CN113953184B - Multilayer glass plate image screening machine - Google Patents
Multilayer glass plate image screening machine Download PDFInfo
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- CN113953184B CN113953184B CN202111330660.2A CN202111330660A CN113953184B CN 113953184 B CN113953184 B CN 113953184B CN 202111330660 A CN202111330660 A CN 202111330660A CN 113953184 B CN113953184 B CN 113953184B
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- 239000011521 glass Substances 0.000 title claims abstract description 194
- 238000012216 screening Methods 0.000 title claims abstract description 35
- 238000007599 discharging Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000006698 induction Effects 0.000 claims abstract description 27
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000003384 imaging method Methods 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 238000002834 transmittance Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000012797 qualification Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/367—Sorting apparatus characterised by the means used for distribution by means of air using a plurality of separation means
Abstract
The invention discloses a multi-layer glass disc image screening machine which comprises a main frame, a feeding unit, a screening unit, a detection unit, a separation unit and a controller, wherein the feeding unit comprises a storage bin, a whole row machine and a conveying track, the screening unit comprises a multi-layer structure and coaxial multi-layer glass discs, the detection unit comprises a plurality of image devices corresponding to the multi-layer glass discs, the separation unit comprises an air blowing device and a discharging device, wherein the image devices comprise cameras, backlight plates and induction sensors.
Description
Technical Field
The invention relates to the technical field of workpiece screening, in particular to a multi-layer glass disc image screening machine with small occupied space, high detection efficiency and low hardware cost.
Background
The glass disc image screening machine automatically conveys the well-listed workpieces to a high-light-transmission glass turntable, acquires images of the workpieces by utilizing a CCD high-precision camera, uploads the images to a computer for image digital processing, extracts various characteristics such as area, shape, quantity and size on the images of the workpieces, compares and identifies the parameters of detected targets according to preset reference target parameters to obtain whether the parameters of the detected targets are qualified or not and make corresponding judgment, so that qualified products and unqualified products are automatically separated, and the full-automatic high-precision detection of a large number of workpieces is met.
Disclosure of Invention
The invention mainly solves the technical problems; the multilayer glass disk image screening machine is small in occupied space, high in detection efficiency and low in hardware cost.
In order to solve the technical problems, the invention mainly adopts the following technical scheme:
the invention relates to a multi-layer glass disc image screening machine which is used for size detection of workpieces and comprises a machine body, a machine frame and a machine frame
Comprising the following steps:
the main frame is used for installing the feeding unit, the screening unit, the detection unit, the separation unit and the controller;
the feeding unit is used for arranging and conveying the workpieces to the glass discs of the multi-layer structure and comprises a storage bin, a arraying machine corresponding to a discharging opening of the storage bin and a plurality of conveying tracks connected with the outlet end of the arraying machine, wherein the conveying tracks are in one-to-one correspondence with the glass discs of the multi-layer structure;
the screening unit comprises a glass disc with a multi-layer structure, wherein the glass disc is arranged on the main frame and is a high-light-transmittance glass disc, the glass disc with the multi-layer structure is coaxial and driven by the same motor, an annular workpiece placement area is arranged on the upper surface of the glass disc, and outlets of the conveying tracks respectively correspond to the workpiece placement areas of the glass disc and convey workpieces to be detected into the workpiece placement areas;
the detection unit is used for acquiring workpiece images and comprises an imaging device, wherein the imaging device comprises a camera, a backlight plate and an induction sensor;
the separation unit is used for classifying and outputting the detected workpieces, is positioned at the rear of the detection unit and corresponds to the glass disc, and comprises an air blowing device and a discharging device, wherein the air blowing device is externally connected with a high-pressure air source;
the controller is used for controlling the feeding unit, the screening unit, the detecting unit and the separating unit, wherein the workpiece size image data acquired by the detecting unit are analyzed to form quality parameters of the workpiece, and the quality parameters are classified as qualified or unqualified or rechecked;
the glass plate with the multilayer structure is designed and driven by the same motor, and the detection device with more loops is accommodated under the same occupied area, so that the detection efficiency is improved by times, and the glass plate with the multilayer structure shares the same driving mechanism, so that the energy consumption is effectively reduced, the manufacturing cost and the using cost are reduced, and the equipment space is fully utilized.
