阅读说明：本技术 一种喷漆控制方法 (Paint spraying control method ) 是由 周海龙 李正训 孙奇 沙建磊 袁晓波 张彬 杨慧 陈俊伟 于 2020-12-01 设计创作，主要内容包括：本发明公开了一种喷漆控制方法,其技术方案要点是包括以下步骤：S1、编程；S2、编号；S3、装载物料；S4、底漆喷涂程序获取；S5、底漆喷涂；S6、面漆喷涂程序获取；S7、面漆喷涂；本发明在对不同规格的工件进行喷涂的时候不需要重新确定工件停靠位置以及喷漆程序,提高了喷漆的效率。(The invention discloses a paint spraying control method, which adopts the technical scheme that the method comprises the following steps: s1, programming; s2, numbering; s3, loading materials; s4, obtaining a primer spraying program; s5, spraying a primer; s6, obtaining a finish paint spraying program; s7, spraying finish paint; when workpieces of different specifications are sprayed, the stopping positions of the workpieces and the paint spraying program do not need to be determined again, and the paint spraying efficiency is improved.)

1. A paint spraying control method is characterized in that: the method comprises the following steps:

s1, programming: setting the stopping positions of the workpieces with different specifications at a primer spraying station and a finish spraying station, respectively setting a primer spraying program and a finish spraying program according to the stopping positions, and storing the programs;

s2, number: numbering workpieces of different specifications, and compiling numbers corresponding to the workpiece numbers by the parking positions of the workpieces and the spraying programs;

s3, loading materials: conveying the workpiece to be sprayed into a paint spraying assembly line;

s4, obtaining a primer spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a primer spraying station, and a primer spraying program corresponding to the workpiece number is called;

s5, spraying of primer: performing primer spraying on the workpiece according to the obtained primer spraying program;

s6, obtaining a finish paint spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a finish paint spraying station, and a finish paint spraying program corresponding to the workpiece number is called;

s7, spraying finish paint: and carrying out finish paint spraying on the workpiece according to the obtained finish paint spraying program.

2. A paint spraying control method according to claim 1, characterized in that: in the step S2, compiling a corresponding number for a logistics transport vehicle for loading the workpieces for transport according to the numbers of the workpieces;

in step S3, the workpiece is placed on the logistics transportation vehicle corresponding to the workpiece number, and the material loaded by the logistics transportation vehicle moves in the paint spraying line.

3. A paint spraying control method according to claim 2, characterized in that: each parking position of the primer spraying station and the finish spraying station is provided with a parking device, the parking devices are used for controlling the logistics transport vehicle corresponding to the serial number of the parking position where the parking devices are located to park at the parking position, and the serial numbers of the parking devices and the parking position where the parking devices are located are the same.

4. A paint spraying control method according to claim 3, characterized in that: in the step S4, when the material transport vehicle enters the primer spraying station, the parking device with the corresponding number controls the logistics transport vehicle to park at the parking position with the corresponding number, and the corresponding primer spraying program is obtained according to the number of the parking device;

in step S6, when the material transport vehicle enters the finish paint spraying station, the docking device with the corresponding number controls the logistics transport vehicle to dock at the docking position with the corresponding number, and the corresponding finish paint spraying program is obtained according to the number of the docking device.

5. A paint spraying control method according to claim 1, characterized in that: step S4 includes the following steps:

s41, obtaining a primer spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a primer spraying station, and a primer spraying program corresponding to the workpiece number is called;

s42, acquiring workpiece information;

s43, judging the consistency of the numbers: comparing the workpiece number with the program number, judging whether the workpiece number corresponds to the program number, if so, judging that the workpiece number is consistent, and performing step S5, and if not, judging that the workpiece number is inconsistent, and performing step S44;

s44, modifying the program: the primer spraying procedure is manually modified to the primer spraying procedure corresponding to the workpiece number, and then the step S5 is performed.

