CN113953184A - Multilayer glass dish image sieve separator - Google Patents
Multilayer glass dish image sieve separator Download PDFInfo
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- CN113953184A CN113953184A CN202111330660.2A CN202111330660A CN113953184A CN 113953184 A CN113953184 A CN 113953184A CN 202111330660 A CN202111330660 A CN 202111330660A CN 113953184 A CN113953184 A CN 113953184A
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- 239000011521 glass Substances 0.000 title claims abstract description 239
- 238000007599 discharging Methods 0.000 claims abstract description 56
- 238000012216 screening Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000006698 induction Effects 0.000 claims abstract description 28
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims description 38
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 47
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002365 multiple layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- B07C5/363—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 multilayer 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, an arraying machine and a conveying track, the screening unit comprises multilayer glass discs with a multilayer structure and coaxial, the detection unit comprises a plurality of image devices corresponding to the multilayer glass discs, and the separation unit comprises an air blowing device and a discharging device, wherein the image devices comprise a camera, a backlight plate and an induction sensor.
Description
Technical Field
The invention relates to the technical field of workpiece screening, in particular to a multilayer glass disc image screening machine which is small in occupied space, high in detection efficiency and low in hardware cost.
Background
The glass disc image screening machine automatically conveys the aligned workpieces to a high-light-transmission glass rotary disc, acquires the images of the workpieces by using a CCD high-precision camera, and uploading to a computer for image digital processing, extracting various characteristics such as area, shape, quantity and size on the workpiece image, comparing and identifying according to preset reference target parameters to obtain whether the parameters of the detected target are qualified or not and making corresponding judgment so as to automatically separate qualified products from unqualified products and meet the requirement of full-automatic high-precision detection of mass workpieces, because the glass disk image screening machines in the current market are all in a single structure or a plurality of simple combined structures, the efficiency of the screening machine is lower, the unit power consumption is larger, if a plurality of devices are adopted to improve the detection efficiency, the defects of large occupied area of the devices, energy consumption and hardware investment exist.
Disclosure of Invention
The invention mainly solves the existing technical problems; the multi-layer glass disc 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 detecting the size of a workpiece and comprises a screening machine body, a first glass disc, a second glass disc, a third glass disc, a fourth glass disc, a fifth glass disc, a sixth glass disc, a fifth glass disc, a sixth glass disc, a fifth glass disc, a sixth glass disc, a fifth glass disc, a sixth glass disc, a fifth glass disc, a sixth glass disc, a fifth glass disc, a sixth glass disc, a fifth glass disc, a sixth glass, a fifth glass, a sixth glass disc, a fifth glass disc, a
The method comprises 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 workpieces onto the glass discs with the multilayer structure and comprises a storage bin, an alignment machine corresponding to a feed opening of the storage bin and a plurality of conveying rails connected with the outlet end of the alignment machine, wherein the plurality of conveying rails correspond to the glass discs with the multilayer structure one by one;
the screening unit comprises a multi-layer structure glass disc arranged on the main rack, the glass disc is a high light transmission glass disc, the multi-layer structure glass disc is coaxial and is driven by the same motor, an annular workpiece placing area is arranged on the upper surface of the glass disc, and outlets of the plurality of conveying tracks respectively correspond to the workpiece placing area of the glass disc and send a workpiece to be detected into the workpiece placing area;
the detection unit is used for acquiring a workpiece image 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 outputting the detected workpieces in a classified manner, is positioned behind 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 is analyzed to form quality parameters of the workpiece, and the quality parameters are classified into qualified or unqualified quality parameters or rechecked quality parameters;
the glass disc with the multilayer structure is designed and driven by the same motor, the detection devices with more loops are accommodated under the same floor area, the detection efficiency is improved in multiples, the glass disc with the multilayer structure shares the same driving mechanism, the energy consumption is effectively reduced, the manufacturing cost and the use cost are reduced, and the equipment space is fully utilized.
