CN113477550A - Glass bottle spraying line feeding position detection method and device - Google Patents

Glass bottle spraying line feeding position detection method and device Download PDF

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Publication number
CN113477550A
CN113477550A CN202110976361.XA CN202110976361A CN113477550A CN 113477550 A CN113477550 A CN 113477550A CN 202110976361 A CN202110976361 A CN 202110976361A CN 113477550 A CN113477550 A CN 113477550A
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Prior art keywords
glass bottle
detection
frame
spraying line
feeding position
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CN202110976361.XA
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Inventor
张魁东
李益民
崔颖
吴慧
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Anhui Shunding Atec Technology Co ltd
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Anhui Shunding Atec Technology Co ltd
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Priority to CN202110976361.XA priority Critical patent/CN113477550A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
    • B07C5/3408—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level for bottles, jars or other glassware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution

Abstract

The invention discloses a method and a device for detecting a feeding position of a glass bottle spraying line. The method comprises the following steps: arranging a plurality of detection stations at a feeding position of a glass bottle spraying line, respectively acquiring a plurality of images of a detection part of a glass bottle to be detected at each detection station, and recording a timestamp of a first image; processing the image obtained by each detection station by a computer vision method to obtain whether the current detection part of the glass bottle to be detected is qualified; summarizing the detection results of all detection parts of the same glass bottle to be detected according to a time interval correspondence method, and giving overall judgment; sending the result of the overall judgment to a motion control center; and the motion control center is controlled to kick off unqualified products at a material kicking position and send the qualified products into a glass bottle spraying line. The invention controls the product quality before spraying through the detection equipment, saves a large amount of spraying raw materials, avoids the waste of glass materials, and improves the product quality and the automation degree of production, thereby improving the production efficiency.

Description

Glass bottle spraying line feeding position detection method and device
Technical Field
The invention relates to the field of glass bottle spraying equipment, in particular to a method and a device for detecting a feeding position of a glass bottle spraying line.
Background
A series of defects such as bubbles, dirt, oil bubbles, cracks, gaps and the like often occur in the production of glass bottles, the appearance quality of products is firstly influenced by the defective glass bottles, and the specific defects can cause the glass bottles to be broken to generate potential safety hazards. Glass bottle manufacturers mostly adopt a manual detection method to control the quality. The missed detection rate is very high due to the problems of eyesight, detection level, responsibility and the like of detection personnel.
At present, most of glass bottles on the domestic spraying line are directly sprayed without secondary detection. Such defective glass products can only be detected after spraying, which results in a large waste of spraying material and glass. Therefore, glass spraying manufacturers urgently need automatic detection equipment to control the quality of products before spraying, and waste of raw materials is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a device for detecting a feeding position of a glass bottle spraying line.
In a first aspect, the invention provides a glass bottle spraying line feeding position detection method, which comprises the following steps:
arranging a plurality of detection stations at a feeding position of a glass bottle spraying line, respectively acquiring a plurality of images of a detection part of a glass bottle to be detected at each detection station, and recording a timestamp of a first image;
processing the image obtained by each detection station by a computer vision method to obtain whether the current detection part of the glass bottle to be detected is qualified;
summarizing the detection results of all detection parts of the same glass bottle to be detected according to a time interval correspondence method, and giving overall judgment;
sending the result of the overall judgment to a motion control center; and the motion control center is controlled to kick off unqualified products at a material kicking position and send the qualified products into a glass bottle spraying line.
Further, the glass bottle to be detected passes through each detection station in a self-rotating mode, and a plurality of images recorded by each detection station are uniformly distributed in the glass bottle to be detected in a self-rotating mode for one circle.
Furthermore, different preset light sources are arranged on each detection station according to different detection positions.
Further, the time interval correspondence method includes: according to the time stamp of the image acquired by each detection station and the time interval range of the same product passing through adjacent detection stations, the judgment result meeting the range is corresponding to the same product; and sending the discrimination result of the corresponding product to the marking station.
