CN105710294A - Multi-working box sand mould 3D printing equipment - Google Patents

Multi-working box sand mould 3D printing equipment Download PDF

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Publication number
CN105710294A
CN105710294A CN201610233157.8A CN201610233157A CN105710294A CN 105710294 A CN105710294 A CN 105710294A CN 201610233157 A CN201610233157 A CN 201610233157A CN 105710294 A CN105710294 A CN 105710294A
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CN
China
Prior art keywords
sand
work box
axis
motor
guide rail
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.)
Granted
Application number
CN201610233157.8A
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Chinese (zh)
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CN105710294B (en
Inventor
彭凡
刘轶
周志军
徐云龙
杜文军
马强
赵龙
马睿
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Shared Intelligent Equipment Co., Ltd.
Original Assignee
Ningxia Kocel Pattern Co Ltd
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Priority to CN201610233157.8A priority Critical patent/CN105710294B/en
Publication of CN105710294A publication Critical patent/CN105710294A/en
Application granted granted Critical
Publication of CN105710294B publication Critical patent/CN105710294B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C11/00Moulding machines characterised by the relative arrangement of the parts of same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

Abstract

The invention relates to multi-working box sand mould 3D printing equipment. The multi-working box sand mould 3D printing equipment comprises a main body framework (100), a working box conveying systems (200), working boxes (300), working box jacking mechanisms (400), sand laying devices (500), a printing head (600), a cleaning device (700), a liquid material system (800), a sand mixing device (900) and an electric system. The multi-working box sand mould 3D printing equipment provided by the invention comprises two or more working boxes which are combined with sand mixing pots, the synchronous operation sand laying devices, the penetration-type printing head, the working box synchronous jacking mechanisms and the electric system which are matched with the working boxes; the two or more working boxes work simultaneously during sand laying and printing operation; and compared with single-working box sand mould 3D printing equipment with the same specification, the multi-working box sand mould 3D printing equipment has the advantages that in the same time period, the printing efficiency can be improved by times, so that the cost of sand moulds can be effectively lowered, and production requirements can be met more rapidly.

Description

A kind of many work boxs sand mold 3D printing device
Technical field
The invention belongs to 3D and print field, the 3D being mainly used in foundry sand mould prints field, is specifically related to a kind of have multiple work box the many work boxs sand mold 3D printing device that can simultaneously print.
Background technology
Current sand mold 3D printing device ubiquity printing effect is too low, time cost is high, can not meet the problem producing needs.Main reason is that the structure of sand mold printing device composition is similar, by single work box and sanding gear, print first-class functional module composition, and the job order of each functional module is also substantially stationary with required time, as the printing effect that either simplex makes the sand mold printing device of box-shaped formula need to be improved, often can only set about from aspects such as increased in size, the raising speeds of service.But because of equipment size and speed of service adjustable limited space, make the effect that raising printing effect brings in aforementioned manners unsatisfactory, still can not meet production needs, and the feasible program proposing to significantly improve printing effect is needed in the fast development in sand mold 3D print application field badly.Although in prior art, the patent documentation that notification number is CN203887169U discloses a kind of 3D printing production line, and devise at least two work box to improve printing effect, but the achievement in research that this technology is applicant's early stage, substantially two or more work box rotations of this structure carry out print job, when a work box completes print job, the work box of another sky can quickly come to fill up room to be continued to print, therefore the same time can only have a work box to carry out print job, do not realize sanding and printing while multiple work box, and, the prior art is at printhead, Shortcomings on the device such as sanding gear and driving device, the demand simultaneously printed can not be realized.Therefore, how to design and a kind of there is multiple work box and the many work boxs sand mold 3D printing device that can simultaneously print is the problem that this area needs solution badly.