Preferably, the detecting unit includes a plurality of image devices having the same structure and corresponding to the glass discs in the multi-layer structure, the image devices are distributed at intervals along the rotation direction of the glass discs and respectively correspond to the workpiece placement areas of the corresponding glass discs to form a plurality of image detecting stations, wherein the first image device corresponds to the glass disc on the uppermost layer, the second image device corresponds to the glass disc on the second layer, and so on, the nth image device corresponds to the glass disc on the lowermost layer, and the image devices include an image bracket, a camera, a backlight plate and an induction sensor, which are arranged on the image bracket and can adjust positions, the image devices are distributed at intervals, do not interfere with each other during detection, have high image precision, and are convenient for adjustment of the camera or the backlight plate.
Preferably, the image bracket is fixed on the main frame, the camera is positioned above the corresponding glass disc, the lens of the camera is aligned to the surface of the workpiece placement area of the glass disc, the backlight plate is positioned below the glass disc and corresponds to the camera, the induction sensor is positioned in front of the camera and above the workpiece placement area of the glass disc, and the camera and the backlight plate are respectively arranged on the upper side and the lower side of the workpiece placement area of the glass disc, so that the image size of the workpiece is clearer, and the detection effect is better.
Preferably, the diameter of the workpiece placement area of the upper glass plate of the glass plate with the multilayer structure is larger than that of the workpiece placement area of the lower glass plate, the detection unit comprises a plurality of image devices which are identical in structure and correspond to the glass plates with the multilayer structure one by one, the image devices are distributed at intervals along the rotation direction of the glass plates and respectively correspond to the workpiece placement areas of the corresponding glass plates to form a plurality of image detection stations, the first image device corresponds to the uppermost glass plate, the second image device corresponds to the second glass plate, and the nth image device corresponds to the lowermost glass plate, the image devices comprise image brackets, cameras and backlight plates which are arranged on the image brackets and can adjust positions, and induction sensors, and the workpiece placement areas of different glass plates are designed to be different in diameter, so that the projections of the workpiece placement areas are separated, and the follow-up cameras can acquire and process images of workpieces conveniently.
Preferably, the image bracket is fixedly arranged on the main frame, the camera is positioned above the uppermost glass plate, the camera lens is aligned to the surface of the corresponding glass plate workpiece placement area, the backlight plate is positioned below the corresponding glass plate and corresponds to the camera, a light shield which is matched with the backlight plate in size is arranged on the backlight plate, the upper edge of the light shield extends to the bottom surface of the glass plate, the induction sensor is positioned in front of the camera and above the workpiece placement area of the glass plate, the camera of the image device can be arranged above the uppermost glass plate in a wider space by utilizing the high light transmittance of the glass plate, and the thinner backlight plate is inserted below the glass plate, so that the distance between the glass plates of the multi-layer structure is reduced, the clarity and completeness of workpiece image data in the workpiece placement area of each layer of glass plate are ensured, and the space height of equipment is also reduced.
Preferably, the diameter of the workpiece placement area of the upper glass plate of the multilayer structure is larger than that of the workpiece placement area of the lower glass plate, the imaging device comprises an imaging bracket, a camera, a backlight plate and a plurality of induction sensors, wherein the camera and the backlight plate are arranged on the imaging bracket and can adjust positions, the induction sensors are in one-to-one correspondence with the workpiece placement areas of the glass plates of the multilayer structure, the camera is arranged above the glass plate of the uppermost layer, the backlight plate is arranged below the glass plate of the lowermost layer, the induction sensors are arranged in front of the camera and are arranged above the workpiece placement areas of the corresponding glass plates, the glass plates of the multilayer structure adopt a set of camera and the backlight plate, and the single camera can collect images of the workpieces in the workpiece placement areas of the glass plates by utilizing the high light transmittance of the glass plates and triggering of the induction sensors, so that the space between the glass plates of the multilayer structure is reduced, and the manufacturing cost and the using cost of the equipment are correspondingly reduced.
