CN108647544B - Label detection device based on CIS - Google Patents
Label detection device based on CIS Download PDFInfo
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- CN108647544B CN108647544B CN201810526990.0A CN201810526990A CN108647544B CN 108647544 B CN108647544 B CN 108647544B CN 201810526990 A CN201810526990 A CN 201810526990A CN 108647544 B CN108647544 B CN 108647544B
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- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 5
- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
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- 238000002372 labelling Methods 0.000 claims 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
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Abstract
The invention relates to the technical field of detection equipment, and provides a CIS-based label detection device which comprises a main body frame, a conveying module, a label marking module, a visual identification module and an electric control module, wherein the conveying module is used for conveying a label belt, the label marking module is used for marking labels, the visual identification module comprises a CIS image sensor, the CIS image sensor is arranged corresponding to a conveying path of the label belt and is used for shooting the currently corresponding labels and sending acquired image signals to the electric control module, and the electric control module is used for processing and analyzing the received image signals and sending corresponding action instructions to the label marking module according to analysis results. Through CIS image sensor's application, can reduce the shooting focus greatly to save complicated mechanisms such as lens, fluorescent tube and cold cathode realization tube, have advantages such as small, light in weight, make label detection device whole compact, space utilization is high, help label detection device miniaturized development.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a label detection device based on CIS.
Background
In the circulation and management process of products, labels are usually utilized as traceable marks of the products, the content of the labels is generally serial numbers, brand marks, packaging marks and the like of the products, the management of the products is reliable and convenient, a label printer is generally utilized to print the required labels, the label printer continuously prints the labels on a paper tape to form a label paper tape, but in actual production, the labels printed by the label printer have defects of offset, incomplete or unclear handwriting and the like, if the labels are attached to the products, the labels cannot be traced due to the fact that the labels cannot be identified, therefore, before the labels are attached to the products, defective products of the labels are screened out, in the prior art, a label detection device detects the labels by adopting a CCD camera, and due to the fact that the required focusing distance of the CCD camera is long, the detection device needs to set a sufficient space distance so that the CCD camera focuses, the detection device is large in whole size, heavy in whole, not compact in structure, low in space utilization rate and large in occupied space. Accordingly, there is a need to provide a new solution to the above-mentioned problems of the prior art.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the label detection device based on the CIS, so that the structure is compact, and the space utilization rate is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a label detection device based on CIS for detect the label on the label area, including main part frame, transport module, label marking module, visual identification module and automatically controlled module, transport module is used for carrying the label area, the label marking module is used for marking the label, visual identification module includes CIS image sensor, CIS image sensor corresponds the delivery path of label area and sets up, be used for shooting current corresponding label and will acquire image signal send to automatically controlled module, automatically controlled module carries out processing analysis to the image signal of receipt, and send corresponding action instruction to according to the analysis result the label marking module.
As the improvement of the technical scheme, the visual identification module further comprises a floating frame, the CIS image sensor is arranged on the floating frame, the floating frame comprises a fixed plate, a first elastic element and a mounting frame, the CIS image sensor is mounted in the mounting frame, the first elastic element is connected between the mounting frame and the fixed plate, and the fixed plate is connected with the main body frame.
As a further improvement of the technical scheme, the conveying module comprises a driving roller and a floating roller, the driving roller is fixedly arranged on the fixing frame, the driving roller is driven by a driving device and a synchronous belt, the floating roller correspondingly clings to the driving roller and can synchronously rotate along with the rotation of the driving roller, a belt material is clamped between the driving roller and the floating roller and can move along with the rotation of the driving roller, a first encoder is arranged on the floating roller, the first encoder is used for measuring the rotation speed of the floating roller and forming an electric signal, and the photographing frequency is controlled according to the rotation speed measured by the first encoder.
As a further improvement of the technical scheme, the floating roller comprises a floating roller, a sliding block assembly and an elastic assembly, wherein the two shaft ends of the floating roller are respectively connected with the sliding block assembly, the sliding block assembly comprises a sliding block fixing piece and a sliding block, the sliding block is arranged on the sliding block fixing piece and can slide along the z-axis, the two shaft ends of the floating roller are respectively connected with the sliding block, and the sliding block is elastically connected with the main body frame through the elastic assembly.
As a further improvement of the technical scheme, the automatic label tape feeding device further comprises a synchronous adjusting mechanism, wherein the synchronous adjusting mechanism comprises a rotating shaft, a swinging rod roller and a second encoder, the roller is arranged on the swinging rod, the swinging rod can rotate around the rotating shaft, the second encoder is arranged on the rotating shaft and is used for measuring the rotating angle of the rotating shaft so as to determine the angle position of the swinging rod, and the feeding speed of the label tape is adjusted through the angle position of the swinging rod.
As a further improvement of the technical scheme, the label marking module comprises a fixing frame, a driving device, a rotating wheel, a lifting seat and a second elastic element, wherein the fixing frame is fixedly connected with the main body frame, the driving device is fixed on the fixing frame, the rotating wheel is fixed on the output end of the driving device, the lifting seat can move up and down relative to the fixing frame, a marking tool is arranged on the lifting seat, the second elastic element enables the lifting seat to obtain an elastic force for driving the marking tool to enter the marking position, and the rotating wheel can drive the lifting seat to drive the marking tool to leave the marking position under the driving of the driving device.
As a further improvement of the technical scheme, the rotating wheel is a cam, a protrusion is arranged on the side face of the lifting seat, and the cam abuts against the protrusion.
