WO2006001178A1 - 塗装システム - Google Patents
塗装システムInfo
- Publication number
- WO2006001178A1 WO2006001178A1 PCT/JP2005/010598 JP2005010598W WO2006001178A1 WO 2006001178 A1 WO2006001178 A1 WO 2006001178A1 JP 2005010598 W JP2005010598 W JP 2005010598W WO 2006001178 A1 WO2006001178 A1 WO 2006001178A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- coating
- painting
- path
- discharge control
- Prior art date
Links
- 238000010422 painting Methods 0.000 title claims abstract description 101
- 239000003973 paint Substances 0.000 claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims description 112
- 238000000576 coating method Methods 0.000 claims description 112
- 238000004088 simulation Methods 0.000 claims description 15
- 230000001133 acceleration Effects 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
Definitions
- the present invention relates to a painting system for painting an automobile body or the like.
- a workpiece such as an automobile body
- it is generally performed in a painting booth configured in a tunnel shape.
- a painting machine is installed in the painting booth, and paint is sprayed from the paint outlet of the painting machine to the work that can be transferred by the conveyor.
- the coating machine is usually attached to a robot arm or the like, and sprays paint onto the workpiece while moving in the coating booth according to predetermined control data.
- the moving path (painting path) of the coating machine the spraying timing and the spraying amount of the paint differ, and the coating film thickness adhering to the workpiece differs. Therefore, in order to optimize the control data and obtain the desired coating thickness prior to coating, trial and error using an actual workpiece is performed.
- the workpiece shape information is input as, for example, CAD data of the automobile body B (work).
- the painter function information is information related to the function unique to the painter, for example, the time lag from when the injection command is sent as a signal to when the paint is actually injected.
- the painting path is the movement path of the painting machine.
- the CAD data is used to divide the painted surface into multiple areas and teach the painting sequence.
- Discharge control data is data for controlling the spray timing and amount of paint, and is created according to the paint path.
- Patent Document 1 Japanese Patent Laid-Open No. 10-264059
- the robot control panel is configured to control the paint pump.
- the robot control is performed by controlling 6 axes to move the arm freely, but the paint pump is controlled by considering the paint pump as the 7th axis of the robot for convenience.
- the discharge control data for controlling the paint pump is subordinate to the paint pass data for realizing the robot arm control.
- the discharge control data is related to at least three-dimensional data. Therefore, when the painting path data is changed and the painting path is changed, the above-mentioned points change, and accordingly, it is necessary to change the discharge control data accordingly. Also, when changing the discharge control data such as the discharge timing, it was necessary to specify the point on the painting nose. As a result, it took a lot of man-hours to correct the control data.
- control of the paint pump is not limited to the seventh axis, and a configuration in which the paint pump is controlled separately from the robot control is also considered.
- the idea of controlling the paint pump at a point on the paint path is not different.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to devise control of a paint pump and shorten the time required for optimization of control data as much as possible. Means for solving the problem
- Means A coating machine for spraying paint on an object to be coated;
- Robot control means for controlling the robot to move the coating machine along a coating path which is a coating path based on the coating path data
- a pump control means for controlling the pump to discharge paint based on the discharge control data
- a coating system characterized in that the coating pass data force is made independent by associating the discharge control data with time information for synchronizing with the robot control.
- the painting system described in means 1 includes a painting machine, a robot, robot control means, a pump, and a pump control means.
- the robot control means power painting path data
- the robot is controlled to move the coating machine along the painting path as the painting path.
- the pump control means controls the pump based on the discharge control data and discharges the paint from the coating machine.
- the painting pass data force is also made independent by associating the discharge control data with the time information.
- Time information is for synchronizing with robot control
- the discharge control data is associated with a predetermined point on the painting pass. Therefore, when the painting pass data is changed and the painting pass is changed, the above-mentioned points change, so it is necessary to change the discharge control data accordingly. Also, when changing the discharge control data such as the discharge timing, it was necessary to specify the point on the painting pass.
- the painting system characterized in that the time information is counted together with the start of the robot control.
- the start force of the robot control becomes so-called timer control in which the pump is controlled after a lapse of a predetermined time, and it is not necessary to consider the points on the painting path when correcting the discharge control data.
- the time required can be shortened.
