CN108745949B

CN108745949B - Image detection apparatus

Info

Publication number: CN108745949B
Application number: CN201810834594.4A
Authority: CN
Inventors: 宋明岑; 张明红; 朱虹; 邓及翔
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2018-07-26
Filing date: 2018-07-26
Publication date: 2024-02-27
Anticipated expiration: 2038-07-26
Also published as: CN108745949A

Abstract

The present invention provides an image detection apparatus including: a transfer table for placing a workpiece for which image information is to be acquired; the image acquisition system is used for acquiring image information of the workpiece on the transfer table; and the material recycling structure is used for recycling the workpiece after the image information is acquired by the image acquisition system. The image detection equipment solves the problem of lower automation degree of image detection in the prior art.

Description

Image detection apparatus

Technical Field

The present invention relates to the field of image detection, and in particular, to an image detection apparatus.

Background

In the prior art, in order to ensure that the quality of the screw meets the requirement, the screw needs to be subjected to size detection to determine whether a cross groove, a hexagonal groove and a straight groove have blocking foreign matters or not and detect defects on the surface of the screw.

In the specific detection process, the prior art is to the screw detect many be artifical material loading, after accomplishing the detection, carry out artifical unloading, whole detection process is comparatively loaded down with trivial details, and efficiency is lower moreover, is unfavorable for detecting the screw in batches.

Disclosure of Invention

The invention mainly aims to provide an image detection device which is used for solving the problem of low degree of automation of image detection in the prior art.

In order to achieve the above object, the present invention provides an image detection apparatus comprising: a transfer table for placing a workpiece for which image information is to be acquired; the image acquisition system is used for acquiring image information of the workpiece on the transfer table; and the material recycling structure is used for recycling the workpiece after the image information is acquired by the image acquisition system.

Further, the transfer table is rotatably arranged, and drives the workpiece to move along a preset track, so that the workpiece reaches the material recovery structure after passing through the image acquisition system.

Further, the image acquisition system includes: the first light source module is arranged at intervals with the transfer table, and the light emitting surface of the first light source module faces to the workpiece; the first image acquisition module is arranged in the direction of the workpiece by a first image acquisition head of the first image acquisition module.

Further, the transfer table is made of a light-transmitting material.

Further, the image detection apparatus further includes a mounting platform, and the image acquisition system further includes: the transfer platform is arranged on the adapter seat, and the adapter seat is arranged on the mounting platform, so that the transfer platform is arranged on the mounting platform through the adapter seat.

Further, the transfer table is a first circular ring, the adapter is a second circular ring, and the projection of the inner hole wall of the first circular ring on the second circular ring is positioned in the middle of the second circular ring; the first light source module is arranged in the annular hole of the second circular ring.

Further, the image acquisition system further includes: the second image acquisition module is provided with a second image acquisition head facing the workpiece; the second light source module is arranged at intervals with the transfer table, and the light emitting surface of the second light source module faces to the workpiece; the first image acquisition head faces in a first image acquisition direction, the second image acquisition head faces in a second image acquisition direction, and an included angle between the first image acquisition direction and the second image acquisition direction is a right angle.

Further, the material recovery structure includes: the recovery platform is arranged at intervals with the transfer platform; and the discharging mechanism is arranged on the recovery platform, and an air passage is arranged on the discharging mechanism, and an air outlet of the air passage is arranged towards a preset recovery position, so that air exhausted from the air outlet acts on the workpiece to transfer the workpiece to the preset recovery position.

Further, the plurality of blanking mechanisms are arranged at intervals, the plurality of preset recovery positions are arranged in a plurality of groups, the plurality of blanking mechanisms are arranged in one-to-one correspondence with the plurality of preset recovery positions, the plurality of work pieces are arranged in a plurality of groups, the plurality of blanking mechanisms are arranged in one-to-one correspondence with the plurality of groups of work pieces, and each blanking mechanism is used for transferring a corresponding group of work pieces to the preset recovery positions corresponding to the blanking mechanisms.

Further, the plurality of discharging mechanisms includes a first discharging mechanism, the plurality of preset recovery positions includes a first preset recovery position corresponding to the first discharging mechanism, the first discharging mechanism is used for transferring the first group of workpieces to the first preset recovery position, and the first discharging mechanism includes: the stop part is arranged above the transfer table and is used for limiting contact with the first group of workpieces; the first gas passage is arranged on the stop part and is provided with a first gas outlet, and the first gas outlet is arranged towards a first preset recovery position, so that gas discharged from the first gas outlet acts on the first group of workpieces to transfer the first group of workpieces to the first preset recovery position.

Further, the plurality of feed mechanisms still include second feed mechanism, and second feed mechanism sets up with first feed mechanism interval, and a plurality of recovery positions of predetermineeing still include with the corresponding second recovery position of predetermineeing of second feed mechanism, and second feed mechanism is used for transferring the second group work piece to the second and predetermines recovery position, and second feed mechanism includes: a support part; the second air outlet of the second air passage is arranged towards the second preset recovery position, so that the gas exhausted from the second air outlet acts on the second group of workpieces to transfer the second group of workpieces to the second preset recovery position.

Further, the plurality of discharging mechanisms further comprise third discharging mechanisms, the third discharging mechanisms and the second discharging mechanisms are arranged at intervals, the plurality of preset recovery positions further comprise third preset recovery positions corresponding to the third discharging mechanisms, and the third discharging mechanisms are used for transferring the third group of workpieces to the third preset recovery positions.

Further, the image detection apparatus further includes: guide mechanism, along the direction of rotation of conveying platform, guide mechanism, image acquisition system and material recovery structure set gradually, guide mechanism includes: a first guide part; the second guide part is arranged at intervals, and a guide channel for a workpiece to pass through is arranged between the first guide part and the second guide part; the first guide part and the second guide part are rotatably arranged, so that a workpiece on the transfer table reaches a preset position where the image acquisition system acquires image information along the guide channel under the action of the first guide part and the second guide part.

Further, the first guiding portion is rotatably arranged along a first direction, and the second guiding portion is rotatably arranged along a second direction, wherein the first direction and the second direction are opposite to each other, so that after the workpiece enters the guiding channel, the first guiding portion and the second guiding portion provide thrust in the same direction for the workpiece, and the workpiece is pushed to reach a preset position along the guiding channel.

