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WO2025158529A1 - Dispositif d'impression, dispositif de traitement d'informations, système d'impression, procédé de production et procédé de traitement d'informations - Google Patents

Dispositif d'impression, dispositif de traitement d'informations, système d'impression, procédé de production et procédé de traitement d'informations

Info

Publication number
WO2025158529A1
WO2025158529A1 PCT/JP2024/001834 JP2024001834W WO2025158529A1 WO 2025158529 A1 WO2025158529 A1 WO 2025158529A1 JP 2024001834 W JP2024001834 W JP 2024001834W WO 2025158529 A1 WO2025158529 A1 WO 2025158529A1
Authority
WO
WIPO (PCT)
Prior art keywords
distance
unit
ejection
discharge
head
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/JP2024/001834
Other languages
English (en)
Japanese (ja)
Inventor
直比古 平松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Corp
Original Assignee
Fuji Corp
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 Fuji Corp filed Critical Fuji Corp
Priority to PCT/JP2024/001834 priority Critical patent/WO2025158529A1/fr
Publication of WO2025158529A1 publication Critical patent/WO2025158529A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

Definitions

  • This specification discloses a printing device, an information processing device, a printing system, a manufacturing method, and an information processing method.
  • a printing device for producing three-dimensional objects that produces three-dimensional objects by stacking modeling layers, in which a fiber material appropriate for the thickness of the modeling layer is selected from multiple types of fiber material with different fiber diameters, and the modeling material containing the selected fiber material is ejected from a nozzle opening to form the modeling layer (see, for example, Patent Document 1).
  • This printing device is said to be able to achieve both improved strength of the three-dimensional object and improved production efficiency.
  • the present disclosure has been made to solve these problems, and its main purpose is to provide a printing device, information processing device, printing system, manufacturing method, and information processing method that can more appropriately form objects.
  • This disclosure takes the following measures to achieve the above-mentioned primary objective.
  • the printing device of the present disclosure includes: A printing apparatus that ejects a fluid onto a target to form a model, a discharge head that discharges the fluid onto the object; a moving unit that moves the ejection head and the object relatively in a predetermined direction; a distance adjustment unit that can adjust the ejection distance between the ejection head and the target object; a print control unit that executes an adjustment process to control the moving unit so that the relative moving speed between the ejection head and the object tends to become slower as the ejection distance between the ejection head and the object becomes longer, and ejects the fluid from the ejection head; It is equipped with the following.
  • this printing device can further reduce changes in the fluid landing position that occur when the dispensing distance is changed, allowing for more appropriate printing of objects.
  • FIG. 1 is a schematic explanatory diagram showing an example of a printing system 10.
  • FIG. 2 is a schematic explanatory diagram showing an example of the structure of a printing device 11 as seen from the front.
  • FIG. 3 is an explanatory diagram showing an example of the outline of each discharge unit and a moving unit 25.
  • FIG. 2 is an explanatory diagram showing an example of a schematic configuration of a dispenser unit 40.
  • FIG. 2 is a conceptual diagram showing an example of correspondence relationship information 24.
  • FIG. 1 is an explanatory diagram showing an example of an outline of a forming process.
  • FIG. 10 is an explanatory diagram of an example of ejection distances Zs and Z.
  • FIG. 10 is an explanatory diagram illustrating an example of an outline of adjustment processing.
  • 10 is a flowchart showing an example of a shaped object production processing routine.
  • 10 is a flowchart showing an example of another object production processing routine.
  • FIG. 1 is a schematic diagram illustrating an example of a printing system 10, which is an example of the present disclosure.
  • FIG. 2 is a schematic diagram illustrating an example of the structure of a printing device 11, viewed from the front.
  • FIG. 3 is a schematic diagram illustrating an example of a first ejection unit 30, a second ejection unit 35, and a moving unit 25.
  • FIG. 4 is a schematic diagram illustrating an example of a dispenser unit 40.
  • FIG. 5 is a conceptual diagram illustrating an example of correspondence information 24.
  • FIG. 6 is a conceptual diagram illustrating an example of correspondence information 24B. Note that in this embodiment, the left-right direction (X-axis), front-back direction (Y-axis), and up-down direction (Z-axis) are as shown in FIGS. 1 to 4.
  • the printing system 10 includes a printing device 11, a mounting device 12, and an information processing device 80.
  • This printing system 10 is configured as a production line in which the printing device 11 forms a shaped object as a first process, forms predetermined components on the shaped object as a second process, and then the mounting device 12 mounts the components.
  • This printing device 11 may form a circuit pattern as a conductive material as the second process, and the mounting device 12 may perform a process of mounting components P at predetermined positions on the conductive material.
  • the printing system 10 may also include one or more mounting-related devices such as a printing device that prints solder as a viscous fluid on the shaped object, a print inspection device that inspects the printing results, a mounting inspection device that inspects the mounting results, and a transport device that transports the shaped object. While the printing system 10 shown in FIG. 1 includes one mounting device 12, it may also include multiple mounting devices 12.
  • the mounting device 12 is a device that mounts components P onto a model created by the printing device 11.
  • the mounting device 12 comprises a control device, a transport processing unit 13, a component supply unit 14, an imaging unit 16, a mounting unit 17, an operation panel, and a communication unit.
  • the control device is configured as a microprocessor centered around a mounting control unit such as a CPU, and is responsible for controlling the entire device. This control device outputs control signals to the transport processing unit 13, component supply unit 14, imaging unit 16, mounting unit 17, and operation panel, and inputs signals from the transport processing unit 13, component supply unit 14, imaging unit 16, mounting unit 17, and operation panel.
  • the control device comprises a memory unit, which is a large-capacity storage medium such as a flash memory.
  • the memory unit stores mounting information including information on the components P to be mounted, the order in which they are to be mounted on the model, their placement positions, and the installation position of the feeder 15 that picks up the components.
