CN221361281U

CN221361281U - Product detection device

Info

Publication number: CN221361281U
Application number: CN202322904310.3U
Authority: CN
Inventors: 李维; 任弼荣; 夏全; 毛学
Original assignee: Hunan Victory Paper & Plastic Packing Co ltd; Lansi System Integration Co ltd
Current assignee: Hunan Victory Paper & Plastic Packing Co ltd; Lansi System Integration Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-07-19
Anticipated expiration: 2033-10-27

Abstract

The utility model relates to the field of paper product manufacturing, and discloses a product detection device, which comprises a rotary conveying mechanism, a feeding mechanism, a visual detection mechanism, a defective product discharging mechanism and a good product discharging mechanism, wherein the feeding mechanism, the visual detection mechanism, the defective product discharging mechanism and the good product discharging mechanism are sequentially distributed on the periphery of the rotary conveying mechanism, the rotary conveying mechanism is provided with a plurality of working heads capable of circularly revolving, the working heads are matched with products and are provided with a negative pressure working port communicated with a negative pressure air passage and a positive pressure working port communicated with a positive pressure air passage, the feeding mechanism is provided with a feeding passage facing the rotary conveying mechanism, the visual detection mechanism is provided with a visual detection area acting on the working heads, and the defective product discharging mechanism and the good product discharging mechanism are provided with a discharging passage facing the rotary conveying mechanism. The product detection device provided by the utility model has the advantages of simple structure and high production efficiency, and is beneficial to improving the product qualification rate.

Description

Product detection device

Technical Field

The utility model relates to the technical field of product detection, in particular to a product detection device.

Background

The detection modes of the products are various, and different detection requirements are specific to different products. Specifically, when carrying out the detection work of light products such as paper bowl, paper cup and paper bucket, traditional detecting mode adopts the gyro wheel material loading to match the mode of transfer chain and manual check often to go on, and this kind of mode production efficiency is lower, and the product is influenced by the operation environment easily and takes place secondary pollution in the circulation, can not satisfy the food level safety and sanitation requirement of product, has restricted the promotion of product qualification rate.

Disclosure of utility model

The utility model aims to overcome the problems in the prior art and provide a product detection device which has a simple structure and high production efficiency and is beneficial to improving the product qualification rate.

In order to achieve the above purpose, the utility model provides a product detection device, which comprises a rotary conveying mechanism, a feeding mechanism, a visual detection mechanism, a defective product discharging mechanism and a good product discharging mechanism, wherein the feeding mechanism, the visual detection mechanism, the defective product discharging mechanism and the good product discharging mechanism are sequentially distributed on the periphery of the rotary conveying mechanism in a surrounding mode, the rotary conveying mechanism is provided with a plurality of working heads capable of circularly revolving, the working heads are matched with products and are provided with a negative pressure working port communicated with a negative pressure air passage and a positive pressure working port communicated with a positive pressure air passage, the feeding mechanism is provided with a feeding channel facing the rotary conveying mechanism, the visual detection mechanism is provided with a visual detection area acting on the working heads, and the defective product discharging mechanism and the good product discharging mechanism are provided with a discharging channel facing the rotary conveying mechanism.

In some embodiments, the visual inspection mechanism may include a bottom visual inspection assembly disposed radially outward of the rotary conveyor mechanism, the visual inspection area including a bottom inspection area radially outward of the working head, the bottom visual inspection assembly being provided with the bottom inspection area.

In some embodiments, the bottom visual inspection assembly may include a bottom camera, a bowl-shaped light source, and a bottom inspection rack, the bottom camera and the bowl-shaped light source being disposed on the bottom inspection rack, the bottom camera being located below the bowl-shaped light source.

In some embodiments, the visual inspection mechanism may include a plurality of peripheral visual inspection assemblies arranged at intervals circumferentially around the inspection station, the visual inspection area including a plurality of peripheral inspection areas arranged around a peripheral wall of the work head, one of the peripheral inspection areas being provided for each of the peripheral visual inspection assemblies.