As the further improvement of above-mentioned technical scheme, the main part frame includes mounting bracket and inferior valve body, the mounting bracket is installed down on the casing, be provided with guide way and elastic locating piece on the mounting bracket, the guide way includes horizontal portion and vertical portion, be provided with reference column and constant head tank down on the casing, during the installation, the reference column can follow vertical portion gets into the guide way, and advance along horizontal portion backward slip gets into the rear end of horizontal portion, at this moment the elastic locating piece is located in the constant head tank, and support and lean on the constant head tank is located the groove face of rear end.
As a further improvement of the technical scheme, the positioning groove is a V-shaped groove and comprises a first groove surface and a second groove surface, the elastic positioning piece is a spring steel ball, and after the installation is completed, the elastic positioning piece is abutted against the first groove surface.
As a further improvement of the technical scheme, the device further comprises a height adjusting device, the main body frame is arranged on the height adjusting device, the height adjusting device comprises a connecting shaft and a piece to be adjusted, one end of the connection is connected with the piece to be adjusted through an adjusting piece, a through hole penetrating through the piece to be adjusted is formed in the piece to be adjusted, and when the adjusting piece is rotated out or screwed in the connecting shaft by applying external force through the through hole, the adjusting piece drives the piece to be adjusted to ascend or descend along the axial direction of the connecting shaft.
The beneficial effects of the invention are as follows:
the CIS-based label detection device comprises a main body frame, a conveying module, a label marking module, a visual identification module and an electric control module, wherein the conveying module is used for conveying a label belt, the label marking module is used for marking labels, the visual identification module comprises a CIS image sensor, the CIS image sensor corresponds to a conveying path of the label belt and is used for shooting currently corresponding labels and sending acquired image signals to the electric control module, and the electric control module processes and analyzes the received image signals and sends corresponding action instructions to the label marking module according to analysis results. The CIS image sensor is a contact type image sensing device, and compared with the scheme of shooting by adopting a CCD camera in the prior art, the CIS image sensor greatly reduces shooting focal length, omits complex mechanisms such as a lens, a fluorescent tube, a cold cathode realization tube and the like in the CCD camera, has the advantages of small volume, light weight and the like, ensures that the whole label detection device is compact, has high space utilization rate and is beneficial to the miniaturization development of the label detection device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following description will briefly explain the drawings that are required to be used in the description of the embodiments:
FIG. 1 is a schematic view of an external structure of an embodiment of the present invention;
FIG. 2 is a partially disassembled schematic illustration of one embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a visual recognition module according to an embodiment of the present invention;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is a schematic view of a first embodiment of a conveyor module according to the present invention;
FIG. 6 is a perspective view of an embodiment of a dancer roll according to the present invention;
FIG. 7 is a schematic view of a second embodiment of a conveyor module according to the present invention;
FIG. 8 is a schematic diagram of an embodiment of a synchronous adjustment mechanism according to the present invention;
FIG. 9 is a schematic diagram illustrating the construction of one embodiment of a label marking module according to the present invention;
FIG. 10 is a cross-sectional view of a label marking module of the present invention;
FIG. 11 is a schematic view of a label marking module of the present invention mounted on a body frame;
FIG. 12 is a schematic view of an embodiment of a body frame of the present invention;
FIG. 13 is a side view of a portion of the parts of the body frame;
FIG. 14 is an enlarged schematic view of the portion I in FIG. 12;
FIG. 15 is a schematic view of an embodiment of a height adjustment device according to the present invention;
fig. 16 is a schematic view of a height adjusting device applied to the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The description of the orientations of the various elements of the invention in relation to the top, bottom, left, right, etc. is merely illustrative of the relative positions of the various elements of the invention in the drawings. The technical features of the invention can be interactively combined on the premise of no contradiction and conflict.
The utility model provides a label detection device based on CIS for detect the label on the label area, including main part frame 100, transport module 200 (see fig. 5 ~ 8), label marking module 300 (see fig. 9 ~ 11), visual identification module 400 (see fig. 2 ~ 4) and automatically controlled module (not shown), transport module 200, label marking module 300, visual identification module 400 all are connected with automatically controlled module electricity, transport module 200 is used for carrying the label area, label marking module is used for marking the label, visual identification module 400 includes CIS image sensor (not shown), CIS image sensor (not shown) sets up corresponding label area's delivery path, be used for shooing current corresponding label and send the image signal who obtains to automatically controlled module (not shown), automatically controlled module (not shown) carries out processing analysis to the image signal who receives, and send corresponding action instruction to label marking module 300 according to the analysis result. The CIS image sensor is a contact type image sensing device, and compared with the scheme of shooting by adopting a CCD camera in the prior art, the CIS image sensor has the advantages of greatly reducing shooting focal length, omitting complex mechanisms such as lenses in the CCD camera, fluorescent tubes, cold cathode realization tubes and the like, along with small volume, light weight and the like, ensuring that the whole label detection device is compact, high in space utilization rate, contributing to the miniaturization development of the label detection device and being beneficial to the reasonable arrangement and installation convenience of other modules.
Referring to fig. 3 and 4, the visual recognition module 400 specifically includes a CIS image sensor 3 and a floating frame 420, the CIS image sensor 3 is disposed on the floating frame 420, the floating frame 420 includes a fixing plate 421, a first elastic element 422 and a mounting frame 423, the fixing plate 421 is connected with the main body frame 100, the CIS image sensor 3 is mounted in the mounting frame 423, and the first elastic element 422 is connected between the mounting frame 423 and the fixing plate 421.
The mounting frame 423 is provided with a receiving groove, the CIS image sensor 3 is mounted in the receiving groove, and both front and rear sides of the mounting frame 423 are further provided with notches 4231, and the shape of the notches 4231 is preferably rectangular.