- Means 3 In the coating system according to Means 1 or 2,
- a coating system comprising data creating means for creating the coating pass data and the discharge control data by repeating a film thickness simulation on a computer.
- data creating means is provided.
- the data creation means creates coating pass data and discharge control data by repeating the film thickness simulation on the computer. If virtual trial error is performed on the computer prior to actual painting in this way, the time required for optimizing the control data can be shortened.
- Means 4 In the coating system according to Means 3,
- the painting system characterized in that the data creation means creates painting path data and discharge control data by inputting basic painting path information which is information on a painting path approximate to a painting path to be created.
- the data creation means can re-create the coating pass data and the discharge control data. Painting system.
- the data creating means performs the painting pass data and the discharge control. Since the data can be created again, even if the desired result is not obtained, the control data can be re-created easily unlike the conventional manual painting path creation.
- a technique for semi-automatically measuring the coating film thickness of an object to be coated is also known. However, there is a lot of work by workers. Therefore, it is conceivable to automate the creation or correction of control data by the following method.
- Means 6 In the coating system according to any one of means 3 to 5,
- the data creating means can re-create the paint path data based on the actual moving state of the coating machine. Therefore, it is very easy to create painting path data again.
- Means 7 In the coating system according to any one of means 1 to 6,
- a painting system comprising painting path data correcting means for correcting the painting nose data based on an actual movement state of the coating machine based on the painting path data.
- the paint path data correcting means is provided, and the paint path data correcting means corrects the paint path data based on the actual movement state of the coating machine. Therefore, unlike the conventional manual correction, the painting path data can be automatically corrected.
- the moving state is measured by using an acceleration sensor.
- the actual movement state of the coating machine can be obtained by a sensor or the like, for example, as shown in means 8, it can be measured using an acceleration sensor. In this way, it is possible to easily obtain the actual moving state of the coating machine.
- a coating system comprising discharge control data correcting means for correcting the discharge control data based on an actual discharge state of the coating machine based on the discharge control data.
- the discharge control data correction means is provided, and the discharge control data correction means corrects the discharge control data based on the actual discharge state of the coating machine. Therefore, unlike the conventional manual correction, the discharge control data can be automatically corrected.
- Means 10 In the coating system according to means 9,
- the discharge system includes time information from the time when a command to discharge the paint by the pump control means to the time when the paint adheres to the object to be coated.
- Means 11 In the coating system according to any one of means 1 to 10,
- a painting system using a cylinder pump as the pump is shown.
- the means 11 is advantageous because the use of the cylinder pump reduces the need for correction of the control data due to deterioration with a small possibility of deterioration over time.
- FIG. 1 is an explanatory diagram showing a coating system of the present embodiment.
- the coating system includes a data creation device 10, a film thickness simulation device 11, a data correction device 20, a robot control panel 30, a robot 31, a discharge control panel 40, a cylinder pump 41, and a coating machine 42.
- the data creation device 10, the film thickness simulation device 11, and the data correction device 20 are realized as a so-called computer system. Of course, it is not necessary to configure each of them separately, for example, both functions of the data creation device 10 and the data correction device 20 may be realized by the same computer system.
- the robot 31 has an arm 32, and a coating machine 42 is attached to the tip of the arm 32.
- the robot control panel 30 can control the robot 31 to move the coating machine 42 along the coating path.
- the coating machine 42 has a nozzle (for example, a bell) 43.
- the cylinder pump 41 is a pump for injecting paint from the nozzle 43 of the coating machine 42, and the cylinder pump 41 is controlled by a discharge control panel 40.
- the automobile body B is painted as an "object to be painted".
- workpiece shape information is input as CAD data for car body B.
- the painter function information is information related to the function unique to the painter. For example, from when a discharge command is sent as a signal from the discharge control panel 40, until the paint is actually discharged from the nozzle 43 of the painter 42. Time lag.
- the basic paint pass information is the paint pass data that is closest to the paint pass that should be set this time among the paint pass data created in the past.
- the data creation device 10 automatically creates coating pass data and discharge control data based on the film thickness simulation results made by the film thickness simulation device 11. To do.
- the coating path data and the discharge control data that are automatically created here undergo virtual trial-and-error on the computer by repeatedly executing the film thickness simulation in the film thickness simulation device 11, and then on the computer.
