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WO2019228281A1 - 一种3dp打印设备、该设备的生产线及其循环打印方法 - Google Patents

一种3dp打印设备、该设备的生产线及其循环打印方法 Download PDF

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Publication number
WO2019228281A1
WO2019228281A1 PCT/CN2019/088412 CN2019088412W WO2019228281A1 WO 2019228281 A1 WO2019228281 A1 WO 2019228281A1 CN 2019088412 W CN2019088412 W CN 2019088412W WO 2019228281 A1 WO2019228281 A1 WO 2019228281A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
roller table
work box
intermediate transfer
production line
Prior art date
Application number
PCT/CN2019/088412
Other languages
English (en)
French (fr)
Inventor
彭凡
刘轶
周志军
蒙南华
李政杰
Original Assignee
共享智能铸造产业创新中心有限公司
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
Priority claimed from CN201810520974.0A external-priority patent/CN108480562B/zh
Priority claimed from CN201820799671.2U external-priority patent/CN208357731U/zh
Application filed by 共享智能铸造产业创新中心有限公司 filed Critical 共享智能铸造产业创新中心有限公司
Priority to RU2020139991A priority Critical patent/RU2760771C1/ru
Priority to KR1020207036148A priority patent/KR102511415B1/ko
Priority to US16/487,416 priority patent/US11312077B2/en
Publication of WO2019228281A1 publication Critical patent/WO2019228281A1/zh

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    • 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
    • B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C9/00—Other milling methods or mills specially adapted for grain
    • B02C9/02—Cutting or splitting grain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • 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
    • 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
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/227—Driving means
    • B29C64/236—Driving means for motion in a direction within the plane of a layer
    • 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
    • B29C64/25—Housings, e.g. machine housings
    • 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
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • 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
    • B29C64/35—Cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • the present application relates to the technical field of additive manufacturing, and in particular, to a 3DP printing device, a production line of the device, and a cycle printing method thereof.
  • the working efficiency of 3DP printing equipment is not only related to the design of the device itself, but also to the layout of the production line at the production site and its auxiliary systems.
  • the unreasonable layout of the production line of the 3DP printing equipment is a key factor restricting the efficiency of 3DP.
  • the purpose of the present application includes, for example, in order to solve the problem that the 3DP printing device is not set properly in the prior art and restricts the 3DP printing efficiency, to provide a 3DP printing device that is convenient for intensive production line layout to improve the production efficiency of 3DP printing.
  • the purpose of this application also includes providing a production line using the 3DP printing device, which can effectively improve the production efficiency of 3DP printing.
  • the object of the present application is also to provide a circular printing method for the production line, by which the production efficiency of 3DP printing can be effectively improved.
  • An embodiment of the present application provides a 3DP printing device, including a frame assembly and a powder coating unit, a powder supply device, an inkjet unit, an inkjet motion system, a work box, a transfer unit, and an internal lifting mechanism installed on the frame assembly.
  • An external lifting mechanism, an accessory unit and an auxiliary unit wherein the frame assembly includes an upper frame and a lower frame, and the powder spreading unit is connected to the lower frame through the powder spreading motion system and can move in the Y direction.
  • the inkjet unit is connected to the upper frame through the inkjet motion system and can reciprocate in the X and Y directions.
  • the transfer unit includes an outer roller table and an inner roller table configured to convey a work box and has a driving mechanism.
  • the inner roller table is disposed in the lower frame on the lower side of the powder spreading unit, the outer roller table is connected to the inner roller table, and the inner lifting mechanism is provided below the inner roller table; Side, the outer lifting mechanism is disposed on the lower side of the outer roller table.
  • the 3DP printing equipment and work box in the embodiment of the present application mainly contain powdery materials and printing models that participate in sand printing; an internal lifting mechanism mainly participates in the lifting movement of the material surface during the printing process of the equipment; external lifting The mechanism mainly participates in the lifting movement during the subsequent processing of the model after the printing of the equipment is completed; the outer roller table mainly participates in the support of the work box and the movement of the work box to the post-processing station after the powder printing is completed; the inner roller Road, which mainly participates in the support of the work box in the print area and the movement of the work box out of the print area; the lower frame is mainly configured to fix the internal lifting mechanism, the inner roller table and the necessary auxiliary units; the upper frame is mainly configured to support the shop.
  • Powder movement system, powder coating unit and necessary protective devices which mainly participates in the X and or Y direction movement of the inkjet unit in the printing area
  • powder coating unit which mainly participates in spraying powder onto the work box.
  • the powder area and the powder falling to the powder spreading area are scraped flat
  • the powder supply device mainly participates in mixing the powder and the additives uniformly and then supplies the powder spreading unit
  • the auxiliary unit mainly includes a cleaning device and a cleaning device, wherein the cleaning device is mainly configured to remove impurities that affect the liquid sprayed on the nozzle of the inkjet unit during printing, and protect the inkjet unit when it is idle;
  • the cleaning device is configured to clean and scrape the sand-scraped floor of the powder coating unit;
  • the inkjet unit mainly participates in coating the substance (solid and / or liquid and / or gaseous) in the container with the slice pattern area according to the slice pattern area.
  • the work box when performing 3DP printing, the work box is conveyed to the printing station through the outer roller table and the inner roller table.
  • the 3DP powder printing of the model can be completed according to the printing program of the device.
  • the work box is pushed to the inner roller table by the inner lifting mechanism, and then conveyed to the outer roller table through the inner roller table.
  • the loose sand is removed at the outer roller table and the outer lifting mechanism by means of sand blowing and sand cleaning devices, and then the work box is removed. Transfer the printed model together, then transfer the empty work box to the outer roller table, and then transport it to the printing station via the inner roller table for the next 3DP printing.
  • a sand removal device is provided on the lateral side of the outer lifting mechanism of the 3DP printing device.
  • the powder supply device is connected to the upper frame and is configured to supply powder to the powder spreading unit.
  • the upper frame is configured to support the powder spreading motion system and the powder spreading unit.
  • the lower frame is configured to fix the inner lifting mechanism, the inner roller table, and the auxiliary unit.
  • the assisting unit includes a cleaning device and a cleaning device, and the cleaning device is configured to remove impurities that affect the ejection liquid that are deposited on the nozzle of the inkjet unit during printing; the cleaning device The sand scraping bottom plate of the powder spreading unit is configured to clean and wipe away impurities.
  • This embodiment also provides a production line using the above-mentioned multiple 3DP printing devices, and further includes an intermediate transfer device, and there are several 3DP printing devices on each side of the intermediate transfer device, and each of the 3DP printing devices
  • a transition roller table is provided at a junction between the outer roller table and the intermediate transfer device, and both ends of the intermediate transfer device along the transfer conveying direction extend to the outside of the area where the 3DP printing device is arranged in the same direction.
  • One end of the intermediate transfer device is provided with an empty work box collecting and distributing roller path vertically, and the other end of the intermediate transfer device is provided with an intermediate work roller and the intermediate transfer device is connected with the empty work box collecting roller table and the intermediate roller.
  • a first reversing device and a second reversing device are respectively provided at the positions where the roads intersect perpendicularly.
  • the empty work box collecting and distributing rollers are symmetrically extended to both ends to the outside of the area where the 3DP printing device is arranged in the direction and pass through the first
  • the three reversing device is connected with the empty work box transfer roller table, and the conveyance direction of the empty work box transfer roller table is perpendicular to the conveyance direction of the empty work box collecting roller table; the middle A storage area is provided in a region where the roller table and the corresponding empty work box transfer roller table intersect perpendicularly; two sides of each of the intermediate roller tables are respectively provided with a baking device, and the outer lifting mechanism of the 3DP printing equipment Each side is provided with a sand cleaning device.
  • the production line layout system of this embodiment centrally plans and arranges multiple 3DP printing equipment and baking devices, and connects them into a closed-loop production system through multiple transport and transfer routes, reducing the idle time of individual equipment during production and improving the equipment's Use efficiency to achieve efficient 3DP printing.
  • a plurality of work boxes are arranged on the empty work box collecting and distributing roller table, and the total number of the work boxes is 1.5-2 times that of the 3DP printing device.
  • both ends of the intermediate roller table are provided with the storage area.
  • a plurality of the 3DP printing devices are arranged between the intermediate transfer device and the empty work box transfer roller table, and the plurality of 3DP printing devices are evenly distributed along the transfer and conveying direction of the intermediate transfer device.
  • this embodiment also provides a method for cyclic printing of the above production line, which includes the following process: At the beginning of printing, the starting position of the empty work box is an empty work box collecting roller, and when the production line When there is an idle 3DP printing device waiting to be printed, the empty work box is conveyed from the empty work box collecting roller to the intermediate transfer device via the first reversing device, and then transferred to the corresponding 3DP printing device.
  • the printed model is stored in the storage area in a centralized manner; after the printed model is removed from the work box in the storage area, the work box is transferred via the empty work box transfer roller and passed through the first Three reversing devices, return to the work box collecting and distributing roller table and wait for the next printing.
