WO2015190209A1 - 塗料循環システム - Google Patents
塗料循環システム Download PDFInfo
- Publication number
- WO2015190209A1 WO2015190209A1 PCT/JP2015/063829 JP2015063829W WO2015190209A1 WO 2015190209 A1 WO2015190209 A1 WO 2015190209A1 JP 2015063829 W JP2015063829 W JP 2015063829W WO 2015190209 A1 WO2015190209 A1 WO 2015190209A1
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- WO
- WIPO (PCT)
- Prior art keywords
- paint
- pressure
- line
- branch line
- circulation system
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7174—Feed mechanisms characterised by the means for feeding the components to the mixer using pistons, plungers or syringes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/02—Maintaining the aggregation state of the mixed materials
- B01F23/023—Preventing sedimentation, conglomeration or agglomeration of solid ingredients during or after mixing by maintaining mixed ingredients in movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—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 paint circulation system that supplies paint from a paint tank to a painting means.
- Patent Document 1 discloses a paint circulation system that circulates this kind of paint.
- Patent Document 1 relates to a fluid circulation system including a main circulation loop and a plurality of drops that branch from the main circulation loop and reach an application device, and the application device side is provided by a station pump attached to the drop. An arrangement for returning the fluid sent to the main circulation loop is disclosed.
- the driving means When the driving means is provided on the coating apparatus side, a configuration for controlling the driving means is also required, so that the apparatus configuration is complicated and it is difficult to sufficiently reduce the cost.
- the conventional paint circulation system has room for improvement from the viewpoint of cost reduction and space saving of the apparatus.
- An object of the present invention is to provide a paint circulation system that can prevent sedimentation of paint efficiently and appropriately, and can realize cost reduction and space saving of an apparatus configuration.
- the present invention is a paint circulation system (for example, a paint circulation system 1 to be described later) for supplying paint from a paint tank (for example, a paint tank 12 to be described later) to a coating means (for example, a coating apparatus 20 to be described later), A loop-shaped main line (for example, a main line 11 described later) to which the paint is supplied from a paint tank, and a branch line (for example, a branch line 15 to be described later) branched from the main line and connected to the coating means.
- a paint circulation system for example, a paint circulation system 1 to be described later
- a coating means for example, a coating apparatus 20 to be described later
- a loop-shaped main line for example, a main line 11 described later
- branch line for example, a branch line 15 to be described later
- a supply pump for example, a supply pump 13 described later for pumping the paint supplied to the main line to the coating means side, and a high pressure at which the pressure of the paint pumped by the supply pump is higher than a predetermined pressure
- the pressure is accumulated by the pressure of the paint, and in the low pressure state where the pressure of the paint is lower than the predetermined pressure, the paint inside the branch line is Pressurizing means for applying a force (for example, a pressurizing device 30 described later), driving the supply pump so that the high pressure state and the low pressure state are generated, and utilizing a pressure difference in the low pressure state
- the present invention relates to a paint circulation system characterized by causing a flow of sending the paint inside the branch line from the painting means side to the main line side to prevent the paint from settling.
- the pressurizing means includes a main body portion (for example, a main body portion 31 described later) having a hollow portion therein, a piston portion (for example, a later-described piston portion 32) sliding inside the main body portion, and the main body portion.
- a storage chamber (for example, a storage chamber 36 to be described later) that is disposed on one side in the axial direction of the piston portion in the interior and communicates with the branch line, and the other axial side of the piston portion in the interior of the main body portion.
- a pressure accumulating chamber for example, a pressure accumulating chamber 37 described later
- a pressure adjusting unit for example, a pressure adjusting valve 33 described later
- the pressure accumulating chamber is maintained at a predetermined pressure by the pressure adjusting unit, it is possible to continue to apply the predetermined pressure to the paint flowing through the branch line via the piston part, and to prevent the settling of the paint.
- Simple configuration because it is configured as a piston type, the required volume of the main body can be set appropriately and easily according to the length of the branch line, etc., so that an appropriate configuration for preventing paint settling in various paint circulation systems Can be easily applied.
- the supply pump is driven so that the pressure inside the main line changes at a predetermined time interval between the high pressure state higher than the predetermined pressure and the low pressure state lower than the predetermined pressure.
- the pressurizing means is preferably connected in communication near the coating means in the branch line.
- the paint circulation system has one end connected to the coating means side of the branch line to which the pressurizing means is connected, and the other end connected to the pressurizing means.
- a bypass line (for example, a bypass line 240 and a bypass line 340, which will be described later) connected to the main line side relative to the portion to be unidirectionally flowed to the coating means side in the branch line, and the bypass One-way valve means (for example, a branch line check valve 241 and a bypass line check valve 242 to be described later) that allow a one-way flow to the main line side in the line, and in the low pressure state It is preferable that a flow of sending the paint from the coating means side to the main line side through the bypass line is generated.
- the position where the pressurizing means communicates with the branch line can be freely set, and the degree of freedom of the device configuration can be improved. it can.
- the part where the paint flows in the branch line can be lengthened when backflow occurs by the pressurizing means, and the sedimentation of the paint is more effective. Can be prevented.
- the one-way valve means it is possible to prevent the paint from flowing into the bypass line when the paint is sent to the painting means side.
- a flow is generated by the pressurizing means, it is possible to prevent a flow from flowing back through the branch line without passing through the bypass line, so that the paint can be reliably returned to the main line side through the bypass line.
- the sedimentation of the paint can be prevented efficiently and appropriately, and the cost and space saving of the apparatus configuration can be realized.
- Drawing 1 is a figure showing roughly paint circulation system 1 of a 1st embodiment. It is a figure which shows schematically the paint circulation system 1 in the state in which the piston part 32 of the pressurization apparatus 30 is pressurizing.