- the ideal data That is, the data creation device 10 outputs ideal coating pass data and ideal discharge control data as shown in the figure.
- the painting pass data and the discharge control data are input to the data correction device 20.
- the force at which the first data correction may be performed Normally, the paint pass data is converted as control paint pass data, and the discharge control data is converted as control discharge control data. Output to panel 30 and discharge control panel 40.
- the robot control panel 30 controls the robot 31 based on the control painting pass data. As a result, the coating machine 42 moves along the painting path based on the painting path data for control.
- the discharge control panel 40 controls the cylinder pump 41 based on the control discharge control data. As a result, the coating machine 42 can discharge the paint based on the control discharge control data.
- the discharge control panel 40 controls the cylinder pump 41 based on time information counted from the start of control by the robot control panel 30. That is, the control of the cylinder pump 41 is timer control. Therefore, unlike the configuration in which the pump is controlled at a predetermined point on the coating path, the discharge control data and the coating path data force are independent.
- the data correction device 20 described above automatically corrects the discharge control data based on the actual discharge state data.
- the discharge state data is automatically acquired and may be, for example, time information from when the discharge command is sent from the discharge control panel 40 to the cylinder pump 41 until the paint adheres to the automobile body B.
- the data correction device 20 automatically corrects the painting pass data based on the actual movement state data.
- the movement state data is automatically acquired by using an acceleration sensor or the like.
- the movement state data includes movement information having acceleration at a portion instructed to move at a constant velocity, or circular movement information at a corner portion to be moved at a right angle. is there.
- the data creation device 10 creates paint path data again based on the actual movement state data. For example, this is a case where the actual movement state data obtained is out of alignment with the actual painting pass, which cannot be dealt with by correction of the painting pass data.
- the data creation device 10 can create the painting pass data and the discharge control data again if necessary based on the actual painting result data.
- the coating result data is the actual coating thickness of the automobile body B.
- a semi-automatic measurement technique has been developed. However, a configuration in which an operator measures and inputs the data to the data creation device 10 may be adopted.
- the robot control panel 30 in this embodiment corresponds to “robot control means”
- the discharge control panel 40 corresponds to “pump control means”.
- the data creation device 10 corresponds to “data creation means”
- the data correction device 20 corresponds to “painting path data correction means” and “discharge control data correction means”.
- the discharge control panel 40 controls the cylinder pump 41 based on time information in which the control start force by the robot control panel 30 is also counted.
- the control of the cylinder pump 41 is a timer control, and unlike the configuration in which the pump is controlled at a predetermined point on the painting pass, the discharge control data is independent of the painting pass data force. As a result, it is not necessary to consider points on the coating path when correcting the discharge control data, and the time required to optimize the control data to obtain the desired coating film thickness can be reduced. .
- the data creation device 10 automatically creates coating pass data and discharge control data based on the film thickness simulation result obtained by the film thickness simulation device 11.
- the coating path data and the discharge control data that are automatically created here are ideally executed on the computer through a virtual trial and error on the computer by repeatedly executing the film thickness simulation in the film thickness simulation device 11. It becomes data. If virtual trial and error is performed on the computer prior to actual painting in this way, the time required to optimize the control data can be shortened.
- the basic painting pass information is input to the data creation device 10. If basic coating path information is input in this way, the number of trial and error operations using the film thickness simulation device 11 is likely to be reduced, and the time required for control data optimization can be reduced. Is more likely.
- the data correction device 20 automatically corrects the discharge control data based on the actual discharge state data. Further, the data correction device 20 automatically corrects the painting nose data based on the actual movement state data. Therefore, unlike conventional manual correction, it is possible to automatically correct discharge control data and painting pass data.
- the data creation device 10 creates the painting pass data again if necessary based on the actual motion state data.
- the data creation device 10 can create the painting pass data and the discharge control data again if necessary based on the actual painting result data. Therefore, even if the desired result cannot be obtained, the control data can be easily recreated, unlike the conventional manual creation of the paint nose.
- the cylinder pump 41 is employed as a pump. This is advantageous because there is less need for correction of control data due to deterioration, which is less likely to deteriorate over time, as compared to a configuration employing a gear pump.
- the force used to create and correct the control data based on the three data of the actual discharge state data, the actual movement state data, and the actual painting result data.
