CN113640311A - Visual detection device for paper extraction and detection machine comprising same - Google Patents
Visual detection device for paper extraction and detection machine comprising same Download PDFInfo
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- CN113640311A CN113640311A CN202110901780.7A CN202110901780A CN113640311A CN 113640311 A CN113640311 A CN 113640311A CN 202110901780 A CN202110901780 A CN 202110901780A CN 113640311 A CN113640311 A CN 113640311A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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Abstract
本发明公开了一种抽纸视觉检测装置，包括机架、检测输送部件和视觉检测部件，检测输送部件与所述机架固定连接，且抽纸置于所述检测输送部件上；视觉检测部件与所述机架固定连接，且设置在所述检测输送部件的上方，且所述视觉检测部件的检测端位于所述抽纸处；本发明通过设置视觉检测部件，对抽纸的前端面、后端面、侧面以及顶面进行图像采集，然后通过控制器分析得出对应面的包装是否存在不合格，实现了高速高效的机器检测。
The invention discloses a paper extraction visual detection device, comprising a frame, a detection conveying part and a visual detection part, the detection conveying part is fixedly connected with the frame, and the paper extraction is placed on the detection conveying part; the visual detection part It is fixedly connected with the frame, and is arranged above the detection and conveying component, and the detection end of the visual detection component is located at the paper extraction place; the present invention provides a visual detection component to the front end of the paper extraction, The rear face, side face and top face are imaged, and then the controller analyzes whether the packaging of the corresponding face is unqualified, realizing high-speed and high-efficiency machine inspection.
Description
Technical Field
The invention relates to the field of packaging, in particular to a visual detection device for tissue and a detection machine comprising the same.
Background
In the production of the paper extraction at the present stage, the outer package of the paper extraction needs to be detected so as to determine the end sealing condition, the side sealing condition, the top surface appearance and the like. Most of the existing methods adopt manual detection, and the recognition rate and accuracy are poor.
Disclosure of Invention
The invention aims to solve the technical problem that the detection and identification rate and accuracy of the tissue package are poor, and aims to provide a visual tissue detection device and a detection machine comprising the same, so that the problem of detection of the external tissue package is solved.
The invention is realized by the following technical scheme:
a visual inspection device for tissue comprising:
a frame;
the detection conveying component is fixedly connected with the rack, and the paper extraction is arranged on the detection conveying component;
the visual detection part is fixedly connected with the rack and arranged above the detection conveying part, and the detection end of the visual detection part is positioned at the paper extraction position;
the visual inspection part includes:
the front end face image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the front end face image acquisition assembly faces to a first end cover of the paper extraction;
the rear end face image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the rear end face image acquisition assembly faces to a second end cover of the paper extraction;
the side image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the side image acquisition assembly faces to a side sealing surface of the paper extraction;
the top surface image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the top surface image acquisition assembly faces the top surface of the paper extraction;
and the controller is used for processing the images acquired by the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly and controlling the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly.
Specifically, the front end face image capturing assembly includes:
the front end face camera is obliquely arranged above the paper extraction, and a lens of the front end camera is obliquely downward and faces to a first end cover of the paper extraction;
the front end face light source is fixedly arranged above the paper extraction and is positioned between the front end face camera and the paper extraction;
the distance between the lowest end of the front end face camera and the lowest end of the front end face light source and the detection conveying component is larger than the thickness of the paper extraction, and the front end face camera and the front end face light source are electrically connected with the controller.
Specifically, the rear end face image capturing assembly includes:
the rear end face camera is obliquely arranged on the side face of the paper extraction, and a lens of the rear end camera is horizontally arranged and faces the side sealing face of the paper extraction;
the rear end face light source is fixedly arranged above the paper extraction and is positioned between the rear end face camera and the paper extraction;
the distance between the lowest end of the rear end face camera and the lowest end of the rear end face light source and the detection conveying component is larger than the thickness of the paper extraction, and the rear end face camera and the rear end face light source are electrically connected with the controller.
