CN110834981A - Bobbin paper splicing method and system - Google Patents
Bobbin paper splicing method and system Download PDFInfo
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- CN110834981A CN110834981A CN201911149059.6A CN201911149059A CN110834981A CN 110834981 A CN110834981 A CN 110834981A CN 201911149059 A CN201911149059 A CN 201911149059A CN 110834981 A CN110834981 A CN 110834981A
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- bobbin paper
- thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
Abstract
The invention relates to a bobbin paper splicing method and a bobbin paper splicing system, which are applied to the technical field of splicing, wherein the bobbin paper splicing method comprises the step of obtaining the thickness of the residual bobbin paper, and when the thickness reaches a preset value, sending a splicing instruction to a splicing device so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
Description
Technical Field
The invention relates to the technical field of splicing, in particular to a bobbin paper splicing method and a bobbin paper splicing system.
Background
Bobbin paper splicing refers to splicing the in-use bobbin paper and the standby bobbin paper together so as to meet the requirement of continuous production. In the existing cigarette making and splicing machine set, bobbin paper splicing adopts online dynamic lapping of double-sided adhesive tapes, and the double-sided adhesive tapes are moved to positions between double layers of bobbin paper to be spliced by utilizing a swing cylinder to rotate a swing arm. Because the bobbin paper is dynamically spliced, the running speed of the standby bobbin paper needs to be matched with the linear speed of the in-use bobbin paper.
In the related art, the method for detecting the remaining bobbin paper is that when the machine runs over, the thickness of the bobbin paper is reduced as the bobbin paper is consumed, so that the rotating speed of the bobbin paper is influenced, and the bobbin paper is replaced when the rotating speed reaches a specific value. However, in this way, the bobbin paper must be replaced when the bobbin paper is left for about 20 meters, because the subsequent rotation speed change is basically stable and the bobbin paper is consumed quickly, the waste of raw and auxiliary materials is caused, and the production cost is increased.
Disclosure of Invention
In view of the above, the present invention provides a bobbin paper splicing method and system to overcome at least some of the problems in the related art.
In order to solve the technical problems, the invention adopts the following technical scheme:
in a first aspect, a bobbin paper splicing method is provided, which includes:
obtaining the thickness of the remaining bobbin paper;
and if the thickness reaches a preset value, sending a splicing instruction to a splicing device so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
Optionally, the obtaining the thickness of the remaining bobbin paper includes:
acquiring images of the remaining bobbin paper;
determining edge information of the remaining bobbin paper in the image according to an edge detection algorithm;
and determining the thickness of the residual bobbin paper according to the edge information.
Optionally, the determining the edge information of the remaining bobbin paper in the image according to an edge detection algorithm includes:
determining a gray level transition position in the image according to the edge detection algorithm;
and determining the gray transition position as the edge information of the residual bobbin paper.
Optionally, the determining the thickness of the remaining bobbin paper according to the edge information includes:
calculating difference values of all points in different edge information, and taking the minimum value in the difference values as the thickness of the residual bobbin paper in the image;
and calculating the thickness of the residual bobbin paper according to the ratio of the minimum value to the preset thickness.
Optionally, the edge detection algorithm is any one of a differential operator, a Canny operator, and a LOG operator.
In a second aspect, there is provided a bobbin splicing system comprising: a controller, the controller comprising:
the acquisition module is used for acquiring the thickness of the remaining bobbin paper;
and the first sending module is used for sending a splicing instruction to a splicing device when the thickness reaches a preset value so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
Optionally, the method further includes:
the image acquisition device is used for acquiring the image of the residual bobbin paper;
the acquisition module specifically includes:
the acquisition submodule is used for acquiring images of the remaining bobbin paper;
the edge detection submodule is used for determining the edge information of the residual bobbin paper in the image according to an edge detection algorithm;
and the thickness detection submodule is used for determining the thickness of the residual bobbin paper according to the edge information.
Optionally, the method further includes:
the image acquisition device is arranged on the fixed support, and the fixed support is used for adjusting the position of the image acquisition device.
Optionally, the fixed bolster includes supporting base, bracing piece, the bracing piece is rotatable to be fixed on the supporting seat, image acquisition device sets up the bracing piece is kept away from the one end of supporting base.
