CN112784620A - Tracing method and tracing system for product manufacturing - Google Patents
Tracing method and tracing system for product manufacturing Download PDFInfo
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- CN112784620A CN112784620A CN202110111757.8A CN202110111757A CN112784620A CN 112784620 A CN112784620 A CN 112784620A CN 202110111757 A CN202110111757 A CN 202110111757A CN 112784620 A CN112784620 A CN 112784620A
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- 238000000034 method Methods 0.000 title claims abstract description 84
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 60
- 238000012545 processing Methods 0.000 claims abstract description 183
- 238000001514 detection method Methods 0.000 claims abstract description 62
- 229910002056 binary alloy Inorganic materials 0.000 claims abstract description 8
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- 238000004891 communication Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000010147 laser engraving Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 10
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- 229910052705 radium Inorganic materials 0.000 description 2
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides a tracing method and a tracing system for product manufacturing, wherein the method comprises the following steps: the method comprises the following steps of (1) engraving a unique two-dimensional code on a plate, wherein the two-dimensional code is engraved on the front side and the back side of the plate respectively; respectively processing or detecting the front side or the back side of the plate by passing the plate through a processing machine or a detection station through a production line; the processing machine station punches holes beside the two-dimensional code to form a hole array on the front surface or the back surface of the plate, wherein the hole array comprises two rows of information holes recorded according to a binary system method and is used for recording the machine station number of the machine station; and scanning and photographing the two-dimensional code and the hole array on the board by a scanning gun on the processing machine station or the detection station so as to associate the hole array, the machine station or the detection station and the two-dimensional code together to obtain processing information, and transmitting the processing information to a server for storage and processing. Through the mode, the whole process of the product from raw materials to leaving the factory can be effectively traced, each process is convenient to trace, problems are found in time, the product quality is guaranteed, and the whole-process supervision and traceability are realized.
Description
Technical Field
The invention relates to the technical field of product processing tracing, in particular to a tracing method and a tracing system for product manufacturing.
Background
The traceability of product processing and manufacturing is a serious challenge facing every industry, from the automobile manufacturing industry to the aerospace industry, and from the medical industry to the food industry. In a global era, enterprises pursue relationship management to maximize customer satisfaction. Consumer and environmental regulations are becoming more stringent and traceability is becoming more necessary.
To achieve this goal, each process in the overall manufacturing flow must be monitored and a complete history maintained. Problems affecting product quality must be quickly identified and corrected to prevent defective products from continuing to flow down the production line with the ultimate goal of achieving a zero product return rate as much as possible. With the development of times, the process requirements of 3C products are more and more complex, and the production process of defective products and even corresponding machines are difficult to backtrack.
For example, in the keyboard production process, a plurality of processes such as CNC1, injection molding, CNC2, CNC3, stamping, CNC4, spraying, AIM and assembling are involved, and a total of 600 or more CNC machines, 6 or more sets of wires of stamping equipment, 3 or more spray suppliers, 2 or more suppliers of various assembly accessories are involved, so that the processes are complicated and the machine information is complicated.
In view of the above, it is desirable to provide a new tracing method for product manufacturing and a tracing system thereof to solve the above drawbacks.
Disclosure of Invention
Based on the method, the tracing method and the tracing system for the product manufacture are used for tracing the processing information such as each processing machine, the processing time, the serial number and the like, and the processing information can be inquired in a database in real time.
The invention provides a tracing method for product manufacturing, which comprises the following steps:
the method comprises the following steps of (1) engraving a unique two-dimensional code on a plate, wherein the two-dimensional code is engraved on the front side and the back side of the plate respectively;
respectively processing or detecting the front side or the back side of the plate by passing the plate through a processing machine or a detection station through a production line;
the processing machine station punches a hole beside the two-dimensional code to form a hole array on the front surface or the back surface of the plate, wherein the hole array comprises two rows of information holes recorded according to a binary system method and is used for recording the machine station number of the machine station;
the scanning gun on the processing machine table or the detection station scans and photographs the two-dimensional code on the plate and the hole array, so that the hole array, the processing machine table or the detection station and the two-dimensional code are associated together to obtain processing information, the processing information is transmitted to a server for storage and processing, and the processing information comprises a machine table number, processing time and a serial number.
