CN216500803U - Visual inspection device - Google Patents

Abstract

The utility model provides a visual detection device, which comprises a detection mechanism, wherein the detection mechanism comprises a first falling device, a second falling device, a first camera device and a second camera device, the first falling device and the second falling device are obliquely arranged, and a material falls on a guide surface of the first falling device from a dispersion mechanism and then falls on a guide surface of the second falling device from the first falling device; the material falls from the first falling device to the guide surface of the second falling device and turns over, so that the material turns over from a first state to a second state, the first camera device is used for shooting the material in the first state, and the second camera device is used for shooting the material in the second state; the visual detection device saves time and labor and has high detection efficiency.

Description

Visual inspection device

Technical Field

The utility model relates to the field of detection equipment, in particular to a visual detection device.

Background

In the production of many products, it is necessary to perform filling assembly, such as filling the package with a material. Nowadays, modern charging operation generally adopts automatic equipment, and the spare part or the product of waiting to feed all are accomplished the material loading by automatic charging devices, for improving productivity and efficiency, often need an action flow to accomplish dozens or even hundreds of products's material loading.

However, in the process of equipment operation, various factors exist, such as unstable equipment operation, error in material size, defect in material shape and the like, which inevitably cause the problem that some accidental materials fall off or parts are unqualified, so that the produced products have material shortage, and because the quantity of supplied materials is huge, if the supplied materials cannot be identified and removed one by one depending on manual work, once unqualified parts are not found and removed in time, the whole product is unqualified, so that the qualification rate and the quality of the products are affected, such as industrial products and agricultural and sideline products, and if one of the defects exists, the whole finished product is unqualified, so that a large economic loss is caused.

Aiming at the situations, manual inspection is mainly adopted in the industry at present, the labor cost is high when manual inspection is carried out, and people are needed to stare at the people at once, so that omission is difficult to avoid due to manual inspection, the operation of a machine is influenced once the omission occurs, and the problem of charging error cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is desirable to provide a visual inspection apparatus that saves time and labor and has high inspection efficiency.

In order to solve the technical problem, the utility model provides a visual detection device, which comprises a detection mechanism, wherein the detection mechanism comprises a first falling device, a second falling device, a first camera device and a second camera device, the first falling device and the second falling device are obliquely arranged, and materials fall from a dispersing mechanism to a guide surface of the first falling device and then fall from the first falling device to a guide surface of the second falling device; the material turns over when falling to the guide surface of the second sliding device from the first sliding device, so that the material turns over from a first state to a second state, the first camera device is used for shooting the material in the first state, and the second camera device is used for shooting the material in the second state.

As a further preference of the above embodiment, the direction of movement of the material on the first falling device is at an angle of 30 ° to 100 ° to the direction of travel thereof on the dispersing means, and the direction of movement of the material on the second falling device is at an angle of 80 ° to 150 ° to the direction of travel thereof on the dispersing means.

As a further preference of the above embodiment, the moving direction of the material on the first falling device forms an angle of 75 ° with the traveling direction of the material on the dispersing mechanism, and the moving direction of the material on the second falling device forms an angle of 105 ° with the traveling direction of the material on the dispersing mechanism.

As a further preference of the above embodiment, the conveying speed of the first falling device is 0.01 to 2m/s, preferably 0.5 to 1.5 m/s; the visual detection device also comprises a control device, and the first camera device and the second camera device are connected with the control device.

As a further preference of the above embodiment, the visual inspection device further comprises a dispersing mechanism, the dispersing mechanism comprises a first conveying device and a second conveying device, a discharge end of the first conveying device is located above a feed end of the second conveying device, so that the material falling from the first conveying device falls on the feed end of the second conveying device, and a conveying speed of the first conveying device is lower than that of the second conveying device; the detection mechanism is located at the discharge end of the dispersion mechanism, and when the material drops from the discharge end of the dispersion mechanism, the detection mechanism detects the material.