  • the transport processing unit 13 carries in, transports, fixes at the mounting position, and carries out the pallet 60 on which the shaped object is placed.
  • the component supply unit 14 is a unit that supplies components P to the mounting unit 17.
  • the component supply unit 14 mounts feeders 15 having reels holding components in one or more mounting units.
  • the imaging unit 16 is a camera that captures images of the upward direction and captures images of the components P held by the mounting head 19 of the mounting unit 17.
  • the operation panel is a unit that accepts input from the worker and presents information to the worker.
  • the mounting unit 17 is a unit that collects components P from the component supply unit 14 and places them on the shaped object fixed to the transport processing unit 13.
  • the mounting unit 17 includes a head moving unit 18, a mounting head 19, and a collection member.
  • the head moving unit 18 includes a slider that moves in the X and Y directions along a guide rail, and a motor that drives the slider.
  • the mounting head 19 is removably attached to the slider, picks up one or more components, and is moved in the X and Y directions by the head moving unit 18.
  • One or more picking members are removably attached to the underside of the mounting head 19.
  • the picking members may be suction nozzles that use negative pressure to pick up components, or mechanical chucks that mechanically hold components.
  • the communication unit is an interface that exchanges information with external devices such as the printing device 11 and a management device (not shown).
  • the printing device 11 is a three-dimensional modeling device that ejects a fluid onto an object to form and manufacture a shaped object having a substrate, conductive material, etc.
  • the shaped object includes, for example, a substrate, conductive material formed on and/or within the substrate, and components disposed on and/or within the substrate.
  • the object is a pallet 60 at the initial stage of modeling, and refers to the object once a substrate, circuit, conductive material, etc. are formed on the pallet 60.
  • the material to be modeled is not particularly limited, and examples include resin and ceramics.
  • the printing device 11 includes a control device 20, a memory unit 22, a moving unit 25, a flattening unit 29, a first discharging unit 30, a first maintenance unit 33, a first curing unit 34, a second discharging unit 35, a second maintenance unit 38, a second curing unit 39, a dispenser unit 40, a pressing unit 47, an inspection unit 55, an operation panel 58, and a communication unit 59.
  • the printing device 11 also includes a first gantry 51, a second gantry 52, a third gantry 53, and a housing 54 as structural components.
  • the printing device 11 will be described as a device that uses a first discharging unit 30 to form an insulator, such as a base material for a molded object, and then uses a second discharging unit 35 to form a conductive material, such as a circuit pattern, on the molded insulator.
  • the first discharging unit 30 and the second discharging unit 35 will be collectively referred to as “discharging units”
  • the first discharging head 32 and the second discharging head 37 will be collectively referred to as “discharging heads”
  • the first maintenance unit 33 and the second maintenance unit 38 will be collectively referred to as “maintenance units”
  • the first curing unit 34 and the second curing unit 39 will be collectively referred to as "curing units.”
  • the control device 20 is configured as a microprocessor centered on a print control unit 21 such as a CPU, and controls the entire printing device 11.
  • the control device 20 exchanges information with the memory unit 22 and each unit.
  • the memory unit 22 is, for example, a large-capacity storage medium such as a flash memory.
  • the memory unit 22 stores modeling job information 23 and correspondence information 24.
  • the modeling job information 23 is information that includes, for example, the shape and size of the model to be manufactured, and information on conductive materials such as circuit patterns to be formed on the substrate.
  • the correspondence information 24 is information that provides a one-to-one correspondence between the discharge distance Z between the discharge head and the target object and the movement speed V of the support unit 26.
  • the correspondence information 24 is defined so that the longer the discharge distance Z between the discharge head and the target object, the slower the relative movement speed V between the discharge head and the target object.
  • the "tendency" means that the longer the discharge distance Z, the slower the movement speed V overall, and is intended to allow for, for example, a certain range of values or a range that contradicts this.
  • the discharge distance Z and the movement speed V are inversely proportional to each other.
  • the correspondence information 24 calculates the corresponding movement speed V when the discharge distance Z is given.
  • the movement speed V is set to the fastest movement speed Vs, which further shortens the processing time for the modeling speed.
  • correspondence information 24 is shown as a curve in FIG. 5, it may also be represented as correspondence information 24B, which is set in a stepwise manner, as shown in FIG. 6.
  • the printing device 11 executes the modeling process based on the information stored in the memory unit 22.
  • the moving unit 25 is a stage that moves a pallet 60, which is the object onto which the fluid is to be ejected.
  • This moving unit 25 includes a support portion 26, a support movement portion 27, and a distance adjustment portion 28.
  • the support portion 26 supports and fixes the pallet 60.
  • the support movement portion 27 is a drive portion that moves the support portion 26 along a predetermined direction, the front-to-back direction, thereby moving the ejection head and the object relatively.
  • the support movement portion 27 may be a linear drive portion, and is composed of a linear motor, a ball screw mechanism, or the like.
  • the distance adjustment portion 28 is an elevation portion that can move the support portion 26 up and down to adjust the ejection distance Z between the ejection head and the object.
  • the distance adjustment portion 28 controls the ejection distance Z to a length that exceeds a predetermined allowable distance T, based on the component height H placed by the mounting device 12.
  • the pallet 60 is a plate-like member having an area where a model is created.
  • This pallet 60 has a modeling area 61 that receives fluids and liquid materials from the discharge head and application head 42. A removable film is attached to the top surface of the pallet 60, and by replacing this film, the next model can be produced.
  • the modeling area 61 is a printing area where a model is created by the first discharge unit 30, a predetermined pattern is formed on the model by the second discharge unit 35, and the liquid material is applied to the target object by the dispenser unit 40.
  • the first ejection unit 30 ejects the base fluid onto the pallet 60.
  • the first ejection unit 30 is movably disposed to the left of the first gantry 51, which is fixed to the front region in the Y-axis direction of the housing 54 of the printing device 11.