6. A paint spraying control method according to claim 1, characterized in that: step S6 includes the following steps:

s61, obtaining a finish paint spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a finish paint spraying station, and a finish paint spraying program corresponding to the workpiece number is called;

s62, acquiring workpiece information;

s63, judging the consistency of the numbers: comparing the workpiece number with the program number, judging whether the workpiece number corresponds to the program number, if so, judging that the workpiece number is consistent, and performing step S7, and if not, judging that the workpiece number is inconsistent, and performing step S64;

s64, modifying the program: and (5) manually modifying the finish paint spraying program into a finish paint spraying program corresponding to the workpiece number, and then performing the step S7.

7. A paint spraying control method according to claim 1, characterized in that: the steps S5 and S7 comprise three steps of painting, leveling and drying.

8. A paint spraying control method according to claim 1, characterized in that: step S3 includes the following steps:

s31, workpiece detection: judging whether the workpiece number corresponds to the stored program number, if so, performing step S4, otherwise, performing step S32;

s32, adding a program: numbering the workpieces, determining the stop positions of the workpieces at a primer painting station and a finish painting station, determining a new primer painting program and a new finish painting program, compiling the numbers corresponding to the workpiece numbers by using the newly determined primer stop positions and the new paint painting programs, and then performing step S4.

9. A paint spraying control method according to claim 1, characterized in that: further comprises the following steps of S8, paint film detection: and (4) extracting a workpiece of a certain type for paint film detection.

10. A paint spraying control method according to claim 9, characterized in that: the step S8 includes the steps of: appearance inspection, paint film color detection, paint film thickness detection and adhesive force detection.

Technical Field

The invention relates to the technical field of paint spraying control, in particular to a paint spraying control method.

Background

Present work piece is when spraying paint, mostly spray through the assembly line that sprays paint, when the work piece spraying, need be through priming paint spraying and finish paint spraying two-step spraying, and when spraying, in order to save the manual work and improve the efficiency of spraying, the mode that adopts the robot spraying mostly carries out the spraying of priming paint and finish paint, when spraying the work piece, need enter into the position of spraying station according to the shape structure of work piece and program the robot, control the angle of spraying paint and the flow of spraying paint of robot, realize the spraying to the work piece.

The spraying assembly line only can spray a single workpiece, and only can redetermine the stopping position and reprogram when spraying the workpiece with various specifications, so that when the spraying assembly line is used for spraying the workpieces with various specifications, the stopping position and the programming are redetermined every time the workpiece is replaced, and the spraying efficiency is greatly reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a paint spraying control method which does not need to determine the stopping position of a workpiece and a paint spraying program again when workpieces with different specifications are sprayed, so that the paint spraying efficiency is improved.

In order to achieve the purpose, the invention provides the following technical scheme: a paint spray control method comprising the steps of:

s1, programming: setting the stopping positions of the workpieces with different specifications at a primer spraying station and a finish spraying station, respectively setting a primer spraying program and a finish spraying program according to the stopping positions, and storing the programs;

s2, number: numbering workpieces of different specifications, and compiling numbers corresponding to the workpiece numbers by the parking positions of the workpieces and the spraying programs;

s3, loading materials: conveying the workpiece to be sprayed into a paint spraying assembly line;

s4, obtaining a primer spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a primer spraying station, and a primer spraying program corresponding to the workpiece number is called;

s5, spraying of primer: performing primer spraying on the workpiece according to the obtained primer spraying program;

s6, obtaining a finish paint spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a finish paint spraying station, and a finish paint spraying program corresponding to the workpiece number is called;

s7, spraying finish paint: and carrying out finish paint spraying on the workpiece according to the obtained finish paint spraying program.

By adopting the technical scheme, different workpieces, the stop positions corresponding to the different workpieces and the spraying programs are numbered, when the different workpieces are sprayed, the workpieces can be controlled to stop at the corresponding stop positions according to the numbers and the corresponding spraying programs are called to be sprayed, the stop positions and the spraying programs do not need to be determined again, the time is saved, and the spraying efficiency is improved.

