CN114361067A - Material tracing system and method based on RFID - Google Patents
Material tracing system and method based on RFID Download PDFInfo
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- CN114361067A CN114361067A CN202111613411.4A CN202111613411A CN114361067A CN 114361067 A CN114361067 A CN 114361067A CN 202111613411 A CN202111613411 A CN 202111613411A CN 114361067 A CN114361067 A CN 114361067A
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Abstract
The invention provides a material tracing method based on RFID, which comprises the following steps: the flower basket enters the processing equipment through the feeding machine platform, and a reader-writer on the feeding machine platform reads and modifies the equipment number recorded in the RFID chip on the flower basket; a material identification module of the processing equipment identifies the material on the conveying belt and identifies whether the material is damaged; if the materials are not damaged, sequentially generating virtual IDs corresponding to the materials; if the damaged material is detected, marking the damaged material in the virtual ID; the method comprises the following steps that a blanking machine platform loads materials output by a conveying belt of processing equipment into a corresponding flower basket when the feeding machine platform is used, a reader-writer of the blanking machine platform reads and modifies equipment numbers recorded in an RFID chip on the flower basket, and records a generated virtual ID into the RFID chip; conveying the flower basket output from the blanking machine to a feeding machine in the next procedure; the invention can simply and quickly track each process link and related data of the material in the production process.
Description
Technical Field
The invention relates to the technical field of management equipment among materials, in particular to a material tracing system and a material tracing method based on RFID.
Background
Reasonable distribution between the material provides convenient condition for the user, and the quick letter sorting of material can improve production capacity for enterprise, mill, and nevertheless people are not enough to the management means concern between the material. The current management of the materials is generally a strict management system, a post arrangement managed by a specially-assigned person or an 'on-duty' management system which is complex to operate and is not intelligent. This directly leads to the enterprise in the management aspect between the material even if having invested a large amount of manpower financial resources still have the material access inefficiency, the material is lost in the sorting process etc. the condition.
The management difficulty among the materials is that the materials to be used are small in size and large in quantity, and omission can be avoided through manual paper registration. The currently developed material management system focuses on the management of personnel rather than real-time tracking of materials.
In a silicon wafer production workshop in the photovoltaic industry, silicon wafers are fragile products, a flower basket is used for loading the silicon wafers, and the flower basket serving as a carrier loaded on a silicon wafer material flows in the whole production flow of the silicon wafer material; however, in a silicon wafer production workshop, the flower basket is easily impacted, and then the silicon wafer can be damaged. Therefore, the production process of the silicon wafer needs to be tracked through material tracking, and the problems of raw material batches and equipment and process of a product with problems are found, so that the problems are accurately positioned, material purchasing and production processes are improved, the product quality is improved, and the production cost is reduced.
Disclosure of Invention
The invention provides a material tracing system and a material tracing method based on RFID, and by using the scheme of the invention, each process link and related data of a material in a production process can be tracked simply and quickly.
In order to achieve the purpose, the technical scheme of the invention is as follows: a material tracing method based on RFID comprises the following steps:
and S1, the flower basket enters the processing equipment through the feeding machine platform, and the reader-writer on the feeding machine platform reads and modifies the equipment number recorded in the RFID chip on the flower basket.
S2, identifying the material on the conveyer belt by a material identification module of the processing equipment, and identifying whether the material is damaged; if the materials are not damaged, sequentially generating virtual IDs corresponding to the materials; when a broken material is detected, the broken material is marked in the virtual ID.
And S3, loading the material output by the conveying belt of the processing equipment into the corresponding flower basket when the blanking machine platform loads the material into the feeding machine platform, reading and modifying the equipment number recorded in the RFID chip on the flower basket by the reader-writer of the blanking machine platform, and recording the generated virtual ID into the RFID chip.
And S4, conveying the flower basket output from the blanking machine table to a feeding machine table in the next process.