Preferably, the scanning gun on the processing machine or the detection station scans and photographs the two-dimensional code and the hole array on the plate, so as to associate the hole array, the machine or the detection station and the two-dimensional code together to obtain processing information, including:
acquiring a scanned and shot picture;
associating the picture with the processing machine station or the detection station and saving the shooting time of the picture;
and analyzing the hole array on the picture, acquiring the machine number of the processing machine, taking the shooting time as the processing time of the processing machine, and storing the machine number, the processing time and the serial number of the processing machine.
Preferably, the hole array comprises a marking hole arranged at one side of the information hole,
the analysis the hole array on the photo obtains the machine number of the processing machine, including:
and identifying the mark holes in the hole array, acquiring the analysis direction of the information holes according to the positions of the mark holes, and analyzing the information holes by using a binary system method according to the analysis direction to acquire the machine number of the processing machine.
Preferably, the processing or detecting of the front side or the back side of the plate by passing the plate through a processing machine or a detection station through a production line comprises:
and recording a detection result in the detection process, and if the detection result is a defective product, rejecting the defective product and stopping the subsequent flow of the defective product.
Preferably, the step of processing or detecting the front side or the back side of the plate through a processing machine or a detection station by the assembly line comprises:
firstly, sequentially processing or detecting the back surface of the plate for one time through a production line;
and when the detection result after the primary processing or detection is a good product, the front side of the plate is sequentially processed or detected for the second time through the production line.
Preferably, in the process of processing or detecting the front side or the back side of the plate respectively by the plate passing through a processing machine or a detection station through a production line,
and if the two-dimensional code is covered in the processing process, the two-dimensional code is engraved on the covering surface of the plate again.
Preferably, after the processing information is transmitted to a server for storage and processing, the method includes: and updating the list of the stored processing information according to the processing and detection flow sequence.
Preferably, the processing machine comprises a CNC digital control machine, an injection molding machine and a stamping machine.
Preferably, the two-dimensional code engraving method comprises laser engraving.
The invention also provides a traceability system for manufacturing products, which comprises:
the server comprises a database, a communication module and an analysis module, wherein the analysis module is used for analyzing the hole array to obtain the processing number of a processing machine, the database is used for storing processing information, the processing information comprises the machine number, processing time and serial number, and the communication module is used for communication connection of the database;
the acquisition terminals are connected with the processing machine stations or the detection stations on the production line in a one-to-one correspondence manner, connected with the server and used for scanning and shooting the two-dimensional codes and the hole arrays on the products;
and the display is connected with the server and used for displaying the processing information in the product manufacturing process.
The invention has the beneficial effects that a product manufacturing tracing method and a tracing system thereof are provided, and the method comprises the following steps: the method comprises the following steps of (1) engraving a unique two-dimensional code on a plate, wherein the two-dimensional code is engraved on the front side and the back side of the plate respectively; respectively processing or detecting the front side or the back side of the plate by passing the plate through a processing machine or a detection station through a production line; the processing machine station punches a hole beside the two-dimensional code to form a hole array on the front surface or the back surface of the plate, wherein the hole array comprises two rows of information holes recorded according to a binary system method and is used for recording the machine station number of the machine station; the scanning gun on the processing machine table or the detection station scans and photographs the two-dimensional code on the plate and the hole array so as to associate the hole array, the machine table or the detection station and the two-dimensional code together to obtain processing information, the processing information is transmitted to a server for storage and processing, and the processing information comprises machine table numbers, processing time and serial numbers. Through the mode, the invention can effectively realize the whole process tracing of the product from raw materials to delivery, is convenient for tracking each procedure in the production process, can find the problems in the production and manufacturing process of the product in time, further ensures the product quality and realizes the whole process supervision and traceability.
Drawings
FIG. 1 is a flow chart of a traceability method of manufacture of a product according to an embodiment of the present invention;
FIG. 2 is a flowchart of a tracing method for manufacturing a keyboard according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a two-dimensional code structure on a substrate according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a hole array structure on a substrate according to an embodiment of the invention;
fig. 5 is a schematic list diagram of an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and fig. 2, fig. 1 is a flowchart of a tracing method for manufacturing a product according to an embodiment of the present invention, and fig. 2 is a flowchart of a tracing method for manufacturing a keyboard according to an embodiment of the present invention. The tracing method comprises the following steps:
and S110, engraving two-dimensional codes with uniqueness on the plate, wherein the two-dimensional codes are engraved on the front surface and the back surface of the aluminum alloy plate respectively.
