CN112544675B - Livestock carcass skin source tracing code spraying method, inkjet printer and control method - Google Patents

Livestock carcass skin source tracing code spraying method, inkjet printer and control method Download PDF

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Publication number
CN112544675B
CN112544675B CN202011536769.7A CN202011536769A CN112544675B CN 112544675 B CN112544675 B CN 112544675B CN 202011536769 A CN202011536769 A CN 202011536769A CN 112544675 B CN112544675 B CN 112544675B
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code spraying
marking
code
spraying machine
tracing
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CN112544675A (en
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宁尚国
李乾
李登亮
向充
吴家楠
朱静
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Zrd Instrument Technology Nantong Co ltd
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Zrd Instrument Technology Nantong Co ltd
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    • AHUMAN NECESSITIES
    • A22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22CPROCESSING MEAT, POULTRY, OR FISH
    • A22C17/00Other devices for processing meat or bones
    • A22C17/10Marking meat or sausages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Ink Jet (AREA)

Abstract

A livestock carcass skin source tracing code jet printing method comprises the steps of setting an ink jet printer as a main jet printer and setting other ink jet printers as auxiliary jet printers; the slave code spraying machine and the main code spraying machine establish near field communication connection; the main code spraying machine establishes a code spraying record table, and the main code spraying machine and the auxiliary code spraying machine respectively keep synchronous updating of marking information and the code spraying record table through near field communication connection; and the main code spraying machine or the auxiliary code spraying machine executes marking according to the code spraying record table. By adopting the technical scheme, the problem that the traceability data information and the livestock carcasses keep corresponding when multiple persons conduct cooperative marking can be solved, the spray printing data of the two bipartites are consistent during spray printing, and good human-computer interaction experience is achieved, so that the correct tracing of the livestock carcasses is guaranteed, and the food safety is guaranteed.

Description

Livestock carcass skin source tracing code spraying method, inkjet printer and control method
Technical Field
The invention relates to a livestock carcass skin traceability code jet printing method, a corresponding ink jet printer and a control method, and belongs to the technical field of food safety traceability.
Background
At present, marks are marked on the body surfaces of slaughtered livestock and poultry carcasses, a method of stamping is mainly adopted, the method is not attractive, the pollution to the body surfaces of the livestock and poultry carcasses is serious, and the circulation of products is influenced. The added marks can only be simple and repeated information, and the information content cannot be changed along with the individual. Such marks do not truly reflect the carcass information of slaughtered livestock and poultry. In order to prevent the above problems, laser burning marking methods for burning pork carcass skins and inkjet marking methods are being developed in the market.
The invention discloses a livestock carcass skin marking device, a livestock carcass skin marking system and a livestock carcass skin marking method, which are applied for patent application with the application number of 201811476271.9 and the application date of 2018, 12 and 4.A device for marking livestock carcass skin comprises a code assigning unit and a code spraying unit, wherein the code assigning unit reads livestock skin marking data stored locally or on a server to generate a corresponding spray printing image; the code spraying unit comprises an ink nozzle, and the ink nozzle sprays the spray printing image on the skin of the livestock carcass. After adopting this technical scheme, the sign indicating number that spouts of livestock carcass epidermis especially live pig carcass epidermis can go on automatically, spouts sign indicating number content dynamic customizable, spouts a yard process speed fast, spouts a yard image striking, and whole equipment cost is low, owing to can spout seal two-dimensional code, the circulation of livestock carcass can accomplish completely to trace back, guarantee food safety.
The patent application of the invention, which is 'a livestock carcass marking device and a marking method', of the applicant has the application number of 201910834711.1 and the application date of 09.05.2019, discloses a livestock carcass marking device, which comprises a machine box part and a marking part, wherein the machine box part at least comprises an ink supply unit, a power supply unit, a main control unit, a network unit and a code marking unit, the marking part at least comprises a code spraying unit, the machine box part is connected with the marking part through an ink pipe, a power supply line and a data line, the marking part further comprises a livestock carcass detection result input unit, the code marking unit generates spray printing image data according to the input detection result, and the code spraying unit sprays livestock carcasses according to the spray printing image data. By adopting the livestock carcass marking device and the marking method, the existing slaughterhouse static roller or seal marking method can be replaced on the livestock carcass skin, the livestock carcass can be marked clearly, quickly and dynamically by marking inspection and quarantine information and traceability information, the livestock carcass can be marked in a two-dimensional code manner, and the livestock carcass skin can be marked dynamically in real time, and the method is suitable for two marking modes, namely manual marking and robot marking.
The invention discloses a livestock carcass marking method and a marking device, which are applied for patent application with the application number of 201910685634.8 and the application date of 2019, 07, 27 and belong to the same applicant, and discloses the livestock carcass marking method, which comprises the steps of monitoring the marking result of the livestock carcass on a slaughter production line, and recording the marking result in a background database to be the livestock carcass which is not marked or has poor marking quality; positioning, namely determining the position of the livestock carcass on the slaughtering production line, wherein the marking result is that the livestock carcass is not marked or the livestock carcass with poor marking quality; a code determining step of determining code information of the livestock carcasses positioned in the positioning step; and a supplementary marking step, namely supplementary marking equipment completes supplementary marking of the livestock carcasses according to the positioning result and the coding information. After the livestock carcass marking method and the marking device provided by the invention are adopted, the livestock carcass can be quickly positioned when the automatic marking equipment does not successfully mark or the marking quality is poor, the coding information of the livestock carcass is obtained, and the secondary marking operation is completed.
