CN219052124U - Streamlines for defect detection - Google Patents

Abstract

The utility model discloses a streamline for defect detection, and belongs to the technical field of automatic detection. The streamline for defect detection comprises a workbench, wherein a conveying line, a detection device and a sorting device are arranged on the workbench, and the conveying line is used for conveying detection pieces; the detection device comprises two automatic optical detection modules, wherein the two automatic optical detection modules are used for sequentially detecting detection pieces positioned on the conveying line, and the detection precision of the second automatic optical detection module is higher than that of the first automatic optical detection module; the sorting device comprises a sorting transmission unit and a cache bin, wherein the cache bin is used for storing and conveying detection pieces, the conveying line and the sorting transmission unit can be mutually abutted and transferred to the detection pieces, and the sorting transmission unit and the cache bin can be mutually abutted and transferred to the detection pieces. The streamline for defect detection of the utility model simplifies the structure, reduces the occupied area and reduces the cost.

Description

Streamlines for defect detection

Technical Field

The utility model relates to the technical field of automatic detection, in particular to a streamline for defect detection.

Background

After the main boards of products such as watches, mobile phones and screens are welded, defect detection is needed to ensure the quality of the products. When the defect detection of the product is carried out by adopting a manual visual mode, the leakage rate is high; and the detection result depends on the understanding of personnel to a great extent, the personnel level is inconsistent, and the detection result is influenced. In the prior art, automatic detection device includes a plurality of stations in order to carry out different process operations, and the material transfer between the different stations adopts the manipulator to realize more, leads to the structure complicated, and area is big, and with high costs.

Disclosure of Invention

The utility model aims to provide a streamline for defect detection, which simplifies the structure, reduces the occupied area and reduces the cost.

To achieve the purpose, the utility model adopts the following technical scheme:

there is provided a streamline for defect detection, comprising a workbench provided with:

a conveying line for conveying the detecting member;

the detection device comprises two automatic optical detection modules, wherein the two automatic optical detection modules are used for sequentially detecting the detection pieces positioned on the conveying line, and the detection precision of the second automatic optical detection module is higher than that of the first automatic optical detection module;

sorting device, including letter sorting transmission unit and buffer storage feed bin, the buffer storage feed bin is used for storing and carries the detection spare, the transfer chain with letter sorting transmission unit can dock each other and forward the detection spare, letter sorting transmission unit with the buffer storage feed bin can dock each other and forward the detection spare.

In some possible embodiments, the automatic optical detection modules include a CCD camera and a lens, and the magnification of the lens of a first one of the automatic optical detection modules is lower than the magnification of the lens of a second one of the automatic optical detection modules.

In some possible embodiments, the automatic optical detection module includes a plurality of the CCD cameras, and the plurality of the CCD cameras are disposed at an angle so as to capture images of the detection member from a plurality of angles.

In some possible embodiments, the automatic optical detection module further comprises a motion platform, and the automatic optical detection module is connected to an output end of the motion platform.

In some possible embodiments, the conveying line is provided with two detection stations, the conveying line can sequentially convey the detection pieces to the two detection stations, and the two automatic optical detection modules are respectively used for detecting the detection pieces located at the two detection stations.

In some possible embodiments, the conveyor line includes a first conveyor belt assembly, the sorting conveyor unit includes a first elevator assembly and a second conveyor belt assembly connected to an output of the first elevator assembly, the first conveyor belt assembly is configured to convey the test pieces in a first direction, the second conveyor belt assembly is configured to convey the test pieces in a second direction, and the first elevator assembly is configured to enable a second belt on the second conveyor belt assembly to be flush with a first belt on the first conveyor belt assembly, such that the test pieces are positioned on the first conveyor belt assembly and the second conveyor belt assembly for transfer.