Further, when the running speed of the glass bottle spraying line is changed, the running parameters of the time interval corresponding method are adjusted by adopting an automatic calculation method of time intervals among stations; the automatic calculation method for the time interval between the stations comprises the following steps: and estimating the time difference between corresponding stations according to the distance ratio between the detection stations and the effective average time between the two glass bottles to be detected, extracting the time points which actually meet the estimated time, and calculating the average value of the actual time interval.
In a second aspect, the invention provides a glass bottle spraying line feeding position detection device, which comprises a frame, wherein the frame comprises a first frame and a second frame, the first frame is used for crossing over a glass bottle spraying line, a plurality of groups of induction switches are arranged on the first frame, and a plurality of groups of light sources are also arranged on the first frame; the glass bottle spraying line comprises a second frame and is characterized in that a detection camera and a host system are arranged on the second frame, the host system is electrically connected with the detection camera and the multiple groups of induction switches respectively, and the detection camera is used for photographing glass bottles on the glass bottle spraying line and transmitting photographing data to the host system.
As a preferred technical scheme of the invention: the second frame is further provided with a linear module, and the linear module is electrically connected with the host system.
As a preferred technical scheme of the invention: the straight line module is arranged on the second frame through a first adjusting bracket.
As a preferred technical scheme of the invention: the detection camera is arranged on the second frame through a second adjusting bracket.
As a preferred technical scheme of the invention: and a plurality of connecting rods are arranged below the second frame and are used for connecting the frame with the glass bottle spraying line.
The invention has the following beneficial effects:
1. the quality of the product is controlled before the spraying is finished through the automatic detection equipment, the unqualified product is removed out of the spraying line, a large amount of spraying raw materials are saved, the waste of glass materials is avoided, the product quality and the production automation degree are improved, and the production efficiency is improved.
2. Through the arrangement of the detection camera, the induction switch and the host system, the defect detection is carried out on the glass bottle based on machine vision, and the contact is not needed in the detection process, so that the fragile part is not abraded or dangerous; compared with manual detection, the detection quality is guaranteed, meanwhile, the working efficiency is improved, labor force is liberated, and the production cost is reduced.
3. The light source is arranged, so that the problem that the quality of camera shooting is not high in the detection process due to shading or illumination is avoided, and the detection quality is improved.
Drawings
Fig. 1 is a schematic flow chart of a method for detecting a feeding position of a glass bottle spraying line according to an embodiment of the present invention;
FIG. 2 is a block diagram of the architecture of one embodiment of the method of the present invention;
FIG. 3 is a top view of the overall structure of a feeding position detection device for a glass bottle spraying line according to an embodiment of the present invention;
FIG. 4 is a front view of the overall structure of the apparatus of the present invention;
FIG. 5 is a right side view of the overall construction of the apparatus of the present invention;
in fig. 3-5, 1, a frame, 2, a first frame, 3, a second frame, 4, a glass bottle spraying line, 5, a sensing switch, 6, a light source, 7, a glass bottle, 8, a detection camera, 9, a host system, 10, a linear module, 11, a first adjusting bracket, 12, a second adjusting bracket, 13, a first adjusting rod, 14, a second adjusting rod, 15, a connecting piece, 16, a connecting rod, 17, a universal wheel, 18, a connecting device, 19, a third adjusting rod, 20, a fourth adjusting rod, 21, and a first connecting piece.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides a method for detecting a feeding position of a glass bottle spraying line, which is used for detecting the defects of glass bottles at the feeding position of the glass bottle spraying line.
Fig. 1 is a flowchart illustrating an alternative embodiment of the method for detecting a material feeding position of a glass bottle spraying line. As shown in fig. 1, the method for detecting the feeding position of the glass bottle spraying line comprises the following steps:
s100, arranging a plurality of detection stations at a feeding position of a glass bottle spraying line, respectively acquiring a plurality of images of a detection part of a glass bottle to be detected at each detection station, and recording a timestamp of a first image;
s200, processing the image obtained by each detection station by a computer vision method to obtain whether the current detection part of the glass bottle to be detected is qualified;
s300, summarizing detection results of all detection parts of the same glass bottle to be detected according to a time interval correspondence method, and giving overall judgment;
s400, sending the result of the overall judgment to a motion control center; and the motion control center is controlled to kick off unqualified products at a material kicking position and send the qualified products into a glass bottle spraying line.