As a further preferable mode of the above embodiment, the second conveying device includes a power device, a first driving wheel, a second driving wheel and a second conveying belt, the second conveying belt is wound around the first driving wheel and the second driving wheel, and a power output shaft of the power device is connected with the first driving wheel and/or the second driving wheel, so as to drive the second conveying belt to rotate around the first driving wheel and the second driving wheel; the second conveying device is also fixedly provided with a channel divider, the channel divider comprises a divider bracket and a divider body, the divider body is fixed on the divider bracket, a plurality of material channels are arranged on the divider body at intervals, the width of each material channel is larger than that of one material and smaller than that of two materials, the divider body is also provided with a vibrator, the vibrator drives the divider body to vibrate, and the vibrator is provided with a switch button; and/or the presence of a gas in the gas,

the first conveying device is a vibrating device, the vibrating device comprises a disc body and a vibrator, and the vibrator drives the disc body to vibrate.

As a further preference of the above embodiment, the dispersing mechanism further includes a third conveying device, the discharge end of the second conveying device is located above the feed end of the third conveying device, so that the material dropped from the second conveying device falls on the feed end of the third conveying device, and the conveying speed of the second conveying device is lower than that of the third conveying device; the third conveying device comprises a driving wheel, a third conveying belt, a third support and blocking pieces, the driving wheel drives the third conveying belt to rotate, the blocking pieces are fixed on the third support and located on the upper portion of the third conveying belt, a material channel is formed between every two adjacent blocking pieces, the width of the material channel is matched with the size of the material, the material can only pass through the material channel in a preset direction, and falling channels are arranged on two sides of each blocking piece.

As a further optimization of the above embodiment, the visual inspection device further includes a feeding device, a material recovery and conveying device is disposed at a lower portion of the falling channel, a discharge end of the material recovery and conveying device extends to the feeding device, and the material falling from the falling channel is conveyed to the feeding device by the material recovery and conveying device.

As a further preference of the above embodiment, the visual inspection device further comprises a feeding device, wherein the discharge end of the feeding device is located above the feed end of the first conveying device, the feed end of the feeding device is lower than the discharge end of the feeding device, and the conveying speed of the feeding device is lower than the transmission speed of the first conveying device;

the feeding device comprises a feeding conveying device and a material containing container, the feeding conveying device penetrates through the material containing container, and the surface of the feeding conveying belt is arranged in a rugged manner;

the feeding conveying device comprises a first feeding wheel, a second feeding wheel and a feeding conveying belt, the feeding conveying belt surrounds the first feeding wheel and the second feeding wheel, and a feeding section of the feeding conveying belt penetrates through the material containing container.

As a further optimization of the above embodiment, the visual inspection device further includes a classification mechanism and a control device, the classification mechanism is connected with the control device, data information detected by the detection mechanism is transmitted to the control device, and the control device controls the classification mechanism to classify the materials according to prestored information; alternatively, the first and second electrodes may be,

the visual detection device also comprises a through hole detection mechanism; alternatively, the first and second electrodes may be,

the first sliding device is a through hole detection mechanism.

As a further preference of the above embodiment, the visual inspection device further includes a through hole inspection mechanism, the through hole inspection mechanism includes a first through hole inspection sliding surface and a second through hole inspection sliding surface, the second through hole inspection sliding surface is inclined downward, the through hole inspection mechanism further includes a position inspection camera device and a through hole visual inspection device, a lens of the position inspection camera device faces the first through hole inspection sliding surface, and the position inspection camera device is used for inspecting through holes of the material on the second through hole inspection sliding surface; the second through hole visual detection device comprises an irradiation light source, a light receiving plate and a detection piece, wherein the irradiation light source and the light receiving plate are respectively positioned on two sides of the second through hole detection sliding surface and are arranged oppositely, the irradiation light source faces to materials positioned on the second through hole detection sliding surface, and the detection piece is used for detecting whether a transmission light spot exists on the light receiving plate; and a rejecting device is further arranged on one side of the first through hole detection sliding surface and is connected with the position detection camera device, and the rejecting device is controlled by a signal detected by the position detection camera device to reject materials which do not conform to a preset direction.

The visual detection device comprises a detection mechanism, wherein the detection mechanism comprises a first sliding device, a second sliding device, a first camera device and a second camera device, materials are overturned when falling into the second sliding device from the first sliding device, the first camera device shoots the materials on the first sliding device, the second camera device shoots the materials on the second camera device, and the materials can be detected more comprehensively.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic structural diagram of a visual inspection apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of a portion of a second conveyor of the present invention;

FIG. 3 is a schematic top view of a third conveyor according to the present invention;

FIG. 4 is a schematic structural diagram of the visual inspection mechanism of FIG. 1;

fig. 5 is a schematic structural diagram of another visual inspection mechanism according to a preferred embodiment of the present invention.

