CN114298076A - Label identification system and method applied to laser - Google Patents
Label identification system and method applied to laser Download PDFInfo
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- CN114298076A CN114298076A CN202210232589.2A CN202210232589A CN114298076A CN 114298076 A CN114298076 A CN 114298076A CN 202210232589 A CN202210232589 A CN 202210232589A CN 114298076 A CN114298076 A CN 114298076A
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Abstract
The application discloses a label identification system and a method applied to a laser, wherein the label identification system comprises: the workstation, the Y axle module, carry the thing module, the X axle module, the Z axle module, horizontal angle adjustment mechanism, every single move angle adjustment mechanism, mechanism and control terminal make a video recording, it sets up on the Y axle module to carry the thing module, the Y axle module is used for removing the article of waiting to discern along the Y axle direction, the X axle module, the Z axle module, horizontal angle adjustment mechanism, every single move angle adjustment mechanism and mechanism of making a video recording connect gradually, X axle module and Z axle module are used for removing the mechanism of making a video recording along the X axle direction and remove along the Z axle direction, horizontal angle adjustment mechanism and every single move angle adjustment mechanism are used for adjusting the horizontal angle and the every single move angle of the mechanism of making a video recording, the mechanism of making a video recording is used for gathering and waits to discern the label image, control terminal is used for according to treat discernment label image output target label information. The application can realize stable identification of the labels on different shapes of articles and improve the identification accuracy.
Description
Technical Field
The application relates to the technical field of label identification, in particular to a label identification system and method applied to a laser.
Background
In the modern society, most of articles or article packages are provided with labels for identifying the articles, such as quite popular character strings, one-dimensional bar codes, two-dimensional codes and the like, and the labels are printed on the articles to serve as unique identifiers of the articles, so that the production process of the articles can be conveniently tracked, and the quality of the articles can be better controlled. However, the existing devices for identifying labels on the market can only identify labels on plane articles generally, and have the problems of large identification error and low identification accuracy when identifying labels on articles with other shapes, such as labels on cylindrical articles like External Modulated Laser outer line (EML-TO) packaged with transistors.
Disclosure of Invention
The embodiment of the application provides a label identification system and method applied to a laser, when labels on articles with different shapes are identified, the shooting angle of a camera shooting mechanism can be adjusted through a horizontal angle adjusting mechanism and a pitching angle adjusting mechanism, so that the camera shooting mechanism faces the labels on the articles to be identified to acquire images of the labels to be identified, therefore, the labels on the articles with different shapes are stably identified, and the identification accuracy is improved.
In one aspect, the present application provides a label identification system applied to a laser, the label identification system including: the device comprises a workbench, a Y-axis module, a carrying module, an X-axis module, a Z-axis module, a horizontal angle adjusting mechanism, a pitching angle adjusting mechanism, a camera shooting mechanism and a control terminal;
the Y-axis module is arranged above the workbench, the carrying module is arranged on the Y-axis module and used for carrying an article to be identified, and the Y-axis module is used for moving the article to be identified along the Y-axis direction;
the X-axis module is arranged above the workbench, the X-axis module, the Z-axis module, the horizontal angle adjusting mechanism, the pitching angle adjusting mechanism and the camera shooting mechanism are sequentially connected, the X-axis module is used for moving the camera shooting mechanism along the X-axis direction, the Z-axis module is used for moving the camera shooting mechanism along the Z-axis direction, the horizontal angle adjusting mechanism is used for adjusting the horizontal angle of the camera shooting mechanism, and the pitching angle adjusting mechanism is used for adjusting the pitching angle of the camera shooting mechanism;
the camera shooting mechanism is in communication connection with the control terminal and is used for collecting a label image to be identified of the article to be identified and transmitting the label image to be identified to the control terminal;
and the control terminal is used for outputting the target label information of the article to be identified according to the label image to be identified.
In some embodiments of the present application, the horizontal angle adjustment mechanism comprises: the Z-axis connecting block, the bottom plate and the first angle adjusting plate are arranged on the base;
the Z-axis connecting block is connected with the Z-axis module;
the bottom plate is vertically connected to one end, close to the camera shooting mechanism, of the Z-axis connecting block, and an annular waist hole and a first pin hole which are used for adjusting the horizontal angle of the camera shooting mechanism are formed in the bottom plate;
first angle regulating plate with the bottom plate is close to the one side of mechanism of making a video recording is connected, be provided with on the first angle regulating plate with the corresponding screw hole in annular waist hole and with the corresponding second cotter hole in first cotter hole.
