CN115009794B - Full-automatic plate conveying production line and production control system thereof - Google Patents
Full-automatic plate conveying production line and production control system thereof Download PDFInfo
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Abstract
The invention relates to the technical field of plate production equipment, and particularly provides a full-automatic plate conveying production line and a production control system thereof, wherein the production line comprises an automatic conveying line, and a feeding device, a code spraying device, a cutting device and a sorting device which are sequentially arranged along the automatic conveying line; the production control system adopted by the production line comprises an acquisition module, a master control module and a plurality of sub-control modules, wherein the master control module is respectively connected with the automatic conveying line, the acquisition module and the sub-control modules; the acquisition module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line and used for detecting the position of the plate, and the camera is used for shooting images of the automatic conveying line in real time; the sub-control module is correspondingly connected with and controls the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment; the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line. The invention can reduce unnecessary energy consumption and vacant position of equipment, reduce cost and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of plate production equipment, in particular to a full-automatic plate conveying production line and a production control system thereof.
Background
The existing plate products are generally manufactured by adopting an automatic assembly line, and in the production process, the control coordination of processing equipment of each procedure on the production line is poor, so that the equipment is idle (idling) more, and the production efficiency is reduced; in addition, even if the plate is still at a certain distance from the processing equipment which is conveyed to the corresponding working procedure, the processing equipment is still in an action state, and the equipment idles, so that energy is wasted.
Disclosure of Invention
In order to solve the technical problem, the invention provides a full-automatic plate conveying production line which comprises an automatic conveying line, and a feeding device, a code spraying device, a cutting device and a sorting device which are sequentially arranged along the automatic conveying line;
the production control system comprises an acquisition module, a master control module and a plurality of sub-control modules, wherein the master control module is respectively connected with the automatic conveying line, the acquisition module and the sub-control modules;
the collecting module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line and used for detecting the position of the plate, and the camera is used for shooting images of the automatic conveying line in real time;
the plurality of sub-control modules are respectively and correspondingly connected with and control feeding equipment, code spraying equipment, cutting equipment and sorting equipment;
the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line;
the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment are all provided with a plurality of similar equipment which are connected in parallel through automatic conveying lines;
the master control module comprises a coordination submodule which acquires the processing time of each device on the plate through the sub-control module;
the coordination submodule determines the single board processing reduced time and the number of the startup using units in different procedures according to the processing time of the first board by different equipment, so that the single board processing reduced time in different procedures is the same or the difference is the minimum. Optionally, the automatic conveying line comprises a supporting mechanism, a roller shaft, a transmission mechanism and a driving device;
the supporting mechanism is arranged in a factory building according to the production line plan, the roll shaft is arranged on the supporting mechanism through a bearing; the driving device is in transmission connection with the roll shaft through the transmission mechanism;
the automatic conveying line is segmented according to feeding equipment, code spraying equipment, cutting equipment and sorting equipment, the roll shafts in the same segment form a group, and the roll shafts in the same group are provided with the same driving device;
and the coordination submodule controls the rotating speed of the driving device of the same group of roll shafts of the previous section of the corresponding procedure according to the single plate processing reduced time of different procedures, so that the conveying speed of the plate is adaptive to the single plate processing reduced time of the corresponding procedure.
Optionally, a surplus material utilizing device is arranged between the cutting device and the sorting device, and the surplus material utilizing device is used for collecting and/or reprocessing the surplus materials of the plates, which are formed by processing the plates by the cutting device, after the surplus materials of the plates are transferred to the automatic conveying branch line by the automatic conveying line.
Optionally, the sorting equipment includes translation mechanism, a plurality of transfer passage and the three-dimensional storehouse of letter sorting, the automatic conveying line sets up visual detection device, visual detection device is connected with total accuse module and is used for detecting whether qualified panel, translation mechanism is used for sending qualified panel on the automatic conveying line to a plurality of on the transfer passage, transfer passage be used for with panel carry extremely in the three-dimensional storehouse of letter sorting.
The invention also provides a production control system of the full-automatic plate transmission production line, which comprises an acquisition module, a master control module and a plurality of sub-control modules, wherein the master control module is respectively connected with the automatic conveying line, the acquisition module and the sub-control modules;
the collecting module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line and used for detecting the position of the plate, and the camera is used for shooting images of the automatic conveying line in real time;
the sub-control modules are correspondingly connected with and control the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment;
and the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line.
Optionally, the master control module is connected with an alarm, and the alarm is used for sending an alarm signal when the production line is abnormal.