The accommodating groove is communicated with the bottom surface of the mounting frame 423, so that the CIS image sensor 3 can receive optical signals fed back by the labels conveniently, through holes 4232 are formed in the bottom surface of the mounting frame 423, and the through holes 4232 are preferably waist-shaped holes so as to adapt to the strip-shaped sensing structure of the CIS image sensor 3. By setting the mounting frame 423, the distance between the lower end of the CIS image sensor 3 and the bottom surface of the mounting frame 423 (the distance can be adjusted according to the requirement of clear scanning) is fixed, so that the CIS image sensor 3 and the tag are ensured to have a fixed scanning distance all the time, and a clear scanning image is ensured all the time.
One end of the first elastic member 422 is fixed to the lower surface of the fixing plate 1, the other end of the first elastic member 422 is fixed to the CIS image sensor 3 or the mounting frame 423, and in this embodiment, in order to save the mounting space, the other end of the first elastic member 422 is fixed to the CIS image sensor 3, and the first elastic member 422 is preferably a spring, which may be provided at two positions to maintain balance.
The lower surface of the fixed plate 421 is also provided with a positioning frame 4211, one end of the spring is arranged in the positioning frame 4211, and the positioning frame 4211 can play a role in restraining and guiding the spring.
Through setting up first elastic element 422 between mounting frame 423 and CIS image sensor 3 for CIS image sensor 3 can float from top to bottom, when using, the bottom surface of mounting frame 423 contacts with the label, and the label can vibrate from top to bottom because of reasons such as conveying or mechanical vibration, through making first elastic element 422 keep certain compression volume, makes mounting frame 423 can remain in contact with the label all the time, thereby guarantees the fixed scanning distance of CIS image sensor 3 and label, guarantees clear image scanning.
Referring to fig. 5 and 6, the conveying module 200 includes a driving roller 210 and a floating roller 220, the driving roller 210 is fixedly installed on a fixed frame (not shown), the driving roller 210 is driven by a driving device 230 and a synchronous belt 240, the floating roller 220 correspondingly abuts against the driving roller 210 and can synchronously rotate along with the rotation of the driving roller 210, a belt material B is clamped between the floating roller 220 and the driving roller 210 and can move along with the rotation of the driving roller 210, the conveying of the belt material B is realized, and a tensioning wheel 250 is further arranged between the driving device 230 and the driving roller 210 and used for tensioning the synchronous belt 240 so as to ensure stable and reliable transmission. The first encoder 260 is installed on the dancer 220, the first encoder 260 is used for measuring the rotation speed of the dancer 220 and forming an electric signal, the first encoder 260 is electrically connected with the detection device, and the photographing frequency of the detection device A is controlled according to the rotation speed measured by the first encoder 260, so that the photographing frequency of the detection device is adapted to the conveying speed of the belt material, and the flexibility is provided.
The first encoder 260 is connected with the floating roller 220, is not connected with the driving roller 210, and stops moving when the belt material B is used up or is abnormal to stop feeding, the driving roller 210 still rolls, so that slipping occurs, the floating roller 220 stops along with stopping of the belt material, the rotation speed measured by the first encoder 260 is zero, the detection device A is not instructed to take a picture, and the situation that the detection device A still takes a picture to detect when the belt material B stops transmitting is avoided. The photographing frequency of the detecting device can be adjusted according to the rotation speed of the floating roller 220 measured by the first encoder 260, so as to control the photographing frequency of the detecting device by the transmission roller set.
Referring to fig. 6, the floating roller 220 includes a floating roller 221, a slider assembly 222, and an elastic assembly 223, both shaft ends of the floating roller 221 are respectively connected to the slider assembly 222, and the floating roller 221 is reciprocally movable along a z-axis (refer to rectangular coordinate system in the drawing) by the slider assembly 222.
The slider assembly 222 includes a slider fixing member 2221 and a slider 2222, the slider 2222 is disposed on the slider fixing member 2221 and can slide along the z-axis, two axial ends of the floating roller 221 are respectively connected with the slider 2222, the slider 2222 is elastically connected with the slider fixing member 2221 through an elastic assembly 223, so that the floating roller 221 can float along the z-axis along with the sliding of the slider 2222, and the slider fixing member 2221 is fixedly connected with the fixing frame 120 through a fixing hole disposed thereon.
The slider assembly 222 further includes a slider baffle 2223, where the slider baffle 2223 is disposed on a side of the slider fixing element 2221 opposite to the floating roller 221, and the slider baffle 2223 has a limiting function on the slider 2222, so as to prevent the slider 2222 from being separated from the slider fixing element.
The elastic component 223 includes a spring 2231 and an elastic force adjusting top wire 2232, the elastic force adjusting top wire 2232 passes through the slider fixing piece 2221 and the spring 2231 to be connected with the slider 2222 by threads, and the pressure of the spring 2231 can be adjusted by adjusting the depth of the elastic force adjusting top wire 2232 screwed into the slider 2222. The slider fixture 2221 is provided with a mounting hole for threading the elastic force adjustment top thread 2232.
Fig. 7 is a schematic structural view of a second embodiment of the conveying module according to the present invention, fig. 8 is a schematic structural view of an embodiment of the synchronous adjusting mechanism according to the present invention, and referring to fig. 7 and 8, the conveying roller set according to this embodiment further includes a synchronous adjusting mechanism 270 correspondingly disposed upstream of the driving roller 210 for adjusting the rotation speed of the driving roller 210 so as to adapt the rotation speed of the driving roller 210 to the feeding speed of the strip B into the conveying roller set, the synchronous adjusting mechanism includes a rotation shaft 271, a swing rod 272, a roller 273, a second encoder 274, a connecting member 275 and a sensor 276, the roller 273 is mounted on the swing rod 272, the second encoder 274 is mounted at one end of the rotation shaft 271, and the connecting member 275 is used for connecting the rotation shaft 271 and the second encoder 274. The rotation shaft 271 is provided with a second encoder 274 for measuring a rotation angle of the rotation shaft 271 to thereby determine an angular position of the swing link 272, and the rotation shaft 271 is further provided with a sensor 276 for detecting a lowest position of the swing link 272 to determine a zero point position of the second encoder 274. The winding method of the belt is shown in fig. 7, when the feeding speed of the belt is not coordinated with the conveying speed of the driving roller 210, the synchronous adjusting mechanism 270 can adjust the rotation speed of the driving roller 210, so that the conveying speed of the driving roller 210 is adapted to the feeding speed of the belt, and the feeding speed of the belt are balanced, and the belt is prevented from being detained too much or being stretched.