The invention is further configured to: in the step S2, compiling a corresponding number for a logistics transport vehicle for loading the workpieces for transport according to the numbers of the workpieces;

in step S3, the workpiece is placed on the logistics transportation vehicle corresponding to the workpiece number, and the material loaded by the logistics transportation vehicle moves in the paint spraying line.

The invention is further configured to: each parking position of the primer spraying station and the finish spraying station is provided with a parking device, the parking devices are used for controlling the logistics transport vehicle corresponding to the serial number of the parking position where the parking devices are located to park at the parking position, and the serial numbers of the parking devices and the parking position where the parking devices are located are the same.

The invention is further configured to: in the step S4, when the material transport vehicle enters the primer spraying station, the parking device with the corresponding number controls the logistics transport vehicle to park at the parking position with the corresponding number, and the corresponding primer spraying program is obtained according to the number of the parking device;

in step S6, when the material transport vehicle enters the finish paint spraying station, the docking device with the corresponding number controls the logistics transport vehicle to dock at the docking position with the corresponding number, and the corresponding finish paint spraying program is obtained according to the number of the docking device.

The invention is further configured to: step S4 includes the following steps:

s41, obtaining a primer spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a primer spraying station, and a primer spraying program corresponding to the workpiece number is called;

s42, acquiring workpiece information;

s43, judging the consistency of the numbers: comparing the workpiece number with the program number, judging whether the workpiece number corresponds to the program number, if so, judging that the workpiece number is consistent, and performing step S5, and if not, judging that the workpiece number is inconsistent, and performing step S44;

s44, modifying the program: the primer spraying procedure is manually modified to the primer spraying procedure corresponding to the workpiece number, and then the step S5 is performed.

The invention is further configured to: step S6 includes the following steps:

s61, obtaining a finish paint spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a finish paint spraying station, and a finish paint spraying program corresponding to the workpiece number is called;

s62, acquiring workpiece information;

s63, judging the consistency of the numbers: comparing the workpiece number with the program number, judging whether the workpiece number corresponds to the program number, if so, judging that the workpiece number is consistent, and performing step S7, and if not, judging that the workpiece number is inconsistent, and performing step S64;

s64, modifying the program: and (5) manually modifying the finish paint spraying program into a finish paint spraying program corresponding to the workpiece number, and then performing the step S7.

The invention is further configured to: the steps S5 and S7 comprise three steps of painting, leveling and drying.

The invention is further configured to: step S3 includes the following steps:

s31, workpiece detection: judging whether the workpiece number corresponds to the stored program number, if so, performing step S4, otherwise, performing step S32;

s32, adding a program: numbering the workpieces, determining the stop positions of the workpieces at a primer painting station and a finish painting station, determining a new primer painting program and a new finish painting program, compiling the numbers corresponding to the workpiece numbers by using the newly determined primer stop positions and the new paint painting programs, and then performing step S4.

The invention is further configured to: further comprises the following steps of S8, paint film detection: and (4) extracting a workpiece of a certain type for paint film detection.

The invention is further configured to: the step S8 includes the steps of: appearance inspection, paint film color detection, paint film thickness detection and adhesive force detection.

In summary, compared with the prior art, the invention has the following beneficial effects: the invention numbers different workpieces, stop positions corresponding to the different workpieces and spraying programs, can control the workpieces to stop at the corresponding stop positions according to the numbers and call the corresponding spraying programs for spraying when the different workpieces are sprayed, does not need to re-determine the stop positions and the spraying programs, saves time and improves the spraying efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall steps of an embodiment.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The invention is further described with reference to the drawings and the preferred embodiments.

