CN112024178A - Workpiece identification system and method for spraying production line based on two-dimensional code - Google Patents
Workpiece identification system and method for spraying production line based on two-dimensional code Download PDFInfo
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- CN112024178A CN112024178A CN202010844888.2A CN202010844888A CN112024178A CN 112024178 A CN112024178 A CN 112024178A CN 202010844888 A CN202010844888 A CN 202010844888A CN 112024178 A CN112024178 A CN 112024178A
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- dimensional code
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- hanger
- production line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0264—Overhead conveying means, i.e. the object or other work being suspended from the conveying means; Details thereof, e.g. hanging hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
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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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention relates to a workpiece identification system and method for a spraying production line based on a two-dimensional code, and belongs to the field of two-dimensional code identification. The invention comprises a hanger, a two-dimensional code plate, a conveying chain, a backlight lamp, a code scanning camera and a support, wherein the hanger is arranged on the conveying chain, the two-dimensional code plate is arranged on the right side of the hanger, the support is arranged on a guide rail of the conveying chain, the backlight lamp is arranged on the left side of the support, and the code scanning camera is arranged on the right side of the support. The two-dimensional code plate generated by punching the steel plate is characterized in that the two-dimensional code plate is formed by punching and backlight lamp ingenious structural design, the metal steel plate with holes is converted into an ordinary two-dimensional code to be scanned by a code scanning camera for identification, the code scanning camera is special for the adoption, the technology is mature, the identification speed is high, and the identification precision is high. And the two-dimensional code plate is subjected to quenching and blackening treatment, is high-temperature resistant, is not easy to deform, is low in production cost, and solves the problems of a recognition system caused by high-temperature, pollution and acid-base environments of a spraying production line.
Description
Technical Field
The invention relates to a workpiece identification system and method for a spraying production line based on a two-dimensional code, belongs to the field of two-dimensional code identification, and is a reliable and low-cost workpiece identification system suitable for a spraying production line environment.
Background
In a workpiece conveying system of a coating line, workpieces are often identified due to process requirements, and two methods are commonly used at present: radio Frequency Identification (RFID) and laser imprinting two-dimensional code identification.
The radio frequency identification is composed of a read-write device and an electronic tag, the electronic tag is read and written by using a wireless radio frequency mode, generally, the electronic tag is arranged on a hanger of each transported workpiece, the read-write device is arranged at a corresponding position to be identified to carry out non-contact read-write, and the workpiece information is directly read.
The identification of the laser engraved two-dimensional code is similar to the identification of a logistics warehouse by means of a paper two-dimensional code, and the identification is different in that the identification is carried out by engraving a two-dimensional code containing hanger number information on a metal surface to form a label and installing the label on a hanger by using a laser engraving technology, a scanner is installed at a corresponding position to be identified to read the hanger number, workpiece information is stored in a PLC (programmable logic controller), and the workpiece information is indexed according to the hanger number.
In view of this, patent document No. 201711229427.9 discloses a method for automatically identifying a metal workpiece based on 3D printing of a two-dimensional code, and a reference document is to prepare an identifiable two-dimensional code by laser 3D printing directly on a metal product, or to inlay the two-dimensional code printed by laser 3D on a metal mold or a part, but the two-dimensional code plate itself is not improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a workpiece identification system for a spraying production line and an identification method thereof, wherein the workpiece identification system is reasonable in structural design, simple in mechanism, easy to manufacture and low in cost, has high identification speed and high precision, is more importantly resistant to high temperature and pollution, and is particularly suitable for a conveying system of the spraying production line based on a two-dimensional code, aiming at overcoming the defects that the workpiece identification system used in the current spraying production line is high in cost and poor in temperature resistance or poor in pollution resistance and needs to be replaced periodically.
The technical scheme adopted by the invention for solving the problems is as follows: this a workpiece recognition system for spraying production line based on two-dimensional code, its structural feature lies in: including hanger, two-dimensional code board, conveying chain, backlight, sweep a yard camera and support, the hanger is installed on the conveying chain, the right side at the hanger is installed to the two-dimensional code board, the support mounting is on the guide rail of conveying chain, the left side at the support is installed to the backlight, sweep a yard camera and install the right side at the support.
Further, a workpiece is hung below the hanging tool.
Further, the support is arranged in a pi-shaped structure.
Further, sweep a yard camera and two-dimensional code board cooperation.