According to the method, the flower basket flows to a feeding machine or a discharging machine of any processing equipment according to the process, the feeding machine or the discharging machine can modify the machine number information of the RFID chip on the flower basket, so that the RFID chip on the flower basket records the last piece of equipment through which the flower basket passes, and the flower basket flows in the whole silicon wafer processing process in this way, so that the real-time tracking of the grade of the flower basket can be realized; meanwhile, the virtual ID generated on the processing equipment is recorded on the RFID chip of the flower basket, so that the information of the single silicon wafer material in the flower basket can be known by reading the RFID chip, and the tracking of the single silicon wafer material is realized.
Further, the virtual ID is 1-X, and X is the maximum loading capacity of the flower basket on the materials.
Further, the step S2 further includes: and S21, if the material identification module identifies that the material does not accord with the preset material image, judging that the material is damaged, stopping conveying by the conveying belt, pushing the material out of the conveying belt by the material pushing mechanism, and continuously conveying by the conveying belt.
Further, the material identification module comprises an optical sensor, a camera and a control module, wherein the optical sensor and the camera are respectively electrically connected with the control module.
Further, the processing equipment comprises a conveying belt and a material pushing device for pushing out damaged silicon wafers on the conveying belt, wherein the material pushing device is arranged on one side of the conveying belt; through the arrangement, the materials to be processed are conveyed through the conveying belt, and the broken materials on the conveying belt are pushed out through the material pushing device.
The invention also provides a material tracing system based on the RFID, which comprises a plurality of flower baskets for loading silicon wafers, a plurality of processing devices for processing the silicon wafers, a plurality of feeding machine tables arranged at the front side in the process direction of the processing devices and a plurality of discharging machine tables arranged at the rear side in the process direction of the processing devices; the feeding machine table and the discharging machine table are respectively provided with a reader-writer for identifying RFID chips, and the flower basket is internally provided with the RFID chips; silicon chips in the flower basket are conveyed to enter the processing equipment through the feeding machine platform, and the silicon chips after the current processing procedure are finished return to the flower basket through the discharging machine platform.
According to the arrangement, the flower basket flows to a feeding machine or a discharging machine of any processing equipment according to the process, the feeding machine or the discharging machine can modify the machine number information of the RFID chip on the flower basket, so that the RFID chip on the flower basket records the last piece of equipment through which the flower basket passes, and the flower basket flows in the whole silicon wafer processing process in such a way, so that the real-time tracking of the grade of the flower basket can be realized; meanwhile, the virtual ID generated on the processing equipment is recorded on the RFID chip of the flower basket, so that the information of the single silicon wafer material in the flower basket can be known by reading the RFID chip, and the tracking of the single silicon wafer material is realized.
Drawings
FIG. 1 is a block flow diagram of the present invention.
FIG. 2 is a schematic diagram of the structure of the apparatus between different processes in the present invention.
Fig. 3 is a schematic diagram of a feeding machine, a processing device, a basket conveying mechanism and a discharging machine in a process according to the present invention.
Reference numerals: 1. a feeding machine table; 2. processing equipment; 21. a conveyor belt; 22. a material pushing device; 3. a blanking machine platform; 4. a basket of flowers conveying mechanism; 5. and a material identification module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, a material tracing method based on RFID includes the following steps:
and S1, the flower basket enters the processing equipment through the feeding machine platform, and the reader-writer on the feeding machine platform reads and modifies the equipment number recorded in the RFID chip on the flower basket.
S2, identifying the material on the conveyer belt by a material identification module of the processing equipment, and identifying whether the material is damaged; if the materials are not damaged, sequentially generating virtual IDs corresponding to the materials; if the damaged material is detected, marking the damaged material in the virtual ID; the virtual ID is 1-X, X is the maximum loading capacity of the flower basket on the material, and in the embodiment, X is 100; the damaged material is marked as empty.
And S3, loading the material output by the conveying belt of the processing equipment into the corresponding flower basket when the blanking machine platform loads the material into the feeding machine platform, reading and modifying the equipment number recorded in the RFID chip on the flower basket by the reader-writer of the blanking machine platform, and recording the generated virtual ID into the RFID chip.
S4, conveying the flower basket output from the blanking machine to a feeding machine in the next process; wherein, the flower baskets in different procedures are conveyed by an AGV; wherein, AGV is prior art, and will not be described here again.