In some possible embodiments, the buffer bin includes a first bin body, a plurality of third conveyor belt assemblies and a second lifting assembly, the plurality of third conveyor belt assemblies are arranged in the first bin body along a third direction, the third conveyor belt assemblies are used for supporting and conveying the detection piece along a second direction, the first bin body is connected to the output end of the second lifting assembly, and the second lifting assembly can drive the first bin body to enable a third belt on any one of the third conveyor belt assemblies to be flush with a second belt on the second conveyor belt assembly, so that the detection piece is transferred between the third conveyor belt assembly and the second conveyor belt assembly.

In some possible embodiments, the sorting device further includes a defective bin and a pushing unit, where the pushing unit can push the detecting piece in the buffer bin into the defective bin.

In some possible embodiments, the buffer bin is disposed on two sides of the sorting and conveying unit and the defective bin along the second direction, the buffer bin is disposed on two sides of the buffer bin along the second direction, and one side of the defective bin, facing the buffer bin, is disposed with an opening.

In some possible embodiments, the device further comprises a code scanning gun, wherein the code scanning gun is arranged at the input end of the conveying line and is used for scanning the identification code on the detection piece.

The utility model has the beneficial effects that:

according to the streamline for defect detection, the detection pieces are conveyed through the conveying line, in the process, the two automatic optical detection modules can sequentially detect the detection pieces at two positions on the conveying line, and the qualified detection pieces and the detection pieces with bad risks after detection are split on the conveying line and the sorting device, so that the disorder of the qualified detection pieces and the detection pieces with bad risks is prevented. Two automatic optical detection modules can detect in proper order, increase the detection number of times, and then improved the detection effect. The transfer chain has realized detecting the position transfer of piece between two automatic optical detection modules and sorting device, can realize butt joint and transfer between transfer chain, letter sorting conveying unit and the buffering feed bin, and simple structure is compact, for using the manipulator to carry out the material transfer, greatly reduced structure complexity, reduced area and equipment cost.

Drawings

FIG. 1 is a schematic illustration of a flow line for defect detection provided by an embodiment of the present utility model;

FIG. 2 is a front view of streamlines for defect detection provided by an embodiment of the utility model;

FIG. 3 is a schematic diagram of a detection device according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of a portion of a conveyor line provided in accordance with an embodiment of the present utility model;

FIG. 5 is a front view of a conveyor line provided in an embodiment of the present utility model;

fig. 6 is a schematic view of a sorting conveyor unit provided in an embodiment of the utility model;

FIG. 7 is a schematic diagram of a cache silo provided in an embodiment of the utility model;

FIG. 8 is a schematic view of a reject bin provided by an embodiment of the utility model;

fig. 9 is a schematic diagram of a pushing unit according to an embodiment of the present utility model.

In the figure:

100. a work table;

200. a detection device; 201. a motion platform; 2011. a support frame; 2012. a first moving assembly; 2013. a second moving assembly; 2014. a third moving assembly; 2015. a mounting plate; 202. an automatic optical detection module; 2021. a CCD camera; 2022. a lens; 2023. a light source;

300. a conveying line; 301. a fixing frame; 302. a first conveyor belt assembly; 3021. a first driving pulley; 3022. a first driven pulley; 3023. a first belt; 303. a first motor; 304. a material blocking unit; 305. a detection sensor;

400. a sorting device; 401. sorting and conveying units; 4011. a first lifting assembly; 4012. a second conveyor belt assembly; 402. caching a storage bin; 4021. a first bin; 4022. a third conveyor belt assembly; 4023. a second lifting assembly; 4024. a driving mechanism; 4025. a rotary driving member; 4026. a drive gear; 4027. a driven gear; 4028. a transmission shaft; 403. defective product bin; 4031. a second bin; 4032. a support plate; 4033. a third lifting assembly; 404. a pushing unit; 4041. a mounting frame; 4042. a linear driving member; 4043. a pushing member;

500. a code scanning gun.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The present embodiment provides a streamline for defect detection, as shown in fig. 1-3, including a workbench 100, and a conveying line 300, a detection device 200 and a sorting device 400 are disposed on the workbench 100. Wherein the conveying line 300 is used for conveying the detecting member; the detection device 200 includes two automatic optical detection modules 202, where the two automatic optical detection modules 202 are used to sequentially detect detection pieces located on the conveying line 300, and the detection precision of the second automatic optical detection module 202 is higher than that of the first automatic optical detection module 202; the sorting apparatus 400 includes a sorting conveyor unit 401 and a buffer bin 402, the buffer bin 402 being configured to store and transport the test pieces, the conveyor line 300 and the sorting conveyor unit 401 being capable of interfacing with each other and transferring the test pieces, the sorting conveyor unit 401 and the buffer bin 402 being capable of interfacing with each other and transferring the test pieces.