  • the cyclic printing method of this embodiment according to the idle conditions of the 3DP printing equipment and the baking device on the production line, the empty work boxes and the work boxes to be baked are delivered to the corresponding idle devices in time, so that the main equipment on the production line is used. The rate is high, which improves the efficiency of the production line.
  • This embodiment also provides a second production line using the above 3DP printing device, and further includes an intermediate transfer device.
  • the intermediate transfer device is provided with a plurality of the 3DP printing devices on both sides, and the 3DP printing device is lifted externally.
  • the side of the mechanism is respectively provided with a sand cleaning device, and a transition roller is provided at the joint between the outer roller table of each of the 3DP printing equipment and the intermediate transfer device, and the two ends of the intermediate transfer device along the transfer conveying direction are respectively Extending to the outside of the area where the 3DP printing device is arranged in the same direction, one end of the intermediate transfer device is provided with a first reversing device, and one side of the first reversing device is provided with a buffer roll table for a work box to be baked, The other side of the first reversing device is provided with parallel-arranged transfer rollers and work box collecting rollers, and the other end of the transfer roller and the work box collecting rollers is provided with a storage area.
  • the first reversing device is provided with a baking device outside the intermediate transfer device.
  • the above production line layout plan centrally plans and arranges multiple 3DP printing equipment and baking devices, and connects them into a semi-closed loop production system through two vertical transmission lines, reducing the idle time of individual equipment during production and improving The use efficiency of the device, thus achieving efficient 3DP printing.
  • a plurality of the 3DP printing devices are evenly distributed along a transfer conveying direction of the intermediate transfer device.
  • the conveying direction of the transfer roller table, the conveying direction of the work box collecting and distributing roller table, and the conveying direction of the work box unloading roller table are parallel, and the conveying direction of the intermediate conveying device is the same as The conveying direction of the roll table of the work box to be baked is vertical.
  • This embodiment also provides a cyclic printing method using the above-mentioned second production line: the starting position of the work box at the beginning of printing is the work box collecting and rolling table, and when there is an idle 3DP printing device on the production line, the empty said The work box enters the outer roller table and the inner roller table of the 3DP printing device which are idle through the first reversing device and the intermediate transfer device to enter a printing area for 3DP printing; the work after printing is completed The box chooses one of the two lines according to the curing requirements of the materials in the box. The first line is the work box to remove loose sand at the external lifting mechanism, and then the work box is passed through.
  • the intermediate transfer device and the first reversing device enter the baking device for baking, and the work box after baking enters the storage via the first reversing device and the transfer roller table. Area, the model printed in the work box is moved and stored in the storage area, and the empty work box is returned to the work box collecting and rolling table, waiting for the next cycle printing; the second line is the work Box from The outer roller table of the 3DP printing equipment enters the intermediate transfer device, enters the baking device after passing through the first reversing device, and the work box after baking is passed through the first reversing device.
  • the intermediate transfer device returns to the external lifting mechanism of the 3DP printing equipment idle in the production line to remove loose sand, and then passes through the intermediate transfer device, the first reversing device, and the transfer
  • the roller model is moved to the storage area to remove the print model in the work box and stored in the storage area, and the empty work box is returned to the work box collection and distribution roller table, waiting for the next cycle printing.
  • the cyclic printing method of the above-mentioned production line of this embodiment combines two different printing curing materials and the bonding and curing time of the printing materials, and provides two different cyclic printing lines to meet the requirements of different curing times.
  • the first one is Circuit, suitable for 3DP printing of powder printing materials with short curing time
  • the second circuit is suitable for 3DP printing of powder printing materials with long curing time.
  • the work box when performing 3DP printing, the work box is conveyed to the printing station through the outer roller table and the inner roller table.
  • the 3DP powder printing of the model can be completed according to the printing program of the device.
  • the work box is pushed to the inner roller table by the inner lifting mechanism, and then conveyed to the outer roller table through the inner roller table.
  • the loose sand is removed at the outer roller table and the outer lifting mechanism by means of sand blowing and sand cleaning devices, and then the work box Transfer the printed model together, then transfer the empty work box to the outer roller table, and then transport it to the printing station via the inner roller table for the next 3DP printing.
  • the 3DP printing device is convenient for intensive production line layout and can improve the production efficiency of 3DP printing.
  • This embodiment adopts the first production line of the above 3DP printing equipment, centrally planning and arranging multiple 3DP printing equipment and baking devices, and connecting them into a closed-loop production system through multiple transport and transfer routes, reducing the number of individual equipment in production. Idle time, improve the use efficiency of the device, so as to achieve efficient 3DP printing.
  • This embodiment adopts the above-mentioned circular printing method of the first production line. According to the idle conditions of the 3DP printing equipment and the baking device on the production line, the empty work boxes and the work boxes to be baked are delivered to the corresponding idle devices in time, so that The high utilization rate of each main equipment on the production line improves the efficiency of the production line.
  • This embodiment adopts the second production line of the above 3DP printing equipment, centrally planning and arranging multiple 3DP printing equipment and baking devices, and connecting them into a closed-loop production system through multiple transport and transfer routes, reducing the number of individual equipment in production. Idle time, improve the use efficiency of the device, so as to achieve efficient 3DP printing.
  • This embodiment adopts the second cycle printing method of the above-mentioned production line.
  • This cycle printing method combines two different powder printing materials for printing and different bonding and curing times of printing materials, and provides two different cycle printing lines to suit different curing.
  • FIG. 1 is a schematic structural diagram of a 3DP printing device of this embodiment
  • FIG. 2 is a schematic diagram of a working route of a powder spreading unit and an inkjet unit of the 3DP printing device of this embodiment
  • FIG. 3 is a schematic diagram of a movement direction of a work box entering a printing area
  • FIG. 4 is a schematic layout diagram of a first production line of a 3DP printing device according to this embodiment
  • FIG. 5 is a schematic layout diagram of a second production line of the 3DP printing device of this embodiment.
  • Icons 1-3DP printing equipment; 10-work box; 20-inner lifting mechanism; 30-outer lifting mechanism; 40-outer roller table; 50-inner roller table; 60-lower frame; 70-upper frame; 80 -Inkjet motion system; 90- powder coating unit; 100- powder supply device; 110- cleaning device; 120- cleaning device; 130- inkjet unit; 2- intermediate transfer device; Empty work box transfer roller table; 5-storage area; 6-intermediate roller table; 7-baking device; 8-first reversing device; 9-second reversing device; 11-third reversing device; 12- Transfer roller table; 13-The work box to be baked is transferred to the roller table.
  • a 3DP printing device 1 includes a frame assembly and a powder coating unit 90, a powder supply device 100, an inkjet unit 130, and an inkjet motion system installed on the frame assembly.
  • Work box 10 transfer unit, inner lifting mechanism 20, outer lifting mechanism 30, auxiliary unit and auxiliary unit, wherein the frame assembly includes an upper frame 70 and a lower frame 60, and the powder spreading unit 90 is connected by a powder spreading motion system
  • the inkjet unit 130 is connected to the upper frame 70 through the inkjet motion system 80 and can reciprocate in the X and Y directions.
  • the transfer unit includes a configuration to transport the work box 10 and has a drive.
  • the outer roller table 40 and the inner roller table 50 of the mechanism are arranged in the lower frame 60 under the powder coating unit 90.
  • the outer roller table 40 and the inner roller table 50 are connected to facilitate the transportation of the work box 10 and the inner lifting
  • the mechanism 20 is provided on the lower side of the inner roller table 50, and the outer lifting mechanism 30 is provided on the lower side of the outer roller table 40, so as to facilitate the lifting of the work box 10.
  • the inkjet unit 130 can move in two directions of X and Y to realize a closed-loop printing motion on a powder coating layer; the inkjet unit 130 is fixed to the movement of the inkjet motion system 80 On the unit, the inkjet unit 130 is driven by the motion unit of the inkjet motion system 80 to complete the reciprocating movement in the X direction and the Y direction; the direction of the printing closed loop path of the inkjet unit 130 in this embodiment can be along X ⁇ Y ⁇ X ⁇ Y movement or inkjet printing along Y ⁇ X ⁇ Y ⁇ X or X and Y movement simultaneously.
  • the powder-spreading unit 90 is driven by the powder-spreading movement system to reciprocate powder-spreading in the Y direction. For example, as shown in FIG. 2, the powder spreading unit 90 performs powder spreading movement in the direction of A ⁇ B. After completing one layer of powder spreading, it stops at the end of the powder spreading, and the inkjet unit 130 is completed along C ⁇ D ⁇ E ⁇ F ⁇ C. A printing cycle, in which D ⁇ E and F ⁇ C are line feed strokes that the print head does not print; after the inkjet printing is finished, the internal lifting mechanism 20 drives the bottom plate of the work box 10 to lower the powder layer and start the second layer printing. After the printing is finished, the sand is discharged and baked through the inner roller table 50 and the outer roller table 40.
