CN114326577A - Carbon block coding system and method - Google Patents

Abstract

The invention discloses a system and a method for printing codes on carbon blocks, which comprise a carving device and a PLC (programmable logic controller), wherein the carving device is connected with the PLC; the carbon block coding system also comprises a conveying device and a marking device for realizing accurate positioning of the carbon block, wherein the conveying device and the marking device are both connected with the PLC, and the marking device is connected with the engraving device; the carbon block coding system further comprises an upper computer, and the upper computer is connected with the PLC. The carbon block coding system provided by the invention has high automation degree, and the qualified rate of carbon block coding is improved.

Description

Carbon block coding system and method

Technical Field

The invention relates to the technical field of carbon, in particular to a carbon block coding system and method.

Background

In the manufacturing process of the carbon material for aluminum electrolysis, technical and economic indexes are marks reflecting each production process and the overall operation condition, and are also main technical basis for guiding production, a detection technology is a scientific basis for grasping each link in the production process and starting from raw materials to final product quality, the carbon block needs to be marked in the forming process, the original technical means is that digital teeth are added in a clamping groove at a pressure head of a forming machine die, the number is generally counted in shift, the recording mode is date, for example 20210101 is used for coding the carbon block of one shift.

The existing coding technology has the following problems:

(1) the carbon block counting mode is inaccurate, can only be marked according to the date, generally, the carbon block counting is carried out on duty, the range is too wide, and accurate counting cannot be achieved.

(2) The coding process is that in the carbon block molding production process, subsequent cooling, heat treatment and roasting processes can cause the problems of unclear and fuzzy property and the like, and errors can be generated in the calculation of subsequent qualified rate.

(3) The traditional manual marking and coding mode increases the workload of workers and has potential safety hazards.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a carbon block coding system and a carbon block coding method, wherein the system has high automation degree and improves the qualified rate of carbon block coding.

The invention is realized by the following technical scheme:

1. a carbon block coding system comprises a carving device and a PLC, wherein the carving device is connected with the PLC; the carbon block coding system also comprises a conveying device and a marking device for realizing accurate positioning of the carbon block, wherein the conveying device and the marking device are both connected with the PLC, and the marking device is connected with the engraving device; the carbon block coding system further comprises an upper computer, and the upper computer is connected with the PLC.

Furthermore, the marking device comprises a marking mechanism and a third photoelectric sensor, and the marking mechanism and the third photoelectric sensor are connected with the PLC at the same time.

Further, the transportation device comprises a transportation mechanism and a first photoelectric sensor, and the transportation mechanism and the first photoelectric sensor are simultaneously connected with the PLC.

Further, the conveyer still includes climbing mechanism and second photoelectric sensor, climbing mechanism and second photoelectric sensor simultaneously with PLC connects.

Further, the engraving device comprises a computer system and a laser coder, and the laser coder is simultaneously connected with the PLC and the computer system.

Further, engraving device still includes control system and alarm system, alarm system simultaneously with control system, laser code printer, mark device and PLC connect, control system with the optical system part in the laser code printer is connected.

Further, the engraving device further comprises a cooling system, and the cooling system is connected with the control system.

Further, the computer system comprises a computer and a D/A conversion circuit, wherein the input end and the output end of the D/A conversion circuit are respectively connected with the computer and the optical system component.

Furthermore, the block coding system further comprises a printer, and the printer is connected with the upper computer.

A carbon block coding method comprises the following steps:

designing the content of the codes to be printed on the carbon blocks;

setting the code printing speed, the code printing depth and the font line width of laser code printing;

transporting the carbon block to a mark to be coded;

marking and coding the carbon blocks;

detecting whether the error is reported in the coding process in real time;

and recording and storing the code printing data.

Compared with the prior art, the invention has the advantages that:

1. adopt PLC as entire system's control core, connect PLC with transport mechanism, climbing mechanism and marking mechanism respectively, PLC control transport mechanism and climbing mechanism transport the charcoal piece and beat the sign indicating number position, rethread marking mechanism control charcoal piece motion realizes beating the sign indicating number to the charcoal piece under laser marker is in quiescent condition, realizes waiting not waiting of charcoal piece and beats the sign indicating number, has improved the degree of automation and the efficiency of beating the sign indicating number of charcoal piece beating the sign indicating number.