Summary of the invention
A kind of sand mold 3D printing device provided by the invention, include two or many work boxs, in conjunction with matched mixing sand tank, synchronous operation sanding gear, penetration type printhead, work box synchronization lifting mechanism and electrical system etc., when sanding and print job, two or many work boxs work simultaneously, compared with single work box sand mold 3D printing device of equivalent specifications, within the equal time, it is possible to significantly improve printing effect, thus effectively reducing sand mold cost, faster reply produces needs.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of many work boxs sand mold 3D printing device, including: main body frame (100), work box induction system (200), work box (300), work box lifting body (400), sanding gear (500), printhead (600), rinser (700), liquid feeding system (800), mixing device (900) and electrical system, it is characterised in that:
Main body frame (100) includes at least three root posts, after described main body frame is completed, forms the working region of two or more independence, is respectively mounted a set of work box lifting body (400) bottom each working region;
The top of each described work box lifting body (400) respectively arranges a set of work box induction system (200), is used for driving work box (300) moving along Y direction;
Described work box (300) includes base plate, and it is portable plate, work box can be driven to lift along Z-direction by described work box lifting body (400);
Lay a sanding gear above each column of at least three root posts of described main body frame (100) respectively and run module (510), sanding gear described at least three is run and is connected by least two shaft coupling (530) between module (510), shaft coupling runs drive motor (520) with sanding gear and is connected, sanding gear described at least two (500) is fixed on described at least three sanding gear and runs above the slide block that module (510) is corresponding, runs drive motor (520) by sanding gear and drives respective amount sanding gear (500) along Y direction synchronous operation;The described work box (300) of respective amount it is respectively arranged below each sanding gear of described at least two sanding gear (500);
Described main body frame (100) inside top is provided with printhead and runs X to linear electric motors (620), described printhead runs X and runs Y-direction module (633) to linear electric motors (620) printhead mounted below, printhead (600) runs Y-direction module (633) with printhead and is connected, running under the X driving running Y-direction servomotor (631) to linear electric motors (620) and printhead at described printhead, printhead (600) can realize the operation of X-axis, Y-axis both direction;
Described main body frame (100) top outer is provided with mixing device (900), for described sanding gear (500) sand supplying.
Further, described work box induction system (200) includes at least three roller-way mounting rail (210), roller-way mounting rail (210) is supported by supporting leg (250), mounting seat (221) is fixed on the side of roller-way mounting rail (210), mounting seat is connected with supporting axle (226), cylinder (225) and the fixing connection of sprocket wheel (222), and it is fixedly mounted in support axle (226) by bearing (223), finally locked bearing (223) by jump ring (224);Connect sand launder (270) to be arranged between roller-way mounting rail (210), be used for receiving work box (300) and omit sand;After motor (261) assembles with motor mount (262), side is fixedly mounted on roller-way mounting rail (210), opposite side is connected with another root roller-way mounting rail (210) by shaft coupling (260), work box detent mechanism (290) is arranged on overall framework (100), is used for regulating work box (300) operating position in sand mold 3D printing device.
Further, work box (300) includes liner, shell, sealing frame, bracing frame and felt, wherein, liner is made up of high-abrasive material, and shell is made up of rigid material, and top surrounding installs sealing frame, concordant with sanding gear, it is ensured that in sanding process, leakage sand situation will not occur work box surrounding;Bracing frame is installed in bottom surrounding and bottom surface, for the support of surrounding structure and base (323) move to when bottommost spacing;Felt is installed on work box base (323) surrounding top, and is compressed by bolt with felt pressure plate, and felt and surrounding liner fit tightly, it is ensured that in work box motor process, leakage sand situation will not occur in bottom.
Further, described work box lifting body (400) including: framework (410), servomotor (420), lifting part (430), drive mechanism (440);Servomotor (420), lifting part (430), drive mechanism (440) are arranged on framework (410), framework (410) is made up of left side brackets (411), bottom bracket (412), right side support (413), motor cabinet (414), servomotor (420) connects axle (441) by motor and drives drivewheel (442) operating, drivewheel (442) drives driven pulley (445) to move together again through belt (444), and belt (442) carries out tensioning by contact roller (443) in the process rotated;Driven pulley (445) is connected with screw mandrel (432) by key, drive screw mandrel (442) to rotate simultaneously, screw mandrel (442) upper, lower end adopts floating bearing (435) and fixing bearing (431) to be fixed, screw mandrel (442) is provided with feed screw nut (433), rotation along with screw mandrel, feed screw nut (433) moves up and down along screw thread, raising board (438) and feed screw nut (433) are attached by contiguous block (434), raising board (438) is provided with slide block (416), slide block (416) is in the upper slip of upright guide rail (415), the top of raising board (438) is provided with a bracer and regulates jackscrew, for support works case (300) in whole motor process, and keep work box (300) level by controlling to adjust the position of jackscrew (437).