Furthermore, the two-dimensional code board is provided with a mounting waist hole, a hanger number and a two-dimensional code area.
Furthermore, the two-dimensional code plate is made of a steel plate subjected to quenching and blackening, and has the characteristics of high temperature resistance, corrosion resistance and difficulty in deformation.
Further, the support includes horizontal C shaped steel, perpendicular C shaped steel, support fixed part, backlight mount pad and sweeps a yard camera mount pad, perpendicular C shaped steel is installed in the below of horizontal C shaped steel, horizontal C shaped steel passes through support fixed part and installs on the track of conveying chain, is used for adjusting to sweep yard camera and backlight in the position of horizontal direction, the quantity of perpendicular C shaped steel is two, two perpendicular C shaped steel are used for installing the backlight mount pad respectively and sweep a yard camera mount pad.
Furthermore, the bracket also comprises a tooth plate and a connecting shaft, the tooth plate is used for connecting the horizontal C-shaped steel, the vertical C-shaped steel, the bracket fixing component and the backlight lamp mounting seat, and the connecting shaft is used for connecting the backlight lamp and the backlight lamp mounting seat.
Further, another technical object of the present invention is to provide an identification method of a workpiece identification system for a painting production line based on a two-dimensional code.
The technical purpose of the invention is realized by the following technical scheme.
A two-dimensional code-based identification method for a workpiece identification system of a spraying production line is characterized in that: the identification method comprises the following steps: the conveying chain is driven by the hanger and the workpiece to travel, when the hanger passes through the position of the support, code scanning is triggered, the code scanning camera is used for identifying, the number of the hanger is read out, indexing is carried out in the PLC according to the number of the hanger, and workpiece information is stored in the PLC by taking the number of the hanger as an index, so that the workpiece information corresponding to the workpiece can be obtained according to the read number of the hanger.
Furthermore, the two-dimensional code area is manufactured according to a Data Matrix code system, is a 10 × 10 dot Matrix and corresponds to the hanger number.
Compared with the prior art, the invention has the following advantages: the two-dimensional code plate generated by punching the steel plate is characterized in that the two-dimensional code plate is formed by punching and backlight lamp ingenious structural design, the metal steel plate with holes is converted into an ordinary two-dimensional code to be scanned by a code scanning camera for identification, the code scanning camera is special for the adoption, the technology is mature, the identification speed is high, and the identification precision is high. And the two-dimensional code plate is subjected to quenching and blackening treatment, is high-temperature resistant, is not easy to deform, is low in production cost, and solves the problems of a recognition system caused by high-temperature, pollution and acid-base environments of a spraying production line.
Drawings
Fig. 1 is a schematic structural diagram of a workpiece recognition system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a workpiece recognition system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a two-dimensional code plate according to an embodiment of the present invention.
A and b in FIG. 4 are schematic structural views of the horizontal C-shaped steel according to the embodiment of the present invention.
A and b in FIG. 5 are schematic structural views of the vertical C-shaped steel according to the embodiment of the present invention.
Fig. 6 a, b, c are schematic structural views of the bracket fixing part according to the embodiment of the present invention.
Fig. 7 a and b are schematic structural diagrams of a backlight lamp mounting base according to an embodiment of the present invention.
Fig. 8 a and b are schematic structural diagrams of a code scanning camera mounting base according to an embodiment of the present invention.
Fig. 9 a and b are schematic structural views of dental plates according to embodiments of the present invention.
Fig. 10 a and b are schematic structural views of a connecting shaft according to an embodiment of the present invention.
In the figure: the automatic code scanning device comprises a hanger 1, a two-dimensional code plate 2, a conveying chain 3, a workpiece 4, a backlight lamp 5, a code scanning camera 6, a bracket 7,
A mounting waist hole 21, a hanger number 22, a two-dimensional code area 23,
Horizontal C-shaped steel 71, vertical C-shaped steel 72, bracket fixing part 73, backlight lamp mounting seat 74, code scanning camera mounting seat 75, tooth plate 76 and connecting shaft 77.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 10, it should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the present invention without affecting the functions and the achievable objectives of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
The workpiece recognition system for the spraying production line based on the two-dimensional code in the embodiment comprises a hanger 1, a two-dimensional code plate 2, a conveying chain 3, a backlight lamp 5, a code scanning camera 6 and a support 7, wherein the support 7 is arranged in a pi-shaped structure.