Preferably, the detection unit comprises a plurality of imaging devices which have the same 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 placing 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 so on, the Nth imaging device corresponds to the lowermost glass disc, the imaging devices comprise an imaging support, a camera, a backlight plate and an induction sensor, the camera, the backlight plate and the induction sensor are arranged on the imaging support and can be adjusted in position, the imaging devices are distributed at intervals, the mutual interference cannot be caused during detection, the image precision is high, and the adjustment of the camera or the backlight plate is facilitated.
Preferably, the image support is fixedly arranged on the main frame, the camera is positioned above the corresponding glass disc, a lens of the camera is aligned with the surface of the workpiece placing 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 is positioned above the workpiece placing area of the glass disc, and the camera and the backlight plate are respectively arranged at the upper side and the lower side of the workpiece placing 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 placing area of the upper glass plate of the multi-layer structure glass plate is larger than that of the workpiece placing area of the lower glass plate, the detection unit comprises a plurality of imaging devices which have the same structure and correspond to the glass plates of the multi-layer structure one by one, the plurality of imaging devices are distributed at intervals along the rotation direction of the glass plates and respectively correspond to the workpiece placing areas of the corresponding glass plates and form a plurality of image detection stations, wherein a first imaging device corresponds to the uppermost glass plate, a second imaging device corresponds to the second glass plate, and so on, an Nth imaging device corresponds to the lowermost glass plate, the imaging devices comprise an image support, a camera and a backlight plate which are arranged on the image support and can adjust the positions, and induction sensors, the workpiece placing areas of different glass plates are designed to have different diameters, so that the projections of the workpiece placing areas are separated, the subsequent camera can conveniently acquire and process the image of the workpiece.
Preferably, the image bracket is fixed on the main frame, the camera is positioned above the uppermost glass plate and the lens of the camera is aligned with the surface of the corresponding glass plate workpiece placing area, the back light plate is arranged below the corresponding glass plate and corresponds to the camera, a light shield matched with the back light plate in size is arranged on the back light 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 is arranged above the workpiece placing area of the glass plate, the camera of the image device can be arranged in a wider space above the uppermost glass plate by utilizing the high light transmission of the glass plate, and insert thinner board in a poor light below the glass dish, reduced the interval between the multilayer structure glass dish, both guaranteed that the work piece image data in every layer of glass dish work piece place the region is clear complete, also reduced the space height of equipment.
Preferably, the diameter of the workpiece placing area of the upper glass plate of the multi-layer structure glass plate is larger than that of the workpiece placing area of the lower glass plate, the imaging device comprises an image support, a camera and a backlight plate which are arranged on the image support and can adjust positions, and a plurality of induction sensors, the induction sensors are in one-to-one correspondence with the workpiece placing areas of the multi-layer structure glass plate, the camera is positioned above the uppermost glass plate, the backlight plate is positioned below the lowermost glass plate, the induction sensors are positioned in front of the camera and are arranged above the workpiece placing areas of the corresponding glass plates, the multi-layer structure glass plate adopts one set of camera and backlight plate, and the high light transmittance of the glass plate and the triggering of the induction sensors are utilized to enable a single camera to carry out image acquisition on the workpieces in the different workpiece placing areas of the glass plates, the space between the glass plates with the multilayer structure is reduced, the space height of the equipment 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 are of the same structure and correspond to the glass discs of the multilayer structure one by one, the nozzle assemblies are located on the inner sides of the workpiece placing areas of the corresponding glass discs and face the workpiece placing areas, the discharging device is located on 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 used for respectively carrying out classified collection on the detected workpieces on the glass discs according to quality parameters, the structure is simple, and the classification is accurate and rapid.