Preferably, the blowing device comprises a plurality of nozzle assemblies which have the same structure and are in one-to-one correspondence with the glass discs of the multilayer structure, the nozzle assemblies are positioned at the inner sides of the workpiece placement areas of the corresponding glass discs and face the workpiece placement areas, the discharging device is positioned at the outer sides of the glass discs of the multilayer structure and corresponds to the nozzle assemblies, the controllable high-pressure gas nozzle assemblies are utilized to respectively collect detected workpieces on the glass discs in a classified manner according to quality parameters, and the blowing device is simple in structure and accurate and rapid in classification.
Preferably, the nozzle assembly comprises a first nozzle, a second nozzle and a third nozzle which are distributed in sequence along the rotation direction of the glass disk, the first nozzle is externally connected with a first electromagnetic valve and is externally connected with a high-pressure air source through the first electromagnetic valve, the second nozzle is externally connected with a second electromagnetic valve and is externally connected with a high-pressure air source through the second electromagnetic valve, the third nozzle is externally connected with a third electromagnetic valve and is externally connected with a high-pressure air source through the third electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are respectively and electrically connected with the controller, the discharging device is provided with a first discharging channel, a second discharging channel and a third discharging channel which are mutually separated, a plurality of openings which are vertically arranged and are in one-to-one correspondence with the glass disk with a multi-layer structure are arranged on the first discharging channel, the openings face the first nozzle of the nozzle assembly and receive workpieces blown down by the first nozzle, the second discharging channel is provided with a plurality of openings which are vertically arranged and are in one-to-one correspondence with the multi-layer glass discs, the openings face the second nozzles of the nozzle assemblies and receive the workpieces blown off by the second nozzles, the third discharging channel is provided with a plurality of openings which are vertically arranged and are in one-to-one correspondence with the multi-layer glass discs, the openings face the third nozzles of the nozzle assemblies and receive the workpieces blown off by the third nozzles, the outlets of the first discharging channel, the second discharging channel and the third discharging channel are respectively externally connected with corresponding classified workpiece boxes, the controller controls the high-pressure gas of the nozzles of the corresponding glass discs through the electromagnetic valves in the corresponding nozzle assemblies according to the quality parameters of the workpieces, blows off the workpieces with different quality parameters and sends the workpieces into different discharging channels so as to achieve classification and collection of the workpieces, the discharging channels with the vertical openings can collect the workpieces on the different glass discs and gather the workpieces to the classified workpiece boxes, and (5) finishing the quality detection of the workpiece.
Preferably, the workpiece placement area is in an annular groove structure, the cross section of the annular groove is V-shaped, U-shaped or semicircular, and the strip-shaped workpiece or the circular workpiece can be stably placed in the workpiece groove.
Preferably, the motor is a servo motor, and the glass disc is driven to rotate by the servo motor, so that the accuracy of the rotation angle of the glass disc and the accuracy of workpiece image control are ensured.
The beneficial effects of the invention are as follows: the glass plate with the multilayer structure is designed and driven by the same motor, and the detection device with more loops is accommodated under the same occupied area, so that the detection efficiency is improved by times, and the glass plate with the multilayer structure shares the same driving mechanism, so that the energy consumption is effectively reduced, the manufacturing cost and the using cost are reduced, and the equipment space is fully utilized.
Drawings
Fig. 1 is a schematic view of a structure of the present invention.
Fig. 2 is a top view of the structure of fig. 1.
