CN220795003U - Detection equipment for optical detection of plant fiber ware - Google Patents

Abstract

The utility model relates to a detection device for optically detecting plant fiber objects, which comprises a transmission carrier, a first light source, a first shooting device and a second shooting device, wherein the transmission carrier on the transmission device is used for transmitting a plurality of plant fiber objects, the transmission carrier on the transmission device is at least provided with a transparent area, the first light source is positioned at one side of the transmission carrier, the first shooting device is positioned at the other side of the transmission carrier, when the detection device operates, the plant fiber objects are irradiated into a semitransparent state by the first light source, then the first shooting device is used for shooting an image of the plant fiber objects in the semitransparent state, and the second shooting device penetrates through the transparent area of the transmission carrier to shoot an inner surface image of the plant fiber objects.

Description

Detection equipment for optical detection of plant fiber ware

Technical Field

The utility model relates to the technical field of optical detection equipment, in particular to detection equipment for detecting plant fiber ware by using optics.

Background

The general optical detection equipment shoots and collects images of products through a camera, then compares the collected images with standard images of qualified products, and detects defects of the products through image processing.

Referring to fig. 12, an optical detection apparatus for detecting a plant fiber device in the prior art, specifically taking a plant fiber cup cover 1 as an example, is suitable for detecting an external surface defect and an internal surface defect of the plant fiber cup cover 1, and includes a first conveyor belt 91 and a second conveyor belt 92 sequentially arranged along a conveying direction, wherein the first conveyor belt 91 and the second conveyor belt 92 are respectively in a ring shape, a discharge end 911 of the first conveyor belt 91 extends below the second conveyor belt 92, a plurality of adsorption holes distributed circumferentially are formed on a bottom side of the second conveyor belt 92, a suction device 921 is arranged in the second conveyor belt 92, the suction device 921 is suitable for forming a vacuum in the adsorption hole on the bottom side of the second conveyor belt 92, a first photographing device 931 is arranged above the first conveyor belt 91, the first photographing device 931 is suitable for photographing an external surface image of the plant fiber 1 on the first conveyor belt 91, and a second photographing device 932 is arranged below the second conveyor belt 92, and is suitable for photographing an internal surface image 932 of the plant fiber 1 on the second conveyor belt 92; when the plant fiber cup cover 1 is conveyed to the discharging end 911 by the first conveying belt 91, the plant fiber cup cover 1 is adsorbed by the second conveying belt 92 through the adsorption hole at the bottom side of the second conveying belt 92, and the adsorbed plant fiber cup cover 1 is conveyed continuously by the second conveying belt 92.

The optical detection device for detecting plant fiber objects in the prior art has the following defects:

1. the existing optical detection device for detecting the plant fiber ware can only detect the outer surface defects (the outer surface defects comprise outer surface dirt, unclear outer surface patterns, broken outer surface, missing outer surface part product structures and the like) and the inner surface defects (the inner surface defects comprise inner surface dirt, unclear outer surface patterns, broken inner surface, missing inner surface part product structures and the like) of the plant fiber ware, but cannot detect the inner defects (the inner defects comprise inner cracks, uneven thickness, inner pores, over thin or over thick whole and the like) of the plant fiber ware;

2. in order to capture an image of the inner surface of the plant fiber object, the optical detection apparatus for detecting the plant fiber object is configured to adsorb the top of the plant fiber object through the adsorption hole at the bottom side of the second conveyor 92, so that the inner surface of the plant fiber object is presented to the second capturing device 932, but in practice, not all shapes of plant fiber objects can be adsorbed, such as:

referring to fig. 13, the plant fiber device is a plant fiber cup cover 94, which includes a cover plate 941, wherein an outer edge of the cover plate 941 extends downward to form a ring-shaped cover edge 942, and a C-shaped protrusion 943 is formed on the cover plate 941, and a longitudinal height of the protrusion 943 is higher than a top plane of the cover plate 941, so that the plant fiber cup cover 94 cannot be smoothly adsorbed on the second conveyor 92 due to the structure of the protrusion 943;

referring to fig. 14, the plant fiber device is another plant fiber cup cover, specifically a flip-top cup cover 95, a concave portion 951 with a notch facing upwards is formed at the top of the flip-top cup cover 95, a cover hole 952 is formed on the surface of the concave portion 951, a flip-top cover 953 capable of being folded is connected to one side of the cover hole 952, the shape of the cover hole 952 is matched with that of the flip-top cover 953, a protrusion 954 is formed on the flip-top cover 953, the longitudinal height of the protrusion 954 is higher than the top plane of the flip-top cover 953, a plurality of tearing strips 955 are arranged between the flip-top cover 953 and the cover hole 952 at intervals, and if the flip-top cup cover 95 is forcedly adsorbed on the second conveying belt 92, the flip-top cover 953 is folded downwards due to the pushing of the tearing strips 955 caused by the structure of the protrusion 954;

referring to fig. 15, the plant fiber device is a holy-substituted cup 96, which includes a cover plate 961, an annular rim 962 is provided at the outer edge of the cover plate 961, a concave portion 963 with an upward recess is formed on the cover plate 961, and the negative pressure formed in the concave portion 963 is insufficient to enable the holy-substituted cup 96 to be adsorbed on the second conveyor 92 because of a small top area of the holy-substituted cup 96, and the holy-substituted cup 96 is very easy to fall off from the second conveyor 92.