According to the method for detecting the feeding position of the glass bottle spraying line, the glass bottle to be detected is detected at the feeding position, unqualified glass bottles are removed, the unqualified glass bottles are prevented from entering the spraying line, waste of spraying raw materials and glass is avoided, the detection efficiency is improved, and the detection quality is ensured.
Optionally, in step S100, the glass bottle to be detected passes through each detection station in a self-rotating manner, and the multiple images recorded by each detection station are uniformly distributed in the glass bottle to be detected in a self-rotating manner. The images of multiple parts of the glass bottle to be detected are obtained through multiple stations and multiple angles, so that the glass bottle can be detected in an all-around mode, and missing detection is avoided.
And triggering the camera to take a picture immediately after the glass bottle arrives at the station. According to the production line speed and the rotation speed, the corresponding camera photographing frame rate and the corresponding frame number are set, and photos of the glass bottle at multiple angles can be uniformly obtained.
Single station: and obtaining the time and distance of one turn through the main line frequency and the autorotation frequency.
The time required for the glass bottle to rotate for one circle on line:
Figure BDA0003227468960000051
the glass bottle rotates on line for one circle to travel the distance:
Figure BDA0003227468960000052
wherein f is1Operating frequency of main line rotary shaft, f2To accelerate the operating frequency of the rotating shaft of the rotating chain, C is the outer circumference of the rotating gear of the product rotating shaft, k1、k2Is a frequency rotation speed coefficient, k3The ratio coefficient of the size of the rotation shaft gear to the size of the rotation shaft of the acceleration rotation chain is shown. C. k is a radical of1、k2、k3Can be obtained by field measurement or calculation.
Optionally, in step S100, different preset light sources are arranged on each detection station according to different detection positions. Different preset light sources are adopted for different defects, so that the defects can be more clearly shown.
Optionally, in step S300, the time interval correspondence method includes: according to the time stamp of the image acquired by each detection station and the time interval range of the same product passing through adjacent detection stations, the judgment result meeting the range is corresponding to the same product; and sending the discrimination result of the corresponding product to the marking station.
Optionally, when the running speed of the glass bottle spraying line is changed, the running parameters of the time interval corresponding method are adjusted by adopting an inter-station time interval automatic calculation method; the automatic calculation method for the time interval between the stations comprises the following steps: and estimating the time difference between corresponding stations according to the distance ratio between the detection stations and the effective average time between the two glass bottles to be detected, extracting the time points which actually meet the estimated time, and calculating the average value of the actual time interval. The detection under different production line speeds is ensured by adopting a time interval corresponding method and a station time interval automatic calculation method.
Because different models of products can adopt different main line speeds for the spraying line, and the time interval between stations is very related to the main line speed, the equipment designs a method for automatically matching the production line speed, namely an automatic calculation method for the time interval between stations, so that the method can normally run under different main line speeds.
The principle of the inter-station time interval automatic calculation method is as follows: and estimating the time difference between corresponding stations according to the distance proportion between the stations and the effective average time between two glass bottles, extracting the time points which actually meet the estimation, and calculating the average value of the actual time interval.
The time interval corresponding method has the advantages that: because the main line speed may change when the products are different, the automatic calculation method is provided, and different production line speeds can be automatically matched.
The method of firstly estimating and then calculating the average value by actual time not only meets the requirement of automatically calculating the time interval, but also avoids the error caused by the tiny change of the position of the sensor.