In some embodiments, the peripheral vision inspection assembly may include a peripheral camera, a strip light source, and a peripheral inspection frame on which the peripheral camera and the strip light source are disposed, the peripheral camera being located above the strip light source.

In some embodiments, the product detection device may further include a controller and a position sensor acting on the work head in the visual detection zone, the controller being communicatively connected to the visual detection mechanism and the position sensor, respectively, and configured to:

And controlling the start and stop of the visual detection mechanism according to the detection signal of the position sensor.

In some embodiments, the product detection device may further comprise a pneumatic control valve for controlling the on-off of the air sources of the negative pressure bottom suction air passage and the positive pressure bottom blowing air passage, the controller further being in communication with the pneumatic control valve and configured to:

And controlling the action of the pneumatic control valve according to the detection signal of the visual detection mechanism.

In some embodiments, the product detection device may further include a discharging fan, wherein the discharging channel of the good product discharging mechanism is arranged at the outer side of the rotary conveying mechanism along the radial direction of the rotary conveying mechanism, and an air outlet pipeline of the discharging fan is communicated with the discharging channel of the good product discharging mechanism.

In some embodiments, the product detection device may further include a device frame, the rotary conveying mechanism and the visual detection mechanism are disposed on an upper frame of the device frame, the discharging fan is disposed on a lower frame of the device frame, and the discharging channel of the good product discharging mechanism is vertically fixed at the top of the device frame.

In some embodiments, the rotary conveying mechanism further comprises a rotary frame, and the working heads can be provided with four and fixed on the rotary frame at intervals in the circumferential direction.

Through the technical scheme, the product detection device adopts the rotary conveying mechanism to transfer products, the feeding mechanism, the visual detection mechanism, the defective product discharging mechanism and the good product discharging mechanism are arranged at different circumferential positions on the outer circumferential side of the rotary conveying mechanism at intervals, and the working head can transfer the products to the feeding mechanism, the visual detection mechanism, the defective product discharging mechanism and the good product discharging mechanism during circulation revolution, so that automatic and efficient production is realized. And the visual detection mechanism can directly detect the products rotating to the visual detection area without additionally adding an intermediate circulation structure, so that the whole structure of the device is simpler and more compact, secondary pollution of paper containers in the circulation process can be effectively avoided, and the product qualification rate is effectively improved.

Drawings

FIG. 1 shows a schematic structural view of a product detection device according to an embodiment of the present utility model;

FIG. 2 is a front view of the product detection device of FIG. 1;

FIG. 3 shows a schematic view of the partial component structure of FIG. 1;

FIG. 4 is a side view of FIG. 3;

FIG. 5 shows a schematic structural view of the bottom vision inspection assembly of FIG. 3;

fig. 6 shows a schematic structural view of the peripheral vision inspection assembly in fig. 3.

Description of the reference numerals

1. Working head of rotating frame 2

31. Bottom vision detection component 311 bottom camera

312. Bowl-shaped light source 313 bottom detection frame body

32. Peripheral vision detection assembly 321 peripheral camera

322. Strip light source 323 circumference detection support body

4. Discharging pipeline of discharging fan 41

5. Good product discharging mechanism 6 device frame body

7. Material feeding channel 8 flaw product discharging mechanism

Detailed Description

The following describes specific embodiments of the present application in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.

As shown in fig. 1, 2, 3 and 4, the utility model provides a product detection device, which comprises a rotary conveying mechanism, a feeding mechanism, a visual detection mechanism, a defective product discharging mechanism and a good product discharging mechanism, wherein the feeding mechanism, the visual detection mechanism, the defective product discharging mechanism and the good product discharging mechanism are sequentially distributed around the periphery of the rotary conveying mechanism. The rotary conveying mechanism is provided with a plurality of working heads 2 which can circularly revolve, and the working heads 2 are matched with products and are provided with a negative pressure working port communicated with a negative pressure air passage and a positive pressure working port communicated with a positive pressure air passage. The feeding mechanism is provided with a feeding channel 7 facing the rotary conveying mechanism, the visual detection mechanism is provided with a visual detection area acting on the working head 2, and the defective product discharging mechanism 8 and the good product discharging mechanism 5 are respectively provided with a discharging channel facing the rotary conveying mechanism. So, work head 2 can pass through negative pressure work mouth and malleation work mouth when the circulation revolution and pass on the product to the feed mechanism that is arranged in different circumference positions, vision detection mechanism, flaw article discharge mechanism and good product discharge mechanism, realizes automatic high-efficient production.

