KR20130002727A - Apparatus for printing image on outside surface of vehicle - Google Patents

Apparatus for printing image on outside surface of vehicle Download PDF

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Publication number
KR20130002727A
KR20130002727A KR1020110063870A KR20110063870A KR20130002727A KR 20130002727 A KR20130002727 A KR 20130002727A KR 1020110063870 A KR1020110063870 A KR 1020110063870A KR 20110063870 A KR20110063870 A KR 20110063870A KR 20130002727 A KR20130002727 A KR 20130002727A
Authority
KR
South Korea
Prior art keywords
paint
image
vehicle
spray
package
Prior art date
Application number
KR1020110063870A
Other languages
Korean (ko)
Inventor
전선규
Original Assignee
르노삼성자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 르노삼성자동차 주식회사 filed Critical 르노삼성자동차 주식회사
Priority to KR1020110063870A priority Critical patent/KR20130002727A/en
Publication of KR20130002727A publication Critical patent/KR20130002727A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/006—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on curved surfaces not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14201—Structure of print heads with piezoelectric elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns

Abstract

PURPOSE: A device for printing images of an exterior surface of a vehicle is provided to spray paint on the exterior surface of the vehicle without manual labor, thereby printing specific images or characters. CONSTITUTION: A device(10) for printing images of an exterior surface of a vehicle comprises a frame(11), a paint spray module(20), and a controller(60). The frame is erupted around one side of an assembled vehicle(5) in a direction perpendicular to a bottom. The paint spray module is joined to the frame and comprises a module base(21) and a paint spray package(30) The module base is joined to a pair of columns(17) to be vertically movable. The paint spray package is joined to the module base to be transversely movable and sprays paint of a plurality of colors. The controller controls the paint spray module so that the image which a client requests is expressed on the exterior surface of the vehicle.

Description

Apparatus for printing image on outside surface of vehicle}

The present invention relates to a vehicle exterior image printing apparatus capable of printing a specific image on the exterior of a vehicle.

Increasingly, specific images or texts are displayed on the exterior of a vehicle for the purpose of promoting a company or a product, expressing personality of an individual, or a campaign. However, automakers are currently only launching products by painting them in mono or two tone colors, and adding additional work after receiving a new car to express a specific image or text. shall.

Most of the way of expressing a specific image or text on the exterior of the vehicle is based on the wrapping method. The lapping method is a method of attaching a film on which a specific image or character is expressed to the exterior of a vehicle. However, vehicle wrapping is poor in durability, so that the periphery of the film may be peeled off within a year or two, and the appearance may be messy. Can be.

The present invention provides a vehicle exterior image printing apparatus capable of printing a specific image or text by spraying paint on the vehicle exterior without manual labor.

Another object of the present invention is to provide a vehicle exterior image printing apparatus capable of printing a basic image of a vehicle exterior surface and printing a specific image or text.

The present invention is a frame erected in a direction perpendicular to the floor around one side of the vehicle module base coupled to the frame to be movable up and down, and a plurality of colors of paint, coupled to the module base to be movable in a horizontal direction A paint spraying module having a paint spraying package for spraying, and a controller for controlling the paint spraying module to display an image ordered by a customer on an outer surface of the vehicle, wherein the controller is an image corresponding to the image ordered by the customer An image file import unit for importing an image file, a pattern recognition unit for recognizing color information of each pixel of the imported image file, and a position for generating information for controlling the position of the paint spray package A control information generating unit, paint spraying timing of the paint spraying package, and minutes An injection control information generation unit for generating information for controlling the color and the injection amount of the paint to be used; and color information of each pixel, position control information of the paint injection package, and injection control information of the paint to the paint injection module. A vehicle exterior image printing apparatus having an information transmitting unit for transmitting is provided.

The paint spray package can be configured to spray paint of cyan, magenta, yellow, and white colors.

The paint spray package may include a spray unit including a nozzle for spraying paint toward the outer surface of the vehicle at high speed, and a piezoelectric element for pressing the paint toward the nozzle.

The means for moving the module base in the vertical direction and the means for moving the paint spray package in the horizontal direction may each include a pinion rotated by a motor drive and a rack engaged with the pinion.

The setting image may include a basic color image of the vehicle exterior and an image desired by the customer.

According to the vehicle exterior image printing apparatus of the present invention, an image stored as an image file can be expressed as it is on the vehicle exterior surface by automatic paint spraying. Therefore, it is possible to feel naturally without any discomfort than to express an image on the outer surface of the vehicle by wrapping, and durability is also improved.