The time interval corresponding method has the following detailed steps and formula:
recording the time stamp t of a row of glass bottles arriving at a certain station in the system1，t2，t3，...，tnCalculating the time interval (delta t) of two adjacent glass bottles passing through the same station according to the time stamps1，Δt2，Δt3，...，Δtn-1Get the average value
Figure BDA0003227468960000071
By using
Figure BDA0003227468960000072
Filtering { Δ t1，Δt2，Δt3，...，Δtn-1Outliers in the ink which may be caused by a missing bottle or by false triggering. The method comprises the following steps
Figure BDA0003227468960000073
When, Δ tmIs determined as an abnormal value, and is divided into a time interval sequence { Δ t1，Δt2，Δt3，...，Δtn-1And deleting, wherein epsilon is a proportionality coefficient, and can be adjusted according to actual items. The time interval sequence is filtered to leave valid time intervals, and these intervals are averaged to obtain a valid average of the time intervals between two bottles
Figure BDA0003227468960000074
From which the time intervals between stations can be estimated
Figure BDA0003227468960000075
Wherein L represents the actual distance between two glass bottles on the machine, LpRepresenting the actual distance between the respective stations. L and LpCan be obtained by averaging a plurality of measurements in the field.
ΔtpIt is already possible to make the results of the various stations correspond, but in order to make the data more accurate and avoid errors caused by mechanical vibrations or fine adjustment of the installation, only Δ t is used in the methodpAs an intermediate result, the result is used to calculate a real-time accurate time interval. The method comprises the following steps:
the system records the time stamp t of the arrival of the glass bottle at each station in a period of time11，t12，t13，...，t1m}，{t21，t22，t23，...，t2n}，……，{t51，t52，t53，...，t5kAnd the time stamps of the 1 st station and the 4 th station are the time stamps of the first frame image after the product arrives at the stations, and the time stamp of the 5 th station is the time stamp of the current product result which is sensed by the photoelectric sensor and is requested by the system. By estimated Δ tp1，Δtp2，Δtp3，Δtp4Matching the time data of each station corresponding to a product to obtain at least more than 20 groups of available data, averaging the 20 groups of data to obtain real-time data delta te1，Δte2，Δte3，Δte4。
Fig. 2 is a block diagram of a method according to an embodiment of the present invention. The drawing comprises 5 stations, namely a station 1 for detecting the height of a bottle body, a station 2 for detecting the skin defect of the bottle body, a station 3 for detecting the common defect of the bottle body, a station 4 for detecting the bottom defect of the bottle and a station 5 for marking a defective product, wherein each station is respectively connected with an upper computer system.
Station 1 single triggers to shoot a picture, station 2 single triggers to shoot many pictures, station 3 single triggers to shoot many pictures, station 4 single triggers to shoot many pictures, and station 5 requests current product discrimination result.
As shown in fig. 3 to 5, an embodiment of the present invention further provides a glass bottle spraying line feeding position detecting device, which includes a frame 1, where the frame 1 includes a first frame 2 and a second frame 3, the first frame 2 spans over the glass bottle spraying line 4, the second frame 3 is disposed on a side of the glass bottle spraying line 4, the first frame 2 is connected to the second frame 3, and the first frame 2 and the second frame are connected together to make the shape of the frame 1 in the main viewing direction similar to a 7 shape, of course, the first frame 2 and the second frame 3 may also be integrally formed and designed to form the frame 1, a plurality of sets of inductive switches 5 are disposed on the first frame 2, and the inductive switches 5 are disposed on a side of the glass bottle spraying line 4 to detect whether glass bottles 7 pass through. The first frame 2 is also provided with a plurality of groups of light sources 6, the plurality of groups of light sources 6 are arranged along the side of the glass bottle spraying line 4 and are used for supplementing light to the glass bottles 7 on the glass bottle spraying line 4 and preventing the glass bottles 7 from illumination change and light shading; the second frame 3 is provided with a detection camera 8 and a host system 9, the host system 9 is electrically connected with the detection camera 8, the detection camera 8 is used for photographing the glass bottles on the glass bottle spraying line 4 and transmitting photographing data to the host system 9, and the host system 9 analyzes the received photographing data to judge the quality of the glass bottles 7. Host computer system 9 can choose for use to constitute for PLC and industrial computer, and the glass bottle 7 on the glass bottle spraying line 4 removes the in-process, triggers inductive switch 5, and inductive switch 5 gives the industrial computer trigger signal through PLC, and the industrial computer begins to shoot through PLC control detection camera 8, will shoot data passback after detecting camera 8 and give the industrial computer, and the industrial computer carries out the analysis to the data of shooing, judges whether there is the defect in the glass bottle. The arrangement of the plurality of groups of light sources 6 on the first frame 2 avoids poor picture quality caused by problems such as illumination change, shielding and the like in the photographing process of the glass bottle 7; therefore, the arrangement of the light source 6 improves the photo quality, and the data analysis of the industrial personal computer is more accurate. Meanwhile, the measurement process is based on visual detection of the glass bottle 7, and the detection process does not need contact, so that the fragile components such as the glass bottle are not abraded and are not dangerous; meanwhile, manual detection is replaced, the detection accuracy is improved, the production efficiency is improved, labor force is liberated, and the cost is saved.