Further, the guide mechanism further includes: the first driving assembly is in driving connection with the first guide part so as to drive the first guide part to rotate along a first direction; the second driving assembly is arranged at intervals and is in driving connection with the second guide part so as to drive the second guide part to rotate along a second direction; the first direction and the second direction are opposite to each other, so that after the workpiece enters the guide channel, the first guide part and the second guide part provide thrust in the same direction for the workpiece, and the workpiece is pushed to reach a preset position along the guide channel.

The image detection equipment can collect the image information of the workpiece on the transfer table through the image collection system and the material recovery structure, and recover the workpiece with the image information collected by the image collection system. In a specific operation process, the image acquisition system acquires image information of the workpiece on the transfer table, and then the material recovery structure is used for recovering the workpiece of which the image information is acquired by the image acquisition system, so that the whole operation process is completed. The image detection equipment can collect the image information of the workpiece on the transfer table through the image collection system and the material recovery structure, and recover the workpiece with the image information collected by the image collection system, so that the problem of lower degree of automation of image detection in the prior art is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 shows a schematic structural view of a first view angle of an embodiment of an image detection device according to the present invention;

fig. 2 shows a schematic structural view of a second view angle of an embodiment of an image detection device according to the present invention;

fig. 3 shows a schematic structural view of a third view angle of an embodiment of an image detection device according to the present invention;

fig. 4 shows a schematic structural view of a fourth view angle of an embodiment of an image detection device according to the present invention;

fig. 5 shows a schematic structural view of a first view of a material recycling structure of an image detecting apparatus according to the present invention;

fig. 6 shows a schematic structural view of a second view of the material recovery structure of the image sensing apparatus according to the present invention;

fig. 7 is a schematic view showing a partial structure of a first blanking mechanism of the image detecting apparatus according to the present invention;

fig. 8 shows a schematic structural view of a guide mechanism of the image detection apparatus according to the present invention.

Wherein the above figures include the following reference numerals:

10. a first guide part; 20. a second guide part; 30. a pilot channel; 40. a first drive assembly; 41. a first drive wheel; 42. a driving motor; 50. a second drive assembly; 51. a second drive wheel; 60. a transmission belt; 70. a mounting part; 80. a mounting frame;

90. a stop portion; 100. a first air tube; 101. an air inlet; 102. an air outlet; 110. a switching part; 111. a slideway; 120. a connection part; 140. a recycling platform; 141. a first chute; 142. a second chute; 150. a connecting column; 160. a support part; 170. a second air pipe; 180. a connecting plate; 181. a locking groove; 190. a connecting block;

200. a transfer table; 201. a second plane; 210. a first light source module; 220. a first image acquisition module; 230. an adapter; 231. a first plane; 240. a light source frame; 250. a mounting platform; 260. a second image acquisition module; 270. a second light source module; 280. a connecting frame; 290. and the sensing module.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The present invention provides an image detection apparatus, referring to fig. 1 to 8, the image detection apparatus includes: a transfer table 200, the transfer table 200 being used for placing a workpiece for which image information is to be acquired; the image acquisition system is used for acquiring image information of the workpiece on the transfer table 200; and the material recycling structure is used for recycling the workpiece after the image information is acquired by the image acquisition system.

The image detection device can collect the image information of the workpiece on the transfer table 200 through the image collection system and the material recovery structure, and recover the workpiece with the image information collected by the image collection system. In a specific operation process, the image acquisition system acquires the image information of the workpiece on the transfer table 200, and then the material recovery structure is used for recovering the workpiece after the image information is acquired by the image acquisition system, so that the whole operation process is completed. The image detection equipment can collect the image information of the workpiece on the transfer table 200 through the image collection system and the material recovery structure, and recover the workpiece with the image information collected by the image collection system, thereby solving the problem of lower degree of automation of image detection in the prior art.

In order to realize image collection and recovery of the workpiece, the transfer table 200 is rotatably arranged, and the transfer table 200 drives the workpiece to move along a preset track so that the workpiece reaches the material recovery structure after passing through the image collection system.

In this embodiment, the transfer table 200 drives the workpiece to move along a preset track, so that the workpiece reaches the material recycling structure after the image information is collected by the image collecting system, and the workpiece is recycled by the material recycling structure.

For a specific structure of the image acquisition system, as shown in fig. 1 and 2, the image acquisition system includes: the first light source module 210, the first light source module 210 and the transfer table 200 are arranged at intervals, and the light emitting surface of the first light source module 210 is arranged towards the workpiece; the first image acquisition module 220, the first image acquisition head of the first image acquisition module 220 is set towards the workpiece.

Preferably, the transfer table 200 is made of a light transmissive material.

In this embodiment, the transfer table 200 is made of a light-transmitting material, so that the light of the first light source module 210 can be transmitted through the transfer table 200 to irradiate the bottom of the workpiece, so that the first image acquisition module 220 obtains clear image information. The transfer table 200 is used for placing a workpiece for image information collection, the light emitting surface of the first light source module 210 is disposed towards the workpiece, and the image collection head of the first image collection module 220 is disposed towards the workpiece. In the image acquisition, the light of the first light source module 210 irradiates the bottom of the workpiece through the transfer table 200, so that the bottom of the workpiece can be ensured to have enough light sources, and the overall effect of the image information acquired by the first image acquisition module 220 is better.

In order to facilitate the light irradiation of the first light source module 210 and the convenient collection of the first image collection module 220, the transfer table 200 is disposed between the first light source module 210 and the first image collection module 220.

In this embodiment, the transfer platform 200 is disposed between the first light source module 210 and the first image acquisition module 220, so that the workpiece can be ensured to have a sufficient light source, and the image information acquired by the first image acquisition module 220 can be ensured to be clearer.

To enable fixing of the transfer table 200, as shown in fig. 3 and 4, the image detection apparatus further includes a mounting platform 250, and the image acquisition system further includes: the transfer platform 200 is disposed on the adapter 230, and the adapter 230 is mounted on the mounting platform 250, so that the transfer platform 200 is mounted on the mounting platform 250 through the adapter 230.

In the present embodiment, the transfer table 200 is mounted on the mounting platform 250 through the adapter 230 by providing the adapter 230 on the image capturing system, wherein the transfer table 200 is disposed on the adapter 230, and the adapter 230 is configured to be mounted on the mounting platform 250.