The detection pieces are conveyed by the conveying line 300, in the process, the two automatic optical detection modules 202 can sequentially detect the detection pieces at two positions on the conveying line 300, and the detected qualified detection pieces and the detection pieces with bad risks are split on the conveying line 300 and the sorting device 400 so as to prevent the detection pieces with the qualified detection pieces and the detection pieces with bad risks from being disordered. The two automatic optical detection modules 202 can detect in sequence, so that the detection times are increased, and the detection effect is improved. The transfer chain 300 has realized detecting the position transfer of piece between two automatic optical detection module 202 and sorting device 400, can realize butt joint and transfer between transfer chain 300, letter sorting conveying unit and the buffer storage feed bin 402, and simple structure is compact, for using the manipulator to carry out the material transfer, greatly reduced structure complexity, reduced area and equipment cost.

The embodiment provides a detection device 200, two detection stations are arranged on a conveying line 300, the conveying line 300 can convey detection pieces and can convey the detection pieces to the two detection stations in sequence, the detection device 200 comprises two automatic optical detection modules 202, a first automatic optical detection module 202 is used for detecting the detection pieces located at the first detection station, a second automatic optical detection module 202 is used for detecting the detection pieces located at the second detection station, and the detection precision of the second automatic optical detection module 202 is higher than that of the first automatic optical detection module 202.

The detection performed by the detection device 200 includes, but is not limited to, the following detection methods: a detection method comprises the following steps: during detection, the detection piece flows in through the conveying line 300, first enters the first detection station, the first automatic optical detection module 202 detects, then the conveying line 300 conveys the detection piece to the second detection station, the second automatic optical detection module 202 detects, then the detection piece flows out through the conveying line 300, and whether the product is qualified or not is comprehensively judged through the two detection results, for example, the first condition is that: wherein, the primary detection result is qualified, and the detection part is judged to be qualified; the second case is: judging the detection piece as a qualified product if the two detection results are qualified; the third case is: the detection part comprises a plurality of detection points, the second detection is mainly used for detecting the detection points which are unqualified in the first detection, if all the detection points of the detection part are qualified, the detection part is judged to be qualified, and the detection times are increased, so that the detection effect is improved, the risk that the qualified product is misjudged to be a bad product is reduced, and the loss caused by the misjudgment is reduced.

Another detection method is as follows: during detection, the detection piece flows in through the conveying line 300 and enters a first detection station, the first automatic optical detection module 202 detects the detection piece to obtain a detection result, and if the detection result is qualified, the detection piece directly flows out through the conveying line 300 and does not pass through the second automatic optical detection module 202 for secondary detection; if the first automatic optical detection module 202 detects failure, the conveying line 300 directly conveys the detection piece to the second detection station, the second automatic optical detection module 202 carries out secondary detection, if the detection is qualified, if the detection is still unqualified, the detection is carried out for products with bad risks, the detection effect is improved, the risk that the qualified products are misjudged as bad products is reduced, and loss caused by the detection is reduced through secondary repeated judgment detection.

Because the detection accuracy of the second automatic optical detection module 202 is higher during the secondary re-judgment, more characteristics of the detection piece can be collected, and the detection effect is improved.

In one embodiment, as shown in fig. 3, the auto-optical detection module 202 includes a CCD camera 2021 and a lens 2022, and the magnification of the lens 2022 of the first auto-optical detection module 202 is lower than the magnification of the lens 2022 of the second auto-optical detection module 202. The detection part is photographed by the CCD camera 2021 to collect images, and then automatic determination can be realized by software calculation or the like, and the specific CCD camera 2021, the lens 2022, the software and the like are all in the prior art and are not described again.