In the figure, 1, a main frame, 2, a storage bin, 3, an arranger, 4, a conveying track, 5, a glass tray with a multi-layer structure, 51, a workpiece placement area, 6, an imaging device, 61, an imaging bracket, 62, a camera, 63, a backlight plate, 64, an induction sensor, 7, an air blowing device, 71, a first nozzle, 72, a second nozzle, 73, a third nozzle, 8, a discharging device and 81, and classifying workpiece boxes.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Example 1: the multi-layered glass disk image screening machine of this embodiment 1 is used for workpiece inspection, as shown in FIG. 1
And as shown in fig. 2, the screening machine includes:
the main frame 1 is used for installing a feeding unit, a screening unit, a detection unit, a separation unit and a controller;
the feeding unit is used for arranging and conveying the workpieces onto the glass discs and comprises a storage bin 2, a arraying machine 3 corresponding to a discharging opening of the storage bin and a plurality of conveying tracks (4) connected with the outlet end of the arraying machine, wherein the conveying tracks are in one-to-one correspondence with the glass discs in the multilayer structure;
the screening unit comprises a glass disc 5 with a multi-layer structure, wherein the glass disc is a high-light-transmittance glass disc, the glass disc with the multi-layer structure is coaxial and driven by the same motor, the motor is a servo motor, the upper surface of the glass disc is provided with a workpiece placement area 51 with an annular groove structure, the cross section of the annular groove is V-shaped, and the outlets of the conveying tracks respectively correspond to the workpiece placement areas of the glass disc and convey workpieces to be detected into the workpiece placement areas;
the detection unit is used for acquiring workpiece images and comprises an imaging device 6, wherein the imaging device comprises a camera, a backlight plate and an induction sensor;
the separating unit is used for classifying and outputting the detected workpieces, is positioned at the rear of the detecting unit and corresponds to the glass disc, and comprises an air blowing device 7 and a discharging device 8, and the air blowing device is externally connected with a high-pressure air source;
the controller is used for controlling the feeding unit, the screening unit, the detecting unit and the separating unit, wherein the workpiece size image data obtained by the detecting unit are analyzed to form quality parameters of the workpiece, the quality parameters are classified as qualified or unqualified or rechecked, and the controller is provided with a display screen and can display various parameters such as the image data of the workpiece, the quality parameters, the number of classified workpieces and the like in real time;
the multi-layer structure glass disc of the screening unit of this embodiment 1 is a two-layer structure design, the detection unit includes two image devices with the same structure and corresponding to the glass disc of the two-layer structure, the two image devices are distributed at intervals along the rotation direction of the glass disc, wherein the first image device corresponds to the glass disc of the upper layer and forms an upper image detection station, the second image device corresponds to the glass disc of the lower layer and forms a lower image detection station, the first image device includes an image bracket 61, a camera 62 and a backlight 63 which are arranged on the image bracket and can be adjusted in position, and an induction sensor 64, the image bracket is fixed on the main frame, the camera is positioned above the upper glass disc, the lens of the camera is aligned with the surface of the workpiece placement area of the upper glass disc, the backlight is positioned below the upper glass disc and corresponds to the camera, the induction sensor is positioned in front of the camera and is positioned above the workpiece placement area of the upper glass disc, the camera and the backlight of the second image device and corresponds to the workpiece placement area of the lower glass disc are positioned in front of the lower glass disc; the blowing device comprises two nozzle assemblies with the same structure, wherein the nozzle assemblies corresponding to the upper glass plate are arranged at the inner side of the workpiece placing area of the upper glass plate and face the workpiece placing area, the nozzle assemblies corresponding to the lower glass plate are arranged at the inner side of the workpiece placing area of the lower glass plate and face the workpiece placing area, the nozzle assemblies comprise a first nozzle 71, a second nozzle 72 and a third nozzle 73 which are sequentially distributed along the rotation direction of the glass plate, the first nozzle is externally connected with a first electromagnetic valve and is externally connected with a high-pressure air source through the first electromagnetic valve, the second nozzle is externally connected with a second electromagnetic valve and is externally connected with a high-pressure air source through the second electromagnetic valve, the third nozzle is externally connected with a third electromagnetic valve and is externally connected with a high-pressure air source through the third electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are respectively electrically connected with the controller and are controlled by the controller, the above-mentioned discharging device 8 is designed with a first discharging channel, a second discharging channel and a third discharging channel which are separated from each other, the first discharging channel is designed with two openings which are vertically arranged and are in one-to-one correspondence with the upper layer glass disk and the lower layer glass disk, the openings face the first nozzle of the nozzle assembly and receive the work pieces blown off by the first nozzle, the second discharging channel is designed with two openings which are vertically arranged and are in one-to-one correspondence with the upper layer glass disk and the lower layer glass disk, the openings face the second nozzle of the nozzle assembly and receive the work pieces blown off by the second nozzle, the third discharging channel is designed with two openings which are vertically arranged and are in one-to-one correspondence with the upper layer glass disk and the lower layer glass disk, the openings face the third nozzle of the nozzle assembly and receive the work pieces blown off by the third nozzle, the outlets of the first discharging channel, the second discharging channel and the third discharging channel are respectively connected with the corresponding sorting work pieces boxes 81 in an external connection, wherein the first discharge channel is defined as a good channel, the second discharge channel is defined as a bad channel, and the third discharge channel is defined as a heavy inspection channel.