The inductive switch 5 is a trigger type switch, and is preferably a correlation type photoelectric sensor in the present application, which has a long detection distance and a small restriction on a detection object, and can detect almost all objects such as glass, plastic, wood, liquid, etc. unlike a proximity sensor, etc. which limits the detection object to metal due to the light shielding and reflection caused by the detection object as a detection principle. But not limited to, a correlation type photoelectric sensor, and other sensing switches which do not contact the glass bottle 7, such as a reflective optical sensor or a diffusion reflective optical sensor. Because the glass bottle 7 is on glass bottle spraying line 4 to rotate forward, so the setting of multiunit inductive switch 5 can trigger detection camera 8 and carry out omnidirectional detection to glass bottle 7, avoids shooing the dead angle. The second frame 3 is further provided with a linear module 10, and the linear module 10 is electrically connected with the host system 9. The linear module 10 is arranged at the rearmost end of the glass bottle spraying line 4 in the running direction, the linear module 10 is provided with a connecting device 18, and the connecting device 18 is used for connecting a code printing device, but is not limited to the code printing device, and for example, a manipulator or the like can be installed for sorting out unqualified glass bottles. Beat sign indicating number equipment and be connected with host system 9, if detect unqualified glass bottle, host system 9 control is beaten sign indicating number equipment and is beaten the sign indicating number mark to the glass bottle, is convenient for follow-up selection to unqualified product, and straight line module 10 chooses for use is lead screw slip table module, can adjust the height of beating the sign indicating number device, is convenient for adapt to the glass bottle of co-altitude not. The linear module 10 is disposed on the second frame 3 through a first adjusting bracket 11, and the inspection camera 8 is disposed on the second frame 3 through a second adjusting bracket 12. The second adjusting bracket 12 is composed of two first adjusting rods 13 and two second adjusting rods 14, connecting pieces 15 are arranged at two ends of each of the two second adjusting rods 14, the two second adjusting rods 14 are movably connected to the two first adjusting rods 13 through the connecting pieces 15, for example, bolt grooves are formed in the connecting pieces 15, the two second adjusting rods 14 are connected to the two first adjusting rods 13 through bolts, and thus the detection camera 8 and the linear module can be adjusted up and down along the direction of the first adjusting rods 13, so that the detection camera 8 can conveniently select the best shooting angle according to glass bottles 7 with different heights. Similarly, the first adjusting bracket 11 is composed of two third adjusting rods 19 and two fourth adjusting rods 20, the two ends of the two fourth adjusting rods 20 are respectively provided with a first connecting piece 21, and the two second adjusting rods 14 are movably connected to the two third adjusting rods 19 through the first connecting pieces 21, so that the linear module 10 can also be adjusted along the direction of the third adjusting rods 21, and the height adjusting range of the coding device is indirectly expanded.