Specifically, when the conveying speed of the driving roller 210 is lower than that of the external conveyor, the swing rod 272 swings downwards slowly due to self weight, so that the roller 273 is abutted against the surface of the belt material, thereby tensioning the belt material, the rotating shaft 271 is provided with the second encoder 274 for measuring the rotating angle of the rotating shaft 271 so as to determine the angle position of the swing rod 272, and the rotating speed of the driving roller 210 is adjusted according to the angle position of the swing rod 272 so as to adapt to the conveying speed of the external conveying mechanism, so that a relatively balanced speed is achieved, and the belt material B is prevented from being detained and excessively accumulated upstream of the driving roller 210 before entering the driving roller; when the conveying speed of the driving roller 210 is higher than that of the external conveyor, the belt is gradually tightened so that the roller 273 is lifted upwards along with the belt to lift the swing rod 272 upwards, the second encoder 274 measures the angle of the rotating shaft 271 to determine the angle position of the swing rod 272, and the rotating speed of the driving roller 210 is adjusted through the angle position to adapt to the conveying speed of the external conveying mechanism so as to achieve a relatively balanced speed, the belt is prevented from tightening and slipping or even being broken, and the adjusting function of the synchronous adjusting mechanism 270 enables the conveying of the belt by the driving roller 210 to achieve a relatively balanced state with the conveying of the external conveying mechanism, so that speed regulation control is realized.
According to the principle, the angular position of the swing rod 272 can be preset in three ranges: a low angle range, a middle angle range, and a high angle range, in which the swing lever 272 swings slightly when the conveying speed of the driving roller 210 and the speed of the external conveying mechanism are relatively balanced in a normal state; when the conveying speed of the driving roller 210 is lower than that of the external mechanism, the swing rod 272 swings downwards and exceeds a set middle angle range to be positioned in a low angle range, at the moment, the rotating speed of the driving roller 210 is increased, and the belt material pulls up the swing rod 272 to enable the swing rod 272 to return to the set middle angle range, so that the normal state is adjusted; when the conveying speed of the driving roller 210 is higher than that of the external mechanism, the swing rod 272 swings upwards and is located in a high angle range beyond a set middle angle range, at this time, the rotating speed of the driving roller 210 is reduced, and the swing rod 272 swings back to the middle angle range, so that the normal state is adjusted; in particular, when the external conveying mechanism stops, the driving roller 210 continues to convey the belt, the belt pulls up the swing link 272, and when the swing link 272 exceeds the angle of the intermediate angle range, the rotation speed of the driving roller 210 decreases, at this time, the continuously moving belt will pull up the swing link 272 until the swing link reaches the set stop position when the belt is straightened, the second encoder 274 measures that the swing link 272 reaches the angle and feeds back a signal to the conveying roller group to stop the rotation of the driving device, that is, the driving roller 2 stops rotating, and the belt is prevented from tightening, slipping or even breaking.
The conveying roller set can be applied to detection and transmission of the belt materials, the conveying of the conveying roller set simultaneously utilizes the detection device to carry out photographing detection on the belt materials, the conveying roller set is particularly suitable for detection of labels, the driving roller 210 is in butt joint with label printing equipment, or in butt joint with the printing equipment through a synchronous adjusting mechanism, label paper printed by the label printing equipment is transmitted to the direction of the label detection device A, and meanwhile the detection device A is used for photographing and detecting the labels according to a certain frequency, so that continuous automatic detection of the labels is realized. According to the above description of the embodiment, the conveying roller set may directly feed back to the label printer through the angle change of the rotation shaft 271 (measured by the second encoder 274) without communicating with the external label printer, to determine the state of the printed label paper. And the printing speed can be automatically adjusted by the angular position of the swing rod 272, so that the conveying speed of the label paper and the printing speed of the label printer are in a balanced state. When the printer stops working, the label paper is gradually tensioned to drive the roller 273 to move upwards, the swing rod 272 is slowly lifted until the mechanism tightens the label paper, the swing rod 272 feeds back a signal to the conveying roller set, the conveying roller set stops conveying, the label paper is prevented from being stretched, at the moment, the floating roller 220 stops rotating, the rotating speed measured by the first encoder 260 is zero, the detection device stops photographing, and therefore the condition that the detection device A still photographs and detects when the belt material B stops conveying is avoided.
The label marking module 300 comprises a fixing frame, a driving device, a rotating wheel, a lifting seat and a second elastic element, wherein the fixing frame is fixedly connected with the main body frame, the driving device is fixed on the fixing frame, the rotating wheel is fixed on the output end of the driving device, the lifting seat can move up and down relative to the fixing frame, a marking tool is arranged on the lifting seat, the second elastic element enables the lifting seat to obtain an elastic force for driving the marking tool to enter the marking position, and the rotating wheel can drive the lifting seat to drive the marking tool to leave the marking position under the driving of the driving device.