In the figure: 1. a detection mechanism; 13. a first slide-off device; 131. a first image pickup device; 14. a second slide-off device; 141. a second image pickup device; 2. a dispersing mechanism; 21. a first conveying device; 22. a second conveying device; 221. a first drive pulley; 222. a second transmission wheel; 223. a second conveyor belt; 23. a third conveying device; 231. a third conveyor belt; 232. a third support; 233. a blocking member; 234. a drop channel; 3. a channel divider; 31. a divider support; 32. a divider body; 321. a material channel; 4. a feeding device; 41. a feeding and conveying device; 411. a first feeding wheel; 412. a second feeding wheel; 413. a feeding conveyor belt; 42. a material container; 5. a sorting mechanism; 51. an automatic valve; 52. a channel; 6. a material recovery and conveying device; 7. a through hole detection mechanism; 71. a first through hole detects the sliding surface; 72. a second through hole detection sliding surface; 73. a position detection camera device; 74. a detection member; 75. an illumination source; 76. and (6) connecting with a light plate.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

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 invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, the present invention provides a visual inspection apparatus including a detection mechanism, and referring to fig. 1 and 4, the detection mechanism includes a first falling device 13, a second falling device 14, a first camera 131, and a second camera 141. The first sliding device 13 and the second sliding device 14 are both obliquely arranged, and the material slides 2 from the dispersing mechanism to the guide surface of the first sliding device 13 and then falls from the first sliding device 13 to the guide surface of the second sliding device 14. The material is turned over from the first state to the second state, the first camera device 131 is used for shooting the material in the first state, and the second camera device 141 is used for shooting the material in the second state. The first state and the second state are two states in which different surfaces of the same material can be exposed. When the material (such as bamboo chips of the mahjong mat) is turned over on the first sliding device 13 and the second sliding device 14, different surfaces can be exposed, and two surfaces of the material can be conveniently detected. The present disclosure is not limited to the above-described embodiments, and may be applied to the imaging of the materials located in the first and second sliding devices 13 and 14, or the imaging of the materials not located in the first and second sliding devices 13 and 14 (in the air), and the present disclosure may be applied to the imaging of the materials in two different states (two states in which the materials can be exposed to different surfaces). The lens of the first camera 131 faces the guiding surface of the first sliding device 13 to detect the photograph of one surface of the material (such as bamboo chips of a mahjong mat), and the lens of the second camera 141 faces the guiding surface of the second sliding device 14 to detect the photograph of the other surface of the material (such as bamboo chips of a mahjong mat). When polygonal materials (such as hexagonal rods) are detected, in a first state, one surface of the hexagonal rod faces the first sliding device 13 or is in contact with the first sliding device 13, and in a second state, a second surface of the hexagonal rod faces the second sliding device 14 or is in contact with the second sliding device 14; of course, a third sliding device or a fourth sliding device may be further included to enable the material to be in a third state or a fourth state, so that the shooting device can shoot more materials in different states. Further, the first falling device 13 and the second falling device 14 both comprise a transmission wheel and a conveyor belt, the rotation speed of the conveyor belt of the first falling device 13 is relatively high, generally 0.01-2m/s, preferably 0.5-1.5m/s, so as to ensure that the material can be smoothly turned over when falling from the first falling device 13 to the second falling device 14.

As a further improvement of the above embodiment, the first falling device 13 and the second falling device 14 both comprise a transmission wheel and a conveyor belt, and the rotation speed of the conveyor belt of the first falling device 13 is relatively high, generally 0.01-2m/s, preferably 0.5-1.5m/s, so as to ensure that the material can be smoothly turned over when falling from the first falling device 13 to the second falling device 14.