However, in the above method, many problems in actual marking operations are not considered, such as how a plurality of inkjet printing machines work cooperatively, and how to ensure that the inkjet printing data of two binary pieces are consistent.
In addition, as the marking is carried out by multiple persons in a cooperative manner, how to share the marking process and how to enable the multiple persons to mark correctly needs a good interaction mode.
In addition, because the jet printing patterns for marking the livestock carcasses are long, operators know the current marking process and operate correctly according to the marking process.
The problems are all new problems encountered in the development of refinement and informatization along with the livestock carcass skin code spraying technology, and need to be solved timely and effectively.
Disclosure of Invention
The invention aims to provide a livestock carcass skin traceability code jet printing method, a corresponding code jet printing machine and a code jet printing machine control method, which can solve the problem that traceability data information and livestock carcasses keep corresponding when multiple persons conduct cooperative marking, the jet printing data of two halves of the livestock carcasses are consistent when the livestock carcasses are subjected to jet printing, and good human-computer interaction experience is achieved.
In order to achieve the purpose, the invention provides a livestock carcass epidermis tracing code spraying method, which comprises the steps of arranging an ink-jet printer as a main ink-jet printer and arranging other ink-jet printers as auxiliary ink-jet printers; the slave inkjet printer and the main inkjet printer establish near field communication connection; the main code spraying machine establishes a code spraying record table, and the main code spraying machine and the auxiliary code spraying machine respectively keep the marking information and the code spraying record table to be synchronously updated through the near field communication connection; and the main code spraying machine or the auxiliary code spraying machine executes marking according to the code spraying record table.
Furthermore, the method also comprises the step that the main code spraying machine or the auxiliary code spraying machine generates a marking state window according to the code spraying record table, and the marking state window can graphically display the code spraying state of the livestock carcass skin in real time.
Furthermore, the method also comprises the steps that the main code spraying machine or the auxiliary code spraying machine generates a marking process background image according to code spraying setting and the current marking pattern, determines the current marking process according to the single code spraying progress, and graphically displays the marking process on the marking process background image.
Furthermore, the method also comprises the step of setting the code spraying process as single spraying if the code spraying process is set as single spraying, wherein the background image of the marking process is a single marking pattern; if the code spraying is set to be in a continuous mode, the marking process background graph is a plurality of marking patterns set in the continuous mode, and code spraying intervals set among the marking patterns are set.
Furthermore, the method also comprises that the single code spraying progress is determined by the ratio of the number of the synchronous pulse signals of the synchronous unit to the number of the pixel points of the marking pattern along the moving direction of the code spraying machine.
Furthermore, the method also comprises the step of spraying the code, wherein the spraying states comprise four states of no spraying, in-process, partial completion and completion.
The invention also provides an ink-jet printer for livestock carcass skin traceability code jet printing, which comprises a near field communication unit and applies the livestock carcass skin traceability code jet printing method.
The invention also provides a control method of the code spraying machine, which comprises the steps of generating a marking process background image according to the marking pattern, determining a marking process according to the ratio of the synchronous pulse signal count of the synchronous unit to the number of pixel points of the marking pattern along the moving direction of the code spraying machine, and graphically displaying the marking process on the marking process background image.
Furthermore, the method also comprises the step that if the marking process background image is in a continuous mode, the marking process background image is a plurality of marking patterns set in the continuous mode, and the marking patterns are arranged at set code spraying intervals.
The invention also provides an ink-jet printer applying the ink-jet printer control method.
By adopting the technical scheme, the problem that the traceability data information and the livestock carcasses keep corresponding when multiple persons conduct cooperative marking can be solved, the spray printing data of the two bipartites are consistent during spray printing, and good human-computer interaction experience is achieved, so that the correct tracing of the livestock carcasses is guaranteed, and the food safety is guaranteed.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the marking effect of the present invention;
FIG. 3 is a functional block diagram of an inkjet printer according to the present invention;
FIG. 4 is a system diagram of coordination between inkjet printers of the present invention;
FIG. 5 is a system architecture diagram of the present invention;
FIG. 6 is a schematic flow chart of the present invention;
FIG. 7 is a source code server production task setup page;
FIG. 8 is a diagram illustrating an exemplary manner of generating and managing source code;
fig. 9 is a code spraying setting page of the tracing code server;
FIG. 10 is an illustration of code-spraying record of slaughtering production line;
FIG. 11 is a flow chart of code-spraying and marking processes in a slaughtering production line;
fig. 12 is a code spraying record table of the live pig of the present invention;
FIG. 13 is a table of pig code spraying status;
FIG. 14 is a flow chart of the connection and cooperative code spraying of the slave code spraying machine and the main code spraying machine;
FIG. 15 is a flow chart of the main code spraying machine cooperating with code spraying;
FIG. 16 is a schematic diagram of an interface of an inkjet printer during inkjet printing operation;
fig. 17 is a flow chart of interface generation in inkjet printing operation of an inkjet printer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the present invention. The inner side of the surface of the two halves of the live pig carcass 2 is provided with a baffle 1 for stabilizing the movement and the posture of the two halves of the live pig carcass 2. The outer side of the surface of the two halves of the live pig carcass is provided with a nozzle 3 of an ink-jet printer 4 and an ink-jet printer 4, and the ink-jet printer 4 comprises the nozzle 3, a fixed-height roller and a synchronizing wheel. Because the pork epidermis is uneven and the thickness of pork is also different, when live pig carcass 2 moves to spouting a yard mark station, through pasting 2 epidermis outsides of live pig carcass 2 with ink jet numbering machine 4, then ink jet numbering machine 4 downstream applies certain pressure to the epidermis, makes nozzle 3 press close to live pig carcass epidermis dynamically to accomplish and spout a yard mark process.