2. Set up first photoelectric sensor, second photoelectric sensor and third photoelectric sensor on transport mechanism, climbing mechanism and marking mechanism respectively, first photoelectric sensor, second photoelectric sensor and third photoelectric sensor are used for detecting the position of carbon element, have realized the accurate positioning of carbon block, have improved and have beaten the sign indicating number precision.

3. By arranging the upper computer, the upper computer and the PLC are connected to read process data such as code printing counting, limit, report forms and the like in the PLC, and the production information is summarized into one piece of production data in each block and stored in the SQL database through logical operation cache. And the database records the forming date and time of each carbon block, the type of the carbon block and the shift number information of operators. The query of the SQL database is very convenient, the electrical faults of the equipment, such as laser parts, limit faults, parameter setting errors and other systems, can be displayed in the real-time fault alarm table, the maintenance personnel can conveniently confirm fault points, the fault alarm information of the equipment can be automatically written into the SQL database, and the query can be carried out through a historical fault query window.

4. Adopt laser to beat the sign indicating number ware and beat the sign indicating number to the charcoal piece, compare in traditional artifical sign indicating number charcoal piece mode of beating, the accuracy of laser beating the sign indicating number is high, and is effectual, fast, and the qualification rate is high, and has reduced the potential safety hazard that the workman brought because of improper operation or tired work.

5. The alarm system is used for detecting whether the laser marking device and the marking device are abnormal or not, once the alarm system detects the abnormal condition, the signal is immediately transmitted to the PLC, and the PLC immediately controls the conveying device and the marking device to stop working after receiving the signal, so that the safety of the system is improved.

Drawings

FIG. 1 is a system block diagram of a carbon block coding system according to an embodiment of the present invention;

fig. 2 is a flowchart of a carbon block coding method according to an embodiment of the present invention.

1. An engraving device; 10. a computer system; 100. a computer; 101. a D/A conversion circuit; 11. a control system; 12. laser code printing; 120. an optical system component; 13. an alarm system; 14. a cooling system; 2. a PLC; 3. a transportation device; 30. a transport mechanism; 31. a first photosensor; 32. a jacking mechanism; 33. a second photosensor; 4. a marking device; 40. a marking mechanism; 41. a third photosensor; 5. an upper computer; 6. a printer.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1, the carbon block coding system according to an embodiment of the present invention includes an engraving device 1, a PLC2, a transportation device 3, a marking device 4, an upper computer 5, and a printer 6, wherein the PLC2 is simultaneously connected to the engraving device 1, the transportation device 3, and the marking device 4, the engraving device 1 is connected to the marking device 4, and the upper computer 5 is simultaneously connected to the PLC2 and the printer 6.

Specifically, PLC2 realizes accurate transportation and the accurate positioning to the charcoal piece through control conveyer 3, when the charcoal piece reachs to beat the mark position, thereby PLC2 control is beaten mark device 4 and is realized the charcoal piece for engraving device 1's relative motion realizes beating the sign indicating number to the charcoal piece, the charcoal piece has just realized beating the sign indicating number to the charcoal piece at the in-process of transportation, beat sign indicating number efficiently, and use engraving device 1 to beat the sign indicating number to the charcoal piece, beat the sign indicating number mode for traditional manual work, engraving device 1 beats the sign indicating number mode accuracy height, and is effectual, and is fast, and the qualification rate is high. The upper computer 5 and the PLC2 are connected to read process data such as code printing counting, limit, report forms and the like in the PLC2, and the production information is summarized into one piece of production data in each block through logic operation cache and stored in the SQL database. And the database records the forming date and time of each carbon block, the type of the carbon block and the shift number information of operators. The query of the SQL database is very convenient, the electrical faults of the equipment, such as laser parts, limit faults, parameter setting errors and other systems, can be displayed in the real-time fault alarm table, the maintenance personnel can conveniently confirm fault points, the fault alarm information of the equipment can be automatically written into the SQL database, and the query can be carried out through a historical fault query window. The production data and the historical fault records can be printed and output through the printer 6, and the browsing and the storage are convenient.