As a further improvement of the above embodiment, the direction of movement of the material in the first falling device 13 is at an angle of 30 ° to 100 °, further 60 ° to 80 °, preferably 75 ° to the direction of travel of the material in the first falling device 13; the moving direction of the material on the second falling device 14 forms an angle of 80 to 150 degrees with the advancing direction thereof on the dispersing mechanism, further, the angle is 100 to 120 degrees, and preferably, the moving direction of the material on the second falling device 14 forms an angle of 105 degrees with the advancing direction thereof on the dispersing mechanism; the materials are turned over when falling from the first falling device 13 to the guide surface of the second falling device 14, so that different surfaces can be exposed when the materials (such as bamboo chips of a mahjong mat) are arranged on the first falling device and the second falling device, and two surfaces of the materials can be conveniently detected.

Referring to fig. 1 and 2, as a further improvement of the above embodiment, the dispersing mechanism 2 and the detecting mechanism 1 are included, the dispersing mechanism 2 includes a first conveyor 21 and a second conveyor 22, a discharge end of the first conveyor 21 is located above a feed end of the second conveyor 22, so that the material falling from the first conveyor 21 falls on the feed end of the second conveyor 22, a conveying speed of the first conveyor 21 is lower than a conveying speed of the second conveyor 22, the conveying speed of the first conveyor 21 is lower than the conveying speed of the second conveyor 22, and the material falling on the second conveyor 22 can be separated by a distance along a conveying direction of the second conveyor 22, so that the material is dispersed, and the subsequent detection is facilitated. Detection mechanism 1 is located the discharge end of dispersion mechanism 2, and when the material dropped from the discharge end of dispersion mechanism 2, detection mechanism 1 detected the material, and the material dropped the in-process from the discharge end of dispersion mechanism 2, and the material does not have other objects to block, and detection mechanism can be comprehensive detects the material.

Referring to fig. 3, as a further modification of the above embodiment, the second conveying device 22 includes a power device, a first driving wheel 221, a second driving wheel 222 and a second conveying belt 223, the second conveying belt 223 is wound around the first driving wheel 221 and the second driving wheel 222, and a power output shaft of the power device is connected to the first driving wheel 221 and/or the second driving wheel 222, so as to drive the second conveying belt to rotate around the first driving wheel 221 and the second driving wheel 222. Specifically, the power device is a motor, and the motor is connected with a speed reducer, and the speed reducer is connected with the first driving wheel 221 and/or the second driving wheel 222. Still be fixed with passageway decollator 3 on second conveyer 22, passageway decollator 3 includes decollator support 31 and decollator body 32, and decollator body 32 is fixed on decollator support 31, and the interval is provided with a plurality of material passageway 321 on the decollator body 32, and the width of material passageway 321 is greater than the width of a material, and is less than the width of two materials, guarantees to pass through a material smoothly at every turn, avoids the material transverse direction too densely. Specifically, the separator includes a plurality of partition plates, and a plurality of material passageway 321 is cut apart to the partition plate, and further, the partition plate slope sets up, and the extending direction of partition plate and the moving direction of second conveyer belt 223 have the contained angle, avoids the material to be blocked on the baffle. The material is dispersed on the second conveyor 22 and, due to the channel divider 3, the material passing through the second conveyor 22 is straightened, so that the moving direction of the material is the same as the conveying direction of the second conveyor 223, and the material is prepared to pass through the third conveyor 23 smoothly. The divider body 32 is further provided with a vibrator, the vibrator drives the divider body 32 to vibrate, and the vibrator is provided with a switch button, so that the divider can be selectively switched on or switched off according to needs during use.

As the further improvement of the above embodiment, still be provided with the electromagnetic shaker on the decollator body 32, the electromagnetic shaker drives decollator body 32 vibrations, and dispersion effect is better, can also avoid the material to be blocked by decollator body 32.

In another embodiment, the first transmission device is a vibrator, the vibrator comprises a disc body and a vibrator, the vibrator drives the disc body to vibrate, and a switch button is arranged on the vibrator to select whether to use the vibrator according to requirements. The materials are dispersed and then fall onto the second conveying device.

