CN220490667U

CN220490667U - Appearance detection device

Info

Publication number: CN220490667U
Application number: CN202321867751.4U
Authority: CN
Inventors: 金席林; 庾健彬
Original assignee: Guangdong Lvran Intelligent Equipment Co ltd
Current assignee: Guangdong Lvran Intelligent Equipment Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-02-13
Anticipated expiration: 2033-07-14

Abstract

The utility model relates to the technical field of detection equipment, and particularly discloses an appearance detection device, which comprises: a feed transfer module having a transfer surface for transporting an object to be tested; the first detection module is arranged above the conveying surface and comprises a plurality of detection cameras which are respectively arranged at the side part and the top part of the object to be detected so as to respectively shoot the side part and the top part of the object to be detected; the clamping and conveying module is arranged at the output end of the feeding and conveying module and comprises two clamping belts moving in the same direction, and the clamping belts can clamp the edge of an object to be tested; the second detection module is arranged below the clamping and conveying module so as to shoot the bottom of the object to be detected. The appearance detection device does not need to clamp the mobile detection camera through the mobile device to carry out surrounding shooting on the suspended object to be detected, can keep rapid transportation efficiency on the object to be detected, and can also carry out multidirectional detection on the object to be detected in the moving process, so that detection efficiency is improved.

Description

Appearance detection device

Technical Field

The application relates to the technical field of detection equipment, in particular to an appearance detection device.

Background

The appearance of the to-be-detected objects such as the coffee cover needs to be detected after the production is completed, whether defects such as perforation, unevenness, dirt and the like exist or not is judged, the to-be-detected objects with the defects are recovered or removed, and the delivery rate of defective products in the delivered to-be-detected objects is reduced. If the detection accuracy is low by visual inspection, a visual inspection device is generally used to assist the detection in order to improve the detection accuracy. At present, a mobile device is commonly used for clamping a detection camera, so that the detection camera rotates around an object to be detected and shoots detection pictures of all postures in real time, and visual analysis is performed on the detection pictures to judge whether flaws exist in the object to be detected.

However, the fly-swatter detection process for holding and rotating each object to be detected is complicated, and there is also a problem of low detection efficiency.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides an outward appearance detection device, it can solve among the prior art outward appearance check out test set and has the problem that detection efficiency is low.

In order to achieve the above purpose, the present application adopts the following technical scheme:

in a first aspect, there is provided an appearance detecting device including:

a feed transfer module having a transfer surface for transporting an object to be tested;

the first detection module is arranged above the conveying surface and comprises a plurality of detection cameras which are respectively arranged at the side part and the top part of the object to be detected so as to respectively shoot the side part and the top part of the object to be detected;

the clamping and conveying module is arranged at the output end of the feeding and conveying module and comprises two clamping belts moving in the same direction, and the clamping belts can clamp the edge of an object to be tested;

the second detection module is arranged below the clamping and conveying module so as to shoot the bottom of the object to be detected.

As a preferable embodiment of the appearance detecting device, further comprising:

the material removing module is arranged on one side of the feeding and conveying module and is positioned between the feeding and conveying module and the clamping and conveying module, and is provided with a material removing part which is a telescopic rod or an air blowing pipe.

the conveying belt is arranged on the other side of the feeding conveying module, which is away from the material removing module, and is provided with a conveying surface for conveying objects to be detected removed from the feeding conveying module by the material removing part.

As a preferable mode of the appearance detecting device, the first detecting module further includes a light supplementing portion, the light supplementing portion is disposed between the plurality of detecting cameras, and a light emitting area of the light supplementing portion faces the conveying surface.

As a preferable mode of the appearance detection device, the first detection module further comprises a lifting bracket, and the light supplementing part is arranged on the lifting bracket.

As a preferable scheme of the appearance detection device, the light supplementing part is provided with a through hole, the detection camera is arranged above the axial direction of the through hole, and the detection camera can shoot the top of the object to be detected through the through hole.

As a preferable scheme of the appearance detection device, the first detection module further comprises a lifting sub-support arranged above the through hole in an axial direction, and the lifting sub-support is provided with a detection camera for shooting the top of the object to be detected.