During the use, the storage silo regularly feeds to the permutation machine, the permutation machine is equipped with two exports, wait to detect the work piece and distribute to two delivery track at steady at the uniform velocity behind the permutation machine vibration pay-off, and then carry in order to the work piece on the double-deck glass dish place the district in, at this moment, double-deck glass dish rotates under servo motor's drive, wait to detect the work piece and place the regional interval arrangement marching in the work piece of upper glass dish and lower floor glass dish, adjust delivery track's speed or the rotational speed of glass dish, just can adjust the interval distance between the work piece correspondingly, when arranging the work piece that the line was advanced arrived the inductive transducer department that corresponds detecting element, inductive transducer detects this work piece and sends this work piece's position signal to the controller in, the controller combines glass dish rotational speed and delivery track speed, after the dead time or interval when this work piece reach corresponding image detection station, the camera is triggered and is photographed, the image of this work piece is sent to the controller in with the reference image parameter analysis, and then the quality parameter of this work piece, finally, when this work piece continues to the separation unit, the speed of going forward to the work piece, control piece is according to the quality parameter of this work piece, the corresponding nozzle is moved down in the corresponding high-pressure nozzle and the corresponding to the work piece is placed in the high-level, the corresponding layer is placed in the quality area and the work piece is placed in the high-quality area and is blown out to the work piece is placed to the corresponding to the high-quality in the corresponding air, the air filter, the work piece is placed in the quality area and is placed in the corresponding to the quality place in the quality place the glass layer, and the quality area is high-quality and the quality of the work piece is placed.
Example 2: the multi-layer glass disc image screening machine of this embodiment 2 comprises a main frame, a feeding unit, a screening unit, a detection unit, a separation unit and a controller, wherein the screening unit comprises a glass disc with a double-layer structure, wherein the diameter of a workpiece placement area of an upper-layer glass disc is larger than that of a workpiece placement area of a lower-layer glass disc, the detection unit comprises two imaging devices which have the same structure and are in one-to-one correspondence with the glass disc with the double-layer structure, the two imaging devices are distributed at intervals along the rotation direction of the glass disc and respectively correspond to the workpiece placement areas of the corresponding glass discs to form two image detection stations, wherein the first imaging device corresponds to the uppermost-layer glass disc, the second imaging device corresponds to the second-layer glass disc, a camera of the upper-layer imaging device is positioned above the upper-layer glass disc, a lens of the camera is aligned with the surface of the workpiece placement area of the upper-layer glass disc, the backlight plate of the upper image device is positioned below the upper glass plate and corresponds to the camera, a light shield which is matched with the backlight plate in size is designed on the backlight plate, the upper edge of the light shield extends to the bottom surface of the glass plate, the induction sensor of the upper image device is positioned in front of the camera and above the workpiece placement area of the upper glass plate, the camera of the lower image device is positioned above the upper glass plate, the lens of the camera is aligned to the surface of the workpiece placement area of the lower glass plate, the backlight plate of the lower image device is positioned below the lower glass plate and corresponds to the camera, the light shield which is matched with the backlight plate in size is designed on the backlight plate, the upper edge of the light shield extends to the bottom surface of the lower glass plate, the mutual interference of lamplight of the backlight plate is prevented, the induction sensor of the lower image device is positioned in front of the camera and above the workpiece placement area of the lower glass plate, the cameras of the two imaging devices are arranged at the open space above the upper glass plate, and the thinner backlight plate is inserted below the corresponding glass plate, so that the clear and complete workpiece images acquired on each glass plate are ensured, the inter-plate distance between the glass plates with the multilayer structure is reduced, the space height of the device is reduced, and other parts of the second embodiment are similar to the corresponding parts of the first embodiment, and are not repeated herein.