In addition, by painting the basic color of the vehicle exterior, and at the same time can be painted to the image desired by the customer, the image desired by the customer is not easily peeled off, the durability is excellent.

1 is a front view schematically showing a vehicle exterior image printing apparatus according to an embodiment of the present invention.
FIG. 2 is an enlarged front view of the paint spray module of FIG. 1.
3 is a cross-sectional view illustrating a spray unit included in a paint spray module.
4 is a diagram illustrating a configuration of the controller of FIG. 1.
FIG. 5 is a diagram for describing a function of the pattern recognition unit of FIG. 4.

Hereinafter, a vehicle exterior printing apparatus according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view schematically showing a vehicle exterior image printing apparatus according to an exemplary embodiment of the present invention, and FIG. 2 is an enlarged front view of the paint spray module of FIG. 1. The vehicle exterior image printing apparatus 10 illustrated in FIGS. 1 and 2 is a device for drawing an image or text ordered by a customer on an outer surface of an electrodeposition-coated vehicle by a paint spray method.

1 to 3, the vehicle exterior image printing apparatus 10 is coupled to the frame 11 and the frame 11 erected in a direction perpendicular to the floor around one side of the assembled vehicle 5. The paint spray module 20 and a controller 60 for controlling the paint spray module 20 so that the image ordered by the customer can be displayed on the outer surface of the vehicle 5. The controller 60 may be a personal computer on which the software for controlling the paint spray module 20 is installed. The controller 60 may be connected to the paint spray module 20 through a LAN line or a serial communication line.

The frame 11 supports first and second ends of the upper base 12 and the lower base 13 spaced apart from each other, and extends in the vertical direction while supporting both ends of the upper base 12 and the lower base 13. 14 and a second vertical rack 15 are provided. Gear teeth are formed in the first and second vertical racks 14 and 15. A pair of columns 17 extending in the vertical direction are interposed between the first and second vertical racks 14 and 15 to support the upper and lower bases 12 and 13.

The paint spray module 20 includes a module base 21 movably coupled to the pair of columns 17 in a vertical direction, and a paint spray package 30 movably coupled to the module base 21 in a horizontal direction. ). At both ends of the module base 21, first and second vertical pinions 24 and 26 are engaged with the first and second vertical racks 14 and 15. The first vertical movement pinion 24 is axially coupled to the shaft 23 of the first vertical movement servo motor, and the second vertical movement pinion 26 is coupled to the shaft 25 of the second vertical movement servo motor. It is axially coupled. The first and second vertical moving servo motors are fixed to the module base 21. When the shafts 23 and 25 rotate in opposite directions at the same rotational speed, the first and second vertical moving pinions 24 and 26 rotate and rise along the first and second vertical racks 14 and 15. Alternatively, the paint spray module 20 is raised or lowered by falling.

The paint spray module 20 has a first horizontal rack 28 and a second horizontal rack 29 above and below the module base 21. Gear teeth are formed in the first and second horizontal racks 28 and 29. The paint spray package 30 has four spray units 40C and 40M respectively spraying cyan, magenta, yellow, and white colors of paint into the package housing 31. , 40Y, 40W). The first horizontal moving pinion 34 and the second horizontal moving pinion 36 meshed with the first and second horizontal racks 28 and 29 are provided at the vertical ends of the package housing 31. The first horizontal moving pinion 34 is axially coupled to the shaft 33 of the first horizontal moving servo motor, and the second horizontal moving pinion 36 is connected to the shaft 35 of the second horizontal moving servo motor. It is axially coupled. The first and second horizontal moving servo motors are fixed to the package housing 31. As the shafts 33 and 35 rotate in opposite directions at the same rotational speed, the first and second horizontal moving pinions 34 and 36 rotate and advance along the first and second horizontal racks 28 and 29. Or backward, the paint spray package 30 is advanced or reversed in the horizontal direction.

At a position higher than the frame 11, containers 57C, 57M, 57Y, and 57W, which contain cyan (C), magenta (M), yellow (Y), and white (W) color paints, respectively, are accommodated. Paint in 57C, 57M, 57Y, 57W is supplied to corresponding spray units 40C, 40M, 40Y, 40W by tubes 55C, 55M, 55Y, 55W.