Referring to fig. 3, as a further modification of the above embodiment, the dispersing mechanism 2 further includes a third conveyor 23, the discharge end of the second conveyor 22 is located above the feed end of the third conveyor 23, so that the material dropped from the second conveyor 22 falls on the feed end of the third conveyor 23, and the conveying speed of the second conveyor 22 is lower than that of the third conveyor 23. The third conveying device 23 disperses the materials again, so that the dispersion degree of the materials is larger, and the subsequent detection is more convenient. Specifically, the third conveying device 23 includes a plurality of sets of driving wheels, a third conveyor belt 231, a third support 231, and a blocking member 233, where the plurality of sets of driving wheels are provided, each set of driving wheels includes at least two driving wheels, and the two driving wheels drive one third conveyor belt 231 to rotate. The blocking part 233 is fixed on the third support 232 and located on the upper portion of the third conveyor belt 231, the blocking part 233 is close to the edge of the third conveyor belt 231, a material channel is formed between adjacent blocking parts 233, the width of the material channel is matched with the size of a material, so that the material can only pass through the material channel in a preset direction, for example, the material is a bamboo chip of a mahjong mat, a detection mechanism of the visual detection device 1 needs a detection structure that the moving direction of the bamboo chip is consistent with the length direction, and the detection structure is more accurate, so, the width of the material channel can be set to be the width of the bamboo chip, so that only the bamboo chip with the moving direction being consistent with the length direction can pass through the material channel, and the bamboo chip which cannot pass through the material channel is blocked by the blocking part 233. The blocking member 233 is provided at both sides with falling passages 234, and the blocked materials (e.g., bamboo chips) fall from the falling passages 234.

As a further improvement of the above embodiment, the visual inspection device further comprises a feeding device 4, a material recovery and conveying device 6 is arranged at the lower part of the falling channel 234, the discharging end of the material recovery and conveying device 6 extends to the feeding device, and the material falling from the falling channel 234 is conveyed to the feeding device 4 by the material recovery and conveying device 6. The material falling from the falling channel 234 cannot be detected because of its direction, and the material reclaim conveyor 6 conveys this portion of material back to the feeder 4, which feeds it back for detection.

Referring to fig. 1, as a further improvement of the above embodiment, the visual inspection apparatus further includes a feeding device 4, a discharging end of the feeding device 4 is located above a feeding end of the first conveying device 21, the feeding end of the feeding device 4 is lower than the discharging end thereof, a conveying speed of the feeding device 4 is lower than a driving speed of the first conveying device 21, and the first conveying device 21 disperses the material.

As a further improvement of the above embodiment, the feeding device 4 includes a feeding conveyer 41 and a material container 42, the feeding conveyer 41 penetrates the material container 42, the surface of the feeding conveyor belt 413 is uneven, and when the feeding conveyer 41 passes through the material container 42, the material is taken out along with the feeding conveyor belt 413 and conveyed to the first conveyer 21.

As a further improvement of the above embodiment, the feeding conveyor 41 includes a first feeding wheel 411, a second feeding wheel 412 and a feeding conveyor belt 413, the feeding conveyor belt 413 surrounds the first feeding wheel 411 and the second feeding wheel 412, and a feeding section of the feeding conveyor belt 413 penetrates through the material container 42. The feeding section is a section of the conveyor belt 223 on which material is located during operation of the feeding conveyor belt 413.

Referring to fig. 1, as a further improvement of the above embodiment, the visual inspection device further includes a sorting mechanism 5 and a control device, the sorting mechanism 5 is connected to the control device, data information captured by the detection mechanism 1 is transmitted to the control device, and the control device controls the sorting mechanism 5 to sort the materials according to pre-stored information. Specifically, the sorting mechanism 5 includes an automatic valve 51 and a plurality of passages 52, the passages 52 are communicated with the automatic valve 51, the automatic valve 51 is electrically connected with a control device, and the control device controls the automatic valve 51 to open and close, so that different types of materials fall into the different passages 52. The electromagnetic valve is an air valve or an electromagnetic valve.

Referring to fig. 2 and 5, as a further modification of the above embodiment, the visual inspection apparatus further includes a through-hole detection mechanism 7, the through-hole detection mechanism 7 includes a first through-hole detection sliding surface 71 and a second through-hole detection sliding surface 72, the second through-hole detection sliding surface 72 is inclined downward to facilitate detection of a through-hole in the material, and further, the second through-hole detection sliding surface 72 is inclined downward at an angle of 30 ° to 60 °. The through hole detection mechanism 7 further comprises a position detection camera device 73 and a through hole visual detection device, the position detection camera device 73 and the through hole visual detection device are connected with the control device, and a lens of the position detection camera device 73 faces the first through hole detection sliding surface 71 and is used for detecting whether the position of the material meets the requirement or not. The through hole visual detection device is used for detecting a through hole of a material on the second through hole detection sliding surface 72, the position detection camera device 73 is used for shooting the material on the first through hole detection sliding surface 71, whether the direction of the detected material (such as bamboo chips for a mahjong mat) is proper or not is detected, whether a through hole is formed in the detected material by the through hole visual detection device or not is prepared, if the direction of the material is proper, whether the through hole is formed in the detected material by the through hole visual detection device or not can be detected by the through hole visual detection device, and otherwise, the detection result of the through hole visual detection device is inaccurate.