The present embodiment is exemplified by taking the detecting member as a main board. The CCD camera 2021 detects the welding condition in the hole on the main board, specifically, the automatic optical detection module 202 further comprises a proper light source 2023, a proper angle of the lens 2022, and a combination of the lens 2022 and the lens body, so that the cleaning and photographing of the welding condition are realized, and the photographing definition problem is solved. In one embodiment, the automatic optical detection module 202 includes a plurality of CCD cameras 2021, where the plurality of CCD cameras 2021 are disposed at an included angle, so as to collect images of the detection member from a plurality of angles, thereby improving the detection effect. Specifically, three CCD cameras 2021 are provided, the CCD cameras 2021 located in the middle are disposed along a third direction, that is, a vertical direction, and the other two are disposed at two sides with an included angle, so that reference may be made to the prior art for how the three CCD cameras 2021 collect images, and the like, and no description is repeated. Specifically, the problem of the solder hole can be judged by software through the image acquired by the CCD camera 2021, and the bad types are realized: tin deposition, cold welding, blank welding or less tin, and the like, and related remediation can be carried out later.

In one embodiment, as shown in fig. 3, the detection apparatus 200 further includes a motion platform 201, and the automatic optical detection module 202 is connected to an output end of the motion platform 201. When the detecting piece has a plurality of detecting points, the moving platform 201 drives the automatic optical detecting module 202 to move according to the preset track, and sequentially detects the plurality of detecting points. In one embodiment, the automated optical inspection module 202 is coupled to the motion platform 201 via a mounting plate 2015. In one embodiment, the motion platform 201 includes a support 2011, a first moving assembly 2012 connected to the support 2011, and a second moving assembly 2013 connected to an output end of the first moving assembly 2012, the automatic optical detection module 202 is disposed at an output end of the second moving assembly 2013, the first moving assembly 2012 can drive the second moving assembly 2013 and the automatic optical detection module 202 to move along a first direction, the second moving assembly 2013 can drive the automatic optical detection module 202 to move along a second direction, and the first direction and the second direction form an included angle. The motion platform 201 can drive the automatic optical detection module 202 to move along the first direction and the second direction, so that the detection range is enlarged.

In an embodiment, the motion platform 201 further includes a third moving component 2014 connected to an output end of the second moving component 2013, where the first moving component 2012 and the second moving component 2013 can respectively drive the third moving component 2014 and the automatic optical detection module 202 to move along a first direction and a second direction, the automatic optical detection module 202 is connected to an output end of the third moving component 2014, and the third moving component 2014 can drive the automatic optical detection module 202 to move along a third direction, and the third direction is respectively set at an included angle with the first direction and the second direction, so that a distance between the lens 2022 and the detection piece can be adjusted, and the detection piece can also be suitable for detection pieces with different thicknesses, thereby further improving a detection effect.

The first moving assembly 2012, the second moving assembly 2013 and the third moving assembly 2014 can be specifically structures such as a linear module in the prior art, and will not be described herein.

In one embodiment, as shown in fig. 4, the conveying line 300 includes a fixing frame 301, a first conveying belt assembly 302 and a first motor 303, the first conveying belt assembly 302 includes a first driving pulley 3021, a first driven pulley 3022 and a first belt 3023, the first driving pulley 3021 and the first driven pulley 3022 are rotatably connected to the fixing frame 301, the first belt 3023 is wound around the first driving pulley 3021 and the first driven pulley 3022, the first motor 303 is used for driving the first driving pulley 3021 to rotate, and the first belt 3023 is used for supporting and conveying a detecting member. The detection member is conveyed by the first conveyor belt assembly 302, and the detection member conveying device is simple in structure, low in cost and good in reliability.