In some embodiments of the present application, the pitch angle adjustment mechanism comprises: the side plate, the second angle adjusting plate and the pressure spring;
the side plate is vertically connected to one surface, close to the camera shooting mechanism, of the first angle adjusting plate, and a spring hole used for fixing the pressure spring is formed in the side plate;
the second angle adjusting plate is connected with one end, close to the camera shooting mechanism, of the side plate, and a hinge pin shaft for fixing the pressure spring is arranged on the second angle adjusting plate;
one end of the pressure spring is connected with the second angle adjusting plate through the hinge pin shaft, the other end of the pressure spring penetrates through the spring hole and is fixed on the side plate through an adjusting nut, and the adjusting nut is used for adjusting the tension of the pressure spring so as to adjust the pitching angle of the camera shooting mechanism through changing the tension of the pressure spring.
In some embodiments of the present application, the Z-axis connecting block and the junction of the bottom plate are provided with a first reinforcing rib, and the first angle adjusting plate and the junction of the side plates are provided with a second reinforcing rib.
In some embodiments of the present application, the camera mechanism comprises: the device comprises a connecting sheet, a photographing camera, a photographing lens, a first annular light source, a light source protective cover and a second annular light source;
one side of the connecting sheet is connected with the pitching angle adjusting mechanism, and the other side of the connecting sheet is connected with the photographing camera and the light source protective cover;
the photographing lens is connected with the photographing camera;
the first annular light source is arranged on the photographing lens, and the central axis of the first annular light source is parallel to the central axis of the photographing lens;
the second annular light source is arranged on one surface, close to the photographing lens, of the light source protective cover, and the central axis of the second annular light source is perpendicular to the central axis of the photographing lens.
In some embodiments of the present application, the carrier module comprises: the device comprises a carrying bottom plate, a carrying substrate, a guide mechanism, a positioning mechanism and an ejection mechanism;
the carrying bottom plate is arranged on the Y-axis module;
the carrying substrate is used for carrying the article to be identified;
the two guide mechanisms are symmetrically arranged at two ends of the carrying bottom plate, and form a guide space for accommodating the carrying substrate so that the carrying substrate moves in the guide space along the extension direction of the guide space;
the two positioning mechanisms are symmetrically arranged on the two guide mechanisms and are used for positioning the loading substrate moving along the extension direction of the guide space;
the ejecting mechanism is arranged on the substrate and used for ejecting the carrying substrate along the extending direction deviating from the guide space after the positioning mechanism unlocks the carrying substrate.
In some embodiments of the present application, the positioning mechanism comprises: the positioning device comprises a positioning base, a handle and a positioning block;
the positioning base is arranged on the guide mechanism, a first sliding cavity extending from the side surface to the X-axis direction and used for accommodating the positioning block to slide and a second sliding cavity extending from the upper surface to the X-axis direction and used for accommodating the handle to slide are arranged in the positioning base, and the first sliding cavity and the second sliding cavity are communicated with each other;
the positioning block is arranged in the first sliding cavity, the handle is arranged in the second sliding cavity and connected with the positioning block, and the handle is used for driving the positioning block to slide along the first sliding cavity.
In some embodiments of the present application, the ejection mechanism comprises: the ejection base, the ejection shell, the elastic element and the marble;
the pop-up base is arranged on the carrying bottom plate, and a positioning hole for fixing the pop-up shell is formed in the pop-up base;
the pop-up shell penetrates through the positioning hole and is fixed on the pop-up base through a locking nut;
one end of the elastic element is connected with the popup shell, and the other end of the elastic element is connected with the marble.
In a second aspect, the present application provides a label identification method applied to the label identification system of the laser device in any one of the above first aspects, the label identification method includes:
moving the object to be identified carried on the carrying module along the Y-axis direction;
moving a camera mechanism along an X-axis direction, and moving the camera mechanism along a Z-axis direction;
respectively adjusting the horizontal angle and the pitching angle of the camera mechanism, and acquiring a label image to be identified of the article to be identified;
and outputting the target label information of the article to be identified according to the label image to be identified.
In some embodiments of the present application, the outputting target tag information of the article to be identified according to the tag image to be identified includes:
inputting the label images to be identified into a pre-trained label identification model, wherein the label identification model is obtained based on a preset training sample set, and the training sample set comprises a plurality of training label images and real label information corresponding to the training label images;
and outputting the target label information of the article to be identified through the label identification model.