Optionally, the master control module is connected with a deviation rectifying module, the deviation rectifying module is used for identifying the plate from the image of the automatic conveying line and extracting plate position information, the plate position information is compared with the plate position detected by the position sensor, and if a plate positioning deviation exists, the plate position information is corrected according to the plate position information.
Optionally, the automatic conveying line comprises a supporting mechanism, a roller shaft, a transmission mechanism and a driving device;
the supporting mechanism is arranged in a factory building according to production line planning, and the roll shaft is arranged on the supporting mechanism through a bearing; the driving device is in transmission connection with the roll shaft through the transmission mechanism;
the automatic conveying line is segmented according to feeding equipment, code spraying equipment, cutting equipment and sorting equipment, each segment is provided with a position sensor and a camera, the roll shafts of the same segment form a group, and the roll shafts of the same group are provided with the same driving device;
the main control module is internally provided with a conveying correction submodule, the conveying correction submodule identifies and extracts plate position information in an automatic conveying line image according to plate positions acquired by the position sensors of all the sections and plate position information acquired by the camera, positioning compensation quantity of plates on all the sections along the conveying direction of the automatic conveying line is respectively determined by adopting a mode of calculating positioning data difference values of the plate positions and the plate position information, and the rotating speed of the driving device of each section is corrected according to the positioning compensation quantity of the plates on all the sections.
Optionally, an image processing submodule is arranged in the master control module, and before identifying a plate for an image of an automatic conveying line, the image processing submodule is configured to perform the following processing on the image of the automatic conveying line:
carrying out graying processing on the automatic conveying line image to obtain a corresponding grayed automatic conveying line image;
based on each pixel point in the automatic conveying line image after the graying processing, the product of the R channel pixel value and the R channel weighted value, the product of the G channel pixel value and the G channel weighted value and the product of the B channel pixel value and the B channel weighted value are added to obtain the gray value of the corresponding pixel point, a Gaussian filter algorithm is adopted to combine the inherent variation of the image window and the total variation of the image window to form a structure-texture decomposition regularizer, and the automatic conveying line image after the smoothing processing is obtained by smoothing processing;
and carrying out image enhancement processing on the automatic conveying line image after the smoothing processing, namely carrying out supervised model training on the automatic conveying line image after the smoothing processing by adopting an image enhancement model to obtain the image of the automatic conveying line after the image enhancement.
Optionally, in the structure-texture decomposition regularizer, the total variation of the image window is represented by the following total variation model:
in the above equation, M represents a total variation model of the image window; s represents an output structure image; s p Representing p pixel points in the output structural image; I.C. A p Representing p pixel points in the input image; p represents a pixel point; q represents the index of all pixel points in a square area with the p pixel point as the center; x and y represent the lateral and vertical pixel coordinates of the image, respectively; epsilon represents a correction factor, and epsilon =0.001 can be taken; g p,q Representing a Gaussian kernel function using a Gaussian filter algorithm, having
In the above formula, x p Representing the horizontal pixel coordinates of the p pixel points; x is the number of q Representing the horizontal pixel coordinates of the q pixel points; y is p Expressing the vertical pixel coordinates of the p pixel points; y is q Expressing the longitudinal pixel coordinates of the q pixel points; σ denotes a gaussian spatial scale.
According to the full-automatic plate conveying production line and the production control system thereof, the position sensor and the camera are arranged on the automatic conveying line and are respectively used for detecting the position of a plate and shooting an image of the automatic conveying line in real time, the plate positioned on the automatic conveying line is positioned and respectively sent to the sub-control modules configured by the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment through the acquisition module of the production control system, the sub-control modules control and coordinate the processing equipment such as the feeding equipment, the code spraying equipment, the cutting equipment or the sorting equipment according to the positioning of the plate, and after the corresponding processing equipment sends out the processed plate, when the next plate does not reach the inlet of the corresponding processing equipment, the corresponding processing equipment is in a static state of keeping power on so as to reduce unnecessary energy consumption of the equipment; in addition, the idle time of processing equipment can be reduced by controlling the conveying speed of the automatic conveying line to the plate, and the production efficiency of a production line is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic plan view of a fully automatic sheet material conveying line according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a production control system of a fully automatic sheet material conveying line according to an embodiment of the present invention;
FIG. 3 is a schematic plan view of a plurality of cutting devices, distribution conveying lines and discharging conveying lines thereof adopted in an embodiment of the full-automatic plate conveying production line of the invention;
FIG. 4 is a partial schematic view of the embodiment of FIG. 3;
FIG. 5 is an enlarged view of the portion A in the embodiment of FIG. 3;
FIG. 6 is a schematic plan view of a conveying channel and a three-dimensional sorting bin of the sorting equipment used in the embodiment of the full-automatic plate conveying production line of the invention;