As a preferable mode of the appearance detection device, the clamping and conveying module further comprises a lifting rack, the lifting rack is fixed on the feeding and conveying module, a driving wheel is rotatably arranged on the lifting rack, and the clamping belt is movably arranged on the driving wheel, so that the clamping belt can move up and down relative to the feeding and conveying module.

As a preferable scheme of the appearance detection device, the clamping and conveying module further comprises a guide rail and a moving block, the moving block is movably arranged on the guide rail, the guide rail is arranged on the lifting rack, and the driving wheel is rotatably arranged on the moving block.

As a preferable scheme of the appearance detection device, the clamping and conveying module further comprises an illumination part arranged below the clamping belts, and the illumination part is used for illuminating an object to be detected between the two clamping belts.

The beneficial effects of this application are:

the conveying surface of the feeding conveying module is used for conveying a plurality of objects to be detected, the first detecting module comprising a plurality of detecting cameras is arranged above the conveying surface, the detecting cameras are respectively arranged on the side part and the top of the objects to be detected, and images of the side part and the top of the objects to be detected can be respectively shot to carry out visual identification and flaw analysis. Because each object to be detected is directly transported at a constant speed by the conveying surface, independent appearance detection of the top and the side of each object to be detected can be completed when a plurality of objects to be detected are transported continuously.

In addition, the clamping and conveying module is arranged at the output end of the feeding and conveying module, and the clamping and conveying module comprises two clamping belts moving in the same direction, so that the edges of the object to be detected can be continuously moved through the two clamping belts after the first detection module finishes detecting the top and the side of the object to be detected, and the bottom of the object to be detected is exposed. And a second detection module is arranged below the clamping and conveying module and can shoot and identify the bottom of the object to be detected, so that the bottom of the object to be detected is continuously subjected to appearance detection.

Compared with appearance detection equipment in the prior art, the appearance detection device does not need to clamp the mobile detection camera through the mobile device to carry out surrounding shooting on the suspended object to be detected. The objects to be detected are placed on the conveying surface of the feeding and conveying module one by one for moving and conveying, and then the clamping and conveying module continuously clamps and conveys each object to be detected, so that the rapid conveying efficiency of the objects to be detected can be maintained. Simultaneously, in the transportation of the article to be detected, carry out diversified shooting to the material that transports in feeding transfer module and the centre gripping transfer module respectively through first detection module and second detection module, also can carry out diversified detection to the article to be detected in moving to improve detection efficiency.

Drawings

The present application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a structural cross-sectional view of an appearance detecting device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an appearance detecting device according to an embodiment of the present application.

Fig. 3 is a structural cross-sectional view of a clamping and conveying module according to an embodiment of the present application.

Fig. 4 is a top view of an appearance detecting device according to an embodiment of the present disclosure.

In the figure:

1. a feed transfer module; 11. a conveying surface;

2. a first detection module; 21. detecting a camera; 22. a light supplementing part; 221. a through hole; 23. a lifting bracket; 24. a lifting sub-bracket;

3. clamping the transmission module; 31. clamping the belt; 32. a lifting rack; 33. a driving wheel; 34. a guide rail; 35. a moving block; 36. an illumination section;

4. a second detection module; 41. detecting a camera;

5. a material removing module; 51. a material removing part; 6. a transfer belt; 61. a transfer surface; 7. a conveyor belt.

Detailed Description

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

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; 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 this application, 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, and may also include the first and second features not being in direct contact but being in contact with each other by way of 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.

In order to solve the problem of low detection efficiency of the appearance detection device in the prior art, as shown in fig. 1, this embodiment provides an appearance detection device, including:

a feed conveyor module 1 having a conveyor face 11 for transporting an object to be measured;

the first detection module 2 is arranged above the conveying surface 11, the first detection module 2 comprises a plurality of detection cameras 21, and the plurality of detection cameras 21 are respectively arranged on the side part and the top part of the object to be detected so as to respectively shoot the side part and the top part of the object to be detected;

the clamping and conveying module 3 is arranged at the output end of the feeding and conveying module 1, the clamping and conveying module 3 comprises two clamping belts 31 which move in the same direction, and the clamping belts 31 can clamp the edge of an object to be tested;

the second detection module 4 is disposed below the clamping and conveying module 3 to shoot the bottom of the object to be detected.