- the “line” in the present specification is a general term for lines capable of flowing a fluid such as a flow path, a path, and a pipeline.
- the paint circulation system 1 includes a main line 11, a paint tank 12, a supply pump 13, a main line pressure sensor 14, a branch line 15, and a branch line pressure sensor 16. And a coating device 20 as a coating means, a pressurizing device 30 as a pressurizing means, and a control device 50.
- the main line 11 is a pipe through which paint flows, and is configured in an annular shape.
- a paint tank 12 In the main line 11, a paint tank 12, a supply pump 13, and a main line pressure sensor 14 are arranged.
- the paint tank 12 is for storing paint, and the paint stored in the paint tank 12 is supplied to the coating apparatus 20 through the main line 11 and the branch line 15. Of the paint supplied from the paint tank 12 to the main line 11, the paint that has not flowed to the branch line 15 is returned to the paint tank 12 through the main line 11 again.
- a metallic paint containing a metallic pigment such as aluminum flakes is stored in the paint tank 12 as an automotive top coat.
- the supply pump 13 is a driving unit that pumps the paint flowing through the main line 11, and is an electric pump that pumps the paint by driving the motor. Pressure is applied to the paint flowing through the main line 11 by the supply pump 13, and it is sent to the coating apparatus 20 side via the branch line 15.
- the supply pump 13 of this embodiment is disposed on the downstream side of the paint tank 12. Further, the supply pump 13 is electrically connected to a control device 50 described later via an inverter 51, and the rotation speed of the motor can be adjusted based on a signal from the control device 50.
- the control device 50 adjusts the flow pressure of the paint flowing inside the main line 11 by controlling the rotation speed via the inverter 51.
- the main line pressure sensor 14 is a measuring unit that measures the flow pressure of the paint inside the main line 11.
- the main line pressure sensor 14 of the present embodiment is disposed on the downstream side of the supply pump 13.
- the main line pressure sensor 14 is connected to the control device 50 so that measurement information can be transmitted by an electrical signal.
- the branch line 15 is a pipe branched from the main line 11 and connected to the coating apparatus 20.
- the branch line 15 of this embodiment branches between the main line pressure sensor 14 and the paint tank 12 in the main line 11. In this way, the branch line 15 has an upstream end connected to the main line 11 and a downstream end connected to the coating apparatus 20.
- a plurality of branch lines 15 branch from the main line 11 in accordance with the number of coating apparatuses 20, and a coating apparatus 20 is connected to each of the branch lines 15.
- the apparatus 20 is illustrated as one unit, and only a part of the branch line 15 is illustrated.
- the branch line pressure sensor 16 is a measuring unit that measures the pressure inside the branch line 15.
- the branch line pressure sensor 16 of the present embodiment is disposed in the vicinity of the connection portion of the branch line 15 with the main line 11.
- the branch line pressure sensor 16 is connected to the control device 50 so as to be able to transmit measurement information by an electrical signal.
- the painting device 20 is a device for painting a painting target such as a car body.
- the coating apparatus 20 of the present embodiment includes a manifold 21, a color change valve 22, a flashable gear pump 23, and a coating gun 24.
- the manifold 21 is configured so that a plurality of color change valves 22 to which the branch line 15 is connected can be connected.
- the manifold 21 is connected to the coating gun 24 via a flashable gear pump 23.
- the color change valve 22 is for changing the color of the paint.
- the downstream end of the branch line 15 is connected to the color change valve 22.
- a plurality of color change valves 22 are connected to the manifold 21 and can be switched according to color change.
- the branch lines 15a and 15b of the paint circulation system which are different for each color to be painted are connected to the color change valves 22, 22a and 22b in the same manner. In the drawing, the paint circulation system connected to the color change valves 22a and 22b is not shown.
- the flashable gear pump 23 is a supply pump that applies pressure to the paint supplied to the coating apparatus 20 and sends it to the coating gun 24.
- the flashable gear pump 23 is connected to the painting gun 24 and to the manifold 21.
- the paint supplied from the branch line 15 is sent to the paint gun 24 by the flashable gear pump 23 through the color change valve 22 and the manifold 21.
- the flashable gear pump 23 has a cleaning function for cleaning itself, and performs its own cleaning at an appropriate timing.
- the coating gun 24 is a coating means for performing electrostatic coating that sprays paint on a coating target.
- the paint supplied from the paint tank 12 to the coating apparatus 20 through the main line 11 and the branch line 15 is sprayed onto the object to be painted by the spraying of the coating gun 24.
- the painting gun 24 is connected to the control device 50 so that operation information can be transmitted by an electrical signal, and the control device 50 can detect whether the painting gun 24 is operating.
- FIG. 2 is a diagram schematically showing the inside of the pressurizing device 30.
- FIG. 3 is a diagram schematically showing the paint circulation system 1 in a state where the piston portion 32 of the pressurizing device 30 is pressurized.
- the pressurizing device 30 prevents sedimentation of the paint that occurs inside the main line 11 and the branch line 15.
- the pressurizing device 30 includes a main body portion 31, a piston portion 32, a pressure regulating valve 33, a pressurizing sensor 34, and a pressurizing line 35. .
- the main body 31 is formed in a cylindrical shape having a hollow portion inside.
- the piston portion 32 is supported inside the main body portion 31.
- a storage chamber 36 and a pressure accumulation chamber 37 are formed inside the main body portion 31 with the piston portion 32 interposed therebetween.
- the storage chamber 36 is located on the lower side (one side in the axial direction) of the piston portion 32.
- An inlet port 39 to which the pressurizing line 35 is connected is formed in the lower part of the storage chamber 36.