Fig. 2 is a schematic diagram of the marking effect of the present invention. Slaughtering the production line and sliding along the track forward, the couple is hung live pig carcass dyad and is moved forward, beats the mark through spouting the sign, respectively spouts out 3 groups of marks on controlling dyad, totally 6 groups, and every group mark is by the qualified chapter of quarantine, and the qualified chapter of quality control and traceability information constitute, and traceability information is including tracing to the source two-dimensional code, tracing to the source code and tracing to the source code inquiry website. In the actual production process, one person can finish the 6 groups of marks by one code spraying machine, two persons can finish the marks by two code spraying machines, however, when the marks are marked, because the operating speeds of the persons are different, one person finishes spraying the marks firstly, the other person sprays the marks, if the synchronization among the code spraying machines cannot be processed, the situation that the source tracing codes are disordered can occur, the source tracing codes with different directions are mainly sprayed on the same pig, and the source tracing information of the pig pointed by the source tracing codes is not consistent with the pig.
Fig. 3 is a schematic diagram of functional modules of the inkjet printing machine of the present invention. The inkjet printer 4 comprises a code assigning unit 11, a main control unit 12, an inkjet printing unit 13, a power supply unit 14, a synchronization unit 15, an inkjet printer cooperation unit 16, a network unit 17, an RFID reading unit 18 and an inkjet printing trigger switch 10. The network unit 17 performs network communication with the server through mobile communication networks such as wired, wireless network (WIFI), and 3G/4G/5G, and is further integrated with a bluetooth communication function. The main control unit 12 obtains the code spraying information of the current live pig carcass through the network unit 17, converts the code spraying information into the code spraying data through the code giving unit 11, and sends the code spraying data to the code spraying unit 13, and the code spraying unit 13 sprays ink onto the skin of the pork carcass to form image-text information and attach the image-text information to the skin of the pork carcass. The RFID reading unit 18 is used for reading an RFID tag on the hook of the live pig carcass or an electronic tag bound on the live pig carcass to obtain identity information of the live pig carcass. The inkjet printer cooperation unit 16 is used for information synchronization between inkjet printers, and performs inkjet data sharing and information synchronization by using communication methods such as network, Wifi, bluetooth and the like. The inkjet printer coordination unit 16 is a functional module in the main control unit 12 in the present invention.
The main control unit 12 is a main control board, and controls the code assigning unit 11, the code spraying unit 13, the power supply unit 14, the synchronizing unit 15, the inkjet printer coordinating unit 16, the network unit 17, and the RFID reading unit 18, and meanwhile, the main control unit 12 is also responsible for receiving a trigger signal of the inkjet printing trigger switch 10. The code spraying unit 13 finishes spraying codes according to the action of the code spraying trigger switch 10. The power supply unit 14 supplies power to the respective functional modules. The synchronization unit 15 provides a synchronization signal for the inkjet printing process, so that the inkjet printing unit 13 can correctly print the pattern.
Fig. 4 is a system diagram of cooperation between inkjet printers according to the present invention. The inkjet printers a1, a2 and a3 are in network communication with the traceability code server through a WIFI hotspot, meanwhile, the inkjet printers a1, a2 and a3 can also be in communication in a WIFI direct connection mode, and the inkjet printers a1, a2 and a3 can also be in communication through Bluetooth. Therefore, the code spraying machines can cooperate with one another in three ways, in the first method, the code spraying machines communicate with the tracing code server through the network unit 17, namely, the WIFI hotspot, a pig code spraying record table is created on the tracing code server, code spraying work records of the code spraying machines a1, a2 and a3 are updated to the table in real time, and meanwhile, before code spraying of the code spraying machines a1, a2 and a3 at each time, the latest code spraying information needs to be obtained from the pig code spraying record table, and code spraying is performed according to the latest code spraying information. The second method is to synchronize information among the inkjet printers by a WIFI direct connection (WIFI DIRECT), the inkjet printer a2 is a host, the inkjet printers a1 and a3 establish communication connection with the inkjet printer a2 through the WIFI direct connection, a live pig inkjet printing record table is created on the inkjet printer a2, and the inkjet printing work records of the inkjet printers a1, a2 and a3 are updated to the table in real time, which is specifically similar to the first method. The third method is to synchronize information between inkjet printers by means of bluetooth communication, similarly, the inkjet printer a2 is the host, the inkjet printers a1 and a3 establish communication connection with the inkjet printer a2 by means of bluetooth communication, and other operations are similar to the second method.