The application transports a plurality of objects to be measured through the conveying surface 11 of the feeding conveying module 1, and the first detecting module 2 comprising a plurality of detecting cameras 21 is arranged above the conveying surface 11, the detecting cameras 21 are respectively arranged on the side parts and the top parts of the objects to be measured, and the images of the side parts and the top parts of the objects to be measured can be respectively shot for visual identification and flaw analysis. Because each object to be measured is directly transported at a constant speed by the conveying surface 11, independent appearance detection of the top and the side of each object to be measured can be completed when a plurality of objects to be measured are transported continuously.

In addition, the clamping and conveying module 3 is disposed at the output end of the feeding and conveying module 1, and since the clamping and conveying module 3 includes two clamping belts 31 moving in the same direction, the edge of the object to be detected can be continuously moved by the two clamping belts 31 after the top and the side of the object to be detected are detected by the first detecting module 2, so that the bottom of the object to be detected is exposed. And set up the second detection module 4 in the below of centre gripping transport module 3, can carry out shooting discernment to the bottom of waiting to survey the thing to continue to carry out outward appearance detection to the bottom of waiting to survey the thing.

Compared with the appearance detection device in the prior art, the appearance detection device does not need to clamp the mobile detection camera 21 through the mobile device to perform surrounding shooting on the suspended object to be detected. The objects to be detected are placed on the conveying surface 11 of the feeding and conveying module 1 one by one for moving and conveying, and then the clamping and conveying module 3 continuously clamps and conveys each object to be detected, so that the rapid conveying efficiency of the objects to be detected can be maintained. Meanwhile, in the transportation process of the object to be detected, the materials transported in the feeding and conveying module 1 and the clamping and conveying module 3 are continuously shot in multiple directions through the first detection module 2 and the second detection module 4 respectively, and the moving object to be detected can be detected in multiple directions, so that the detection efficiency is improved.

After the appearance detection equipment is integrated into the production line of the object to be detected, multidirectional appearance detection can be performed immediately after the object to be detected is produced, the object to be detected passing through the detection is continuously transported to the split charging and packaging production line at the rear end, and delivery sales is performed after packaging. And the objects to be detected which do not pass through the detection can be removed by a human hand or a mechanical arm, so that the reject ratio of the products leaving the factory is reduced.

In particular, referring to fig. 1 and 4, the appearance inspection device of the present application further includes a stripping module 5, wherein the stripping module 5 is disposed at one side of the feeding and conveying module 1, and the stripping module 5 is located between the feeding and conveying module 1 and the clamping and conveying module 3. Since the stripping module 5 has the stripping portion 51, specifically, the stripping portion 51 is a telescopic rod or an air blowing pipe, when the first detection module 2 detects that a certain object to be detected on the conveying surface 11 is a defective product, the defective product can be removed by the telescopic stripping portion 51 or by blowing through the stripping portion 51.

Further, referring to fig. 2, the appearance detecting device further includes a transfer belt 6 disposed at the other side of the feed conveyor module 1 opposite to the leaving module 5, wherein the transfer belt 6 has a transfer surface 61. When the defective object to be tested is removed from the conveying surface 11 by the removing module 5, the defective object falls on the transferring surface 61, and is transported by the transferring surface 61 to be removed by the removing portion 51, so as to recycle the defective object.

Preferably, referring to fig. 4, a conveyor belt 7 is disposed at the output end of the clamping and conveying module 3, and the stripping module 5 may be disposed on the conveyor belt 7, and after the second detecting module 4 detects that a certain object to be detected in the clamping belt 31 is a defective product, the defective product is removed by the stripping module 5 after the defective product reaches the conveyor belt 7, so that the reject rate of the product from the factory can be reduced.