- the storage chamber 36 is connected to the branch line 15 through the inlet port 39 and the pressurizing line 35, and the paint flowing through the branch line 15 can flow in.
- the pressure accumulation chamber 37 is located on the upper side (the other side in the axial direction) of the piston portion 32 and is configured to be hermetically sealed, and the inside thereof is filled with air.
- the piston part 32 is slidably supported inside the main body part 31.
- the storage chamber 36 side (one axial direction side) is formed in a conical shape, and a concave portion 32a is formed on the pressure storage chamber 37 side (the other axial side).
- the internal volume of the pressure accumulation chamber 37 can be increased.
- the piston portion 32 of the present embodiment has a plurality of grooves formed on its peripheral surface for attaching a ring-shaped seal ring 38, and the seal rings 38 are respectively attached to these grooves.
- a portion where the inner wall of the main body 31 and the piston portion 32 are in contact with each other by the seal ring 38 disposed on the peripheral surface of the piston portion 32 has a liquid-tight structure so that the paint flowing into the storage chamber 36 does not flow into the pressure accumulation chamber 37 side. It has become.
- the pressure regulating valve 33 as a pressure regulating unit is a regulator that keeps the pressure inside the pressure accumulating chamber 37 at a constant predetermined pressure.
- the pressure regulating valve 33 keeps the pressure inside the pressure accumulating chamber 37 constant.
- the pressure regulating valve 33 of the present embodiment functions as a relief valve that discharges air inside the pressure accumulating chamber 37 to the outside when a predetermined pressure is exceeded.
- the pressurization sensor 34 is a measuring unit that measures the pressure inside the pressure accumulating chamber 37.
- the pressurization sensor 34 is connected to the control device 50 so as to be able to transmit measurement information by an electrical signal.
- the pressurizing line 35 connects the inlet port 39 of the pressurizing device 30 and the branch line 15. By this pressurization line 35, the storage chamber 36 of the main body 31 and the branch line 15 are connected in communication.
- the branch line 15 and the storage chamber 36 communicate with each other via the pressurizing line 35, and the paint in the branch line 15 can be introduced into the storage chamber 36.
- a predetermined pressure is continuously applied to the branch line 15 through the pressurizing line 35.
- the pressure P 1 inside the accumulation chamber 37 gradually increases, eventually reaches a predetermined pressure.
- the pressure inside the pressure accumulating chamber 37 is maintained at a predetermined pressure by the pressure regulating valve 33 that functions as a relief valve. That is, even if the piston portion 32 rises in a state where the pressure has reached a predetermined pressure, air is discharged to the outside of the pressure accumulating chamber 37 by the pressure regulating valve 33 so that the pressure inside the pressure accumulating chamber 37 does not rise any more. Yes.
- P 1 that is the pressure inside the pressure accumulation chamber 37 can be obtained based on the port pressure P 2 that is the pressure of the paint according to Equation 1.
- the pressurizing device 30 enters a pressurizing state.
- the piston unit 32 the air which has been compressed by a drop port pressure P 2 is expanded is moved to the storage chamber side.
- the paint flowing into the storage chamber 36 is pushed out from the inlet port 39 to the pressurizing line 35, and the energy accumulated from the pressurizing device 30 is released (see FIG. 3).
- the control device 50 performs drive control of the supply pump 13, performs supply control for supplying paint to the coating device 20 in an operation state in which paint is sprayed from the paint gun 24, and sprays paint from the paint gun 24. If not, settling prevention control is performed to prevent settling of the paint. Details of supply control and sedimentation prevention control by the control device 50 will be described later.
- the paint circulation system 1 of the first embodiment supplies paint to the coating apparatus 20 from the paint tank 12 through the main line 11 and the branch line 15.
- the coating material supplied to the coating apparatus 20 is sent to the coating gun 24 through the color change valve 22 and the manifold 21 while being pressurized by the flashable gear pump 23.
- the paint is sprayed onto the object to be painted by the painting gun 24, and the painting work is performed.
- the painting gun 24 is held by a painting robot (not shown) having an arm or the like, and the painting operation is automatically performed by the painting robot.
- FIG. 4 is a graph showing the relationship between the pressure of the supply pump 13 and the flow state of the paint.
- the control device 50 according to the present embodiment is in a state where the paint stored in the paint tank 12, which is illustrated as one system of the color change valves 22, 22a, 23b, is selected as the paint to be applied.
- Supply control is performed with the gun 24 operating.
- the control device 50 detects the operation of the painting device 20 (painting gun 24) based on the operation signal input from the painting gun 24, and continues supply control when the paint is used (in FIG. 4). Painting equipment operating state).
- the drive of the supply pump 13 is controlled by the control device 50 so that the pressure inside the main line 11 becomes a preset supply pressure.
- the supply pressure is a pressure at which the paint can be appropriately supplied to the coating apparatus 20, and is set to be higher than a predetermined pressure in the pressure accumulation chamber 37 adjusted by the pressure adjustment valve 33. For example, as shown in FIG. 4, when the predetermined pressure of the pressure accumulating chamber 37 is set to 0.7 MPa, the supply pressure is set to 1.0 MPa. In this way, the coating pump 20 is driven so that the pressure is higher than the pressure applied to the branch line 15 by the pressurizing device 30, whereby the paint is supplied to the coating device 20.
- the measurement signal of each sensor such as the main line pressure sensor 14, the branch line pressure sensor 16, and the pressurization sensor 34 is input to the control device 50.
- the control device 50 controls the drive of the supply pump 13 so that the supply pressure is reached based on these measurement signals.
- the supply pump 13 is controlled to be supplied by the control device 50, the paint inside the main line 11 is sent to the downstream side, is branched to the coating device 20 side at the branch line 15, and is sent to the coating device 20.
