JP4230811B2 - Method for transporting paint cartridges used in systems for painting - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for transporting a paint cartridge used in a paint system, and more particularly, in a paint system that supplies paint to a paint apparatus using a paint cartridge, the paint cartridge is removed from a paint filling area by air pressure. The present invention relates to a method for transporting a paint cartridge used in a paint system, wherein the paint cartridge is transported to a paint area or from a paint area to a paint filling area.
[0002]
[Prior art]
Conventionally, when painting an object to be coated (hereinafter referred to as “work”), a spray gun is provided, and a coating device for spraying paint toward the work by the spray gun, and the paint is supplied to the spray gun. A paint system having a paint supply means is used. Among these, the paint supply means is provided with a paint tank, and the paint tank and the painting apparatus are connected by a pipeline. The method of supplying a coating material to a coating device via is adopted.
[0003]
However, in such a paint supply method using a pipeline, when there are many types of paint, the number of pipelines increases, and a large space is required for pipeline installation. There is a problem that the installation work becomes complicated.
[0004]
In particular, in recent years, the number of high-mix, low-volume production works has increased, and the color of paint used for painting tends to differ from one product to another, and therefore the amount of paint used for painting has been reduced. In addition, in the method of supplying paint using a pipeline, there are problems that the cost for constructing the coating system increases and the waste of paint increases.
[0005]
In this regard, in the past, a paint method that uses a paint cartridge that can be attached to and detached from the painting apparatus, and that has a paint filling apparatus for filling the paint cartridge with the paint cartridge so that the paint cartridge can be replaced by the cartridge gripping means. According to this method, it is possible to reduce the waste of paint as compared with the paint supply method using a pipeline, and eliminate the work for installing the pipeline. There is an advantage that can be.
[0006]
[Patent Document 1]
JP 2000-176333 A (FIG. 1)
[0007]
[Problems to be solved by the invention]
However, in the method of replacing the paint cartridge by the cartridge gripping means as described above, the coating apparatus and the paint filling apparatus must be arranged in the vicinity of the coating apparatus, at least within the operation range of the cartridge gripping means. When the number of types of paint increases and the paint filling apparatus increases in size for that reason, there is a problem that the paint area inevitably increases in size.
[0008]
In particular, in order to respond to the diversification and individualization of needs in recent years, as an ultimate form of high-mix low-volume production, a method of painting with different colors for each product has begun to be desired. The problem is that the number of types of paint becomes enormous, and the paint area becomes infinitely large as the paint filling device becomes larger, requiring a large space for the paint system. A point is considered.
[0009]
Accordingly, an object of the present invention is to provide a paint supply method used in a system for painting, which can quickly supply a paint cartridge regardless of the size of the paint area even when the number of kinds of paint increases. Yes.
[0010]
[Means for Solving the Problems]
  Used in the system for painting of the present inventionThe paint cartridge transport method isPaint is filled in a painting system comprising a painting area provided with a painting device, a paint cartridge for supplying paint to the painting device, and a paint filling area for filling the paint cartridge with a desired paint. A paint cartridge transport method for supplying a used paint cartridge from a paint filling area to a paint area or returning a used paint cartridge from a paint area to a paint filling area,
  Place the cartridge transport path between the paint area and the paint filling area.
  The paint cartridge is
While having a syringe part filled with paint and a head part formed integrally with the syringe part,
The syringe part has a substantially cylindrical shape as a whole, and a paint discharge port projects from the tip part. A piston is movably inserted in the inside of the syringe part, and the paint in the syringe part is moved by moving the piston. It is possible to discharge from the paint discharge port,
The head part is integrally formed with the syringe part in an arrangement around the paint discharge port, and is opened at an arbitrary position of the tip end part of the paint discharge port, and the other end part is external at the side part. An air supply path is formed in the opening, and air is supplied to the periphery of the paint discharge port through the air supply path, so that the paint discharged from the paint discharge port is atomized and the atomized paint Is a paint cartridge that can be sprayed toward the tip,
  After the paint cartridge (7) is accommodated in the cartridge transport path (20), air is supplied into the cartridge transport path (20), and the paint cartridge (7) is moved by the pressure of the supplied air. From paint filling area (17) to painting area (2) orFrom paint area (2) to paint filling area (17)It is characterized by being conveyed.