Compared with the technical scheme that an intermediate circulation structure is required to be arranged between the rotary conveying mechanism and the visual detection mechanism in the prior art, the visual detection mechanism is arranged on the periphery of the detection station, so that the visual detection mechanism can directly detect products on the working head 2 positioned in the visual detection area without additionally adding the intermediate circulation structure, the overall structure of the device is simpler and more compact, secondary pollution of paper containers in the circulation process can be effectively avoided, and the product qualification rate is effectively improved.

The product detection device can be used for transferring and detecting thin-wall and light products, such as paper container products or light silica gel container products on the market.

In some embodiments, the rotary transport mechanism may further include a rotary frame 1, the rotary frame 1 being rotatable about its own axis, and the feeding, detecting, NG and discharging stations being circumferentially arranged at intervals around the axis of the rotary frame 1 on the outer peripheral side of the rotary frame 1. The feeding mechanism is arranged on the feeding station, the visual detection mechanism is arranged on the detection station, the defective product discharging mechanism is arranged on the NG station, and the good product discharging mechanism is arranged on the discharging station. Because feeding station, detection station, NG station and ejection of compact station interval arrangement are in the different circumference positions of the periphery side of swivel mount 1, work head 2 sets up on swivel mount 1, so, can drive work head 2 when swivel mount 1 rotates and rotate to the station that different circumference positions correspond.

Alternatively, as shown in fig. 1, 2, 3, and 4, the work head 2 is provided with four and circumferentially spaced on the rotary frame 1. The feeding mechanism can be arranged on one of the left side and the right side of the rotating frame 1, the flaw product discharging mechanism 8 is arranged on the other side of the left side and the right side of the rotating frame 1, the good product discharging mechanism 5 is arranged on the upper side of the rotating frame 1, and the visual detection mechanism is arranged on the lower side of the rotating frame 1.

When the working head 2 rotates to the feeding station and the detecting station, the negative pressure air channel of the working head 2 can be communicated with the negative pressure air channel of the product detecting device to generate negative pressure, and the working head 2 can suck and fix the paper container on the working head 2 through the negative pressure working port. When the working head 2 rotates to the discharging station, the positive pressure air passage of the working head 2 can be communicated with the positive pressure air passage of the product detection device to generate positive pressure, and the working head 2 can blow away the paper container through the positive pressure working port. When the working head 2 rotates to the NG station, the negative pressure air passage of the working head 2 can be communicated with the negative pressure air passage of the product detection device to generate negative pressure, the positive pressure air passage of the working head 2 can also be communicated with the positive pressure air passage of the product detection device to generate positive pressure, and when the workpiece is detected to be qualified, the negative pressure is larger than the positive pressure, and the working head 2 sucks paper containers (paper bowls, paper cups, paper drums and other paper products with bottom seals or paper products with bottom seals); when the workpiece is unqualified, the positive pressure is larger than the negative pressure, and the working head 2 blows off paper containers (paper bowls, paper cups, paper barrels and the like or paper products with bottom seals).

It should be noted that, the supply structures of the negative pressure air channel and the positive pressure air channel of the product detection device can be various, and the structures and principles are well known to those skilled in the art and do not belong to the core improvement part of the present application, so only a simple description is provided herein, and the supply structures of the negative pressure air channel and the positive pressure air channel are not repeated.

Optionally, the vision detection mechanism can replace human eyes to measure and judge the paper container through a camera and a light source by utilizing technologies such as computer image processing, artificial intelligence and the like, so that automatic production is realized.