Specifically, the side image capture assembly comprises:
the side camera is horizontally arranged on one side of the paper extraction, and a lens of the side camera is horizontally arranged and faces to the side sealing surface of the paper extraction;
the side surface light source is fixedly arranged above the paper extraction;
the distance between the lowest end of the side camera and the lowest end of the side light source and the detection conveying part is larger than the thickness of the paper extraction, and the side camera and the side light source are both electrically connected with the controller.
Specifically, the top surface image capturing assembly includes:
the top surface camera is vertically arranged right above the paper extraction, and a lens of the top surface camera faces downwards vertically and faces the top surface of the paper extraction;
the top surface light source is fixedly arranged right above the paper extraction and is positioned at the periphery of the top surface camera;
the distance between the lowest end of the top surface camera and the lowest end of the top surface light source and the detection conveying component is larger than the thickness of the paper extraction, and the top surface camera and the top surface light source are electrically connected with the controller.
Specifically, the detection conveyance member includes:
detecting a motor;
the detection driving shaft is rotatably connected with the rack and is in power connection with the torque output end of the detection motor through a conveyor belt;
the detection driven shaft is rotatably connected with the rack, the detection driven shaft and the detection driving shaft are arranged in parallel, and the detection driving shaft and the detection driven shaft are positioned on the same horizontal plane;
the detection belt is sleeved between the detection driving shaft and the detection driven shaft, and the paper extraction is positioned on the detection belt;
the detection photoelectric detection switch is fixedly arranged on one side of the detection belt and is positioned below the detection end of the visual detection part, and the signal output end of the detection photoelectric detection switch is electrically connected with the control signal input end of the visual detection part.
A visual inspection machine for tissue comprising:
a visual inspection device for paper extraction as described above;
the discharge hole of the feeding conveying component is connected with the feed hole of the detection conveying component;
and a feed inlet of the discharge conveying component is connected with a discharge outlet of the detection conveying component.
Specifically, the feed conveying member includes:
a feeding motor;
the feeding driving shaft is rotatably connected with the rack and is in power connection with a torque output end of the feeding motor through a conveying belt;
the feeding driven shaft is rotatably connected with the rack, the feeding driven shaft is arranged in parallel with the feeding driving shaft, and the feeding driving shaft and the feeding driven shaft are positioned on the same horizontal plane;
the feeding belt is sleeved between the feeding driving shaft and the feeding driven shaft, and the paper extraction is located on the feeding belt.
Specifically, the outfeed transport component comprises:
a discharging motor;
the discharging driving shaft is rotatably connected with the rack and is in power connection with the torque output end of the discharging motor through a conveying belt;
the discharging driven shaft is rotatably connected with the rack, the discharging driven shaft is arranged in parallel with the discharging driving shaft, and the discharging driving shaft and the discharging driven shaft are positioned on the same horizontal plane;
the discharging belt is sleeved between the discharging driving shaft and the discharging driven shaft, and the paper extraction is positioned on the discharging belt;
the discharging photoelectric detection switch is fixedly arranged on one side of the discharging belt, and a signal end of the discharging photoelectric detection switch is electrically connected with a signal end of the controller;
the waste discharge component is fixedly arranged on one side of the discharge belt and acts on the paper extraction positioned on the discharge belt, and a control signal input end of the waste discharge component is electrically connected with a signal output end of the controller.
Preferably, the material conveying speed of the feeding conveying component is lower than that of the detection conveying component, and the material conveying speed of the detection conveying component is lower than that of the discharging conveying component.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the invention, the visual detection part is arranged to collect images of the front end face, the rear end face, the side face and the top face of the paper extraction, and then the controller is used for analyzing whether the package of the corresponding face is unqualified or not, so that high-speed and high-efficiency machine detection is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a visual inspection unit according to the present invention.
Fig. 2 is a top view of a visual inspection unit according to the present invention.
Fig. 3 is a side view of a visual inspection unit according to the present invention.
Fig. 4 is another side view of a visual inspection component according to the present invention.
Fig. 5 is a front view of a test transport component according to the present invention.