[0011]
In the method of transporting a paint cartridge used in the coating system of the present invention, in a coating system that supplies paint to a coating apparatus using a paint cartridge, a cartridge transport path is installed between the paint area and the paint filling area, and this cartridge transport is performed. After the paint cartridge is accommodated in the road, the paint cartridge is transported to a desired place using the pressure of air.
[0012]
Therefore, unlike the method of supplying paint using a pipeline, even if the number of types of paint increases, the cost of constructing the paint system does not increase, and the paint area and paint filling area are separated from each other. Therefore, even when the number of types of paint to be used becomes enormous, it is not necessary to enlarge the paint area, and it is possible to install a space-saving paint area.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
In the method for transporting the paint cartridge used in the coating system of the present invention,
In a painting system comprising a painting area provided with a painting device, a paint cartridge for supplying paint to the painting device, and a paint filling area for filling the paint cartridge with a desired paint, first, the painting A cartridge conveyance path that is hollow and capable of supplying air to the inside is disposed between the area and the paint filling area.
[0014]
  And after accommodating the paint cartridge in the cartridge transport path, air is supplied into the cartridge transport path, and by the pressure of the supplied air, the paint cartridge is moved from the paint filling area to the paint area, orTransport from the paint area to the paint filling area,As a result, the paint cartridge can be conveyed.
[0015]
Here, the paint area or the paint filling area may be installed at a plurality of locations, or the paint area and the paint filling area may be installed at a plurality of locations. In other words, when a large space for installing the paint filling area cannot be secured, the paint filling area is divided into a plurality of places, and when it is desired to apply products with different paint colors at the same time. In this case, it is preferable to install a plurality of painting areas. This makes it possible to freely construct a painting system according to the space that can be secured and according to the production plan.
[0016]
  In addition, as a paint cartridge used in the present invention,A paint cartridge provided with an integral spray gun may be used. Specifically, it includes a syringe part filled with paint and a head part formed integrally with the syringe part, and the syringe part has a substantially cylindrical shape as a whole and a paint discharge port at the tip part. And a piston is movably inserted therein, and the piston can be moved so that the paint in the syringe portion can be discharged from the paint discharge port, and the head portion is provided around the paint discharge port. In such an arrangement, an air supply path is formed integrally with the syringe part, opened at an arbitrary position of the tip part of the paint discharge port and the other end part opened to the outside at the side part, A paint cart that atomizes the paint discharged from the paint discharge port and sprays the atomized paint in the tip direction by supplying air around the paint discharge port through the air supply path Tsu may be used di.
[0017]
【Example】
An embodiment of a method for transporting a paint cartridge (hereinafter referred to as “paint cartridge transport method”) used in the coating system of the present invention will be described with reference to the drawings. FIG. 1 illustrates the method for transporting a paint cartridge according to the present embodiment. FIG. 1 shows the entire coating system 1 that can implement the cartridge transport method of this embodiment. The painting system 1 includes a painting area for painting a workpiece, a paint cartridge for supplying paint to the paint area, a paint filling area for filling the paint cartridge with the paint, A cartridge transport path for transporting the paint cartridge disposed between the paint area and the paint filling area is provided.
[0018]
That is, in the drawing, reference numeral 2 denotes a painting area, and this painting area 2 is provided with a painting booth 3 constituting the painting area 2. Inside the painting booth 3, there is a moving rail 4 and this movement. A robot arm 5 movably mounted on the rail 4 and a spray gun 6 provided at the tip of the robot arm 5 are provided. Further, the spray gun 6 is supplied to the spray gun 6. An air supply means (not shown) for supplying air for atomizing and spraying the paint is connected, and a coating apparatus is constituted by these elements. However, in this invention, it is not necessarily limited to the coating apparatus of such a structure, Any coating apparatus may be used if it is a coating apparatus which can inject a coating material toward a workpiece | work. Therefore, in addition to the robot arm that is movably provided in the painting booth, the painting apparatus may be configured by a fixed or movable painting robot.
[0021]
Next, in the figure, 17 is a paint filling area for filling the paint cartridge 7 with paint, and this paint filling area 17 is an area for filling the paint cartridge 7 with a desired paint. .
[0022]
That is, the paint filling area 17 is provided with a plurality of paint tanks 18a to 18e, and paints of different colors and types are stored in the paint tanks 18a to 18e.