  • a sand removal device is provided on the lateral side of the outer lifting mechanism 30 of the 3DP printing apparatus 1.
  • the powder supply device 100 is connected to the upper frame 70 and is configured to supply powder to the powder spreading unit 90.
  • the upper frame 70 is configured to support the powder spreading motion system and the powder spreading unit 90.
  • the lower frame 60 is configured to fix the inner lifting mechanism 20, the inner roller table 50, and the auxiliary unit.
  • the auxiliary unit includes a cleaning device 110 and a cleaning device 120.
  • the cleaning device 110 is configured to remove impurities that affect the ejection liquid that are applied to the nozzles of the inkjet unit 130 during printing; the cleaning device 120 is configured to Scrap the bottom plate for cleaning and wiping off impurities.
  • the work box 10 mainly contains powdery materials and printing models participating in sand printing; the internal lifting mechanism 20 mainly participates in the lifting movement of the material surface during the printing process of the equipment; the external lifting mechanism 30, Mainly participate in the lifting movement of the model during the subsequent processing after the printing of the equipment is completed; the outer roller table 40 mainly participates in the support of the work box 10 and the movement of the work box 10 to the post-processing station after the powder coating printing is completed; the inner The roller table 50 mainly participates in the support of the work box 10 in the printing area and the movement of the work box 10 out of the printing area; the lower frame 60 is mainly configured to fix the internal lifting mechanism 20, the internal roller table 50 and necessary auxiliary units; the upper layer The frame 70 is mainly configured to support the powder spreading movement system, the powder spreading unit 90 and necessary protective devices; the inkjet motion system 80 mainly participates in the X and or Y direction movement of the inkjet unit 130 in the printing area; the powder spreading unit 90 , Mainly involved in spraying the powder
  • a production line using the 3DP printing device 1 of Embodiment 1 is arranged.
  • the production line further includes an intermediate transfer device 2, and there are several 3DP printing devices 1 described in Example 1 on both sides of the intermediate transfer device 2.
  • Each 3DP printing device 1 is provided with transition rollers at the joint between the outer roller table 40 and the intermediate transfer device 2.
  • the two ends of the intermediate transfer device 2 along the transfer conveying direction are respectively extended to the 3DP printing device 1 in the same direction.
  • one end of the intermediate transfer device 2 is provided with an empty work box collecting and distributing roller table 3 vertically, and the other end of the intermediate transfer device 2 is provided with an intermediate work roller 6 and the intermediate transfer device 2 is connected with the empty work box collecting roller table 3 and the intermediate roller table.
  • the first and second reversing devices 8 and 9 are respectively provided at the perpendicular intersections.
  • the empty work box collecting and distributing rollers 3 extend symmetrically to both ends to the outside of the 3DP printing device 1 area in this direction and pass the third
  • the reversing device 11 is connected to the empty work box transfer roller table 4, and the conveying direction of the empty work box transfer roller table 4 is perpendicular to the empty work box collecting and distributing roller table 3; the middle roller table 6 and the corresponding empty work box transfer roller table 4 perpendicularly intersecting
  • a plurality of empty work boxes 10 are provided on the empty work box collecting and distributing roller table 3, and the total number of the work boxes 10 is 1.5-2 times the total number of the 3DP printing equipment 1 arranged on the production line to meet the production line. Need for loop printing. For example, when the number of 3DP printing devices 1 is 1, the number of work boxes 10 is 2, when the number of 3DP printing devices 1 is 2, the number of work boxes 10 is 3 or 4, and when the number of 3DP printing devices 1 is At 3 o'clock, the number of work boxes 10 is 5 or 6.
  • both ends of the intermediate roller table 6 are provided with a storage area 5.
  • a plurality of 3DP printing devices 1 are arranged between the intermediate transfer device 2 and the empty work box transfer roller table 4, and the 3DP printing devices 1 are evenly distributed along the transfer and conveying direction of the intermediate transfer device 2.
  • the production line layout system of the present application sets a suitable number of baking devices 7 on both sides of the intermediate roller 6 and is configured to pair the internal powder and inkjet liquid of the model after 3DP printing.
  • a plurality of empty work boxes 10 are parked on the collecting and distributing roller table 3 of the empty work box.
  • the work boxes 10 are configured to be conveyed to each of the 3DP printing devices 1 to be printed for powder printing.
  • the storage area 5 is configured to store the prints and bake them. Model products after baking.
  • the production line layout system of the present application centrally plans and arranges multiple 3DP printing devices 1 and baking devices 7, and connects them into a closed-loop production system through multiple transport and transfer routes to make the work
  • the box 10 is cyclically used on the production line and is supplied to the idle 3DP printing equipment 1 in a timely manner, which reduces the idle time of each equipment during production and improves the equipment use efficiency, thereby achieving efficient 3DP printing on the production line.
  • This embodiment is a cyclic printing method for a 3DP printing production line in Embodiment 2.
  • the process includes the following process: At the beginning of printing, the starting position of the empty work box 10 is the empty work box collecting and distributing roller table 3. When the production line is idle waiting for printing, When the 3DP printing device 1 is used, the empty work box 10 is transported from the empty work box collecting and distributing roller table 3 to the intermediate transfer device 2 through the first reversing device 8 and then transferred to the corresponding 3DP printing device 1 outer roller table 40.
  • the storage area 5 After baking, it is transferred to the storage area 5 through the middle roller table 6 to store the printed models in the storage area 5; 5, printed by manual or dynamic equipment
  • the working tank empty space 10 via a transport roller transport working tank 4, and the reversing device 11 via the third, back to the working tank distributed next print roller 3 waiting.
  • the empty work box 10 and the work box 10 to be baked are delivered to the corresponding idle equipment in time, so that the main production lines Increased equipment utilization, thereby increasing the efficiency of the production line.
  • the second case of the production line using the 3DP printing device 1 of the embodiment 1 further includes an intermediate transfer device 2, and there are several 3DP printing devices 1 on each side of the intermediate transfer device 2, each 3DP printing
  • the outer lifting mechanism 30 of the equipment 1 is respectively provided with a sand removal device.
  • a transition roller is provided at the joint between the outer roller table 40 of the 3DP printing device 1 and the intermediate transfer device 2.
  • the intermediate transfer device 2 conveys along the transfer. The two ends of the direction respectively extend to the outside of the area where the 3DP printing device 1 is arranged in the same direction.
  • One end of the intermediate transfer device 2 is provided with a first reversing device 8 and one side of the first reversing device 8 is provided with a work box to be baked.
  • the storage roller table 13, the other side of the first reversing device 8 is provided with a parallel arrangement of the transfer roller table 12 and the work box distribution roller table 3, and the other end of the transfer roller table 12 and the work box collection roller table 3 is provided with storage.
  • the first reversing device 8 is provided with a baking device 7 on the outside of the intermediate transfer device 2.
  • the transfer roller table 12 and the work box distribution roller table 3 are both linear, and the storage area 5 is located at an end of the transfer roller table 12 and the work box distribution roller table 3 away from the first reversing device 8.
  • a plurality of 3DP printing devices 1 are evenly distributed along the transfer conveying direction of the intermediate transfer device 2.
  • the conveying direction of the transfer roller table 12, the conveying direction of the work box collecting and conveying roller table 3, and the conveying direction of the work box transfer roller table 13 to be baked are parallel, and the conveying direction of the intermediate transfer device 2 and the work box transfer roller table to be baked.
  • the conveying direction of 13 is vertical.
  • This embodiment is a cyclic printing method using the production line arrangement of this embodiment 4, including the following processes: the starting position of the work box 10 at the beginning of printing is the work box collecting and distributing roller table 3, and when there is an idle 3DP printing device 1 on the production line At this time, the empty work box 10 enters the idle 3DP printing device 1's outer roller table 40 and inner roller table 50 via the first reversing device 8 and the intermediate transfer device 2 into the printing area for 3DP printing; the printed work box 10 Choose one of the two lines according to the curing requirements of the materials in the box. The first line is the work box 10 to remove loose sand at the external lifting mechanism 30. The cleaned work box 10 is then transferred through the middle. Device 2 arrives at the first reversing device 8.
  • the baking device 7 When the baking device 7 is idle, it directly enters the baking device 7 for baking.
  • the work box 10 to be baked is transferred to the to-be-baked work.
  • the box transfers to the roller table 13 and waits for the baking device 7 to be idle, and then transfers to the baking device 7.
  • the baked working box 10 then enters the storage area 5 through the first reversing device 8 and the transfer roller table 12, and the working box is transferred.
  • the empty work box 10 returns to the work box collecting roller table 3 and waits for the next cycle printing; the second line is that the work box 10 enters the intermediate transfer device 2 from the outer roller table 40 of the 3DP printing device 1 and reaches the first
  • the reversing device 8 directly enters the baking device 7 for baking when the baking device 7 is idle.