The product detection device in the prior art adopts a mode of detecting while flowing, which leads to that a camera shoots a moving object and seriously influences the detection accuracy.

In some embodiments, to improve the accuracy of the detection, the rotary conveying mechanism of the present application employs a cross rotary frame, and the product detection device further includes a controller and a position sensor (not shown in the figure), the position sensor acting on the working head 2 in the visual detection area, the position sensor being used for detecting whether a paper container or the working head reaches the detection station, the controller being communicatively connected to the visual detection mechanism and the position sensor, respectively, and the controller being configured to:

Specifically, when the product rotates to the detection station, the rotating frame 1 stops rotating, and then the controller triggers the visual detection mechanism to start photographing and image acquisition, so that the detection accuracy can be effectively improved.

In addition, the product detection device may further include a pneumatic control valve (not shown in the figure) for controlling the on-off of the air sources of the negative airway pressure and the positive airway pressure, and the controller is further in communication with the pneumatic control valve and configured to:

Specifically, after the visual detection mechanism performs photographing and image acquisition detection on the paper container at the detection station, the rotary frame 1 rotates to the NG station with the paper container, if the detection and judgment result is NG, the controller controls the pneumatic control valve to block the air source of the negative pressure air passage so as to cut off negative pressure adsorption, and turns on the air source of the positive pressure air passage so as to realize positive pressure air blowing, and the paper container is blown away; if the detection and judgment result is OK, the rotary frame 1 can rotate to the discharging station with the paper container, and the controller can control the pneumatic control valve to lead the air source of the positive pressure air passage to realize positive pressure blowing to blow the paper container to the OK product packaging area.

Further, the visual inspection mechanism may include a bottom visual inspection assembly 31 disposed outside the rotary conveyor mechanism in a radial direction of the rotary conveyor mechanism, and the visual inspection area includes a bottom inspection area located outside the working head 2 in the radial direction of the rotary conveyor mechanism. As shown in fig. 1, 2, 3, and 4, the bottom visual inspection assembly 31 is disposed at the outer side of the inspection station in the radial direction of the rotary frame 1, and the bottom visual inspection assembly 31 is used for inspecting bottom defects of the paper container, such as breakage, dirt, wrinkles, and the like of the bottom of the paper container.

Still further, the bottom vision inspection assembly 31 may include a bottom camera 311, a bowl light source 312, and a bottom inspection rack 313. As shown in fig. 5, the bottom detection frame 313 has a plate shape, the bottom camera 311 is disposed at an upper portion of the bottom detection frame 313, the bowl-shaped light source 312 is disposed at a lower portion of the bottom detection frame 313, and the bottom camera 311 is disposed below the bowl-shaped light source 312. The bowl-shaped light source 312 may be provided with a middle hollow portion, and the bottom camera 311 shoots and detects upwards from the middle hollow portion.

Furthermore, the visual inspection mechanism may include a plurality of peripheral visual inspection assemblies 32, the visual inspection area including a plurality of peripheral inspection areas arranged around the peripheral wall of the work head 2, one of the peripheral inspection areas being provided for each peripheral visual inspection assembly 32. As shown in fig. 1, 2, 3, and 4, a plurality of peripheral vision inspection assemblies 32 are arranged at intervals around the circumference of the inspection station, and the plurality of peripheral vision inspection assemblies 32 are used for inspecting defects on the peripheral side surface of the paper container, for example, defects such as hemming damage, pop-out, dirt, ink, etc. on the surface of the paper container can be inspected at the same time. As shown in fig. 3, the peripheral vision inspection assembly 32 is provided with four and equally spaced circumferentially around the inspection station.

In addition, the peripheral vision inspection assembly 32 may include a peripheral camera 321, a strip light source 322, and a peripheral inspection frame 323. As shown in fig. 6, the peripheral portion detection frame 323 includes a vertical bar and a lateral bracket. The lateral support extends from the vertical bar laterally toward the inspection station, and the peripheral camera 321 and the strip light source 322 are disposed on the lateral support of the peripheral inspection rack 323, with the peripheral camera 321 being located above the strip light source 322.