Example 3: the multi-layer glass plate image screening machine of the embodiment 3 comprises a main frame, a feeding unit, a screening unit, a detecting unit, a separating unit and a controller, wherein the screening unit comprises a glass plate with a double-layer structure, the diameter of a workpiece placement area of the upper glass plate is larger than that of a workpiece placement area of the lower glass plate, the imaging device comprises an image bracket, a camera and a backlight plate which are arranged on the image bracket and can be adjusted in position, and two induction sensors, the two induction sensors are in one-to-one correspondence with the workpiece placement areas of the glass plate with the double-layer structure, the camera is arranged above the upper glass plate, the backlight plate is arranged below the lower glass plate, one induction sensor is arranged in front of the camera and is arranged above the upper glass plate and corresponds to the workpiece placement area of the upper glass plate, the other induction sensor is located in front of the camera and above the lower glass plate and corresponds to the workpiece placement area of the lower glass plate, the multi-layer structure glass plate of the screening machine of the embodiment 3 shares a set of camera and backlight plate, and the single camera simultaneously performs image acquisition on workpieces with different diameters in the workpiece placement area on the plurality of glass plates by utilizing the high light transmittance of the glass plate and the detection triggering control of the plurality of induction sensors, so that the space between the multi-layer structure glass plates is reduced, the space height of the equipment is reduced, the manufacturing cost and the use cost are effectively reduced, and other parts of the third embodiment are similar to the corresponding parts of the first embodiment and the second embodiment, and are not repeated herein.
In the description of the present invention, technical terms such as "upper", "lower", "front", "rear", "left", "right", "longitudinal", "transverse", "inner", "outer", etc. refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, and are merely for convenience of description and understanding of the technical solution of the present invention, the present invention is not limited to the above description, and the present invention is not limited to the examples described above, but is also intended to be regarded as the scope of protection of the present invention by those skilled in the art.
Claims (5)
1. A multiple glazing panel image screening machine for detection of a workpiece, the screening machine comprising:
the main frame (1) is used for installing a feeding unit, a screening unit, a detection unit, a separation unit and a controller;
the feeding unit is used for arranging and conveying the workpieces to the glass discs with the multi-layer structure and comprises a storage bin (2), a arraying machine (3) corresponding to a discharging opening of the storage bin and a plurality of conveying tracks (4) connected with the outlet end of the arraying machine, wherein the conveying tracks are in one-to-one correspondence with the glass discs with the multi-layer structure;
the screening unit comprises a glass disc (5) which is arranged on the main frame and is of a multi-layer structure, the glass disc is of a high light transmittance, the glass disc of the multi-layer structure is coaxial and driven by the same motor, an annular workpiece placement area (51) is arranged on the upper surface of the glass disc, and the outlets of the conveying tracks respectively correspond to the workpiece placement areas of the glass disc and convey workpieces to be detected into the workpiece placement areas;
the detection unit is used for acquiring workpiece images and comprises an imaging device (6), wherein the imaging device comprises a camera, a backlight plate and an induction sensor;
the separating unit is used for classifying and outputting the detected workpieces, is positioned at the rear of the detecting unit and corresponds to the glass disc, and comprises an air blowing device (7) and a discharging device (8), and the air blowing device is externally connected with a high-pressure air source;
the controller is used for controlling the feeding unit, the screening unit, the detecting unit and the separating unit, wherein the workpiece image data acquired by the detecting unit are analyzed to form quality parameters of the workpiece, and the quality parameters comprise qualification, disqualification or rechecking;