Fig. 6 is a top view of a test transport component according to the present invention.
Fig. 7 is a schematic structural diagram of a visual inspection machine for paper extraction according to the invention.
Fig. 8 is a front view of a feed transport component according to the present invention.
Fig. 9 is a top view of a feed transport component according to the present invention.
FIG. 10 is a front view of a feed transport component according to the present invention.
FIG. 11 is a top view of a feed transport component according to the present invention.
FIG. 12 is a side view of a feed transport component according to the present invention.
Reference numerals: 100-paper extraction, 10-visual detection part, 20-feeding conveying part, 30-detection conveying part and 40-discharging conveying part.
11-frame, 12-rear end face camera, 13-rear end face light source, 14-front end face light source, 15-front end face camera, 16-top face camera, 17-top face light source, 18-side face light source and 19-side face camera.
21-feeding belt, 22-feeding driven shaft, 23-feeding motor and 24-feeding driving shaft.
31-detecting belt, 32-detecting driven shaft, 33-detecting motor, 34-detecting driving shaft and 35-detecting photoelectric detecting switch.
41-discharging belt, 42-discharging driven shaft, 43-discharging motor, 44-discharging driving shaft, 45-discharging photoelectric detection switch and 46-waste discharge component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
A visual detection device for paper extraction comprises a frame 11, a detection conveying component 30 and a visual detection component 10.
The frame 11 in this embodiment may have various structures, and its main purpose is to fix and support the positions of the respective components, and therefore, the specific structure thereof is not limited as long as the fixing purpose can be achieved.
The rack 11 used in the following embodiments may be an extension of the same rack 11 or an integral structure of a plurality of different racks 11, as in the present embodiment, in which the function of the rack 11 is the same.
The structure of the frame 11 can be selected by those skilled in the art according to specific situations, and sheet metal plastic spraying is adopted.
The detection conveying component 30 is fixedly connected with the rack 11, and the paper extraction 100 is arranged on the detection conveying component 30;
the paper 100 to be inspected is inputted from the upward moving one process by the inspection conveying part 30 and is placed below the visual inspection part 10.
The visual detection part 10 is fixedly connected with the frame 11 and arranged above the detection conveying part 30, and the detection end of the visual detection part 10 is positioned at the paper extraction 100;
the paper 100 on the inspection conveying member 30 is visually inspected by the inspection end of the visual inspection member 10.
The visual inspection part 10 includes a front end surface image acquisition assembly, a rear end surface image acquisition assembly, a side surface image acquisition assembly, a top surface image acquisition assembly, and a controller.
Before the description of the structure of the visual inspection unit 10, the respective faces of the paper extraction 100 are explained.
The conventional paper extraction 100 includes six sides, a bottom side, a top side, and four side sides.
The bottom surface is the surface contacted with the table top.
The top surface is a surface provided with a tearing opening for drawing out the paper towel.
Four sides, two end covers, one side cover and one side.
The end cover is a surface on which both ends of the paper 100 are sealed.
The side cover is the side sealing surface of the paper 100.
The side face is a face without any seal.
In the present embodiment, two end covers are named a first end cover and a second end cover, wherein the first end cover is set as a front end surface and the second end cover is set as a rear end surface, with the moving direction of the paper 100 on the detection conveying unit 30 as front and rear.
The front end face image acquisition assembly is fixedly connected with the rack 11, and an image acquisition end of the front end face image acquisition assembly faces a first end cover of the paper extraction 100;
and acquiring image data of the front end face.
The rear end face image acquisition assembly is fixedly connected with the rack 11, and an image acquisition end of the rear end face image acquisition assembly faces a second end cover of the paper extraction 100;
and acquiring image data of the rear end face.
The side image acquisition assembly is fixedly connected with the rack 11, and an image acquisition end of the side image acquisition assembly faces a side cover of the paper extraction 100;
image data of the side covers is collected.
The top surface image acquisition assembly is fixedly connected with the rack 11, and an image acquisition end of the top surface image acquisition assembly faces the top surface of the paper extraction 100;
image data of the top surface is collected.