  • the work box 10 to be baked is transferred to the work roller to be transferred 13
  • transfer to the baking device 7, and the work box 10 after baking is returned to the external lifting of the idle 3DP printing equipment 1 in the production line through the first reversing device 8 and the intermediate transfer device 2
  • the loose sand is removed at the mechanism 30, and then the printed model in the work box 10 is removed and stored in the storage area 5 through the intermediate transfer device 2, the first reversing device 8 and the transfer roller table 12 to the storage area 5, and the empty work box 10 Return to the work box collecting and distributing roller table 3 and wait for the next cycle printing.
  • the cyclic printing method of the above-mentioned production line of the present application combines the difference in the curing time of the powder coating material and the printing material for printing, and provides two different cyclic printing lines to meet the requirements of different curing times.
  • the first line is For the 3DP printing of powder printing materials with short curing time
  • the second line is suitable for the 3DP printing of powder printing materials with long curing time.
  • the 3DP printing device 1 shown in FIG. 1 includes a work box 10, an inner lifting mechanism 20, an outer lifting mechanism 30, an outer roller table 40, an inner roller table 50, a lower frame 60, an upper frame 70, and a sprayer.
  • the work box 10 can enter or exit the lower layer through an outer roller table 40 and an inner roller table 50 having a driving mechanism Frame 60, the inner lifting mechanism 20 is disposed below the inner roller table 50, the outer lifting mechanism 30 is disposed below the outer roller table 40, and the lower frame 60 is connected to the inner lifting mechanism 20, the inner roller table 50, and necessary auxiliary units;
  • the upper frame 70 is connected to the powder-spreading movement system, the powder-spreading unit 90 and necessary protective devices;
  • the inkjet motion system 80 is connected to the upper-level frame 70;
  • the powder-spreading unit 90 is connected to the lower-level frame 60;
  • the powder supply device 100 is
  • the powder spreading unit 90 performs powder spreading movement in the direction of A ⁇ B, and the inkjet unit 130 completes a printing cycle along C ⁇ D ⁇ E ⁇ F ⁇ C, where , D ⁇ E and F ⁇ C are line feed strokes that the print head does not print.
  • the work box 10 passes through the action of the outer roller table 40 and the outer lifting mechanism 30 in the direction of G ⁇ H and enters the inner roller table 50 below the upper frame 70. Thereby entering the printing area.
  • FIG. 4 illustrates a production line using the above-mentioned 3DP printing equipment 1, which includes a plurality of 3DP printing equipment 1, an intermediate transfer device 2, a work box collecting and distributing roller table 3, and an empty working box transferring roller table 4.
  • Warehousing area 5 intermediate roller table 6, baking device 7, first reversing device 8, second reversing device 9, third reversing device 11, transfer roller table 12, and work box transfer roller table 13;
  • the intermediate transfer device 2 is linear (that is, its conveying direction is straight), and its two ends are respectively provided with a work box collecting roller table 3 and an intermediate roller table 6, and a work box collecting roller table 3 and an intermediate roller table 6 It is also linear and is perpendicular to the intermediate transfer device 2.
  • the first intersection device 8 is provided at the vertical intersection position of the intermediate transfer device 2 and the work box collecting and distributing roller table 3.
  • a second reversing device 9 is provided; an intermediate transfer device 2, a work box collecting and distributing roller table 3, an intermediate roller table 6, and two empty work box transfer roller tables 4 are distributed in a "Japanese" shape, and several 3DP printing devices 1 It is located between the intermediate transfer device 2 and the empty work box transfer roller table 4.
  • the printing equipment 1 is distributed along the conveying direction of the intermediate transfer device 2.
  • the storage rollers 5 are provided at both ends of the intermediate roller table 6. One end of the empty work box transfer roller table 4 passes through the third reversing device 11 and the work box collecting roller table 3.