In order to avoid the adaptor 230 blocking the light of the first light source module 210, the adaptor 230 is located at a side of the transfer table 200 facing away from the workpiece, so as to avoid the adaptor 230 blocking the light of the first light source module 210 from passing through the transfer table 200 and irradiating the bottom of the workpiece.

In this embodiment, the adapter 230 is located at a side of the transfer table 200 away from the workpiece, the light of the first light source module 210 can directly irradiate onto the workpiece, and a part of the light can irradiate onto the bottom of the workpiece through the transfer table 200, so as to ensure that the whole workpiece is located in a space with higher brightness.

For the specific connection position between the transfer table 200 and the adaptor 230, as shown in fig. 3, the adaptor 230 has a first plane 231, a part of the surface body of the first plane 231 is attached to the transfer table 200, the transfer table 200 has a second plane 201, and the second plane 201 is used for placing a workpiece; the first plane 231 and the second plane 201 have a first predetermined distance therebetween, so that the light of the first light source module 210 irradiates the bottom of the workpiece from above the first plane 231 through the transfer table 200.

In this embodiment, the adapter 230 has a first plane 231, a part of the surface body of the first plane 231 is attached to the transfer table 200, the transfer table 200 has a second plane 201, and the second plane 201 is used for placing a workpiece. The first plane 231 and the second plane 201 have a first predetermined distance therebetween, that is, the transfer platform 200 is located above the adapter 230, and the transfer platform 200 and the adapter 230 form a step shape, so that the light of the first light source module 210 can be irradiated onto the bottom of the workpiece from above the first plane 231 through the transfer platform 200.

For a specific connection mode of the transfer table 200 and the adaptor 230, the transfer table 200 is clamped, bonded or connected with the adaptor 230 through a fastener.

In this embodiment, optionally. The transfer table 200 is engaged with the adaptor 230.

Optionally, transfer table 200 is bonded to adapter 230.

Optionally, the transfer table 200 and the adapter 230 are connected by fasteners, that is, the transfer table 200 and the adapter 230 are provided with connecting holes, and the fasteners are used to fasten the transfer table 200 and the adapter 230.

For the specific structures of the transfer table 200 and the adapter 230, the transfer table 200 is a first circular ring, the adapter 230 is a second circular ring, and the projection of the inner hole wall of the first circular ring on the second circular ring is positioned in the middle of the second circular ring; wherein the first light source module 210 is disposed in the annular hole of the second ring.

In this embodiment, the transfer table 200 is a first ring, and the adapter 230 is a second ring, wherein a projection of an inner hole wall of the first ring on the second ring is located in the middle of the second ring, that is, the adapter 230 is used for supporting the transfer table 200.

In the present embodiment, the first light source module 210 is disposed in the annular hole of the second ring, that is, the first light source module 210 is disposed at the side of the second ring away from the transfer table 200.

In order to enable image acquisition of images of a plurality of orientations of the workpiece, the image acquisition system further comprises: the second image acquisition module 260, the second image acquisition head of the second image acquisition module 260 is set towards the workpiece; the second light source module 270, the second light source module 270 is set up with the interval of the transfer table 200, the light-emitting surface of the second light source module 270 is set up towards the work piece; the first image acquisition head faces in a first image acquisition direction, the second image acquisition head faces in a second image acquisition direction, and an included angle between the first image acquisition direction and the second image acquisition direction is a right angle.

To enable fixing of the first light source module 210, the image acquisition system further includes: a light source frame 240, the first light source module 210 being disposed on the light source frame 240, the light source frame 240 being for mounting on the mounting platform 250; the sensing module 290, the sensing module 290 is disposed on the light source frame 240; wherein the sensing module 290 is in signal connection with at least one of the first image capturing module 220 and the second image capturing module 260 to control at least one of the first image capturing module 220 and the second image capturing module 260 to capture image information of the workpiece.

In this embodiment, the sensing module 290 is used to determine the position of the workpiece, and at least one of the first image acquisition module 220 and the second image acquisition module 260 acquires image information of the workpiece.

In the present embodiment, by providing the light source frame 240 on the image capturing system, wherein the first light source module 210 is provided on the light source frame 240, the light source frame 240 is for mounting on the mounting platform 250, so that the first light source module 210 can be mounted on the mounting platform 250 through the light source frame 240.

In the present embodiment, a portion of the rack bar of the light source rack 240 is located above the transfer table 200, so that at least a portion of the first light source module 210 is located above the transfer table 200, thereby ensuring that the light of the first light source module 210 irradiates the workpiece.

Preferably, the first light source module 210 is adjustably positioned on the light source frame 240 such that the first light source module 210 is positioned closer to or farther from the workpiece.

Preferably, transfer table 200 is made of glass.

Preferably, the transfer table 200 is a disc optical glass, and is made of optical glass, which is round, has a light transmittance of up to 98%, and is resistant to high temperature of 120 ℃.

Preferably, the first light source module 210 is spaced apart from the transfer stage 200.

Preferably, the adaptor 230 is disposed on a side of the transfer table 200 near the first light source module 210.

In the present embodiment, the second image capturing module 260 is disposed below the transfer table 200, and the second light source module 270 is disposed above the transfer table 200, so that the workpiece on the transfer table 200 is located between the second light source module 270 and the second image capturing module 260. Accordingly, the first light source module 210 and the first image acquisition module 220 are respectively disposed at two sides of the transfer table 200, so that the second image acquisition module 260 acquires image information of the bottom of the workpiece, and the first image acquisition module 220 acquires side image information of the workpiece.

Preferably, the image acquisition system further comprises: the link 280, link 280 is used for the position adjustable to install on mounting platform 250, and link 280 includes first installation department and second installation department, and second light source module 270 passes through first installation department to be installed on link 280, and second image acquisition module 260 passes through second installation department to be installed on link 280 and install the platform.

In this embodiment, the connector 280 is adjustably mounted in position on the mounting platform 250.

Preferably, the second light source module 270 is positionally adjustably mounted on the first mounting portion, and/or the second image acquisition module 260 is positionally adjustably mounted on the second mounting portion.