Fig. 5 is a system architecture diagram of the present invention. Ink jet numbering machines a1, a2 and a3 belong to a slaughtering production line A, ink jet numbering machines B1 and B2 belong to a slaughtering production line B, ink jet numbering machine C1 belongs to a slaughtering production line C, ink jet numbering machines D1, D2 and D3 belong to a slaughtering production line D, and all the ink jet numbering machines are connected with an ink jet numbering machine management server, a source tracing code server and a slaughtering management server through a network.
The code spraying machine management server is responsible for managing code spraying machines in the whole system, and information comprises code spraying machine ID, slaughtering production lines allowed by the code spraying machines to use, geographical ranges allowed to use, models of the code spraying machines, historical working data, current working states and the like. The ID of the ink-jet printer is a unique identity number of the ink-jet printer, and the identity number is encrypted; the slaughtering production line allowed by the code spraying machine is slaughtering production line information allowed by the code spraying machine; the permitted geographical range is the position range of the permitted slaughtering production line, the more accurate the position range is, and the position range can also be a relative position range, such as binding with a base station, binding with an IP address and the like; the type of the ink-jet printer is a type given by an ink-jet printer manufacturer, and main functions, performance, structural parameters and the like of the ink-jet printer can be obtained through the type; the historical working data comprises the number of ink boxes, the total amount of ink, the number of code spraying, position information and the like which are sprayed and printed by the code spraying machine; the current working state is whether the ink jet printer is working, working position, ink jet printing content and the like.
The tracing code server is mainly responsible for generating tracing codes and managing the tracing codes, and main information comprises the tracing codes, slaughtering production lines allowed to be used by the tracing codes, code spraying machines allowed to spray and print the tracing codes, the allowed use time of the tracing codes, the use states of the tracing codes and the like. The using states of the tracing codes are divided into unused code spraying machines, downloaded and downloaded times and downloading code spraying machines, code spraying machines with the number of the sprayed codes and the sprayed codes, inquired and inquired times and inquiry place time, wherein the downloading needs to be allowed only when the code tracing codes allow the code spraying machines to download the tracing codes, the plurality of the allowed code spraying machines are possible to download the tracing codes, meanwhile, the tracing codes can be sprayed and printed by the plurality of the allowed code spraying machines due to the fact that one tracing code needs to be sprayed and printed for a plurality of times, inquiry of the public is completed through modes of tracing two-dimensional codes or inputting tracing codes for inquiry, and the number of times and the time and the place are not limited.
The slaughter management server mainly manages slaughter pig information, such as slaughter pig code and batch information, production information, traceability information, inspection information, quarantine information, pig certificate information and the like. Production information is information related to the slaughterhouse, such as codes and batches of slaughterhouse pigs, slaughterhouse, slaughter time, etc. The traceability information comprises breeding enterprises, slaughter dates and the like. The test information mainly refers to the detection of clenbuterol, and is generally spot-checked in batches. The quarantine information includes entrance inspection, pre-slaughter inspection and post-slaughter inspection. The pig license information is an animal quarantine qualification certificate issued by an origin motor supervision department.
Fig. 6 is a schematic flow chart of the present invention. Firstly, an ink-jet printer acquires a source tracing code. The tracing code is from the tracing code server and is obtained after logging in a slaughtering production line registered on the tracing code server. And then, the code spraying machine is used for spraying and printing the tracing code on the skin of the carcass of the live pig. Generally, 3 groups of marks are respectively sprayed on the left and right halves of each pig, 6 groups in total are respectively sprayed on the left and right halves of each pig, two persons respectively operate one code spraying machine to finish the operation, and each code spraying machine is responsible for one half of each pig, so that the production efficiency is higher. Because the pig of slaughtering line is through the track handling, the live pig trunk passes through according to the mode of queue, two people operate the ink jet numbering machine and spout the seal and beat the mark and probably have the asynchronous condition, like in two people, one has spouted 3 sign indicating number to a slice bipartite, another has just spouted a sign indicating number to another slice bipartite, at this moment, next live pig trunk bipartite has come, what have not spouted can choose to skip directly spouting next pig, the number of times of spouting to this code of tracing to the source is exactly 4 on the code server of tracing to the source.