Disclosure of Invention

The utility model aims to provide a detection device for detecting plant fiber objects by using light, which can detect the defects on the inner surface and the defects in the plant fiber objects and is suitable for detecting plant fiber objects with all shapes.

To achieve the above object, the present utility model is:

a detection apparatus for optically detecting plant fiber implements, characterized by: the device comprises a conveying device for conveying a plurality of plant fiber objects, at least one light source and a plurality of shooting devices, wherein the conveying device comprises a conveying carrier, the conveying carrier on the conveying device is provided with at least one transparent area, the plurality of shooting devices comprise a first shooting device and a second shooting device, the at least one light source comprises a first light source, the first light source is positioned at one side of the conveying carrier, the first shooting device is positioned at the other side of the conveying carrier, namely, the first light source and the first shooting device are in a state that the conveying carrier is spaced between the first light source and the first shooting device, when the detecting device operates, the plurality of plant fiber objects are sequentially conveyed by the conveying carrier on the conveying device, the plant fiber objects are irradiated to be in a semitransparent state by the first light source at one side of the conveying carrier, the first shooting device at the other side of the conveying carrier is utilized to shoot images of the plant fiber objects in the semitransparent state, and the second shooting device penetrates through the transparent area of the conveying carrier to shoot the images of the plant fiber objects.

After the technical scheme is adopted, the plant fiber ware is irradiated into a semitransparent state by the first light source, then the first shooting device is used for shooting an image of the plant fiber ware in the semitransparent state, and internal defects (including internal cracks, uneven thickness, internal air holes, overall excessive thinness or excessive thickness and the like) of the plant fiber ware can be checked according to the brightness change of the light shadow on the image. The second shooting device shoots an inner surface image of the plant fiber ware sliding on the inclined slideway through the transparent area of the transmission carrier, and the shot image is compared with the standard image, so that the inner surface defect (the inner surface defect comprises inner surface dirt, unclear outer surface pattern, broken inner surface, missing inner surface part product structure and the like) of the plant fiber ware can be detected, and the hoop diameter size is detected. By means of the transparent area of the transmission carrier, the present utility model can inspect the inner surface defect of plant fiber without adsorbing the top of the plant fiber during detection, and is suitable for detecting plant fiber in all shapes.

Further, the transfer carrier comprises an inclined slideway for enabling the plurality of plant fiber articles to slide freely in sequence.

Further, the transfer carrier on the conveying device comprises a first conveying belt and the inclined slideway, the first conveying belt is positioned on the feeding side or the discharging side of the inclined slideway, the first conveying belt and the inclined slideway are respectively provided with the transparent areas, the first light source is arranged on the inner side of the first conveying belt, which is not used for placing plant fiber objects, the first shooting device is arranged on the outer side of the first conveying belt, which is used for placing plant fiber objects, and is positioned right above the first light source, and the second shooting device is arranged below the inclined slideway, which is not used for placing plant fiber objects.

Further, a plurality of adsorption holes which are spaced apart and circumferentially distributed are formed in the top side of the first conveying belt, a light shielding plate which is positioned above the first light source is arranged in the first conveying belt, a light transmitting hole is formed in the light shielding plate, irradiation light of the first light source is limited within the range of illuminating the outer outline of the plant fiber ware through the light transmitting hole, a suction device is arranged in the first conveying belt, the suction device comprises a plurality of shells which are respectively arranged on two sides of the first light source, at least one suction hole is formed in the shell and used for being connected with a suction device, and at least one suction hole which is long-strip-shaped and extends along the conveying direction of the plant fiber ware is formed in the top of the shell and is positioned below the adsorption hole on the top side of the first conveying belt; the inclined slideway is arranged on a frame body.

Further, an air blowing device is arranged on the outer side of the top of the inclined slideway, the air blowing device comprises a hollow cavity, at least one air inlet is formed in the hollow cavity and is used for being connected with an air blowing device, a plurality of air blowing holes which are arranged at intervals are formed in the bottom end face of the hollow cavity opposite to the inclined slideway, and the air blowing holes blow the top of the plant fiber ware, so that the plant fiber ware is clung to the inclined slideway to perform free sliding movement without flying away from the inclined slideway.