Specific structure to the material recovery structure, as shown in fig. 5 to 7, the material recovery structure includes: the recovery platform 140, the recovery platform 140 is arranged at intervals with the transfer platform 200; and the discharging mechanism is arranged on the recovery platform 140, and is provided with an air passage, and an air outlet of the air passage is arranged towards a preset recovery position, so that air exhausted from the air outlet acts on the workpiece to transfer the workpiece to the preset recovery position.

Preferably, the plurality of the blanking mechanisms are arranged at intervals, the preset recovery positions are multiple, the plurality of the blanking mechanisms are arranged in one-to-one correspondence with the plurality of the preset recovery positions, the plurality of the workpiece groups are arranged in one-to-one correspondence with the plurality of the workpiece groups, and each blanking mechanism is used for transferring a corresponding group of workpieces to the preset recovery positions corresponding to the blanking mechanisms.

In this embodiment, image information of the workpieces is collected by the image collecting system, the workpieces are grouped, and each blanking mechanism is used for transferring a corresponding group of workpieces to a preset recovery position corresponding to the blanking mechanism.

For a plurality of feed mechanisms, as shown in fig. 5 and 7, the plurality of feed mechanisms includes a first feed mechanism, the plurality of preset recovery positions includes a first preset recovery position corresponding to the first feed mechanism, the first feed mechanism is used for transferring the first group of workpieces to the first preset recovery position, and the first feed mechanism includes: the stop part 90 is arranged above the transfer table 200, and the stop part 90 is used for limiting contact with the first group of workpieces; the first gas passage is disposed on the stop portion 90, and has a first gas outlet 102, and the first gas outlet 102 is disposed toward a first preset recovery position, so that the gas discharged from the first gas outlet 102 acts on the first group of workpieces to transfer the first group of workpieces to the first preset recovery position.

In this embodiment, the plurality of discharging mechanisms includes a first discharging mechanism, and the plurality of preset recovery positions includes a first preset recovery position corresponding to the first discharging mechanism, where the first discharging mechanism is configured to transfer the first group of workpieces to the first preset recovery position.

In this embodiment, the first blanking mechanism includes: the stop part 90 is arranged on a preset track, and the stop part 90 is used for limiting contact with the first group of workpieces; the first gas passage is disposed on the stop portion 90, and has a first gas outlet 102, and the first gas outlet 102 is disposed toward a first preset recovery position, so that the gas discharged from the first gas outlet 102 acts on the first group of workpieces to transfer the first group of workpieces to the first preset recovery position.

In this embodiment, the first blanking mechanism is capable of transferring the first group of workpieces to the first predetermined recovery position through the stop portion 90 and the first air passage. The stop part 90 is arranged on a preset track, the stop part 90 is used for being in limiting contact with a first group of workpieces, the first air passage is arranged on the stop part 90 and is provided with a first air outlet 102, and the first air outlet 102 is arranged towards a first preset recovery position. In a specific recycling process, the gas exhausted from the first gas outlet 102 acts on the first group of workpieces, so that the first group of workpieces can be transferred to a first preset recycling position.

In order to enable the gas exhausted from the first gas outlet 102 to act on the first group of workpieces to transfer the first group of workpieces to the first preset recovery position, as shown in fig. 8, the projection of the first gas outlet 102 on the stopper 90 is located inside the stopper 90 so that after the first group of workpieces contacts the stopper 90, the first gas outlet 102 exhausts the gas to transfer the first group of workpieces to the first preset recovery position.

In this embodiment, the projection of the first air outlet 102 on the stop portion 90 is located inside the stop portion 90, that is, one end of the first air passage where the first air outlet 102 is located is attached to the stop portion 90. When the first group of workpieces contacts the stopper 90, the first gas outlet 102 vents gas so that the first group of workpieces can be transferred to a first predetermined recovery position.

In order to control whether the gas in the first gas passage circulates, the first discharging mechanism further comprises: the first control valve is arranged on the stop part 90, a first valve port of the first control valve is communicated with the air supply pipeline, a second valve port of the first control valve is communicated with the first air passage, and the first valve port and the second valve port can be arranged on-off so as to control the communication and disconnection between the air supply pipeline and the first air passage.

In this embodiment, the first control valve is disposed on the first blanking mechanism, where the first control valve is disposed on the stop portion 90, a first valve port of the first control valve is communicated with the air supply pipeline, a second valve port of the first control valve is communicated with the first air passage, and on-off of the first valve port and the second valve port is controlled, so that the air supply pipeline and the first air passage can be controlled to be communicated and disconnected.

Preferably, the first control valve is a solenoid valve.

In this embodiment, by setting the first control valve as the electromagnetic valve and setting the first control valve on the stop portion 90, the control function of the electromagnetic valve can be better realized, so that the problem of gas collection cannot occur in the electromagnetic valve, and the exhaust effect of the first gas outlet 102 is better.

Preferably, as shown in fig. 8, the first blanking mechanism further includes: the first air pipe 100, the first air pipe 100 is arranged on the stop part 90, and the first air passage is a pipeline of the first air pipe 100; wherein the first air pipe 100 is disposed at a side of the stopping portion 90 contacting the first group of workpieces.

In this embodiment, the first air pipe 100 is disposed on the first blanking mechanism, where the first air pipe 100 is disposed on the stop portion 90, and the first air passage is a pipe of the first air pipe 100.

In order to be able to transfer the first group of workpieces to the first preset recovery position via the first gas passage, a first gas pipe 100 is provided on the side of the stopper 90 that contacts the first group of workpieces.

Preferably, the first air pipe 100 is disposed at an end of the stop portion 90 away from the first preset recovery position, so as to avoid the first group of workpieces from being separated from the stop portion 90 along the end of the stop portion 90 away from the first preset recovery position.

In this embodiment, by disposing the first gas pipe 100 at the end of the stop portion 90 away from the first preset recovery position, the first group of workpieces can be stopped by the first gas pipe 100, so as to avoid the first group of workpieces from being separated from the stop portion 90 along the end of the stop portion 90 away from the first preset recovery position.

For the specific structures of the stop part 90 and the first air pipe 100, the stop part 90 is a plate body, the first air pipe 100 is an elbow, and the projection of a part of the pipe section of the first air pipe 100 on the stop part 90 is positioned at the outer side of the stop part 90; the first air pipe 100 has an air inlet 101 communicating with the first air passage, and the air inlet 101 is disposed at an end of the first air pipe 100 away from the first air outlet 102.