Optionally, the invention is explained by taking the processing of the keyboard as a specific example, where the plate is an aluminum alloy plate, since the processing of the front and back surfaces of the plate is usually involved in the plate processing process, in order to facilitate the identification of the two-dimensional code, the same two-dimensional code is generally engraved on both the front surface and the hair surface of the aluminum alloy plate, such as 60 laser engravings 2 and 180 laser engravings 3 shown in fig. 2. The imprinted two-dimensional code should be unique and not used by other aluminum alloy plates. In the embodiment of the invention, the two-dimensional code is engraved by the laser engraving method, so that the loss of the two-dimensional code can be avoided. Please refer to fig. 3, which is a schematic diagram illustrating content-specific regular arrangement of two-dimensional codes according to an embodiment of the present invention.
And S120, processing or detecting the front side or the back side of the plate respectively by the plate through a processing machine or a detection station through a production line.
Optionally, when the front and back surfaces of the aluminum alloy plate are subjected to shape processing or detection, all processing and detection should preferably be completed on one surface (front surface or back surface) first, and when the processing and detection are completed and the detection result is a good product, all processing or detection should be performed on the other surface (front surface or back surface).
And step S121, processing or detecting the reverse side of the plate for one time sequentially through a production line.
And S122, when the detection result after the primary processing or detection is good, performing secondary processing or detection on the front surface of the plate sequentially through the production line.
Specifically, the processing machine in the processing process comprises a CNC digital control machine, an injection molding machine and a stamping machine. The CNC digital control machine is used for various processing in the manufacturing process of the keyboard (specifically, it can refer to 20CNC1, 50CNC2, 80CNC3 and the like in fig. 2), the injection molding machine is used for injection molding in the manufacturing process of the keyboard (specifically, it can refer to 40 injection molding in fig. 2), and the punching machine is used for rough punching and fine punching and the like in the manufacturing process of the keyboard (specifically, it can refer to 90 rough punching, 100 semi-fine punching and 110 fine punching in fig. 2).
The processing of any one surface is processed through a plurality of processes, namely, the processing of a plurality of processing machines and the detection of a plurality of detection stations are included. In the detection process, whether the detection result is a good product or a defective product, the detection result is recorded, and if the detection result is a defective product, the defective product is removed and the subsequent flow (including processing or detection) of the defective product is stopped; if the detection result is good, the next processing or detection can be continued.
Optionally, in step S120, since there are processes such as injection molding or spraying in the processing process, the two-dimensional code may be covered in the processing process, and if the two-dimensional code is covered, the two-dimensional code is etched on the covered surface of the plate again, for example, three times of laser etching processes of the two-dimensional code appear in fig. 2, that is, 30 laser etches 1, 60 laser etches 2, and 180 laser etches 3, where one laser etch is a laser etch of another two-dimensional code performed after the two-dimensional code is covered in the processing process.
In addition, in the step S110 and the step S120, the laser engraving is not required to be formed on the same machine for engraving the two-dimensional codes on the front and back surfaces of the aluminum alloy plate, the two-dimensional codes on the back surface can be subjected to laser engraving when the back surface enters the assembly line for carrying out first CNC machine machining, and after all machining and detection procedures on the back surface are finished, the two-dimensional code laser engraving is carried out on the front surface.
Step S130, the processing machine station punches holes beside the two-dimensional code to form a hole array on the front surface or the back surface of the plate, wherein the hole array comprises two rows of information holes recorded according to a binary system method and is used for recording the machine station number of the machine station.
Optionally, the hole array includes a mark hole disposed on one side of the information hole. The direction in which the information hole records information can be located by the flag hole. Referring to the schematic diagram of the hole array structure in fig. 4, fig. 4 shows that the processing machine performs binary dotting on the product according to a specified rule to record the machine number corresponding to the processing machine on the product. The mark hole 1 is oval and is positioned on the left side of the information hole 2, the information hole 2 is provided with two rows of five information holes, and the station number of the machine is recorded in the direction (from left to right) from the position close to the mark hole 1 to the position far away from the mark hole 1. The first two rows of information holes 2a are line marks, and the last three rows of information holes 2b are machine numbers marked according to a binary method.
Because there are many processing machines in the processing course, therefore, the information hole 2 of each processing machine is arranged from top to bottom in order, and arrange it with the information hole 2 of the last processing machine. In addition, along with the continuation of the next flow, the aluminum alloy plate is gradually lost in thickness during each processing, so that the depth of holes in the hole array punched by the processing machine closest to the front is deeper than the depth of holes in the hole array punched by the subsequent machine. For example, the hole depth drilled in CNC1 is 1.00mm, the hole depth drilled in CNC2 is 0.20mm, and the hole diameters are the same, all 1.00 mm.