Example (b): a paint spray control method, see figure 1, comprising the steps of:

s1, programming: setting the stopping positions of the workpieces with different specifications at a primer spraying station and a finish spraying station, respectively setting a primer spraying program and a finish spraying program according to the stopping positions, and storing the programs;

s2, number: numbering workpieces of different specifications, and compiling numbers corresponding to the workpiece numbers by the parking positions of the workpieces and the spraying programs;

s3, loading materials: conveying the workpiece to be sprayed into a paint spraying assembly line;

s4, obtaining a primer spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a primer spraying station, and a primer spraying program corresponding to the workpiece number is called;

s5, spraying of primer: performing primer spraying on the workpiece according to the obtained primer spraying program;

s6, obtaining a finish paint spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a finish paint spraying station, and a finish paint spraying program corresponding to the workpiece number is called;

s7, spraying finish paint: and carrying out finish paint spraying on the workpiece according to the obtained finish paint spraying program.

In this embodiment, when numbering is performed in step S2, the stop position of the workpiece in the primer spraying station, the primer spraying program, the stop position of the workpiece in the finish spraying station, and the finish spraying program are all numbered, and are made to correspond to the numbers of the corresponding workpieces.

After the workpiece enters the spraying production line, the serial number of the workpiece is identified, the stopping positions of the workpiece in the primer spraying station and the finish spraying station are determined through the serial number, and when the workpiece stops at the corresponding stopping positions, the corresponding spraying program is called to spray according to the serial number of the stopping positions.

Preferably, in this embodiment, during numbering, the workpiece is numbered by adding different suffixes to the workpiece after numbering the workpiece, the primer spraying program, the workpiece stopping position in the finish spraying station, and the finish spraying program; for example, the workpiece is numbered A, and the workpiece is numbered A-primer stop at the stop position in the primer spraying station; the primer spraying procedure is numbered as A-primer spraying; the number of the stop position of the workpiece in the finish paint spraying station is A-finish paint stop; the number of the finish spraying program is A-finish stop.

Preferably, in this embodiment, after the workpiece is sent to the paint spraying line in step S3, the workpiece is transported by a logistics transport vehicle; in step S2, when numbering, the logistics transport vehicles are also numbered, and the logistics transport vehicles are numbered by adding suffixes to the numbers of the corresponding workpieces.

In this embodiment, each of the parking positions of the primer spraying station and the finish spraying station is provided with a parking device, the parking device is used for controlling the logistics transport vehicle corresponding to the serial number of the parking position where the parking device is located to park at the parking position, and the serial numbers of the parking device and the parking position where the parking device is located are the same. Specifically, in this embodiment, the stop device employs a travel switch, and the travel switch can control the logistics transportation location corresponding to the serial number of the travel switch to stop at the stop position with the same serial number as the travel switch.

In this embodiment, in step S4, when the material transport vehicle enters the primer spraying station, the docking device with the corresponding number controls the logistics transport vehicle to dock at the docking position with the corresponding number, and the corresponding primer spraying program is obtained according to the number of the docking device;

in step S6, when the material transport vehicle enters the finish paint spraying station, the docking device with the corresponding number controls the logistics transport vehicle to dock at the docking position with the corresponding number, and the corresponding finish paint spraying program is obtained according to the number of the docking device.

In this embodiment, step S3 includes the following steps:

s31, workpiece detection: judging whether the workpiece number corresponds to the stored program number, if so, performing step S4, otherwise, performing step S32;

s32, adding a program: numbering the workpieces, determining the stop positions of the workpieces at a primer painting station and a finish painting station, determining a new primer painting program and a new finish painting program, compiling the numbers corresponding to the workpiece numbers by using the newly determined primer stop positions and the new paint painting programs, and then performing step S4.

When a program is newly added in step S32, a parking device is set among the newly determined parking positions, and in this embodiment, the newly set parking device is also a travel switch.

In this embodiment, step S4 includes the following steps:

s41, obtaining a primer spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a primer spraying station, and a primer spraying program corresponding to the workpiece number is called;

s42, acquiring workpiece information;

s43, judging the consistency of the numbers: comparing the workpiece number with the program number, judging whether the workpiece number corresponds to the program number, if so, judging that the workpiece number is consistent, and performing step S5, and if not, judging that the workpiece number is inconsistent, and performing step S44;

s44, modifying the program: the primer spraying procedure is manually modified to the primer spraying procedure corresponding to the workpiece number, and then the step S5 is performed.