Referring to fig. 9, 10 and 11, the label marking module 300 includes a driving device 310, a cam 320, a lower pen cap 330, a lifting seat 340, a second elastic element 350, a fixing frame 360, an upper pen cap 370, a marking tool 380 and a sensor 390, wherein the lifting seat 340 can slide up and down relative to the fixing frame 360, and specifically, the fixing frame 360 includes a guide sleeve 361 and a mounting plate 362, the lifting seat 340 is preferably cylindrical in shape, a through hole (not shown) matched with the lifting seat 340 is provided in the guide sleeve 361, and the lifting seat 340 is inserted into the through hole of the guide sleeve 361 and can slide up and down relative to the guide sleeve 361.
The lifting seat 340 is further provided with a marking tool 380, in this embodiment, the marking tool 380 is a space pen, a placement through hole (not shown) is provided in the lifting seat 340, the space pen is inserted into the placement through hole, the space pen is fixed by the lower pen cover 330 and the upper pen cover 370, and the space pen can be conveniently installed and replaced by arranging the placement through hole, the lower pen cover 330 and the upper pen cover 370 (the upper pen cover 370 also plays a role of fixing the second elastic element 350, which will be described later).
The space pen is not influenced by gravity, can perform inverted continuous writing, is a preferable choice for the invention, and other writing tools have various defects, such as a common oily pen, which cannot rise due to the influence of gravity when in inverted writing, and cannot perform continuous writing; such as crayon, which is vulnerable to wear during writing and is prone to contaminating surrounding parts; and the chalk is easy to consume in the writing process, and can produce dust, thereby affecting the environment and human body.
The two ends of the second elastic element 350 are respectively connected to the fixing frame 360 and the lifting seat 340, specifically, the second elastic element 350 is a compression spring, the two ends of the compression spring respectively support against the guide sleeve 361 and the upper pen cover 370, the upper pen cover 370 is fixed at the upper end of the lifting seat 340, and the fixing manner can adopt threaded connection or interference fit. Thus, the marking tool 380 mounted on the lift base 340 obtains an upward elastic force into the marking position (the marking position is where the marking tool 380 contacts the label for marking).
The driving device 310 is fixed on the fixing frame 360, the cam 320 is fixed on the output end of the driving device 310, in particular, the driving device 310 is preferably a motor, the motor is locked on the mounting plate 362, the cam 320 is fixed on the rotating shaft of the motor, the cam 320 can be a cylinder with an elliptical cross section, so that as the cam 320 rotates around the axis of the cylinder, a part contacted with the surface of the cam 320 can obtain a force capable of moving up and down, and the cam 320 is preferably rotated to be an eccentric wheel.
The elevating seat 340 is provided with a protrusion 341, and the cam 320 is abutted against the protrusion 341, and preferably, the protrusion 341 is selected as a rectangular ring which is circumferentially fixed to the elevating seat 340, whereby the elevating seat 340 obtains a force capable of moving up and down.
When the end of the cam 320 far from the rotation axis of the driving device 310 is abutted against the protrusion 341, the label marking module 300 is in an inactive state, and the label does not need to be marked; when the label is to be marked, the driving device 310 drives the cam 320 to rotate, so that the end of the cam 320, which is closer to the rotation axis of the driving device 310, is gradually close to the protrusion 341, and the lifting seat 340 drives the marking tool 380 to contact the label under the action of the elastic force of the second elastic element 350.
The label marking module 300 further includes a sensor 390, where the sensor 390 is used to record and feed back the marking status of the label marking module 300, and specifically, the sensor 390 includes an opposite-type photoelectric sensor 391 fixed on the mounting plate 362 and a baffle 392 fixed on the cam 320, and the baffle 392 intermittently shields the light in the middle of the opposite-type photoelectric sensor 391 along with the rotation of the cam 320, so that the number of unqualified labels can be recorded, and the label production condition is monitored.
Fig. 11 is a schematic view of an embodiment of the label marking module 300 according to the present invention mounted on the main body frame 100, the label marking module 300 is locked to the lower portion of the main body frame 100 by a fixing frame 360 (refer to fig. 9), and the label marking module 300 is located between the driving roller 210 and the driven roller 220 (refer to fig. 5).
The conventional label marking module 300 is generally installed outside the driving roller to obtain a more abundant reaction time (a process of detecting an unqualified label by scanning the label and then ordering the label marking device to mark the label requires a certain time), however, such equipment occupies a large space, which is unfavorable for the miniaturization development of the label detection equipment.
Referring to fig. 1, 12, 13, for ease of illustration, a reference coordinate system is shown in fig. 12, wherein the z-axis direction is the up-down direction, the y-axis direction is the front-back direction, +y is the front, -y is the back. The main body frame 100 comprises a lower shell 110 and a mounting frame 120, the mounting frame 120 is mounted on the lower shell 110, a guide groove 121 and an elastic positioning piece 122 are arranged on the mounting frame 120, the guide groove 121 comprises a transverse portion 1212 and a vertical portion 1211, the lower shell 110 comprises a support panel 111 and a positioning baffle 112, a positioning column 1121 and a positioning groove 1122 are arranged on the positioning baffle 112, and when the main body frame is mounted, the positioning column 1121 can enter the guide groove 121 from the vertical portion 1211 and slide backwards along the transverse portion 1212 to enter the rear end of the transverse portion 1212, and at the moment, the elastic positioning piece 122 is positioned in the positioning groove 1122 and abuts against the groove surface of the rear end of the positioning groove.
The positioning groove 1122 is a V-groove and comprises a first groove surface and a second groove surface, the first groove surface is at the back, the second groove surface is at the front, wherein the elastic positioning piece 122 is a spring steel ball, and after the installation is completed, the elastic positioning piece 122 is abutted against the first groove surface.