The hanger 1 in the embodiment is installed on a conveying chain 3, the two-dimensional code plate 2 is installed on the right side of the hanger 1, the bracket 7 is installed on a guide rail of the conveying chain 3, the backlight 5 is installed on the left side of the bracket 7, the code scanning camera 6 is installed on the right side of the bracket 7, and the workpiece 4 is hung below the hanger 1.
Sweep a yard camera 6 in this embodiment and two-dimensional code board 2 cooperation, be provided with installation waist hole 21, hanger number 22 and two-dimensional code region 23 on two-dimensional code board 2, two-dimensional code board 2 is made by the steel sheet through quenching, blackening, has high temperature resistant, corrosion resistance, non-deformable's characteristics.
The bracket 7 in this embodiment includes a horizontal C-shaped steel 71, a vertical C-shaped steel 72, a bracket fixing member 73, a backlight mount 74, a code-scanning camera mount 75, a dental plate 76, and a connecting shaft 77.
The vertical C-shaped steel 72 in the embodiment is installed below the horizontal C-shaped steel 71, the horizontal C-shaped steel 71 is installed on a track of the conveying chain 3 through the bracket fixing component 73 and used for adjusting the positions of the code scanning camera 6 and the backlight 5 in the horizontal direction, the number of the vertical C-shaped steel 72 is two, the two vertical C-shaped steel 72 are respectively used for installing a backlight installation seat 74 and a code scanning camera installation seat 75, the tooth plate 76 is used for connecting the horizontal C-shaped steel 71, the vertical C-shaped steel 72, the bracket fixing component 73 and the backlight installation seat 74, and the connecting shaft 77 is used for connecting the backlight 5 and the backlight installation seat 74.
The identification method of the workpiece identification system for the spraying production line based on the two-dimensional code in the embodiment comprises the following steps: the conveying chain 3 drives the hanger 1 and the workpiece 4 to travel, when the hanger 1 passes through the position of the bracket 7, code scanning is triggered, the code scanning camera 6 conducts identification, the hanger number 22 is read out, indexing is conducted in the PLC according to the hanger number 22, and the workpiece 4 information is stored in the PLC by taking the hanger number 22 as an index, so that the workpiece information corresponding to the workpiece 4 can be obtained according to the read hanger number 22; the two-dimensional code area 23 is produced according to the Data Matrix code system, is a 10 × 10 dot Matrix, and corresponds to the hanger number 22.
Specifically, a support 7 arranged in a pi-shaped structure is fixed on a track of a conveying chain 3, a two-dimensional code plate 2 is installed on a hanging tool 1 of a workpiece 4, a backlight 5 is a white-light square flat lamp and is installed on one side of the support 7, and a code scanning camera 6 is installed on the other side of the support 7 and is installed opposite to the backlight 5.
Two-dimensional code board 2 is the metal material, it is through quenching, the steel sheet of processing blackens, steel sheet surface colour is black, the two-dimensional code no longer is printing or inscription generation, but adopt the form of punching, black small square on the former two-dimensional code dot matrix is replaced with the round hole that the diameter slightly is less than the square length of side, guarantee like this that the non-region of punching can be in good connection together, two-dimensional code board 2 is in and sweeps between code camera 6 and backlight 5, white light pierces through to sweeping code camera 6 through the round hole, make that it is the projection effect of two-dimensional code board 2 on backlight 5 to sweep code camera 6 and catch, the two-dimensional code is white circle dot matrix.
The two-dimensional code plate 2 is provided with two oval mounting waist holes 21 which are arranged up and down, the mounting is convenient, the mounting position can be adjusted, the two-dimensional code plate 2 is provided with numbers corresponding to the two-dimensional code, the front side and the back side of the two-dimensional code plate are visible, and the mounting, the debugging and the field maintenance are convenient.
The number 100 in fig. 3, namely the hanger number 22, is information corresponding to the two-dimensional code area 23, and both sides can be read correctly, so that debugging, installation and on-line observation during production are facilitated; the two-dimensional code area 23 is made according to the Data Matrix code system, is a 10 × 10 dot Matrix, and corresponds to the hanger number 22, and is a two-dimensional code dot Matrix of the number 100 in this embodiment, that is, the hanger number 22.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a work piece identification system for spraying production line based on two-dimensional code which characterized in that: including hanger (1), two-dimensional code board (2), conveying chain (3), backlight (5), sweep a yard camera (6) and support (7), hanger (1) is installed on conveying chain (3), the right side at hanger (1) is installed in two-dimensional code board (2), install on the guide rail of conveying chain (3) support (7), the left side at support (7) is installed in backlight (5), sweep a yard camera (6) and install the right side at support (7), support (7) are pi type structure setting, sweep yard camera (6) and two-dimensional code board (2) cooperation.