- the control device 50 drives the supply pump 13 with the supply pressure, it is possible to continuously generate a forward flow in which the paint flows to the coating device 20 side.
- a pressure higher than a predetermined pressure in the pressure accumulating chamber 37 is applied to the branch line 15 via the main line 11.
- the piston part 32 moves to the storage position on the upper side (the pressure accumulation chamber 37 side).
- the paint flows from the branch line 15 side through the inlet line 39 through the pressurizing line 35 into the storage chamber 36, and the paint is stored in the storage chamber 36 (FIG. 1).
- the paint flows into the storage chamber 36 that is connected to the branch line 15, and the piston portion 32 moves upward. That is, in the supply control, the paint is stored in the storage chamber 36 of the pressurizing device 30.
- the control of the supply pump 13 controls the pressure of the paint inside the main line 11 to be higher than the predetermined pressure of the pressurizing device 30, and the pressure of the paint inside the main line 11 is controlled.
- the control to make the low pressure state lower than the predetermined pressure of the pressurizing device 30 is alternately performed.
- control for setting the pressure of the paint inside the main line 11 to a high pressure state higher than a predetermined pressure of the pressurizing device 30 will be described.
- the control device 50 drives and controls the supply pump 13 so that the pressure of the paint inside the main line 11 is higher than the predetermined pressure in the pressure accumulating chamber 37, and the paint inside the branch line 15 flows to the coating device 20 side.
- the piston part 32 moves to the upper (accumulation chamber 37 side) storage position as in the supply control.
- the paint flows into the storage chamber 36 from the branch line 15 side through the pressurizing line 35, and the paint is stored in the storage chamber 36 (see FIG. 1).
- the control device 50 drives and controls the supply pump 13 so that the pressure inside the main line 11 becomes a target pressure that is lower than the predetermined pressure in the pressure accumulating chamber 37, so that the paint is upstream in the branch line 15. This causes a flow that flows backward.
- the control device 50 controls the drive of the supply pump 13 so as to reach the target pressure based on the measurement signals of the sensors such as the main line pressure sensor 14, the branch line pressure sensor 16, and the pressurization sensor 34.
- the target pressure is a pressure at which the back flow of the paint from the branch line 15 to the main line 11 occurs, and is set according to a predetermined pressure. For example, as shown in FIG. 4, when the predetermined pressure in the pressure accumulating chamber 37 is set to 0.7 MPa, the target pressure is set to 0.2 MPa.
- the paint circulation system 1 of the present embodiment generates a back flow in which the paint returns from the coating apparatus 20 side to the main line 11 side only by controlling the drive of the supply pump 13 arranged in the main line 11. Is possible.
- the anti-settling control as in the supply control, the above-described forward flow in which the paint flows from the main line 11 side to the coating apparatus 20 side and the above-described reverse flow in which the paint flows from the coating apparatus 20 side to the main line 11 side are alternately repeated.
- the supply pressure of the supply pump 13 is driven and controlled by the control device 50 as described above. Note that the timing for switching between the forward flow and the reverse flow can be determined with reference to measurement signals of the sensors such as the main line pressure sensor 14, the branch line pressure sensor 16, and the pressurization sensor 34.
- the control device 50 drives and controls the supply pump 13 so as to generate a reverse flow after driving the supply pump 13 for a predetermined time so as to generate a forward flow during the standby time and the rest time. Further, the control device 50 drives and controls the supply pump 13 so as to generate a forward flow after driving the supply pump 13 for a predetermined time so as to generate a reverse flow. As described above, the control device 50 repeats the drive control that generates the forward flow and the drive control that generates the reverse flow at predetermined time intervals. Thereby, sedimentation of the paint caused by staying in the main line 11 and the branch line 15 is effectively prevented. Thus, the control apparatus 50 performs sedimentation prevention control when supply control is not performed.
- the time when the supply control is not performed means the time when the coating gun 24 is not sprayed by the paint supplied from the paint tank 12 described above. Accordingly, when connected to the color change valve 22, the above-described paint tank 12 is in a standby state or when the paint gun 12 is supplied with another kind of paint from a paint circulation system of a system different from the system, during standby or at rest. In the state where the paint stored in is not supplied to the coating gun 24, sedimentation prevention control is performed. More specifically, the color change valve 22 to which the branch line 15 is connected is closed, and another color paint is applied from the branch line 15 connected to the other color change valves 22a and 22b to the coating apparatus 20. When it is supplied to.
- the control device 50 when the control device 50 shifts from the supply control to the settling prevention control, the control device 50 drives the supply pump 13 for a predetermined time so as to generate a reverse flow, and then causes the supply pump 13 to generate a forward flow. Drive control.
- the first backflow in the sedimentation prevention control can be generated using the energy accumulated in the supply control, and the transition from the supply control to the sedimentation prevention control can be performed smoothly, and an efficient paint The operation of the circulation system 1 can be realized.
- the control device 50 stops the sedimentation prevention control a predetermined time before the supply control is started.
- the timing which stops sedimentation prevention control before the start of supply control can be set by an appropriate method.
- the timing for stopping the sedimentation prevention control may be determined based on a preset schedule and a timer.
- the settling prevention control may be stopped based on the operation signal of the coating gun 24 (the coating apparatus 20), and the control apparatus 50 may start the supply control after a predetermined time has elapsed.
- the control apparatus 50 may start the supply control after a predetermined time has elapsed.
- the paint circulation system 1 includes a loop-shaped main line 11 to which paint is supplied from a paint tank 12, a branch line 15 branched from the main line 11 and connected to a coating apparatus 20, and the main line 11.