In one embodiment, as shown in fig. 5, the conveying line 300 further includes a blocking unit 304 and a detection sensor 305 communicatively connected to the blocking unit 304, where the detection sensor 305 is configured to detect a detection member on the first belt 3023, and the blocking unit 304 is configured to block the detection member on the first belt 3023 to form a detection station, or the blocking unit 304 is configured to release the detection member from the first belt 3023. When the detection sensor 305 detects the detection piece on the conveying line 300, a signal is sent to the industrial personal computer, the industrial personal computer controls the blocking unit 304 to block the detection piece, so that the detection piece is prevented from going forward continuously, and the automatic optical detection module 202 detects the detection piece blocked on the detection station; after the detection is finished, a signal is sent to the industrial personal computer, and the industrial personal computer controls the material blocking unit 304 to release the detection piece, so that the structure is simple and reliable. Specifically, the material blocking unit 304 includes an air cylinder and a stop block connected to an output end of the air cylinder, and a piston rod of the air cylinder extends or retracts to drive the stop block to move up and down so as to block or release the detection member. Specifically, the detection sensor 305 employs a photoelectric sensor. The communication connection among the specific cylinder, the photoelectric sensor and the industrial personal computer is in the prior art and is not repeated.

In particular, a detection sensor 305 and a blocking unit 304 may be provided before the first detection station, so as to form a waiting area. Specifically, a detection sensor 305 and a material blocking unit 304 may be further disposed between the first detection station and the second detection station to form a material waiting area.

In one embodiment, the two material blocking units 304 are arranged along the first direction, the two automatic optical detection modules 202 are arranged along the first direction, the conveying line 300 conveys the detection pieces along the first direction, and the structure of the conveying line 300 is simplified, so that the cost is reduced, the implementation difficulty is reduced, and the reliability is improved.

The present embodiment provides a sorting device 400, as shown in fig. 2, a conveying line 300 can convey a detecting member along a first direction, the sorting device 400 includes a sorting transmission unit 401 and a buffer bin 402, the conveying line 300 and the sorting transmission unit 401 can be mutually abutted and transfer the detecting member, the sorting transmission unit 401 can convey the detecting member along a second direction, and the first direction and the second direction form an included angle; the buffer bin 402 is used for storing and conveying the detecting members in the second direction, and the sorting and conveying unit 401 and the buffer bin 402 can be mutually abutted and transfer the detecting members.

The flow direction of the sensing member is divided into, but not limited to, the following forms: the first form is outflow in a first direction through the conveyor line 300; the second form is that the detection pieces are transferred through the conveying line 300 and the sorting and conveying unit 401, and the detection pieces are conveyed to the cache bin 402 along the second direction through the sorting and conveying unit 401; the third form is that the detection pieces are transferred through the buffer bin 402 and the sorting and conveying unit 401, the detection pieces are conveyed to the sorting and conveying unit 401 from the buffer bin 402, the sorting and conveying unit 401 is transferred to the conveying line 300, and the detection pieces flow out along the first direction through the conveying line 300. The first form is to directly flow out the qualified detection part along the first direction, the second form is to convey the bad risk detection part to the cache bin 402 for caching, the third form is to re-judge the bad detection part again in the cache bin 402, the qualified detection part continuously flows out through the conveying line 300, and the unqualified detection part continuously stays in the cache bin 402 to be uniformly processed.

The conveying line 300 and the buffer bin 402 are in butt joint through the sorting and conveying unit 401 and transfer the detection pieces, so that separation of the qualified detection pieces, the unqualified detection pieces and the bad risk detection pieces is realized, and product confusion is avoided; the structure is simple and reliable, the position transfer of the detection piece is avoided by using the manipulator, and the cost is reduced.