The controller is used for processing the images acquired by the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly and controlling the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly.
Carry out the analysis to the image data that preceding terminal surface image acquisition subassembly, rear end face image acquisition subassembly, side image acquisition subassembly, top surface image acquisition subassembly gathered, the analysis content includes:
analyzing appearance defects of the front end face and the rear end face through images acquired by the front end face image acquisition assembly and the rear end face image acquisition assembly, wherein the appearance defects comprise end seal edge warping, end seal damage, interface adhesive tapes and the like;
through the image of side image acquisition subassembly collection, the analysis is carried out to offside front cover appearance defect, include: side seal dislocation, side seal deflection, side seal edge cutting and tail retaining, side seal paper towel end page whitening, side seal damage and the like;
through the image of top surface image acquisition subassembly collection, carry out the analysis to top surface appearance defect, include: pattern shift, left and right white exposure, top surface damage, easy-to-tear opening damage and the like;
the dimensional defects of the paper extraction 100 are analyzed by combining the image data acquired by the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly, wherein the dimensional defects comprise single package length, single package height, single package squareness and the like.
The image processing algorithm can adopt a commonly used algorithm at the present stage, can effectively identify the acquired image, and detects the area size, the position coordinates, the defect type and the like of the defect, and a person skilled in the art can apply related technologies according to the requirement.
Example two
This embodiment describes the distance between the image capturing assemblies in the first embodiment.
The front end face image acquisition assembly comprises a front end face camera 15 and a front end face light source 14.
The front end face camera 15 is obliquely arranged above the paper 100, the lens of the front end face camera is obliquely downward and faces the first end cover of the paper 100, and the front end face light source 14 is fixedly arranged above the paper 100 and is positioned between the front end face camera 15 and the paper 100;
since the front-end-face camera 15 is disposed in the moving direction of the paper 100, it is necessary to dispose it above the paper 100 and shoot obliquely downward.
Fill light is carried out to the first end cover of paper extraction 100 through preceding terminal surface light source 14, then shoots through preceding terminal surface camera 15 to paper extraction 100, realizes image acquisition.
The front-end light source 14 may be an independent light source or an integrated light source integrated with the front-end camera 15.
The front end face camera 15 can also be a camera to realize the shooting of a single picture, and can also be a video recorder to realize long-time video recording and aim at selecting a corresponding frame to realize the shooting.
The distance between the lowest end of the front end face camera 15 and the lowest end of the front end face light source 14 and the detection conveying component 30 is larger than the thickness of the paper extraction 100, and the front end face camera 15 and the front end face light source 14 are both electrically connected with the controller.
Since the paper 100 needs to be moved on the inspection conveying member 30, it is necessary to avoid interference of the leading end image capturing assembly with the paper 100, and therefore, it is necessary to secure a distance between the leading end image capturing assembly and the inspection conveying member 30.
And the specific distance can be adjusted according to the actual condition and the definition of the camera, so that clear photographing can be realized and interference can be avoided.
The rear end face image acquisition assembly comprises a rear end face camera 12 and a rear end face light source 13.
The rear end face camera 12 is obliquely arranged on the side face of the paper 100, and the lens of the rear end camera is horizontally arranged and faces the side cover of the paper 100; the rear end face light source 13 is fixedly arranged above the paper extraction 100 and is positioned between the rear end face camera 12 and the paper extraction 100;
the distance between the lowest end of the rear end face camera 12 and the lowest end of the rear end face light source 13 and the detection conveying component 30 is larger than the thickness of the paper extraction 100, and the rear end face camera 12 and the rear end face light source 13 are both electrically connected with the controller.
The structure and the working principle are similar to those of the front end face image acquisition assembly, and the detailed description is omitted.
The side image capture assembly includes a side camera 19 and a side light source 18.