This application can adjust the shooting angle of mechanism of making a video recording through horizontal angle adjustment mechanism and every single move angle adjustment mechanism when discerning the label on different shape article, makes the mechanism of making a video recording face and treats discernment label image to the label collection on treating discernment article to the realization is stabilized the discernment to the label on different shape article, improves the discernment rate of accuracy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tag identification system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a horizontal angle adjusting mechanism and a pitch angle adjusting mechanism in a tag identification system provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a camera mechanism in the tag identification system according to the embodiment of the present application;
fig. 4 is a schematic structural diagram of a carrier module in the tag identification system according to the embodiment of the present disclosure;
fig. 5 is a schematic flowchart of a tag identification method according to an embodiment of the present application.
The various symbols in the drawings: 1. a work table; 2. a Y-axis module; 3. a carrying module; 4. an X-axis module; 5. a Z-axis module; 6. a horizontal angle adjusting mechanism; 7. a pitch angle adjustment mechanism; 8. a camera mechanism; 9. a cantilever beam; 10. a Y-axis motor; 11. an X-axis motor; 12. a Z-axis motor; 13. a drag chain; 14. a light source controller; 31. a loading base plate; 32. a carrying substrate; 33. a guide mechanism; 34. a positioning mechanism; 35. an ejection mechanism; 61. a Z-axis connecting block; 62. a base plate; 63. a first angle adjusting plate; 64. a ring-shaped waist hole; 65. a first pin hole; 66. a butterfly nut; 67. a first reinforcing rib; 71. a side plate; 72. a second angle adjusting plate; 73. a pressure spring; 74. a hinge pin shaft; 75. adjusting the nut; 76. locking the screw; 77. a second reinforcing rib; 81. connecting sheets; 82. a photographing camera; 83. a light source protective cover; 84. a photographing lens; 85. a first annular light source; 86. a second annular light source; 341. a positioning base; 342. a handle; 343. positioning blocks; 351. popping up the base; 352. popping up the shell; 353. and locking the nut.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Referring to fig. 1, the present embodiment provides a label identification system applied to a laser, which includes a worktable 1, a Y-axis module 2, a carrying module 3, an X-axis module 4, a Z-axis module 5, a horizontal angle adjusting mechanism 6, a pitching angle adjusting mechanism 7, a camera 8, and a control terminal. The workbench 1 is mainly used for bearing the electric part of the whole label identification system; the Y-axis module 2 is arranged above the workbench 1, the carrying module 3 is arranged on the Y-axis module 2, the carrying module 3 is used for carrying an article to be identified, and the Y-axis module 2 is used for moving the article to be identified along the Y-axis direction; the X-axis module 4 is arranged above the workbench 1, the X-axis module 4, the Z-axis module 5, the horizontal angle adjusting mechanism 6, the pitching angle adjusting mechanism 7 and the camera shooting mechanism 8 are sequentially connected, the X-axis module 4 is used for moving the camera shooting mechanism 8 along the X-axis direction, the Z-axis module 5 is used for moving the camera shooting mechanism 8 along the Z-axis direction, the horizontal angle adjusting mechanism 6 is used for adjusting the horizontal angle of the camera shooting mechanism 8, and the pitching angle adjusting mechanism 7 is used for adjusting the pitching angle of the camera shooting mechanism 8; the camera mechanism 8 is in communication connection with the control terminal, the communication connection mode includes but is not limited to Bluetooth connection, data line connection and the like, and the camera mechanism 8 is used for collecting a to-be-identified label image of an article to be identified and transmitting the to-be-identified label image to the control terminal; and the control terminal is used for outputting the target label information of the article to be identified according to the label image to be identified.
It should be noted that the article TO be identified is any article carrying a label, and the label includes, but is not limited TO, a character string, a one-dimensional bar code, a two-dimensional code, and the like, such as an External Modulated Laser diode (EML-TO) packaged in a Transistor shape with the two-dimensional code or character printed on a tube shell, a direct Modulated Laser diode (DML-TO) packaged in a Transistor shape with the two-dimensional code or character printed on a tube shell, and the like. When the label of the article to be identified is identified, the article to be identified is moved along the Y-axis direction through the Y-axis module 2, the camera shooting mechanism 8 is moved along the X-axis direction through the X-axis module 4, the camera shooting mechanism 8 is moved along the Z-axis direction through the Z-axis module 5, and the camera shooting mechanism 8 can be moved right above the article to be identified.