Further, a guiding structure is disposed on the outer side of the inclined slide, the guiding structure includes two first guiding plates disposed at intervals, the first guiding plates are disposed on the bottom end surface of the hollow cavity, the air blowing holes disposed by the air blowing device are disposed between the two first guiding plates, at least one first upper guiding plate is disposed on the opposite surfaces between the two opposite first guiding plates, a first guiding channel is formed by surrounding a common frame between the inclined slide, the hollow cavity, the two first guiding plates and the two first upper guiding plates, the outer side of the inclined slide near the bottom is disposed on the outer side of the inclined slide by a mounting plate, the two second upper guiding plates are disposed between the two second guiding plates, the top of the second guiding plate extends out of an inclined guiding plate, the mounting plate is combined with the frame, the top of the second upper guiding plate extends to the top of the first upper guiding plate, and the outer side of the inclined slide, the two second upper guiding plates and the first fibrous material pass through the first guiding channel, and the first fibrous material is formed by surrounding the first guiding channel.

Further, the first photographing device includes a first camera for photographing the top image of the plant fiber object, a fixing plate and a lifting plate, the fixing plate is connected with the lifting plate by a set of adjusting mechanisms, the adjusting mechanisms include a plurality of bearing seats, the bearing seats are arranged on the fixing plate, a vertical shaft is movably pivoted and fixed in each bearing seat, the bottom of the vertical shaft is fixed on the lifting plate, each vertical shaft is connected with each other by a synchronous belt to achieve the effect of synchronous adjustment, a knob is arranged at the top end of one of the adjusting mechanisms, the position height of the lifting plate is adjusted by rotating the knob of the adjusting mechanism, a through hole is arranged in the center of the lifting plate, the first camera is arranged above the through hole by arranging at least one fixing bracket on the lifting plate, a plurality of second cameras are further arranged on the lifting plate, the second cameras are used for photographing the outer side image of the plant fiber object, the first cameras can photograph the first camera and the second cameras can photograph the first camera by rotating the knob of the adjusting mechanism, and the second cameras can photograph the first camera and the second camera can take the image of the first camera.

Further, the second photographing device includes a third camera disposed below the frame.

Further, the transfer carrier on the conveying device comprises a first conveying belt arranged on the feeding side of the inclined slide rail and the inclined slide rail, a second conveying belt is arranged on the discharging side of the inclined slide rail, and a third shooting device is arranged above the second conveying belt.

Drawings

FIG. 1 is a view showing an example 1 of a detecting apparatus for detecting a plant fiber implement by optics according to the present utility model;

FIG. 2 is a view of an embodiment 2 of a detecting apparatus for optically detecting plant fiber implements according to the present utility model;

FIG. 3 is a view of an embodiment 3 of a detecting apparatus for optically detecting plant fiber implements of the present utility model;

FIG. 4 is a view of an embodiment 4 of a detecting apparatus for optically detecting plant fiber implements according to the present utility model;

FIG. 5 is a view showing an embodiment 5 of a detecting apparatus for optically detecting a plant fiber implement according to the present utility model;

FIG. 6 is a perspective view of FIG. 4;

FIG. 7 is a perspective view of the first conveyor belt of FIG. 6 with the first conveyor belt removed;

FIG. 8 is a perspective view of the inclined ramp;

FIG. 9 is another angular perspective view of the incline ramp;

fig. 10 is a perspective view of the first photographing device;

FIG. 11 is a view of example 6 of the detecting apparatus for optically detecting plant fiber implements of the present utility model;

FIG. 12 is a schematic diagram of a prior art optical inspection apparatus;

FIG. 13 is a perspective view of a plant fiber cap;

FIG. 14 is a perspective view of another plant fiber cap;

fig. 15 is a perspective view of another plant fiber implement.

Reference numerals illustrate:

the utility model comprises the following steps: 1, a plant fiber cup cover; 20 transfer carriers; 2 a first conveyor belt; a 21 adsorption hole; 22 light shielding plates; 221 light holes; 23 a housing; 231 air suction holes; 25 a first light source; 3, inclining the slideway; 31 frame bodies; 32 supporting foot frames; 33 a first annular light source; 4, an air blowing device; 41 a hollow cavity; 42 air inlets; 43 blow holes; 5 a guiding structure; 51 a first guide plate; 511 a first upper guide plate; 53 a first guide channel; 54 mounting plates; 55 a second guide plate; 551 inclined guide plate; 57 a second upper guide plate; 59 a second guide channel; 6, a first shooting device; 61 a first camera; 62 fixing plates; 63 lifting plates; 630 through holes; 631 fixing a bracket; 64 an adjustment mechanism; 641 bearing seats; 642 vertical axis; 643 synchronous belt; 644 a knob; 65 a second camera; 7, a second shooting device; 71 a third camera; 8, a second conveying belt; 81 third photographing means.

