CN112337692A - Automatic workpiece identification device for spraying assembly line - Google Patents
Automatic workpiece identification device for spraying assembly line Download PDFInfo
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- CN112337692A CN112337692A CN202011290774.4A CN202011290774A CN112337692A CN 112337692 A CN112337692 A CN 112337692A CN 202011290774 A CN202011290774 A CN 202011290774A CN 112337692 A CN112337692 A CN 112337692A
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- 238000005507 spraying Methods 0.000 title claims abstract description 102
- 238000004891 communication Methods 0.000 claims abstract description 14
- 239000003973 paint Substances 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000010422 painting Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000012217 deletion Methods 0.000 claims description 2
- 230000037430 deletion Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 16
- 230000036541 health Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
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Classifications
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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
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
- B05B12/04—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for sequential operation or multiple outlets
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
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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
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
- B05B12/149—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet characterised by colour change manifolds or valves therefor
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- Spray Control Apparatus (AREA)
- General Factory Administration (AREA)
- Automatic Assembly (AREA)
Abstract
The invention provides a workpiece automatic identification device for a spraying assembly line, which comprises: the spraying robot comprises a conveying chain, a code reading system, a queuing system and a spraying robot, wherein a workpiece and a two-dimensional code card are arranged on the conveying chain, the code reading system is positioned on one side of the conveying chain and used for reading data information on the two-dimensional code card and detecting whether the workpiece exists or not, the queuing system is in communication connection with the code reading system and used for receiving the data information sent by the code reading system, the spraying robot is in communication connection with the queuing system, and the spraying robot is used for reading the data information in the queuing system and spraying the workpiece; the automatic spraying device realizes automation of the assembly line spraying process, is convenient to operate, improves the working efficiency, only needs to place a workpiece on the assembly line and place the two-dimensional code card on the conveying chain, realizes control automation in the whole process, and solves the problems of low efficiency, high labor intensity, high labor cost, great influence on the health of workers and the like of the workers.
Description
Technical Field
The invention belongs to the technical field of automatic spraying, and particularly relates to an automatic workpiece recognition device for a spraying assembly line.
Background
The spraying work is an important process in the production of the products in the whole manufacturing process. Spraying is an indispensable process part in the process of protecting workpieces, such as airplanes, automobiles, electronic products and children toys.
In the current production process, the product spraying mostly adopts a manual spraying mode: the workman directly holds the spray gun and carries out the spraying operation to the work piece that needs the spraying, causes following problem in the manual spraying production process: the spraying gun is lifted for a long time, so that the working labor intensity of workers is increased; the spraying operation is carried out, and workers need to better control the thickness and uniformity of the sprayed paint according to experience; the spraying operation is carried out manually, so that the operation efficiency is low; manual operation has certain randomness, and the consistency of the spraying effect of the product cannot be guaranteed; the generated spray is easy to be inhaled into human bodies, and has great health influence on both physical and psychological aspects.
In a factory with a certain degree of automation of painting, automated line painting has already been used, but a painting line system without automated part recognition can only paint one kind of workpiece with one color, and if the painted workpiece and the painting color are to be switched, the painting process needs to be changed.
Therefore, how to provide a production line capable of automatically identifying the type of a workpiece, automatically replacing a spraying process and switching spraying colors is realized, so as to solve the problems that the labor intensity of spraying operation is high and the product quality cannot be guaranteed in the traditional manufacturing industry.
Therefore, in view of the above problems, it is desirable to provide an improved solution to the above deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a workpiece automatic identification device for a spraying assembly line, which realizes automation of spraying work, improves the working efficiency, reduces the labor intensity of workers due to less harm to the health of the workers and ensures the consistency of the spraying effect of products.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a workpiece automatic identification device for a spraying assembly line, which comprises: the conveying chain is provided with workpieces and two-dimension code cards, wherein the two-dimension codes on the two-dimension code cards correspond to the types of the workpieces one by one; the code reading system is positioned on one side of the conveying chain and used for reading the two-dimensional code on the two-dimensional code card so as to obtain data information and detect whether the workpiece exists or not; the queuing system is in communication connection with the code reading system and is used for receiving data information sent by the code reading system; and the spraying robot is in communication connection with the queuing system and is used for reading the data information in the queuing system and spraying the corresponding workpiece.