It can be understood that the image of the tag to be identified is an image which is acquired by the camera mechanism and contains the tag on the article to be identified, and the target tag information is tag information carried by the tag on the article to be identified, which is determined according to the image of the tag to be identified. The label identification system that this embodiment provided, when the label on the article to be discerned needs discerning, will bear the weight of through Y axle module 2 and carry thing module 3 and remove along the Y axle direction of discerning the article, and will make a video recording mechanism 8 and remove along the Z axle direction through X axle module 4 and Z axle module 5 respectively, adjust the horizontal angle and the every single move angle of making a video recording mechanism 8 respectively through horizontal angle adjustment mechanism 6 and every single move angle adjustment mechanism 7 after that, make the angle of taking a video recording mechanism 8 just to the label on the article to be discerned, gather the label image of waiting to discern the article through the mechanism 8 of making a video recording at last, and will wait to discern the label image transmission to control terminal, by control terminal according to waiting to discern the label image, output the target label information of waiting to discern the article.
In one embodiment, when the control terminal outputs the target label information of the article to be recognized according to the label image to be recognized, specifically, the label image to be recognized is input into a label recognition model trained in advance, and the target label information of the article to be recognized is output through the label recognition model. The label recognition model is obtained by training a preset network model based on a preset training sample set, and the preset network model may adopt a deep learning network model or a machine learning model, such as a Convolutional Neural Network (CNN), a deconvolution Neural network (De-Convolutional network, DN), and the like. In the embodiment, the labels are identified based on the label identification model trained in advance, so that the speed and the accuracy of label identification are improved.
When a preset network model is trained, firstly, a plurality of training label images in the training sample set are input into the preset network model, prediction label information corresponding to each training label image is output through the network model, then, model parameters of the network model are corrected according to the prediction label information and the real label information, the steps of inputting the training label images in the training sample set into the preset network model and outputting the prediction label information corresponding to each training label image through the network model are continuously executed until the training condition of the network model meets the preset condition, and the obtained trained network model is the label identification model.
In one embodiment, with continued reference to fig. 1, the tag identification system further comprises: cantilever beam 9, Y axle motor 10, X axle motor 11, Z axle motor 12 and tow chain 13. The number of the cantilever beams 9 is two, the two cantilever beams 9 are symmetrically arranged on the workbench 1, and the X-axis module 4 is arranged at the free end of each cantilever beam 9. The Y-axis motor 10 is connected with the Y-axis module 2 and used for driving the Y-axis module 2 to drive an object to be identified to move along the Y-axis direction, the X-axis motor 11 is connected with the X-axis module 4 and used for driving the X-axis module 4 to drive the camera shooting mechanism 8 to move along the X-axis direction, and the Z-axis motor 12 is connected with the Z-axis module 5 and used for driving the Z-axis module 5 to drive the camera shooting mechanism 8 to move along the Z-axis direction. The drag chain 13 is connected to the X-axis module 4, and is configured to fix a power line associated with the Z-axis motor 12 and the camera mechanism 8, and move the power line along the X-axis direction along with the X-axis module 4.
In one embodiment, the X-axis module 4, the Y-axis module 2, and the Z-axis module 5 are screw-slide rail structures, the object carrying module 3 is fixedly disposed on the slide block of the Y-axis module 2, so that the object carrying module 3 can move along the Y-axis direction, the Z-axis module 5 is fixedly disposed on the slide block of the X-axis module 4, so that the Z-axis module 5, the horizontal angle adjusting mechanism 6, the pitch angle adjusting mechanism 7, and the camera 8 can move along the X-axis direction, the horizontal angle adjusting mechanism 6 is fixedly disposed on the slide block of the Z-axis module 5, so that the horizontal angle adjusting mechanism 6, the pitch angle adjusting mechanism 7, and the camera 8 can move along the Z-axis direction.
In one embodiment, as shown in fig. 2, the horizontal adjustment mechanism includes: a Z-axis connecting block 61, a bottom plate 62 and a first angle adjusting plate 63. The Z-axis connecting block 61 is connected with the Z-axis module 5; bottom plate 62 connect perpendicularly in Z axle connecting block 61 is close to the one end of mechanism 8 of making a video recording, be provided with on the bottom plate 62 and be used for adjusting the annular waist hole 64 and the first round pin hole 65 of the horizontal angle of mechanism 8 of making a video recording, first angle regulating plate 63 with bottom plate 62 is close to the one side of mechanism 8 of making a video recording is connected, be provided with on the first angle regulating plate 63 with the corresponding screw hole of annular waist hole 64 and with the corresponding second round pin hole of first round pin hole 65.