In this embodiment, step S6 includes the following steps:

s61, obtaining a finish paint spraying program: the workpiece stops at a stop position with the number corresponding to the workpiece number at a finish paint spraying station, and a finish paint spraying program corresponding to the workpiece number is called;

s62, acquiring workpiece information;

s63, judging the consistency of the numbers: comparing the workpiece number with the program number, judging whether the workpiece number corresponds to the program number, if so, judging that the workpiece number is consistent, and performing step S7, and if not, judging that the workpiece number is inconsistent, and performing step S64;

s64, modifying the program: and (5) manually modifying the finish paint spraying program into a finish paint spraying program corresponding to the workpiece number, and then performing the step S7.

In this embodiment, the acquiring of the workpiece information in steps S42 and S62 is to acquire the serial number of the workpiece, and in some embodiments, the serial number of the corresponding workpiece is acquired by reading the serial number of the logistics transport cart; in the present embodiment, when the workpiece is numbered in step S2, the scan information of the workpiece is stored together with the number as a set of information; when the workpiece information is acquired, the scanning information of the workpiece is acquired through scanning, and then the serial number of the workpiece is acquired through the scanning information. In this embodiment, the workpiece is scanned by laser scanning during scanning.

In this embodiment, when a new program is added in step S32, the scan information and the number of the workpiece are also stored as a set of information.

In this embodiment, step S5 includes the following steps:

s51, spray painting: spraying the primer on the workpiece by the robot under the control of the called primer spraying program;

s52, leveling: leveling operation is carried out on the workpiece after the primer is sprayed;

s53, drying: drying the primer on the workpiece after leveling;

in this embodiment, step S7 includes the following steps:

s71, spray painting: spraying finish paint on the workpiece by the robot under the control of the called finish paint spraying program;

s72, leveling: leveling the workpiece sprayed with the finish paint;

s73, drying: drying the finish paint on the leveled workpiece;

in the embodiment, the leveling operation in the step S52 and the step S72 is performed in a leveling chamber, the leveling operation is performed in a closed, clean and air-flowing chamber for 5min to 10min, the leveling purpose is to volatilize solvent volatile gas on the surface of the wet paint, and the wet film can be leveled while the volatile gas is volatilized, so that the flatness and the glossiness of the paint film are ensured.

In this embodiment, the paint spraying control method further includes step S8, detecting a paint film: and (4) extracting a workpiece of a certain type for paint film detection.

When the workpiece is extracted, when the workpiece is a workpiece to which the painting program is newly input through step S44 and step S64, the workpiece is extracted for paint film inspection.

In this embodiment, step S8 includes the following steps:

s81, appearance inspection: detecting whether the paint surface has defects of pinholes, bubbles, cracks, falling, sagging, missing coating and the like;

s82, paint film color detection: carrying out colorimetric detection on the paint color through a standard color card, wherein the color detection meets the requirements;

s83, paint film thickness detection: detecting the total thickness of the paint film after the paint film is completely dried;

s84, adhesive force detection: and detecting the adhesive force of the paint film on the surface of the workpiece.

In this embodiment, when the adhesion detection is performed in step S84, a shear mark is cut on the workpiece by using a safety blade, so that the shear mark forms a square, and then a paint film in the square is touched by hand, so that the paint film does not fall off to be qualified; in this embodiment, six parallel cuts are cut by the safety blade, and then six cuts perpendicular to the cut cuts are formed to form squares on the surface of the workpiece. When cutting the cut mark, it is necessary to cut through the entire thickness of the paint film.

In this embodiment, when the paint species is replaced or the spraying process is performed, the adhesion detection is performed on the workpiece which is used for the first process.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.