And then, associating the source tracing information and the inspection and quarantine information of the live pigs with the source tracing code. Because the relevant information of the live pigs is on the slaughter management server of the slaughter house, the relevant information needs to be associated with the traceability codes before being inquired through the traceability codes. Relevant information about live pigs includes: slaughterhouse pig codes, production information, traceability information, inspection information, quarantine information, pig license information, and the like. The correlation method comprises various methods, such as that hooks on a slaughtering line are provided with numbers or RFID chips, or the RFID chips are bound on pigs, information in the RFID chips is correlated with live pig information, the corresponding live pig information can be obtained from a slaughter house slaughter management server by obtaining the numbers of the hooks or the content of the RFID chips, and then the information is correlated with a source tracing code; also, live pigs or carcasses of live pigs on the slaughter line are queued and the current pig number can also be determined by counting the number of carcasses of live pigs and correlated to an identification code.
Finally, when the pork of the live pig enters a circulation link, the user can scan the traceability two-dimensional code or input the traceability code for inquiry to obtain various information of the live pig, including but not limited to production information, traceability information, inspection information, quarantine information and live pig license information. The jet printing mark of the skin of the live pig carcass is composed of quarantine qualified chapters, quality inspection qualified chapters and traceability information, the traceability information comprises traceability two-dimensional codes, traceability codes and traceability code query websites, when a user scans the two-dimensional codes to query, information such as the current address of the user, query time and the like can be recorded by the traceability code server and is used for product tracking, a query end can also be provided with a user evaluation inlet, the traceability code server is recorded with evaluation information of the user and is associated with the traceability codes.
Having described the basic principles, architecture and system of the present invention, specific implementations and applications of the present invention are described below.
Fig. 7 is a source code server production task setup page. Slaughterhouse managers log in the traceability code server and can set the production task on the same day so as to generate the traceability code corresponding to the production task. Taking slaughterhouse A as an example, 3 slaughter lines are provided, and 1500 pigs are required to be slaughtered in 9-month-28-day night shift of 2020. Before production, slaughterhouse workers can log in the traceability code server to set production tasks and acquire traceability codes. The staff first selects a slaughter line, such as the first line of slaughterhouse a, sets a slaughter amount of 1500, and selects the start time of production, 18 from 9, 28, 2020: 00 until 2020, 9, 29, 6: and (00) stopping. A slaughterhouse first production line has configured 3 ink jet numbering machines altogether, and ink jet numbering machine a, b and c, 3 ink jet numbering machines all can normally work, all select. After the above setting is completed, the required tracing code can be generated by clicking the button of 'generating tracing code'.
Fig. 8 is a diagram illustrating an exemplary manner of generating and managing the source code. As can be seen from the figure, there are 1500 pigs, each pig has one traceability code corresponding to the inkjet printers a, b, and c, and different inkjet printers are used, and the inkjet printers download the respective traceability codes, so that the traceability codes and the inkjet printers are in one-to-one correspondence, and meanwhile, the traceability codes encapsulate the slaughterhouse production line and the production date, and at this time, the traceability codes = Hash (sequence number, slaughterhouse ID, start time of inkjet printing, end time of inkjet printing, and inkjet printer ID), where the Hash is a Hash Algorithm (Hash Algorithm). For the 1 st pig, the source tracing codes corresponding to the three code spraying machines are s1a, s1b and s1c respectively, the 2 nd pig corresponds to s2a, s2b and s2c respectively, and the 1500 th pig corresponds to s1500a, s1500b and s1500c respectively.
Fig. 9 is a code spraying setting page of the tracing code server. Firstly, a code spraying operation mode is adopted, namely how to finish code spraying operation by using code spraying, a single machine single head is used for spraying two bipartites of a pig by one code spraying machine, and a double machine single head is used for spraying one bipartite of a pig by two code spraying machines respectively. The operation mode can also be that a plurality of people hold a plurality of code spraying machines, and each person sprays two halves of a pig, namely a plurality of machines and a plurality of heads. Then main code spraying machine and reserve code spraying machine's setting, here, ink jet numbering machine a/b is main code spraying machine, and naturally, ink jet numbering machine c has just been reserve code spraying machine. And then inputting the number of single-head code spraying, generally double number, 2, 4, 6 and the like, wherein 6 is selected, namely 6 marks are sprayed on one pig, and 3 marks are sprayed on each bipartite. The method comprises the following steps of code spraying setting, single spraying or continuous mode, wherein the single spraying is that only one mark is sprayed by triggering code spraying each time, and the continuous mode is that a plurality of marks, namely 3 marks are sprayed by triggering code spraying each time. For the continuous mode, the code spraying interval is also set, namely, after spraying one label, another label is sprayed at a certain distance, and the distance is set to be 15 cm. The single-time spray is selected, and the spray printing is triggered every time, so that the marking efficiency is influenced, but the controllability of the code spraying process is very good, a continuous mode is selected, a plurality of marks can be sprayed by one-time trigger, the efficiency is high, and the code spraying machine does not need to leave the surface of the pigskin, so that the continuity is good.
After the production task and the code spraying setting are set, the rest is how to accurately spray and print. The following describes how to properly perform the on-site inkjet printing.