In addition, also can punch earlier about the radium carving process of punching and two-dimensional code in fact, radium carving two-dimensional code afterwards.
Step S140, a scanning gun on the processing machine or the detection station scans and photographs the two-dimensional code and the hole array on the plate, so that the hole array, the machine or the detection station and the two-dimensional code are associated together to obtain processing information, the processing information is transmitted to a server for storage and processing, and the processing information comprises a machine number, processing time and a serial number.
In step S141, a photograph taken by scanning is acquired.
And S142, associating the picture with the processing machine station or the detection station and storing the shooting time of the picture.
And S143, analyzing the hole array on the picture, acquiring the machine number of the processing machine, taking the shooting time as the processing time of the processing machine, and storing the machine number, the processing time and the serial number of the processing machine.
Specifically, when the scanning is over the station, the two-dimensional code and the hole array are all shot when the scanning gun scans and shoots each time, otherwise, the shooting is unsuccessful. The shot picture comprises the two-dimensional code of the keyboard and the hole array of the processing machine, after the picture is shot successfully, the picture is associated with the processing machine, namely the content in the picture is associated with the processing machine, the picture and the shooting time of the picture are saved simultaneously, and the shooting time is the processing time of the processing machine.
Optionally, the analyzing the hole array on the photo in step S143 to obtain the machine number of the processing machine, specifically includes: and identifying the mark holes in the hole array, acquiring the analysis direction of the information holes according to the positions of the mark holes, and analyzing the information holes by using a binary system method according to the analysis direction to acquire the machine number of the processing machine.
Specifically, since the information hole 2 is beside the mark hole 1, the analysis direction of the analysis information hole 2 can be obtained through the position of the mark hole 1, and the information holes are sequentially analyzed according to the direction from the position close to the mark hole 1 to the position far from the mark hole 1, specifically, the analysis is shown in fig. 3, and the analysis direction of the information hole 2 in fig. 3 is from left to right, so as to obtain the machine number corresponding to the machining machine.
On the basis of the above embodiment, the method further includes step S150, updating a list of the stored processing information according to the processing and detecting flow order, and displaying the list on the display screen.
Specifically, referring to fig. 5, for the processing and detection flows of each aluminum alloy plate, a list is established according to the flow sequence, the list is updated according to the processing and detection flows, that is, the list is updated according to the processing time sequence, the machine number, the processing time, the serial number, and the detection result (good product or defective product) of each processing machine are recorded, and meanwhile, the list is displayed on a display screen, the processing process of the corresponding aluminum alloy plate is conveniently searched through indexing, and the processing of the whole aluminum alloy plate is conveniently traced.
The detection points in the manufacturing process for the keypad of fig. 2 are set as important process points, such as 70 test 1 in fig. 2, and one detection point is set for a full inspection at intervals of the process, such as 120 test 2 in fig. 2. The keyboard processing process further comprises spraying, AIM and assembling procedures, and after all the processing procedures are completed and the detection is finished, the keyboard is packaged, put in storage and delivered for preparation.
According to the product manufacturing tracing method, the two-dimension code and the hole array are scanned and photographed, the processing machine is associated with the two-dimension code and the hole array, and then the processing information is obtained.
Based on the tracing method for product manufacturing, the invention also provides a tracing system for product manufacturing, which comprises the following steps:
the server comprises a database, a communication module and an analysis module, wherein the analysis module is used for analyzing the hole array to obtain the processing number of a processing machine, the database is used for storing processing information, the processing information comprises the machine number, processing time and serial number, and the communication module is used for communication connection of the database;
the acquisition terminals are connected with the processing machine stations or the detection stations on the production line in a one-to-one correspondence manner, connected with the server and used for scanning and shooting the two-dimensional codes and the hole arrays on the products;
and the display is connected with the server and used for displaying the processing information in the product manufacturing process.
Specifically, collection terminal is the scanner, including a plurality of, and each processing board all disposes the collection terminal who corresponds with the inspection station, when each processing board or inspection station, scans the hole array of shooting two-dimensional code and formation after punching through collection terminal, and collection terminal gets up two-dimensional code, hole array and processing board or inspection station relevance to upload photo and shooting time to the server.