According to the workpiece automatic identification device for the spraying production line, as a preferred scheme, the conveying chain is made of iron, and the two-dimensional code card is a magnetic card and is arranged on the conveying chain; the conveying chain is in closed-loop circulating conveying; the distance between two adjacent two-dimensional code cards is the same.
According to foretell workpiece automatic identification equipment for spraying assembly line, as preferred scheme, the two-dimensional code card is made by high temperature resistant magnet, and adsorbs on the conveying chain, the surface covering of two-dimensional code card has high temperature resistant membrane, is used for the protection the two-dimensional code card.
According to the workpiece automatic identification device for the spraying production line, as a preferred scheme, the code reading system comprises a code reader and a first sensor, wherein the code reader is used for scanning and reading the two-dimensional code on the two-dimensional code card to obtain the data information; the first sensor is used for detecting whether the workpiece exists or not.
According to the workpiece automatic identification device for the spraying production line, as an optimal scheme, the code reading system adopts a double-trigger mechanism; when the first sensor in the code reading system detects that the workpiece exists, the code reader reads data information on the two-dimensional code card and transmits the data information to the queuing system; when the first sensor in the code reading system does not detect the existence of the workpiece, the code reader does not read the data information on the two-dimensional code card, and the code reader does not transmit the data information to the queuing system.
According to the workpiece automatic identification device for the spraying production line, as an optimal scheme, the code reader is internally provided with a repeated code reading module, the repeated code reading module is used for carrying out multiple data reading on the two-dimensional code card, and the optimal result in the multiple data reading is transmitted to the queuing system.
According to the workpiece automatic identification device for the spraying production line, as a preferable scheme, the queuing system is a software system for storing data information based on a queue form, and the queuing system arranges the received data information sent by the code reader according to the front-back sequence of the data information receiving time; and a first storage module is arranged in the queuing system and is used for storing the data information sent by the code reading system.
According to the above workpiece automatic recognition device for a painting line, preferably, the painting robot includes: the robot comprises a robot body, a paint supply system, a cleaning system and a spray gun;
the spray gun is installed on the robot body, and is connected with the paint supply system and used for spraying paint on the workpiece;
the robot body is in communication connection with the paint supply system, the robot body reads the data information sent by the queuing system, the read data information is sent to the paint supply system, and the paint color is switched by the paint supply system according to the received data information;
the cleaning system is in communication connection with the robot body and is connected with the paint supply system for cleaning the paint supply system.
According to the workpiece automatic identification device for the spraying production line, as an optimal scheme, a reading module and a second storage module are arranged in the robot body; the reading module is used for reading the data information sent by the queuing system, and the second storage module is used for storing the data information read by the reading module.
According to the workpiece automatic identification device for the spraying assembly line, as an optimal scheme, a second sensor and a deletion module are arranged in the robot body; the second sensor is used for detecting whether the workpiece reaches a spraying position, and the deleting module is used for deleting the data information which is successfully read by the reading module.
Compared with the closest prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention provides a workpiece automatic identification device for a spraying assembly line, wherein a magnetic and high-temperature-resistant two-dimensional code card is adsorbed on a conveying chain, can be placed and picked easily, and flexibly deals with the switching operation of various spraying workpieces, a code reader can read data information on the two-dimensional code card when the workpiece reaches a preset position and can read the data information for multiple times to obtain an optimal result, the code reader adopts a double-trigger mechanism, the data information is sent to a queuing system only under the condition that the workpiece and the two-dimensional code are successfully read, various display lamps are arranged on the code reader, the working state of the code reader is convenient for a worker to observe, the queuing system can sort the data information sent by the code reader before and after the data information is sent, and when a spraying robot finishes spraying the previous workpiece, the data information of the next workpiece is read, and selecting a workpiece and switching paint, and performing spraying operation after the workpiece reaches a spraying point.