The engraving device 1 comprises a computer system 10, a control system 11, a laser coder 12, an alarm system 13 and a cooling system 14, wherein the laser coder 12 is simultaneously connected with a PLC2 and the computer system 10, the alarm system 13 is simultaneously connected with the control system 11, the laser coder 12, a marking device 4 and the PLC2, the control system 11 is connected with an optical system component 120 in the laser coder 12, and the cooling system 14 is connected with the control system 11.

Specifically, the content of the codes to be printed on the carbon blocks, which is set in the computer system 10, is sent to the optical system component 120, the control system 11 is used for supplying power to and controlling the optical system component 120, the cooling system 14 and the alarm system 13, the cooling system 14 is used for cooling the optical system component 120, potential safety hazards caused by the optical system component 120 working for a long time are prevented, the alarm system 13 is used for detecting whether the laser code printer 12 and the marking device 4 are abnormal or not, once the alarm system 13 detects the abnormal condition, a signal is immediately transmitted to the PLC2, and the PLC2 immediately controls the conveying device 3 and the marking device 4 to stop working after receiving the signal, so that the safety of the system is improved.

The PLC2 is connected to a laser coding device 12, which uses a laser beam to permanently mark the surface of various materials. The coding effect is that the deep substance is exposed through the evaporation of the surface substance, or the trace is carved by the chemical and physical change of the surface substance caused by the light energy, or the pattern and the character which need to be etched are shown by burning off part of the substance through the light energy. The PLC2 adopts Siemens S7 series PLC to manage the detection, measurement, control, IO, communication and the like of the whole system, 3-4 expansion interfaces are reserved in the system design, and the system can be butted with other production management systems; the electrical components are all made of national standard products. The protection level is IP56, the national standard is 2mm thickness, and double-layer cabinet door design. A plurality of systems can be used in a plurality of carbon production workshops, and the protection level and the safety and reliability of the electrical system are verified. The PLC2 is used for controlling the code printing speed, the code printing depth, the font line width, the carbon block focusing, the servo module motion direction, the laser distance measurement and other regulation and control of the laser code printer 12, and special use environments are considered, for example, when water mist occurs on site in winter, the laser distance measurement can be assisted to realize automatic focusing and other functions. The system adopts a digital twin technology to realize perfect display of virtual production and actual production, so that the data flow completely reflects the actual production condition. The virtual production is intermeshed with the actual production data. According to the production data, the lean production can be realized by matching with other related production management systems, and the continuous optimization of the process parameters in the production process can be guided according to the virtual production data. Adopt laser to beat sign indicating number ware 12 and beat the sign indicating number to the charcoal piece, compare in traditional artifical sign indicating number charcoal piece mode of beating, the accuracy of laser beating the sign indicating number is high, and is effectual, fast, and the qualification rate is high, and has reduced the potential safety hazard that the workman brought because of improper operation or tired work.

The computer system 10 includes a computer 100 and a D/a conversion circuit 101, and an input and an output of the D/a conversion circuit 101 are connected to the computer 100 and the optical system component 120, respectively. Marking control software is arranged in the computer 100, the D/A conversion circuit 101 converts digital signals sent by the computer 100 into analog signals, and the optical system component 120 is driven to act according to parameters set by the marking control software to send pulse laser, so that the content to be marked is accurately etched on the surface of the carbon block. The marking control software uses a WINDOWS system as an operating platform, has a full Chinese interface, can be compatible with files output by various software such as AUTOCAD, CORELDRAW, PHOTOSOHOP, CAXA and the like, can mark barcodes, two-dimensional codes, graphic characters and the like, supports PLT, PCX, DXF, BMP and the like in a similar format, directly uses SHX and TTF character libraries, and can automatically code and print serial numbers, batch numbers, dates and the like. The software interface module is designed as follows:

(1) document menu: the printed document is subjected to the design of new creation, opening, saving and the like;

(2) editing a menu: designs such as copying, multiple copying, redoing, grouping/separating groups, combining/separating combinations, arrays, filling, aligning, distributing/sequencing and the like are carried out;

(3) setting a menu: designing laser correction, a vibrating mirror, red light preview, laser test, laser parameters, a fiber laser, a YAG laser, IO configuration, alarm configuration, a default protocol, authority and the like;

(4) list of objects: design for resource management, toolbar, time, date, text, serial number, bar code/two-dimensional code, straight line, rectangle, ellipse, vector diagram, composite text, static text, date, scan gun, serial number, database, line feed, hook text, random code, picture, delay timer, database, VIN code, delete, undo, login, etc.