The side camera 19 is horizontally arranged on one side of the paper 100, the lens of the side camera 19 is horizontally arranged and faces the side cover of the paper 100, and the side light source 18 is fixedly arranged above the paper 100;
the side camera 19 is disposed at a side of the paper 100 and is not located on a conveying path of the paper 100, so that it may be disposed in parallel with the paper 100 to facilitate image capture of the side cover, or may be disposed obliquely to the front camera 15 and the rear camera 12.
The distance between the lowest end of the side camera 19 and the lowest end of the side light source 18 and the detection conveying part 30 is larger than the thickness of the paper extraction 100, and both the side camera 19 and the side light source 18 are electrically connected with the controller.
The working principle is similar to that of the front end face image acquisition assembly, and the detailed description is omitted.
The top image capturing assembly includes a top camera 16 and a top light source 17.
The top camera 16 is vertically arranged right above the paper 100, and a lens of the top camera 16 is vertically downward and faces the top surface of the paper 100; the top light source 17 is fixedly arranged right above the paper extraction 100 and is positioned around the top camera 16;
the overhead light source 17 may be an LED light panel and has a through hole in the middle thereof for the overhead camera 16 to pass through. Or may be a plurality of light sources parallel to the overhead camera 16.
The distance between the lowest end of the top surface camera 16 and the lowest end of the top surface light source 17 and the detection conveying component 30 is larger than the thickness of the paper extraction 100, and both the top surface camera 16 and the top surface light source 17 are electrically connected with the controller.
The working principle is similar to that of the front end face image acquisition assembly, and the detailed description is omitted.
EXAMPLE III
The present embodiment describes the detection conveying member 30, which includes a detection motor 33, a detection driving shaft 34, a detection driven shaft 32, a detection belt 31, and a detection photoelectric detection switch 35.
The detection driving shaft 34 is rotatably connected with the rack 11, and the detection driving shaft 34 is in power connection with a torque output end of the detection motor 33 through a conveyor belt;
the detection driven shaft 32 is rotatably connected with the rack 11, the detection driven shaft 32 is parallel to the detection driving shaft 34, and the detection driving shaft 34 and the detection driven shaft 32 are in the same horizontal plane;
the detection belt 31 is sleeved between the detection driving shaft 34 and the detection driven shaft 32, and the paper extraction 100 is positioned on the detection belt 31;
the purpose of conveying the paper 100 on the detection belt 31 is realized by the belt conveying mechanism formed by the detection driving shaft 34, the detection driven shaft 32 and the detection belt 31. And is conveyed in a direction in which the second end cover of the paper 100 faces the first end cover of the paper 100.
The detection photoelectric detection switch 35 is fixedly arranged at one side of the detection belt 31 and is positioned below the detection end of the visual detection part 10, and the signal output end of the detection photoelectric detection switch 35 is electrically connected with the control signal input end of the visual detection part 10.
By arranging the detection photoelectric detection switch 35 on one side of the detection belt 31, the position of the paper 100 on the detection belt 31 is determined by the detection photoelectric detection switch 35, and when the detection photoelectric detection switch 35 detects that the paper 100 moves to the detection position of the visual detection part 10, the detection photoelectric detection switch controls the front end face camera 15, the rear end face camera 12, the side face camera 19 and the top face camera 16 to acquire images of the paper 100.
Example four
The embodiment provides a visual detection machine for paper extraction, which comprises the three embodiments, wherein the visual detection machine for paper extraction comprises a visual detection device for paper extraction, a feeding conveying component 20 and an discharging conveying component 40.
The discharge hole of the feeding conveying component 20 is connected with the feed hole of the detection conveying component 30, and the feed hole of the discharging conveying component 40 is connected with the discharge hole of the detection conveying component 30;
the conveying surface of the feeding conveying component 20, the conveying surface of the detection conveying component 30 and the conveying surface of the discharging conveying component 40 can be located on the same horizontal plane and can also be reduced step by step, the material conveying speed of the feeding conveying component 20 is smaller than that of the detection conveying component 30, and the material conveying speed of the detection conveying component 30 is smaller than that of the discharging conveying component 40.