The invention realizes the automation of the assembly line spraying process, is convenient to operate, improves the working efficiency, can be used for controlling the automation of the whole process by only putting a workpiece to be sprayed on the assembly line and putting a corresponding two-dimension code card on a conveying chain according to the preset relation between the type of the workpiece and a two-dimension code, and can solve the problems of low efficiency, high labor intensity, high labor cost, great influence on the health of workers and the like of the workers.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an automatic identification device according to an embodiment of the present invention;
FIG. 2 is a process flow diagram of an automatic identification device in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a two-dimensional code card according to an embodiment of the invention;
FIG. 4 is a schematic diagram of the operation of a workpiece information queuing system in an embodiment of the invention;
fig. 5 is a schematic diagram of an indicator light in a code reader according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention. In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, the present invention provides an automatic workpiece recognition device for a painting line, comprising: the spraying robot comprises a conveying chain, a code reading system, a queuing system and a spraying robot, wherein a workpiece and two-dimension code cards are arranged on the conveying chain, and the two-dimension codes on the two-dimension code cards correspond to the types of the workpiece one by one; the code reading system is located on one side of the conveying chain and used for reading data information on the two-dimensional code card and detecting whether a workpiece exists or not, the queuing system is in communication connection with the code reading system and used for receiving the data information sent by the code reader, the spraying robot is in communication connection with the queuing system and used for reading the data information in the queuing system and spraying the corresponding workpiece.
Specifically, the conveying chain is provided with a hook, a workpiece can be hung on the conveying chain to advance along the conveying chain, meanwhile, a two-dimensional code card corresponding to the workpiece is hung at a fixed position on the conveying chain, so that the code reading system can accurately read codes, when the two-dimensional code card reaches the scanning range of the code reading system, the code reading system starts to detect whether the workpiece exists on the conveying chain, and simultaneously reads the content of the two-dimensional code on the two-dimensional code card, when the workpiece exists and the two-dimensional code is successfully read, the code reading system sends the read data information to the queuing system, otherwise, the code reading system does not read the content of the two-dimensional code or discards the read data information of the two-dimensional code, the queuing system is based on an industrial personal computer compiling program and used as a temporary storage data system for reading the data information by the code reading system, and the queuing system sorts the data information read by the code reading system in a, the spraying robot reads data information before and after data storage, meanwhile, the data information read by the spraying robot is automatically deleted, the data information read by the spraying robot is the data information of the next workpiece when the data information read by the spraying robot again, the spraying robot can preset the spraying process to be sprayed and the color to be sprayed of each workpiece, after the spraying robot acquires the workpiece information identified by the code reader, the corresponding process is called and the paint color is switched, when the workpiece reaches a spraying point, the spraying can be carried out promptly, and the staff only need hang the work piece of treating the spraying on the conveying chain to place corresponding two-dimensional code card according to the work piece type can, work piece and two-dimensional code card transport to next process along with the conveying chain, and whole process has realized the automation of control, solves workman operating efficiency low, intensity of labour is big, the cost of labor is high, influence big problem to the artificial health.
Further, in order to facilitate hanging and taking of the two-dimension code cards, the conveying chain in the embodiment of the invention is an iron chain type circulating conveying mode, after the sprayed workpieces are taken down, the to-be-sprayed hanging pieces can be hung on the conveying chain again, the conveying chain rotates in a closed-loop circulating mode, the working efficiency is greatly improved, the conveying chain can be single or multiple, and the workpieces are hung on the conveying chain, so that multiple hanging points are arranged on the conveying chain, multiple conveying chains can be converged into one conveying chain, different hanging points can be hung on different workpieces, and after all the workpieces are hung on the conveying chain, the two-dimension code cards of different types can be hung on corresponding workpieces, and the adaptability of a spraying production line is greatly enhanced.