Preferably, the first blanking mechanism further comprises: the switching part 110, the switching part 110 is connected with the stop part 90; the connecting part 120, the connecting part 120 is connected with the adapting part 110, and the position of the connecting part 120 is adjustably arranged on the recycling platform 140 so as to adjust the relative position of the stop part 90 and the first preset track.

Preferably, the recycling platform 140 is provided with a first sliding slot 141, and the connecting portion 120 is movably disposed along the first sliding slot 141 to drive the stop portion 90 to move.

Preferably, the first air tube 100 has an air inlet 101, the air inlet 101 being provided at an end of the first air tube 100 located outside the stopper 90.

Preferably, the transferring portion 110 is a slider, the transferring portion 110 is provided with a slide 111, the connecting portion 120 is movably disposed relative to the slide 111, and the transferring portion 110 is movably disposed to drive the stop portion 90 to move along a transfer table 200 that is close to or far away from the transfer table for driving the first group of workpieces to move along a predetermined track.

Preferably, the first blanking mechanism further comprises: the connection post 150, the connection post 150 is disposed on the stop portion 90, and the connection post 150 is connected to the adaptor portion 110, so that the stop portion 90 is connected to the adaptor portion 110 through the connection post 150.

In order to retrieve the second group work piece, a plurality of feed mechanisms still include second feed mechanism, and second feed mechanism sets up with first feed mechanism interval, and a plurality of recovery positions of predetermineeing still include the second that corresponds with second feed mechanism and predetermine the recovery position, and second feed mechanism is used for transferring the second group work piece to the second and predetermineeing the recovery position, and second feed mechanism includes: a support 160; and a second air passage provided on the support portion 160, a second air outlet of the second air passage being provided toward a second preset recovery position such that air discharged from the second air outlet acts on the second group of workpieces to transfer the second group of workpieces to the second preset recovery position.

In this embodiment, the plurality of discharging mechanisms further includes a second discharging mechanism, the plurality of preset recovery positions further includes a second preset recovery position corresponding to the second discharging mechanism, wherein the second discharging mechanism is disposed at intervals with the first discharging mechanism, and the second discharging mechanism is used for transferring the second group of workpieces to the second preset recovery position.

In this embodiment, the second blanking mechanism includes: the support 160 and the second gas passage, wherein the second gas passage is disposed on the support 160, and the second gas outlet of the second gas passage is disposed towards the second preset recovery position, and in the specific recovery process, the gas discharged from the second gas outlet acts on the second group of workpieces to transfer the second group of workpieces to the second preset recovery position.

Preferably, the second blanking mechanism further comprises: the second air pipe 170, the second air pipe 170 is arranged on the supporting part 160, and part of the second air passage is a pipeline of the second air pipe 170; wherein the second air outlet is provided on the second air pipe 170.

Preferably, the second blanking mechanism further comprises: the second control valve is arranged on the supporting part 160, the first valve port of the second control valve is communicated with the air supply pipeline, the second valve port of the second control valve is communicated with the second air passage, and the first valve port of the second control valve and the second valve port of the second control valve can be arranged on-off so as to control the communication and disconnection between the air supply pipeline and the second air passage.

Preferably, the second control valve is a solenoid valve.

In order to be able to set the second blanking mechanism on the recycling platform 140, the second blanking mechanism further comprises: the connection plate 180, the connection plate 180 is connected with the support 160; the connecting block 190, the connecting block 190 is connected with the connecting plate 180, and the position of the connecting block 190 is adjustably arranged on the recycling platform 140, so that the connecting block 190 drives the supporting part 160 to move relative to the recycling platform 140 through the connecting plate 180.

In the present embodiment, by providing the connection plate 180 and the connection block 190 on the second discharging mechanism, wherein the connection plate 180 is connected with the supporting portion 160, the connection block 190 is connected with the connection plate 180. The connection block 190 is adjustably arranged on the recycling platform 140 in position, so that the connection block 190 drives the supporting part 160 to move relative to the recycling platform 140 through the connection plate 180.

Preferably, the recycling platform 140 is provided with a second chute 142, and the connection block 190 is movably disposed along the second chute 142 to drive the support 160 to move.

Preferably, the connection plate 180 is adjustably disposed on the connection block 190 to drive the support 160 to move along the transfer table 200 that moves the workpiece along a predetermined trajectory.

Preferably, the connection block 190 is provided with a locking hole, the connection plate 180 is provided with a locking groove 181, and the locking member is locked in the locking hole through the locking groove 181.

Preferably, the locking holes are plural.

In order to be able to retrieve the third group of work pieces, a plurality of feed mechanisms still include third feed mechanism, and third feed mechanism sets up with second feed mechanism interval, and a plurality of recovery positions of predetermineeing still include the recovery position of predetermineeing corresponding with third feed mechanism, and third feed mechanism is used for sending the third group of work pieces to the recovery position of predetermineeing.

In this embodiment, the specific structure of the third blanking mechanism is the same as that of the second blanking mechanism.

In order to be able to ensure that the workpiece acquires image information at a fixed position, as shown in fig. 1 and 8, the image detection apparatus further includes: the guide mechanism, along the direction of rotation of transfer platform 200, guide mechanism, image acquisition system and material recovery structure set gradually, guide mechanism includes: a first guide portion 10; the second guiding part 20, the first guiding part 10 and the second guiding part 20 are arranged at intervals, and a guiding channel 30 for the workpiece to pass through is arranged between the first guiding part 10 and the second guiding part 20; the first guiding portion 10 and the second guiding portion 20 are rotatably disposed, so that the workpiece on the transfer table 200 reaches a preset position where the image information is collected by the image collecting system along the guiding channel 30 under the action of the first guiding portion 10 and the second guiding portion 20.

In the present embodiment, the workpiece can reach the preset position along the guide path 30 by the guide mechanism through the first guide portion 10 and the second guide portion 20. The first guiding portion 10 and the second guiding portion 20 are disposed at intervals, and a guiding channel 30 for the workpiece to pass through is provided between the first guiding portion 10 and the second guiding portion 20. In the specific alignment process, the first alignment part 10 and the second alignment part 20 rotate, so that the workpiece reaches a preset position along the alignment channel 30 under the action of the first alignment part 10 and the second alignment part 20. Then the image is acquired by the image acquisition system, and after the image is acquired, the workpiece is recovered by the material recovery structure.