In this embodiment, the main body frame 100 includes a lower housing 110, a mounting frame 120 and an upper housing 130, the mounting frame 120 is mounted on the lower housing 110, the upper housing 130 is mounted on the mounting frame 120, the lower housing 110 includes a support panel 111 and two positioning baffles 112 disposed on two sides of the support panel 111, positioning columns 1121 and positioning slots 1122 are respectively disposed on the two positioning baffles 112, the mounting frame 120 includes two mounting plates 123 combined with the positioning baffles 112, a guiding slot 121 and an elastic positioning member 122 are disposed on the mounting plates 123, when the positioning columns 1121 are clamped in the guiding slot 121, the elastic positioning member 122 tightly pushes the positioning slots 1122 to enable the positioning columns 1121 to abut against the guiding slot 121, so as to prevent the mounting frame 120 from moving relative to the lower housing 110, and achieve rapid positioning of the lower housing 110 and the mounting frame 120.
In this embodiment, the positioning grooves 1122 are disposed on the inner sides of the two positioning baffles 112, and the positions of the two positioning grooves 1122 are opposite. That is, the two mounting plates 123 are respectively in contact with the inner sides of the positioning baffle 112, and the positioning grooves 1122 are respectively provided on the inner sides of the baffle 120.
Specifically, the positioning groove 1122 is a V-shaped groove, and includes a first groove surface 1122a and a second groove surface 1122b that intersect, and when the positioning groove 1122 is vertically disposed, the first groove surface 1122a is close to the positioning post 1121.
The guide groove 121 is L-shaped and includes a vertical portion 1211 and a lateral portion 1212 to apply an external force to the lower housing such that the positioning post 1121 slides into and is clamped to the end of the lateral portion 1212 along the guide groove 121. At this time, the elastic positioning member 122 abuts against the first groove surface 1122a and the second groove surface 1122b, or the elastic positioning member 122 abuts against only the second groove surface 1122 b. In a preferred embodiment, the elastic positioning member 122 abuts only the second groove surface 1122 b. The elastic positioning member 122 is eccentrically disposed with respect to the V-shaped groove, and the force applied to the mounting plate 123 by the second groove surface 1122b is opposite to the force applied to the mounting plate 123 by the positioning post 1121, limiting the degree of freedom in the lateral direction of the mounting bracket 120, so that the mounting bracket 120 can be securely mounted on the lower housing 110.
In this embodiment, the mounting plate 123 is provided with a through hole, and the elastic positioning member 122 is fixed in the through hole. The elastic positioning piece 122 comprises a contact portion and a deformable structure connected with the contact portion, when the mounting plate 123 and the positioning baffle 112 are assembled and positioned, the contact portion can be completely accommodated in the through hole, specifically, the elastic positioning piece 122 is a spring steel ball, the steel ball is a contact portion, and the spherical surface of the steel ball is tangent to the first groove surface of the V-shaped groove. The positioning post 1121 is detachably mounted on the positioning baffle 112, specifically a latch. Of course, the positioning groove is not only a V-shaped groove, but also a groove with a rectangular or trapezoid opening, so that the positioning column and the guide groove can be abutted and positioned.
Taking the guide groove 121 including the vertical portion 1211 and the transverse portion 1212 as an example, the disassembly and assembly of the lower housing 110 and the mounting frame 120 will be described, wherein the opening of the vertical portion 1211 is downward, and when assembling, an external force is applied to the mounting frame 120 to enable the mounting frame 120 to move downward and then move transversely; upon disassembly, the mount 120 moves in the opposite direction as when assembled. In the assembly or disassembly process, the mounting plate and the positioning baffle plate slide relatively, the contact part is extruded and accommodated in the through hole, and when the positioning column is clamped in place, the contact part extends out of the through hole and is abutted in the V-shaped groove.
The V-shaped grooves may also be laterally disposed, and in yet another embodiment, the positioning baffle 112 is laterally V-shaped with the first groove surface above and the second groove surface below. The guide slot comprises a vertically arranged clamping part, the positioning column is clamped at the tail end of the clamping part, specifically, the opening of the clamping part is downward, the lower shell is vertically and downwardly clamped with the positioning column, the positioning column gives the lower shell an upward extrusion force, the elastic element is clamped in the transversely arranged V-shaped slot, and as a preferred embodiment, only the first plane of the first plane and the second plane gives the downward acting force of the elastic element to limit the vertical degree of freedom of the lower shell.
The end of the mounting plate 123, which is in contact with the support panel, is also provided with a wedge surface 124, and the support panel 111 is provided with a stopper matched with the wedge surface, and the stopper and the support panel are integrally formed.
In this embodiment, the outer sides of the positioning baffle 112 are respectively in contact with the mounting plates 123. In another embodiment, the inner sides of the positioning baffles 112 may be respectively contacted with the mounting plates 123, in which case the positioning posts 1121 are respectively arranged at the outer sides of the positioning baffles 112, the positioning grooves 1122 are arranged at the outer sides of the positioning baffles 112, and the mounting plates 123 are provided with the guide grooves 121 and the elastic positioning members 122 which are matched with the positioning posts 1121 and the positioning grooves 1122.
In addition, the elastic element in this embodiment may also be disposed on the mounting frame, and the corresponding underground casing is provided with a positioning slot corresponding to the elastic element. The quick dismounting device provided by the invention is simple, can effectively replace the traditional clamping connection or threaded connection mode, greatly improves the efficiency of the assembly or dismounting device, and can be applied between two parts which are frequently required to be dismounted.
Fig. 15 is an exploded view of an embodiment of the height adjusting device according to the present invention, and referring to fig. 1, 2 and 15, the height adjusting device is used for adjusting the height of the fixing frame 120, and includes a connecting shaft 510, one end of the connecting shaft 510 is connected with the fixing frame 120 through an adjusting member 520, a through hole 121 penetrating the fixing frame 120 is formed in the fixing frame 120, and when the adjusting member 520 is screwed out or screwed in the connecting shaft 510 through the through hole 121, the adjusting member 520 drives the fixing frame 120 to rise or fall along the axial direction of the connecting shaft 510.