  • the first ejection unit 30 includes a first moving unit 31, a first ejection head 32, and a first fluid processing unit.
  • the first moving unit 31 includes a slider that moves along the X-axis direction while guided by a guide rail, and a motor that drives the slider.
  • the slider is equipped with a first ejection head 32, which moves along the X-axis direction as the slider moves.
  • the first moving unit 31 moves the first ejection head 32 between a standby position and an ejection position on the pallet 60.
  • the first ejection head 32 is a structural fluid ejection head that ejects the fluid that constitutes the model onto an object such as the pallet 60 to form the model.
  • the first ejection head 32 includes a first nozzle and an ejection drive unit.
  • the first nozzle is formed in the nozzle plate. This first nozzle is an opening that ejects the fluid supplied from the first fluid processing unit onto the pallet 60.
  • the ejection drive unit ejects the fluid toward the pallet 60, and may be, for example, a piezoelectric element.
  • the fluid ejected by the first ejection head 32 may be, for example, a liquid curable resin (e.g., ultraviolet curable resin, thermosetting resin, two-part mixed curable resin, etc.), a thermoplastic resin, or a liquid material such as a slurry made by mixing a solvent with a solid material such as an inorganic substance.
  • the first fluid processing unit is a unit that delivers the fluid and includes a first supply tank that stores the fluid and a first recovery tank that stores the recovered fluid.
  • the first maintenance unit 33 is a unit that seals and protects the first ejection head 32, and performs ejection maintenance based on the ejection status of the first ejection head 32.
  • the first maintenance unit 33 includes, for example, a first cap that seals the first ejection head 32, a first ejection receiving portion that receives fluid ejected from the first ejection head 32, and a first cleaning portion that cleans the first ejection head 32.
  • the ejection maintenance includes, for example, performing a flushing process and a process to wipe and clean the nozzle plate of the first ejection head 32.
  • the first curing unit 34 is a unit that performs a predetermined process on the fluid ejected from the first ejection head 32 onto the pallet 60 or onto a model that has hardened on the pallet 60, thereby hardening the fluid.
  • the first curing unit 34 may also harden the fluid ejected into the modeling region 61 by irradiating it with light of a predetermined wavelength, such as ultraviolet light.
  • the first curing unit 34 may also dry or bake the fluid depending on its material. For example, each time a layer of fluid is formed on the modeling region 61 by the first ejection head 32, the pallet 60 is moved underneath the first curing unit 34 to harden the fluid.
  • the second discharge unit 35 is a unit that discharges a fluid onto the pallet 60 or onto the shaped object, which serves as a conductive material for circuits or the like to be formed inside or on the surface of the shaped object.
  • the second discharge unit 35 is movably arranged to the right of the first gantry 51, which is fixed to the front region of the housing 54 in the Y-axis direction.
  • the second discharge unit 35 includes a second moving unit 36, a second discharge head 37, and a second fluid processing unit.
  • the second moving unit 36 includes a slider that moves along the X-axis direction while guided by a guide rail, and a motor that drives the slider.
  • the second discharge head 37 is attached to the slider, and the second discharge head 37 moves along the X-axis direction as the slider moves.
  • the second moving unit 36 moves the second discharge head 37 between a standby position and a discharge position on the pallet 60.
  • the second discharge head 37 is a conductive fluid discharge head that discharges fluid onto an object such as the pallet 60 to form a conductive material.
  • the second ejection head 37 like the first ejection head 32, has a second nozzle and an ejection driver. Since the second ejection head 37 has the same structure and function as the first ejection head 32, detailed description thereof will be omitted.
  • the fluid ejected by the second nozzle may be, for example, a liquid mixture of a solid mixed with a solvent, or a solution of a resin dissolved in a solvent.
  • this fluid examples include a conductive paste in which metal particles are dispersed in a resin that hardens when heated, or a metal ink conductive fluid.
  • a conductive paste in which metal particles are dispersed in a resin that hardens when heated, or a metal ink conductive fluid.
  • the resin in the conductive paste is, for example, an organic adhesive, and exhibits adhesive strength when hardened.
  • the second maintenance unit 38 is a unit that seals and protects the second ejection head 37, and performs ejection maintenance based on the ejection status of the second ejection head 37.
  • the second maintenance unit 38 includes, for example, a second cap that seals the second ejection head 37, a second ejection receiving portion that receives fluid ejected from the second ejection head 37, and a second cleaning portion that cleans the second ejection head 37.
  • the ejection maintenance includes the flushing process and cleaning process described above.
  • the second curing unit 39 is a unit that performs a predetermined process on fluid ejected from the second ejection head 37 onto the building area 61 of the pallet 60 or onto a hardened object on the pallet 60, thereby hardening the fluid.
  • the second curing unit 39 may also harden the fluid ejected onto the building area 61 by irradiating it with light of a predetermined wavelength, such as infrared light.
  • the second curing unit 39 may also dry or bake the fluid depending on the material of the fluid. For example, each time a layer of fluid is formed on the pallet 60 by the second ejection head 37, the pallet 60 is moved underneath the second curing unit 39, and the second curing unit 39 hardens the fluid.
  • the flattening unit 29 flattens the surface of the fluid dispensed onto the pallet 60 and/or the model using a flattening member.
  • Flattening members include, for example, flattening rollers that rotate relative to the model, and flat flattening blades.
  • the dispenser unit 40 is a unit that applies a liquid material to a model on a pallet 60. As shown in Figures 1, 2, and 4, the dispenser unit 40 is movably mounted on a second gantry 52 fixed to the central region in the Y-axis direction of the housing 54 of the printing device 11. The dispenser unit 40 is disposed on a transport path that transports the pallet 60 to and from the mounting device 12, and is configured to perform processes such as application amount detection, pallet 60 transport, imaging, and height measurement in addition to the application process using the dispenser.