The conveying device 3 comprises a conveying mechanism 30, a first photoelectric sensor 31, a jacking mechanism 32 and a second photoelectric sensor 33, the first photoelectric sensor 31, the second photoelectric sensor 33 and the input end of the PLC2 are connected, and the conveying mechanism 30 and the jacking mechanism 32 are connected with the output end of the PLC 2. The first photoelectric sensor 31 and the second photoelectric sensor 33 are used for detecting the positions of carbon elements, so that the carbon blocks are accurately positioned, and the coding precision is improved.

The marking device 4 comprises a marking mechanism 40 and a third photoelectric sensor 41, the third photoelectric sensor 41 is connected with the input end of the PLC2, and the marking mechanism 40 is connected with the output and input end of the PLC 2. When the third photoelectric sensor 41 detects the carbon block, the third photoelectric sensor 41 feeds back a high level signal to the PLC2 all the time, the PLC2 receives the high level signal and then controls the marking mechanism 40 to complete a complete marking action on the carbon block, and the effect seen by human eyes is that the carbon block continuously moving on the production line is marked by the fixed engraving device 1 to form a mark which is not waiting to be marked. It should be noted that when continuous coding is performed, an equipment failure condition may occur, which may cause the current coding carbon block to not move forward, so that the current coding carbon block is always within the detection range of the third photoelectric sensor 41, which may cause the carbon block to be repeatedly marked with codes, and therefore, it should be noted that, when the third photoelectric sensor 41 is used for one high-level signal, the laser coder 12 completes one coding.

As shown in fig. 2, a carbon block coding method according to an embodiment of the present invention includes the following steps:

s1, designing the content to be coded on the carbon block.

The content of the carbon block to be coded is designed in coding software in the computer 100, a digital quantity signal output by the computer 100 is converted into an analog quantity signal through the D/A conversion circuit 101 and then is sent to the optical system component 120, and the designed coded content is marked on the carbon block.

And S2, setting the coding speed, coding depth and font line width of laser coding.

The PLC2 controls the coding speed and coding depth of the laser coder 12, the character line width, the carbon block focusing, the servo module motion direction, the laser ranging and other regulation and control.

And S3, transporting the carbon block to a mark to be coded.

The PLC2 controls the transportation mechanism 30 to transport the carbon blocks to the jacking mechanism 32, and then the PLC2 controls the jacking mechanism 32 to jack the carbon blocks to the positions of the marks to be coded.

And S4, marking and coding the carbon block.

The laser code printer 12 prints codes on the carbon block, the PLC2 controls the vibrating mirror of the marking device 4 to move so that the carbon block and the processing content (figures or characters) are kept and the processing effect can be achieved under the relatively static state, and the effect seen by human eyes is that the continuously moving products on the production line are marked by the fixed engraving equipment 1 to form the mark waiting state.

And S5, detecting whether the error is reported in the coding process in real time.

The alarm system 13 in the engraving device 1 constantly monitors the working states of the marking mechanism 40 and the laser code printer 12, and immediately sends signals to the PLC2 to control the transport mechanism 30, the jacking mechanism 32 and the marking mechanism 40 to stop working once the abnormal working problem is met.

And S6, recording and storing the coded data.

The upper computer 5 and the PLC2 are connected to read process data such as code printing counting, limit, report forms and the like in the PLC2, and the production information is summarized into one piece of production data in each block through logic operation cache and stored in the SQL database.