Optionally, the method further includes: and the controller is also used for sending the thickness of the residual bobbin paper to the human-computer interface so as to display the thickness of the residual bobbin paper through the human-computer interface.
In a third aspect, a bobbin paper splicing apparatus includes:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program;
the processor is configured to call and execute the computer program in the memory to perform the bobbin paper splicing method according to the first aspect.
In a fourth aspect, a storage medium stores a computer program, and when the computer program is executed by a processor, the method for splicing bobbin sheets according to any one of the first aspect of the present invention is implemented.
By adopting the technical scheme, the invention can realize the following technical effects: this application is through acquireing the thickness of surplus bobbin paper earlier when thickness reaches the default, then send the concatenation instruction to splicing apparatus, so that splicing apparatus is right surplus bobbin paper splices with the replacement bobbin paper, so, directly acquires the thickness of surplus bobbin paper, judges according to thickness whether bobbin paper needs to be changed, and in prior art, judge the mode of bobbin paper surplus through the rotational speed and compare, improved the degree of accuracy, can adjust the surplus of surplus bobbin paper in real time according to the settlement of default, maintain the surplus of surplus bobbin paper in a comparatively reasonable scope, use up as far as possible in order to ensure surplus bobbin paper, saved former auxiliary material, reduced manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a bobbin paper splicing method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a bobbin paper splicing method according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a bobbin paper splicing system provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a bobbin paper splicing system according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a bobbin paper splicing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Examples
Fig. 1 is a schematic flow chart of a bobbin paper splicing method according to an embodiment of the present invention. As shown in fig. 1, the present embodiment provides a method for splicing bobbin paper, including:
and 101, acquiring the thickness of the remaining bobbin paper.
In some embodiments, the thickness of the remaining bobbin paper may be obtained in a variety of ways, for example, by obtaining an image of the remaining bobbin paper, determining edge information of the remaining bobbin paper in the image according to an edge detection algorithm, determining the thickness of the remaining bobbin paper according to the edge information; the thickness of the residual bobbin paper can be detected in real time by arranging a thickness detection device.
And 102, if the thickness reaches a preset value, sending a splicing instruction to a splicing device so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
In the embodiment, the thickness of the remaining bobbin paper is obtained first, and when the thickness reaches the preset value, a splicing instruction is sent to the splicing device, so that the splicing device splices the remaining bobbin paper and the replacement bobbin paper, and thus, the thickness of the remaining bobbin paper is directly obtained, and whether the bobbin paper needs to be replaced is judged according to the thickness.
Fig. 2 is a schematic flow chart of a bobbin paper splicing method according to another embodiment of the present invention. As shown in fig. 2, the present embodiment provides a method for splicing bobbin paper, including:
In some embodiments, the image of the remaining bobbin paper can be captured in real time by arranging a camera in front of the remaining bobbin paper.
In some embodiments, the bobbin paper is usually wound on the bobbin paper winding device, and the obtained image of the remaining bobbin paper is an annular picture, so that the gray transition position in the image is determined to be the edge of the bobbin paper by using an edge detection algorithm. In addition, after the image is acquired, the image may be gray-processed first to better determine the gray transition position.
Optionally, the edge detection algorithm may be, but is not limited to, any one of a differential operator, a Canny operator, and a LOG operator.
In this embodiment, a LOG (laplacian) operator is used, which is a second order differential operator independent of edge direction, and is a scalar rather than a vector. The method has the advantages that the position where the gray level transition occurs in the image can be accurately judged, so that the bobbin paper edge is identified, and materials are provided for thickness detection. The reason for selecting it is that it has high boundary positioning accuracy, strong anti-interference ability and good continuity.
And step 203, determining the gray transition position as the edge information of the remaining bobbin paper.
In some embodiments, the image of the remaining bobbin is in the shape of a ring, and thus the gray level transition position in the image is the edge position of the bobbin.
Fig. 3 is a schematic structural diagram of a bobbin paper splicing system according to an embodiment of the present invention, and referring to fig. 3, the remaining bobbin paper is a small ring structure at the lower part in fig. 3, and a large ring structure at the upper part is a replacement bobbin paper, generally, a picture of the remaining bobbin paper taken by an image pickup device may be the whole remaining bobbin paper or only a part of the remaining bobbin paper, and fig. 3 illustrates an example of taking only a partial image of the remaining bobbin paper. The camera device is arranged in the inner area close to the annular structure of the residual bobbin paper, the thickness of the camera device is gradually reduced along with the use of the residual bobbin paper and is closer to the center position, and when the residual bobbin paper is about to be used up, the edge of the residual bobbin paper can be obtained by the shot image of the inner area.