[0023]
In the paint filling area 17, paint filling means 19 such as a pump for filling the paint cartridges 7a to 7e with the paint in the paint tanks 18a to 18e is connected to the paint tanks 18a to 18e. The paint filling means 19 can fill the paint cartridges 7a to 7e with a desired paint.
[0024]
Next, in the figure, reference numeral 20 denotes a cartridge transport path for transporting the paint cartridge. In the paint cartridge transport method in this embodiment, the cartridge transport path 20 is provided between the paint area 2 and the paint filling area 17. The coating material cartridge 7 can be transported through the cartridge transport path 20.
[0025]
Here, the cartridge transport path 6 will be described. In this embodiment, the cartridge transport path 20a for supplying the cartridge for transporting the paint cartridge 7 filled with the paint to the paint area 2, and the used paint cartridge. The cartridge transport path 20b for returning the cartridge to the paint filling area 17 is provided, and each of the cartridge transport paths 20 has a hollow pipe shape.
[0026]
In the cartridge transport path 20a for supplying the cartridge, an air supply means 21a such as an air pump used for supplying air into the cartridge transport path 20a is connected in the vicinity of the end on the paint filling area 17 side. In the vicinity of the other end, an air receiving means 22a for receiving the air supplied into the cartridge transport path 20a is connected.
[0027]
Further, in the paint cartridge transport path 20b for returning the cartridge, an air supply means 21b such as an air pump used for supplying air into the cartridge transport path 20b is connected in the vicinity of the end on the coating area 2 side, Near the other end, an air receiving means 22b for receiving the air supplied into the cartridge transport path 20b is connected.
[0028]
In the figure, reference numeral 23 denotes a storage door used for storing the paint cartridge 7 in the cartridge transport path 20 or taking out the paint cartridge 7 in the cartridge transport path 20. The paint cartridge 7 is accommodated in the transport path 20 or the paint cartridge 7 can be taken out into the cartridge transport path 20.
[0029]
With this configuration, when the paint cartridge 7 filled with paint is transported to the paint area 2, after the paint cartridge 7 is stored in the cartridge transport path 20a for supplying the cartridge, air is supplied by the air supply means 21a. On the other hand, when returning the used paint cartridge 7 to the paint filling area 17, the air is supplied by the air supply means 21b after the paint cartridge 7 is accommodated in the cartridge transport path 20b for returning the cartridge. Then, the paint cartridge 17 can be transported from the paint filling area 17 to the painting area 2 or from the painting area 2 to the paint filling area 17 by the pressure of the supplied air.
[0030]
In this way, in the paint cartridge transport method of this embodiment, the cartridge transport path is installed between the paint area and the paint filling area, and the paint cartridge can be transported by the air pressure. Unlike the method of replacing the paint cartridge by the cartridge gripping means, it is not necessary to enlarge the paint area even when the number of kinds of paint increases, so It is possible to always install a painting area of a certain size without being affected by the type. Further, unlike the case of using a pipeline, there is no need to increase the number of cartridge conveyance paths according to the type of paint, and the installation cost of the coating system does not increase.
[0031]
In this embodiment, the cartridge transport path 20 and the air supply means, etc., have the same functions as those of air shooters conventionally used for moving mails, documents, etc. in buildings. Since the structure, function, etc. are the same as those of the air shooter, detailed description is omitted.
[0032]
Next, the operation of the paint cartridge conveying method of the present embodiment configured as described above will be described. First, the paint cartridge 7 is filled with a desired paint in the paint filling area 17, and then the paint cartridge 7 is filled. Is put in the cartridge conveyance path 20 after being plugged so that the filled paint does not leak out. Thereafter, air is supplied to the cartridge conveyance path 20 and air pressure is applied to the accommodated paint cartridge 7.
[0033]
Then, the paint cartridge 7 in the cartridge transport path 20 is moved by the air pressure, so that the paint cartridge 7 can be transported to the painting area 2. Then, it is only necessary to remove the paint cartridge 7 from the cartridge transport path 20 and attach it to the syringe 8.
[0034]
Further, after the painting is completed, the paint cartridge 7 is removed from the syringe, and the used paint cartridge 7 is transported to the paint filling area 17 in the same manner as described above, and then the used paint cartridge 7 is transferred to the used paint cartridge 7. What is necessary is just to fill with paint again.