- the supply pump 13 that pumps the paint supplied to the coating device 20 side, and in the high pressure state where the pressure of the paint pumped by the supply pump 13 is higher than a predetermined pressure, the pressure of the paint is accumulated.
- a pressurizing device 30 that applies pressure to the paint inside the branch line 15 in a low pressure state where the pressure is low, and drives and controls the supply pump 13 so that a high pressure state and a low pressure state are generated.
- the flow inside the branch line 15 is caused to flow from the coating apparatus 20 side to the main line 11 side to generate the flow. Carry out the anti-settling control to prevent the sedimentation of the fee.
- the paint of the branch line 15 can be made to flow back to the main line 11 side by utilizing the pressure difference between the inside of the main line 11 and the inside of the branch line 15, so that the sedimentation of the paint caused by the retention is effectively prevented. Can be prevented. Further, since the settling of the paint is prevented by the drive control of the supply pump 13 that sends the paint in the paint tank 12 to the coating apparatus 20 side, the paint tank 12 is connected from the painting apparatus 20 to return the paint to the paint tank 12. It is not necessary to separately provide a large-scale piping or a structure for controlling the driving means for circulating the paint on the coating apparatus 20 side, and it is possible to realize cost reduction and space saving of the paint circulation system 1 that can prevent the paint from settling. .
- Metallic paints and pearl paints used in this embodiment are relatively likely to precipitate when the paint supply control is not performed. Even in the case of using such a paint, according to the paint circulation system 1 of the present embodiment, the flow in the direction opposite to that during the supply control is generated in the pipe, so that the settling of the paint can be effectively prevented. .
- the pressurizing device 30 is disposed on one side in the axial direction of the piston portion 32 inside the main body 31, the main body 31 having a hollow portion inside, the piston 32 sliding inside the main body 31,
- the storage chamber 36 that communicates with the branch line 15, the pressure accumulation chamber 37 that is disposed on the other side in the axial direction of the piston portion 32 inside the main body portion 31 and is filled with gas, and the pressure in the pressure accumulation chamber 37 is adjusted to a predetermined pressure.
- a pressure regulating valve 33 to perform.
- the device configuration can be configured simply. Further, since it is configured as a piston type, the necessary volume of the main body 31 can be set appropriately and easily according to the length of the branch line 15 and the like, so that it is suitable for preventing the sedimentation of the paint in various paint circulation systems. Can be easily applied.
- the control device 50 drives and controls the supply pump 13 so that the internal pressure of the main line 11 changes at a predetermined time interval between a high pressure state higher than a predetermined pressure and a low pressure state lower than the predetermined pressure. .
- the sedimentation prevention control the movement of the paint flowing toward the coating apparatus 20 and the movement of flowing back to the flow are repeated, so that the sedimentation of the paint caused by the stay can be prevented more effectively.
- the time for driving the supply pump 13 at a low pressure is longer than the configuration in which the supply pump 13 is continuously driven at a high pressure even when the coating apparatus 20 is not operating, the supply pump 13 as a whole is Energy consumption for driving can be suppressed.
- the pressurizing device 30 is connected in communication near the coating device 20 in the branch line 15.
- the part where the paint flows back in the branch line 15 can be lengthened, and the sedimentation of the paint can be prevented more effectively.
- FIG. 5 is a diagram schematically illustrating a paint circulation system 201 according to the second embodiment.
- the paint circulation system 201 of the second embodiment is configured to provide a bypass line 240 in the branch line 15 and to return the paint in the branch line 15 to the main line 11 side via the bypass line 240.
- description of the same configuration as the configuration of the paint circulation system 1 of the first embodiment may be omitted.
- the paint circulation system 201 of the second embodiment includes a bypass line 240, a branch line check valve 241 as a first check valve, and a bypass line check valve 242 as a second check valve.
- the point which is provided with the one way valve means which consists of these, and the bypass line pressure sensor 243 differs from the structure of the coating material circulation system 1 of 1st Embodiment. These configurations will be described below.
- the bypass line 240 is a pipe that sends the paint inside the branch line 15 to the main line 11 side in the sedimentation prevention control.
- the bypass line 240 of the present embodiment has one end connected to the downstream end of the branch line 15 (end on the color change valve 22 side) and the other end connected to the branch line 15. It is connected in the vicinity of the upstream end (end on the main line 11 side).
- the branch line check valve 241 is disposed in the branch line 15 and inhibits the flow of paint from the coating apparatus 20 side to the main line 11 side.
- the branch line check valve 241 of the present embodiment is arranged on the main line 11 side of the branch line 15 to which the pressurizing line 35 is connected.
- the branch line check valve 241 of the present embodiment is located closer to the coating apparatus 20 than the part to which the other end of the bypass line 240 in the branch line 15 is connected.
- the bypass line check valve 242 is disposed in the bypass line 240 and obstructs the flow of paint from the main line 11 side to the coating apparatus 20 side.
- the bypass line check valve 242 of the present embodiment is disposed in the vicinity of the end portion on the main line 11 side.
- the bypass line pressure sensor 243 is a measuring unit that measures the pressure inside the bypass line 240, and is disposed in the vicinity of the end on the main line 11 side.
- the bypass line pressure sensor 243 is electrically connected to the control device 50. This bypass line pressure sensor 243 can detect a pressure abnormality occurring in the bypass line 240.
- the branch line pressure sensor 216 of the paint circulation system 201 is disposed between the branch line 15 connected to the pressurizing line 35 and the branch line check valve 241. .
- the flow of paint in the supply control of the second embodiment will be described.
- the paint is sent from the main line 11 to the coating apparatus 20 via the branch line 15.