In one embodiment, as shown in fig. 4 and 6, the conveyor line 300 includes a first conveyor belt assembly 302, the sorting conveyor unit 401 includes a first lift assembly 4011 and a second conveyor belt assembly 4012 connected to an output end of the first lift assembly 4011, the first conveyor belt assembly 302 is configured to convey the test pieces in a first direction, the second conveyor belt assembly 4012 is configured to convey the test pieces in a second direction, and the first lift assembly 4011 is configured to drive the second belt on the second conveyor belt assembly 4012 flush with the first belt 3023 on the first conveyor belt assembly 302 such that the test pieces are positioned on the first conveyor belt assembly 302 and the second conveyor belt assembly 4012 for transfer. Specifically, when the first conveyor belt assembly 302 conveys the detecting member, the first lifting assembly 4011 drives the second conveyor belt assembly 4012 when reaching the preset position, the second belt is flush with the first belt 3023, the detecting member falls on the first belt 3023 and the second belt simultaneously, and then the second lifting assembly 4023 drives the second conveyor belt assembly 4012 again, so that the height of the second belt is higher than that of the first belt 3023, and the detecting member is transferred from the conveying line 300 to the sorting conveying unit 401. Alternatively, the first lifting assembly 4011 drives the second conveyor belt assembly 4012 such that the second belt is level with the first belt 3023, the test pieces again fall on both the first belt 3023 and the second belt, and then the first lifting assembly 4011 drives the second conveyor belt assembly 4012 such that the second belt is lower than the first belt 3023, effecting transfer of the test pieces from the sorting conveyor unit 401 to the conveyor line 300. The second conveyor assembly 4012 is similar to the first conveyor assembly 302 and will not be described again. The first lifting component 4011 can adopt a combination of an air cylinder or a motor and a screw-nut pair, and the like, and is only needed by referring to the prior art, and is not described again.

In one embodiment, as shown in fig. 6 and 7, the buffer bin 402 includes a first bin body 4021, a plurality of third conveyor belt assemblies 4022 and a second lifting assembly 4023, the plurality of third conveyor belt assemblies 4022 are arranged in the first bin body 4021 along a third direction, the third conveyor belt assemblies 4022 are used for supporting and conveying the detecting member along a second direction, the first bin body 4021 is connected to an output end of the second lifting assembly 4023, and the second lifting assembly 4023 can drive the first bin body 4021 to enable a third belt on any one of the third conveyor belt assemblies 4022 to be flush with a second belt on the second conveyor belt assembly 4012, so that the detecting member is transferred between the third conveyor belt assemblies 4022 and the second conveyor belt assemblies 4012. The second lifting assembly 4023 drives the first bin body 4021 to move to a preset height, so that a third belt on one of the third conveying belt assemblies 4022 in the first bin body 4021 is flush with a second belt on the second conveying belt assembly 4012, and the detection piece is transported towards one direction through the second belt and the third belt at the same time, so that position transfer of the detection piece between the cache bin 402 and the sorting and conveying unit 401 is realized. The third belt assembly 4022 has a similar structure to the first belt assembly 302, and will not be described again. The second lifting assembly 4023 may be in a combination of an air cylinder or a motor and a screw-nut pair, and will not be described in detail with reference to the prior art.

In one embodiment, as shown in fig. 7, the buffer bin 402 further includes a driving mechanism 4024, a rotary driving member 4025 connected to an output end of the driving mechanism 4024, a driving gear 4026 connected to an output end of the rotary driving member 4025, and a plurality of driven gears 4027 rotatably connected to the outside of the first bin body 4021 along a third direction, where the plurality of driven gears 4027 are in one-to-one correspondence with the plurality of third conveying belt assemblies 4022, the driven gears 4027 can drive the third conveying belt assemblies 4022 to convey, the second lifting assembly 4023 can drive the first bin body 4021 to enable any one of the driven gears 4027 to be located at a preset position, and the driving mechanism 4024 can drive the rotary driving member 4025 to enable the driving gear 4026 to be meshed with or separated from the driven gear 4027 located at the preset position. Firstly, the driving mechanism 4024 drives the rotary driving piece 4025 to separate the driving gear 4026 from the driven gear 4027, and then the second lifting assembly 4023 drives the first bin 4021 to adjust the position; the driving mechanism 4024 drives the rotary driving member 4025 to enable the driving gear 4026 to be meshed with the driven gear 4027 at the corresponding position, and the rotary driving member 4025 provides driving force for the third conveying belt assembly 4022 through the driving gear 4026 and the driven gear 4027 to enable the third conveying belt assembly 4022 to convey the detecting member. Because the driving gear 4026 can be meshed with any driven gear 4027, a plurality of third conveying belt assemblies 4022 can be conveyed through one rotary driving member 4025, the number of the rotary driving members 4025 is reduced, the structure is simplified, and the cost is reduced. Specifically, the driving mechanism 4024 may be an air cylinder, the rotation driving member 4025 may be a motor, the driving gear 4026 is connected to an output end of the motor, and the air cylinder drives the motor to move so as to disengage the driving gear 4026 from the driven gear 4027.