Specifically, a butterfly nut 66 is arranged between the annular waist hole 64 and the threaded hole, a rotating pin is arranged between the first pin hole 65 and the second pin hole, when the horizontal angle of the camera mechanism 8 needs to be adjusted, the butterfly nut 66 in the annular waist hole 64 is loosened, the first angle adjusting plate 63 is rotated in the horizontal direction by taking the rotating pin as an axis, since the first angle adjusting plate 63 is connected to the pitch angle adjusting mechanism 7, and the pitch angle adjusting mechanism 7 is connected to the camera mechanism 8, when the first angle adjustment plate 63 is rotated in the horizontal direction about the rotation pin, the pitch angle adjustment mechanism 7 and the camera mechanism 8 are also rotated in the horizontal direction following the first angle adjustment plate 63, after the camera shooting mechanism 8 rotates to a proper horizontal angle, the butterfly nut 66 is screwed up manually, so that the horizontal angle of the camera shooting mechanism 8 is prevented from changing. It can be understood that the circular waist hole 64 is an arc hole with the first pin hole 65 as the center, and the horizontal rotation angle of the camera mechanism 8 is related to the arc length of the circular waist hole 64, for example, when the arc length of the circular waist hole 64 is one fourth of the circle with the first pin hole 65 as the center, the horizontal rotation angle of the camera mechanism 8 is ± 45 °, and the horizontal rotation angle of the camera mechanism 8 can be set according to the needs of the user.
In one embodiment, with continued reference to fig. 2, the pitch angle adjustment mechanism 7 comprises: a side plate 71, a second angle adjusting plate 72 and a pressure spring 73. The side plate 71 is vertically connected to one surface of the first angle adjusting plate 63, which is close to the camera shooting mechanism 8, and a spring hole for fixing the pressure spring 73 is formed in the side plate 71; the second angle adjusting plate 72 is connected with one end of the side plate 71 close to the camera shooting mechanism 8, and a hinge pin 74 for fixing the pressure spring 73 is arranged on the second angle adjusting plate 72; one end of the pressure spring 73 is connected to the second angle adjusting plate 72 through the hinge pin 74, the other end of the pressure spring 73 passes through the spring hole and is fixed to the side plate 71 through an adjusting nut 75, and the adjusting nut 75 is used for adjusting the tension of the pressure spring 73, so that the adjustment of the pitch angle of the camera shooting mechanism 8 is realized by changing the tension of the pressure spring 73. Specifically, the second angle adjustment plate 72 is connected to one end of the side plate 71 close to the camera mechanism 8 through a locking screw 76, and when the pitch angle of the camera mechanism 8 needs to be adjusted, the locking screw 76 is loosened, and the adjusting nut 75 is rotated to compress or stretch the pressure spring 73, thereby adjusting the pitch angle of the camera mechanism 8.
In one embodiment, as shown in fig. 2, a first rib 67 is provided at the junction of the Z-axis connecting block 61 and the bottom plate 62, the first rib 67 is a polyhedron, one surface of the first rib 67 is connected to the Z-axis connecting block 61, the other surface of the first rib 67 is connected to the bottom plate 62, and the strength of the junction of the Z-axis connecting block 61 and the bottom plate 62 can be enhanced by providing the first rib 67. First angle regulating plate 63 with the junction of curb plate 71 is provided with second strengthening rib 77, second strengthening rib 77 is the polyhedron, a face of second strengthening rib 77 with first angle regulating plate 63 is connected, another face of second strengthening rib 77 with curb plate 71 is connected, can strengthen the intensity of the junction of first angle regulating plate 63 and curb plate 71 through setting up second strengthening rib 77.
In one embodiment, as shown in fig. 3, the camera mechanism 8 includes: a connecting piece 81, a photographing camera 82, a photographing lens 84, a first annular light source 85, a light source protective cover 83 and a second annular light source 86. One surface of the connecting sheet 81 is connected with the pitching angle adjusting mechanism 7, and the other surface of the connecting sheet 81 is connected with the photographing camera 82 and the light source protective cover 83; the photographing lens 84 is connected with the photographing camera 82; the first annular light source 85 is disposed on the photographing lens 84, and a central axis of the first annular light source 85 is parallel to a central axis of the photographing lens 84; the second annular light source 86 is disposed on a surface of the light source protective cover 83 close to the photographing lens 84, and a central axis of the second annular light source 86 is perpendicular to a central axis of the photographing lens 84. Specifically, the first annular light source 85 is a red light source, the second annular light source 86 is a white light source, the label identification system further includes a light source controller 14 for controlling the first annular light source 85 and the second annular light source 86, and when the image of the label to be identified of the article to be identified is collected, the first annular light source 85 and the second annular light source 86 are turned on, so that the label to be identified in the collected image of the label to be identified can be ensured to have sufficient brightness and contrast, and the accuracy of label identification is improved.