The prior art comprises the following steps: 1, a plant fiber cup cover; 91 a first conveyor belt; 911 discharge end; 92 a second conveyor belt; 921 suction means; 931 a first photographing device; 932 a second photographing device; 94 plant fiber cup cover; 941 cover plate; 942 ring type cover rim; 943 protrusions; 95 lifting mouth type cup cover; 951 recesses; 952 cover holes; 953 lifting the cover; 954 a protrusion; 955 tearing the tape; 96 holy cups; 961 cover plate; 962 cup rim; 963.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; "coupled" may be mechanical or electrical; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, the present utility model is a detection apparatus for detecting a plant fiber object, which is exemplified by a plant fiber cup cover 1 in the following embodiments. The detecting device comprises a conveying device for conveying a plurality of plant fiber cup covers 1, at least one light source and a plurality of shooting devices, and is not described in detail, because the conveying device is a device which is commonly known and used, the conveying device comprises a conveying carrier 20, the conveying carrier 20 on the conveying device is provided with at least one transparent area, the plurality of shooting devices comprise a first shooting device 6 and a second shooting device 7, at least one light source comprises a first light source 25, the first light source 25 is positioned on one side of the conveying carrier 20, the first shooting device 6 is positioned on the other side of the conveying carrier 20, namely, the first light source 25 and the first shooting device 6 are in a state of taking the conveying carrier 20 as a space, when the detecting device operates, the plant fiber cup covers 1 are irradiated to be in a semitransparent state by the first light source 25, then the first shooting device 6 is used for shooting images of the plant fiber cup covers 1 in the semitransparent state, whether the internal fiber structures of the plant fiber cup covers 1 are defective or not can be judged, the second light source 25 is positioned on one side of the conveying carrier 20, the first shooting device 6 is positioned on the other side of the conveying carrier 20, namely, the first light source 25 and the first shooting device 6 is positioned on the other side of the other than the conveying carrier 20, and the first shooting device is used for detecting the inner surface of the plant fiber cup covers 1 to be capable of checking the defect.

The transfer carrier 20 herein may be a single carrier or a carrier with different sections and different links, and the transferred objects are located on the transfer carrier 20 and transferred to the next operation area, and the transfer carrier 20 may be a power device for transmission or free sliding movement.

Referring to embodiment 1 shown in fig. 1, the present utility model is a detection apparatus for detecting plant fiber objects by using optics, comprising a transmission carrier 20, a first light source 25, a first photographing device 6 and a second photographing device 7, wherein the transmission carrier 20 can be an inclined slide 3 for enabling a plurality of plant fiber cup covers 1 to slide freely in sequence, the transmission carrier 20 on the transmission carrier 20 has at least a transparent area without a power device, the first light source 25 is disposed above a side of the transmission carrier 20 for placing plant fiber cup covers 1, the first photographing device 6 is disposed below a side of the transmission carrier 20 not for placing plant fiber cup covers 1 and is located in a direction opposite to the first light source 25, and the second photographing device 7 is disposed below a side of the transmission carrier 20 not for placing plant fiber cup covers 1.

The inclined slide 3 is a plate body arranged obliquely, the inclined slide 3 is a whole transparent plate body which can be made of a transparent material such as transparent glass, the inclined slide 3 can also be a partially transparent plate body, and the partially transparent mode can be that a transparent area is arranged on the inclined slide 3.

When the detection device operates, the plant fiber cup cover 1 is sequentially conveyed to the position right below the first light source 25, the plant fiber cup cover 1 is irradiated by the first light source 25 to be in a semitransparent state, the plant fiber cup cover 1 is placed in the transparent area of the transmission carrier 20, the first shooting device 6 penetrates through the transparent area of the transmission carrier 20, an image of the plant fiber cup cover 1 in the semitransparent state can be shot smoothly, and the second shooting device 7 shoots an image of the inner surface of the plant fiber cup cover 1 through the transparent area of the transmission carrier 20.

Referring to embodiment 2 shown in fig. 2, the first photographing device 6 is disposed above a side of the transfer carrier 20 for placing the plant fiber cup cover 1, and the first light source 25 is disposed below a side of the transfer carrier 20 not for placing the plant fiber cup cover 1; when the detection device is operated, the first light source 25 penetrates through the transparent area of the transmission carrier 20, the plant fiber cup cover 1 disposed above the transparent area of the transmission carrier 20 is irradiated by the first light source 25 to be in a semitransparent state, the first photographing device 6 photographs an image of the plant fiber cup cover 1 in the semitransparent state, and the second photographing device 7 photographs an image of the inner surface of the plant fiber cup cover 1 through the transparent area of the transmission carrier 20.