In order to be able to adapt to different workpiece results, the distance between the first guide portion 10 and the second guide portion 20 is adjustably set so that the workpiece is in contact with both the first guide portion 10 and the second guide portion 20.

In this embodiment, the distance between the first guide portion 10 and the second guide portion 20 is adjustably set, so that the distance between the first guide portion 10 and the second guide portion 20 can be adjusted according to the size of the workpiece to be guided, and after the workpiece enters the guide channel 30, the workpiece contacts both the first guide portion 10 and the second guide portion 20, so that the workpiece reaches a preset position along the guide channel 30 under the action of the first guide portion 10 and the second guide portion 20.

In this embodiment, the workpiece moves along the edge of the second guiding portion 20 under the action of the second guiding portion 20, and then passes through the edge of the first guiding portion 10, so as to realize the guiding function of the workpiece.

In order to enable the workpiece to reach the preset position along the guide channel 30 under the action of the first guide portion 10 and the second guide portion 20, the first guide portion 10 is rotatably arranged along the first direction, and the second guide portion 20 is rotatably arranged along the second direction, wherein the first direction and the second direction are two opposite directions, so that after the workpiece enters the guide channel 30, the first guide portion 10 and the second guide portion 20 provide thrust in the same direction for the workpiece to push the workpiece to reach the preset position along the guide channel 30.

In the present embodiment, in the specific alignment process, the first alignment part 10 is rotatably disposed along the first direction, and the second alignment part 20 is rotatably disposed along the second direction, wherein the first direction and the second direction are two opposite directions. Therefore, after the workpiece enters the guide channel 30, the rotation directions of the first guide portion 10 and the second guide portion 20 are opposite, so as to provide the same direction thrust for the workpiece, and push the workpiece to reach the preset position along the guide channel 30.

With respect to the specific structure of the first guide portion 10 and the second guide portion 20, preferably, the first guide portion 10 is a guide wheel, and the second guide portion 20 is a guide wheel.

In order to enable the first guide portion 10 and the second guide portion 20 to be rotatably provided, as shown in fig. 1 and 8, the guide mechanism further includes: the first driving assembly 40 is in driving connection with the first guide part 10 so as to drive the first guide part 10 to rotate along a first direction; the second driving assembly 50, the first driving assembly 40 and the second driving assembly 50 are arranged at intervals, and the second driving assembly 50 is in driving connection with the second guide part 20 so as to drive the second guide part 20 to rotate along the second direction; the first direction and the second direction are opposite to each other, so that after the workpiece enters the guide channel 30, the first guide portion 10 and the second guide portion 20 provide thrust in the same direction for the workpiece, so as to push the workpiece to reach a preset position along the guide channel 30.

In the present embodiment, by providing the first driving assembly 40 and the second driving assembly 50 on the guide mechanism, the first driving assembly 40 is disposed at a distance from the second driving assembly 50. The first driving assembly 40 is in driving connection with the first guiding portion 10 to drive the first guiding portion 10 to rotate along a first direction, and correspondingly, the second driving assembly 50 is in driving connection with the second guiding portion 20 to drive the second guiding portion 20 to rotate along a second direction.

In this embodiment, in a specific alignment process, the first alignment portion 10 rotates along a first direction, the second alignment portion 20 rotates along a second direction, and the first direction and the second direction are two opposite directions, so that after the workpiece enters the alignment channel 30, the first alignment portion 10 and the second alignment portion 20 provide thrust in the same direction for the workpiece, so as to push the workpiece to reach a preset position along the alignment channel 30.

To be able to move by driving the first drive assembly 40, as shown in fig. 8, the guide mechanism further comprises: the driving motor 42, the driving motor 42 is connected with the first driving assembly 40 in a driving way; the driving belt 60, one end of the driving belt 60 is sleeved on the first driving assembly 40, and the other end of the driving belt 60 is sleeved on the second driving assembly 50; the driving motor 42 drives the first driving assembly 40 to move so that the first driving assembly 40 drives the first guiding portion 10 to rotate along the first direction, and the first driving assembly 40 drives the driving belt 60 to rotate so that the driving belt 60 drives the second guiding portion 20 to rotate along the second direction.

In this embodiment, the aligning mechanism further includes a driving motor 42 and a driving belt 60, where the driving motor 42 is in driving connection with the first driving assembly 40, one end of the driving belt 60 is sleeved on the first driving assembly 40, and the other end of the driving belt 60 is sleeved on the second driving assembly 50. In a specific operation process, the driving motor 42 drives the first driving assembly 40 to move so that the first driving assembly 40 drives the first guiding portion 10 to rotate along the first direction, and the first driving assembly 40 drives the driving belt 60 to rotate so that the driving belt 60 drives the second guiding portion 20 to rotate along the second direction.

In the present embodiment, the transmission belt 60 is disposed to intersect, so that the first guide portion 10 and the second guide portion 20 can be ensured to rotate in two opposite directions.

Preferably, the first driving assembly 40 includes: the first driving wheel 41, the driving motor 42 is in driving connection with the first driving wheel 41, and the first driving wheel 41 is connected with the first guiding part 10, so that the driving motor 42 drives the first guiding part 10 to rotate along the first direction through the first driving wheel 41; the second driving assembly 50 includes: second drive wheel 51, second drive wheel 51 being coupled to second pilot 20; one end of the driving belt 60 is sleeved on the first driving wheel 41, and the other end of the driving belt 60 is sleeved on the second driving wheel 51, so that the driving belt 60 is driven by the first driving wheel 41 to rotate, and the driving belt 60 drives the second correcting portion 20 to rotate along the second direction through the second driving wheel 51.

In order to fix the first guide portion 10 and the second guide portion 20, the guide mechanism further includes: the mounting portion 70, the first guide portion 10 and the second guide portion 20 are provided on the mounting portion 70 at a distance from each other, and the first guide portion 10 and the second guide portion 20 are rotatably provided with respect to the mounting portion 70.