In one embodiment, as shown in fig. 7, a plurality of third conveyer belt assemblies 4022 are correspondingly provided on two sides of the first bin body 4021 along the first direction, and the two third conveyer belt assemblies 4022 correspondingly provided are simultaneously used for supporting and conveying the detecting member, so that reliability is improved. Further, the buffer bin 402 further includes a plurality of transmission shafts 4028, input ends of two third conveyer belt assemblies 4022 corresponding along the first direction are connected through the transmission shafts 4028, and two opposite third conveyer belt assemblies 4022 are driven by the transmission shafts 4028, so that two opposite third conveyer belt assemblies 4022 are driven simultaneously by one rotary driving member 4025, the number of the rotary driving members 4025 is reduced, the structure is simplified, and the cost is reduced.

In an embodiment, as shown in fig. 8 and 9, the sorting device 400 further includes a defective bin 403 and a pushing unit 404, where the pushing unit 404 can push the detecting piece in the buffer bin 402 into the defective bin 403, and when the risk defective detecting piece in the buffer bin 402 is confirmed to be defective, the detecting piece is pushed into the defective bin 403 by the pushing unit 404, so that defective separation is achieved, and confusion between the defective product and the qualified product and risk defective product is further avoided.

In one embodiment, the defective bin 403 includes a second bin body 4031, a plurality of support plates 4032, and a third lifting assembly 4033, where the plurality of support plates 4032 are arranged in the second bin body 4031 along a third direction, the support plates 4032 are used for supporting the detection pieces, the third lifting assembly 4033 can drive the second bin body 4031 to enable any support plate 4032 to be located at a preset position, and the pushing unit 404 can push the detection pieces in the buffer bin 402 onto the support plates 4032 located at the preset position. When one of the support plates 4032 in the second housing 4031 is flush with one of the third conveyer belt assemblies 4022 in the first housing 4021, the pushing unit 404 pushes the detecting element on the third conveyer belt assembly 4022 to the support plate 4032, so that the structure is simple and reliable.

In one embodiment, the buffer bin 402 is arranged on two sides of the sorting and conveying unit 401 and the defective bin 403 along the second direction, two sides of the buffer bin 402 along the second direction are provided with openings, one side of the defective bin 403, facing the buffer bin 402, is provided with openings, and is convenient to butt joint between the three, and the structure is compact, so that the occupied space is reduced.

In one embodiment, the pushing unit 404 includes a mounting frame 4041, a linear driving member 4042 disposed on the mounting frame 4041, and a pushing member 4043 connected to an output end of the linear driving member 4042, where the linear driving member 4042 can drive the pushing member 4043 to move along the second direction, so that the pushing member 4043 pushes the detecting member in the cache bin 402 into the defective bin 403, and the linear driving member 4042 may be an air cylinder.

In one embodiment, as shown in fig. 1 and 2, the table 100 is further provided with a code scanner 500, and before the first automatic optical inspection device 200 inspects the inspection piece, the code scanner 500 scans the inspection piece to inspect the inspection point on the inspection piece. The number and the positions of the detection points on different detection pieces are different, detection schemes of the different detection pieces are preset, and after the corresponding detection pieces are identified by the scanning codes, the corresponding detection schemes are called, so that the detection for the different detection pieces can be realized, and the applicability is improved.