Referring to embodiment 3 shown in fig. 3, the transfer carrier 20 on the conveying device may be an endless first conveyor belt 2, the first conveyor belt 2 has a transparent area, the first light source 25 is disposed on an inner side of the first conveyor belt 2 where the plant fiber cup cover 1 is not disposed, the first photographing device 6 is disposed on an outer side of the first conveyor belt 2 where the plant fiber cup cover 1 is disposed, and is located directly above the first light source 25, and the second photographing device 7 is also disposed on an inner side of the first conveyor belt 2 where the plant fiber cup cover 1 is not disposed.

The first conveyor belt 2 is made of a transparent material, such as transparent PU or transparent silicone rubber, and the first conveyor belt 2 has a transparent structure, but of course, the first conveyor belt 2 may also have a partially transparent structure, and the partially transparent structure may be formed by providing a transparent area on the first conveyor belt 2.

Referring to embodiment 4 shown in fig. 4, the transfer carrier 20 on the conveying device may be composed of the first conveying belt 2 and the inclined slide 3, the first conveying belt 2 is located on the feeding side of the inclined slide 3, the first conveying belt 2 and the inclined slide 3 have transparent areas respectively, the first light source 25 is disposed on the inner side of the first conveying belt 2, which is not used for placing the plant fiber cup cover 1, the first photographing device 6 is disposed on the outer side of the first conveying belt 2, which is used for placing the plant fiber cup cover 1, and is located directly above the first light source 25, and the second photographing device 7 is disposed under the side of the inclined slide 3, which is not used for placing the plant fiber cup cover 1.

When the detection device operates, the plurality of plant fiber caps 1 are sequentially conveyed by the first conveying belt 2, when one plant fiber cap 1 on the first conveying belt 2 moves to a position right above the first light source 25, the first light source 25 penetrates through a transparent area of the first conveying belt 2, the plant fiber cap 1 is irradiated to be in a semitransparent state, the first photographing device 6 photographs an image of the plant fiber cap 1 in the semitransparent state, the plant fiber cap 1 continuously moved and output by the first conveying belt 2 is further advanced onto the inclined slide way 3, and the second photographing device 7 photographs an image of the inner surface of the plant fiber cap 1 through the transparent area of the inclined slide way 3.

Referring to embodiment 5 shown in fig. 5, the first conveyor belt 2 of the transfer carrier 20 of the conveying device may also be disposed on the discharging side of the inclined ramp 3.

In the embodiment 4 of fig. 6 and 7, the transfer carrier 20 on the conveying device may be composed of the first conveying belt 2 and the inclined slide 3, the first conveying belt 2 is located at the feeding side of the inclined slide 3, transparent areas are respectively provided on the first conveying belt 2 and the inclined slide 3, the first light source 25 is disposed at the inner side of the first conveying belt 2 where the plant fiber cup cover 1 is not disposed, the first photographing device 6 is disposed at the outer side of the first conveying belt 2 where the plant fiber cup cover 1 is disposed, and at the same time, directly above the first light source 25, and the second photographing device 7 is disposed at the lower side of the inclined slide 3 where the plant fiber cup cover 1 is not disposed.

Referring to embodiment 4 shown in fig. 6 to 10, a plurality of spaced and circumferentially distributed suction holes 21 are formed on the top side of the first conveyor belt 2, a light shielding plate 22 disposed above the first light source 25 is disposed in the first conveyor belt 2, a light transmitting hole 221 is formed on the light shielding plate 22, the light irradiated by the first light source 25 passes through the light transmitting hole 221, and then passes through a transparent region on the first conveyor belt 2 to form a suction hole only on the plant fiber cover 1, i.e., the light irradiated by the first light source 25 is limited to illuminate the outer contour range of the plant fiber cover 1 by the light transmitting hole 221, and the light irradiated by the first light source 25 does not interfere with the photographing result of the first photographing device 6, and a suction device is disposed in the first conveyor belt 2, and the suction device comprises at least one housing 23, in this embodiment, two housings 23 are disposed on both sides of the first light source 25, the housing 23 is formed with at least one suction hole (at least one suction hole is formed on the suction hole 231) and is not connected to the suction hole 231, and the suction device is formed in a state that the suction hole is extended along the top side of the suction hole 231 of the conveyor belt 1, and the suction hole is formed in a state that the suction hole is extended along the suction hole 231, and the suction hole is formed on the top side of the suction hole is formed by the suction hole.