Further, described sanding gear (500) includes sand launder (501), in order to store sand, at sand launder (501) above through being connected to cover plate (503), cover plate (503) one end is provided with and connects sand mouth (508), the other end installs screw drives motor (504), it is lifted with screw rod (502) immediately below described cover plate (503), described screw rod (502) is connected with described screw drives motor (504) by synchronous pulley (506) and Timing Belt, the centre of sand launder (501) is provided with sieve sand launder (560), described sieve sand launder (560) is connected with lower sand mouth (541), and it is adjacent with lower sand mouth (541) rear portion, angled stragith edge is had with horizontal plane;Eccentric shaft (551) is lifted on the side, lower section of sand launder (501), several eccentric blocks (553) are installed on described eccentric shaft (551) by bearing (552), described eccentric block (553) lower end is connected with between contiguous block (554) again, described contiguous block (554) back side is provided with stragith edge (570), vibrating motor (550) is connected with eccentric shaft (551) one end, and it is fixed on sand launder (501) lower section, described contiguous block (554) is connected with rotary pin shaft bearing (544) by swing connecting bar (542) and connection bearing pin (543) together with the stragith edge (570) of the side of being fixed thereon, described rotary pin shaft bearing (544) is arranged on the lower section of sand launder (501).
Further, described sanding gear (500) includes sand launder (501), in order to store sand, it is connected above cover plate (503) at sand launder (501), cover plate (503) one end is provided with and connects sand mouth (508), the other end installs screw drives motor (504), it is lifted with screw rod (502) immediately below described cover plate (503), described screw rod (502) is connected with described screw drives motor (504) by synchronous pulley (506) and Timing Belt, sand launder (501) and affiliated installed part thereof are installed in shaft seating (511) entirely through the rotating shaft (512) of both sides, described shaft seating (511) maintains static, it is arranged above fork (513), described sand launder (521) both sides are provided with cylinder saddle (514), described cylinder saddle (514) is connected to telescopic cylinder (515) by bearing pin, the cylinder rod of described telescopic cylinder (515) is connected by pin with fork (513) again, sand launder (501) and affiliated installing component thereof can be driven to rotate entirely around shaft seating (511) by the expanding-contracting action of telescopic cylinder (515), the centre of sand launder (501) is provided with funnel (521), described funnel (521) is connected with lower sand mouth (541), and it is adjacent with lower sand mouth (541) both sides, angled stragith edge (570) is had with horizontal plane, eccentric shaft (551) is lifted on the side, lower section of sand launder (501), several eccentric blocks (553) are installed on described eccentric shaft (551) by bearing (552), described eccentric block (553) other end is connected with funnel (521) again, contiguous block (554) is lifted on sand launder (501) lower section, described contiguous block (554) bottom is provided with elastic trachea notch (524) and stragith edge (523), vibrating motor (550) is connected with eccentric shaft (551) one end, and it is fixed on sand launder (501) lower section, add heat pipe (517) and be lifted on the lower section of sand launder (501), it is positioned at the offside of eccentric shaft (551).
Further, magnetic track (625) is fixed on X-axis main backstop (622), equipped with guide rail on magnetic track, X connects to linear electric motors (620) seat (628) that is connected main with the guide rail slide block (614) on guide rail and XY axle, driven by linear electric motors, drive Y-axis module (633) motion, and then driving whole print head assembly (640) in the motion of X-axis, guide rail surrounding X-axis main backstop cover plate (623), X-axis main guide rail protective cover plate (624) and X-axis main guide rail protection (626) carry out mechanical seal;X-axis main backstop both sides configuration X-axis auxiliary support frame (611), X-axis installed above auxiliary guide rail supporting frame (612) is used for fixing guide rail (616), guide rail slide block (614) on guide rail is connected seat (615) and utilizes bolt to carry out closing with X-axis auxiliary, auxiliary drives the X-direction motion of print head assembly (640), and guide rail surrounding X-axis assists guide rail protection (613), guide rail slide block (614), X-axis auxiliary support frame cover plate (618) to seal;Bracing frame utilizes the fixing plate (621) of X-axis auxiliary fixing plate (619) and X-axis master to be connected with 3D printer main body structure, the X-axis of guarantee printer module (640) stroke range in overall 3D printer, y-axis motor (631) is connected by the fixing plate (632) of Y-axis with Y-axis module (633), motor output drives Y-axis mobile link plate (634) in the motion of Y-direction, it is achieved the Y-direction motion of print head assembly (640).