FIG. 7 is a schematic plan view of a portion of an outfeed conveyor line used in an embodiment of the fully automatic sheet material transport production line of the present invention;
in the figure: 1. a feeding device; 2. code spraying equipment; 3. cutting equipment; 30. distributing a conveying line; 300. a first conveying section; 301. a second conveying section; 32. a discharging conveying line; 320. a first discharge conveyor line; 321. a second discharge conveyor line; 322. a first land portion; 323. a second land portion; 324. a visual inspection device; 4. sorting equipment; 41. a delivery channel; 42. sorting a three-dimensional bin; 5. a remainder utilizing device; 6. automatic transfer chain.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 to 7, an embodiment of the present invention provides a full-automatic plate conveying production line, which includes an automatic conveying line 6, and a feeding device 1, a code spraying device 2, a cutting device 3, and a sorting device 4, which are sequentially arranged along the automatic conveying line 6;
the production control system comprises an acquisition module, a master control module and a plurality of sub-control modules, wherein the master control module is respectively connected with the automatic conveying line 6, the acquisition module and the sub-control modules;
the acquisition module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line 6 and used for detecting the position of the plate, and the camera is used for shooting an image of the automatic conveying line in real time;
the plurality of sub-control modules are respectively and correspondingly connected with and control the feeding equipment 1, the code spraying equipment 2, the cutting equipment 3 and the sorting equipment 4;
the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line;
the feeding equipment 1, the code spraying equipment 2, the cutting equipment 3 and the sorting equipment 4 are all provided with a plurality of similar equipment which are connected in parallel through an automatic conveying line 6;
the master control module comprises a coordination submodule, and the coordination submodule acquires the processing time of each device on the plate through the sub-control modules;
the coordination submodule determines the single board processing reduced time length and the number of the startup use units in different procedures according to the processing time length of the first board by different equipment, so that the single board processing reduced time lengths in different procedures are the same or the difference is the minimum.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the position sensor and the camera are arranged on the automatic conveying line and are respectively used for detecting the position of a plate and shooting an image of the automatic conveying line in real time, the plate positioned on the automatic conveying line is positioned by the acquisition module of the production control system and is respectively sent to the feeding equipment, the code spraying equipment, the cutting equipment and the sub-control module configured by the sorting equipment, the sub-control module controls and coordinates the processing equipment such as the feeding equipment, the code spraying equipment, the cutting equipment or the sorting equipment according to the positioning of the plate, and after the corresponding processing equipment sends out the processed plate, when the next plate does not reach the inlet of the corresponding processing equipment, the corresponding processing equipment is in a static state of keeping power on so as to reduce unnecessary energy consumption of the equipment; in addition, the idle time of processing equipment can be reduced by controlling the conveying speed of the automatic conveying line to the plate, and the production efficiency of a production line is improved. The scheme is suitable for processing various different plates, and can automatically determine the single plate processing folding time and the number of used starting machines in different procedures, so that the single plate processing folding time is the same or the difference is the minimum, and the coordination of various devices in different procedures can be enhanced; the same automatic conveying line is connected with a plurality of similar processing devices in parallel, different processing devices are correspondingly adopted in different procedures, each processing device collects and records the processing time length of the plate, the coordination sub-module in the master control module is used for calculating, and the single plate processing folding time length and the number of the used starting devices in different procedures are determined, so that the single plate processing folding time lengths in different procedures are the same or the difference is the minimum, the coordination of the devices in different procedures can be enhanced, the processing time length difference of the devices in the procedures is reduced, the idle time of the devices in the procedures is shortened, and the production efficiency is further improved under the condition of lower energy consumption; for example: if the time for the feeding equipment to feed a single plate is 0.5 second and the time for the code spraying equipment to spray the code on the single plate is 1 second, starting 2 feeding equipment simultaneously under the condition of starting 4 code spraying equipment, wherein the time for single plate processing is 0.25 second, and the feeding equipment and the code spraying equipment can be in an action state continuously without idle time; the scheme can be suitable for processing different plates, and the number of processing equipment needing to be started in each process is automatically matched and determined according to the plate processing requirements and the process conditions; the equipment with more starting units in the same procedure can be subjected to alternate rest, and the equipment can be overhauled, maintained and maintained under the condition of not influencing production, so that the running state of the equipment used during starting is improved, and the service life of the equipment is prolonged; in the former example, if there are 3 loading devices and 7 code spraying devices in the same automatic conveying line, 3 loading devices and 6 code spraying devices can be started simultaneously, the time for single plate processing is reduced to 1/6 second, wherein 1 code spraying device is in turn stopped, and the code spraying devices can be maintained and repaired while production is in turn stopped.