Preferably, the nozzle assembly comprises a first nozzle, a second nozzle and a third nozzle which are sequentially distributed along the rotation direction of the glass disc, the first nozzle is externally connected with a first electromagnetic valve and is externally connected with a high-pressure air source through a 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 a 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 a 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, the first discharging channel is provided with a plurality of vertically arranged openings which are in one-to-one correspondence with the glass discs in a multilayer structure, the openings face the first nozzle of the nozzle assembly and receive the workpiece blown down by the first nozzle, the second discharging channel is provided with a plurality of vertically arranged openings which are in one-to-one correspondence with the glass discs in a multilayer structure, this opening is towards the second nozzle of nozzle subassembly and receives the work piece that the second nozzle blown off, be equipped with a plurality of vertical settings on the third discharging channel and with the opening of multilayer glass dish one-to-one, this opening is towards the third nozzle of nozzle subassembly and receives the work piece that the third nozzle blown off, above-mentioned first discharging channel, the export of second discharging channel and third discharging channel is external corresponding categorised work piece case respectively, the controller is according to the quality parameter of work piece, the high-pressure gas of a plurality of nozzles of corresponding glass dish is controlled through the solenoid valve in the corresponding nozzle subassembly, blow off the work piece of different quality parameters and send into different discharging channel, in order to reach the classification and the collection of work piece, the work piece on the different glass dishes can be collected and gather to categorised work piece case to a plurality of vertical open-ended discharging channel, accomplish the quality detection of work piece.
Preferably, the workpiece placing area is of an annular groove structure, the section of the annular groove is V-shaped, U-shaped or semicircular, and strip-shaped workpieces or circular workpieces can be stably placed in the workpiece groove.
Preferably, the motor is a servo motor, the glass disc is driven to rotate by the servo motor, and the accuracy of the rotation angle of the glass disc and the accuracy of workpiece image control are guaranteed.
The invention has the beneficial effects that: the glass disc with the multilayer structure is designed and driven by the same motor, the detection devices with more loops are accommodated under the same floor area, the detection efficiency is improved in multiples, the glass disc with the multilayer structure shares the same driving mechanism, the energy consumption is effectively reduced, the manufacturing cost and the use cost are reduced, and the equipment space is fully utilized.
Drawings
FIG. 1 is a schematic diagram of an embodiment 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 alignment machine, 4, a conveying track, 5, a glass disc with a multilayer structure, 51, a workpiece placing 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 classify a workpiece box.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: the multiple-layer glass plate image screening machine of the embodiment 1 is used for detecting workpieces, as shown in FIG. 1
And as shown in fig. 2, the screening machine comprises:
the main frame 1 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 workpieces to the glass discs and comprises a storage bin 2, an alignment machine 3 corresponding to a feed opening of the storage bin and a plurality of conveying rails (4) connected with the outlet end of the alignment machine, wherein the plurality of conveying rails correspond to the glass discs in a multilayer structure one by one;
the screening unit comprises a multi-layer structure glass disc 5 arranged on the main frame, the glass disc is a high light transmission glass disc, the multi-layer structure glass disc is coaxial and is driven by the same motor, the motor is a servo motor, the upper surface of the glass disc is provided with a workpiece placing area 51 with an annular groove structure, the section of the annular groove is V-shaped, and the outlets of the plurality of conveying tracks respectively correspond to the workpiece placing area of the glass disc and send a workpiece to be detected into the workpiece placing area;
the detection unit is used for acquiring a workpiece image and comprises an imaging device 6, wherein the imaging device comprises a camera, a backlight plate and an induction sensor;
the separation unit is used for outputting the detected workpieces in a classified manner, is positioned behind the detection unit and corresponds to the glass disc, and comprises an air blowing device 7 and a discharging device 8, 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 is analyzed to form quality parameters of the workpiece, the quality parameters are classified into qualified or unqualified or rechecked, and the controller is provided with a display screen and can display various parameters such as image data, quality parameters of the workpiece, the number of classified workpieces and the like in real time;