When the marking device works, the PLC2 controls the conveying device 3 to convey the carbon block to a position where the code marking is carried out, when the third photoelectric sensor 41 detects that the carbon block is conveyed in place, the PLC2 controls the marking device 4 to vibrate the mirror to move so as to enable the carbon block and processing contents (figures or characters) to be kept and the processing effect which can be achieved under a relatively static state, and the effect seen by human eyes is that products continuously moving on a production line are marked by the fixed engraving equipment 1 to form an effect of not waiting for marking. Meanwhile, the PLC2 controls the coding speed, the coding depth, the font line width, the carbon block focusing, the servo module moving direction, the laser ranging and other regulation of the laser coder 12, the computer system 10 controls the optical system component 120 in the laser coder 12, the content to be coded of the carbon block is designed and completed in coding software in the computer 100, the digital quantity signal output by the computer 100 is converted into an analog quantity signal through the D/A conversion circuit 101 and then is sent to the optical system component 120, and the designed coding content is marked on the carbon block. In the period, the alarm system 13 constantly monitors the working states of the marking mechanism 40 and the laser coder 12, and once the abnormal working problem is encountered, the alarm system immediately sends a signal to the PLC2 to control the transportation mechanism 30, the jacking mechanism 32 and the marking mechanism 40 to stop working, so that the action safety is improved. The system adopts an advanced laser coding technology, fundamentally changes the traditional manual marking coding mode, and calculates the qualified rate of products. Product quality analysis and safety in production have very big promotion, adopt PLC2 as entire system's control core, have improved the degree of automation and the efficiency of beating the sign indicating number of charcoal piece.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present 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 carbon block coding system is characterized by comprising a carving device (1) and a PLC (programmable logic controller) (2), wherein the carving device (1) is connected with the PLC (2); the carbon block coding system further comprises a conveying device (3) and a marking device (4) which are used for achieving accurate positioning of the carbon block, the conveying device (3) and the marking device (4) are both connected with the PLC (2), and the marking device (4) is connected with the engraving device (1); the carbon block coding system further comprises an upper computer (5), and the upper computer (5) is connected with the PLC (2).

2. The carbon block coding system as claimed in claim 1, wherein the marking device (4) comprises a marking mechanism (40) and a third photoelectric sensor (41), and the marking mechanism (40) and the third photoelectric sensor (41) are simultaneously connected with the PLC (2).

3. The carbon block coding system according to claim 1, wherein the transportation device (3) comprises a transportation mechanism (30) and a first photoelectric sensor (31), and the transportation mechanism (30) and the first photoelectric sensor (31) are simultaneously connected with the PLC (2).

4. The carbon block coding system according to claim 1, wherein the transportation device (3) further comprises a jacking mechanism (32) and a second photoelectric sensor (33), and the jacking mechanism (32) and the second photoelectric sensor (33) are simultaneously connected with the PLC (2).

5. The carbon block coding system according to claim 1, wherein the engraving device (1) comprises a computer system (10) and a laser coder (12), and the laser coder (12) is connected with the PLC (2) and the computer system (10) at the same time.

6. The carbon block coding system according to claim 5, wherein the engraving device (1) further comprises a control system (11) and an alarm system (13), the alarm system (13) is simultaneously connected with the control system (11), the laser coder (12), the marking device (4) and the PLC (2), and the control system (11) is connected with an optical system component (120) in the laser coder (12).

7. The carbon block coding system according to claim 6, wherein the engraving device (1) further comprises a cooling system (14), and the cooling system (14) is connected with the control system (11).

8. The carbon block coding system according to claim 6, wherein the computer system (10) comprises a computer (100) and a D/A conversion circuit (101), and the input and output of the D/A conversion circuit (101) are connected to the computer (100) and the optical system component (120), respectively.

9. The carbon block coding system according to claim 1, further comprising a printer (6), wherein the printer (6) is connected to the upper computer (5).

10. A carbon block coding method is characterized by comprising the following steps:

designing the content of the codes to be printed on the carbon blocks;

setting the code printing speed, the code printing depth and the font line width of laser code printing;

transporting the carbon block to a mark to be coded;

marking and coding the carbon blocks;

detecting whether the error is reported in the coding process in real time;

and recording and storing the code printing data.

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