In another embodiment, referring to fig. 1, the first detection module 2 further includes a light supplementing unit 22, and the light supplementing unit 22 is disposed between the plurality of detection cameras 21, so that the light emitting area of the light supplementing unit 22 faces the conveying surface 11, and the conveying surface 11 can be supplemented with light sources to illuminate the object to be detected on the conveying surface 11. Since the detection cameras 21 are arranged in a plurality of directions on the side and the top of the object to be detected, the light intensity near the object to be detected can be supplemented by arranging the light supplementing part 22, and the detection accuracy of the first detection module 2 is prevented from being reduced due to the too dark light of the object to be detected.

Preferably, referring to fig. 1, the first detection module 2 further includes a lifting bracket 23, and the light supplementing portion 22 is disposed on the lifting bracket 23, so that the relative height of the light supplementing portion 22 with respect to the conveying surface 11 can be changed. When facing to objects to be detected with different heights, the liftable light supplementing part 22 supplements light to the objects to be detected, so that the illumination intensities of different objects to be detected can be ensured to be consistent, and the consistency of the detection results of the first detection module 2 can be maintained.

More preferably, referring to fig. 1, the light supplementing portion 22 is provided with a through hole 221, and the detection camera 21 of the first detection module 2 is provided above the through hole 221 in the axial direction, so that the detection camera 21 can shoot the top of the object to be detected through the through hole 221, and can supplement light to the top of the object to be detected through the light supplementing portion 22. In this embodiment, the light supplementing unit 22 and the detection camera 21 can be located at the same position to reduce the occupied volume, and the detection camera 21 can also reduce the influence on the light supplementing effect caused by shielding the light source of the light supplementing unit 22, so that the detection accuracy of the detection camera 21 can be further improved.

Further, referring to fig. 2, the first detection module 2 further includes a lifting sub-mount 24 disposed axially above the through hole 221, and a detection camera 21 for photographing the top of the object to be detected is disposed on the lifting sub-mount 24. The relative height of the detection camera 21 relative to the object to be detected can be changed through the lifting sub-support 24, objects to be detected with different heights can be adapted, and the light supplementing part 22 is convenient to detach and install.

Optionally, looking at fig. 3, the clamp transfer module 3 further comprises a lifting platform 32, the lifting platform 32 being fixed to the feed transfer module 1. The lifting rack 32 is rotatably provided with a driving wheel 33, and the clamping belt 31 is movably arranged on the driving wheel 33, so that the clamping belt 31 can be driven to move along by driving the driving wheel 33 to rotate. The rotatable driving wheels 33 are respectively arranged on the two lifting frames 32, so that the two clamping belts 31 can be driven to move in the same direction at the same time, and the two clamping belts 31 can clamp the edge of the object to be tested to transport the object to be tested. If the lifting platform 32 is driven to lift, the clamping belt 31 can be driven to lift relative to the feeding and conveying module 1, so that the height of the clamping belt 31 relative to the conveying surface 11 can be adjusted, and the edge heights of different objects to be tested can be adapted.

Preferably, referring to fig. 3, the clamp transfer module 3 further includes a guide rail 34 and a moving block 35, wherein the moving block 35 is movably disposed on the guide rail 34, and the guide rail 34 is disposed on the elevation stage 32. At least two moving blocks 35 are arranged on the guide rail 34, the driving wheels 33 are rotatably arranged on the moving blocks 35, and the distance between the two driving wheels 33 can be changed by driving the moving blocks 35 to move relative to the guide rail 34, so that the distance between the two clamping belts 31 can be adjusted to adapt to objects to be tested with different widths. Specifically, the object to be detected can be a round tableware such as a coffee cover, a bottle cover and the like.

The second detection module 4 may be provided with a detection camera 41, and still preferably, referring to fig. 3, the clamping and conveying module 3 further includes an illumination portion 36 disposed below the clamping belts 31, and the illumination portion 36 irradiates an object to be detected located between the two clamping belts 31, so that light supplementing can be performed on the object to be detected, and appearance detection can be performed on the second detection module 4 conveniently. If the illumination unit 36 changes the illumination intensity, the light transmittance of the object to be measured can be detected in combination with the second detection module 4.