Furthermore, because the conveying chain is made of ferrous materials, the two-dimension code cards are made of high-temperature-resistant magnetic iron, when a worker hangs a workpiece on the production line, the two-dimension code cards are easily adsorbed on the conveying chain, the operation is relatively convenient, the positions for placing the two-dimension code cards are preset on the conveying chain, and the distance between every two adjacent two-dimension code cards is the same, so that the worker can easily place the two-dimension code cards on the corresponding positions of the conveying chain without intentionally adjusting the distance between every two adjacent two-dimension code cards, the code reader is ensured to accurately read the two-dimension code, the workpiece is baked at high temperature after spraying is finished, in order to ensure that the two-dimension code cards do not fall off, the surface of each two-dimension code card is covered with a high-temperature-resistant film, when spraying generated by spraying covers the two-dimension code, the high-temperature-resistant film can be torn off and covered, so as to ensure the cleanness and tidiness of the two-dimension code card.
Because the types of the sprayed workpieces are more, the spraying processes of different workpieces are different, the workpieces need to be distinguished, the two-dimensional codes on the two-dimensional code card can establish a one-to-one correspondence relationship between the data information of the two-dimensional codes and the types of the workpieces to be sprayed in a manual setting mode, and the types of the sprayed workpieces can be known by reading the data information of the two-dimensional codes, as shown in fig. 3, the two-dimensional code card in the embodiment of the invention is printed with readable two-dimensional code contents which are numbered as 01, 02 and 03 … M in sequence, it needs to be noted that all the workpieces to be sprayed are gathered on one conveying chain and hung before the code reader reads the data information on the two-dimensional code card, after reading, the workpieces cannot be hung on a new workpiece at the original position (i.e. the position where the two-dimensional code data information is read), and the code reading work of all the workpieces on the whole conveying chain is completed, and then the whole body is hung on a new workpiece again.
The code reading system comprises a code reader and a first sensor, the first sensor is used for detecting whether the workpiece exists or not, the code reader is used for scanning and reading the two-dimensional code on the two-dimensional code card to obtain data information, when the workpiece reaches a preset position, the first sensor detects the workpiece to be sprayed and then transmits a detection signal to the code reader, and the code reader reads the two-dimensional code content on the two-dimensional code card and transmits the read two-dimensional code content to the queuing system.
The code reader adopts a double-trigger mechanism, namely a first sensor is used for detecting a workpiece and simultaneously reading a two-dimensional code, when the first sensor detects that the workpiece exists and the data information of the two-dimensional code is successfully read, the read data information is transmitted to a queuing system, the first sensor is used for detecting whether the workpiece exists on each hanging point, the code reader is used for reading a two-dimensional code card on each hanging point, when the first sensor does not detect that the workpiece exists, the code reader does not read the data information on the two-dimensional code card, the code reader does not transmit the data information to the queuing system, if the workpiece does not come down, the two-dimensional code card can be taken down, when the workpiece is only hung on a conveying chain, the spraying robot does not perform spraying operation, if the workpiece to be sprayed is the same, the two-dimensional code card can be always placed on the conveying chain, and the code reader only detects that the workpiece does not exist, the spraying operation is not performed.
Further, the code reader is provided with a repeated code reading module, the repeated code reading module performs multiple data reading on the two-dimensional code card, the optimal result in the multiple data reading is transmitted to the queuing system, the code reading times can be set on the repeated code reading module, the repeated code reading module performs specified times of reading on the two-dimensional code within set time, and the data result with the best reading effect is selected from the multiple code reading and transmitted to the queuing system. As shown in fig. 5, the code reader is provided with a plurality of reading effect indicating lamps, records various results such as code reading start, code reading success, code reading failure and the like, a worker knows the reading state and the reading result of the code reader according to the display of the indicating lamps and performs corresponding operation, and meanwhile, the code reading system is also provided with a starting button, namely a power switch, so as to ensure the safe and smooth operation of the production process.