In one embodiment, the automatic conveying line 6 comprises a supporting mechanism, a roller shaft, a transmission mechanism and a driving device;
the supporting mechanism is arranged in a factory building according to production line planning, and the roll shaft is arranged on the supporting mechanism through a bearing; the driving device is in transmission connection with the roll shaft through the transmission mechanism;
the automatic conveying line is segmented according to a feeding device 1, a code spraying device 2, a cutting device 3 and a sorting device 4, the roller shafts of the same segment form a group, and the roller shafts of the same group are provided with the same driving device;
and the coordination submodule controls the rotating speed of the driving device of the same group of roll shafts of the previous section of the corresponding procedure according to the single plate processing reduced time of different procedures, so that the conveying speed of the plate is adaptive to the single plate processing reduced time of the corresponding procedure.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the automatic conveying line is controlled in a segmented mode according to the processing equipment, the rotating speed of the driving device of the corresponding segment is reasonably controlled by the coordination submodule according to the conversion time of the single plate processing and the processing time of the single plate by each processing equipment, so that the conveying speed of the plate is matched with the conversion time of the single plate processing of the corresponding process and the processing time of the single plate by each processing equipment, the coordination control of the conveying speed and the processing equipment is realized, the condition that the equipment is vacant due to untimely plate conveying is avoided, and the production efficiency is further improved.
In one embodiment, a surplus material utilizing device 5 is arranged between the cutting device 3 and the sorting device 4, and the surplus material utilizing device 5 is used for collecting and/or reprocessing the surplus material of the plate materials formed by processing the plate materials by the cutting device after the surplus material of the plate materials is transferred to an automatic conveying branch line by an automatic conveying line 6.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the excess material utilization device is arranged, the excess material of the plate formed by processing the plate by the cutting equipment is collected and/or reprocessed, the material utilization rate is improved, the material waste is reduced, and the production cost is reduced.
In one embodiment, the sorting apparatus 4 comprises a translation mechanism, a plurality of conveying channels 41 and a sorting stereoscopic warehouse 42, the automatic conveying line is provided with a visual detection device 324, the visual detection device 324 is connected with the master control module and is used for detecting whether the sheet material is qualified, the translation mechanism is used for conveying the qualified sheet material on the automatic conveying line to the plurality of conveying channels, and the conveying channels are used for conveying the sheet material to the sorting stereoscopic warehouse.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the visual detection device is used for detecting, so that unqualified products and qualified products can be prevented from being mixed into the three-dimensional sorting bin; the plates detected to be qualified are distributed to a plurality of conveying channels by the translation mechanism to enter the sorting three-dimensional bin, and the conveying efficiency is improved through two-time grading conveying.
As shown in fig. 2, an embodiment of the present invention provides a production control system for a full-automatic plate transmission production line, which is used for the full-automatic plate transmission production line, and includes an acquisition module, a master control module and a plurality of branch control modules, where the master control module is connected to an automatic conveying line, the acquisition module and the branch control modules respectively;
the collecting module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line and used for detecting the position of the plate, and the camera is used for shooting images of the automatic conveying line in real time;
the sub-control module is correspondingly connected with and controls the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment;
and the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the position sensor and the camera are arranged on the automatic conveying line and are respectively used for detecting the position of a plate and shooting an image of the automatic conveying line in real time, the plate positioned on the automatic conveying line is positioned by the acquisition module of the production control system and is respectively sent to the feeding equipment, the code spraying equipment, the cutting equipment and the sub-control module configured by the sorting equipment, the sub-control module controls and coordinates the processing equipment such as the feeding equipment, the code spraying equipment, the cutting equipment or the sorting equipment according to the positioning of the plate, and after the corresponding processing equipment sends out the processed plate, when the next plate does not reach the inlet of the corresponding processing equipment, the corresponding processing equipment is in a static state of keeping power on so as to reduce unnecessary energy consumption of the equipment; in addition, the idle time of processing equipment can be reduced by controlling the conveying speed of the automatic conveying line to the plate, and the production efficiency of a production line is improved.
In one embodiment, the position sensor employs a laser correlation sensor; the master control module is connected with an alarm which is used for sending out an alarm signal when the production line is abnormal.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the alarm is arranged, so that an alarm signal can be sent out when the production line is abnormal, processing measures can be reminded to be taken timely, unqualified product processing or increase of equipment idle time caused by the abnormal production line is avoided, and the production efficiency is reduced; the production line abnormity comprises plate conveying accident interruption, data acquisition interruption, processing equipment failure and the like; the alarm can be a light or sound alarm.