Fig. 10 is a diagram showing an example of code spraying records of a slaughtering production line. Operators p1 and p2 respectively operate the code spraying machine a and the code spraying machine b to perform marking operation on the first production line A1 of the slaughter house A, and before marking, the code spraying machines a/b/c download the source tracing codes which need to be respectively sprayed and printed to the machine. Year 2020, 9, 28, 18:00 begins marking. Firstly, when the 1 st pig carcass comes, an operator p1 sprays a1 st traceability code s1a on a corresponding dyad at 18:00:05, and an operator p2 sprays a2 nd traceability code s1b on a corresponding dyad at 18:00: 06; then, the operator p1 sprays the 3 rd traceability code s1a on the corresponding bipartite at 18:00:07, and the operator p2 sprays the 4 th traceability code s1b on the corresponding bipartite at 18:00: 08; then, the operator p1 sprays the 5 th traceability code s1a on the corresponding bipartite at 18:00:09, and the operator p2 sprays the 6 th traceability code s1b on the corresponding bipartite at 18:00: 10. The method is a perfect jet printing process executed on one pig, the jet printing speed is matched with the running speed of a slaughter line, the working state of the ink jet printer is good, and the 1 st pig jets 6 tracing two-dimensional codes.
When the 2 nd pig carcass comes, p2 is sprayed first, the operator p2 sprays the 1 st tracing code s1b on the corresponding dyad at 18:00:15, and the operator p1 sprays the 2 nd tracing code s2a on the corresponding dyad at 18:00: 16. The operator then did not continue to perform jet printing for pig 2, perhaps due to operator fatigue or other concerns. Like this, 2 nd pig has only spouted 2 two-dimensional codes of tracing to the source.
When the 3 rd pig carcass comes, the p2 is sprayed first, the operator p2 sprays the 1 st traceability code s3b on the corresponding dyad at 18:00:23, and the operator p1 sprays the 2 nd traceability code s3a on the corresponding dyad at 18:00: 24. The operator then did not continue to perform jet printing for the 3 rd pig. Like this, 3 rd pig has also only spouted 2 two-dimensional codes of tracing to the source.
When the 4 th pig carcass comes, it is assumed that the operating inkjet printer of p2 is out of order and cannot perform inkjet printing, so that only one inkjet printer a performs the inkjet printing operation. The operator p1 spurts the 1 st tracing code s4a on the corresponding binary at 18:00:35, and spurts the 2 nd tracing code s4a on the corresponding binary at 18:00: 37. The operator p1 then did not continue to perform jet printing for the 4 th pig. Thus, the 4 th pig only sprays 2 traceability two-dimensional codes.
When the carcasses of the 5 th to 14 th pigs come, the operator p1 fails to perform the jet printing operation due to the fact that the operator p2 is busy, the fault code spraying machine b is put down, the standby code spraying machine c is taken up, and the jet printing operation is not performed. And no source tracing two-dimensional code is sprayed and printed on the bodies of the 5 th to 14 th pigs.
Waiting for the 15 th pig carcass to come, both p1 and p2 were ready for jet printing operations. p1 is sprayed firstly, an operator p1 holds the code spraying machine a at 18:02:05 to spray the 1 st tracing code s5a on the corresponding bipartite body; the operator p2 ejects the 2 nd source code s5c on the corresponding binary at 18:02: 26.
From the above description, since the source tracing code is associated with the pig, when a pig comes, if the operator does not have enough time to perform the current operation, the operator can choose to skip the operation, and the source tracing code is switched to the next operation, so that the code spraying operation on the coming pig is not affected.
Also, from the above description, we can see that the key points are marked by code spraying on line: 1) the source tracing codes of all pigs are different; 2) the source tracing codes of two halves of each pig are the same; 3) the source code of each pig is correctly associated with the ear tag number of the pig. The point 1) is well guaranteed, and the source tracing code is switched just before spraying one pig each time. For the point 2), information synchronization needs to be performed before a pig is sprayed each time, the inkjet printer first obtains the pid of the current pig, whether the pig is sprayed with the tracing code is inquired through the pid, if the pig is not sprayed with the tracing code, the inkjet printer is switched to a new tracing code and performs jet printing, and if the pig is sprayed with the tracing code, the inkjet printer is switched to the current tracing code and then performs jet printing. For the point 3), since the point 2) already ensures the consistency of the traceability codes of each pig, if the pig is already associated with the pid, skipping is carried out, and if the pig is not associated with the pid, the pid of the current pig is acquired to be associated with the traceability codes. Acquiring pid information of pigs can be done by ear labeling, RFID tags attached to pigs, or by a combination of counting and slaughter management servers in the slaughter house.
Fig. 11 is a flow chart of code spraying and marking in a slaughtering production line. When preparing to spray-print a live pig carcass, an ink jet printer firstly acquires coding information, inspection and quarantine and other related information of the live pig carcass, then inquires the tracing code information related to the live pig carcass through the coding information, if the tracing code is related to the tracing code, inquires and acquires the tracing code and the sprayed printing times of the tracing code from a tracing server, if the sprayed printing times exceed the allowed spraying times, the use of the tracing code is indicated to have problems, alarm information needs to be given and recorded for subsequent analysis and use, an operator can skip the code spraying of the current live pig carcass, and if the sprayed printing times do not exceed the allowed spraying times, the ink jet printer sprays and prints the tracing code and the related information to the skin of the live pig carcass. And if the current live pig carcass is not associated with the traceability code, the code spraying machine reads a new traceability code from the traceability code server, and sprays and prints the traceability code and the relevant inspection and quarantine information to the skin of the live pig carcass, and then associates the live pig carcass code and the relevant information with the traceability code. And finally, after the user scans the traceability two-dimensional code which is sprayed and printed on the skin of the carcass of the live pig, the traceability information, the inspection and quarantine information and the like of the live pig can be obtained.