Preferably, the guide mechanism further includes: the mounting frame 80, the mounting portion 70 is disposed on the mounting frame 80, and the mounting frame 80 is configured to be mounted on the mounting platform 250, so that the first guide portion 10 and the second guide portion 20 on the mounting portion 70 are located above the transfer table 200 for driving the workpiece to move along a preset track.

In this embodiment, the workpiece is a screw.

In this embodiment, the second image acquisition module 260 further includes: the light source is a spherical light source formed by an LED lamp, PVC glass and a housing, and the brightness of the light source is adjusted by a special controller through special illumination of like workpieces such as nut heads, semicircle heads and the like. The brightness and light can reach the best shooting effect and position under the irradiation of the light source, and all workpieces can automatically shoot images after passing through the area camera.

The image detection equipment is made of SUS304, the vibrator is arranged at the bottom of the bin, the vibrator works to discharge the workpiece after receiving the signal of the sensor, and the vibration disc distributor is used for clamping the workpiece. The material of the vibration plate distributor is SUS304, the high-frequency vibrator and the controller are arranged at the bottom of the vibration plate distributor, the frequency of the screw discharging speed and stability can be controlled, the screw head of the screw is downward through vibration rotation in the vibration plate, the screw rods are upward and come out one by one, and the screw rods are stably conveyed to the optical glass plate (the transfer table 200) by the direct vibration feeder. Wherein, the feeder shakes directly: the material of the screw is SUS304, and a high-frequency vibrator and a controller are arranged at the bottom of the screw to control the discharge speed and the stable frequency of the screw.

In this embodiment, the first guide portion 10 and the second guide portion 20 are guide wheels made of hard polyurethane. The first driving wheel and the second driving wheel are made of 45# steel, the driving belt 60 is an 8-shaped crossed belt, and the material is soft polyurethane. The transfer table 200 is made of disc optical glass, is made of optical glass, is round, has light transmittance up to 98%, is resistant to 120-DEG C high temperature, and can control the rotating speed of the optical glass disc to uniformly achieve a desired speed effect through a tooling, a bearing, a motor and a motor driver. The screws are distributed in the whole area of the disc optical glass, and the screw distribution area can be set to be 5mm-60mm, namely the distance of the distribution width of the screws on the surface of the disc optical glass is 5mm-60mm.

In the embodiment, the disc optical glass is driven by a motor to rotate clockwise, smoothly and uniformly, the screw follows the disc optical glass, the scattered screws are arranged on the disc optical glass, the screws are upwards from the screw rod, and the nuts are downwards attached to the disc optical glass. In the running process of the screw, the position of the screw can be changed after the screw receives gravity on the disc, the screw close to the second correcting part 20 moves to the edge of the second correcting part 20 and then moves to the edge of the first correcting part 10, and the correcting is finished, so that the angle position of the screw on the disc optical glass is consistent.

In this embodiment, the sensor (sensing module 290) is a laser high speed correlation sensor that uses a computer to backup the position when the detection screw passes. Wherein, side optical detection bit: an optical detection position is formed by integrating a light source, a lens and a camera, and the side surface of the screw, namely the size and the length of the screw, are detected. Front optical detection bits: the optical detection position is formed by a lens, a camera and two light sources, and the front surface of the detection screw, namely the nut, the large diameter thickness of the notch and the like. Wherein, optical lens: the high-performance SV-2514H focal length is adopted to be directly arranged on a camera to be matched with the camera for drawing; camera: an industrial camera, the pixels reach 130 ten thousand pixels, and the single drawing time is between 50 milliseconds.

Distributor (material recovery structure): the device consists of a tool, three air blowing devices, three product collecting areas and three connecting pipelines, wherein the tool is divided into three areas, namely an OK product outlet, a NG product outlet and a rechecking product outlet, each area is provided with a command of a system at all times, and only if a screw passes through the area system, the result of screw detection can be automatically divided into all areas by the air blowing devices according to types; OK product export: the material SUS304 is welded to form a wear-resistant discharge port; NG product outlet: the material SUS304 is welded to form a wear-resistant discharge port; rechecking the product outlet: SUS304 material is welded to form, wear-resistant discharge gate. And finally, various products are recovered to the corresponding product collecting areas through the connecting pipelines.

In the embodiment, screws to be detected are placed in a bin, the bin automatically limits quantity of screws through an inductor to be filled into a vibration plate distributor, the vibration plate distributor sequentially arranges heads of the screws downwards and screws upwards, the screws are stably and evenly conveyed onto an optical glass plate through a direct vibration feeder, the optical glass plate stably and evenly rotates clockwise, the screws are conveyed to a specified position on the glass plate in sequence, then the screws are corrected to be at specified positions on the glass plate through a guide mechanism, and then the OK and NG of products are judged by the system through the calibration of a sensor, the detection of side optical detection positions and the detection of front optical detection positions through the operation of a sensor and are sent to the distributor, and an air blowing device is arranged in the distributor, so that the OK and NG products are respectively distributed to an OK product outlet, a NG product outlet and a re-detection product outlet through the air blowing device, and the purpose of automatic detection of the screws is achieved. Wherein, first unloading mechanism corresponds the retest product, and second unloading mechanism and third unloading mechanism correspond OK and NG's product respectively.

In the present embodiment, the detection determination principle is as follows: the screw is conveyed to the screw detection area by the clockwise rotation of the optical glass disc, and because the screw is calibrated at the sensor, the screw is firstly conveyed to the screw detection area, a camera acquires a sample through the tapping action of the light source and the optical lens and conveys the sample to the computer program for detection, the program is conveyed to the blowing device by the detection program customized by the profession, the blowing device receives the corresponding result and conveys the screw to the product collection area, and then the screw flows out of the product outlet area through the connecting pipeline to fulfill the aim of detection and judgment.

The control facility includes: computer (industrial computer), display, keyboard and mouse, board card, IO card, PLC, electromagnetic valve and relevant relay switch.

Control software, vision software, written according to the following principle: the method comprises the steps of operating by using a power switch, a computer switch, a sudden stop, a start and reset key control device, collecting unqualified samples in a computer program in advance, carrying out program algorithm and data analysis on the unqualified samples by a pattern collected by a camera through a computer by focusing and allocating light source brightness data and a lens, and finally allocating detection data according to OK product, NG product and retest product types to achieve a detection effect.