In one embodiment, the general control module is connected with a deviation rectifying module, the deviation rectifying module is used for identifying the plate from the automatic conveying line image and extracting plate position information, the plate position information is compared with the plate position detected by the position sensor, and if the plate positioning deviation exists, the correction is carried out according to the plate position information.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the deviation correcting module is arranged, the plate is identified from the automatic conveying line image and the plate position information is extracted and is used for being compared with the plate position detected by the position sensor, if the comparison is inconsistent, the plate position detected by the position sensor is replaced by the plate position information identified and extracted from the automatic conveying line image, namely the plate positioning deviation possibly generated by the detection of the position sensor is corrected, the positioning precision is improved, the plate is positioned more accurately, and the control coordination and the production efficiency of the production line are further improved; the correction of the deviation correcting module to the plate positioning deviation comprises the positioning deviation of any direction of the plate, and the deviation correcting module not only comprises the conveying direction along the automatic conveying line, but also comprises the vertical direction of the automatic conveying line.
In one embodiment, the automatic conveying line comprises a supporting mechanism, a roller shaft, a transmission mechanism and a driving device;
the supporting mechanism is arranged in a factory building according to production line planning, and the roll shaft is arranged on the supporting mechanism through a bearing; the driving device is in transmission connection with the roll shaft through the transmission mechanism;
the automatic conveying line is segmented according to feeding equipment, code spraying equipment, cutting equipment and sorting equipment, each segment is provided with a position sensor and a camera, the roll shafts of the same segment form a group, and the roll shafts of the same group are provided with the same driving device;
the main control module is internally provided with a conveying correction submodule, the conveying correction submodule identifies and extracts plate position information in an automatic conveying line image according to plate positions acquired by the position sensors of all the sections and plate position information acquired by the camera, positioning compensation quantity of plates on all the sections along the conveying direction of the automatic conveying line is respectively determined by adopting a mode of calculating positioning data difference values of the plate positions and the plate position information, and the rotating speed of the driving device of each section is corrected according to the positioning compensation quantity of the plates on all the sections.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the automatic conveying line is controlled in a segmented mode according to processing equipment, the rotating speed of each segmented driving device is corrected through the conveying correction submodule according to the converted time of single plate processing and the processing time of each processing equipment on the single plate, the position sensor is prevented from generating misinduction due to the interference of external factors (such as the position sensor is shielded by mistake) to form wrong plate positioning (namely the plate position) along the conveying direction of the automatic conveying line, the rotating speed of the driving device is corrected through the conveying correction submodule to make up the misinduction formed plate conveying positioning error, the rotating speed control precision of the corresponding segmented driving device is improved, the conveying positioning of the plate is matched with the processing time of the processing equipment on the single plate in the corresponding process, the coordinated control of conveying positioning and processing equipment is realized, the phenomenon that the processing equipment is vacant or mistakenly positioned due to the wrong plate position formed by misinduction is avoided, the production efficiency can be improved by preventing the vacant position of the processing equipment, the misoperation can be avoided, the reduction of the yield of the plate processing precision or the increase of the rework rate, and the yield and the production efficiency are further improved.
In one embodiment, the general control module is internally provided with an image processing submodule, and before the automatic conveying line image is subjected to plate identification, the image processing submodule is used for performing the following processing on the automatic conveying line image:
carrying out graying processing on the automatic conveying line image to obtain a corresponding automatic conveying line image after graying processing;
based on each pixel point in the automatic conveying line image after the graying processing, the product of the R channel pixel value and the R channel weighted value, the product of the G channel pixel value and the G channel weighted value and the product of the B channel pixel value and the B channel weighted value are added to obtain the gray value of the corresponding pixel point, the Gaussian filter algorithm is adopted to combine the inherent variation of the image window and the total variation of the image window at the pixel point of the image, a structure-texture decomposition regularizer is formed, the smoothing processing is carried out, and the automatic conveying line image after the smoothing processing is obtained;
and carrying out image enhancement processing on the smoothed automatic conveying line image, namely carrying out supervised model training on the smoothed automatic conveying line image by adopting an image enhancement model to obtain the image-enhanced automatic conveying line image.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the automatic conveying line image is subjected to graying processing, smoothing processing and image enhancement processing, and the meaningful structure and texture units in the image are fused together by combining the inherent variation of an image window and the total variation of the image window, so that the image detail and the image definition can be well protected, the artifact in the image can be well inhibited, the accuracy and the definition of the automatic conveying line image can be improved, and the plate identification and positioning precision is increased; wherein inherent variation refers to a gradient of change in which a dominant structure in one image window produces a more similar direction than a complex texture contained in another image window; the image window total variation is a parameter reflecting the image quality of the automatic feed line image.