3 is a cross-sectional view of the spray unit, in which all spray units 40C, 40M, 40Y, 40W of the paint spray package 30 have the same mechanical configuration. Referring to FIG. 3, the spray units 40C, 40M, 40Y, and 40W are provided with a paint container 42 inside the unit housing 41, and the vehicle 5 (FIG. 1) is provided from the paint container 42. And a nozzle 44 extending to the outer surface. Inside the unit housing 41 there is an introduction channel 50 which guides the paint spilled through the tubes 55C, 55M, 55Y, 55W into the paint receiver 42 in the containers 57C, 57M, 57Y, 57W. And first and second connection channels 51 and 52 are formed. The end of the introduction channel 50 is connected to the ends of the tubes 55C, 55M, 55Y, 55W, and the ends of the first connecting channel 51 and the second connecting channel 52 are connected to the paint receiver 42. do. A ball-type plunger 48 is rotatably installed at the connection portion between the introduction channel 50 and the first and second connection channels 51 and 52.

A piezoelectric element 46 is provided opposite the nozzle 44 of the paint receiving portion 42. The piezoelectric element 46 is an element that generates electric energy when a pressure is applied, and conversely, when the electric energy is applied, the piezoelectric element 46 vibrates at a specific frequency. When a negative pressure is formed in the paint receiving portion 42 due to the vibration of the piezoelectric element 46, the plunger 48 moves to the first connecting channel 51 to move the introduction channel 50 and the second connecting channel 52. ) Is opened and paint is supplied to the paint receiving portion 42 along the path of the tubes 55C, 55M, 55Y, 55W, the introduction channel 50, and the second connecting channel 52.

On the contrary, when positive (+) pressure is formed in the paint accommodating portion 42 due to the vibration of the piezoelectric element 46, the plunger 48 moves to the introduction channel 50 to block the introduction channel 50. Accordingly, the paint in the pressurized paint container 42 is sprayed out of the spray units 40C, 40M, 40Y, and 40W through the nozzle 44.

That is, when the piezoelectric element vibrates, the paint is alternately supplied to the paint receiving portion 42 and the paint is sprayed outward through the nozzle to the outside to be painted. .

Cyan (C), magenta (M), yellow (Y), and white (W) color can be expressed by adjusting the spray amount of the paint, it is also possible to express a black (K) color. In addition, the contrast may be expressed by adjusting the injection amount of the white (W) color. On the other hand, although not shown in Figure 1, if a specific color (e.g. black (K)) other than cyan (C), magenta (M), yellow (Y), and white (W) color is used a lot in the image representation, A specific color paint container and spray unit may be further provided. In addition, a paint container and an injection unit may be provided to spray a plurality of color paints other than cyan (C), magenta (M), yellow (Y), and white (W) colors.

As a result, the basic color of the exterior of the vehicle is painted, and the specific design desired by the customer may be painted.

4 is a diagram illustrating a configuration of the controller 60 of FIG. 1, and FIG. 5 is a diagram for describing a function of the pattern recognition unit of FIG. 4. Referring to FIG. 4, the controller 60 includes units that perform specific functions. Here, the controller 60 may be a personal computer, and the units constituting the controller 60 may be implemented by functions that may be performed by software for controlling the paint spray module 20 installed in the personal computer. .

The controller 60 includes an image file import unit 61 for importing an image file corresponding to an image (CIF) (see FIG. 5) ordered by a customer, and the color of each pixel of the imported image file. The pattern recognition unit 62 for recognizing the information, the position control information generation unit 65 for generating information for controlling the position of the paint spray package 30 (see FIG. 1), and the paint of the paint spray package 30. An injection control information generation unit 66 for generating information for controlling the injection timing and the color and the injection amount of the sprayed paint, color information of each pixel, position control information of the paint spraying package 30, and spray control of the paint And an information transmission unit 68 for transmitting information to the paint spray module 20.

Referring to FIG. 5, the image file CIF may be, for example, a JPG, GIF, or PCX file, and the image file CIF may be displayed on the controller 60, that is, the monitor of the personal computer through the import of the image file. do. The pattern recognition unit 62 divides the image file CIF into a plurality of pixel units, for example, 1024 * 768 pixels, and recognizes color information of each pixel. For example, one pixel that is enlarged and represented in the image file CIF of FIG. 5 may be assigned location information of coordinate values 800 and 677, and color information of the pixel may be cyan (C) 255, magenta ( M) 20, yellow (Y) 40, and white (W) 50 can be recognized.