Further, rinser (700) is fixedly mounted by gripper shoe (714), and clean plate (712) is supported by before and after two support bars (713);In sponge mechanism (740), sponge (741) is placed horizontally in sponge gripper shoe (742), and is supported sponge gripper shoe (742) by stage clip (743);Print head cleaning pond (730) is arranged on clean plate (712) below, and there is seal groove (735) between print head cleaning pond (730) and clean plate (712), chromium plated shaft (732) is arranged near print head cleaning pond (730), and equipped with cleaning item (733) and cleaning item installing plate (734) on chromium plated shaft (732), two of which cleaning item (733) clamps cleaning item installing plate (734) by bolt, is finally arranged on chromium plated shaft (732) with fastening key screw cleaning item installing plate (734);Liquid material sensor (731) is used for detecting whether cleanout fluid puts in place, it is ensured that part cleaning item (733) is immersed in cleanout fluid;The same support by clean plate horizontal adjustment stage clip (721) of holding mechanism (720) is arranged on support bar (713), by clean plate horizontal adjustment stage clip (721) adjustable paper fagging (723) highly, it is ensured that paper fagging (723) and the degree requirement of clean plate (712) same plane.
Further, described liquid feeding system (800) including: mounting bracket, liquid material 1 feed system, Mead-Bauer recovery system, cleaning feed system, liquid material 2 feed system, other auxiliary device, wherein, described liquid material 1 feed system includes: add point, 1 grade of filter, motor, storage bin, motor, 2 grades of filters, electromagnetic valve, meter stream valve, executive components;Described Mead-Bauer recovery system includes: each waste collection point, electromagnetic valve, motor, collecting box, filter, receipts motor, check valve, recovery point;Described cleaning feed system includes: abluent adds point, filter, filter, storage box, motor, electromagnetic valve, meter stream valve, cleans point;Described liquid material 2 feed system includes: add point, filter, valve, storage bin, executive component;Other auxiliary device described include: position detecting switch, pressure detection switch, pressure detection switch, pressure detection switch, wiring cabinet.
Further, described mixing device (900) including: Sand pump (910), sand tank (920), main body (930), mixing sand tank (940), sand launder (950);Wherein, Sand pump (910) is installed on sand tank (920) top, mixing sand tank (940) is placed in sand tank (920) lower section, it is internal that described mixing sand tank (940) hangs on main body (930) by crossbeam, sand tank (920), mixing sand tank (940), sand launder (950) install integral installation in main body (930), in described mixing device (900), Sand pump (910), sand tank (920), sand launder (950) are respectively arranged with two sets, and the control between two sets is independent from being independent of each other.
Further, described printhead is disposed below with the superposition placement up and down of rinser (700) and liquid feeding system (800), described rinser (700) and liquid feeding system (800);Described lower portion is provided with heater, can maintain print area constant temperature.
The beneficial effects of the present invention is:
A kind of sand mold 3D printing device provided by the invention, include two or many work boxs, when sanding and print job, two or many work boxs work simultaneously, compared with single work box sand mold 3D printing device of equivalent specifications, within the equal time, can significantly improving printing effect, thus effectively reducing sand mold cost, faster reply produces needs.
Accompanying drawing explanation
Fig. 1: the present invention many work boxs 3D sand mold printing device stereochemical structure front elevation.
Fig. 2: the present invention many work boxs 3D sand mold printing device stereochemical structure back view.
Fig. 3: the present invention many work boxs 3D sand mold printing device cut-away view.
Fig. 4: the present invention many work boxs 3D sand mold printing device structure principle chart.