The material conveying speed of the feeding conveying component 20 is greater than that of the front-end conveying line, and the material conveying speed is mainly used for pulling the distance between two adjacent packages of paper extraction 100 so as to avoid photo interference caused by too close distance between two adjacent packages of paper extraction 100 during visual detection. After the distance is pulled, the detected paper 100 is conveyed to the detection conveying component 30.
The material conveying speed of the detection conveying component 30 is slightly greater than that of the feeding conveying component 20, so that the paper extraction 100 is prevented from jumping in the conveying process to influence the visual detection photographing effect. The detected paper 100 triggers the photoelectric detection switch, the PLC sends a photographing instruction, and the visual detection part 10 starts to photograph the detected paper 100.
The material conveying speed of the discharging conveying component 40 is slightly greater than that of the detecting conveying component 30, so that the paper extraction 100 is prevented from being jammed in the conveying process.
The feeding conveying part 20 includes a feeding motor 23, a feeding driving shaft 24, a feeding driven shaft 22, and a feeding belt 21.
Feeding driving shaft 24 and 11 rotatable coupling of frame, and feeding driving shaft 24 passes through the conveyer belt and is connected with feeding motor 23's torque output end power, feeding driven shaft 22 and 11 rotatable coupling of frame, feeding driven shaft 22 and feeding driving shaft 24 parallel arrangement, and feeding driving shaft 24 and feeding driven shaft 22 are in same horizontal plane, feeding belt 21 suit is between feeding driving shaft 24 and feeding driven shaft 22, paper extraction 100 is located feeding belt 21.
The purpose of conveying the paper 100 on the feeding belt 21 is achieved through the belt conveying mechanism of the feeding driving shaft 24, the feeding driven shaft 22 and the feeding belt 21. And is conveyed in a direction in which the second end cover of the paper 100 faces the first end cover of the paper 100.
The discharging conveying component 40 comprises a discharging motor 43, a discharging driving shaft 44, a discharging driven shaft 42 and a discharging belt 41.
The discharging driving shaft 44 is rotatably connected with the rack 11, and the discharging driving shaft 44 is in power connection with the torque output end of the discharging motor 43 through a conveyor belt;
the discharging driven shaft 42 is rotatably connected with the rack 11, the discharging driven shaft 42 is arranged in parallel with the discharging driving shaft 44, and the discharging driving shaft 44 and the discharging driven shaft 42 are positioned on the same horizontal plane;
the discharging belt 41 is sleeved between the discharging driving shaft 44 and the discharging driven shaft 42, and the paper extraction 100 is positioned on the discharging belt 41;
the purpose of conveying the paper 100 on the discharging belt 41 is realized through the belt conveying mechanism of the discharging driving shaft 44, the discharging driven shaft 42 and the discharging belt 41. And is conveyed in a direction in which the second end cover of the paper 100 faces the first end cover of the paper 100.
EXAMPLE five
In the present embodiment, a waste discharge unit 46 is added to the discharge conveying unit 40, and the purpose of the waste discharge unit is to remove the defective paper 100 detected by the visual detection unit 10 from the production line.
The discharging conveying part 40 also comprises a discharging photoelectric detection switch 45 and a waste discharging part 46.
The discharging photoelectric detection switch 45 is fixedly arranged on one side of the discharging belt 41, and the signal end of the discharging photoelectric detection switch 45 is electrically connected with the signal end of the controller;
the controller determines the unqualified paper extraction 100, when the paper extraction 100 moves from the visual conveying component to the discharging conveying component 40, the discharging photoelectric detection switch 45 detects the position of the paper extraction 100, and when the paper extraction 100 reaches the signal, the signal is transmitted to the controller.
The waste discharge component 46 is fixedly arranged on one side of the discharging belt 41 and acts on the paper extraction 100 on the discharging belt 41, and a control signal input end of the waste discharge component 46 is electrically connected with a signal output end of the controller.
When the waste discharge part 46 receives the waste discharge signal from the controller, it operates and applies an acting force to the paper 100 on the discharging belt 41 to separate the paper 100 from the discharging belt 41, thereby realizing the waste discharge operation.