The server acquires the uploaded information through the communication module, and analyzes the hole array content through the analysis module to acquire the machine number corresponding to the processing machine, please refer to fig. 3 and the above description for the specific analysis process, which is not repeated here, and stores the processing information of the process through the database, where the processing information specifically includes the processing time, the machine number, and the serial number. Wherein, the shooting time is the processing time. And the processing information is stored in the database in the form of a list, and for a product on the production line, the list is in a dynamic updating process until all processing procedures are completed and the list of the product is established.
And the final list is displayed in a display, and the whole manufacturing process of the corresponding product can be acquired through indexing, so that the whole manufacturing process of the product can be traced conveniently.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A traceability method of manufacture of a product, comprising:
the method comprises the following steps of (1) engraving a unique two-dimensional code on a plate, wherein the two-dimensional code is engraved on the front side and the back side of the plate respectively;
respectively processing or detecting the front side or the back side of the plate by passing the plate through a processing machine or a detection station through a production line;
the processing machine station punches a hole beside the two-dimensional code to form a hole array on the front surface or the back surface of the plate, wherein the hole array comprises two rows of information holes recorded according to a binary system method and is used for recording the machine station number of the machine station;
the scanning gun on the processing machine table or the detection station scans and photographs the two-dimensional code on the plate and the hole array, so that the hole array, the processing machine table or the detection station and the two-dimensional code are associated together to obtain processing information, the processing information is transmitted to a server for storage and processing, and the processing information comprises a machine table number, processing time and a serial number.
2. A method for tracing product manufacture according to claim 1, wherein the scanning gun of the processing machine or inspection station scans and photographs the two-dimensional code and the hole array on the sheet material to associate the hole array, the machine or inspection station and the two-dimensional code together to obtain processing information, comprising:
acquiring a scanned and shot picture;
associating the picture with the processing machine station or the detection station and saving the shooting time of the picture;
and analyzing the hole array on the picture, acquiring the machine number of the processing machine, taking the shooting time as the processing time of the processing machine, and storing the machine number, the processing time and the serial number of the processing machine.
3. A traceability method of manufacture of a product as claimed in claim 2,
the hole array comprises a mark hole arranged at one side of the information hole,
the analysis the hole array on the photo obtains the machine number of the processing machine, including:
and identifying the mark holes in the hole array, acquiring the analysis direction of the information holes according to the positions of the mark holes, and analyzing the information holes by using a binary system method according to the analysis direction to acquire the machine number of the processing machine.
4. A method for tracing back the manufacture of a product according to claim 1, wherein said passing said sheet through a processing station or a testing station in a flow line to process or test the front or back surface of said sheet, respectively, comprises:
and recording a detection result in the detection process, and if the detection result is a defective product, rejecting the defective product and stopping the subsequent flow of the defective product.
5. A method for traceability of the manufacture of products as claimed in claim 1, wherein said processing or inspection of the front or back side of said sheet respectively by passing said sheet through a processing station or inspection station in a flow line comprises:
firstly, sequentially processing or detecting the back surface of the plate for one time through a production line;
and when the detection result after the primary processing or detection is a good product, the front side of the plate is sequentially processed or detected for the second time through the production line.
6. A traceability method as claimed in claim 1, wherein during the process of processing or inspecting the front or back side of the sheet material respectively by passing the sheet material through a processing station or inspection station in a flow line,
and if the two-dimensional code is covered in the processing process, the two-dimensional code is engraved on the covering surface of the plate again.
7. A method for tracing back the manufacture of a product as claimed in claim 1, wherein said passing said process information to a server for storage and processing comprises: and updating the list of the stored processing information according to the processing and detection flow sequence.
8. A method for tracking the manufacture of a product as recited in claim 1 wherein said processing tools include CNC digital control tools, injection molding tools, and stamping tools.
9. A traceability method of manufacture of a product as claimed in claim 1, wherein the two-dimensional code imprinting method comprises laser engraving.
10. A traceability system for manufacturing a product, the traceability system comprising:
the server comprises a database, a communication module and an analysis module, wherein the analysis module is used for analyzing the hole array to obtain the processing number of a processing machine, the database is used for storing processing information, the processing information comprises the machine number, processing time and serial number, and the communication module is used for communication connection of the database;
the acquisition terminals are connected with the processing machine stations or the detection stations on the production line in a one-to-one correspondence manner, connected with the server and used for scanning and shooting the two-dimensional codes and the hole arrays on the products;
and the display is connected with the server and used for displaying the processing information in the product manufacturing process.
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