the multi-layer structure glass plate of the screening unit of this embodiment 1 is designed in two-layer structure, the detecting unit includes two imaging devices having the same structure and corresponding to the two-layer structure glass plate, the two imaging devices are distributed at intervals along the rotation direction of the glass plate, wherein the first imaging device corresponds to the upper layer glass plate and forms an upper image detecting station, the second imaging device corresponds to the lower layer glass plate and forms a lower image detecting station, wherein the first imaging device includes an image bracket 61, a camera 62 and a backlight plate 63 which are arranged on the image bracket and can adjust the position, and an induction sensor 64, the image bracket is fixed on the main frame, the camera is arranged above the upper layer glass plate, the lens of the camera is aligned with the surface of the workpiece placing area of the upper layer glass plate, the backlight plate is arranged below the upper layer glass plate and corresponds to the camera, the induction sensor is arranged in front of the camera and above the workpiece placing area of the upper layer glass plate, the camera and the backlight plate of the second imaging device are respectively arranged at the upper side and the lower side of the lower layer glass plate and correspond to the workpiece placing area of the lower layer glass plate, and the induction sensor of the second imaging device is positioned in front of the camera and is arranged above the workpiece placing area of the lower layer glass plate; the blowing device comprises two nozzle assemblies with the same structure, wherein the nozzle assemblies corresponding to the upper glass plate are arranged on 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 on the inner side of the workpiece placing area of the lower glass plate and face the workpiece placing area, the nozzle assemblies respectively comprise a first nozzle 71, a second nozzle 72 and a third nozzle 73 which are sequentially distributed along the rotating direction of the glass plate, the first nozzle is externally connected with a first electromagnetic valve and 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 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 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 controlled by the controller, the discharging device 8 is provided with a first discharging channel, a second discharging channel, a third discharging channel and a third discharging channel are mutually separated discharging channel are arranged on the discharging channel, and a third discharging channel is arranged on the third discharging channel, and a third discharging channel is arranged on the third discharging channel, the third discharging channel is arranged on the third discharging channel, and the third discharging channel, the third discharging channel is arranged on the third discharging channel, the third discharging channel is arranged on the third discharging channel, the third nozzle is arranged on the third nozzle, and the third nozzle, the third nozzle is arranged on the third nozzle, and the third nozzle, the third nozzle is arranged on the third nozzle, the third nozzle is arranged on the third nozzle, and the third nozzle, the third nozzle is arranged on the third nozzle, and the third nozzle is arranged on the third nozzle, and the third nozzle, the third nozzle is arranged on the third nozzle, the third nozzle is arranged on the third nozzle is arranged, and the third nozzle, the third nozzle is arranged, the third, A second discharging channel and a third discharging channel, wherein the first discharging channel is provided with two openings which are vertically arranged and correspond to the upper glass disc and the lower glass disc one by one, the openings face to the first nozzle of the nozzle assembly and receive the workpiece blown off by the first nozzle, the second discharging channel is provided with two openings which are vertically arranged and correspond to the upper glass disc and the lower glass disc one by one, the openings face to the second nozzle of the nozzle assembly and receive the workpiece blown off by the second nozzle, the third discharging channel is provided with two openings which are vertically arranged and correspond to the upper glass disc and the lower glass disc one by one, the openings face to the third nozzle of the nozzle assembly and receive the workpiece blown off by the third nozzle, 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 81, wherein the first discharging channel is defined as a qualified product channel, the second discharge channel is defined as a defective product channel, and the third discharge channel is defined as a re-inspection product channel.
