visual inspection conveying equipment comprises the following steps:
(1) The plate is conveyed backwards through the input device, when the main control device receives an induction signal of the plate entering the bottom shooting device, which is sent by the second position detection device at the front end of the bottom shooting device, the first shooting device is controlled to shoot the bottom of the plate, the pulse signal is transmitted to the PLC, the PLC converts the pulse signal into a digital signal and then transmits the digital signal to the main control device, and the main control device obtains the defect degree parameter information of the plate through operation;
when the main control device receives an induction signal sent by the second position detection device at the front end of the upper shooting device and used for entering the upper shooting device, the second shooting device is controlled to shoot the upper part of the plate, the second shooting device transmits a shot image back to the main control device, and the main control device obtains plate defect degree parameter information through calculation;
(2) The main control device performs visual detection and judgment according to the plate defect degree parameter information, detects the plate shape through comparison with a female parent, and divides the plate into different grades; the specific classification steps are as follows:
comparing parameter information of the plate in different detection dimensions of the bottom shooting device and the upper shooting device with corresponding preset standard parameter information, wherein the detection dimensions comprise flaws (holes, cracks, spots and the like), plate textures, colors, chromatic aberration, sizes, shapes and the like, and setting a detection range and a duty ratio according to requirements; obtaining a comparison result of the plate in each detection dimension, and calculating an evaluation value of the plate in each detection dimension according to the comparison result of the plate in each detection dimension;
multiplying the evaluation value of the plate in each detection dimension by a corresponding weight and accumulating to obtain a comprehensive evaluation value of the plate;
if the comprehensive evaluation value is within a certain level preset threshold, judging that the comprehensive evaluation value belongs to the level;
(3) After the plates are detected by the detection device, the belonging grade is input into the main control device, the main control device sends a working instruction to the grading dropping device and enables the grading dropping device to work, specifically, if the plates belong to the grade of the grading conveyor to be input, after the plates reach the designated position, the first position detection device transmits signals to the main control device, the main control device controls the front end of the grading conveyor to be driven by the fifth rotating shaft to rise, the whole grading conveyor belt is inclined, the plates fall into the receiving device at the bottom of the grading conveyor while advancing, and meanwhile, the plate quantity detection device counts; if the plate does not belong to the grade of the grading conveyor to be entered, the grading conveyor is horizontally arranged, and the plate is conveyed to the grading conveyor of the next grade or the tail end device on the upper surface of the grading conveyor;
(4) The first height detection device detects the height of the plate, when the plate on the receiving tray reaches the designated height, the cylinder contracts, the receiving tray is opened, the plate falls into the bottom conveyor at the bottom to be transmitted outwards, and then the receiving tray resets to repeat the receiving operation.
And the detection devices are all corresponding sensors in the market.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. Hierarchical vision detection conveying equipment of panel, its characterized in that: comprises a grading falling device and a detection device;
the grading falling device comprises at least one grade grading device (1), each grade grading device comprises a first bracket (2) and a grading conveyor (3), and an upper support (201) and a lower support (202) are arranged on the first bracket;
the upper support is fixedly provided with a grading lifting mechanism (4), the grading lifting mechanism comprises a first motor (401), the first motor is movably connected with a first rotating shaft (402), the first rotating shaft is connected with a first connecting rod (403), the first connecting rod is movably connected with a second rotating shaft (404), the second rotating shaft is fixedly connected with a third rotating shaft (405), and the third rotating shaft is fixed on the upper support through a bearing seat; the third rotating shaft is fixedly connected with a fourth rotating shaft (406), the fourth rotating shaft is movably connected with a fifth rotating shaft (407), and the bottom of the fifth rotating shaft is movably connected with the front end of the grading conveyor;
the rear end of the grading conveyor (3) is movably connected to the lower support, and the rear end of the grading conveyor is driven to rotate by a first transmission mechanism;
the detection device comprises a main control device and a first position detection device; the first position detection device detects that the plate reaches a specified position; the main control device classifies the grades of the plates, and each grade of plates are associated with each grade of grading devices one by one;
if the plate belongs to the level of the grading conveyor to be entered, the first position detection device transmits a signal to the main control device, and the main control device controls the front end of the grading conveyor to be driven to rise by the fifth rotating shaft, and the advancing plate falls into the bottom of the grading conveyor; if the plate does not belong to the grade of the grading conveyor to be entered, resetting the grading lifting mechanism (4) to be inactive, horizontally arranging the grading conveyor, and conveying the plate backwards on the upper surface of the grading conveyor;
the detection device further comprises a plate input device and a shooting identification device which are electrically connected with the main control device;
the shooting identification device is positioned between the plate input device and the grading falling device;
the shooting identification device comprises a bottom shooting device and an upper shooting device; the front end and the rear end of the bottom shooting device and the upper shooting device are respectively provided with a second position detection device which is electrically connected with the main control device;
the bottom shooting device comprises a third bracket (13), a second air suction type plate conveying machine (14) is fixed on the third bracket, and a first roller (12) fixed on the third bracket is arranged at the lower side of the front end of the second air suction type plate conveying machine;
the lower part of the second air suction type plate conveying machine is provided with a first photographing device (15) and a polishing device (16);
the upper photographing device comprises a second conveyor (17) and a second photographing device (7) positioned at the upper part of the second conveyor;
the first photographing device and the second photographing device are electrically connected with the main control device;
a material receiving device (5) is fixed at the lower side of the grading lifting mechanism;
the material receiving device comprises two material receiving discs (501) which are movably connected with the lower support, the outer sides of the material receiving discs are connected with one side of a cylinder (502), the other end of the cylinder is connected with the upper support, and the cylinder is obliquely arranged in the vertical direction;
the upper part of the inner side of the receiving tray is movably connected inside the lower support (202);
the lower support is fixedly provided with a first height detection device, and the first height detection device detects the height of the plate.