- the flow from the branch line 15 to the bypass line 240 branching on the main line 11 side is blocked by the bypass line check valve 242. That is, the paint does not flow into the bypass line 240 from the end on the main line 11 side, and is sent to the coating apparatus 20 side through the branch line 15.
- the control device 50 supplies a forward flow in which the paint flows in the same direction as the supply control and a reverse flow in which the paint returns to the main line 11 side through the bypass line 240.
- the pump 13 is controlled.
- the control device 50 is supplied with measurement signals from the sensors such as the main line pressure sensor 14, the branch line pressure sensor 16, the pressurization sensor 34, and the bypass line pressure sensor 243. Based on these measurement signals, the supply pump is supplied. 13 drive is controlled.
- the drive control of the supply pump 13 in the sedimentation prevention control is the same as that of the first embodiment, the detailed description thereof is omitted.
- the paint returned to the branch line 15 from the pressurizing line 35 is prevented from moving to the main line 11 side by the branch line check valve 241, and therefore the main line 11 of the branch line 15 through the bypass line 240. Sent to the side. Thereby, a flow arises in the branch line 15 and the main line 11, and sedimentation of a coating material is prevented. Further, as described above, also in the second embodiment, since the control for repeating the forward flow and the reverse flow at a predetermined interval is performed, sedimentation of the paint is effectively prevented.
- one end of the branch line 15 is connected to the coating apparatus 20 side than the portion to which the pressurizer 30 is connected, and the pressurizer 30 in the branch line 15 is connected.
- the anti-settling control a flow of sending the paint from the coating apparatus 20 side to the main line 11 side is generated through the bypass line 240.
- the position where the pressurizing device 30 is connected to the branch line 15 can be freely set, and the degree of freedom of the device configuration can be set. Can be improved.
- a portion where the coating material flows in the branch line 15 can be lengthened. Sedimentation can be prevented more effectively.
- the paint circulation system 201 of the second embodiment is a part on the main line 11 side of the branch line 15 to which the pressurizing device 30 is connected and a part to which the other end of the bypass line 240 is connected.
- a branch line check valve 241 that is disposed on the coating apparatus 20 side and hinders the flow of the paint from the coating apparatus 20 side to the main line 11 side, and is disposed on the bypass line 240, and is arranged from the end on the other side.
- a one-way valve means comprising a bypass line check valve 242 for obstructing the flow at the end on the side.
- the one-way valve means comprising the branch line check valve 241 and the bypass line check valve 242 allows the one-way paint flowing through the portion of the branch line 15 to which the pressurizing device 30 is connected to the coating device 20 side. Only a flow is allowed, and only a one-way paint flow that flows toward the main line 11 through the bypass line 240 is allowed.
- the branch line check valve 241 can prevent the flow that tries to flow backward through the branch line 15 without passing through the bypass line 240, so that the paint can be reliably returned to the main line 11 side through the bypass line 240. it can.
- FIG. 6 is a diagram schematically showing a paint circulation system 301 of the third embodiment.
- the paint circulation system 301 includes a main line 11, a paint tank 12, a supply pump 13, a main line pressure sensor 14, a plurality of coating apparatuses 20, and pressurization pressures corresponding to the plurality of apparatuses.
- the apparatus 30 includes a branch line 15 and a bypass line 340. Also in this embodiment, a plurality of branch lines 15 branch from the main line 11 according to the number of coating apparatuses 20, and the coating apparatus 20 is connected to each branch line 15.
- the coating apparatus 20 is illustrated as two units for simplification, and only a part of the branch line 15 is illustrated.
- the paint circulation system 301 of the third embodiment is different from the paint circulation system 301 of the second embodiment in the configuration of the bypass line 340. Note that the supply control, sedimentation prevention control, and paint flow of the third embodiment are the same as those of the first and second embodiments, and thus detailed description thereof is omitted.
- the bypass line 340 has one end connected to the vicinity of the color change valve 22 in the branch line 15 and the other end connected to the main line 11. Therefore, in the sedimentation prevention control, a flow in which the paint in the branch line 15 returns directly from the bypass line 340 to the main line 11 occurs.
- the anti-settling control in the anti-settling control, a flow different from the flow of the paint in the supply control can be generated, and the settling of the paint can be effectively prevented.
- the control device 50 is configured to start the sedimentation prevention control when the supply control is not performed, but the timing at which the sedimentation prevention control is started can be changed as appropriate.
- the control device 50 may be configured to perform the sedimentation prevention control when the supply control is not performed and a predetermined condition is satisfied.
- Schedule information can also be set as the predetermined condition.
- the settling prevention control is started when it is a predetermined time that the coating apparatus 20 using the paint stored in the paint tank 12 is not applied for a predetermined time according to a production schedule or the like. It can be set as the structure to do. Further, when the color change valve 22 connected to the branch line 15 is closed when the supply control is not performed, the sedimentation prevention control is started.
- the operating condition of the coating gun 24 can be included in the above-mentioned predetermined condition.
- a timer may be provided so that the operation of the supply pump 13 is controlled so as to prevent sedimentation of the paint at a predetermined time.
- the pressure adjustment valve 33 is configured to operate in both cases of supply control and sedimentation prevention control.
- the control device 50 is configured to electrically control on / off of the pressure adjustment valve 33, and sedimentation is performed. You may comprise so that the pressure regulation valve 33 may act
- the control device 50 controls the supply control and the sedimentation prevention control based on the measurement signals of various sensors (main line pressure sensor 14, branch line pressure sensor 16, pressurization sensor 34, bypass line pressure sensor 243, etc.).
- this configuration can be changed as appropriate.
- the bypass line pressure sensor 243 can be omitted from the configuration of the second embodiment.