In some embodiments, in order to meet the requirement of avoiding secondary pollution or reducing secondary pollution in the production process, the feeding of the product detection device is to convey the paper container to the rotary conveying mechanism through a pipeline, and convey the paper container to the packing area through the pipeline (blower blowing) after detection is completed.

Optionally, as shown in fig. 1 and fig. 2, the product detecting device may further include a discharging fan 4, where a discharging channel is disposed at an outer side of the discharging station along a radial direction of the rotary conveying mechanism, and an air outlet pipe 41 of the discharging fan 4 is communicated with the discharging channel of the good product discharging mechanism 5 and can blow air toward an outlet of the discharging channel of the good product discharging mechanism 5, so as to blow the paper container toward the packaging area.

In addition, the product detection device may further include a device frame 6, as shown in fig. 1 and 2, where the device frame 6 is square and has two interlayer spaces, and the two interlayer spaces are separated by a middle partition. The rotary conveying mechanism and the visual inspection mechanism are provided in the interlayer space of the upper layer frame of the apparatus frame 6, and the bottom inspection frame 313 and the peripheral inspection frame 323 are fixed to the intermediate partition plate. The blanking fan 4 is arranged in the interlayer space of the lower layer frame body of the device frame body 6, and the blanking channel of the good product discharging mechanism 5 is vertically fixed on the top cross beam of the device frame body 6.

Alternatively, as shown in fig. 1 and 2, a feed channel 7 is arranged outside the feed station in the radial direction of the rotary conveyor, the feed channel 7 being used to feed the working head 2 located in the feed station with paper containers to be inspected.

Alternatively, as shown in fig. 1 and 2, the discharging passage of the defective product discharging mechanism 8 is arranged outside the rotary conveying mechanism in the radial direction of the rotary conveying mechanism, and the discharging passage of the defective product discharging mechanism 8 is used for feeding out NG paper containers located on the working head 2 in the NG station.

Specifically, the product detection device of the application works as follows:

The paper container is sent to the working head 2 of the rotary frame 1 in the loading station through the feeding channel 7 (blowing by a fan) (the working head 2 can adopt a radial gas collecting mechanism or an end face gas collecting mechanism, namely, two air passages are included, one positive pressure blowing channel blows positive pressure, and the other negative pressure sucking channel sucks negative pressure, and the working head 2 in the loading station sucks the paper container by negative pressure; the rotating frame 1 rotates to a detection station (maintaining negative pressure adsorption) with the paper container, and the detection station photographs and picks up the picture of the paper container to judge whether the paper container is qualified. The rotary frame 1 rotates to an NG discharging station with the paper container, if the detection and judgment result is NG, negative pressure adsorption is disconnected through a pneumatic control valve, positive pressure blowing is opened, and the paper container is blown to an NG collecting area through a discharging channel of the defective product discharging mechanism 8; if the detection and judgment result is OK, the rotary frame 1 rotates to a discharging station with the paper container, and positive-pressure blowing is opened through a pneumatic control valve to blow the paper container to a discharging channel of the good product discharging mechanism 5; the blanking channel of the good product discharging mechanism 5 is communicated with the air outlet pipeline 41 of the blanking fan 4, and the blanking fan 4 blows the paper container in the blanking channel of the good product discharging mechanism 5 to the OK product packaging area.