In one embodiment, as shown in fig. 4, the carrier module 3 includes: a loading base plate 31, a loading substrate 32, a guide mechanism 33, a positioning mechanism 34 and an ejection mechanism 35. The carrying bottom plate 31 is arranged on the Y-axis module 2; the carrying substrate 32 is used for carrying the article to be identified; the number of the guide mechanisms 33 is two, the two guide mechanisms 33 are symmetrically arranged at the left end and the right end of the loading base plate 31, and the two guide mechanisms 33 form a guide space for accommodating the loading substrate 32, so that the loading substrate 32 moves in the guide space along the extension direction of the guide space; the number of the positioning mechanisms 34 is two, the two positioning mechanisms 34 are symmetrically arranged on the two guide mechanisms 33, and the positioning mechanisms 34 are used for positioning the loading substrate 32 moving along the extending direction of the guide space; the ejecting mechanism 35 is disposed on the loading base plate 31, and is configured to eject the loading base plate 32 in an extending direction away from the guide space after the positioning mechanism 34 releases the positioning of the loading base plate 32.
Specifically, the carrier substrate 32 may be selected according TO different objects TO be identified, for example, when the objects TO be identified are EML-TO devices or DML-TO devices, the carrier substrate 32 may be a heat sink substrate. When the label discerns, the thing base plate 32 that carries the thing of waiting to discern moves to the assigned position back along the extending direction of guide space in the guide space that guiding mechanism 33 formed, fix a position the thing base plate 32 of carrying through positioning mechanism 34, after the label discernment is accomplished, remove positioning mechanism 34 to the location of carrying the thing base plate 32, it can pop out along the extending direction who deviates from the guide space under pop-up mechanism 35's spring action to carry thing base plate 32, can realize material loading auto-lock and unloading auto-eject, the artificial operation degree of difficulty has been reduced, and because pop-up mechanism 35 has spring action to carrying thing base plate 32, consequently can compatible not unidimensional product.
In one embodiment, and with continued reference to FIG. 4, the positioning mechanism 34 includes: a positioning base 341, a handle 342, and a positioning block 343. The positioning base 341 is disposed on the guide mechanism 33, a first sliding cavity extending from a side surface to the X-axis direction and used for accommodating the positioning block 343 to slide is disposed in the positioning base 341, a second sliding cavity extending from an upper surface of the positioning base 341 to the X-axis direction and used for accommodating the handle 342 to slide is disposed in the positioning base 341, and the first sliding cavity and the second sliding cavity are communicated with each other; the positioning block 343 is disposed in the first sliding cavity, the handle 342 is disposed in the second sliding cavity and connected to the positioning block 343, and the handle 342 is configured to drive the positioning block 343 to slide along the first sliding cavity. Specifically, after the carrying substrate 32 carrying the object to be identified moves to a specified position in the guide space formed by the guide mechanism 33 along the extending direction of the guide space, the handle 342 is slid rightward, and the positioning block 343 is driven to move rightward together, so that the carrying substrate 32 is positioned; after the tag identification is completed, the handle 342 is slid leftward, and the positioning block 343 is driven to move leftward, so that the loading substrate 32 is released from the positioning.
In one embodiment, and with continued reference to FIG. 4, the ejection mechanism 35 includes: a pop-up base 351, a pop-up housing 352, a pop-up element, and a marble. The pop-up base 351 is arranged on the carrying bottom plate 31, and a positioning hole for fixing the pop-up shell 352 is arranged on the pop-up base 351; the pop-up shell 352 passes through the positioning hole and is fixed on the pop-up base 351 through a locking nut 353; one end of the elastic element is connected to the pop-up case 352, and the other end is connected to the marble. Specifically, the elastic element may be a spring leaf or other elastic element, and after the object carrying substrate 32 carrying the object to be identified moves to the specified position in the guide space formed by the guide mechanism 33 along the extending direction of the guide space, the ejecting element is in a compressed state, and after the positioning mechanism 34 releases the positioning of the object carrying substrate 32, the compressed elastic element generates a tension along the extending direction deviating from the guide space, so as to eject the object carrying substrate 32 along the extending direction deviating from the guide space.
Based on the above label identification system applied to the laser, an embodiment of the present application further provides a label identification method, as shown in fig. 5, where the label identification method includes:
301. moving the object to be identified carried on the carrying module along the Y-axis direction;
302. moving a camera mechanism along an X-axis direction, and moving the camera mechanism along a Z-axis direction;
303. respectively adjusting the horizontal angle and the pitching angle of the camera mechanism, and acquiring a label image to be identified of the article to be identified;
304. and outputting the target label information of the article to be identified according to the label image to be identified.