[0035]
  Here, the paint cartridge used in the paint transport method of the present embodiment will be described.In this embodiment, as the paint cartridge, a paint cartridge integrally provided with a spray gun is used. Before explaining the paint cartridge, a general paint cartridge will be described with reference to FIG.In the figure, 7 is a paint cartridge, and 8 is a syringe provided in the paint booth 3 and connected to the spray gun 6 via a paint hose 13 and detachably connected to the paint cartridge 7.
[0036]
The paint cartridge 7 includes a cartridge main body 701 filled with a paint. A paint discharge port 702 is formed at the lower end of the cartridge main body 701, and the inside of the cartridge main body 701 is formed through the paint discharge port 702. The paint can be released.
[0037]
The cartridge body 701 is provided with a paint supply valve body 703 in an arrangement capable of closing the paint discharge port 702, and the paint supply valve body 703 is a spring supported by the mounting member 704. The coating member discharge port 702 is urged in the direction of closing the coating material discharge port 702 by an elastic member 705 such as the like. Therefore, in a normal state, the paint discharge port 702 is closed by the paint supply valve body 703, while the paint supply valve body 703 is pressed into the cartridge body 701 against the elastic force of the elastic member 705. The paint discharge port 702 can be opened.
[0038]
In the figure, the paint cartridge 7 has a hermetically sealed structure, but instead of the hermetically sealed structure, a paint supply port or the like may be provided so that the paint can be filled through the paint supply port or the like.
[0039]
  Next, the syringe 8 to which the paint cartridge 7 is detachably connected will be described. The syringe 8 is connected to the syringe body 9 for supplying paint to the spray gun 6 and the syringe body 9. And a paint supply unit 11.
[0040]
The syringe body 9 is formed in a cylindrical shape, and is provided with an upper wall 902 provided with a paint receiving port 901 at the top, and a piston 10 is movably inserted therein. A space between the piston 10 and the upper wall 902 is a paint filling chamber 903.
[0041]
Further, the piston 10 has a paint channel 1001 having both ends opened in the piston 10, one end of the piston 10 communicates with the paint filling chamber 903, and the other end has an opening, The other end of the paint supply hose 13 to which the spray gun 6 is connected is connected to the tip.
[0042]
  As shown in FIG. 1, a movable plate 14 is connected to the piston 10 and a screw screw 15 is screwed to the movable plate 14. Further, the screw screw 15 is connected to a motor 16. A mechanism is employed in which the movable plate 14 is moved forward or backward along the screw screw 15 along with the rotation of the screw screw 15 by forward or reverse rotation, and the piston 10 is moved accordingly.
[0043]
Next, the paint supply unit 11 includes a main body part 1101 and a nozzle part 1102 connected to the upper side of the main body part 1101, and a paint flow channel 1103 is formed therein. The front end of the paint channel 1103 is opened near the front end of the nozzle part 1102, and the other end communicates with the paint receiving port 901 of the syringe body 9.
[0044]
Further, a check valve 1105 is provided at an arbitrary position of the paint flow path 1103 so as to close the paint flow path 1103. By the action of the check valve 1105, the supply of paint and Prevents backflow of paint.
[0045]
That is, the check valve 1105 has a base end portion in a valve insertion path 1104 having a tip portion communicating with an arbitrary portion of the paint flow passage 1103 and a base end portion opened to the outside of the paint supply portion 11. Is inserted movably in a state of extending from the opening to the outside, and a valve driving unit 1106 is mounted on the opening so as to accommodate the base end of the check valve 1105. The valve drive unit 1106 includes an air suction port 1108 and supports the check valve 1105 so as to be biased toward the valve insertion path 1104 by a spring 1107. Therefore, in a normal state, the check valve 1105 is positioned on the insertion side by the urging force of the spring 1107 and closes the paint flow path 1103 at an arbitrary position, while receiving air from the air suction port 1108. The check valve 1105 moves in the anti-insertion direction, so that the paint can be supplied to the syringe body 9.
[0046]
In such a configuration, the paint cartridge 7 is connected to the paint supply part 11 such that the tip of the nozzle part 1102 in the paint supply part 11 is inserted into the paint discharge port 702 of the paint cartridge 7. The coating material supply valve body 703 in the coating material cartridge 7 is pressed into the cartridge body 701 by the tip of the nozzle portion 1102, thereby opening the coating material discharge port 702 and passing through the coating material discharge port 702, The paint flows into the paint supply unit 11.