Optionally, the second detection module 4 may be provided with a plurality of detection cameras 41, and the plurality of detection cameras 41 are circumferentially arranged below the clamping and conveying module 3, so that the supplementary detection of the bottom side of the object to be detected can be further performed.

The first detection module 2 and the second detection module 4 in this embodiment may be in communication connection with the controller, and perform recognition analysis on the photographed picture through a visual analysis module in the controller, so as to automatically perform appearance detection on the object to be detected. The material removing module 5, the light supplementing portion 22, the lifting support 23, the lifting stand 32 and the illumination portion 36 may also be in communication connection with the controller, and the operation timing of the material removing portion 51 of the material removing module 5, the illumination intensity of the light supplementing portion 22 and the illumination portion 36, the lifting height of the lifting support 23 and the lifting stand 32 may be automatically controlled in combination with the detection requirement of the object to be detected, which is not specifically limited and described in detail in this embodiment.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims

1. An appearance detection device, comprising:

a feed transfer module (1) having a transfer surface (11) for transporting an object to be measured;

the first detection module (2) is arranged above the conveying surface (11), the first detection module (2) comprises a plurality of detection cameras (21), and the detection cameras (21) are respectively arranged on the side part and the top part of the object to be detected so as to respectively shoot the side part and the top part of the object to be detected;

the clamping and conveying module (3) is arranged at the output end of the feeding and conveying module (1), the clamping and conveying module (3) comprises two clamping belts (31) which move in the same direction, and the clamping belts (31) can clamp the edge of an object to be tested;

the second detection module (4) is arranged below the clamping and conveying module (3) so as to shoot the bottom of the object to be detected.

2. The appearance inspection device according to claim 1, further comprising:

the material removing module (5) is arranged on one side of the feeding conveying module (1) and located between the feeding conveying module (1) and the clamping conveying module (3), the material removing module (5) is provided with a material removing part (51), and the material removing part (51) is a telescopic rod or an air blowing pipe.

3. The appearance inspection device according to claim 2, further comprising:

the conveying belt (6) is arranged on the other side of the feeding conveying module (1) away from the material removing module (5), the conveying belt (6) is provided with a conveying surface (61), and the conveying surface (61) is used for conveying objects to be detected removed from the feeding conveying module (1) by the material removing part (51).

4. The appearance inspection device according to claim 1, wherein the first inspection module (2) further includes a light supplementing portion (22), the light supplementing portion (22) is disposed between the plurality of inspection cameras (21), and a light emitting area of the light supplementing portion (22) faces the conveying surface (11).

5. The appearance inspection device according to claim 4, wherein the first inspection module (2) further comprises a lifting bracket (23), and the light supplementing portion (22) is disposed on the lifting bracket (23).

6. The appearance inspection device according to claim 4, wherein the light supplementing portion (22) is provided with a through hole (221), the inspection camera (21) is provided above the through hole (221) in the axial direction, and the inspection camera (21) can photograph the top of the object to be inspected through the through hole (221).

7. The appearance inspection device according to claim 6, wherein the first inspection module (2) further comprises a lifting sub-bracket (24) disposed above the through hole (221), and the lifting sub-bracket (24) is provided with the inspection camera (21) for photographing the top of the object to be inspected.

8. The appearance inspection device according to claim 1, characterized in that the clamping and conveying module (3) further comprises a lifting rack (32), the lifting rack (32) is fixed on the feeding and conveying module (1), the lifting rack (32) is rotatably provided with a driving wheel (33), and the clamping belt (31) is movably arranged on the driving wheel (33) so that the clamping belt (31) can move up and down relative to the feeding and conveying module (1).

9. The appearance inspection device according to claim 8, wherein the grip transfer module (3) further includes a guide rail (34) and a moving block (35), the moving block (35) is movably provided on the guide rail (34), the guide rail (34) is provided on the lifting stand (32), and the driving wheel (33) is rotatably provided on the moving block (35).

10. The appearance inspection device according to claim 8, wherein the grip transfer module (3) further includes an illumination portion (36) disposed below the grip belts (31), the illumination portion (36) being for illuminating an object to be inspected located between the two grip belts (31).