  • the empty work box transfer roller table 4 is linear and is perpendicular to the work box collecting and rolling table 3, and the two sides of the middle roller table 6 are provided.
  • FIG. 5 illustrates another production line using the above-mentioned 3DP printing device 1, which includes several 3DP printing devices 1, an intermediate transfer device 2, a work box collecting and distributing roller table 3, a storage area 5, and baking Device 7, the first reversing device 8, the transfer roller table 12, and the to-be-baked work box transfer roller table 13;
  • the intermediate transfer device 2 is linear (that is, its conveying direction is linear), and the intermediate transfer device 2
  • One side of one end is provided with a work box transfer roll table 13 to be baked
  • the other side of the intermediate transfer device 2 is provided with a transfer roller table 12 and a work box collection and distribution roller table 3, and the work box to be baked transfer table 13
  • the first changing device 8 is provided with a baking device 7 outside the intermediate transfer device 2; the transfer roller table 12 A warehouse is provided at one end of the work box collecting and distributing roller table 3 away from the intermediate transfer device 2 Region 5; both sides of the intermediate transfer device 2 are distributed a plurality of sets of 3DP printing apparatus 1, a plurality of sets of 3DP printing apparatus 1 in the conveying direction of the intermediate transfer device 2 distribution.
  • the present application provides a 3DP printing device, a production line of the device, and a circular printing method thereof.
  • the structure is simple and the design is reasonable, which can effectively improve the production efficiency of 3DP printing.

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Abstract

一种3DP打印设备，包括框架组件和安装于框架组件上的铺粉单元(90)、铺粉运动系统、供粉装置(100)、喷墨单元(130)、喷墨运行系统(80)、工作箱(10)、转运单元、内举升机构(20)、外举升机构(30)、附属单元和辅助单元。以及3DP打印设备的生产线及其循环打印方法。上述生产线将多台3DP打印设备集中布置形成高效打印的生产线系统，多台3DP打印设备、烘烤装置集中规划布置，通过多条输送转运路线，连接成一个闭环的生产系统，减少生产进行中个别设备的空闲时间，提高设备的使用效率，从而实现高效的3DP打印。

Description

一种3DP打印设备、该设备的生产线及其循环打印方法
相关申请的交叉引用
本申请要求于2018年05月28日提交中国专利局的申请号为CN201810520974.0、名称为“一种3DP打印设备、该设备的生产线及其循环打印方法”和于2018年05月28日提交中国专利局的申请号为CN201820799671.2、名称为“一种3DP打印设备、该设备的生产线”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及增材制技术领域，特别涉及一种3DP打印设备、该设备的生产线及其循环打印方法。
背景技术
3D打印技术作为增材制造方法的一种，在现代制造业中凸显出越来越重要地位。缩短了新产品的开发周期，同时也节省开发费用。
3DP打印设备的工作效率不但与设备本身的设计有关还与生产现场生产线的布局及与其配套的辅助系统有关，3DP打印设备的生产线布局不合理，是制约3DP效率的关键因素。
发明内容
本申请的目的包括，例如针对现有技术中3DP打印设备设置不合理而制约3DP打印效率的问题，提供一种便于集约化生产线布置的3DP打印设备，以提高3DP打印的生产效率。
本申请的目的还包括，提供了一种采用该3DP打印设备的生产线，其可以有效提高3DP打印的生产效率。
本申请的目的还包括，提供了一种该生产线的循环打印方法，通过该方法，可以有效提高3DP打印的生产效率。
为实现上述目的，本申请的实施例可以这样实现：
本申请的实施例提供了一种3DP打印设备，包括框架组件和安装于框架组件上的铺粉单元、供粉装置、喷墨单元、喷墨运动系统、工作箱、转运单元、内举升机构、外举升机构、附属单元和辅助单元，其中，所述框架组件包括上层框架和下层框架，所述铺粉单元通过所述铺粉运动系统连接在下层框架上并可沿Y方向运动，所述喷墨单元通过所述喷墨运动系统连接在所述上层框架上并可沿X和Y方向往复运动，所述转运单元包括配置成输送工作箱并具有驱动机构的外辊道和内辊道，所述内辊道设置于所述铺粉单元下侧的所述下层框架内，所述外辊道与所述内辊道衔接，所述内举升机构设置于所述内辊道的下侧，所述外举升机构设置于所述外辊道的下侧。
本申请实施例中的3DP打印设备，工作箱，主要盛放参与砂型打印的粉末状材料和打 印成型的模型；内举升机构，主要参与设备打印过程中构建材料面的升降运动；外举升机构，主要参与设备打印完成后，对模型的后续处理过程中的升降运动；外辊道，主要参与工作箱的支撑和工作箱在铺粉打印完成后转往后处理工位的运动；内辊道，主要参与工作箱在打印区域中的支撑和工作箱脱离打印区域的运动；下层框架，主要配置成固定内举升机构、内辊道及必要的辅助单元；上层框架，主要配置成支撑铺粉运动系统、铺粉单元及必要的防护装置；喷墨运动系统，主要参与喷墨单元在打印区域的X向和或Y向运动；铺粉单元，主要参与将粉料洒落在工作箱的铺粉区域和将下落到铺粉区域的粉料刮平；供粉装置，主要参与将粉料与添加物混合均匀后供给铺粉单元；辅助单元主要包括清洗装置和清扫装置，其中清洗装置主要配置成在打印过程中将沾敷在喷墨单元的喷头上的影响喷液的杂质清除，在喷墨单元处于闲置状态时起保护作用；清扫装置配置成对铺粉单元的刮砂底板进行清扫和杂质拭除；喷墨单元，主要参与将自带容器中的物质(固态和/或液态和/或气态)涂覆根据切片图案区域的粉面上。本实施例的3DP打印设备，进行3DP打印时，工作箱通过外辊道和内辊道输送至打印工位，启动3DP打印设备可以按设备的打印程序完成模型的3DP铺粉打印，打印结束后工作箱通过内举升机构推送至内辊道上，再通过内辊道输送至外辊道，在外辊道和外举升机构处借助吹砂和清砂装置进行散砂去除，然后再将工作箱连同打印好的模型转运出去，再将空的工作箱转运至外辊道上，再经内辊道输送至打印工位进行下一轮3DP打印。
可选的，所述3DP打印设备的外举升机构的侧向设有清砂装置。
可选的，所述供粉装置连接在所述上层框架上，且配置成对所述铺粉单元供粉。
可选的，所述上层框架配置成支撑所述铺粉运动系统以及所述铺粉单元。
可选的，所述下层框架配置成固定所述内举升机构、所述内辊道以及所述辅助单元。
可选的，所述铺助单元包括清洗装置和清扫装置，所述清洗装置配置成在打印过程中将沾敷在所述喷墨单元的喷头上的影响喷液的杂质清除；所述清扫装置配置成对所述铺粉单元的刮砂底板进行清扫和杂质拭除。
本实施例还提供了一种采用上述多台上述3DP打印设备的生产线，还包括中间转运装置，所述中间转运装置两侧分别设有若干台所述3DP打印设备，每个所述3DP打印设备的所述外辊道与所述中间转运装置的衔接处设有过渡辊道，所述中间转运装置沿转运输送方向的两端分别延伸至所述3DP打印设备沿相同方向设置区域的外侧，所述中间转运装置的一端垂直设有空工作箱集散辊道，所述中间转运装置的另一端垂直设有中间辊道，所述中间转运装置与所述空工作箱集散辊道和所述中间辊道垂直相交的位置分别设有第一换向装置和第二换向装置，所述空工作箱集散辊道向两端对称延伸至所述3DP打印设备沿所述方向设置区域的外侧并且经第三换向装置与空工作箱转运辊道连接，所述空工作箱转运辊道 的输送方向与所述空工作箱集散辊道的输送方向垂直；所述中间辊道与对应的所述空工作箱转运辊道垂直相交的区域设有仓储区；每条所述中间辊道的两侧分别设有烘烤装置，所述3DP打印设备的外举升机构的侧向分别设有清砂装置。本实施例的生产线布置系统，将多台3DP打印设备和烘烤装置集中规划布置，通过多条输送转运路线，连接成一个闭环的生产系统，减少生产进行中个别设备的空闲时间，提高设备的使用效率，从而实现高效的3DP打印。