  • the dispenser unit 40 is composed of an application movement unit 41, an application head 42, and a discharge amount detection unit 57.
  • the dispenser unit 40 also includes a dispenser 43, an imaging unit 44, a height detection unit 45, and a mounting transport unit 46 on the application head 42.
  • the application movement unit 41 includes a slider that moves along the X-axis direction, guided by a guide rail arranged on the second gantry 52, and a motor that drives the slider.
  • a application head 42 is attached to the slider, and moves along the X-axis direction as the slider moves.
  • the application head 42 is a structure that is moved along the X-axis direction by the application movement unit 41.
  • the application head 42 is provided with one or more dispensers 43, such as one that applies conductive paste or one that applies filler.
  • the dispenser 43 includes a syringe that applies positive pressure to push out a liquid material. Examples of liquid materials include liquid resins with dispersed conductive materials, liquid resins with insulating properties, and multiple types of resins with different viscosities and conductivities.
  • an elevator (not shown) lowers the dispenser 43 to a dispensing position, and after dispensing the liquid material, the elevator raises the dispenser 43 to a standby position.
  • the imaging unit 44 is a camera that captures images below.
  • the imaging unit 44 captures, for example, images of the model in the modeling area 61 and the inspection area 56 of the inspection unit 55.
  • the height detection unit 45 is configured as a sensor that moves the contact terminal at its tip downward and determines the height of the object it comes into contact with based on the position at which it comes into contact with the object.
  • the height detection unit 45 is used to measure the height of the pallet 60 and the model on the pallet 60.
  • the mounting transport unit 46 is used to transport the pallet 60 to the mounting device 12 and to transport the pallet 60 from the mounting device 12.
  • the mounting transport unit 46 has a rod structure that can extend downward, and moves the pallet 60 by contacting its tip with the edge of the pallet 60 and pushing it out or hooking and pulling it in.
  • the discharge amount detection unit 57 detects the amount of liquid material dispensed from the dispenser 43.
  • the pressing unit 47 is a unit that presses the object on the pallet 60, or a liquid material applied to the pallet 60 or the object.
  • the pressing unit 47 is disposed on a third gantry 53 that is fixed to the rear region in the Y-axis direction of the housing 54 of the printing device 11. This pressing unit 47 may be configured to heat and press the object.
  • the pressing unit 47 is composed of a pressing section that presses the object with a pressing member 48, a heating section that heats the pressing section, and a pressing and transporting section 49 that transports the pallet 60 in and out.
  • the pressing member 48 is a member that comes into contact with the object and applies pressure to it.
  • the pressing member 48 is a member that comes into contact with the object and applies pressure and heat to it.
  • the pressing and conveying unit 49 carries the pallet 60 in and out of the pressing unit 47, which is disposed in a position outside the movement lane of the moving unit 25.
  • the pressing and conveying unit 49 may be mechanically similar to the mounting and conveying unit 46.
  • the inspection unit 55 is a unit that inspects the ejection status of the first ejection unit 30 and/or second ejection unit 35.
  • the inspection unit 55 is composed of a mark substrate as an inspection area 56 and an imaging unit 44.
  • the inspection unit 55 inspects the ejection position of the ejection unit by causing fluid ejected from the first ejection unit 30 or second ejection unit 35 to land on the surface of a film fixed on the mark substrate and capturing an image of this with the imaging unit 44.
  • the operation panel 58 is a unit that accepts input from the worker and presents information to the worker.
  • This operation panel 58 is equipped with a display unit and an operation unit that is a touch panel type and has buttons.
  • the communication unit 59 is an interface that exchanges information with external devices such as the mounting device 12 and information processing device 80.
  • the information processing device 80 is configured as a management server that manages the printing system 10, which has a printing device 11 that ejects a fluid onto an object to form a model.
  • the information processing device 80 is equipped with an information control unit 81, a memory unit 82, a communication unit 89, a display unit, and an input device.
  • the information control unit 81 has a CPU and controls the entire device.
  • the memory unit 82 is a large-capacity storage device such as a flash memory.
  • the memory unit 82 stores modeling job information 83, correspondence information 84, and the like. Note that the modeling job information 83 and correspondence information 84 contain information similar to the modeling job information 23 and correspondence information 24, and detailed explanations thereof will be omitted.
  • the communication unit 89 exchanges information with external devices, such as the printing device 11 and the mounting device 12, via a network such as a LAN.
  • the information control unit 81 sets modeling job information 83 based on requests from the printing device 11 and the mounting device 12 and transmits it via the communication unit 89.
  • the information control unit 81 uses the correspondence information 84 to set modeling job information 83 such that the longer the discharge distance Z between the discharge head and the target object, the slower the relative movement speed V between the discharge head and the target object.
  • the display unit is a display that displays images.
  • the input device includes a keyboard, mouse, etc. that accept input from the user.
  • Figure 7 is a flowchart showing an example of a modeling job setting process routine executed by the information control unit 81 of the information processing device 80.
  • Figure 8 is an explanatory diagram showing an example of an overview of the modeling process, with Figure 8A being the printing process of the substrate S, Figure 8B being the printing process of the circuit E, Figure 8C being the printing process of the cavity C, Figure 8D being the application process of the conductive material B and underfill U, Figure 8E being the mounting process of the component P, Figure 8F being the application process of the filler F, and Figure 8G being the printing process of adding the substrate S.
  • FIG. 8A a substrate S is printed and cured
  • FIG. 8B a circuit E is printed and cured on the substrate S
  • FIG. 8C a cavity C is printed and cured on the circuit E
  • FIG. 8D a conductive material B and underfill U are applied
  • FIG. 8E a component P is mounted
  • FIG. 8F a filler F is filled
  • FIG. 8G additional substrates S are printed and cured as needed (FIG. 8G).