When a label on an article to be identified needs to be identified, the carrying module bearing the article to be identified moves along the Y-axis direction through the Y-axis module, the camera mechanism moves along the X-axis direction and moves along the Z-axis direction through the X-axis module and the Z-axis module respectively, then the horizontal angle and the pitching angle of the camera mechanism are adjusted respectively through the horizontal angle adjusting mechanism and the pitching angle adjusting mechanism, so that the shooting angle of the camera mechanism is just opposite to the label on the article to be identified, finally, the image of the label to be identified of the article to be identified is acquired through the camera mechanism, the image of the label to be identified is transmitted to the control terminal, and the control terminal outputs target label information of the article to be identified according to the image of the label to be identified. When the deviation of the shooting angle of the label on the article to be identified and the shooting mechanism is large, the shooting angle of the shooting mechanism can be adjusted through the horizontal angle adjusting mechanism and the pitching angle adjusting mechanism, so that the labels on articles with different shapes can be stably identified, and the identification accuracy is improved.
In one embodiment, step 304 specifically includes:
401. inputting the label images to be identified into a pre-trained label identification model, wherein the label identification model is obtained based on a preset training sample set, and the training sample set comprises a plurality of training label images and real label information corresponding to the training label images;
402. and outputting the target label information of the article to be identified through the label identification model.
In one embodiment, when the control terminal outputs the target label information of the article to be recognized according to the label image to be recognized, specifically, the label image to be recognized is input into a label recognition model trained in advance, and the target label information of the article to be recognized is output through the label recognition model. The label recognition model is obtained by training a preset network model based on a preset training sample set, and the preset network model may adopt a deep learning network model or a machine learning model, such as a Convolutional Neural Network (CNN), a deconvolution Neural network (De-Convolutional network, DN), and the like. In the embodiment, the labels are identified based on the label identification model trained in advance, so that the speed and the accuracy of label identification are improved.
When a preset network model is trained, firstly, a plurality of training label images in the training sample set are input into the preset network model, prediction label information corresponding to each training label image is output through the network model, then, model parameters of the network model are corrected according to the prediction label information and the real label information, the steps of inputting the training label images in the training sample set into the preset network model and outputting the prediction label information corresponding to each training label image through the network model are continuously executed until the training condition of the network model meets the preset condition, and the obtained trained network model is the label identification model.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
The foregoing detailed description is directed to a system and method for identifying a label applied to a laser device according to an embodiment of the present application, and a specific example is applied to illustrate the principle and the implementation manner of the present application, and the description of the foregoing embodiment is only used to help understand the method and the core idea of the present application; those of ordinary skill in the art will understand that: modifications can be made to the technical solutions described in the embodiments or equivalent substitutions can be made on some technical features; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A label identification system for use with a laser, the label identification system comprising: workstation, Y axle module, year thing module, X axle module, Z axle module, horizontal angle adjustment mechanism, every single move angle adjustment mechanism, camera mechanism and control terminal:
the Y-axis module is arranged above the workbench, the carrying module is arranged on the Y-axis module and used for carrying an article to be identified, and the Y-axis module is used for moving the article to be identified along the Y-axis direction;
the X-axis module is arranged above the workbench, the X-axis module, the Z-axis module, the horizontal angle adjusting mechanism, the pitching angle adjusting mechanism and the camera shooting mechanism are sequentially connected, the X-axis module is used for moving the camera shooting mechanism along the X-axis direction, the Z-axis module is used for moving the camera shooting mechanism along the Z-axis direction, the horizontal angle adjusting mechanism is used for adjusting the horizontal angle of the camera shooting mechanism, and the pitching angle adjusting mechanism is used for adjusting the pitching angle of the camera shooting mechanism;
the camera shooting mechanism is in communication connection with the control terminal and is used for collecting a label image to be identified of the article to be identified and transmitting the label image to be identified to the control terminal;
and the control terminal is used for outputting the target label information of the article to be identified according to the label image to be identified.
2. The label recognition system for a laser according to claim 1, wherein said horizontal angle adjustment mechanism comprises: the Z-axis connecting block, the bottom plate and the first angle adjusting plate are arranged on the base;
the Z-axis connecting block is connected with the Z-axis module;
the bottom plate is vertically connected to one end, close to the camera shooting mechanism, of the Z-axis connecting block, and an annular waist hole and a first pin hole which are used for adjusting the horizontal angle of the camera shooting mechanism are formed in the bottom plate;
first angle regulating plate with the bottom plate is close to the one side of mechanism of making a video recording is connected, be provided with on the first angle regulating plate with the corresponding screw hole in annular waist hole and with the corresponding second cotter hole in first cotter hole.