The adjusting member 520 includes an adjusting body and an adjusting head, the connecting shaft 510 is screw-coupled with the adjusting body, an adjusting groove 521 is formed at the center of the end of the adjusting head, the adjusting member 520 is screwed in or out of the connecting shaft 510 by applying an external force to the adjusting groove 521, and the fixing frame 120 is axially lifted or lowered along the connecting shaft 510. Specifically, the end surface of the adjustment head abuts against the outer edge portion of the through hole 121 on the fixing frame 120. In this embodiment, the adjusting member 520 is preferably a screw, the adjusting groove 521 is preferably a hexagonal groove, and a hexagonal key wrench is used to adjust the screw, and one end of the hexagonal key wrench passes through the through hole and is clamped into the adjusting groove 521, so as to apply an external force to the hexagonal key wrench to adjust the height of the screw relative to the connecting shaft 510.
The height adjusting device in this embodiment further includes a first enclasping mechanism 540 and a second enclasping mechanism 530, where the first enclasping mechanism 540 and the second enclasping mechanism 530 are respectively enclasped at two ends of the connecting shaft 510, and the second enclasping mechanism 530 is fixedly connected with the fixing frame 120. The second enclasping mechanism 530 is similar to the first enclasping mechanism 540 in structure, taking the first enclasping mechanism 540 as an example, the first enclasping mechanism 540 includes a base 541, a connecting sheet 542, and enclasping arms 543 disposed on two sides of the connecting sheet 542, where the two enclasping arms 543 are symmetrically disposed, the connecting sheet 542 and the base 541 are integrally disposed, and the two enclasping arms 543 can be enclasped on the sleeve 510 by a locking device. Specifically, the two clasping arms 543 are locked by bolts. The base 541 is also perforated to allow connection with other structures. In a normal state, the first enclasping mechanism 540 and the second enclasping mechanism 530 are enclasped at two ends of the connecting shaft 510, the base part of the second enclasping mechanism 530 is fixedly connected with the fixing frame 120, and when the height adjustment is performed, the locking device of the second enclasping mechanism 530 is loosened, and then the adjusting piece 520 is adjusted, so that the height adjustment of the fixing frame 120 is realized.
The second enclasping mechanism is different from the first enclasping mechanism in that at least one guide groove 531 is formed on the inner wall of the second enclasping mechanism, and the connecting shaft 510 is provided with a protruding structure capable of sliding into the guide groove 531. The protruding structure may be a flange provided on the connecting shaft, or may be a key structure 110. The protruding structure may prevent the second clasping mechanism 530 from rotating during height adjustment.
When the fixing frame 120 is required to rotate relative to the first enclasping mechanism 540, the locking device on the first enclasping mechanism 540 is released, and the enclasping arm 543 is released to rotate the connecting shaft 510 relative to the first enclasping mechanism 540, so as to adjust the positioning angle of the device.
Fig. 16 is a schematic view of a height adjusting device applied to the present invention, and referring to fig. 1, 2 and 16, the height adjusting device includes a mounting seat 550 and a bottom plate 570, the first enclasping mechanism 540 is fixedly connected to the mounting seat 550, and the mounting seat 550 is fixed on the bottom plate 570 through a locking structure. Specifically, the bottom plate 570 is provided with a guiding groove 571 for sliding the mounting seat 550, two parallel sliding grooves 551 are provided on the mounting seat 550 along the outer edge area of the first enclasping mechanism 540, and the locking structure passes through the sliding grooves 551 and is locked in the guiding groove 571 to fix the mounting seat 550. Before adjusting the mounting seat 550 and the height adjusting device, the locking structure is released, and then the mounting seat 550 and the height adjusting device are moved to a proper position along the guide groove 571 together, and locking is restored.
The present invention is not limited to the above-described embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (9)
1. A label detection device based on CIS for detect the label on the label area, its characterized in that: the automatic labeling device comprises a main body frame, a conveying module, a label labeling module, a visual identification module and an electric control module, wherein the conveying module is used for conveying a label belt, the label labeling module is used for labeling labels, the visual identification module comprises a CIS image sensor, the CIS image sensor is arranged corresponding to a conveying path of the label belt and is used for shooting the currently corresponding label and sending acquired image signals to the electric control module, and the electric control module is used for processing and analyzing the received image signals and sending corresponding action instructions to the label labeling module according to analysis results;
the conveying module comprises a driving roller and a floating roller, the driving roller is fixedly arranged on the fixing frame, the driving roller is driven by a driving device and a synchronous belt, the floating roller correspondingly clings to the driving roller and can synchronously rotate along with the rotation of the driving roller, and a belt material is clamped between the driving roller and the floating roller and can move along with the rotation of the driving roller;
the CIS-based label detection device further comprises a synchronous adjustment mechanism, wherein the synchronous adjustment mechanism comprises a rotating shaft, a swinging rod roller and a second encoder, the roller is arranged on the swinging rod, the swinging rod can rotate around the rotating shaft, the second encoder is arranged on the rotating shaft and is used for measuring the rotating angle of the rotating shaft so as to determine the angle position of the swinging rod, and the rotating speed of the driving roller is adjusted through the angle position of the swinging rod;
when the conveying speed of the driving roller is lower than that of the external conveyor, the swinging rod swings downwards due to self weight, so that the roller is abutted against the surface of the belt material, and the belt material is tensioned;
when the conveying speed of the driving roller is higher than that of the external conveyor, the belt materials are gradually tightened, so that the roller is lifted upwards along with the belt materials, and the swing rod is lifted upwards.