In one embodiment, in the structure-texture decomposition regularizer, the total variation of the image window is represented using the following total variation model:
in the above equation, M represents a total variation model of the image window; s represents an output structure image; s p Representing p pixel points in the output structural image; i is p Representing p pixel points in the input image; p represents a pixel point; q represents the index of all pixel points in a square area with the p pixel point as the center; x and y represent the lateral and vertical pixel coordinates of the image, respectively; epsilon represents a correction factor, and epsilon =0.001 can be taken; g is a radical of formula p,q Representing a Gaussian kernel function using a Gaussian filter algorithm, having
In the above formula, x p Representing the horizontal pixel coordinates of the p pixel points; x is the number of q Representing the horizontal pixel coordinates of the q pixel points; y is p Expressing the longitudinal pixel coordinates of the p pixel points; y is q Expressing the longitudinal pixel coordinates of the q pixel points; σ represents a gaussian spatial scale.
The working principle and the beneficial effects of the technical scheme are as follows: the method adopts the algorithm model to represent the total image window variation during the image smoothing processing of the automatic conveying line, the algorithm model depends on the local data of the image, the local gradient is not required to be considered to be isotropic, only the gradients in opposite directions in one local window are mutually offset, the gradient mode can take effect regardless of whether the gradient mode is isotropic or anisotropic, the edge sharpening effect can be achieved, a good structural image can be obtained through the algorithm model processing, then the edge of the structural image is detected, the edge extraction is facilitated, and the identifiability of the image is improved.
In one embodiment, the master control module is connected with the automatic conveying line, the acquisition module and the sub-control module by a ZigBee wireless network;
the master control module is internally provided with a signal model for receiving the ZigBee wireless network, and the function expression of the signal model is as follows:
in the above formula, ω (t) represents a signal model function of the ZigBee wireless network; n represents the number of signal components of the time-frequency overlapping ZigBee wireless network, and each signal component is independent and irrelevant; a. The ik Represents the amplitude of the ith signal component at time k; f. of i Represents the ith signal component carrier frequency; t represents a signal transmission time; beta is a ik Represents the modulation of the ith signal component carrier phase at time k; γ represents a transmission time duration of a unit symbol length; l is i Represents a symbol length of an ith signal component; v (t) denotes mean 0 and variance σ 2 Stable white gaussian noise; p is a radical of i () A raised cosine shaping filter function representing the ith signal component with a roll-off coefficient α, which can be expressed as:
wherein p is i (t) represents the raised cosine shaping filter function over the signal transmission time t.
The working principle and the beneficial effects of the technical scheme are as follows: in the production control system, the modules are connected by the ZigBee wireless network, so that the cost is low, and the investment can be reduced; the signal transmission control is carried out through the signal model, so that the wireless signal processing efficiency is improved, the data transmission efficiency is improved, and the data collection of the master control module is facilitated; the multi-point data acquisition of the automatic conveying line is well realized, and the function expression adopted by signal model processing in the transmission process can prevent interference, eliminate noise and improve the precision; the collected data can be collected, analyzed and decided conveniently, and the vacant equipment and the vacant rule of the equipment can be identified.
In the implementation of the invention, as shown in fig. 1 and fig. 3-7, one or more of a feeding device, a code spraying device, a material cutting device and a sorting device arranged on the same automatic conveying line can be multiple, and at least one automatic conveying line can be arranged in the same factory building, for example, 2 symmetrically arranged automatic conveying lines are arranged in total in fig. 1, and 4 code spraying devices, 32 material cutting devices and 6 sorting devices are arranged in total, that is, 2 code spraying devices, 16 material cutting devices and 3 sorting devices are arranged on the same automatic conveying line; the automatic conveying line comprises a feeding device, a code spraying device, a cutting device and a sorting device which are sequentially arranged along the production direction; the automatic conveying line is provided with a distribution conveying line 30 and a discharge conveying line 32 corresponding to each cutting device, and the distribution conveying line is used for distributing and conveying the plates subjected to code spraying to a plurality of cutting devices; the feeding position of the cutting equipment is connected with the distribution conveying line, and the discharging conveying line is connected with the discharging position of the cutting equipment. The distribution conveyor line 30 includes a first conveying portion 300 and a plurality of second conveying portions 301 provided on the first conveying portion 300 and capable of ascending and descending; the first conveying part 300 is connected with a discharging position of code spraying equipment; the second conveying part 301 has a first position and a second position, and when the second conveying part is located at the first position, the upper end face of the second conveying part can receive the plate conveyed by the first conveying part 300; when the second conveying part is located at the second position, the upper end surface of the second conveying part 301 is higher than the upper end surface of the first conveying part 300; the