The lower part of the second frame 3 is provided with a plurality of connecting rods 16, the connecting rods 16 are used for connecting the frame 1 with the glass bottle spraying lines 4, and the connecting rods 16 are preferably connected with the glass bottle spraying lines 4 through bolts, so that the stability of the glass bottle spraying machine in the working process is improved, and meanwhile, the glass bottle spraying machine is convenient to install and disassemble. Simultaneously be provided with universal wheel 17 in the below of second frame 3, make things convenient for the removal of this application, the material of frame 1 is the aluminum alloy, when guaranteeing intensity, alleviates whole quality, and connecting rod 16 and universal wheel 17's setting still makes this application be convenient for install the different positions of glass bottle spraying line 4, has improved the flexibility that this application used.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (10)

1. A glass bottle spraying line feeding position detection method is characterized by comprising the following steps:
arranging a plurality of detection stations at a feeding position of a glass bottle spraying line, respectively acquiring a plurality of images of a detection part of a glass bottle to be detected at each detection station, and recording a timestamp of a first image;
processing the images obtained by each detection station by a computer vision method to obtain whether the current detection part of the glass bottle to be detected is qualified;
summarizing the detection results of all detection parts of the same glass bottle to be detected according to a time interval correspondence method, and giving overall judgment;
sending the result of the overall judgment to a motion control center; and the motion control center is controlled to kick off unqualified products at a material kicking position and send the qualified products into the glass bottle spraying line.
2. The method as claimed in claim 1, wherein the glass bottle to be tested passes through each detection station in a self-rotating manner, and the images recorded by each detection station are uniformly distributed in a circle of the self-rotation of the glass bottle to be tested.
3. The glass bottle spraying line feeding position detection method as claimed in claim 1, wherein different preset light sources are arranged on each detection station according to different detection positions.
4. The method for detecting the feeding position of the glass bottle spraying line according to claim 1, wherein the time interval corresponding method comprises the following steps: according to the time stamp of the image acquired by each detection station and the time interval range of the same product passing through adjacent detection stations, the judgment result meeting the range is corresponding to the same product; and sending the discrimination result of the corresponding product to the marking station.
5. The method for detecting the feeding position of the glass bottle spraying line according to claim 4, wherein when the running speed of the glass bottle spraying line is changed, the running parameters of the time interval corresponding method are adjusted by adopting an automatic calculation method of the time interval between stations; the automatic calculation method for the time interval between the stations comprises the following steps: and estimating the time difference between corresponding stations according to the distance ratio between the detection stations and the effective average time between the two glass bottles to be detected, extracting the time points which actually meet the estimated time, and calculating the average value of the actual time interval.
6. The utility model provides a glass bottle spraying line pan feeding position detection device which characterized in that: the glass bottle spraying device comprises a frame (1), wherein the frame (1) comprises a first frame (2) and a second frame (3), the first frame (2) is used for stretching over a glass bottle spraying line (4), a plurality of groups of induction switches (5) are arranged on the first frame (2), and a plurality of groups of light sources (6) are arranged on the first frame (2); be provided with on second frame (3) and detect camera (8), host system (9) are connected with detecting camera (8), multiunit inductive switch (5) electricity respectively, it is used for shooing to the glass bottle on glass bottle spraying line (4) to detect camera (8) to data transfer host system (9) will shoot.
7. The glass bottle spraying line feeding position detection device according to claim 6, characterized in that: the second frame (3) is further provided with a linear module (10), and the linear module (10) is electrically connected with the host system (9).
8. The glass bottle spraying line feeding position detection device according to claim 7, characterized in that: the linear module (10) is arranged on the second frame (3) through a first adjusting bracket (11).
9. The glass bottle spraying line feeding position detection device according to claim 6, characterized in that: the detection camera (8) is arranged on the second frame (3) by a second adjusting bracket (12).
10. The glass bottle spraying line feeding position detection device according to claim 6, characterized in that: a plurality of connecting rods (16) are arranged below the second frame (3), and the connecting rods (16) are used for connecting the frame (1) with the glass bottle spraying line (4).
CN202110976361.XA 2021-08-24 2021-08-24 Glass bottle spraying line feeding position detection method and device Pending CN113477550A (en)

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