Further, the queuing system is a medium for information exchange between the spraying robot and the code reading system, the queuing system is a software system for storing data information based on a queue form, the queuing system receives the data information sent by the code reader, arranges the data information according to the front-back sequence of the data information receiving time, the data information received first is arranged in front, the data information received later is arranged behind, when the data is needed externally, the queuing system sends the front data information first according to the front-back sequence of the data information, the sent data information is automatically deleted, the data information behind is sequentially advanced by one bit, as shown in fig. 4, the data information read by the code reader, namely the camera, is sequentially numbered as data 1, data 2, data 3 … data N, the queuing system sends the data information, the data information arranged at the top, namely data 1, data 3, data N, And meanwhile, the sent data 1 is automatically deleted, the following data 2 and data 3 … are sequentially advanced by one bit, and the data to be queued is sent to the outside next time.
The queuing system can store data information on any two-dimensional code card, a first storage module is arranged in the queuing system and used for storing the data information sent by a code reader in the code reading system, a plurality of workpieces can be arranged between the code reader and the spraying robot, and the number of the data information stored in the queuing system is the number of the workpieces which reach between the code reader and the spraying robot and do not start spraying.
Further, the spraying robot reads data information sent by the queuing system and calls a process and a color corresponding to a workpiece to be sprayed to spray the workpiece, and the spraying robot in the embodiment of the invention comprises a robot body, a paint supply system, a cleaning system and a spray gun; the spray gun is installed on the robot body, the spray gun is connected with the paint supply system and used for spraying paint on a workpiece, the robot body is in communication connection with the paint supply system, the robot body reads data information sent by the queuing system, the read data information is sent to the paint supply system, the paint color is switched by the paint supply system according to the received data information, the cleaning system is in communication connection with the robot body and connected with the paint supply system and used for cleaning the paint supply system, when the robot body reads that the workpiece information needs to be sprayed with paint in different colors, the robot body firstly sends an instruction to the cleaning system to clean the paint supply system, then the paint supply system carries out corresponding paint allocation on the workpiece needing to be sprayed, and the workpiece is sprayed.
The robot body is internally provided with a reading module, a second storage module, a second sensor and a deleting module, wherein the second sensor is used for detecting whether a workpiece reaches a spraying position, the reading module is used for reading data information sent by the queuing system, the second storage module is used for storing the data information read by the reading module, the robot body reads the previous data information according to the sequence of the content storage of the queuing system, then sequentially reads the following data information, and meanwhile, the deleting module is used for deleting the data information successfully read by the reading module, after the robot body reads the content, the corresponding data information can be deleted, and when the robot reads the next two-dimensional code, namely the workpiece information corresponding to the next two-dimensional code.
The spraying robot can set a spraying program and a color in advance according to the type of a workpiece, the workpiece corresponds to the spraying program one by one, after the robot body acquires two-dimensional code data information, the type of the workpiece can be known according to the data information, then the corresponding spraying program is called according to the type of the workpiece, the corresponding paint color is switched, and after the second sensor detects that the workpiece reaches a spraying position, the spraying gun sprays the workpiece.
The position of placing the two-dimensional code is reserved on the assembly line, the position of placing the two-dimensional code at every turn is basically the same, corresponding spraying workpieces can be hung to the couple that sets up above the assembly line, two sensors that set for detect the two-dimensional code respectively and detect whether spraying workpieces exist, be about to first sensor place read yard system for detect whether workpieces exist, read yard ware is used for reading the two-dimensional code, the second sensor sets up on the robot, whether workpieces still exist when being used for detecting the spraying.
As shown in fig. 2, the automatic workpiece recognition device for a spraying line in the present invention has the following specific processes: the conveying chain starts to run → the workpiece is hung and attached, the two-dimensional code card is pasted → the code reading system detects the two-dimensional code card and the workpiece → the code reader reads the data information of the two-dimensional code → the data information is sent to the queuing system → the spraying robot acquires the data information → the robot body transfers the spraying path of the workpiece → the second sensor detects that the workpiece reaches the spraying position → the robot starts spraying → the spraying is finished.