为合理适应生产线的需要，可选的，所述空工作箱集散辊道上设置有若干工作箱，所述工作箱的设置总数量是3DP打印设备设置总数量的1.5—2倍。
可选的，所述中间辊道的两个端部均设置有所述仓储区。
可选的，所述中间转运装置和所述空工作箱转运辊道之间设置有若干台所述3DP打印设备，若干台所述3DP打印设备沿所述中间转运装置的转运输送方向均匀分布。
为提高生产线的生产效率，本实施例还提供了一种上述生产线的循环打印方法，包括如下过程：打印开始时，空的所述工作箱的起始位置为空工作箱集散辊道，当生产线有闲置等待打印的3DP打印设备时，空的所述工作箱从所述空工作箱集散辊道经由所述第一换向装置输送至所述中间转运装置，再转运至相应的3DP打印设备的外辊道上，经所述外辊道输送至所述内辊道并对准所述内举升机构上侧的打印工位时，开始进行设定程序的3DP打印，打印结束后的所述工作箱再经所述内辊道输送至所述外辊道，进行所述工作箱中的残余粉料的去除和散砂清理工作，之后所述工作箱进入所述中间转运装置，经由所述第二换向装置进行90°的换向，向其中一侧的所述中间辊道方向输送进入空闲的所述烘烤装置进行烘烤，烘烤完毕后再经所述中间辊道转运至所述仓储区，将打印好的模型集中存放在所述仓储区；在所述仓储区，将打印好的模型搬离工作箱后，所述工作箱经由所述空工作箱转运辊道传送，并经所述第三换向装置，回到所述工作箱集散辊道等待下一次打印。本实施例的循环打印方法，根据生产线上3DP打印设备和烘烤装置闲置情况，及时的将空的工作箱和待烘烤的工作箱输送供应给相应的闲置设备，使生产线上各主要设备使用率高，从而提高生产线的效率。
本实施例还提供了第二种采用上述3DP打印设备的生产线，还包括中间转运装置，所述中间转运装置两侧分别设有若干台所述3DP打印设备，所述3DP打印设备的外举升机构的侧向分别设有清砂装置，每个所述3DP打印设备的外辊道与所述中间转运装置的衔接处设有过渡辊道，所述中间转运装置沿转运输送方向的两端分别延伸至所述3DP打印设备沿相同方向设置区域的外侧，所述中间转运装置的一端设有第一换向装置，所述第一换向装置的一侧设有待烘烤工作箱缓存辊道，所述第一换向装置的另一侧设有平行布排的转运辊道和工作箱集散辊道，所述转运辊道和所述工作箱集散辊道的另一端设有仓储区，所述第 一换向装置相对所述中间转运装置的外侧设有烘烤装置。上述的生产线布置方案，将多台3DP打印设备和烘烤装置集中规划布置，通过垂直方向的两条输送线路，连接成一个半闭环循环的生产系统，减少生产进行中个别设备的空闲时间，提高设备的使用效率，从而实现高效的3DP打印。
可选的，若干台所述3DP打印设备沿所述中间转运装置的转运输送方向均匀分布。
可选的，所述转运辊道的输送方向、所述工作箱集散辊道的输送方向和所述待烘烤工作箱转存辊道的输送方向平行，所述中间转运装置的输送方向与所述待烘烤工作箱转存辊道的输送方向垂直。
本实施例还提供了采用上述第二种生产线的循环打印方法：打印开始时工作箱的起始位置为所述工作箱集散辊道，当生产线上有空闲的3DP打印设备时，空的所述工作箱经所述第一换向装置和所述中间转运装置进入空闲的所述3DP打印设备的所述外辊道和所述内辊道进入打印区域进行3DP打印；打印完成后的所述工作箱根据箱内材料的固化要求的不同择一选择两条线路中的一条，其中第一条线路为所述工作箱在所述外举升机构处进行散砂清除，然后所述工作箱再经所述中间转运装置和所述第一换向装置进入所述烘烤装置进行烘烤，烘烤后的所述工作箱再经所述第一换向装置和所述转运辊道进入所述仓储区，将所述工作箱内打印的模型移动并存放在所述仓储区，空的所述工作箱返回至所述工作箱集散辊道，等待下一次循环打印；第二条线路为所述工作箱从所述3DP打印设备的所述外辊道进入所述中间转运装置，经所述第一换向装置后进入所述烘烤装置，烧烘后的所述工作箱再经所述第一换向装置和所述中间转运装置返回至生产线中闲置的所述3DP打印设备的所述外举升机构处进行散砂清除，然后再经所述中间转运装置、所述第一换向装置和所述转运辊道至所述仓储区将所述工作箱内的打印模型移出存放至所述仓储区，空的所述工作箱返回所述工作箱集散辊道，等待下一次循环打印。本实施例的上述生产线的循环打印方法结合打印用的铺粉材料及打印材料的粘结固化时间的不同，提供两条不同的循环打印线路，以适合不同的固化时间的要求，其中第一条线路，适合固化时间短的铺粉打印材料的3DP打印中，第二条线路适应固化时间长的铺粉打印材料的3DP打印中。
与现有的技术相比，本申请实施例的有益效果包括，例如：
本实施例的3DP打印设备，进行3DP打印时，工作箱通过外辊道和内辊道输送至打印工位，启动3DP打印设备可以按设备的打印程序完成模型的3DP铺粉打印，打印结束后工作箱通过内举升机构推送至内辊道上，再通过内辊道输送至外辊道，在外辊道和外举升机构处借助吹砂和清砂装置进行散砂去除，然后再将工作箱连同打印好的模型转运出去，再将空的工作箱转运至外辊道上，再经内辊道输送至打印工位进行下一轮3DP打印。该3DP打印设备便于集约化生产线布置，可以提高3DP打印的生产效率。
本实施例采用上述3DP打印设备的第一种生产线，将多台3DP打印设备和烘烤装置集中规划布置，通过多条输送转运路线，连接成一个闭环的生产系统，减少生产进行中个别设备的空闲时间，提高设备的使用效率，从而实现高效的3DP打印。
本实施例采用上述第一种生产线的循环打印方法，根据生产线上3DP打印设备和烘烤装置闲置情况，及时的将空的工作箱和待烘烤的工作箱输送供应给相应的闲置设备，使生产线上各主要设备使用率高，从而提高生产线的效率。
本实施例采用上述3DP打印设备的第二种生产线，将多台3DP打印设备和烘烤装置集中规划布置，通过多条输送转运路线，连接成一个闭环的生产系统，减少生产进行中个别设备的空闲时间，提高设备的使用效率，从而实现高效的3DP打印。
本实施例采用上述第二种生产线的循环打印方法，该循环打印方法结合打印用的铺粉材料及打印材料的粘结固化时间的不同，提供两条不同的循环打印线路，以适合不同的固化时间的要求，其中第一条线路，适合固化时间短的铺粉打印材料的3DP打印中，第二条线路适应固化时间长的铺粉打印材料的3DP打印中。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本申请的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本实施例的3DP打印设备的结构示意图；
图2为本实施例的3DP打印设备的铺粉单元和喷墨单元的工作路线示意图；
图3为工作箱进入打印区域的运动方向示意图；
图4为本实施例的3DP打印设备的第一种生产线的布置示意图；
图5为本实施例的3DP打印设备的第二种生产线的布置示意图。
图标：1-3DP打印设备；10-工作箱；20-内举升机构；30-外举升机构；40-外辊道；50-内辊道；60-下层框架；70-上层框架；80-喷墨运动系统；90-铺粉单元；100-供粉装置；110-清洗装置；120-清扫装置；130-喷墨单元；2-中间转运装置；3-工作箱集散辊道；4-空工作箱转运辊道；5-仓储区；6-中间辊道；7-烘烤装置；8-第一换向装置；9-第二换向装置；11-第三换向装置；12-转运辊道；13-待烘烤工作箱转存辊道。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本申请实施例 的组件可以以各种不同的配置来布置和设计。
因此，以下对在附图中提供的本申请的实施例的详细描述并非旨在限制要求保护的本申请的范围，而是仅仅表示本申请的选定实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本申请的描述中，需要说明的是，若出现术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”和“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该发明产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，若出现术语“第一”、“第二”和“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
此外，若出现术语“水平”、“竖直”和“悬垂”等并不表示要求部件绝对水平或悬垂，而是可以稍微倾斜。如“水平”仅仅是指其方向相对“竖直”而言更加水平，并不是表示该结构一定要完全水平，而是可以稍微倾斜。
在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，若出现术语“设置”、“安装”、“相连”和、“连接”等应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
需要说明的是，在不冲突的情况下，本申请的实施例中的特征可以相互结合。
实施例1
如图1至图3所示为本实施例提供的一种3DP打印设备1，包括框架组件和安装于框架组件上的铺粉单元90、供粉装置100、喷墨单元130、喷墨运动系统80、工作箱10、转运单元、内举升机构20、外举升机构30、附属单元和辅助单元，其中，框架组件包括上层框架70和下层框架60，铺粉单元90通过铺粉运动系统连接在下层框架60上并可沿Y方向运动，喷墨单元130通过喷墨运动系统80连接在上层框架70上并可沿X和Y方向往复运动，转运单元包括配置成输送工作箱10并具有驱动机构的外辊道40和内辊道50，内辊道50设置于铺粉单元90下侧的下层框架60内，外辊道40与内辊道50衔接便于工作箱10的输送，内举升机构20设置于内辊道50的下侧，外举升机构30设置于外辊道40的下 侧，以便于实现工作箱10的升降。
本实施例的3DP打印设备1中，喷墨单元130可沿X和Y两个方向运动，实现一个铺粉层上一个闭合回路的打印运动；喷墨单元130固定在喷墨运动系统80的运动单元上，喷墨单元130在喷墨运动系统80的运动单元的带动下完成X方向和Y方向的往复运动；本实施例的喷墨单元130的打印闭合回路路径方向可沿X→Y→X→Y运动或沿Y→X→Y→X或X和Y同时运动的方式进行喷墨打印。