  • This modeling job setting processing routine is stored in the memory unit 82 and is executed by the information control unit 81 after the operator inputs a command to set the modeling job information.
  • the information control unit 81 of the information processing device 80 acquires data on the object to be formed (S100), and acquires information on the components P to be mounted on the object (S110).
  • the information control unit 81 acquires the object data and information on the components P from, for example, a design drawing of the object.
  • the information on the components P includes, for example, information on the placement position of the components P and size information including the component height H.
  • the information control unit 81 determines whether the components P have already been placed on the target object (S120).
  • the information control unit 81 sets the discharge distance Z between the discharge head and the target object to a fixed value Zs (S130). Note that, here, either the first discharge head 32 or the second discharge head 37 is set as the discharge head to be used for modeling, as appropriate for the process. "Fixing the discharge distance Zs" means increasing the distance between the discharge head and the target object each time a layer of material is formed, i.e., lowering the target object, so that the discharge distance remains constant.
  • the information control unit 81 sets the movement speed Vs to the movement speed V of the support unit 26, and sets the region where the fluid is to be discharged under these conditions (S140).
  • the information control unit 81 sets the discharge distance Z between the discharge head and the target object to a fixed value Zs and the movement speed V to a fixed value Vs.
  • the information control unit 81 then executes settings for the discharge process on the substrate S, circuit E, cavity C, etc. ( Figures 8A-C).
  • the information control unit 81 determines whether the setting of the discharge process for the current block has been completed (S150).
  • the discharge process for the current block may be completed when switching to another process, such as a liquid application process or a component P mounting process. If the discharge process for the current block has not been completed, the process from S130 onwards is executed.
  • the information control unit 81 determines whether the next process is a dispenser application process (S160). If the next process is a dispenser application process, the information control unit 81 sets the execution conditions for the dispenser application process (S170). The information control unit 81 sets, for example, the application area and application amount of underfill U to be filled on the underside of the component P, as well as the application area and application amount of conductive material B such as bumps ( Figure 8D). After S170, or if there is no dispenser application process in S160, the information control unit 81 determines whether there is a component P placement process (S180).
  • the information control unit 81 sets the execution of a mounting transport process to transport the pallet 60 to the mounting device 12 (S190).
  • the information control unit 81 causes the support movement unit 27 to move the pallet 60 directly below the second gantry 52, and sets the conditions for the mounting transport unit 46 to carry in and out the pallet 60.
  • the information control unit 81 determines whether there is an additional discharge process from the discharge head (S200). If there is an additional discharge process, or if it is set in S120 that a component has already been placed, the information control unit 81 determines whether a component P having a component height H that exceeds the allowable distance T has been placed on the target object (S210).
  • the allowable distance T may be set, for example, to a discharge distance such that if the discharge distance Z between the discharge head and the target object becomes larger than this, an abnormality will occur in the shape of the model.
  • the information control unit 81 executes the processes from S130 onwards. That is, the information control unit 81 sets the execution conditions of the moving unit 25 so that the additional discharge process is discharged into the discharge range at a constant discharge distance Zs and a constant moving speed Vs.
  • the information control unit 81 acquires the discharge distance Z based on the component height H and prohibits the support unit 26 from moving up and down (S220).
  • the information control unit 81 sets the discharge distance Z to a height that includes a margin M to prevent the discharge head from coming into contact with the component P having the component height H.
  • the information control unit 81 may also prohibit the support unit 26 from moving up and down until the discharge distance Z that avoids contact with the component P reaches the discharge distance Zs.
  • the information control unit 81 sets the movement speed V of the support unit 26 using the correspondence information 84 based on the discharge distance Z (S230).
  • the information control unit 81 sets the movement speed V so that the longer the discharge distance Z between the discharge head and the target object, the slower the relative movement speed V between the discharge head and the target object.
  • the information control unit 81 determines whether the setting of the discharge process for the current block has been completed (S240). If the setting of the discharge process for the current block has not been completed, the information control unit 81 executes the processing from S220 onward. That is, the information control unit 81 acquires the discharge distance Z based on the component height H, and performs processing to set the movement speed V using the correspondence information 84 based on the discharge distance Z.
  • FIG. 9A is an explanatory diagram of an example of the discharge distances Zs and Z, where FIG. 9A shows the start of modeling, FIG. 9B shows modeling at the discharge distance Zs, FIG. 9C shows after component P is placed, and FIG. 9D shows an example of the formation of substrate S after FIG. 9C.
  • FIG. 10A is an explanatory diagram of an example of the adjustment process, where FIG. 10A shows the impact position at the discharge distance Zs and the movement speed Vs, FIG. 10B shows the impact position at the discharge distance Z and the movement speed Vs after component P is placed, and FIG. 10C shows the impact position during the adjustment process in which the movement speed V is reduced.
  • FIG. 10A shows the impact position at the discharge distance Zs and the movement speed Vs
  • FIG. 10B shows the impact position at the discharge distance Z and the movement speed Vs after component P is placed
  • FIG. 10C shows the impact position during the adjustment process in which the movement speed V is reduced.
  • FIG. 10A shows the impact position at the discharge distance Zs
  • a structural material such as a base resin is printed with the first discharge head 32 to form substrate S
  • conductive parts such as circuits E are printed with the second discharge head 37.
  • the structural material is printed on substrate S to form cavities C, creating a three-dimensional structure.
  • the height of cavity C may be kept constant to stabilize processes such as filling underfill U.
  • components P are mounted, and additional structural materials are printed as necessary to produce the desired object O.
  • FIGS. 9A and 9B in the printing device 11, when printing the substrate S, cavity C, and circuit E, the support part 26 is lowered for each thickness of the target so as to maintain a constant distance between the discharge head and the target. As a result, as shown in FIG.
  • the discharge distance Zs is maintained constant, and the support part 26 can maintain a constant time to impact under the condition of a constant moving speed Vs, thereby minimizing impact deviation.