Two embodiments of the waste component 46 are provided below:
in the embodiment of the invention, the waste discharge part 46 comprises an air pump and an air nozzle, the air injection direction of the air nozzle is perpendicular to the discharge direction of the discharge belt 41, and the air injection direction of the air nozzle is parallel to the plane of the discharge belt 41, when waste discharge is required, the air pump works to enable high-pressure air to be injected from the air nozzle and act on the paper extraction 100 to blow the paper extraction 100 away from the discharge belt 41.
In the second embodiment, the waste discharging component 46 includes a telescopic rod, the telescopic direction of the telescopic rod is perpendicular to the discharging direction of the discharging belt 41, and the telescopic direction of the telescopic rod is parallel to the plane of the discharging belt 41, when waste discharging is required, the telescopic rod extends and acts on the paper 100 to push the paper 100 away from the discharging belt 41.
It should be noted that the controller in all the above embodiments includes an image processor and a PLC.
The image processor is an industrial personal computer, and is provided with image processing software which is responsible for analyzing pictures shot by the cameras and processing images of the rear camera 12, the front camera 15, the top camera 16, the side camera 19, the detection photoelectric detection switch 35 and the discharge photoelectric detection switch 45.
The PLC is an electric appliance control, and is responsible for controlling the photographing time of the rear-end camera 12, the front-end camera 15, the top-surface camera 16, and the side-surface camera 19, the light supplement of the rear-end light source 13, the front-end light source 14, the top-surface light source 17, and the side-surface light source 18, and the waste discharge operation of the waste discharge unit 46.
And the PLC can also control the working states of the feeding motor 23, the detection motor 33 and the discharging motor 43.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other variations or modifications may be made on the above invention and still be within the scope of the invention.
Claims (10)
1. A visual inspection device for tissue, comprising:
a frame;
the detection conveying component is fixedly connected with the rack, and the paper extraction is arranged on the detection conveying component;
the visual detection part is fixedly connected with the rack and arranged above the detection conveying part, and the detection end of the visual detection part is positioned at the paper extraction position;
the visual inspection part includes:
the front end face image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the front end face image acquisition assembly faces to a first end cover of the paper extraction;
the rear end face image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the rear end face image acquisition assembly faces to a second end cover of the paper extraction;
the side image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the side image acquisition assembly faces to a side sealing surface of the paper extraction;
the top surface image acquisition assembly is fixedly connected with the rack, and an image acquisition end of the top surface image acquisition assembly faces the top surface of the paper extraction;
and the controller is used for processing the images acquired by the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly and controlling the front end face image acquisition assembly, the rear end face image acquisition assembly, the side face image acquisition assembly and the top face image acquisition assembly.
2. The visual inspection device of claim 1, wherein the front image capture assembly comprises:
the front end face camera is obliquely arranged above the paper extraction, and a lens of the front end camera is obliquely downward and faces to a first end cover of the paper extraction;
the front end face light source is fixedly arranged above the paper extraction and is positioned between the front end face camera and the paper extraction;
the distance between the lowest end of the front end face camera and the lowest end of the front end face light source and the detection conveying component is larger than the thickness of the paper extraction, and the front end face camera and the front end face light source are electrically connected with the controller.
3. The visual inspection device of claim 1, wherein the rear image capture assembly comprises:
the rear end face camera is obliquely arranged on the side face of the paper extraction, and a lens of the rear end camera is horizontally arranged and faces the side sealing face of the paper extraction;
the rear end face light source is fixedly arranged above the paper extraction and is positioned between the rear end face camera and the paper extraction;
the distance between the lowest end of the rear end face camera and the lowest end of the rear end face light source and the detection conveying component is larger than the thickness of the paper extraction, and the rear end face camera and the rear end face light source are electrically connected with the controller.