In a further preferred embodiment, the second through hole visual inspection device includes an irradiation light source 75, a light receiving plate 76 and a detection element 74, the irradiation light source 75 and the light receiving plate 76 are respectively located on two sides of the second through hole detection sliding surface 72, and are arranged oppositely, the irradiation light source 75 faces the material located on the second through hole detection sliding surface 72, and the detection element 74 is used for detecting whether there is a transmission light spot on the light receiving plate 76. Specifically, the detecting member 74 may be a sensor or an imaging device. For example, in the detection of a bamboo piece of a mat for mahjong, if a through hole through which a connection line passes is provided in the bamboo piece, light from the light source 75 can be projected onto the light receiving plate 76 through the through hole to form a light spot, and the detection piece 74 passes the bamboo piece if the light spot is detected, and fails if the light spot is not detected.

In a further preferred embodiment, a rejecting device is further arranged on one side of the first through hole detection sliding surface and connected with a position detection camera device, and a signal detected by the position detection camera device controls the rejecting device to reject materials which do not conform to the preset orientation. Specifically, the removing device is an air valve which can blow off unqualified materials; the removing device can also be a mechanical arm which takes off unqualified materials.

Referring to fig. 1, in a preferred embodiment, the first falling device 13 is a through hole detection mechanism 7. The second through-hole detection sliding surface 72 is a guide surface of the first sliding device 13, and the position detection imaging device 73 is the second imaging device 141.

The visual detection device is provided with the first conveying device 21 and the second conveying device 22, the conveying speed of the first conveying device 21 is lower than that of the second conveying device 22, dense materials can be dispersed, and the visual detection device detects the materials in the process that the materials fall off from the dispersing mechanism 2, so that automatic detection is achieved, manpower and material resources are saved, and efficiency is high.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (12)

1. A visual detection device is characterized by comprising a detection mechanism, wherein the detection mechanism comprises a first sliding device, a second sliding device, a first camera device and a second camera device, the first sliding device and the second sliding device are obliquely arranged, and materials slide to a guide surface of the first sliding device from a dispersion mechanism and then fall to a guide surface of the second sliding device from the first sliding device; the material turns over when falling to the guide surface of the second sliding device from the first sliding device, so that the material turns over from a first state to a second state, the first camera device is used for shooting the material in the first state, and the second camera device is used for shooting the material in the second state.

2. The visual inspection device of claim 1, wherein the direction of movement of the material on the first slide is at an angle of 30 ° to 100 ° to the direction of travel of the material on the dispersion mechanism and the direction of movement of the material on the second slide is at an angle of 80 ° to 150 ° to the direction of travel of the material on the dispersion mechanism.

3. The visual inspection device of claim 1, wherein the direction of movement of the material on the first falling device is at an angle of 75 ° to the direction of travel of the material on the dispersion mechanism and the direction of movement of the material on the second falling device is at an angle of 105 ° to the direction of travel of the material on the dispersion mechanism.

4. The visual inspection device of claim 3, wherein the first falling device has a conveying speed of 0.01-2 m/s; the visual detection device also comprises a control device, and the first camera device and the second camera device are connected with the control device.

5. The visual inspection device of claim 4, wherein the first slide down device has a transport speed of 0.5 to 1.5 m/s.

6. The visual inspection device of claim 1, further comprising a dispensing mechanism, said dispensing mechanism including a first conveyor and a second conveyor, a discharge end of said first conveyor being positioned above an input end of said second conveyor such that material falling from said first conveyor falls on said input end of said second conveyor, a conveying speed of said first conveyor being less than a conveying speed of said second conveyor; the detection mechanism is located at the discharge end of the dispersion mechanism, and when the material drops from the discharge end of the dispersion mechanism, the detection mechanism detects the material.