The above description is only exemplary of the invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the invention is intended to be covered by the appended claims.
Claims (10)
1. An automatic workpiece recognition device for a spray line, the automatic recognition device comprising:
the conveying chain is provided with workpieces and two-dimension code cards, wherein the two-dimension codes on the two-dimension code cards correspond to the types of the workpieces one by one;
the code reading system is positioned on one side of the conveying chain and used for reading the two-dimensional code on the two-dimensional code card so as to obtain data information and detect whether the workpiece exists or not;
the queuing system is in communication connection with the code reading system and is used for receiving data information sent by the code reading system;
and the spraying robot is in communication connection with the queuing system and is used for reading the data information in the queuing system and spraying the corresponding workpiece.
2. The automatic workpiece identification device for the spraying production line according to claim 1, wherein the conveying chain is made of iron, and the two-dimensional code card is a magnetic card and is arranged on the conveying chain;
the conveying chain is in closed-loop circulating conveying;
the distance between two adjacent two-dimensional code cards is the same.
3. The automatic workpiece recognition device for a painting line according to claim 2,
the two-dimensional code card is made by high temperature resistant magnet, and adsorbs on the conveying chain, the surface covering of two-dimensional code card has high temperature resistant membrane, is used for the protection the two-dimensional code card.
4. The automatic workpiece identification device for the spraying production line as claimed in claim 1, wherein the code reading system comprises a code reader and a first sensor, and the code reader is used for scanning and reading the two-dimensional code on the two-dimensional code card to obtain the data information; the first sensor is used for detecting whether the workpiece exists or not.
5. The automatic workpiece identification device for the spraying production line as claimed in claim 4, wherein the code reading system adopts a double-trigger mechanism;
when the first sensor in the code reading system detects that the workpiece exists, the code reader reads data information on the two-dimensional code card and transmits the data information to the queuing system;
when the first sensor in the code reading system does not detect the existence of the workpiece, the code reader does not read the data information on the two-dimensional code card, and the code reader does not transmit the data information to the queuing system.
6. The automatic workpiece identification device for the spraying production line according to claim 5, wherein a repeated code reading module is arranged in the code reader, the repeated code reading module performs multiple data reading on the two-dimensional code card, and the optimal result in the multiple data reading is transmitted to the queuing system.
7. The automatic workpiece identification device for the spray coating production line according to any one of claims 1 to 6, wherein the queuing system is a software system for storing data information in a queue-based manner, and the queuing system arranges the received data information sent by the code reader in a front-back order of data information receiving time;
and a first storage module is arranged in the queuing system and is used for storing the data information sent by the code reading system.
8. The automatic workpiece recognition device for a painting line according to claim 1, wherein the painting robot includes: the robot comprises a robot body, a paint supply system, a cleaning system and a spray gun;
the spray gun is installed on the robot body, and is connected with the paint supply system and used for spraying paint on the workpiece;
the robot body is in communication connection with the paint supply system, the robot body reads the data information sent by the queuing system, the read data information is sent to the paint supply system, and the paint color is switched by the paint supply system according to the received data information;
the cleaning system is in communication connection with the robot body and is connected with the paint supply system for cleaning the paint supply system.
9. The automatic workpiece recognition device for the spray coating line according to claim 8, wherein a reading module and a second storage module are arranged in the robot body;
the reading module is used for reading the data information sent by the queuing system, and the second storage module is used for storing the data information read by the reading module.
10. The automatic workpiece recognition device for the spraying production line according to claim 9, wherein a second sensor and a deletion module are arranged in the robot body;
the second sensor is used for detecting whether the workpiece reaches a spraying position, and the deleting module is used for deleting the data information which is successfully read by the reading module.
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