When the device is used, the storage bin feeds materials to the arraying machine at regular time, the arraying machine is provided with two outlets, workpieces to be detected are conveyed to two conveying rails at a constant speed after being subjected to vibration feeding by the arraying machine and then are conveyed to a workpiece placing area on the double-layer glass disc in an orderly manner, at the moment, the double-layer glass disc rotates under the driving of the servo motor, the workpieces to be detected move at intervals in the workpiece placing areas of the upper-layer glass disc and the lower-layer glass disc, the spacing distance between the workpieces can be correspondingly adjusted by adjusting the speed of the conveying rails or the speed of the glass discs, when the workpieces which are arranged to move forwards reach the position of the induction sensor of the corresponding detection unit, the induction sensor detects the workpieces and sends position signals of the workpieces to the controller, the controller combines the speed of the glass discs and the speed of the conveying rails, and triggers the camera to take pictures when the workpieces reach the corresponding image detection stations after the time or the interval is determined, the camera sends the image of the workpiece into the controller to be analyzed with the reference image parameters, so that the quality parameters of the workpiece are obtained, finally, when the workpiece continues to move to the separation unit, the controller controls the corresponding electromagnetic valves in the nozzle assemblies according to the quality parameters of the workpiece, high-pressure gas is blown out through the corresponding nozzles, the workpiece is blown to move the workpiece placement area and falls into the corresponding discharge channel, the quality screening and separation of the workpiece are completed, and the like, the workpieces in the upper-layer glass plate workpiece placement area and the lower-layer glass plate workpiece placement area can be continuously detected and separated, and the quality screening of the workpieces in large batch and rapid and accurate mode is achieved.
Example 2: the multilayer glass disk image screening machine of embodiment 2 includes a main frame, a feeding unit, a screening unit, a detecting unit, a separating unit and a controller, wherein the screening unit includes a glass disk with a double-layer structure, wherein a workpiece placing area diameter of an upper glass disk is larger than a workpiece placing area diameter of a lower glass disk, the detecting unit includes two imaging devices with the same structure and corresponding to the glass disks with the double-layer structure one by one, the two imaging devices are distributed at intervals along a rotation direction of the glass disks and respectively correspond to the workpiece placing areas of the corresponding glass disks and form two image detecting stations, wherein a first imaging device corresponds to the uppermost glass disk, a second imaging device corresponds to the second glass disk, a camera of the upper imaging device is located above the upper glass disk, a lens of the camera is aligned to a surface of the workpiece placing area of the upper glass disk, a backlight plate of the upper imaging device is located below the upper glass disk and corresponds to the camera, the backlight plate is provided with a light shield matched with the size of the backlight plate, the upper edge of the light shield extends to the bottom surface of the glass disc, an induction sensor of an upper-layer image device is positioned in front of the camera and is arranged above a workpiece placing area of the upper-layer glass disc, a camera of a lower-layer image device is positioned above the upper-layer glass disc, a lens of the camera is aligned with the surface of the workpiece placing area of the lower-layer glass disc, a backlight plate of the lower-layer image device is positioned below the lower-layer glass disc and corresponds to the camera, the backlight plate is provided with the light shield matched with the size of the backlight plate, the upper edge of the light shield extends to the bottom surface of the lower-layer glass disc to prevent light of the backlight plate from mutual interference, the induction sensor of the lower-layer image device is positioned in front of the camera and is arranged above the workpiece placing area of the lower-layer glass disc, and the cameras of the two image devices are arranged at an open space above the upper-layer glass disc, and the thinner backlight plate is inserted into the lower part of the corresponding glass disc, so that the clear and complete image of the workpiece obtained on each layer of glass disc is ensured, the inter-disc distance between the glass discs with the multi-layer structure is reduced, the space height of the equipment is reduced, other parts of the second embodiment are similar to the corresponding parts of the first embodiment, and the description is omitted.