According to the method, the flower basket flows to a feeding machine or a discharging machine of any processing equipment according to the process, the feeding machine or the discharging machine can modify the machine number information of the RFID chip on the flower basket, so that the RFID chip on the flower basket records the last piece of equipment through which the flower basket passes, and the flower basket flows in the whole silicon wafer processing process in this way, so that the real-time tracking of the grade of the flower basket can be realized; meanwhile, the virtual ID generated on the processing equipment is recorded on the RFID chip of the flower basket, so that the information of the single silicon wafer material in the flower basket can be known by reading the RFID chip, and the tracking of the single silicon wafer material is realized.
The step S2 further includes: and S21, if the material identification module identifies that the material does not accord with the preset material image, judging that the material is damaged, stopping conveying by the conveying belt, pushing the material out of the conveying belt by the material pushing mechanism, and continuously conveying by the conveying belt.
The material identification module comprises an optical sensor, a camera and a control module, and the optical sensor and the camera are respectively and electrically connected with the control module; above setting, through the material on the light sensor discernment conveyer belt to through camera discernment material and predetermineeing.
The processing equipment 2 comprises a conveying belt 21 and a material pushing device 22 for pushing out damaged silicon wafers on the conveying belt, wherein the material pushing device 22 is arranged on one side of the conveying belt 21; in the arrangement, the materials to be processed are conveyed by the conveying belt 21, and the materials damaged on the conveying belt are pushed out by the pushing device 22; wherein, the processing equipment 2, the feeding machine platform 1 and the blanking machine platform 3 are all the prior art and are not described in detail herein.
The pushing device 22 comprises an air cylinder, a pushing piece, a base and a recycling box, wherein the base is arranged on one side of the conveying belt 21, the air cylinder is arranged on the base, the pushing piece is connected with the output end of the air cylinder, and the recycling box is arranged on the other side, opposite to the conveying belt, of the base; when the cylinder drives the pushing piece, the pushing piece pushes the materials on the conveying belt to leave the conveying belt and enter the recovery box.
One side of processing equipment is equipped with the basket of flowers conveying mechanism who sets up between material loading board and unloading board, and the basket of flowers is carried to the unloading board through basket of flowers conveying mechanism after the material loading is accomplished to the material loading board, loads the material.
The material tracing system comprises a flower basket for loading silicon wafers, a plurality of processing devices 2 for processing the silicon wafers, a plurality of feeding tables 1 arranged at the front sides of the processing devices 2 and a plurality of discharging tables 3 arranged at the rear sides of the processing devices 2; the feeding machine table and the discharging machine table are respectively provided with a reader-writer for identifying RFID chips, and the flower basket is internally provided with the RFID chips; silicon chips in the flower basket are conveyed to enter the processing equipment through the feeding machine platform, and the silicon chips after the current processing procedure are finished return to the flower basket through the discharging machine platform.
According to the arrangement, the flower basket flows to a feeding machine or a discharging machine of any processing equipment according to the process, the feeding machine or the discharging machine can modify the machine number information of the RFID chip on the flower basket, so that the RFID chip on the flower basket records the last piece of equipment through which the flower basket passes, and the flower basket flows in the whole silicon wafer processing process in such a way, so that the real-time tracking of the grade of the flower basket can be realized; meanwhile, the virtual ID generated on the processing equipment is recorded on the RFID chip of the flower basket, so that the information of the single silicon wafer material in the flower basket can be known by reading the RFID chip, and the tracking of the single silicon wafer material is realized.