7. The visual inspection device of claim 6, wherein the second conveyor comprises a power unit, a first transmission wheel, a second transmission wheel, and a second conveyor belt, the second conveyor belt being looped around the first transmission wheel and the second transmission wheel, a power output shaft of the power unit being connected to the first transmission wheel and/or the second transmission wheel, thereby driving the second conveyor belt to rotate around the first transmission wheel and the second transmission wheel; the second conveying device is also fixedly provided with a channel divider, the channel divider comprises a divider bracket and a divider body, the divider body is fixed on the divider bracket, a plurality of material channels are arranged on the divider body at intervals, the width of each material channel is larger than that of one material and smaller than that of two materials, the divider body is also provided with a vibrator, the vibrator drives the divider body to vibrate, and the vibrator is provided with a switch button; and/or the presence of a gas in the gas,

the first conveying device is a vibrating device, the vibrating device comprises a disc body and a vibrator, and the vibrator drives the disc body to vibrate.

8. The visual inspection device of claim 6, wherein the dispensing mechanism further comprises a third conveyor, the discharge end of the second conveyor being positioned above the feed end of the third conveyor such that material falling from the second conveyor falls onto the feed end of the third conveyor, the second conveyor having a lower conveying speed than the third conveyor; the third conveying device comprises a driving wheel, a third conveying belt, a third support and blocking pieces, the driving wheel drives the third conveying belt to rotate, the blocking pieces are fixed on the third support and located on the upper portion of the third conveying belt, material channels are formed between every two adjacent blocking pieces, the width of each material channel is matched with the size of each material, the materials can only pass through the material channels in a preset direction, and falling channels are arranged on two sides of each blocking piece.

9. The vision inspection device of claim 8, further comprising a loading device, wherein a material recovery conveyor is provided at a lower portion of the drop channel, a discharge end of the material recovery conveyor extends to the loading device, and material falling from the drop channel is conveyed by the material recovery conveyor to the loading device.

10. The visual inspection device of claim 6, further comprising a loading device, wherein the discharge end of the loading device is located above the feed end of the first conveyor, the loading end of the loading device is lower than the discharge end of the loading device, and the conveying speed of the loading device is less than the driving speed of the first conveyor;

the feeding device comprises a feeding conveying device and a material containing container, and the feeding conveying device penetrates through the material containing container;

the feeding conveying device comprises a first feeding wheel, a second feeding wheel and a feeding conveying belt, the feeding conveying belt surrounds the first feeding wheel and the second feeding wheel, a feeding section of the feeding conveying belt penetrates through the material containing container, and the surface of the feeding conveying belt is arranged in a rugged manner.

11. The visual inspection device of claim 1, further comprising a sorting mechanism and a control device, wherein the sorting mechanism is connected to the control device, data information detected by the detection mechanism is transmitted to the control device, and the control device controls the sorting mechanism to sort the materials according to pre-stored information; alternatively, the first and second electrodes may be,

the visual detection device also comprises a through hole detection mechanism; alternatively, the first and second electrodes may be,

the first sliding device is a through hole detection mechanism.

12. The vision inspection device of claim 1, further comprising a through-hole inspection mechanism, said through-hole inspection mechanism comprising a first through-hole inspection slide and a second through-hole inspection slide, said second through-hole inspection slide being inclined downwardly, said through-hole inspection mechanism further comprising a position inspection camera and a through-hole vision inspection device, said position inspection camera having a lens facing said first through-hole inspection slide, said position inspection camera being adapted to inspect through-holes of material located on said second through-hole inspection slide; the second through hole visual detection device comprises an irradiation light source, a light receiving plate and a detection piece, wherein the irradiation light source and the light receiving plate are respectively positioned on two sides of the second through hole detection sliding surface and are arranged oppositely, the irradiation light source faces to materials positioned on the second through hole detection sliding surface, and the detection piece is used for detecting whether a transmission light spot exists on the light receiving plate; and a rejecting device is further arranged on one side of the first through hole detection sliding surface and is connected with the position detection camera device, and the rejecting device is controlled by a signal detected by the position detection camera device to reject materials which do not conform to a preset direction.

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