2. The sheet material graded vision inspection and transportation device according to claim 1, wherein: two sides of a rotating shaft at the rear end of the grading conveyor (3) are movably connected to bearing seats, and the bearing seats are fixed on a lower support; the first transmission mechanism comprises a second motor fixed on the upper support, a motor shaft of the second motor is connected with the first rotating wheel, the first rotating wheel is connected with the second rotating wheel through a first belt, and the second rotating wheel is sleeved on a rotating shaft at the rear end of the grading conveyor.
3. The sheet material graded vision inspection and transportation device according to claim 1, wherein: the rear side of the grading device is connected with the tail end device (6), the tail end device comprises a first support, the left side and the right side of the first support are connected with the material receiving device, the front side and the rear side of the first support are fixed with baffle plates (601), and the baffle plates are telescopic baffle plates.
4. The sheet material graded vision inspection and transportation device according to claim 1, wherein: the plate input device comprises a second support (8), a first air suction type plate conveying machine (9) is fixed on the second support, a lifting table (10) is arranged below the second support, a second height detection device is arranged on the side face of the second support, and a front roller (11) fixed on the second support is arranged at the front end of the first air suction type plate conveying machine.
5. The apparatus for the hierarchical visual inspection and delivery of sheet material according to claim 4, wherein: a third conveyor (18) is arranged between the shooting identification device and the grading falling device;
the outer sides of rotating shafts of the third conveyor and the second conveyor which are adjacent to each other are respectively provided with a third rotating wheel (23) and a fourth rotating wheel (19), and the third rotating wheel and the fourth rotating wheel are connected through a driving belt (20);
the rotating shaft of the third conveyor is fixed on a corresponding fourth support (24) through a bearing seat, a through hole is formed in the fourth support, and the bottom of the bearing seat is positioned in the through hole; the left side and the right side of the bearing seat are provided with adjusting mechanisms (21); the adjusting mechanism comprises a nut fixed on the supporting frame, the screw rod penetrates through the nut, and the front end of the screw rod is in contact with the bearing seat.
6. The apparatus for the hierarchical visual inspection and delivery of sheet material according to claim 5, wherein: two first position detection devices are fixed on the fourth bracket; an upper cross beam is fixed on the fourth bracket and the first bracket; the bottom of the upper cross beam is connected with a second roller (22).
7. A method of using the sheet material staged visual inspection conveyor device of any of claims 1-6, comprising the steps of:
(1) The plate is conveyed backwards through the input device, when the main control device receives an induction signal sent by the second position detection device at the front end of the bottom shooting device and used for entering the bottom shooting device, the first shooting device is controlled to shoot the bottom of the plate, the first shooting device returns a shot image to the main control device, and the main control device obtains plate defect degree parameter information through calculation;
when the main control device receives an induction signal sent by the second position detection device at the front end of the upper shooting device and used for entering the upper shooting device, the second shooting device is controlled to shoot the upper part of the plate, the second shooting device transmits a shot image back to the main control device, and the main control device obtains plate defect degree parameter information through calculation;
(2) The main control device performs visual detection and judgment according to the plate defect degree parameter information, detects the plate shape through comparison with a female parent, and divides the plate into different grades;
(3) After the plates are detected by the detection device, the belonging grade is input into the main control device, the main control device sends a working instruction to the grading dropping device and enables the grading dropping device to work, specifically, if the plates belong to the grade of the grading conveyor to be input, after the plates reach the designated position, the first position detection device transmits signals to the main control device, the main control device controls the front end of the grading conveyor to be driven by the fifth rotating shaft to rise, the whole grading conveyor belt is inclined, the plates fall into the receiving device at the bottom of the grading conveyor while advancing, and meanwhile, the plate quantity detection device counts; if the plate does not belong to the grade of the grading conveyor to be entered, the grading conveyor is horizontally arranged, and the plate is conveyed to the grading conveyor of the next grade or the tail end device on the upper surface of the grading conveyor;
(4) The first height detection device detects the height of the plate, when the plate on the receiving tray reaches the designated height, the cylinder contracts, the receiving tray is opened, the plate falls into the bottom conveyor at the bottom to be transmitted outwards, and then the receiving tray resets to repeat the receiving operation.
8. The method of sheet material staged visual inspection conveying apparatus of claim 7, wherein: the visual detection in the step (2) divides the plate into different levels as follows:
comparing the parameter information of the plate in different detection dimensions of the bottom shooting device and the upper shooting device with corresponding preset standard parameter information to obtain a comparison result of the plate in each detection dimension, and calculating an evaluation value of the plate in each detection dimension according to the comparison result of the plate in each detection dimension; multiplying the evaluation value of the plate in each detection dimension by a corresponding weight and accumulating to obtain a comprehensive evaluation value of the plate; if the comprehensive evaluation value is within a certain level preset threshold, the comprehensive evaluation value is judged to belong to the level.
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| CN202311498071.4A CN117225735B (en) | 2023-11-13 | 2023-11-13 | Board grading visual inspection conveying equipment and method thereof |
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| CN202311498071.4A CN117225735B (en) | 2023-11-13 | 2023-11-13 | Board grading visual inspection conveying equipment and method thereof |
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| CN117225735A (en) | 2023-12-15 |
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