From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An image detection apparatus, characterized by comprising:

a transfer station (200), the transfer station (200) being adapted to place a workpiece for which image information is to be acquired;

the image acquisition system is used for acquiring image information of the workpiece on the transfer table (200);

the material recycling structure is used for recycling the workpiece after the image information is acquired by the image acquisition system;

the transfer table (200) is rotatably arranged, and the transfer table (200) drives the workpiece to move along a preset track so that the workpiece reaches the material recovery structure after passing through the image acquisition system;

the image detection device further comprises a guide mechanism, and the guide mechanism, the image acquisition system and the material recovery structure are sequentially arranged along the rotation direction of the transfer table (200); the guide mechanism comprises a first guide part (10) and a second guide part (20), wherein the first guide part (10) and the second guide part (20) are arranged at intervals, and a guide channel (30) for the workpiece to pass through is arranged between the first guide part (10) and the second guide part (20); the first guide part (10) is rotatably arranged along a first direction, and the second guide part (20) is rotatably arranged along a second direction, so that the workpiece on the transfer table (200) reaches a preset position for the image acquisition system to acquire the image information along the guide channel (30) under the action of the first guide part (10) and the second guide part (20); the first direction and the second direction are opposite to each other, so that after the workpiece enters the guide channel (30), the first guide part (10) and the second guide part (20) provide thrust in the same direction for the workpiece so as to push the workpiece to reach the preset position along the guide channel (30).

2. The image detection apparatus according to claim 1, wherein the image acquisition system includes:

a first light source module (210), wherein the first light source module (210) is arranged at intervals with the transfer table (200), and the light emitting surface of the first light source module (210) is arranged towards the workpiece;

and a first image acquisition module (220), wherein a first image acquisition head of the first image acquisition module (220) is arranged towards the workpiece.

3. The image detection apparatus as defined in claim 2, wherein the transfer table (200) is made of a light transmissive material.

4. An image detection apparatus according to claim 3, further comprising a mounting platform (250), the image acquisition system further comprising:

the transfer platform (200) is arranged on the transfer platform (230), and the transfer platform (230) is arranged on the mounting platform (250), so that the transfer platform (200) is arranged on the mounting platform (250) through the transfer platform (230).

5. The image detection apparatus according to claim 4, wherein the transfer table (200) is a first ring, the adapter (230) is a second ring, and a projection of an inner hole wall of the first ring on the second ring is located in a middle part of the second ring; wherein the first light source module (210) is arranged in the annular hole of the second circular ring.

6. The image detection device of claim 2, wherein the image acquisition system further comprises:

a second image acquisition module (260), a second image acquisition head of the second image acquisition module (260) being disposed towards the workpiece;

a second light source module (270), wherein the second light source module (270) is arranged at intervals with the transfer table (200), and the light emitting surface of the second light source module (270) is arranged towards the workpiece;

the direction of the first image acquisition head is a first image acquisition direction, the direction of the second image acquisition head is a second image acquisition direction, and an included angle between the first image acquisition direction and the second image acquisition direction is a right angle.

7. The image detection apparatus according to claim 1, wherein the material recovery structure includes:

a recovery platform (140), wherein the recovery platform (140) is arranged at intervals with the transfer platform (200);

the discharging mechanism is arranged on the recycling platform (140), an air passage is arranged on the discharging mechanism, and an air outlet of the air passage is arranged towards a preset recycling position, so that air discharged from the air outlet acts on the workpiece to transfer the workpiece to the preset recycling position.

8. The image detecting apparatus according to claim 7, wherein the plurality of the discharging mechanisms are provided in plural, the plurality of the discharging mechanisms are provided at intervals, the plurality of the discharging mechanisms are provided in plural in one-to-one correspondence with the plurality of the preset recovery positions, the plurality of the workpieces are provided in plural sets, the plurality of the discharging mechanisms are provided in one-to-one correspondence with the plural sets of the workpieces, and each of the discharging mechanisms is configured to transfer a corresponding one of the sets of the workpieces to the preset recovery position corresponding to the discharging mechanism.

9. The image inspection apparatus of claim 8, wherein the plurality of blanking mechanisms includes a first blanking mechanism, the plurality of preset recovery positions includes a first preset recovery position corresponding to the first blanking mechanism, the first blanking mechanism is for transferring a first group of workpieces to the first preset recovery position, the first blanking mechanism includes:

a stop (90), wherein the stop (90) is arranged above the transfer table (200), and the stop (90) is used for limiting contact with the first group of workpieces;

the first gas passage is arranged on the stop part (90), the first gas passage is provided with a first gas outlet (102), and the first gas outlet (102) is arranged towards the first preset recovery position, so that gas discharged from the first gas outlet (102) acts on the first group of workpieces to transfer the first group of workpieces to the first preset recovery position.

10. The image inspection apparatus of claim 9, wherein the plurality of blanking mechanisms further includes a second blanking mechanism disposed in spaced relation to the first blanking mechanism, the plurality of preset recovery positions further including a second preset recovery position corresponding to the second blanking mechanism, the second blanking mechanism for transferring a second set of workpieces to the second preset recovery position, the second blanking mechanism comprising:

a support (160);

the second gas outlet of the second gas passage is arranged towards the second preset recovery position, so that gas discharged from the second gas outlet acts on the second group of workpieces to transfer the second group of workpieces to the second preset recovery position.

11. The image detection apparatus according to claim 10, wherein the plurality of discharging mechanisms further includes a third discharging mechanism disposed at an interval from the second discharging mechanism, and the plurality of preset recovery positions further includes a third preset recovery position corresponding to the third discharging mechanism for transferring a third group of workpieces to the third preset recovery position.

12. The image detection apparatus according to claim 1, wherein the guide mechanism further comprises:

the first driving assembly (40) is in driving connection with the first guide part (10) so as to drive the first guide part (10) to rotate along a first direction;

the second driving assembly (50), the first driving assembly (40) is arranged at intervals with the second driving assembly (50), and the second driving assembly (50) is in driving connection with the second guide part (20) so as to drive the second guide part (20) to rotate along a second direction;

the first direction and the second direction are opposite to each other, so that after the workpiece enters the guide channel (30), the first guide part (10) and the second guide part (20) provide thrust in the same direction for the workpiece so as to push the workpiece to reach the preset position along the guide channel (30).