铺粉单元90在铺粉运动系统的带动下沿Y方向往复移动铺粉运行。例如，图2所示，铺粉单元90沿A→B方向进行铺粉运动，完成一层铺粉后，停在铺粉结束位，喷墨单元130沿C→D→E→F→C完成一个打印循环，其中，D→E和F→C为打印头不打印的换行行程；喷墨打印结束后内举升机构20带动工作箱10底板下降一下铺粉层，开始进行第二层打印。打印结束后经内辊道50和外辊道40输出进行清砂和烘烤。
同时，3DP打印设备1的外举升机构30的侧向设有清砂装置。供粉装置100连接在上层框架70上，且配置成对铺粉单元90供粉。上层框架70配置成支撑铺粉运动系统以及铺粉单元90。下层框架60配置成固定内举升机构20、内辊道50以及辅助单元。辅助单元包括清洗装置110和清扫装置120，清洗装置110配置成在打印过程中将沾敷在喷墨单元130的喷头上的影响喷液的杂质清除；清扫装置120配置成对铺粉单元90的刮砂底板进行清扫和杂质拭除。
本实施例中，工作箱10,主要盛放参与砂型打印的粉末状材料和打印成型的模型；内举升机构20，主要参与设备打印过程中构建材料面的升降运动；外举升机构30，主要参与设备打印完成后，对模型的后续处理过程中的升降运动；外辊道40，主要参与工作箱10的支撑和工作箱10在铺粉打印完成后转往后处理工位的运动；内辊道50，主要参与工作箱10在打印区域中的支撑和工作箱10脱离打印区域的运动；下层框架60，主要配置成固定内举升机构20、内辊道50及必要的辅助单元；上层框架70，主要配置成支撑铺粉运动系统、铺粉单元90及必要的防护装置；喷墨运动系统80，主要参与喷墨单元130在打印区域的X向和或Y向运动；铺粉单元90，主要参与将粉料洒落在工作箱10的铺粉区域和将下落到铺粉区域的粉料刮平；供粉装置100，主要参与将粉料与添加物混合均匀后供给铺粉单元90；辅助单元主要包括清洗装置110和清扫装置120，其中清洗装置110主要配置成在打印过程中将沾敷在喷墨单元130的喷头上的影响喷液的杂质清除，在喷墨单元130处于闲置状态时起保护作用；清扫装置120配置成对铺粉单元90的刮砂底板进行清扫和杂质拭除；喷墨单元130，主要参与将自带容器中的物质(固态和/或液态和/或气态)涂覆根据切片图案区域的粉面上。
实施例2
如图4所示为采用实施例1的3DP打印设备1布置的生产线，该生产线还包括中间转运装置2，中间转运装置2两侧分别设有若干台实施例1中所述的3DP打印设备1，每个3DP打印设备1的外辊道40与中间转运装置2的衔接处设有过渡辊道，中间转运装置2沿转运输送方向的两端分别延伸至3DP打印设备1沿相同方向设置区域的外侧，中间转运装置2的一端垂直设有空工作箱集散辊道3，中间转运装置2的另一端垂直设有中间辊道6，中间转运装置2与空工作箱集散辊道3和中间辊道6垂直相交的位置分别设有第一换向装置8和第二换向装置9，空工作箱集散辊道3向两端对称延伸至3DP打印设备1沿该方向设置区域的外侧并且经第三换向装置11与空工作箱转运辊道4连接，空工作箱转运辊道4的输送方向与空工作箱集散辊道3的输送方向垂直；中间辊道6与对应的空工作箱转运辊道4垂直相交的区域设有仓储区5；每条中间辊道6的两侧分别设有烘烤装置7，3DP打印设备1的外举升机构30的侧向分别设有清砂装置，配置成铺粉打印结束后的散砂清理。
本实施例中，在空工作箱集散辊道3上设有若干空的工作箱10，工作箱10的设置总数量为3DP打印设备1在生产线的布置总数量的1.5—2倍，以满足生产线上循环打印的需要。例如，当3DP打印设备1的数量为1时，工作箱10的数量为2，当3DP打印设备1的数量为2时，工作箱10的数量为3或4，当3DP打印设备1的数量为3时，工作箱10的数量为5或6。
同时，图4中，中间辊道6的两个端部均设置有仓储区5。中间转运装置2和空工作箱转运辊道4之间设置有若干台3DP打印设备1，若干台3DP打印设备1沿中间转运装置2的转运输送方向均匀分布。
本申请的生产线布置系统，根据3DP打印设备1在生产线上的布置台数，在中间辊6的两侧设置适合数量的烘烤装置7，配置成对3DP打印后的模型内部粉料和喷墨液之间进行固化粘接，空工作箱集散辊道3上停放若干台空的工作箱10，配置成向各准备打印的3DP打印设备1输送进行铺粉打印，仓储区5配置成存放打印并烘烤后的模型产品。因此，本申请的生产线布置系统，根据3DP模型打印的工序特点，将多台3DP打印设备1和烘烤装置7集中规划布置，通过多条输送转运路线，连接成一个闭环的生产系统，使工作箱10在生产线上循环使用，及时供应给空闲的3DP打印设备1，减少生产进行中各设备的空闲时间，提高设备的使用效率，从而实现生产线高效的3DP打印。
实施例3
本实施例为实施例2中的3DP打印生产线的循环打印方法，包括如下过程：打印开始时，空的工作箱10的起始位置为空工作箱集散辊道3，当生产线有闲置等待打印的3DP打印设备1时，空的工作箱10从空工作箱集散辊道3经由第一换向装置8输送至中间转运装 置2，再转运至相应的3DP打印设备1的外辊道40上，经外辊道40输送至内辊道50并对准内举升机构20上侧的打印工位时，开始进行设定程序的3DP打印，打印结束后的工作箱10再经内辊道50输送至外辊道40，进行工作箱10中的残余粉料的去除和散砂清理工作，之后工作箱10进入中间转运装置2，经由第二换向装置9进行90°的换向，向其中一侧的中间辊道6方向输送进入空闲的烘烤装置7进行烘烤，烘烤完毕后再经中间辊道6转运至仓储区5，将打印好的模型集中存放在该仓储区5；在仓储区5，通过人工或动化设备将打印好的模型搬离工作箱10后，空的工作箱10经由空工作箱转运辊道4传送，并经第三换向装置11，回到工作箱集散辊道3等待下一次打印。本申请的打印方法，根据生产线上3DP打印设备1和烘烤装置7闲置情况，及时的将空的工作箱10和待烘烤的工作箱10输送供应给相应的闲置设备，使生产线上各主要设备使用率提高，从而提高生产线的效率。
实施例4
如图5所示为采用实施例1的3DP打印设备1布置的生产线的第二种情况，还包括中间转运装置2，中间转运装置2两侧分别设有若干台3DP打印设备1，各3DP打印设备1的外举升机构30的侧向分别设有清砂装置，每个3DP打印设备1的外辊道40与中间转运装置2的衔接处设有过渡辊道，中间转运装置2沿转运输送方向的两端分别延伸至3DP打印设备1沿相同方向设置区域的外侧，中间转运装置2的一端设有第一换向装置8，第一换向装置8的一侧设有待烘烤工作箱转存辊道13，第一换向装置8的另一侧设有平行布排的转运辊道12和工作箱集散辊道3，转运辊道12和工作箱集散辊道3的另一端设有仓储区5，第一换向装置8相对中间转运装置2的外侧设有烘烤装置7。
图5中，转运辊道12和工作箱集散辊道3均呈直线型，仓储区5位于转运辊道12和工作箱集散辊道3远离第一换向装置8的一端。
图5中，若干台3DP打印设备1沿中间转运装置2的转运输送方向均匀分布。转运辊道12的输送方向、工作箱集散辊道3的输送方向和待烘烤工作箱转存辊道13的输送方向平行，中间转运装置2的输送方向与待烘烤工作箱转存辊道13的输送方向垂直。
实施例5
本实施例为采用本实施例4的生产线布置方案的循环打印方法，包括如下过程：打印开始时工作箱10的起始位置为工作箱集散辊道3，当生产线上有空闲的3DP打印设备1时，空的工作箱10经第一换向装置8和中间转运装置2进入空闲的3DP打印设备1的外辊道40和内辊道50进入打印区域进行3DP打印；打印完成后的工作箱10根据箱内材料的固化要求的不同择一选择两条线路中的一条，其中第一条线路为工作箱10在外举升机构30处进行散砂清除，清砂后的工作箱10再经中间转运装置2、到达第一换向装置8，当烘烤装置7空闲时直接进入烘烤装置7进行烘烤，当烘烤装置7正在工作时将待烘烤的工作箱10 转入待烘烤工作箱转存辊道13，等待烘烤装置7空闲后，转入烘烤装置7，烘烤后的工作箱10再经第一换向装置8和转运辊道12进入仓储区5，将工作箱10内打印的模型移动并存放在仓储区5，空的工作箱10返回至工作箱集散辊道3，等待下一次循环打印；第二条线路为工作箱10从3DP打印设备1的外辊道40进入中间转运装置2，到达第一换向装置8，当烘烤装置7空闲时直接进入烘烤装置7进行烘烤，当烘烤装置7正在工作时将待烘烤的工作箱10转入待烘烤工作箱转存辊道13，等待烘烤装置7空闲后，转入烘烤装置7，烧烘后的工作箱10再经第一换向装置8和中间转运装置2返回至生产线中闲置的3DP打印设备1的外举升机构30处进行散砂清除，然后再经中间转运装置2、第一换向装置8和转运辊道12至仓储区5将工作箱10内的打印模型移出存放至仓储区5，空的工作箱10返回工作箱集散辊道3，等待下一次循环打印。本申请的上述生产线的循环打印方法结合打印用的铺粉材料及打印材料的粘结固化时间的不同，提供两条不同的循环打印线路，以适合不同的固化时间的要求，其中第一条线路，适合固化时间短的铺粉打印材料的3DP打印中，第二条线路适应固化时间长的铺粉打印材料的3DP打印中。
在一些实施例中：
请参考图1：图1示出的3DP打印设备1包括工作箱10、内举升机构20、外举升机构30、外辊道40、内辊道50、下层框架60、上层框架70、喷墨运动系统80、铺粉单元90、供粉装置100、清洗装置110、清扫装置120和喷墨单元130；工作箱10通过具有驱动机构的外辊道40和内辊道50能够进入或退出下层框架60，内举升机构20设置于内辊道50下方，外举升机构30设置于外辊道40下方，下层框架60与内举升机构20、内辊道50及必要的辅助单元连接；上层框架70与铺粉运动系统、铺粉单元90及必要的防护装置连接；喷墨运动系统80连接在上层框架70上；铺粉单元90连接在下层框架60上；供粉装置100连接在上层框架70上；清洗装置110连接在下层框架60上；清扫装置120连接在下层框架60上；喷墨单元130连接在上层框架70上。
请参考图2：图2示出的3DP打印设备1中，铺粉单元90沿A→B方向进行铺粉运动，喷墨单元130沿C→D→E→F→C完成一个打印循环，其中，D→E和F→C为打印头不打印的换行行程。
请参考图3：图3示出的3DP打印设备1中，工作箱10沿G→H方向通过外辊道40和外举升机构30的作用后进入上层框架70下方的内辊道50上，从而实现进入打印区域。