And 204, calculating difference values of all points in different edge information, and taking the minimum value in the difference values as the thickness of the residual bobbin paper in the image.
Based on the above embodiment, the image of the remaining bobbin paper is a part of the image, so that when the thickness of the remaining bobbin paper is calculated, the gray level jump-in position in the image is two curves, that is, two pieces of edge information, at this time, the thickness of the remaining bobbin paper can be obtained only by calculating the difference between the radii of the two curves, and based on this, only the difference value of each point in different pieces of edge information needs to be calculated, and the minimum value is taken as the thickness of the remaining bobbin paper in the image.
And step 205, calculating the thickness of the residual bobbin paper according to the ratio of the minimum value to the preset thickness.
In some embodiments, the preset thickness ratio may be calculated according to the actual size of the remaining bobbin paper and the size of the remaining bobbin paper in the image, and the thickness of the remaining bobbin paper may be obtained by multiplying the minimum value obtained in the above embodiments by the preset thickness ratio.
And step 206, if the thickness reaches a preset value, sending a splicing instruction to a splicing device so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
In some embodiments, the preset value may be set according to actual conditions, for example, an image is taken when the remaining bobbin paper is nearly used up, and the thickness of the bobbin paper is calculated as the preset value.
It can be understood that, instead of calculating the thickness of the remaining bobbin paper by the preset thickness ratio, the preset value may be set as the minimum value of the remaining bobbin paper in the image, and the minimum value in the above embodiment may be compared with the preset minimum value in the set image.
This application is through acquireing the thickness of surplus bobbin paper earlier when thickness reaches the default, then send the concatenation instruction to splicing apparatus, so that splicing apparatus is right surplus bobbin paper splices with the replacement bobbin paper, so, directly acquires the thickness of surplus bobbin paper, judges according to thickness whether bobbin paper needs to be changed, and in prior art, judge the mode of bobbin paper surplus through the rotational speed and compare, improved the degree of accuracy, can adjust the surplus of surplus bobbin paper in real time according to the settlement of default, maintain the surplus of surplus bobbin paper in a comparatively reasonable scope, use up as far as possible in order to ensure surplus bobbin paper, saved former auxiliary material, reduced manufacturing cost.
Fig. 4 is a schematic structural diagram of a bobbin paper splicing system according to an embodiment of the present invention. As shown in fig. 4, the present embodiment provides a bobbin paper splicing system, including: a controller 400, the controller comprising:
an obtaining module 401, configured to obtain a thickness of the remaining bobbin paper 5;
and the first sending module 402 is configured to send a splicing instruction to a splicing device when the thickness reaches a preset value, so that the splicing device splices the remaining bobbin paper and the replacement bobbin paper 6.
Further, the bobbin paper splicing system further comprises:
the image acquisition device 4 is used for acquiring the image of the residual bobbin paper;
specifically, the image acquisition device comprises a lens and a camera, the lens is arranged on the camera, the lens is used for acquiring the image of the remaining bobbin paper, and the camera is used for sending the image to the image detection device.
The image acquisition device further includes: the light source is used for improving the brightness of the residual bobbin paper, and the acquisition module specifically comprises:
the acquisition submodule is used for acquiring images of the remaining bobbin paper;
the edge detection submodule is used for determining the edge information of the residual bobbin paper in the image according to an edge detection algorithm;
and the thickness detection submodule is used for determining the thickness of the residual bobbin paper according to the edge information.
Referring to fig. 3, the bobbin paper splicing system further includes:
the image acquisition device is arranged on the fixed support, and the fixed support is used for adjusting the position of the image acquisition device.
Specifically, the fixed bolster is including supporting base 1, bracing piece 3, the bracing piece is rotatable to be fixed on the supporting seat, image acquisition device sets up the bracing piece is kept away from the one end of supporting the base.
The fixed support further comprises a bolt 2, and the supporting rod is fixed on the supporting seat through the bolt.