  • the impact distance will be longer, resulting in longer impact times and impact misalignment, as shown in Figure 10B.
  • additional printing after component mounting can result in abnormal shapes such as tilted shapes.
  • the support part 26 does not descend, and the process is such that the landing distance approaches the discharge distance Zs with each layer stack.
  • the reason for this is that the landing distance is determined by the conditions before mounting, and the longer it is, the greater the impact of convection within the device, which significantly affects landing misalignment.
  • the method for correcting landing misalignment is preferably to set the speed for each print according to the landing distance.
  • the information processing device 80 creates correlation data between the discharge distance Z and the movement speed V, as shown in Figures 5 and 6, which further suppresses landing misalignment.
  • the movement speed V of the target object is initially obtained from the discharge distance Z derived from the component height H ( Figure 10C). After printing one layer, the distance obtained by subtracting the thickness of one layer from the discharge distance Z is used as the next discharge distance Z, and the movement speed V is again obtained.
  • the information processing device 80 repeats this adjustment process, using the correction data to change the setting of the movement speed V until the ejection distance Zs is reached.
  • the information control unit 81 determines whether the setting of the modeling process is completed (S250). When the setting of the modeling process is not completed, the information control unit 81 executes the processes from S120 onwards. On the other hand, when the setting of the modeling process is completed in S280, the information control unit 81 stores the settings made up to this point in the memory unit 82 as modeling job information 83, outputs this modeling job information 83 to the printing device 11, etc. (S260), and ends this routine.
  • the information control unit 81 sets the modeling job information 83 to control the moving unit 25 so that the dispensing distance Zs and moving speed Vs are constant when the dispensing distance Z is within a predetermined allowable distance T, and when the dispensing distance Z exceeds the allowable distance T, the moving speed V becomes slower as the dispensing distance Z becomes longer.
  • Figure 11 is a flowchart showing an example of a molded object production processing routine executed by the print control unit 21 of the control device 20.
  • This routine is stored in the memory unit 22, and is executed by the control device 20 after the operator inputs a command to execute the production processing.
  • the printing device 11 executes the modeling job information 23 to perform the 3D modeling processing.
  • the print control unit 21 of the control device 20 first reads and acquires the modeling job information 23 from the memory unit 22 (S300). Note that the print control unit 21 may also acquire modeling job information 83 from the information processing device 80 as the modeling job information 23.
  • the print control unit 21 determines whether it is time to inspect the first ejection unit 30 and the second ejection unit 35 (S310).
  • the inspection timing may be, for example, the start of new production, when a predetermined number of objects, such as five or ten, have been produced, or after a predetermined time, such as 30 minutes or one hour, has passed. If it is now time to inspect, the print control unit 21 executes an inspection process for the first ejection head 32 and/or the second ejection head 37 (S320). In this process, the print control unit 21 executes the inspection process using the inspection unit 55.
  • the print control unit 21 moves a mark substrate having an inspection area 56 below the first ejection head 32 or the second ejection head 37, ejects fluid onto the inspection area 56, and then images the inspection area 56 with the imaging unit 44 to determine the ejection status of the fluid.
  • the print control unit 21 determines whether it is time for maintenance (S330).
  • the maintenance timing may be, for example, when a defective nozzle is found during the inspection process, when a predetermined number of shaped objects, such as five or ten, have been produced, or when a predetermined time, such as 30 minutes or one hour, has passed. If it is currently time for maintenance, the print control unit 21 performs maintenance processing on the first ejection head 32 and/or the second ejection head 37 (S340). In this processing, the print control unit 21 performs maintenance processing on the first ejection unit 30 and the second ejection unit 35 using the first maintenance unit 33 and the second maintenance unit 38. Examples of maintenance processing include flushing the ejection heads and cleaning the nozzle plate with a cleaning member.
  • the print control unit 21 After S340, or if it is not maintenance timing in S330, the print control unit 21 checks the modeling process to be performed based on the modeling job information 23 (S350). If the process to be performed is a structural material ejection process, the print control unit 21 executes a first printing process using the first ejection head 32 (S360). At this time, as shown in Figures 8 to 10, depending on the component height H, either a normal process is executed in which the ejection distance Zs and the movement speed Vs are constant, or an adjustment process is executed in which the movement speed V is adjusted depending on the ejection distance Z. The print control unit 21 then executes a flattening process using the flattening unit 29 and hardens the fluid using the first curing unit 34.
  • the print control unit 21 executes a second printing process using the second ejection head 37 (S370). In the second printing process, either a normal process or an adjustment process is executed depending on the component height H. The print control unit 21 then executes a flattening process using the flattening unit 29 and hardens the fluid using the second curing unit 39. Furthermore, when the process to be executed is a dispenser process, the print control unit 21 executes the dispenser process using the application head 42 (S380). In the dispenser process, the print control unit 21 controls the dispenser 43 to apply underfill U, conductive material B, filler material F, and the like. The print control unit 21 also controls the pressing unit 47 to harden the liquid material.
  • the print control unit 21 executes a carrying-out process and a carrying-in process for the pallet 60 to the mounting device 12 using the mounting transport unit 46 (S390). After carrying the pallet 60 into the mounting device 12, the mounting device 12 executes a placement process for the components P based on the modeling job information 23. Through this mounting process, the components P with component height H are placed on the substrate S. After the mounting process, the print control unit 21 may heat and press the components P using the pressing unit 47 to fix them.
  • the print control unit 21 determines whether the production process is complete (S400). If the production process is not complete, the print control unit 21 executes S310 and subsequent steps. On the other hand, if the production process is complete in S400, this routine ends.