- a configuration may be adopted in which an abnormality of the paint circulation system is detected based on the measurement signal of each sensor described above. In this way, the control device 50 can drive the supply pump 13 so that the pressure inside the main line 11 is lower than the predetermined pressure set in the pressurizing device 30, and can prevent sedimentation of the paint.
- the configuration can be changed as appropriate.
- the supply pressure and the target pressure are set in advance, but the control device 50 may set the supply pressure and the target pressure based on the measurement signal of each sensor.
Abstract
Description
P1×A1=P2×A2…(数式1)
第1実施形態の塗料循環システム1は、塗料タンク12から塗料が供給されるループ状のメインライン11と、メインライン11から分岐し、塗装装置20に接続される分岐ライン15と、メインライン11に供給される塗料を塗装装置20側に圧送する供給ポンプ13と、供給ポンプ13により圧送される塗料の圧力が所定圧力よりも高い高圧状態では塗料の圧力で蓄圧され、所定圧力よりも塗料の圧力が低くなる低圧状態では分岐ライン15の内部の塗料に圧力を加える与圧装置30と、を備え、高圧状態と低圧状態とが生じるように供給ポンプ13を駆動制御し、低圧状態における前記所定圧力と前記塗料の圧力との圧力差を利用して分岐ライン15の内部の塗料を塗装装置20側からメインライン11側に送る流動を生じさせて前記塗料の沈降を防止する沈降防止制御を行う。
第2実施形態の塗料循環システム201は、分岐ライン15における与圧装置30が接続される部分よりも塗装装置20側に一側の端部が接続され、分岐ライン15における与圧装置30が接続される部分よりもメインライン11側に他側の端部が接続されるバイパスライン240を備え、沈降防止制御では、バイパスライン240を通じて塗料を塗装装置20側からメインライン11側に送る流動を生じさせる。
11 メインライン
12 塗料タンク
13 供給ポンプ
15 分岐ライン
20 塗装装置(塗装手段)
30 与圧装置(与圧手段)
31 本体部
32 ピストン部
33 圧力調整弁(圧力調整部)
36 貯留室
37 蓄圧室
50 制御装置
201 塗料循環システム
240 バイパスライン
241 分岐ライン逆止弁(一方向弁手段)
242 バイパスライン逆止弁(一方向弁手段)
301 塗料循環システム
340 バイパスライン
Claims (5)
- 塗料タンクから塗装手段に塗料を供給する塗料循環システムであって、
前記塗料タンクから前記塗料が供給されるループ状のメインラインと、
前記メインラインから分岐し、前記塗装手段に接続される分岐ラインと、
前記メインラインに供給される前記塗料を前記塗装手段側に圧送する供給ポンプと、
前記供給ポンプにより圧送される前記塗料の圧力が所定圧力よりも高い高圧状態では前記塗料の圧力で蓄圧され、前記所定圧力よりも前記塗料の圧力が低くなる低圧状態では前記分岐ラインの内部の前記塗料に圧力を加える与圧手段と、
を備え、
前記高圧状態と前記低圧状態が生じるように前記供給ポンプを駆動し、前記低圧状態での圧力差を利用して前記分岐ラインの内部の前記塗料を前記塗装手段側から前記メインライン側に送る流動を生じさせて前記塗料の沈降を防止することを特徴とする塗料循環システム。 - 前記与圧手段は、
内部に中空部分を有する本体部と、
前記本体部の内部を摺動するピストン部と、
前記本体部の内部における前記ピストン部の軸方向の一側に配置され、前記分岐ラインに連通する貯留室と、
前記本体部の内部における前記ピストン部の軸方向の他側に配置され、気体が充填される蓄圧室と、
前記蓄圧室の圧力を前記所定圧力に調整する圧力調整部と、
を有する請求項1に記載の塗料循環システム。 - 前記所定圧力より高い前記高圧状態と前記所定圧力より低い前記低圧状態との間で前記メインラインの内部の圧力が所定時間間隔で変化するように前記供給ポンプを駆動する請求項1又は2に記載の塗料循環システム。
- 前記与圧手段は、前記分岐ラインにおける前記塗装手段の近傍で連通接続される請求項1から3までの何れかに記載の塗料循環システム。
- 前記分岐ラインにおける前記与圧手段が接続される部分よりも前記塗装手段側に一側の端部が接続されると共に、他側の端部が前記与圧手段が接続される部分よりも前記メインライン側に接続されるバイパスラインと、
前記分岐ラインにおける前記塗装手段側への一方向の流れを許容すると共に、前記バイパスラインにおける前記メインライン側への一方向の流れを許容する一方向弁手段と、
を更に備え、
前記低圧状態では、前記バイパスラインを通じて前記塗料を前記塗装手段側から前記メインライン側に送る流動を生じさせる請求項1から4までの何れかに記載の塗料循環システム。
Priority Applications (2)
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US14/910,933 US10016732B2 (en) | 2014-06-11 | 2015-05-13 | Paint circulation system |
CN201580001445.4A CN105431234B (zh) | 2014-06-11 | 2015-05-13 | 涂料循环系统 |
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JP2014-120521 | 2014-06-11 | ||
JP2014120521A JP5979732B2 (ja) | 2014-06-11 | 2014-06-11 | 塗料循環システム |
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JP (1) | JP5979732B2 (ja) |
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EP3516000B2 (de) | 2016-09-22 | 2023-03-01 | BASF Coatings GmbH | Wässrige basislacke mit verbesserter ringleitungsstabilität |
CN111863299A (zh) * | 2020-07-24 | 2020-10-30 | 中国核动力研究设计院 | 放射性废液处理系统中设备的双疏处理系统及处理方法 |
JP6979546B1 (ja) * | 2021-10-08 | 2021-12-15 | アーベーベー・シュバイツ・アーゲーABB Schweiz AG | 塗装装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992000813A1 (en) * | 1990-07-10 | 1992-01-23 | Musashi Engineering, Inc. | Constant liquid delivery device |