The inclined slideway 3 is arranged on a frame 31, a plurality of supporting foot frames 32 are respectively arranged on two sides of the frame 31, a first annular light source 33 is arranged below the frame 31, a blowing device 4 is arranged on the outer side of the top of the inclined slideway 3, when the plant fiber cup cover 1 is about to enter the inclined slideway 3, the blowing device 4 can enable the plant fiber cup cover 1 to cling to the inclined slideway 3 for free sliding movement without flying away from the inclined slideway 3, a guiding structure 5 is arranged on the outer side of the inclined slideway 3, and the guiding structure 5 is used for guiding the free sliding movement of the plant fiber cup cover 1; because the plant fiber cup cover 1 conveyed by the first conveying belt 2 can generate larger inertia, the plant fiber cup cover 1 easily flies away from the inclined slide way 3 when entering the inclined slide way 3, the air blowing device 4 can prevent the plant fiber cup cover 1 from flying away from the inclined slide way 3 due to the inertia, and meanwhile, under the action of the guide structure 5, the track of the plant fiber cup cover 1 sliding on the inclined slide way 3 can not deviate.

Referring to fig. 8 and 9, the air blowing device 4 includes a hollow cavity 41, at least one air inlet 42 is provided on the hollow cavity 41, the air inlet 42 can be used for connecting an air blowing device, such as a blower or an air compressor, and a plurality of air blowing holes 43 are provided on the bottom surface of the hollow cavity 41 opposite to the inclined slide 3, and the air blowing holes 43 can blow air on the top of the plant fiber cup cover 1, so that the plant fiber cup cover 1 is tightly attached to the inclined slide 3 to perform free sliding movement.

The guiding structure 5 includes two first guiding plates 51 disposed at intervals, the first guiding plates 51 are disposed at the bottom end surface of the hollow cavity 41, the air blowing holes 43 disposed by the air blowing device 4 are disposed between the two first guiding plates 51, at least one first upper guiding plate 511 is disposed at the opposite surfaces between the two opposite first guiding plates 51, in this embodiment, each first guiding plate 51 includes a first upper guiding plate 511, the inclined slide 3, the hollow cavity 41, the two first guiding plates 51, a first guiding channel 53 is formed by a common frame between the two first upper guiding plates 511, the outer side surface of the inclined slide 3 near the bottom positions the two second guiding plates 55 and the two second upper guiding plates 57 outside the inclined slide 3 by means of a first mounting plate 54, the two second upper guiding plates 57 are disposed between the two second guiding plates 55, the top of the two second guiding plates 55 extends out of one inclined guiding plate 551, the two second guiding plates 54 and the two second guiding plates 31 are combined with the first upper guiding plates 59 and the two second guiding channels 59, and the two first guiding channels 59 and the two second fibrous material channels 59 are not inclined to form the first fibrous channels and the second fibrous channels 59 are inclined to the first fibrous channels and the second fibrous channels 59 are formed by the two upper guiding channels and the two fibrous channels 59 and the two fibrous channels are inclined to the first fibrous channels and the fibrous channels are not inclined to the fibrous channels and the fibrous channels are located on the top of the two fibrous channels and the two fibrous channels are located on the two fibrous channels and the fibrous channels.

Referring to fig. 10, the first photographing device 6 includes a first camera 61 for photographing the top surface image of the plant fiber cup cover 1, a fixing plate 62 and a lifting plate 63, the fixing plate 62 is connected with the lifting plate 63 by a set of adjusting mechanisms 64, the adjusting mechanisms 64 include a plurality of bearing seats 641, the bearing seats 641 are arranged on the fixing plate 62, a vertical shaft 642 is movably pivoted in each bearing seat 641, the bottom of the vertical shaft 642 is fixed on the lifting plate 63, and each vertical shaft 642 is mutually connected by a synchronous belt 643 to achieve synchronous adjustment, a knob 644 is arranged at the top end of one of the vertical shafts 642 in the adjusting mechanisms 64, the position height of the lifting plate 63 can be adjusted by rotating the knob 644 of the adjusting mechanism 64, the lifting plate 63 is provided with a through hole 630 in the center of the plate body, the lifting plate 63 is provided with at least one fixing bracket 631 to set the first camera 61 above the through hole 630, the lifting plate 63 is further provided with a plurality of second cameras 65, the second cameras 65 are used for shooting the external side images of the plant fiber cup cover 1, the position height of the lifting plate 63 can be adjusted by rotating the knob 644 of the adjusting mechanism 64, the position height of each second camera 65 and the position height of the first camera 61 can be synchronously adjusted, and the first camera 61 and the second camera 65 of the first shooting device 6 can completely shoot the images of the plant fiber cup cover 1 in a semitransparent state.

Referring to fig. 4 and 9, the second photographing device 7 is disposed below a side of the inclined slide 3 where the plant fiber cup cover 1 is not disposed, the second photographing device 7 includes a third camera 71 disposed below the frame 31, and the first annular light source 33 is used for illuminating the plant fiber cup cover 1 that slides down on the inclined slide 3 in sequence, so that the image captured by the third camera 71 is clearer.

Referring to embodiment 6 shown in fig. 11, the transfer carrier 20 of the conveying device may be provided with a second conveying belt 8 on the discharging side of the inclined slide 3, and a third photographing device 81 above the second conveying belt 8, in addition to the first conveying belt 2 and the inclined slide 3 as in the embodiment of fig. 6.