  • the printing device 11 of this embodiment corresponds to an example of the printing device of the present disclosure
  • the first ejection head 32 and the second ejection head 37 correspond to an example of an ejection head
  • the support movement unit 27 corresponds to an example of a movement unit
  • the distance adjustment unit 28 corresponds to an example of a distance adjustment unit
  • the print control unit 21 corresponds to an example of a print control unit
  • the first ejection head 32 corresponds to an example of a structural fluid ejection head
  • the second ejection head 37 corresponds to an example of a conductive fluid ejection head.
  • the information processing device 80 corresponds to an example of an information processing device
  • the information control unit 81 corresponds to an example of an information control unit
  • the modeling job information 23 and the modeling job information 83 correspond to an example of modeling job information
  • the correspondence information 24 and the correspondence information 84 correspond to an example of correspondence information
  • the ejection distance Z corresponds to an example of an ejection distance
  • the movement speed V corresponds to an example of a movement speed
  • the allowable distance T corresponds to an example of an allowable distance.
  • the operation of the printing device 11 and printing system 10 is explained, and examples of the manufacturing method, printing device control method, and information processing method disclosed herein are also clarified.
  • the printing device 11 of this embodiment described above is a three-dimensional modeling device that ejects a fluid onto an object to form a model.
  • This printing device 11 includes a discharge head that ejects the fluid onto the object; a support movement unit 27 that moves the discharge head and the object relatively along a predetermined direction, i.e., the front-to-back direction; a distance adjustment unit 28 that can adjust the discharge distance Z between the discharge head and the object; and a print control unit 21 that executes an adjustment process to control the support movement unit 27 so that the relative movement speed V between the discharge head and the object tends to slow as the discharge distance Z between the discharge head and the object increases, thereby causing the fluid to be ejected from the discharge head.
  • this printing device 11 can more effectively suppress changes in the impact position of the fluid that occur when the discharge distance Z is changed, thereby enabling the object to be more appropriately formed.
  • the print control unit 21 controls the distance adjustment unit 28 and the support movement unit 27 so that the discharge distance Z between the discharge head and the target object and the movement speed V are constant when the discharge distance Z is within a predetermined allowable distance T, and executes an adjustment process when the discharge distance Z exceeds the predetermined allowable distance T.
  • the print control unit 21 executes the adjustment process based on the movement speed V determined using correspondence information 24 that associates the discharge distance Z with the movement speed V. In this printing device 11, it is possible to more simply and appropriately form a modeled object using the correspondence information 24.
  • the print control unit 21 executes modeling job information 23 that is set so that the longer the discharge distance Z between the discharge head and the target object, the slower the relative movement speed V between the discharge head and the target object.
  • This printing device 11 uses the modeling job information 23 to more easily and appropriately model objects.
  • the support movement unit 27 moves the pallet 60 as the target object
  • the distance adjustment unit 28 moves the target object closer to or further away from the discharge head.
  • the discharge head is a first discharge head 32 as a structural fluid discharge head that discharges a fluid that forms a model onto the target object, and/or a second discharge head 37 as a conductive fluid discharge head that discharges a fluid that forms a conductive material onto the target object.
  • the printing system 10 also includes the printing device 11 described above and a mounting device 12 that mounts components P on a modeled object.
  • the distance adjustment unit 28 may be configured to control the dispensing distance Z to a length that exceeds a predetermined allowable distance T based on the component height H of the components P mounted by the mounting device 12.
  • This printing system 10 can more appropriately form a modeled object according to the component height H mounted by the mounting device 12.
  • the printing system 10 also includes the printing device 11 described above and an information processing device 80 that includes an information control unit 81 that sets modeling job information 23 such that the relative movement speed V between the discharge head and the target object tends to slow as the dispensing distance Z between the discharge head and the target object increases.
  • the printing control unit 21 executes the modeling job information 23 set by the information processing device 80.
  • the information processing device 80 sets the modeling job information 23 that adjusts the movement speed V according to the dispensing distance Z. This allows the printing device 11 that executes the modeling job information 23 to more effectively suppress changes in the fluid landing position that accompany changes in the dispensing distance Z, thereby more appropriately forming a modeled object.
  • the information processing device 80 is also used in a printing system 10 having a printing device 11 that ejects a fluid onto an object to form a model.
  • the information processing device 80 includes an information control unit 81 that sets modeling job information 83 with an adjustment tendency such that the longer the ejection distance Z between the ejection head and the object, the slower the relative movement speed V between the ejection head and the object.
  • modeling job information 83 that adjusts the movement speed V according to the ejection distance Z
  • the information processing device 80 can more effectively suppress changes in the fluid landing position that accompany changes in the ejection distance Z in the printing device 11 that executes the job information 83, thereby more appropriately forming a model.
  • the information control unit 81 sets modeling job information 83 that controls the ejection distance Z between the ejection head and the object to a constant value and the movement speed V to a constant value when the ejection distance Z is within a predetermined allowable distance T, and controls the support movement unit 27 with an adjustment tendency when the ejection distance Z exceeds the allowable distance T.
  • a model can be formed more efficiently and appropriately by performing processing that does not take the discharging distance Z into account when the discharging distance Z is within the allowable distance T.
  • the information control unit 81 sets modeling job information 83 that includes the movement speed V determined using correspondence information 84 that associates the discharging distance Z with the movement speed V. In this information processing device 80, a model can be formed more simply and appropriately using the correspondence information 84.
  • printing device 11, information processing device 80, and printing system 10 disclosed herein are in no way limited to the above-described embodiments, and can be implemented in various forms as long as they fall within the technical scope of the present disclosure.
  • the modeling job information 23, 83 is set to execute adjustment processing when the discharge distance Z exceeds the allowable distance T, but this is not particularly limited, and the allowable distance T may not be taken into account.
  • This printing device 11 and information processing device 80 also adjust the movement speed V according to the discharge distance Z, allowing for more appropriate modeling of the object.
  • the modeling job information 23, 83 is set using the correspondence information 84, but this is not particularly limited, and the modeling job information 23, 83 may be set without using the correspondence information 84.