[0047]
Further, in this state, when air is injected into the valve drive unit 1106 from the air suction port 1108, the check valve 1105 moves in the anti-insertion direction against the urging force of the spring 1107 due to the air pressure, and the check valve The blockage of the paint flow path 1103 by 1105 is released, and the paint is filled into the paint filling chamber 903 of the syringe body 9.
[0048]
Then, after filling the paint filling chamber 903 with the paint, the air in the valve drive unit 1106 is released, and the check valve 1105 is used to close an arbitrary portion of the paint flow path 1103 and the mechanism is used. When the piston 10 is moved to the paint cartridge 7 side, the paint in the paint filling chamber 403 passes through the paint channel 1001 formed in the piston 5 and further through the paint hose 13 connected to the paint channel 1001. , Supplied to the spray gun 6. Further, by supplying air to the spray gun 6 in this state, the paint can be sprayed toward the work while being atomized.
[0049]
On the other hand, when replacing the paint, the paint cartridge 7 is removed, and after the container filled with the cleaning liquid is connected to the syringe 8, the cleaning liquid is supplied to the spray gun in the same manner as described above. After washing the syringe 8, the paint channel 1001, the paint hose 13 and the like, the paint cartridge 7 containing other paint is connected to the paint supply unit 11, and then a new paint is sprayed in the same manner as described above. Supply to gun.
[0051]
  next3 to 5Referring to FIG. 3, the paint cartridge in this embodiment will be described.It is a figure for demonstrating the coating material cartridge 31, bookIn the examplesThe paint cartridge 31 is a paint cartridge integrally provided with a spray gun.
[0052]
  That is, FIG.In the examplesFIG. 4 is a cross-sectional view for explaining the structure of the paint cartridge 31, and FIG. 4 is an enlarged view of the paint cartridge 31 of this embodiment viewed from the direction A in FIG. 3, and FIG. It is a figure for demonstrating the drive mechanism of the paint cartridge 31 of this form,In the examplesIn the paint cartridge 31, a syringe part 32 that is filled with paint and a head part that is integrally formed with the syringe part 32 so as to be disposed around a paint discharge port 34 that projects from the tip of the syringe part 32. 33 is provided.
[0053]
The syringe part 32 has a substantially cylindrical shape as a whole, and a piston 35 is movably inserted therein, and the piston 35 moves to displace the paint in the syringe part 32 as a paint discharge port. 34 can be discharged.
[0054]
On the other hand, the head portion 33 is formed with air supply passages 3304 and 3305 which are opened at an arbitrary portion of the tip end portion of the paint discharge port 34 and the other end portion is opened to the outside at the side portion of the head portion 33. By supplying air around the paint discharge port 34 via the air supply passages 3304 and 3305, the paint discharged from the paint discharge port 34 is atomized, and the atomized paint is applied to the paint cartridge. It is possible to inject in the direction of 31 tip.
[0055]
When the paint cartridge 5 configured as described above is used, it is attached to the tip of the robot arm 5 and a movable plate 38 is connected to a piston rod 37 connected to the piston 35 as shown in FIG. Then, a screw screw 39 is screwed onto the movable plate 38, the screw screw 39 is connected to a motor 40, and the motor 10 is rotated forward or reverse, whereby the movable plate 8 is moved along with the rotation of the screw screw 9. The piston rod 7 is moved forward along the screw screw 9, and the piston rod 7 is moved along the syringe screw 2, and an air supply means (not shown) is connected to the air supply paths 3304 and 3305.
[0056]
In this state, the piston 35 is moved to discharge the paint from the paint discharge port 34 and to inject air from the air supply paths 3304 and 3305.
[0057]
As a result, the discharged paint is sprayed while being atomized into a shape as shown in 41 of FIG. 4 by air, thereby enabling the workpiece to be painted.
[0058]
In the above-described embodiment, the case where the two paint transport paths are provided has been described, but the paint cartridge transport path for supplying the cartridge and the paint cartridge transport path for returning the cartridge may be shared. In that case, an air supply means having an air receiving function may be connected in the vicinity of both ends.
[0059]
In addition, either the paint area or the paint filling area may be installed at multiple places, or the paint area and the paint filling area may be installed at multiple places, thereby constructing a painting system according to the space that can be secured. be able to.
[0060]
For example, if there is little space for installing the paint filling area and it is impossible to arrange all the paints with different colors etc. in one place, the paint filling area may be divided into multiple places, If you want to paint different products at the same time, you should install multiple painting areas.