feeding position of the cutting device is connected with the second conveying part 301. The pan feeding position of spouting yard equipment is connected with the charging apparatus, spout yard equipment and can adopt the ink jet numbering machine to spout the sign indicating number operation to panel, it sweeps a yard detection device to be provided with on the ink jet numbering machine, it is used for scanning to the two-dimensional code on the panel to sweep yard detection device. A plurality of first lifting plate receiving parts are arranged on a discharging conveying line close to the cutting equipment and used for receiving plates from part of the cutting equipment. The quantity of ejection of compact transfer chain can set up to two, is first ejection of compact transfer chain 320 and second ejection of compact transfer chain 321 respectively, two first connect the second that all is provided with the liftable between the board 322 to connect board 323, the second connects board 323 to be used for receiving from the remainder the panel that the cutting equipment came out, and second board receiving portion can with panel on the first ejection of compact transfer chain is flat to be transferred to second ejection of compact transfer chain. Be provided with visual detection device 324 on the ejection of compact transfer chain, visual detection device 324 is connected with the branch accuse module that same ejection of compact transfer chain corresponds the equipment configuration of cutting, visual detection device 324 is used for carrying out visual detection to panel. The sorting equipment comprises a translation mechanism, a plurality of conveying channels and a sorting three-dimensional bin, the automatic conveying line is provided with a visual detection device, the visual detection device is connected with a master control module and used for detecting whether plates are qualified or not, the translation mechanism is used for conveying the qualified plates on the automatic conveying line to a plurality of conveying channels, and the conveying channels are used for conveying the plates to the sorting three-dimensional bin. And a surplus material utilizing device is arranged between the cutting equipment and the sorting equipment and is used for receiving plate surplus materials or unqualified plates on the automatic conveying line.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A full-automatic plate conveying production line is characterized by comprising an automatic conveying line, and a feeding device, a code spraying device, a cutting device and a sorting device which are sequentially arranged along the automatic conveying line;
the production control system comprises an acquisition module, a master control module and a plurality of sub-control modules, wherein the master control module is respectively connected with the automatic conveying line, the acquisition module and the sub-control modules;
the collecting module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line and used for detecting the position of the plate, and the camera is used for shooting images of the automatic conveying line in real time;
the plurality of sub-control modules are respectively and correspondingly connected with and control feeding equipment, code spraying equipment, cutting equipment and sorting equipment;
the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line;
the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment are all provided with a plurality of pieces of similar equipment which are connected in parallel through automatic conveying lines;
the master control module comprises a coordination submodule, and the coordination submodule acquires the processing time of each device on the plate through the sub-control modules;
the coordination submodule determines the single board processing reduced time and the number of the startup use units in different procedures according to the processing time of different equipment on the first board, so that the single board processing reduced time in different procedures is the same or the difference is the minimum;
the automatic conveying line comprises a supporting mechanism, a roll shaft, a transmission mechanism and a driving device;
the supporting mechanism is arranged in a factory building according to production line planning, and the roll shaft is arranged on the supporting mechanism through a bearing; the driving device is in transmission connection with the roll shaft through the transmission mechanism;
the automatic conveying line is segmented according to feeding equipment, code spraying equipment, cutting equipment and sorting equipment, the roll shafts in the same segment form a group, and the roll shafts in the same group are provided with the same driving device;
and the coordination submodule controls the rotating speed of the driving device of the same group of roll shafts of the previous section of the corresponding procedure according to the single plate processing reduced time of different procedures, so that the conveying speed of the plate is adaptive to the single plate processing reduced time of the corresponding procedure.
2. The full-automatic plate conveying production line according to claim 1, wherein a surplus material utilizing device is arranged between the cutting device and the sorting device, and the surplus material utilizing device is used for collecting and/or reprocessing the plate surplus materials formed by processing the plates by the cutting device after the plate surplus materials are transferred to the automatic conveying branch line by the automatic conveying line.
3. The full-automatic plate conveying production line according to claim 1, wherein the sorting equipment comprises a translation mechanism, a plurality of conveying channels and a sorting three-dimensional bin, the automatic conveying line is provided with a visual detection device, the visual detection device is connected with the master control module and is used for detecting whether plates are qualified, the translation mechanism is used for conveying the qualified plates on the automatic conveying line to the plurality of conveying channels, and the conveying channels are used for conveying the plates into the sorting three-dimensional bin.