The working method of the detection device shown in fig. 11, and referring to fig. 6 and 7 simultaneously, comprises the following steps:

step 1: the plant fiber cup cover 1 is arranged with the opening facing downwards, the plant fiber cup cover 1 is conveyed by the first conveying belt 2, when the plant fiber cup cover 1 on the first conveying belt 2 moves to the upper part of the first light source 25, the first light source 25 irradiates the plant fiber cup cover 1 through a transparent area on the first conveying belt 2 to be in a semitransparent state, the first shooting device 6 shoots an image of the plant fiber cup cover 1 in the semitransparent state, the shot image is compared with a standard image, and internal defects (the internal defects comprise internal cracks, uneven thickness, internal pores, whole excessive thinness or excessive thickness and the like) of the plant fiber cup cover 1 can be checked according to the brightness change of the light and the shadow on the image;

step 2: the plant fiber cup cover 1 output by the first conveying belt 2 enters the inclined slide way 3, the plant fiber cup cover 1 on the inclined slide way 3 performs free sliding movement, the second shooting device 7 shoots an inner surface image of the plant fiber cup cover 1 sliding on the inclined slide way 3 through a transparent area on the inclined slide way 3, and the shot image is compared with a standard image, so that the inner surface defect (including inner surface dirt, unclear outer surface pattern, broken inner surface, missing inner surface product structure and the like) and the hoop diameter size of the plant fiber cup cover 1 can be detected;

step 3: when the plant fiber cup cover 1 output by the inclined slide way 3 enters the second conveyor belt 8 and moves below the third photographing device 81, the third photographing device 81 photographs an outer surface image of the plant fiber cup cover 1, and the photographed image is compared with a standard image, so that an outer surface defect (the outer surface defect comprises dirt on an outer surface, unclear outer surface pattern, damaged outer surface, missing outer surface product structure, and the like) of the plant fiber cup cover 1 can be detected.

In summary, the present utility model is a detection apparatus for optically detecting a plant fiber object, which takes a plant fiber cup cover 1 as an example, and includes a transfer carrier 20 provided with a conveying device, at least one light source, and a plurality of photographing devices, wherein the transfer carrier 20 on the conveying device has at least one transparent area, the plurality of photographing devices include a first photographing device 6 and a second photographing device 7, at least one light source includes a first light source 25, the first light source 25 is located at one side of the transfer carrier 20, the first photographing device 6 is located at the other side of the transfer carrier 20, when the detection apparatus is operated, the plurality of plant fiber cup covers 1 are sequentially conveyed by the transfer carrier 20, the plant fiber cup cover 1 is irradiated to be in a semitransparent state by the first light source 25 at one side of the transfer carrier 20, and then the image of the plant fiber cup cover 1 in the semitransparent state is photographed by the first photographing device 6 at the other side of the transfer carrier 20, so as to determine whether the internal fiber structure of the plant fiber cup cover 1 is defective, and the second photographing device 7 is located at the other side of the transfer carrier 20, and the image of the plant fiber cover 1 can be inspected by comparing the image of the transparent area of the plant fiber with the transparent area passing through the front surface of the transfer carrier 20 with the image 1; in the detection process, the detection equipment disclosed by the utility model can detect the defects of the inner surface of the plant fiber cup cover 1 without adsorbing the top of the plant fiber cup cover 1, so that the detection equipment disclosed by the utility model is suitable for detecting plant fiber devices in all shapes.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, the scope of which is defined by the appended claims.

Claims (9)

1. A detection apparatus for optically detecting plant fiber implements, characterized by: the device comprises a conveying device for conveying a plurality of plant fiber objects, at least one light source and a plurality of shooting devices, wherein the conveying device comprises a conveying carrier, the conveying carrier on the conveying device is provided with at least one transparent area, the plurality of shooting devices comprise a first shooting device and a second shooting device, the at least one light source comprises a first light source, the first light source is positioned at one side of the conveying carrier, the first shooting device is positioned at the other side of the conveying carrier, namely, the first light source and the first shooting device are in a state that the conveying carrier is spaced between the first light source and the first shooting device, when the detecting device operates, the plurality of plant fiber objects are sequentially conveyed by the conveying carrier on the conveying device, the plant fiber objects are irradiated to be in a semitransparent state by the first light source at one side of the conveying carrier, the first shooting device at the other side of the conveying carrier is utilized to shoot images of the plant fiber objects in the semitransparent state, and the second shooting device penetrates through the transparent area of the conveying carrier to shoot the images of the plant fiber objects.

2. The detection apparatus for optically detecting a plant fiber implement according to claim 1, wherein: the transfer carrier comprises an inclined slideway which is used for enabling a plurality of plant fiber devices to slide freely and move in sequence.