Example 3: the multilayer glass disk image screening machine of embodiment 3 includes a main frame, a feeding unit, a screening unit, a detecting unit, a separating unit and a controller, wherein the screening unit includes a glass disk with a double-layer structure, wherein the diameter of the workpiece placing area of the upper glass disk is larger than that of the lower glass disk, the imaging device includes an image support, a camera and a backlight plate which are arranged on the image support and can adjust positions, and two sensing sensors, the two sensing sensors correspond to the workpiece placing areas of the glass disk with the double-layer structure one by one, the camera is arranged above the upper glass disk, the backlight plate is arranged below the lower glass disk, one of the sensing sensors is arranged in front of the camera and above the upper glass disk and corresponds to the workpiece placing area of the upper glass disk, the other sensing sensor is arranged in front of the camera and above the lower glass disk and corresponds to the workpiece placing area of the lower glass disk, the multilayer structure glass dish of sieve separator of this embodiment 3 shares one set of camera and board in a poor light, utilize the high light transmissivity of glass dish and a plurality of inductive transducer's detection trigger control, make single camera carry out image acquisition to the work piece placing region interior work piece of different diameters on a plurality of glass dishes simultaneously, both reduced the interval between the multilayer structure glass dish, reduced the space height of equipment, also effectively reduced manufacturing cost and use cost, other parts of this embodiment three are similar with embodiment one and embodiment two's corresponding part, no longer repeated here.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "lateral", "inner", "outer", etc. indicate the direction or positional relationship based on the directions or positional relationships shown in the drawings, which are only for convenience of description and understanding of the technical solutions of the present invention, and the above description is not intended to limit the present invention, and the present invention is not limited to the examples described above, and changes, modifications, additions or substitutions made by those skilled in the art within the spirit and scope of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. A multiple layer glass disk image screening machine for inspection of a workpiece, the machine comprising:
the main frame (1) 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 workpieces onto the glass plates with the multilayer structure and comprises a storage bin (2), an alignment machine (3) corresponding to a feed opening of the storage bin and a plurality of conveying rails (4) connected with the outlet end of the alignment machine, wherein the plurality of conveying rails correspond to the glass plates with the multilayer structure one by one;
the screening unit comprises a multi-layer structure glass disc (5) arranged on the main rack, the glass disc is a high-light-transmittance glass disc, the multi-layer structure glass disc is coaxial and is driven by the same motor, an annular workpiece placing area (51) is arranged on the upper surface of the glass disc, and outlets of the plurality of conveying tracks respectively correspond to the workpiece placing areas of the glass disc and send workpieces to be detected into the workpiece placing areas;
the detection unit is used for acquiring a workpiece image and comprises an imaging device (6), wherein the imaging device comprises a camera, a backlight plate and an induction sensor;
the separation unit is used for outputting the detected workpieces in a classified manner, is positioned behind the detection unit and corresponds to the glass disc, and comprises an air blowing device (7) and a discharging device (8), wherein the air blowing device is externally connected with a high-pressure air source;
and the controller is used for controlling the feeding unit, the screening unit, the detection unit and the separation unit, wherein the workpiece image data acquired by the detection unit is analyzed to form quality parameters of the workpiece, and the quality parameters comprise pass or fail or re-inspection.
2. The multiple layer glass disk image screening machine of claim 1, wherein: the detection unit comprises a plurality of image devices (6) which have the same structure and are in one-to-one correspondence with the glass discs (5) of the multilayer structure, the image devices are distributed at intervals along the rotation direction of the glass discs and respectively correspond to workpiece placement areas (51) of the corresponding glass discs and form a plurality of image detection stations, wherein a first image device corresponds to the uppermost glass disc, a second image device corresponds to the second glass disc, and so on, an Nth image device corresponds to the lowermost glass disc, and each image device comprises an image support (61), a camera (62) and a backlight plate (63) which are arranged on the image support and can adjust positions, and an induction sensor (64).
3. The multiple layer glass disk image screening machine of claim 2, wherein: the image bracket (61) is fixedly arranged on the main frame (1), the camera (62) is positioned above the corresponding glass disc, the lens of the camera is aligned with the surface of the workpiece placing area of the glass disc, the backlight plate (63) is positioned below the glass disc and corresponds to the camera, and the induction sensor (64) is positioned in front of the camera and is positioned above the workpiece placing area (51) of the glass disc.