3. The label identification system for a laser of claim 2, wherein said pitch angle adjustment mechanism comprises: the side plate, the second angle adjusting plate and the pressure spring;
the side plate is vertically connected to one surface, close to the camera shooting mechanism, of the first angle adjusting plate, and a spring hole used for fixing the pressure spring is formed in the side plate;
the second angle adjusting plate is connected with one end, close to the camera shooting mechanism, of the side plate, and a hinge pin shaft for fixing the pressure spring is arranged on the second angle adjusting plate;
one end of the pressure spring is connected with the second angle adjusting plate through the hinge pin shaft, the other end of the pressure spring penetrates through the spring hole and is fixed on the side plate through an adjusting nut, and the adjusting nut is used for adjusting the tension of the pressure spring so as to adjust the pitching angle of the camera shooting mechanism through changing the tension of the pressure spring.
4. The label recognition system for a laser according to claim 3, wherein a first reinforcing rib is provided at a junction of the Z-axis connecting block and the bottom plate, and a second reinforcing rib is provided at a junction of the first angle adjusting plate and the side plate.
5. The label identification system for laser application of claim 1 wherein said camera mechanism comprises: the device comprises a connecting sheet, a photographing camera, a photographing lens, a first annular light source, a light source protective cover and a second annular light source;
one side of the connecting sheet is connected with the pitching angle adjusting mechanism, and the other side of the connecting sheet is connected with the photographing camera and the light source protective cover;
the photographing lens is connected with the photographing camera;
the first annular light source is arranged on the photographing lens, and the central axis of the first annular light source is parallel to the central axis of the photographing lens;
the second annular light source is arranged on one surface, close to the photographing lens, of the light source protective cover, and the central axis of the second annular light source is perpendicular to the central axis of the photographing lens.
6. The label identification system for laser application of claim 1, wherein said carrier module comprises: the device comprises a carrying bottom plate, a carrying substrate, a guide mechanism, a positioning mechanism and an ejection mechanism;
the carrying bottom plate is arranged on the Y-axis module;
the carrying substrate is used for carrying the article to be identified;
the two guide mechanisms are symmetrically arranged at two ends of the carrying bottom plate, and form a guide space for accommodating the carrying substrate so that the carrying substrate moves in the guide space along the extension direction of the guide space;
the two positioning mechanisms are symmetrically arranged on the two guide mechanisms and are used for positioning the loading substrate moving along the extension direction of the guide space;
the ejecting mechanism is arranged on the substrate and used for ejecting the carrying substrate along the extending direction deviating from the guide space after the positioning mechanism unlocks the carrying substrate.
7. The label identification system for a laser of claim 6, wherein said positioning mechanism comprises: the positioning device comprises a positioning base, a handle and a positioning block;
the positioning base is arranged on the guide mechanism, a first sliding cavity extending from the side surface to the X-axis direction and used for accommodating the positioning block to slide and a second sliding cavity extending from the upper surface to the X-axis direction and used for accommodating the handle to slide are arranged in the positioning base, and the first sliding cavity and the second sliding cavity are communicated with each other;
the positioning block is arranged in the first sliding cavity, the handle is arranged in the second sliding cavity and connected with the positioning block, and the handle is used for driving the positioning block to slide along the first sliding cavity.
8. The label identification system for a laser of claim 6, wherein said ejection mechanism comprises: the ejection base, the ejection shell, the elastic element and the marble;
the pop-up base is arranged on the carrying bottom plate, and a positioning hole for fixing the pop-up shell is formed in the pop-up base;
the pop-up shell penetrates through the positioning hole and is fixed on the pop-up base through a locking nut;
one end of the elastic element is connected with the popup shell, and the other end of the elastic element is connected with the marble.
9. A label recognition method applied to a label recognition system of a laser according to any one of claims 1 to 8, wherein the label recognition method comprises:
moving the object to be identified carried on the carrying module along the Y-axis direction;
moving a camera mechanism along an X-axis direction, and moving the camera mechanism along a Z-axis direction;
respectively adjusting the horizontal angle and the pitching angle of the camera mechanism, and acquiring a label image to be identified of the article to be identified;
and outputting the target label information of the article to be identified according to the label image to be identified.
10. The tag identification method according to claim 9, wherein the outputting of the target tag information of the to-be-identified item according to the to-be-identified tag image comprises:
inputting the label images to be identified into a pre-trained label identification model, wherein the label identification model is obtained based on a preset training sample set, and the training sample set comprises a plurality of training label images and real label information corresponding to the training label images;
and outputting the target label information of the article to be identified through the label identification model.
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