2. The CIS-based label detecting apparatus according to claim 1, wherein: the visual identification module further comprises a floating frame, the CIS image sensor is arranged on the floating frame, the floating frame comprises a fixed plate, a first elastic element and a mounting frame, the CIS image sensor is mounted in the mounting frame, the first elastic element is connected between the mounting frame and the fixed plate, and the fixed plate is connected with the main body frame.
3. The CIS-based label detecting apparatus according to claim 1, wherein: the floating roller is provided with a first encoder, the first encoder is used for measuring the rotating speed of the floating roller and forming an electric signal, and the photographing frequency is controlled according to the rotating speed measured by the first encoder.
4. The CIS-based label detecting apparatus according to claim 1, wherein: the floating roller comprises a floating roller, a sliding block assembly and an elastic assembly, wherein the two shaft ends of the floating roller are respectively connected with the sliding block assembly, the sliding block assembly comprises a sliding block fixing piece and a sliding block, the sliding block is arranged on the sliding block fixing piece and can slide along the z-axis, the sliding block is connected with the sliding block fixing piece through the elastic assembly, the two ends of the floating roller are fixedly connected with the sliding block, and the sliding block fixing piece is connected with the fixing frame.
5. The CIS-based label detecting apparatus according to claim 1, wherein: the label marking module comprises a fixing frame, a driving device, a rotating wheel, a lifting seat and a second elastic element, wherein the fixing frame is fixedly connected with the main body frame, the driving device is fixed on the fixing frame, the rotating wheel is fixed on the output end of the driving device, the lifting seat can move up and down relative to the fixing frame, a marking tool is arranged on the lifting seat, the second elastic element enables the lifting seat to obtain elastic force for driving the marking tool to enter the marking position, and the rotating wheel can drive the lifting seat to drive the marking tool to leave the marking position under the driving of the driving device.
6. The CIS-based label detecting apparatus of claim 5, wherein: the runner is a cam, a protrusion is arranged on the side face of the lifting seat, and the cam abuts against the protrusion.
7. The CIS-based label detecting apparatus according to claim 1, wherein: the main body frame comprises a mounting frame and a lower shell, the mounting frame is mounted on the lower shell, a guide groove and an elastic locating piece are arranged on the mounting frame, the guide groove comprises a transverse portion and a vertical portion, a locating column and a locating groove are arranged on the lower shell, during mounting, the locating column can enter the guide groove from the vertical portion and enter the rear end of the transverse portion in a backward sliding mode along the transverse portion, and at the moment, the elastic locating piece is located in the locating groove and abuts against the locating groove on the groove face of the rear end.
8. The CIS-based label detecting apparatus of claim 7, wherein: the positioning groove is a V-shaped groove and comprises a first groove surface and a second groove surface, the elastic positioning piece is a spring steel ball, and the elastic positioning piece abuts against the first groove surface after installation is completed.
9. The CIS-based label detecting apparatus according to claim 1, wherein: the height adjusting device is arranged on the main body frame, the height adjusting device comprises a connecting shaft and a piece to be adjusted, one end of the connection is connected with the piece to be adjusted through an adjusting piece, a through hole penetrating through the piece to be adjusted is formed in the piece to be adjusted, external force is applied to the adjusting piece through the through hole, and when the adjusting piece is screwed out or screwed in the connecting shaft, the adjusting piece drives the piece to be adjusted to ascend or descend along the axial direction of the connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526990.0A CN108647544B (en) | 2018-05-28 | 2018-05-28 | Label detection device based on CIS |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526990.0A CN108647544B (en) | 2018-05-28 | 2018-05-28 | Label detection device based on CIS |
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| CN101000698A (en) * | 2006-01-11 | 2007-07-18 | 广州广电运通金融电子股份有限公司 | CIS precision checking equipment |
| CN102485489A (en) * | 2010-12-03 | 2012-06-06 | 致伸科技股份有限公司 | Label printing device |
| CN104237249A (en) * | 2014-09-11 | 2014-12-24 | 苏州佳祺仕信息科技有限公司 | Tag appearance inspection and detection technological method |
| CN105699386A (en) * | 2016-02-29 | 2016-06-22 | 东华大学 | Automatic cloth inspection marking method adopting contact image sensor |
| CN208225063U (en) * | 2018-05-28 | 2018-12-11 | 深圳市盛世智能装备有限公司 | A kind of tag detection device based on CIS |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2943931B1 (en) * | 2013-01-14 | 2021-01-27 | Crest Solutions Limited | A label inspection system and method |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000698A (en) * | 2006-01-11 | 2007-07-18 | 广州广电运通金融电子股份有限公司 | CIS precision checking equipment |
| CN102485489A (en) * | 2010-12-03 | 2012-06-06 | 致伸科技股份有限公司 | Label printing device |
| CN104237249A (en) * | 2014-09-11 | 2014-12-24 | 苏州佳祺仕信息科技有限公司 | Tag appearance inspection and detection technological method |
| CN105699386A (en) * | 2016-02-29 | 2016-06-22 | 东华大学 | Automatic cloth inspection marking method adopting contact image sensor |
| CN208225063U (en) * | 2018-05-28 | 2018-12-11 | 深圳市盛世智能装备有限公司 | A kind of tag detection device based on CIS |
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Country or region after: China Address after: 518108 Huike Industrial Park, No. 1 Industrial Road, Shilong Community, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Shengshi Intelligent Equipment Co.,Ltd. Address before: 518108 Huike Industrial Park, No. 1 Industrial Road, Shilong Community, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN SUNSON INTELLIGENT EQUIPMENT Co.,Ltd. Country or region before: China |
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