- the configuration may be such that control data is created or corrected using at least one of the data.
- the automobile body B is the object to be coated.
- the present system can also be applied to the painting of another object to be painted.
- FIG. 1 is an explanatory view showing a coating system of the present embodiment.
- FIG. 2 is an explanatory view showing a conventional coating system.
- 10 Data creation device as data creation means, 20 ⁇ Paint path data correction means And a data correction device as discharge control data correction means, 30... Robot control panel as robot control means, 31... Robot, 32... Arm, 40 ... Discharge control panel as pump control means, 41 ... Cylinder pump, 42 ... Painting machine, 43 ... Pump, B ... Automobile bore as the object to be painted.
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004188208A JP2006007107A (ja) | 2004-06-25 | 2004-06-25 | 塗装システム |
JP2004-188208 | 2004-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006001178A1 true WO2006001178A1 (ja) | 2006-01-05 |
Family
ID=35774926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/010598 WO2006001178A1 (ja) | 2004-06-25 | 2005-06-09 | 塗装システム |
Country Status (2)
Country | Link |
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JP (1) | JP2006007107A (ja) |
WO (1) | WO2006001178A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011045951A (ja) * | 2009-08-26 | 2011-03-10 | Asahi Sunac Corp | 塗装用ロボットのティーチング装置、及びティーチング方法 |
JP4870831B2 (ja) * | 2010-06-30 | 2012-02-08 | ファナック株式会社 | 塗布作業シミュレーション装置 |
US10661307B2 (en) | 2017-03-03 | 2020-05-26 | Honda Motor Co., Ltd. | Method and system for use in applying a coating material to a vehicle |
US20220126318A1 (en) * | 2020-10-28 | 2022-04-28 | GM Global Technology Operations LLC | Method for selective coating application |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09182947A (ja) * | 1995-12-28 | 1997-07-15 | Ube Ind Ltd | 金型スプレイロボットの教示方法 |
JPH10264059A (ja) * | 1997-03-27 | 1998-10-06 | Trinity Ind Corp | 塗装ロボットのティーチング装置 |
JP2002052484A (ja) * | 2000-08-14 | 2002-02-19 | Mitsubishi Heavy Ind Ltd | ロボット装置及びその制御方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6084180A (ja) * | 1983-10-14 | 1985-05-13 | Toyota Motor Corp | ロボツトを用いた自動塗装方法とその装置 |
JPS6115762A (ja) * | 1984-07-03 | 1986-01-23 | Toyota Motor Corp | ロボツトによる自動塗装における塗料吐出量制御方法 |
JPS6121757A (ja) * | 1984-07-09 | 1986-01-30 | Toyota Motor Corp | ロボツトによる自動塗装における塗料吐出量制御方法 |
JP2521102Y2 (ja) * | 1990-11-30 | 1996-12-25 | トリニティ工業株式会社 | 導電性塗料の静電塗装装置 |
JPH07168617A (ja) * | 1993-06-25 | 1995-07-04 | Matsushita Electric Works Ltd | ロボットのオフライン教示方法 |
JP2000271888A (ja) * | 1999-03-25 | 2000-10-03 | Fanuc Ltd | ロボット制御装置 |
JP2001287179A (ja) * | 2000-04-11 | 2001-10-16 | Hikari Toso Kogyo Kk | 産業用ロボット教示装置 |
JP2002355605A (ja) * | 2001-05-29 | 2002-12-10 | Kanto Auto Works Ltd | 自動車用ウインドウのウレタン塗布方法 |
-
2004
- 2004-06-25 JP JP2004188208A patent/JP2006007107A/ja active Pending
-
2005
- 2005-06-09 WO PCT/JP2005/010598 patent/WO2006001178A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09182947A (ja) * | 1995-12-28 | 1997-07-15 | Ube Ind Ltd | 金型スプレイロボットの教示方法 |
JPH10264059A (ja) * | 1997-03-27 | 1998-10-06 | Trinity Ind Corp | 塗装ロボットのティーチング装置 |
JP2002052484A (ja) * | 2000-08-14 | 2002-02-19 | Mitsubishi Heavy Ind Ltd | ロボット装置及びその制御方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2006007107A (ja) | 2006-01-12 |
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