The above-described schemes are all based on the condition that the inkjet printer and the source tracing code server have good communication, but once a network fails, the inkjet printer cannot know the current spray printing states of other inkjet printers under the condition that a plurality of inkjet printers operate simultaneously, and if one operator misses a pig, the code spraying of all the pigs behind is disordered. Therefore, a cooperative channel needs to be added among a plurality of code spraying machines to keep the printing information of the code spraying machines synchronous. In the system architecture of fig. 4, the inkjet printers a1, a2 and a3 perform network communication with a tracing code server through WIFI hotspots, and meanwhile, the inkjet printers a1, a2 and a3 can also perform communication through WIFI direct connection, and the inkjet printers a1, a2 and a3 can also perform communication through bluetooth connection. The above introduction is a hardware basis for inkjet printing machine cooperation, and a software method is also needed for implementation.
Fig. 12 is a table of the code spraying records of the live pigs. In order to realize code spraying cooperation, the code spraying machines a1, a2 and a3 share the same pig code spraying record table, and the table comprises pig ear tags, traceability codes, spray printing times, code spraying machines, marking time, marking places and operators. The content of the live pig code spraying record table is generated according to the code spraying record example diagram in the figure 10, and the pig ear tag is associated with the source tracing code. Live pig spouts a yard record table and all has this table and real-time update on tracing to source code server and ink jet numbering machine, and every mark that spouts of ink jet numbering machine all will acquire data, upload data from this table, and when network connection was smooth and easy, the ink jet numbering machine carries out the synchronization that the live pig spouts a yard record table with tracing to source code server separately, when network connection was not smooth and easy, directly links or bluetooth communication carries out the synchronization that the live pig spouts a yard record table from the ink jet numbering machine and main through WIFI between the ink jet numbering machine.
Fig. 13 is a table of the code-spraying status of live pigs. The pig code spraying state table is generated according to the pig code spraying record table, the code spraying state of each pig is reflected, and the code spraying state comprises pig ear tags, source tracing codes, spray printing times and a spray printing state, wherein the spray printing times are the total times, and the spray shape state comprises four states of no spray, in-process, partial completion and completion. Through the table, the code spraying condition of each pig can be inquired.
Fig. 14 is a flow chart of the connection and cooperative code spraying of the slave code spraying machine and the main code spraying machine. Firstly, the system determines a main code spraying machine, and the rest are auxiliary code spraying machines; then, communication connection is established between the slave code spraying machine and the master code spraying machine, and the connection mode is WIFI direct connection or Bluetooth communication connection; then, acquiring a live pig code spraying record table from a main code spraying machine from the code spraying machine; and finally, performing code spraying operation according to the code spraying record table of the live pigs by using the code spraying machine.
FIG. 15 is a flow chart of the main code spraying machine cooperating with code spraying. Firstly, when the inkjet printer is determined to be a main inkjet printer, the information synchronization is carried out with a tracing server, mainly corresponding data in fig. 8 and 9, and an initial live pig inkjet printing record table is established in the main inkjet printer according to the data; then, the main code spraying machine and the auxiliary code spraying machine execute marking operation according to the code spraying record table; and finally, after each mark is printed, updating the marking information into the code spraying record table of the live pigs from the code spraying machine and the main code spraying machine.
Fig. 16 is an interactive interface of an inkjet printer during inkjet printing operation. The code spraying interactive interface generated according to the pig code spraying record table in fig. 12 and the pig code spraying state table in fig. 13 is shown in the figure. The live pig marking state window 31 displays that a pid15 live pig which is currently sprayed with a code is sprayed, two binary bodies are respectively sprayed with one label, the adjacent pid14 does not have a corresponding code spraying label display because no code is sprayed, the adjacent pid16 does not start to spray the code, and the corresponding code spraying label display is not performed. The code spraying conditions of all pigs can be browsed by pressing left and right direction arrows.
The current marking progress window 32 includes a marking progress background map and a current progress indication. The marking process background map is generated according to the code spraying setting. If the single-shot marking is carried out, the marking pattern is only sprayed once, and the marking process background picture is a marking pattern; if the code spraying mode is set to be a continuous mode, the marking process background image is 3 marking patterns, and the interval between every two marking patterns is 15 cm. Because the code spraying of the code spraying machine is synchronized by the synchronous pulse signal of the synchronizing unit 15, the current code spraying progress can be known by counting the synchronous pulse, and the current progress indication can be superposed and displayed on the corresponding position in the marking progress background picture. The progress chart is very helpful for correctly spraying and marking codes. Because when spouting the sign indicating number, spout the sign indicating number chance part and cover and beat the mark pattern, the user can not correctly judge whether spout and beat the mark interactive experience, if do not spout and just spout next pig, what the first blowout just did not spout on next pig is that some patterns that have not spouted, reduces and beats the accuracy of mark operation, reduces and beats mark efficiency. Especially, in the continuous mode, 3 marks are added together, the stroke of the code spraying machine is nearly 1 meter, and at the moment, the real-time marking interactive experience is very necessary.