As shown in fig. 2, in this embodiment, after the baskets are respectively output from the blanking machine a in the step 1, the baskets are conveyed to the loading machine a in the step 2 by the AGV, and the loading machine a conveys the silicon wafer materials loaded in the baskets into the processing equipment; the reader-writer on the feeding machine platform B modifies the machine platform number information of the RFID chip on the flower basket and conveys the flower basket to the flower basket conveying mechanism; processing the silicon wafer material by the processing equipment, generating a virtual ID, and conveying the silicon wafer material to a blanking machine B through a conveying belt; meanwhile, the flower basket conveying mechanism conveys the flower basket to the blanking machine station B; the blanking machine B receives the flower basket and loads the silicon chip materials into the corresponding flower basket loaded by the loading machine B, and a reader-writer of the blanking machine B modifies machine number information of the RFID chip on the flower basket and records virtual ID information in the RFID chip; and then, the discharging machine station B outputs the basket after the information is modified, the basket is conveyed to the feeding machine station C of the process 3 through the AGV, and the process is analogized in sequence, and the basket is circulated in the whole production flow of the silicon wafer material as a carrier which is arranged on the silicon wafer material, so that the RFID chip of the basket is updated and modified in real time in the mode, and the basket level tracking and the piece level tracking can be realized.
Fig. 2 shows only the blanking machine a in step 1 and the loading machine C in step 3, and the loading machine and the processing equipment in step 1 are not shown in fig. 2; the processing equipment and the blanking machine in the step 3 are not shown in fig. 2.
Claims (6)
1. A material tracing method based on RFID is characterized in that: the method comprises the following steps:
s1, the flower basket enters the processing equipment through the feeding machine platform, and the reader-writer on the feeding machine platform reads and modifies the equipment number recorded in the RFID chip on the flower basket;
s2, identifying the material on the conveyer belt by a material identification module of the processing equipment, and identifying whether the material is damaged; if the materials are not damaged, sequentially generating virtual IDs corresponding to the materials; if the damaged material is detected, marking the damaged material in the virtual ID;
s3, loading the material output by the conveying belt of the processing equipment into the corresponding flower basket when the blanking machine platform loads the material into the feeding machine platform, reading and modifying the equipment number recorded in the RFID chip on the flower basket by a reader-writer of the blanking machine platform, and recording the generated virtual ID into the RFID chip;
and S4, conveying the flower basket output from the blanking machine table to a feeding machine table in the next process.
2. The RFID-based material tracing method according to claim 1, characterized in that: the virtual ID is 1-X, and X is the maximum loading capacity of the flower basket on the material.
3. The RFID-based material tracing method according to claim 1, characterized in that: the step S2 further includes: and S21, if the material identification module identifies that the material does not accord with the preset material image, judging that the material is damaged, stopping conveying by the conveying belt, pushing the material out of the conveying belt by the material pushing mechanism, and continuously conveying by the conveying belt.
4. The RFID-based material tracing method according to claim 3, characterized in that: the material identification module comprises an optical sensor, a camera and a control module, and the optical sensor and the camera are respectively electrically connected with the control module.
5. The RFID-based material tracing method according to claim 1, characterized in that: the processing equipment comprises a conveying belt and a material pushing device used for pushing out damaged silicon wafers on the conveying belt, wherein the material pushing device is arranged on one side of the conveying belt.
6. A material traceability system based on RFID is characterized in that: the silicon wafer processing device comprises a plurality of flower baskets for loading silicon wafers, a plurality of processing devices for processing the silicon wafers, a plurality of feeding machine tables arranged on the front side in the process direction of the processing devices and a plurality of discharging machine tables arranged on the rear side in the process direction of the processing devices; the feeding machine table and the discharging machine table are respectively provided with a reader-writer for identifying RFID chips, and the flower basket is internally provided with the RFID chips; silicon chips in the flower basket are conveyed to enter the processing equipment through the feeding machine platform, and the silicon chips after the current processing procedure are finished return to the flower basket through the discharging machine platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111613411.4A CN114361067A (en) | 2021-12-27 | 2021-12-27 | Material tracing system and method based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111613411.4A CN114361067A (en) | 2021-12-27 | 2021-12-27 | Material tracing system and method based on RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114361067A true CN114361067A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111613411.4A Pending CN114361067A (en) | 2021-12-27 | 2021-12-27 | Material tracing system and method based on RFID |
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| Country | Link |
|---|---|
| CN (1) | CN114361067A (en) |
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2021
- 2021-12-27 CN CN202111613411.4A patent/CN114361067A/en active Pending
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