Referring again to FIG. 4, the controller 60 includes a pattern storage unit 63 that stores position information and color information of each pixel identified by the function of the pattern recognition unit 62, and position information of the pixels stored in this manner. A pattern retrieving unit 64 for retrieving color information is further provided. In addition, the controller 60 performs a function of moving the paint spray package 30 (see FIG. 1) to an initial position when the image printing job is completed or the printing does not proceed smoothly due to an error during printing. A position initialization unit 68 is further provided.

When an image print command is input to the controller 60, the paint spraying package 30 (see FIG. 1) generated by the position control information generating unit 65, more specifically, the spraying units 40C, 40M, 40Y, 40W. Is transmitted to the paint spray module 20 by the information transmitting unit 68, and the first and second vertical moving servomotors and the first and second horizontal moving servomotors are driven to correspond to each pixel. The injection units 40C, 40M, 40Y, and 40W move to one position on the outer surface of the vehicle. Subsequently, information for adjusting the paint spraying, generated by the spraying control information generating unit 66, is transmitted by the information transmitting unit 68 to the piezoelectric element 46 (FIG. 3) of the spraying units 40C, 40M, 40Y, 40W. A proper amount of paint is sprayed through the nozzle 44. When the operation is continuously performed and the image ordered by the customer is printed on the outer surface of the vehicle 5, the paint spray package 30 is moved to the initial position by the function of the position initialization unit 69.

The vehicle exterior image printing apparatus may be applied in a painting process of an automobile production plant. The coating process in automobile production largely includes an electrodeposition process, an intermediate process, and a top coat process. After the electrodeposition process is completed, the set image may be painted using the vehicle exterior image printing apparatus in the middle process and / or the top coat process.

Accordingly, the image desired by the customer may be painted with the vehicle exterior image printing apparatus together with the basic color image of the vehicle exterior. Alternatively, after painting the base color image, you can paint the image you want on the vehicle.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

10: vehicle exterior image printing apparatus 11: frame
20: paint spraying module 30: paint spraying package
40C, 40M, 40Y, 40W: Injection unit 44: Nozzle
46: piezoelectric element 60: controller

Claims (5)

Frame erected in a direction perpendicular to the floor around one side of the vehicle
A paint spray module having a module base coupled to the frame so as to be movable upward and downward, and a paint spray package to spray paint of a plurality of colors coupled to the module base so as to be horizontally movable; And,
And a controller configured to control the paint spray module to display a set image on an outer surface of the vehicle, wherein the controller includes:
An image file import unit for importing an image file corresponding to the set image, a pattern recognition unit for recognizing color information of each pixel of the loaded image file, and a position of the paint spray package A position control information generation unit for generating control information, an injection control information generation unit for generating information for controlling the paint spraying timing of the paint spraying package and the color and amount of sprayed paint, the color information of each pixel, And an information transmission unit for transmitting the position control information of the paint spray package and the spray control information of the paint to the paint spray module. The method according to claim 1,
And the paint spray package is configured to spray paint of cyan, magenta, and yellow and white colors. The method according to claim 1,
The paint spray package includes a spray unit including a nozzle for spraying paint toward the outer surface of the vehicle at a high speed, and a piezoelectric element for repeating pressurization and depressurization of paint to the nozzle side. Vehicle exterior image printing apparatus. The method according to claim 1,
Means for moving the module base in the up and down direction, and means for moving the paint spray package in the horizontal direction, respectively, the pinion rotated by the motor drive and the rack is engaged with the pinion image printer. The method according to claim 1,
The setting image may include a basic color image of an exterior of a vehicle and an image desired by a customer.
KR1020110063870A 2011-06-29 2011-06-29 Apparatus for printing image on outside surface of vehicle KR20130002727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110063870A KR20130002727A (en) 2011-06-29 2011-06-29 Apparatus for printing image on outside surface of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110063870A KR20130002727A (en) 2011-06-29 2011-06-29 Apparatus for printing image on outside surface of vehicle

Publications (1)

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KR20130002727A true KR20130002727A (en) 2013-01-08

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KR1020110063870A KR20130002727A (en) 2011-06-29 2011-06-29 Apparatus for printing image on outside surface of vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112945264A (en) * 2021-01-27 2021-06-11 中国铁建电气化局集团有限公司 Portable intelligent measurement trolley with stroke recording function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112945264A (en) * 2021-01-27 2021-06-11 中国铁建电气化局集团有限公司 Portable intelligent measurement trolley with stroke recording function
CN112945264B (en) * 2021-01-27 2024-02-27 中国铁建电气化局集团有限公司 Portable intelligent measurement dolly that possesses travel record function

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