4. The visual inspection device of claim 1, wherein the side image capture assembly comprises:
the side camera is horizontally arranged on one side of the paper extraction, and a lens of the side camera is horizontally arranged and faces to the side sealing surface of the paper extraction;
the side surface light source is fixedly arranged above the paper extraction;
the distance between the lowest end of the side camera and the lowest end of the side light source and the detection conveying part is larger than the thickness of the paper extraction, and the side camera and the side light source are both electrically connected with the controller.
5. The visual inspection device of claim 1, wherein the top image capturing assembly comprises:
the top surface camera is vertically arranged right above the paper extraction, and a lens of the top surface camera faces downwards vertically and faces the top surface of the paper extraction;
the top surface light source is fixedly arranged right above the paper extraction and is positioned at the periphery of the top surface camera;
the distance between the lowest end of the top surface camera and the lowest end of the top surface light source and the detection conveying component is larger than the thickness of the paper extraction, and the top surface camera and the top surface light source are electrically connected with the controller.
6. The visual inspection device of claim 1, wherein the inspection transport component comprises:
detecting a motor;
the detection driving shaft is rotatably connected with the rack and is in power connection with the torque output end of the detection motor through a conveyor belt;
the detection driven shaft is rotatably connected with the rack, the detection driven shaft and the detection driving shaft are arranged in parallel, and the detection driving shaft and the detection driven shaft are positioned on the same horizontal plane;
the detection belt is sleeved between the detection driving shaft and the detection driven shaft, and the paper extraction is positioned on the detection belt;
the detection photoelectric detection switch is fixedly arranged on one side of the detection belt and is positioned below the detection end of the visual detection part, and the signal output end of the detection photoelectric detection switch is electrically connected with the control signal input end of the visual detection part.
7. A visual inspection machine for tissue, comprising:
a visual detection device of tissue as claimed in any one of claims 1 to 6;
the discharge hole of the feeding conveying component is connected with the feed hole of the detection conveying component;
and a feed inlet of the discharge conveying component is connected with a discharge outlet of the detection conveying component.
8. The visual inspection machine of claim 7, wherein the infeed conveyor component comprises:
a feeding motor;
the feeding driving shaft is rotatably connected with the rack and is in power connection with a torque output end of the feeding motor through a conveying belt;
the feeding driven shaft is rotatably connected with the rack, the feeding driven shaft is arranged in parallel with the feeding driving shaft, and the feeding driving shaft and the feeding driven shaft are positioned on the same horizontal plane;
the feeding belt is sleeved between the feeding driving shaft and the feeding driven shaft, and the paper extraction is located on the feeding belt.
9. The visual inspection machine of claim 7, wherein the outfeed transport component comprises:
a discharging motor;
the discharging driving shaft is rotatably connected with the rack and is in power connection with the torque output end of the discharging motor through a conveying belt;
the discharging driven shaft is rotatably connected with the rack, the discharging driven shaft is arranged in parallel with the discharging driving shaft, and the discharging driving shaft and the discharging driven shaft are positioned on the same horizontal plane;
the discharging belt is sleeved between the discharging driving shaft and the discharging driven shaft, and the paper extraction is positioned on the discharging belt;
the discharging photoelectric detection switch is fixedly arranged on one side of the discharging belt, and a signal end of the discharging photoelectric detection switch is electrically connected with a signal end of the controller;
the waste discharge component is fixedly arranged on one side of the discharge belt and acts on the paper extraction positioned on the discharge belt, and a control signal input end of the waste discharge component is electrically connected with a signal output end of the controller.
10. The visual inspection machine of claim 7, wherein the material transport speed of the infeed conveyor member is less than the material transport speed of the inspection conveyor member, and wherein the material transport speed of the inspection conveyor member is less than the material transport speed of the outfeed conveyor member.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110901780.7A CN113640311A (en) | 2021-08-06 | 2021-08-06 | Visual detection device for paper extraction and detection machine comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110901780.7A CN113640311A (en) | 2021-08-06 | 2021-08-06 | Visual detection device for paper extraction and detection machine comprising same |
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| CN113640311A true CN113640311A (en) | 2021-11-12 |
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Application publication date: 20211112 |