the diameter of the workpiece placement area of the upper glass disc of the multilayer structure is larger than that of the workpiece placement area of the lower glass disc, the detection unit comprises a plurality of imaging devices which are identical in structure and are in one-to-one correspondence with the glass discs of the multilayer structure, the imaging devices are distributed at intervals along the rotation direction of the glass discs and respectively correspond to the workpiece placement areas of the corresponding glass discs to form a plurality of image detection stations, wherein the first imaging device corresponds to the uppermost glass disc, the second imaging device corresponds to the second glass disc, and the N imaging device corresponds to the lowermost glass disc, and the imaging device comprises an image bracket (61), a camera (62) which is arranged on the image bracket and can adjust the position, a backlight plate (63) and an induction sensor (64);
the image bracket is fixedly arranged on the main frame, the camera is positioned above the uppermost glass disk, the camera lens is aligned to the surface of the corresponding glass disk workpiece placement area, the backlight plate is positioned below the corresponding glass disk and corresponds to the camera, a light shield which is matched with the backlight plate in size is arranged on the backlight plate, the upper edge of the light shield extends to the bottom surface of the glass disk, and the induction sensor is positioned in front of the camera and is positioned above the workpiece placement area of the glass disk;
the workpiece placement area is of an annular groove structure, and the cross section of the annular groove is V-shaped, U-shaped or semicircular.
2. The multiple glass disc image screening machine according to claim 1, wherein: the diameter of the upper layer glass disc workpiece placement area of the glass disc (5) with the multilayer structure is larger than that of the lower layer glass disc workpiece placement area, the imaging device comprises an image bracket (61), a camera (62) and a backlight plate (63) which are arranged on the image bracket and can adjust positions, and a plurality of induction sensors (64), wherein the induction sensors are in one-to-one correspondence with the workpiece placement areas of the glass disc with the multilayer structure, the camera is positioned above the uppermost layer glass disc, the backlight plate is positioned below the lowermost layer glass disc, and the induction sensors are positioned in front of the camera and are positioned above the workpiece placement areas of the corresponding glass discs.
3. The multiple glass disc image screening machine according to claim 1, wherein: the blowing device (7) comprises a plurality of nozzle assemblies which are of the same structure and correspond to the glass discs (5) of the multilayer structure one by one, the nozzle assemblies are positioned at the inner sides of the workpiece placement areas of the corresponding glass discs and face the workpiece placement areas, and the discharging device (8) is positioned at the outer sides of the glass discs of the multilayer structure and corresponds to the nozzle assemblies.
4. A multiple layer glass disc image screening machine according to claim 3, wherein: the utility model provides a glass dish, including glass dish rotation direction, the nozzle assembly includes first nozzle (71), second nozzle (72) and third nozzle (73) that distribute in proper order, above-mentioned first nozzle external first solenoid valve and through the external high-pressure air supply of first solenoid valve, the external second solenoid valve of second nozzle and through the external high-pressure air supply of second solenoid valve, the external third solenoid valve of third nozzle and through the external high-pressure air supply of third solenoid valve, above-mentioned first solenoid valve, the second solenoid valve, the third solenoid valve is connected with above-mentioned controller electricity respectively, discharging device (8) are equipped with first discharging channel of mutual partition, second discharging channel and third discharging channel, be equipped with a plurality of vertical settings and with the opening of multilayer structure's glass dish one-to-one, this opening is towards the first nozzle of nozzle assembly and is received the work piece that the first nozzle blown down, be equipped with a plurality of vertical settings and with the opening of multilayer glass dish one-to-one, this opening is towards the second nozzle of nozzle assembly and is received the work piece that the second nozzle was blown down, be equipped with a plurality of vertical settings and with the corresponding opening of multilayer glass dish one-to-one on the third discharging channel, the third discharging channel is equipped with a plurality of vertical settings and the corresponding opening of the third discharging channel and the corresponding outlet of the third nozzle 81 and the work piece that the corresponding nozzle is blown down on the multilayer dish is blown down on the first discharging channel.
5. The multiple glass disc image screening machine according to claim 1, wherein: the motor is a servo motor.
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