[0061]
【The invention's effect】
The coating material cartridge transport method of the present invention is carried out in the form described above, and has the following effects.
[0062]
  The paint supply method used in the system for painting of the present invention includes a paint area provided with a paint device, a paint cartridge for supplying paint to the paint device, and a method for filling the paint cartridge with a desired paint. In a coating system including a paint filling area, a method of transporting a paint cartridge for supplying a paint cartridge filled with paint from the paint filling area to the paint area or returning a used paint cartridge from the paint area to the paint filling area The paint cartridge transport path is disposed between the paint area and the paint filling area, and after the paint cartridge is accommodated in the paint cartridge transport path, air is supplied into the paint cartridge transport path. The paint cartridge is removed from the paint filling area by the pressure of the air To instrumentation area, orFrom paint area to paint filling areaIt is characterized by being conveyed.
[0063]
Thus, in the method for transporting the paint cartridge used in the coating system of the present invention, after the paint cartridge transport path is installed between the paint area and the paint filling area, and the paint cartridge is accommodated in the paint cartridge transport path, Used because the paint cartridge is transported to the desired place using the pressure of air, so the paint area and paint filling area can be installed in different places Even when the number of types of paint becomes enormous, it is not necessary to enlarge the coating area, and it is possible to install a space-saving coating area.
[Brief description of the drawings]
FIG. 1 is a diagram showing an entire coating system used for carrying out an embodiment of a paint cartridge conveying method of the present invention.
[Fig. 2]generalIt is a figure for demonstrating a coating material cartridge.
FIG. 3 is a view for explaining a paint cartridge used in an embodiment of the paint cartridge conveying method of the present invention.
FIG. 4 is a view for explaining a paint cartridge used in an embodiment of the paint cartridge conveying method of the present invention.
FIG. 5 is a view for explaining a paint cartridge used in an embodiment of the paint cartridge conveying method of the present invention.
[Explanation of symbols]
        1 Coating system
        2 Paint area
        3 Painting booth
        4 Moving rail
        5 Robot arm
        6 Spray gun
        7 Paint cartridge
        8 Syringe
        9 Syringe body
      10 piston
      11 Paint supply section
      13 Paint hose
      14 Movable plate
      15 Screw screw
      16 motor
      17 Paint filling area
      18 Paint tank
      19 Paint filling means
      20 Cartridge transport path
      21 Air supply means
      22 Air receiving means
      23 Storage door in cartridge transport path

Claims (2)

A painting area (2) provided with a painting device, a paint cartridge (7) for supplying paint to the painting device, and a paint filling area (17) for filling the paint cartridge (7) with a desired paint ), A paint cartridge (7) filled with paint is supplied from the paint filling area (17) to the paint area (2), or a used paint cartridge (7) is supplied to the paint area. A method of transporting a paint cartridge for returning from (2) to the paint filling area (17),
A cartridge transport path (20) is arranged between the paint area (2) and the paint filling area (17).
The paint cartridge is
While having a syringe part (32) filled with paint and a head part (33) formed integrally with the syringe part (32),
The syringe part (32) has a substantially cylindrical shape as a whole, and has a paint discharge port (34) protruding from the tip part, and a piston (35) is movably inserted therein, and the piston ( 35) to enable the paint in the syringe part (32) to be discharged from the paint discharge port (34),
The head portion (33) is integrally formed with the syringe portion (32) in an arrangement so as to be provided around the paint discharge port (34), and at an arbitrary position of the tip end portion of the paint discharge port (34). An air supply path (3304, 3305) having an opening and the other end opened to the outside at the side is formed, and around the paint discharge port (34) through the air supply path (3304, 3305). By supplying air, the paint discharged from the paint discharge port (34) is atomized and the atomized paint can be sprayed in the tip direction,
After the paint cartridge (7) is accommodated in the cartridge transport path (20), air is supplied into the cartridge transport path (20), and the paint cartridge (7) is moved by the pressure of the supplied air. A method for transporting a paint cartridge for use in a coating system, comprising transporting from a paint filling area (17) to a paint area (2) or from the paint area (2) to a paint filling area (17) .   The method for conveying a paint cartridge used in a paint system according to claim 1, wherein a plurality of the paint filling areas (17) and / or paint areas (2) are provided.

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