In summary, the product detection device of the utility model comprises a rotating frame, a feeding mechanism, a visual detection mechanism, a defective product discharging mechanism, a good product discharging mechanism and other functional modules, so as to realize automatic detection, analysis, judgment and screening of paper containers. The visual detection mechanism can directly detect the paper container rotating to the detection station, and an intermediate circulation structure is not required to be additionally arranged, so that the whole structure of the device is simpler and more compact, secondary pollution of the paper container in the circulation process can be effectively avoided, and the product qualification rate is effectively improved. The peripheral side of the detection station adopts a mode of surrounding layout of 4 cameras, so that the peripheral side surface defects of the product can be detected simultaneously; the bottom side of the detection station adopts a camera, so that the bottom defect of the product can be detected. And when the paper container rotates to the detection station, the rotating frame can stop triggering the visual detection mechanism to take a picture again, so that the accuracy of detection is improved. In addition, the device is characterized in that the paper container is conveyed to the rotating frame through the pipeline, and the paper container is conveyed to the packing area through the pipeline after detection is completed, so that secondary pollution can be effectively avoided or reduced.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some 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 present application. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. The utility model provides a product detection device, its characterized in that, product detection device include rotatory conveying mechanism and encircle in proper order in feed mechanism, visual detection mechanism, flaw article discharge mechanism and the good product discharge mechanism of rotatory conveying mechanism week side, rotatory conveying mechanism has a plurality of working heads (2) that can circulate revolution, working head (2) and product adaptation have the negative pressure working opening of intercommunication negative pressure air flue and the positive pressure working opening of intercommunication positive pressure air flue, feed mechanism has orientation feeding channel (7) of rotatory conveying mechanism, visual detection mechanism is equipped with and acts on the visual detection area of working head (2), flaw article discharge mechanism (8) with good product discharge mechanism (5) all have the orientation rotary conveying mechanism's unloading passageway.

2. Product detection device according to claim 1, characterized in that the visual detection means comprise a bottom visual detection assembly (31) arranged outside the rotary conveyor in the radial direction of the rotary conveyor, the visual detection area comprising a bottom detection area outside the working head (2) in the radial direction of the rotary conveyor, the bottom visual detection assembly (31) being provided with the bottom detection area.

3. The product detection device of claim 2, wherein the bottom visual detection assembly (31) comprises a bottom camera (311), a bowl-shaped light source (312) and a bottom detection frame (313), the bottom camera (311) and the bowl-shaped light source (312) being arranged on the bottom detection frame (313), the bottom camera (311) being located below the bowl-shaped light source (312).

4. A product testing device according to claim 2 or 3, wherein the visual testing means comprises a plurality of peripheral visual testing assemblies (32), the visual testing areas comprising a plurality of peripheral testing areas arranged around the peripheral wall of the working head (2), one of the peripheral testing areas being provided for each of the peripheral visual testing assemblies (32).

5. The product detection device of claim 4, wherein the peripheral vision detection assembly (32) comprises a peripheral camera (321), a strip light source (322), and a peripheral detection frame (323), the peripheral camera (321) and the strip light source (322) being disposed on the peripheral detection frame (323), the peripheral camera (321) being located above the strip light source (322).

6. The product detection device of claim 1, further comprising a controller and a position sensor acting on the working head (2) in the visual detection area, the controller being communicatively connected to the visual detection mechanism and the position sensor, respectively, and configured to:

7. The product detection device of claim 6, further comprising a pneumatic control valve that acts on the source of gas for the negative pressure airway and the positive pressure airway, the controller further being communicatively coupled to the pneumatic control valve and configured to:

8. The product detection device according to claim 1, further comprising a blanking fan (4), wherein a blanking channel of the good product discharging mechanism (5) is arranged on the outer side of the rotary conveying mechanism along the radial direction of the rotary conveying mechanism, and an air outlet pipeline (41) of the blanking fan (4) is communicated with the blanking channel of the good product discharging mechanism (5).

9. The product detection device according to claim 8, further comprising a device frame (6), wherein the rotary conveying mechanism and the visual detection mechanism are arranged on an upper layer frame of the device frame (6), the discharging fan (4) is arranged on a lower layer frame of the device frame (6), and a discharging channel of the good product discharging mechanism (5) is vertically fixed at the top of the device frame (6).

10. Product detection device according to claim 1, characterized in that the rotary conveyor further comprises a rotating frame (1), the working heads (2) being provided with four and being arranged circumferentially spaced apart on the rotating frame (1).