3. The detection apparatus for optically detecting a plant fiber implement according to claim 2, wherein: the conveying carrier on the conveying device comprises a first annular winding conveying belt and the inclined slide way, wherein the first conveying belt is positioned on the feeding side or the discharging side of the inclined slide way, the first conveying belt and the inclined slide way are respectively provided with the transparent areas, the first light source is arranged on the inner side of the first conveying belt, which is not used for placing plant fiber objects, the first shooting device is arranged on the outer side of the first conveying belt, which is used for placing plant fiber objects, and is positioned above the first light source, and the second shooting device is arranged below the inclined slide way, which is not used for placing plant fiber objects.

4. A detection apparatus for optically detecting plant fiber implements according to claim 3, wherein: the top side of the first conveying belt is provided with a plurality of adsorption holes which are spaced and circumferentially distributed, the first conveying belt is internally provided with a light shielding plate positioned above the first light source, the light shielding plate is provided with a light transmitting hole, the irradiation light of the first light source is limited within the range of illuminating the outline of the plant fiber ware by the light transmitting hole, the first conveying belt is internally provided with a suction device, the suction device comprises a plurality of shells, the shells are respectively arranged at two sides of the first light source, the shells are provided with at least one suction hole, the suction hole is used for being connected with a suction device, the top of the shell is provided with at least one suction hole which is long and extends and is arranged along the conveying direction of the plant fiber ware, and the suction hole is positioned below the adsorption hole at the top side of the first conveying belt; the inclined slideway is arranged on a frame body.

5. The detecting apparatus for optically detecting a plant fiber implement according to claim 4, wherein: the outer side of the inclined slideway at the top is provided with a blowing device, the blowing device comprises a hollow cavity, at least one air inlet is formed in the hollow cavity and is used for being connected with an air supply device, a plurality of air blowing holes which are arranged at intervals are formed in the bottom end face of the hollow cavity opposite to the inclined slideway, and the air blowing holes blow the top of the plant fiber ware, so that the plant fiber ware is clung to the inclined slideway to perform free sliding movement without flying away from the inclined slideway.

6. The detection apparatus for optically detecting a plant fiber implement according to claim 5, wherein: the outside of the inclined slideway is provided with a guide structure which comprises two first guide plates which are arranged at intervals, the first guide plates are arranged at the bottom end face of the hollow cavity, the air blowing holes arranged by the air blowing device are positioned between the two first guide plates, at least one first upper guide plate is arranged on the opposite faces between the two opposite first guide plates, a first guide channel is formed by surrounding a common frame among the inclined slideway, the hollow cavity, the two first guide plates and the two first upper guide plates, the inclined slideway is positioned at the outside face close to the bottom, the two second guide plates and the two second upper guide plates are positioned at the outside of the inclined slideway by a mounting plate, the two second upper guide plates are positioned between the two second guide plates, the top of the second guide plates extend out of an inclined guide plate, the mounting plate is combined with the frame body, the top of the second upper guide plates extends to the upper side of the first upper guide plate, and the inclined slideway, the two second upper guide plates, the two second guide plates and the first fibrous plant guide channel are formed by surrounding the common guide channel between the two second guide plates.

7. A detection apparatus for optically detecting plant fiber implements according to claim 3, wherein: the first photographing device comprises a first camera for photographing the top surface image of the plant fiber object, a fixed plate and a lifting plate, wherein the fixed plate is connected with the lifting plate through a group of adjusting mechanisms, the adjusting mechanisms comprise a plurality of bearing seats, the bearing seats are arranged on the fixed plate, a vertical shaft is movably pivoted and fixed in each bearing seat, the bottoms of the vertical shafts are fixed on the lifting plate, each vertical shaft is mutually connected through a synchronous belt to achieve the effect of synchronous adjustment, the top end of one vertical shaft in the adjusting mechanisms is provided with a knob, the position height of the lifting plate is adjusted through rotating the knob of the adjusting mechanisms, a through hole is formed in the center of the lifting plate, the first camera is arranged above the through hole through the arrangement of at least one fixed support, a plurality of second cameras are further arranged on the lifting plate, the second cameras are used for photographing the outer side surface image of the plant fiber object, the position of the lifting plate is adjusted through rotating the knob of the adjusting mechanisms, and each second camera can take the image of the first camera and the first camera in a complete state of the plant fiber object.

8. The detecting apparatus for optically detecting a plant fiber implement according to claim 4, wherein: the second shooting device comprises a third camera arranged below the frame body.

9. A detection apparatus for optically detecting plant fiber implements according to claim 3, wherein: the conveying carrier on the conveying device comprises a first conveying belt arranged on the feeding side of the inclined slide rail and the inclined slide rail, a second conveying belt arranged on the discharging side of the inclined slide rail, and a third shooting device arranged above the second conveying belt.