Optionally, the method further includes: and the controller is also used for sending the thickness of the residual bobbin paper to the human-computer interface so as to display the thickness of the residual bobbin paper through the human-computer interface.
The real-time thickness data is visually displayed through a human-computer interface, so that a worker can monitor the thickness data. The invention improves the replacement precision by utilizing the characteristics of rapidness, precision and the like of the image acquisition device, greatly reduces the waste of residual bobbin paper and saves the raw and auxiliary materials.
In this embodiment, the radius of the bobbin paper winding device is 50mm, the thickness of the bobbin paper is about 0.04mm, the error is plus or minus 2mm, and the maximum detection precision of the camera is 0.01 mm.
Fig. 5 is a schematic structural diagram of a bobbin paper splicing device according to an embodiment of the present application. Referring to fig. 4, an embodiment of the present application provides a bobbin paper splicing apparatus, including:
a processor 501, and a memory 502 connected to the processor;
the memory 502 is used to store computer programs;
the processor 501 is used to call and execute a computer program in the memory 502 to execute the bobbin paper splicing method as in the above embodiments.
For a specific implementation of this embodiment, reference may be made to the bobbin paper splicing method described in the foregoing embodiment and the related description in the method embodiment, which are not described herein again.
The embodiment of the invention provides a storage medium, wherein a computer program is stored in the storage medium, and when the computer program is executed by a processor, the steps in the bobbin paper splicing method are realized.
For a specific implementation of this embodiment, reference may be made to the related description in the foregoing bobbin paper splicing method embodiment, and details are not described here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by suitable instruction execution devices. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A bobbin paper splicing method is characterized by comprising the following steps:
obtaining the thickness of the remaining bobbin paper;
and if the thickness reaches a preset value, sending a splicing instruction to a splicing device so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
2. The method of claim 1, wherein said obtaining the thickness of the remaining bobbin paper comprises:
acquiring images of the remaining bobbin paper;
determining edge information of the remaining bobbin paper in the image according to an edge detection algorithm;
and determining the thickness of the residual bobbin paper according to the edge information.
3. The method of claim 2, wherein the determining edge information for the remaining bobbin paper in the image according to an edge detection algorithm comprises:
determining a gray level transition position in the image according to the edge detection algorithm;
and determining the gray transition position as the edge information of the residual bobbin paper.
4. The method of claim 2, wherein said determining the thickness of the remaining bobbin paper from the edge information comprises:
calculating difference values of all points in different edge information, and taking the minimum value in the difference values as the thickness of the residual bobbin paper in the image;
and calculating the thickness of the residual bobbin paper according to the ratio of the minimum value to the preset thickness.
5. The method of claim 2, wherein the edge detection algorithm is any one of a differential operator, a Canny operator, and a LOG operator.
6. A bobbin splicing system, comprising: a controller, the controller comprising:
the acquisition module is used for acquiring the thickness of the remaining bobbin paper;
and the first sending module is used for sending a splicing instruction to a splicing device when the thickness reaches a preset value so that the splicing device splices the residual bobbin paper and the replacement bobbin paper.
7. The system of claim 6, further comprising:
the image acquisition device is used for acquiring the image of the residual bobbin paper;
the acquisition module specifically includes:
the acquisition submodule is used for acquiring images of the remaining bobbin paper;
the edge detection submodule is used for determining the edge information of the residual bobbin paper in the image according to an edge detection algorithm;
and the thickness detection submodule is used for determining the thickness of the residual bobbin paper according to the edge information.
8. The system of claim 7, further comprising:
the image acquisition device is arranged on the fixed support, and the fixed support is used for adjusting the position of the image acquisition device.
9. The system of claim 8, wherein the fixing bracket comprises a supporting base and a supporting rod, the supporting rod is rotatably fixed on the supporting base, and the image capturing device is disposed at an end of the supporting rod away from the supporting base.
10. The system of claim 6, further comprising: and the controller is also used for sending the thickness of the residual bobbin paper to the human-computer interface so as to display the thickness of the residual bobbin paper through the human-computer interface.
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| CN201911149059.6A CN110834981A (en) | 2019-11-21 | 2019-11-21 | Bobbin paper splicing method and system |
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| CN201911149059.6A CN110834981A (en) | 2019-11-21 | 2019-11-21 | Bobbin paper splicing method and system |
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Application publication date: 20200225 |