  • the information control unit 81 may, for example, use a predetermined relational expression to determine the movement speed V corresponding to the discharge distance Z.
  • the print control unit 21 may, for example, use a predetermined relational expression to execute the modeling process at the movement speed V corresponding to the discharge distance Z.
  • FIG. 12 is a flowchart showing an example of another object production processing routine executed by the print control unit 21.
  • This object production processing routine is substantially the same as the object production job setting processing routine of FIG. 7, and the same processes are assigned the same step numbers, and detailed descriptions thereof will be omitted.
  • the print control unit 21 executes processing under the set conditions at S440, S470, S490, and S530.
  • this print control unit 21 by adjusting the movement speed V according to the dispensing distance Z, changes in the fluid landing position that accompany changes in the dispensing distance Z can be further suppressed, and an object can be more appropriately formed.
  • the support movement unit 27 moves the support unit 26 back and forth to move the discharge head and the target object relatively, but it may also move the discharge head back and forth.
  • the distance adjustment unit 28 moves the support unit 26 up and down to move the discharge head and the target object relatively closer to and farther from each other in the vertical direction, but it may also move the discharge head relatively closer to and farther from each other in the vertical direction.
  • the discharge head includes the first discharge head 32, which is a structural fluid discharge head, and the second discharge head 37, which is a conductive fluid discharge head, but this is not particularly limited, and one of them may be omitted, or other discharge heads may be included.
  • the information processing device 80 is the information processing device that sets the modeling job information 83, but this is not particularly limited.
  • the control device 20 may be the information processing device that sets the modeling job information 23.
  • the printing system 10 may include the printing device 11 and the mounting device 12, but may not include the information processing device 80.
  • the present disclosure has been described as a printing system 10, but it is not particularly limited to this, and may be a printing device 11 only, or an information processing device 80 only. Furthermore, in the above-described embodiment, the printing system 10, printing device 11, and information processing device 80 are described, but the present disclosure may also be a method for manufacturing a shaped object, a method for controlling the printing device 11, an information processing method, or a program thereof.
  • the manufacturing method of the present disclosure includes: a printing device that ejects a fluid onto a target object, a moving unit that moves the ejection head and the target relatively in a predetermined direction, and a distance adjustment unit that can adjust the ejection distance between the ejection head and the target, the printing device discharging the fluid onto the target to form a shaped object, the manufacturing method being executed by a computer, a step of discharging the fluid from the discharge head by executing an adjustment process to control the moving unit so that the relative moving speed between the discharge head and the object tends to become slower as the discharge distance between the discharge head and the object becomes longer; It includes:
  • this manufacturing method by adjusting the movement speed according to the dispensing distance, it is possible to further suppress changes in the fluid landing position that accompany changes in the dispensing distance, and to more appropriately form a modeled object.
  • this manufacturing method may employ various aspects of any of the printing devices, information processing devices, and printing systems described above, or may include additional steps that realize the functions of any of the printing devices, information processing devices, and printing systems described above.
  • the information processing method of the present disclosure includes: an information processing method used in a printing system having a printing device that ejects a fluid onto an object to form a model, the printing system comprising: an ejection head that ejects a fluid onto an object; a movement unit that moves the ejection head and the object relatively in a predetermined direction; and a distance adjustment unit that can adjust an ejection distance between the ejection head and the object; setting modeling job information that has an adjustment tendency such that the relative movement speed between the discharge head and the object becomes slower as the discharge distance between the discharge head and the object becomes longer; It includes:
  • this information processing method by setting modeling job information that adjusts the movement speed according to the dispensing distance, it is possible to further suppress changes in the fluid landing position that accompany changes in the dispensing distance in the printing device that executes the modeling job information, thereby enabling a more appropriate modeling of the object.
  • this information processing method may employ various aspects of any of the printing devices, information processing devices, and printing systems described above, or may include additional steps that realize the functions of any of the printing devices, information processing devices, and printing systems described above.
  • This disclosure is applicable to the technical field of devices that eject fluids and manufacture shaped objects.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)

Abstract

L'invention concerne un dispositif d'impression évacuant un fluide sur un objet pour former un objet formé et comprenant une tête d'évacuation qui évacue le fluide sur l'objet, un dispositif de déplacement qui déplace la tête d'évacuation et l'objet l'un par rapport à l'autre le long d'une direction prescrite, un dispositif de réglage de distance qui peut raccourcir et allonger la distance d'évacuation entre la tête d'évacuation et l'objet, et un dispositif de commande d'impression qui : exécute un traitement de réglage qui commande le dispositif de déplacement pour ralentir la vitesse de déplacement relatif entre la tête d'évacuation et l'objet à mesure que la distance d'évacuation entre la tête de décharge et l'objet grandit ; et amène la tête d'évacuation à évacuer le fluide.
PCT/JP2024/001834 2024-01-23 2024-01-23 Dispositif d'impression, dispositif de traitement d'informations, système d'impression, procédé de production et procédé de traitement d'informations Pending WO2025158529A1 (fr)

Priority Applications (1)

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PCT/JP2024/001834 WO2025158529A1 (fr) 2024-01-23 2024-01-23 Dispositif d'impression, dispositif de traitement d'informations, système d'impression, procédé de production et procédé de traitement d'informations

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229318A (ja) * 2014-06-06 2015-12-21 株式会社ミマキエンジニアリング 印刷装置及び印刷方法
WO2018109832A1 (fr) * 2016-12-13 2018-06-21 株式会社Ｆｕｊｉ Dispositif de conversion de données et système de mise en forme par stratification

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229318A (ja) * 2014-06-06 2015-12-21 株式会社ミマキエンジニアリング 印刷装置及び印刷方法
WO2018109832A1 (fr) * 2016-12-13 2018-06-21 株式会社Ｆｕｊｉ Dispositif de conversion de données et système de mise en forme par stratification

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