4. The multiple layer glass disk image screening machine of claim 1, wherein: the glass plate comprises a glass plate body, a detection unit and an image device, wherein the diameter of an upper-layer glass plate workpiece placing area of the glass plate body with the multilayer structure (5) is larger than that of a lower-layer glass plate workpiece placing area, the detection unit comprises a plurality of image devices (6) which are identical in structure and correspond to the glass plate body with the multilayer structure one by one, the plurality of image devices are distributed at intervals along the rotation direction of the glass plate body and correspond to the workpiece placing areas (51) of the corresponding glass plate body respectively and 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-layer glass plate body, and the rest can be analogized, the Nth image device corresponds to the lowermost glass plate body, and each image device comprises an image support (61), a camera (62) and a backlight plate (63) which are arranged on the image support and can be adjusted in position, and an induction sensor (64).
5. The multiple layer glass disk image screening machine of claim 4, wherein: the image support (61) is fixedly arranged on the main frame (1), the camera (62) is positioned above the uppermost glass plate, the lens of the camera is aligned with the surface of the corresponding glass plate workpiece placing area, the backlight plate (63) is positioned below the corresponding glass plate and corresponds to the camera, a light shield 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, and the induction sensor (64) is positioned in front of the camera and is arranged above the glass plate workpiece placing area.
6. The multiple layer glass disk image screening machine of claim 1, wherein: the utility model discloses a glass dish of multilayer structure's glass dish (5) upper glass dish work piece is placed regional diameter and is greater than the diameter that lower floor's glass dish work piece was placed the region, image device includes image support (61), places on the image support and adjustable position's camera (62) and backlight (63) and a plurality of induction sensor (64), a plurality of induction sensor place regional one-to-one with multilayer structure's glass dish's work piece, and above-mentioned camera is located the glass dish top of superiors, and above-mentioned backlight is located the glass dish below of lower floor, and above-mentioned induction sensor is located the place ahead of this camera and places regional top in corresponding glass dish's work piece.
7. The multiple layer glass disk image screening machine of claim 1, wherein: the blowing device (7) comprises a plurality of nozzle assemblies which have the same structure and are in one-to-one correspondence with the glass discs (5) of the multilayer structure, the nozzle assemblies are positioned on the inner sides of the workpiece placing areas of the corresponding glass discs and face the workpiece placing areas, and the discharging device (8) is positioned on the outer sides of the glass discs of the multilayer structure and corresponds to the nozzle assemblies.
8. The multiple layer glass disk image screening machine of claim 7, wherein: the nozzle assembly comprises a first nozzle (71), a second nozzle (72) and a third nozzle (73) which are sequentially distributed along the rotation direction of the glass disc, the first nozzle is externally connected with a first electromagnetic valve and externally connected with a high-pressure air source through a first electromagnetic valve, the second nozzle is externally connected with a second electromagnetic valve and externally connected with a high-pressure air source through a second electromagnetic valve, the third nozzle is externally connected with a third electromagnetic valve and externally connected with a high-pressure air source through a 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 (8) is provided with a first discharging channel, a second discharging channel and a third discharging channel which are mutually separated, the first discharging channel is provided with a plurality of vertically arranged openings which are in one-to-one correspondence with the glass disc with a multilayer structure, the openings face the first nozzle of the nozzle assembly and receive workpieces blown off by the first nozzle, the second discharging channel is provided with a plurality of vertically arranged openings which are in one-to-one correspondence with the multilayer glass disc, the opening faces the second nozzle of the nozzle assembly and receives workpieces blown off by the second nozzle, a plurality of vertically arranged openings which correspond to the multiple layers of glass discs one to one are formed in the third discharging channel, the opening faces the third nozzle of the nozzle assembly and receives the workpieces blown off by the third nozzle, and outlets of the first discharging channel, the second discharging channel and the third discharging channel are respectively externally connected with corresponding classification workpiece boxes (81).
9. The multiple layer glass disk image screening machine of claim 1, wherein: the workpiece placing area (51) is of an annular groove structure, and the section of the annular groove is V-shaped, U-shaped or semicircular.
10. The multiple layer glass disk image screening machine of claim 1, wherein: the motor is a servo motor.
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