4. A production control system of a full-automatic plate conveying production line according to claim 1, which is characterized by comprising an acquisition module, a master control module and a plurality of branch control modules, wherein the master control module is respectively connected with the automatic conveying line, the acquisition module and the branch control modules;
the collecting module is connected with a position sensor and a camera, the position sensor is installed on the automatic conveying line and used for detecting the position of the plate, and the camera is used for shooting images of the automatic conveying line in real time;
the sub-control modules are correspondingly connected with and control the feeding equipment, the code spraying equipment, the cutting equipment and the sorting equipment;
and the master control module is used for controlling the production of the plate according to the position of the plate and the image of the automatic conveying line.
5. The production control system of the full-automatic plate conveying production line according to claim 4, wherein the master control module is connected with an alarm, and the alarm is used for sending out an alarm signal when the production line is abnormal.
6. The production control system of the full-automatic plate conveying production line according to claim 4, wherein the general control module is connected with a deviation rectification module, the deviation rectification module is used for identifying the plate from the image of the automatic conveying line and extracting the position information of the plate, comparing the position information of the plate with the position of the plate detected by the position sensor, and if the plate positioning deviation exists, conducting correction according to the position information of the plate.
7. The production control system of the full-automatic plate material conveying production line according to claim 4, wherein the automatic conveying line comprises a supporting mechanism, a roll shaft, a transmission mechanism and a driving device;
the supporting mechanism is arranged in a factory building according to production line planning, and the roll shaft is arranged on the supporting mechanism through a bearing; the driving device is in transmission connection with the roll shaft through the transmission mechanism;
the automatic conveying line is segmented according to feeding equipment, code spraying equipment, cutting equipment and sorting equipment, each segment is provided with a position sensor and a camera, the roll shafts of the same segment form a group, and the roll shafts of the same group are provided with the same driving device;
the main control module is internally provided with a conveying correction submodule, the conveying correction submodule identifies and extracts plate position information in an automatic conveying line image according to plate positions acquired by the position sensors of all the sections and plate position information acquired by the camera, positioning compensation quantity of plates on all the sections along the conveying direction of the automatic conveying line is respectively determined by adopting a mode of calculating positioning data difference values of the plate positions and the plate position information, and the rotating speed of the driving device of each section is corrected according to the positioning compensation quantity of the plates on all the sections.
8. The production control system of the full-automatic plate material conveying production line according to claim 4, wherein the general control module is internally provided with an image processing submodule, and before the plate material identification is carried out on the automatic conveying line image, the image processing submodule is used for carrying out the following processing on the automatic conveying line image:
carrying out graying processing on the automatic conveying line image to obtain a corresponding grayed automatic conveying line image;
based on each pixel point in the automatic conveying line image after the graying processing, the product of the R channel pixel value and the R channel weighted value, the product of the G channel pixel value and the G channel weighted value and the product of the B channel pixel value and the B channel weighted value are added to obtain the gray value of the corresponding pixel point, a Gaussian filter algorithm is adopted to combine the inherent variation of the image window and the total variation of the image window to form a structure-texture decomposition regularizer, and the automatic conveying line image after the smoothing processing is obtained by smoothing processing;
and carrying out image enhancement processing on the smoothed automatic conveying line image, namely carrying out supervised model training on the smoothed automatic conveying line image by adopting an image enhancement model to obtain the image-enhanced automatic conveying line image.
9. The production control system of a full-automatic sheet material conveying production line according to claim 8, wherein in the structure-texture decomposition regularizer, the image window total variation is represented by the following total variation model:
in the above equation, M represents a total variation model of the image window; s represents an output structure image; s p Representing p pixel points in the output structural image; i is p Representing p pixel points in the input image; p represents a pixel point; q represents the index of all pixel points in a square area with the p pixel point as the center; x and y represent the lateral and vertical pixel coordinates of the image, respectively; epsilon represents a correction factor, and epsilon =0.001 can be taken; g p，q Representing a Gaussian kernel function using a Gaussian filter algorithm, having
In the above formula, x p Representing the horizontal pixel coordinates of the p pixel points; x is the number of q Representing the horizontal pixel coordinates of the q pixel points; y is p Expressing the vertical pixel coordinates of the p pixel points; y is q Expressing the longitudinal pixel coordinates of the q pixel points; σ denotes a gaussian spatial scale.
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Address after: 528000 Unit 06, 12th Floor, Hebao Center, No. 2, Nanyuan East Road, Licun Village, Lunjiao Subdistrict, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Haode CNC Equipment Co.,Ltd. Address before: 528000 one of plot b07-02, intensive industrial zone, Xiyong village committee, Lunjiao, Shunde District, Foshan City, Guangdong Province Patentee before: Foshan Haode CNC Machinery Co.,Ltd. |