2. The workpiece recognition system for a painting production line based on a two-dimensional code according to claim 1, characterized in that: and a workpiece (4) is hung below the hanging tool (1).
3. The workpiece recognition system for a painting production line based on a two-dimensional code according to claim 1, characterized in that: the two-dimensional code board (2) is provided with a mounting waist hole (21), a hanger number (22) and a two-dimensional code area (23).
4. The workpiece recognition system for a painting production line based on a two-dimensional code according to claim 1, characterized in that: the two-dimensional code plate (2) is made of a steel plate subjected to quenching and blackening, and has the characteristics of high temperature resistance, corrosion resistance and difficulty in deformation.
5. The workpiece recognition system for a painting production line based on a two-dimensional code according to claim 1, characterized in that: the support (7) comprises horizontal C-shaped steel (71), vertical C-shaped steel (72), a support fixing part (73), a backlight installation seat (74) and a code scanning camera installation seat (75), wherein the vertical C-shaped steel (72) is installed below the horizontal C-shaped steel (71), the horizontal C-shaped steel (71) is installed on a track of a conveying chain (3) through the support fixing part (73) and used for adjusting the positions of a code scanning camera (6) and a backlight (5) in the horizontal direction, the number of the vertical C-shaped steel (72) is two, and the two vertical C-shaped steel (72) are respectively used for installing the backlight installation seat (74) and the code scanning camera installation seat (75).
6. The workpiece recognition system for a painting production line based on a two-dimensional code according to claim 5, characterized in that: the bracket (7) further comprises a tooth plate (76) and a connecting shaft (77), the tooth plate (76) is used for connecting the horizontal C-shaped steel (71), the vertical C-shaped steel (72), the bracket fixing component (73) and the backlight mounting seat (74), and the connecting shaft (77) is used for connecting the backlight (5) and the backlight mounting seat (74).
7. The identification method of the workpiece identification system for the spraying production line based on the two-dimensional code as claimed in any one of claims 1 to 6, characterized in that: the identification method comprises the following steps: the two-dimensional code plate (2) is made of metal and is quenched and blackened, the color of the surface of the steel plate is black, the two-dimensional code is in a punching form, so that non-punching areas can be connected together, the two-dimensional code plate (2) is positioned between the code scanning camera (6) and the backlight lamp (5), and white light penetrates through the code scanning camera (6) through a round hole, so that the code scanning camera (6) captures the projection effect of the two-dimensional code plate (2) on the backlight lamp (5), the two-dimensional code is a white dot matrix, and the purpose is to convert the perforated metal two-dimensional code plate (2) into a two-dimensional code graph of the white dot matrix which can be recognized by the code scanning camera (6); the conveying chain (3) drives the hanger (1) and the workpiece (4) to travel, when the hanger (1) passes through the position of the support (7), code scanning is triggered, the code scanning camera (6) conducts recognition, the hanger number (22) is read out, indexing is conducted in the PLC according to the hanger number (22), and the workpiece (4) information is stored in the PLC by taking the hanger number (22) as an index, so that the workpiece information corresponding to the workpiece (4) can be obtained according to the read hanger number (22).
8. The two-dimensional code-based identification method for the workpiece identification system of the spray coating production line according to claim 7, wherein: the two-dimensional code area (23) is produced according to a Data Matrix code system, is a 10 x 10 dot Matrix, and corresponds to the hanger number (22).
9. The two-dimensional code-based identification method for the workpiece identification system of the spray coating production line according to claim 7, wherein: the surface of the steel plate is black.
10. The two-dimensional code-based identification method for the workpiece identification system of the spray coating production line according to claim 7, wherein: the two-dimensional code is not generated by printing or engraving, but is generated in a punching mode, and the black small square grids on the original two-dimensional code dot matrix are replaced by round holes with the diameter smaller than the side length of the square grids.
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| CN202010844888.2A CN112024178A (en) | 2020-08-20 | 2020-08-20 | Workpiece identification system and method for spraying production line based on two-dimensional code |
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Application publication date: 20201204 |
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