JPH10506844A (ja) * | 1995-03-07 | 1998-07-07 | セバ | 取り外し可能タンクを有する粘性または流動性材料の分配装置及びその装置の使用法 |
JP2002159907A (ja) * | 2000-11-29 | 2002-06-04 | Takubo Engineering Co Ltd | 塗料供給システム |
JP2006061839A (ja) * | 2004-08-27 | 2006-03-09 | Gakunan Koki Kk | 道路区画線施工における噴霧塗料の供給方法 |
JP2010149019A (ja) * | 2008-12-24 | 2010-07-08 | Hirano Tecseed Co Ltd | 塗工装置における間欠給液方法及び装置 |
JP2013180290A (ja) * | 2012-03-05 | 2013-09-12 | Honda Motor Co Ltd | 静電塗装システムの中間貯留装置及びその洗浄方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2244686A (en) * | 1938-12-24 | 1941-06-10 | Binks Mfg Co | Means for distributing and circulating liquid material |
JPS60154076A (ja) * | 1984-01-23 | 1985-08-13 | Kobe Steel Ltd | マ−キング装置における塗料供給回路 |
US4653532A (en) * | 1985-11-18 | 1987-03-31 | Graco Inc. | Loop injection circulation system |
JPH01107862A (ja) * | 1987-10-22 | 1989-04-25 | Nagoya I Ii C Kk | 分岐管差圧補償付塗料循環供給システム |
US5197800A (en) * | 1991-06-28 | 1993-03-30 | Nordson Corporation | Method for forming coating material formulations substantially comprised of a saturated resin rich phase |
JP2557955Y2 (ja) * | 1991-10-25 | 1997-12-17 | トリニティ工業株式会社 | 塗料循環装置 |
JP2546473Y2 (ja) * | 1991-11-28 | 1997-09-03 | マツダ株式会社 | 塗装装置 |
JP2550003Y2 (ja) * | 1991-12-18 | 1997-10-08 | トリニティ工業株式会社 | 電着塗装装置 |
US5433587A (en) * | 1993-07-19 | 1995-07-18 | Graco Inc. | Paint circulating method with viscosity indicator and paint agitating means |
JPH0795355A (ja) | 1993-09-24 | 1995-04-07 | Canon Inc | 原稿読取装置 |
EP0795355A2 (en) | 1995-12-29 | 1997-09-17 | Graco Inc. | Circulation system circulating drop |
JP3566112B2 (ja) * | 1998-12-15 | 2004-09-15 | 富士重工業株式会社 | 上塗塗料循環システム |
JP3942010B2 (ja) * | 2001-12-21 | 2007-07-11 | 有限会社フジ・バイオ研究所 | 明太子風味の食品調味料及び加工食品 |
JP4512680B2 (ja) * | 2003-03-18 | 2010-07-28 | 兵神装備株式会社 | 材料供給システム |
KR101258552B1 (ko) * | 2005-04-13 | 2013-05-02 | 일리노이즈 툴 워크스 인코포레이티드 | 분사 코팅제 도포구 시스템 |
US7828527B2 (en) * | 2005-09-13 | 2010-11-09 | Illinois Tool Works Inc. | Paint circulating system and method |
JP2008089081A (ja) * | 2006-10-02 | 2008-04-17 | Tokyo Dies:Kk | アキュムレータおよび塗装装置 |
JP2010104883A (ja) * | 2008-10-29 | 2010-05-13 | Hitachi Maxell Ltd | 塗布装置および塗布装置を用いる機能性支持体の製造方法 |
CN103301969B (zh) | 2012-03-05 | 2016-06-29 | 本田技研工业株式会社 | 静电喷涂系统的中间蓄留装置、其清洗方法及喷涂方法 |
-
2014
- 2014-06-11 JP JP2014120521A patent/JP5979732B2/ja not_active Expired - Fee Related
-
2015
- 2015-05-13 WO PCT/JP2015/063829 patent/WO2015190209A1/ja active Application Filing
- 2015-05-13 US US14/910,933 patent/US10016732B2/en not_active Expired - Fee Related
- 2015-05-13 CN CN201580001445.4A patent/CN105431234B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992000813A1 (en) * | 1990-07-10 | 1992-01-23 | Musashi Engineering, Inc. | Constant liquid delivery device |
JPH10506844A (ja) * | 1995-03-07 | 1998-07-07 | セバ | 取り外し可能タンクを有する粘性または流動性材料の分配装置及びその装置の使用法 |
JP2002159907A (ja) * | 2000-11-29 | 2002-06-04 | Takubo Engineering Co Ltd | 塗料供給システム |
JP2006061839A (ja) * | 2004-08-27 | 2006-03-09 | Gakunan Koki Kk | 道路区画線施工における噴霧塗料の供給方法 |
JP2010149019A (ja) * | 2008-12-24 | 2010-07-08 | Hirano Tecseed Co Ltd | 塗工装置における間欠給液方法及び装置 |
JP2013180290A (ja) * | 2012-03-05 | 2013-09-12 | Honda Motor Co Ltd | 静電塗装システムの中間貯留装置及びその洗浄方法 |
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JP5979732B2 (ja) | 2016-08-31 |
CN105431234B (zh) | 2017-07-28 |
CN105431234A (zh) | 2016-03-23 |
US10016732B2 (en) | 2018-07-10 |
JP2016000372A (ja) | 2016-01-07 |
US20160184784A1 (en) | 2016-06-30 |
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