请参考图4，图4示出了采用上述的3DP打印设备1的一种生产线，其包括若干台3DP打印设备1、中间转运装置2、工作箱集散辊道3、空工作箱转运辊道4、仓储区5、中间辊道6、烘烤装置7、第一换向装置8、第二换向装置9、第三换向装置11、转运辊道12和待烘烤工作箱转存辊道13；中间转运装置2呈直线型(也就是说其输送方向是直线的)， 其两端分别设置有工作箱集散辊道3和中间辊道6，工作箱集散辊道3和中间辊道6也是呈直线型且均与中间转运装置2垂直，中间转运装置2和工作箱集散辊道3的垂直相交位置设置有第一换向装置8，中间转运装置2和中间辊道6的垂直相交位置设置有第二换向装置9；中间转运装置2、工作箱集散辊道3、中间辊道6和两个空工作箱转运辊道4呈“日”字型分布，且若干台3DP打印设备1位于中间转运装置2和空工作箱转运辊道4之间，若干台3DP打印设备1沿中间转运装置2的输送方向分布；中间辊道6的两端设置有仓储区5，空工作箱转运辊道4的一端通过第三换向装置11与工作箱集散辊道3的一端连接，空工作箱转运辊道4的另一端与仓储区5对应设置，空工作箱转运辊道4呈直线型，且与工作箱集散辊道3垂直设置，中间辊道6的两侧设置有烘烤装置7。
请参考图5，图5示出了采用上述的3DP打印设备1的另一种生产线，其包括若干台3DP打印设备1、中间转运装置2、工作箱集散辊道3、仓储区5、烘烤装置7、第一换向装置8、转运辊道12和待烘烤工作箱转存辊道13；中间转运装置2呈直线型(也就是说其输送方向是直线的)，中间转运装置2的一端的一侧设置有待烘烤工作箱转存辊道13，中间转运装置2的一端的另一侧设置有转运辊道12和工作箱集散辊道3，待烘烤工作箱转存辊道13呈直线型，其与中间转运装置2垂直，转运辊道12和工作箱集散辊道3均呈直线型，其与中间转运装置2垂直，待烘烤工作箱转存辊道13、转运辊道12和工作箱集散辊道3与中间转运装置2的垂直相交位置设置有第一换向装置8，第一换向装置8相对中间转运装置2的外侧设有烘烤装置7；转运辊道12和工作箱集散辊道3远离中间转运装置2的一端设置有仓储区5；中间转运装置2的两侧分布有若干台3DP打印设备1，若干台3DP打印设备1沿中间转运装置2的输送方向分布。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。
工业实用性：
综上所述，本申请提供了一种3DP打印设备、该设备的生产线及其循环打印方法，其结构简单，设计合理，可以有效提高3DP打印的生产效率。

Claims (15)

  1. 一种3DP打印设备(1)，包括框架组件和安装于框架组件上的铺粉单元(90)、铺粉运动系统、供粉装置(100)、喷墨单元(130)、喷墨运动系统(80)、工作箱(10)、转运单元、内举升机构(20)、外举升机构(30)、附属单元和辅助单元，其特征在于，所述框架组件包括上层框架(70)和下层框架(60)，所述铺粉单元(90)通过所述铺粉运动系统连接在所述下层框架(60)上并可沿Y方向运动，所述喷墨单元(130)通过所述喷墨运动系统(80)连接在所述上层框架(70)上并可沿X和Y方向往复运动，所述转运单元包括配置成输送工作箱(10)并具有驱动机构的外辊道(40)和内辊道(50)，所述内辊道(50)设置于所述铺粉单元(90)下侧的所述下层框架(60)内，所述外辊道(40)与所述内辊道(50)衔接，所述内举升机构(20)设置于所述内辊道(50)的下侧，所述外举升机构(30)设置于所述外辊道(40)的下侧。
  2. 根据权利要求1所述的3DP打印设备(1)，其特征在于，所述3DP打印设备(1)的外举升机构(30)的侧向设有清砂装置。
  3. 根据权利要求1或2所述的3DP打印设备(1)，其特征在于，所述供粉装置(100)连接在所述上层框架(70)上，且配置成对所述铺粉单元(90)供粉。
  4. 根据权利要求1-3任一项所述的3DP打印设备(1)，其特征在于，所述上层框架(70)配置成支撑所述铺粉运动系统以及所述铺粉单元。
  5. 根据权利要求1-4任一项所述的3DP打印设备(1)，其特征在于，所述下层框架(60)配置成固定所述内举升机构(20)、所述内辊道(50)以及所述辅助单元。
  6. 根据权利要求1-5任一项所述的3DP打印设备(1)，其特征在于，所述辅助单元包括清洗装置(110)和清扫装置(120)，所述清洗装置(110)配置成在打印过程中将沾敷在所述喷墨单元(130)的喷头上的影响喷液的杂质清除；所述清扫装置(120)配置成对所述铺粉单元(90)的刮砂底板进行清扫和杂质拭除。
  7. 一种采用权利要求1-6任一项所述的3DP打印设备的生产线，其特征在于，还包括中间转运装置(2)，所述中间转运装置(2)两侧分别设有若干台所述3DP打印设备(1)，每个所述3DP打印设备(1)的所述外辊道(40)与所述中间转运装置(2)的衔接处设有过渡辊道，所述中间转运装置(2)沿转运输送方向的两端分别延伸至所述3DP打印设备(1)沿相同方向设置区域的外侧，所述中间转运装置(2)的一端垂直设有空工作箱集散辊道(3)，所述中间转运装置(2)的另一端垂直设有中间辊道(6)，所述中间转运装置(2)与所述空工作箱集散辊道(3)和所述中间辊道(6) 垂直相交的位置分别设有第一换向装置(8)和第二换向装置(9)，所述空工作箱集散辊道(3)向两端对称延伸至所述3DP打印设备1沿所述方向设置区域的外侧并且经第三换向装置(11)与空工作箱转运辊道(4)连接，所述空工作箱转运辊道(4)的输送方向与所述空工作箱集散辊道(3)的输送方向垂直；所述中间辊道(6)与对应的所述空工作箱转运辊道(4)垂直相交的区域设有仓储区(5)；每条所述中间辊道(6)的两侧分别设有烘烤装置(7)，所述3DP打印设备(1)的外举升机构(30)的侧向分别设有清砂装置。
  8. 根据权利要求7所述的生产线，其特征在于，所述空工作箱集散辊道(3)上设置有若干工作箱(10)，所述工作箱(10)的设置总数量是3DP打印设备(1)设置总数量的1.5—2倍。
  9. 根据权利要求7或8所述的生产线，其特征在于，所述中间辊道(6)的两个端部均设置有所述仓储区(5)。
  10. 根据权利要求7-9任一项所述的生产线，其特征在于，所述中间转运装置(2)和所述空工作箱转运辊道(4)之间设置有若干台所述3DP打印设备(1)，若干台所述3DP打印设备(1)沿所述中间转运装置(2)的转运输送方向均匀分布。
  11. 一种权利要求7-10任一项所述的生产线的循环打印方法，其特征在于，包括如下过程：打印开始时，空的所述工作箱(10)的起始位置为空工作箱集散辊道(3)，当生产线有闲置等待打印的3DP打印设备(1)时，空的所述工作箱(10)从所述空工作箱集散辊道(3)经由所述第一换向装置(8)输送至所述中间转运装置(2)，再转运至相应的3DP打印设备(1)的外辊道(40)上，经所述外辊道(40)输送至所述内辊道(50)并对准所述内举升机构(20)上侧的打印工位时，开始进行设定程序的3DP打印，打印结束后的所述工作箱(10)再经所述内辊道(50)输送至所述外辊道(40)，进行所述工作箱(10)中的残余粉料的去除和散砂清理工作，之后所述工作箱(10)进入所述中间转运装置(2)，经由所述第二换向装置(9)换向，经过两侧其中一侧的所述中间辊道(6)进入空闲的所述烘烤装置(7)进行烘烤，烘烤完毕后再经所述中间辊道(6)转运至所述仓储区(5)，将打印好的模型集中存放在所述仓储区(5)；在所述仓储区(5)，通过人工或动化设备将打印好的模型搬离所述工作箱(10)后，所述工作箱(10)经由所述空工作箱转运辊道(4)传送，并经所述第三换向装置(11)，回到所述工作箱集散辊道(3)等待下一次打印。
  12. 一种采用权利要求1-6任一项所述的3DP打印设备的生产线，其特征在于，还包括中间转运装置(2)，所述中间转运装置(2)两侧分别设有若干台所述3DP打印设备(1)，所述3DP打印设备(1)的外举升机构(30)的侧向分别设有清砂装置， 每个所述3DP打印设备(1)的外辊道(40)与所述中间转运装置(2)的衔接处设有过渡辊道，所述中间转运装置(2)沿转运输送方向的两端分别延伸至所述3DP打印设备(1)沿相同方向设置区域的外侧，所述中间转运装置(2)的一端设有第一换向装置(8)，所述第一换向装置(8)的一侧设有待烘烤工作箱缓存辊道(13)，所述第一换向装置(8)的另一侧设有平行布排的转运辊道(12)和工作箱集散辊道(3)，所述转运辊道(12)和所述工作箱集散辊道(3)的另一端设有仓储区(5)，所述第一换向装置(8)相对所述中间转运装置(2)的外侧设有烘烤装置(7)。
  13. 根据权利要求12所述的生产线，其特征在于，若干台所述3DP打印设备(1)沿所述中间转运装置(2)的转运输送方向均匀分布。
  14. 根据权利要求12或13所述的生产线，其特征在于，所述转运辊道(12)的输送方向、所述工作箱集散辊道(3)的输送方向和所述待烘烤工作箱转存辊道(13)的输送方向平行，所述中间转运装置(2)的输送方向与所述待烘烤工作箱转存辊道(13)的输送方向垂直。
  15. 一种权利要求12-14任一项所述的生产线的循环打印方法，其特征在于，打印开始时工作箱(10)的起始位置为所述工作箱集散辊道(3)，当生产线上有空闲的3DP打印设备(1)时，空的所述工作箱(10)经所述第一换向装置(8)和所述中间转运装置(2)进入空闲的所述3DP打印设备1的所述外辊道(40)和所述内辊道(50)进入打印区域进行3DP打印；打印完成后的所述工作箱(10)根据箱内材料的固化要求的不同择一选择两条线路中的一条，其中第一条线路为所述工作箱(10)在所述外举升机构(30)处进行散砂清除，然后所述工作箱(10)再经所述中间转运装置(2)和所述第一换向装置(8)进入所述烘烤装置(7)进行烘烤，烘烤后的所述工作箱(10)再经所述第一换向装置(8)和所述转运辊道(12)进入所述仓储区(5)，将工作箱(10)内打印的模型移动并存放在所述仓储区(5)，空的所述工作箱(10)返回至所述工作箱集散辊道(3)，等待下一次循环打印；第二条线路为所述工作箱(10)从所述3DP打印设备(1)的外辊道(40)进入所述中间转运装置(2)，经所述第一换向装置(8)后进入所述烘烤装置(7)，烧烘后的所述工作箱(10)再经所述第一换向装置(8)和所述中间转运装置(2)返回至生产线中闲置的所述3DP打印设备1的外举升机构(30)处进行散砂清除，然后再经所述中间转运装置(2)、所述第一换向装置(8)和所述转运辊道(12)至所述仓储区(5)将所述工作箱(10)内的打印模型移出存放至所述仓储区(5)，空的所述工作箱(10)返回所述工作箱集散辊道(3)，等待下一次循环打印。
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