The live pig code spraying state list window 33 displays a live pig code spraying state list, displays the code spraying states of all live pigs of the current marking tasks in a character chart mode, and a user can display the code spraying states of the live pigs, select the live pigs to be sprayed currently and the like by rolling the live pig code spraying state list window 33.
The jet printing command button 34 is used to pause and start the jet printing operation. When the pig is paused, the user can browse the pig code spraying state and select the current pig to be sprayed through the pig marking state window 31 and the pig state list window 33.
Fig. 17 is a flow chart of the generation of an interactive interface for the inkjet printing operation of the inkjet printer. Firstly, generating and updating a code spraying record table of a live pig by a code spraying machine; then generating a live pig marking state diagram according to the live pig code spraying record table; then, generating a marking process background image according to the code spraying setting and the marking file; and finally, overlapping and displaying the current marking process on the marking background picture according to the single code spraying progress. The single code spraying progress is different according to the code spraying setting, and if the code spraying setting is single spraying, the single code spraying progress is the progress of executing spraying of one marking pattern; if the code spraying is set to be in a continuous mode, the single code spraying schedule is a schedule for executing spraying of a plurality of marking patterns, and is 3 here.
The display of the code spraying progress is not applied in the current code spraying machine, the code spraying patterns are small, the code spraying time of a single pattern is short, and a user can see the code spraying effect very quickly and easily. Such interaction is highly desirable if the code spraying distance is long. The current ink jet numbering machine generally uses the number accumulation of code spraying patterns, namely, the number of the code spraying patterns is totally sprayed. Therefore, the display of the jet printing progress can be widely applied to the ink jet printer.
It should be noted that the above examples are all made for pig carcass slaughtering production, and the method of the present invention is also applicable to slaughtering cattle, sheep and poultry. The ink jet printer provided by the invention adopts an ink jet mode.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A livestock carcass skin source tracing code jet printing method is characterized by comprising the steps of setting an ink jet printer as a main jet printer and setting other ink jet printers as auxiliary jet printers; the slave code spraying machine and the main code spraying machine establish near field communication connection; the main code spraying machine establishes a code spraying record table, and the main code spraying machine and the auxiliary code spraying machine respectively keep synchronous updating of marking information and the code spraying record table through near field communication connection; marking is carried out by the main code spraying machine or the auxiliary code spraying machine according to the code spraying record table; the main code spraying machine or the auxiliary code spraying machine generates a marking state window according to the code spraying record table, and the marking state window can graphically display the code spraying state of the livestock carcass skin in real time; the main code spraying machine or the auxiliary code spraying machine generates a marking process background image according to code spraying setting and a current marking pattern, determines a current marking process according to a single code spraying progress, and graphically displays the marking process on the marking process background image; if the code spraying is set to be single spraying, the marking process background image is a single marking pattern; if the code spraying is set to be in a continuous mode, the marking process background graph is a plurality of marking patterns set in the continuous mode, and code spraying intervals set among the marking patterns are set.
2. The livestock carcass skin source-tracing code jet printing method of claim 1, further comprising that said single jet printing schedule is determined by a ratio of a synchronous pulse signal count of a synchronization unit to a number of pixel points of said marking pattern along a direction of movement of an ink jet printer.
3. The livestock carcass skin tracing code spraying method of claim 2, further comprising said spraying states including no spraying, in-progress, partially completed and completed.
4. An ink jet printer for livestock carcass skin traceability code jet printing, the ink jet printer comprising a near field communication unit, characterized in that the ink jet printer applies the livestock carcass skin traceability code jet printing method of any one of claims 1 to 3.
5. A control method of an ink-jet printer is used for livestock carcass skin source tracing code jet printing, and is characterized by comprising a livestock carcass queue marking state display step for displaying the code-jet state of each livestock carcass in the livestock carcass queue; the method comprises the steps of displaying the current marking process of the livestock carcasses, generating a marking process background picture according to a set livestock carcass marking pattern, determining the marking process according to the ratio of the synchronous pulse signal count of an ink-jet printer synchronization unit to the number of pixel points of the marking pattern along the moving direction of the ink-jet printer, and graphically displaying the marking process on the marking process background picture; and the code spraying state and the marking process are displayed on the same page.
6. The method for controlling an inkjet printing machine according to claim 5, wherein the method further comprises, if the mode is a continuous mode, the marking process background map sets a plurality of marking patterns for the continuous mode, and the marking patterns are arranged at set inkjet printing intervals.
7. An inkjet printer to which the method of controlling an inkjet printer according to any one of claims 5 to 6 is applied.
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