In this embodiment, the first direction is the X direction, the second direction is the Y direction, the third direction is the Z direction, and the first direction, the second direction and the third direction are perpendicular to each other.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A streamline for defect detection, characterized by comprising a workbench (100), the workbench (100) being provided with:

a conveying line (300) for conveying the detecting member;

the detection device (200) comprises two automatic optical detection modules (202), wherein the two automatic optical detection modules (202) are used for sequentially detecting the detection pieces positioned on the conveying line (300), and the detection precision of the second automatic optical detection module (202) is higher than that of the first automatic optical detection module (202);

sorting device (400), including letter sorting transmission unit (401) and buffering feed bin (402), buffering feed bin (402) are used for storing and carrying the detection piece, transfer chain (300) with letter sorting transmission unit (401) can dock each other and transfer the detection piece, letter sorting transmission unit (401) with buffering feed bin (402) can dock each other and transfer the detection piece.

2. The flow line for defect detection according to claim 1, wherein the automated optical inspection module (202) comprises a CCD camera (2021) and a lens (2022), the magnification of the lens (2022) of a first of the automated optical inspection modules (202) being lower than the magnification of the lens (2022) of a second of the automated optical inspection modules (202).

3. The flow line for defect detection according to claim 2, wherein the automated optical inspection module (202) comprises a plurality of CCD cameras (2021), the plurality of CCD cameras (2021) being arranged at an angle to capture images of the inspection piece from a plurality of angles.

4. The flow line for defect detection according to claim 1, further comprising a motion stage (201), the automated optical inspection module (202) being connected to an output of the motion stage (201).

5. The flow line for defect detection according to claim 1, wherein two detection stations are provided on the conveying line (300), the conveying line (300) is capable of conveying the detection pieces to the two detection stations in sequence, and the two automatic optical detection modules (202) are respectively used for detecting the detection pieces located at the two detection stations.

6. The flow line for defect detection according to any one of claims 1-5, wherein the conveyor line (300) comprises a first conveyor belt assembly (302), the sorting conveyor unit (401) comprises a first lifting assembly (4011) and a second conveyor belt assembly (4012) connected to an output of the first lifting assembly (4011), the first conveyor belt assembly (302) is configured to convey the test piece in a first direction, the second conveyor belt assembly (4012) is configured to convey the test piece in a second direction, the first lifting assembly (4011) is configured to enable a second belt on the second conveyor belt assembly (4012) to be flush with a first belt (3023) on the first conveyor belt assembly (302) such that the test piece is positioned on the first conveyor belt assembly (302) and the second conveyor belt assembly (4012) for transfer.

7. The flow line for defect detection of claim 6, wherein the buffer bin (402) comprises a first bin body (4021), a plurality of third conveyor belt assemblies (4022) and a second lifting assembly (4023), the plurality of third conveyor belt assemblies (4022) are arranged in the first bin body (4021) along a third direction, the third conveyor belt assemblies (4022) are used for supporting and conveying the detecting member along the second direction, the first bin body (4021) is connected to an output end of the second lifting assembly (4023), and the second lifting assembly (4023) can drive the first bin body (4021) to enable a third belt on any one of the third conveyor belt assemblies (4022) to be flush with a second belt on the second conveyor belt assembly (4012) so that the detecting member is transferred between the third conveyor belt assemblies (4022) and the second conveyor belt assemblies (4012).

8. The flow line for defect detection according to any one of claims 1-5, characterized in that the sorting device (400) further comprises a reject bin (403) and a pushing unit (404), the pushing unit (404) being capable of pushing the detection piece in the buffer bin (402) into the reject bin (403).

9. The streamline for defect detection according to claim 8, wherein the buffer bin (402) is disposed at two sides of the sorting transmission unit (401) and the defective bin (403) along a second direction, two sides of the buffer bin (402) along the second direction are provided with openings, and one side of the defective bin (403) facing the buffer bin (402) is provided with openings.

10. The flowline for defect detection according to any one of claims 1-5, further comprising a code scanner (500), the code scanner (500) being provided at an input end of the conveyor line (300), the code scanner (500) being adapted to scan an identification code on the detection member.

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