Fig. 5: work box induction system structure chart of the present invention.
Fig. 6: work box induction system roller cut-away view of the present invention.
Fig. 7: work box overall structure schematic diagram of the present invention.
Fig. 8: work box sealed structural representation of the present invention.
Fig. 9: work box lifting body schematic diagram of the present invention.
Figure 10: work box lifting body structure the first schematic diagram of the present invention.
Figure 11: work box lifting body structure the second schematic diagram of the present invention.
Figure 12: sanding gear embodiment one overall structure schematic diagram of the present invention.
Figure 13: sanding gear embodiment one partial structurtes schematic diagram of the present invention.
Figure 14: sanding gear embodiment two overall structure schematic diagram of the present invention.
Figure 15: sanding gear embodiment two partial structurtes schematic diagram of the present invention.
Figure 16: printhead motion structure schematic diagram of the present invention.
Figure 17: rinser entirety of the present invention composition schematic diagram.
Figure 18: rinser internal structure schematic diagram of the present invention.
Figure 19: liquid feeding system schematic diagram of the present invention.
Figure 20: mixing sand tank external structure of the present invention composition schematic diagram.
Figure 21: mixing sand tank internal structure of the present invention composition schematic diagram.
Figure 22: mixing sand tank operation principle schematic diagram of the present invention.
Figure 23: sand control structure the first schematic diagram under mixing sand tank of the present invention.
Figure 24: sand control structure the second schematic diagram under mixing sand tank of the present invention.
Wherein, 100 main body frames, 200 work box induction systems, 300 work boxs, 900 mixing devices, 010 2 grades of step control towers, 020 guidance panel, 030 folding door, 040 one-level step collapses, 050 safety barrier, 060 controls electricity cabinet, 070 antiquated sand accumulator tank, 080 servo electricity cabinet, 090 source of the gas cabinet, 101 back side observation windows, 102 lateral blisters, cover plate is safeguarded at 103 back sides, 227 roller-lifting machines, 500 sanding gears, 600 printheads, 700 rinser 800 liquid feeding systems, 420 work box jacking motors, 510 sanding gears run module, 520 sanding gears run drive motor 530 shaft coupling, 620 printheads run X to linear electric motors, 633 printheads run Y-direction module, 631 printheads run Y-direction servomotor, 210 roller-way mounting rail 220 roller-way structures, 227 roller-lifting machines, 230 steel grating gripper shoes, 240 steel gratings, 250 supporting leg 260 shaft couplings, 261 motors, 262 motor mounts, 270 connect sand launder, 280 work box clamp system 290 work box detent mechanisms, 221 mounting seats, 222 sprocket wheels, 223 bearings, 224 jump rings, 225 cylinders, 226 support axle, about 311 top, face sealing frames, about 312 face shells, about 313 face liners, about 314 face bottom support framves, about 321 face felt pressure plates, about 322 face felts, 323 work box bases, 324 bottom brackets, 325 front-back felt pressure plates, 326 front-back felts, 331 front-back top sealing frames, 332 front-back shells, 333 front-back liners, 334 front-back bottom support framves, 400 work box lifting bodies, 410 frameworks, 411 left side brackets, 412 bottom brackets, support on the right side of in the of 413, 414 motor cabinets, 420 servos are dynamo-electric, 430 lifting parts, 431 fixing bearings, 432 screw mandrels, 433 feed screw nuts, 434 contiguous blocks, 435 floating bearings, 436 bracers, 437 regulate jackscrew, 438 raising boards, 415 guide rails, 416 slide block 440 drive mechanisms, 441 motors connect axle, 442 drivewheels, 443 contact rollers, 444 belts, 445 driven pulleys, 501 sand launders, 502 screw rods, 503 cover plates, 504 screw drives motors, 505 sand launder bearings, 506 synchronous pulleys, 507 safeguard cover plate, 508 connect sand mouth, 509 sand level sensors, 541 times sand mouths, 542 swing connecting bar, 543 rotary pin shafts, 544 rotary pin shaft bearings, 545 gap adjustable plates, 550 vibrating motors, 551 eccentric shafts, 552 bearings, 553 eccentric blocks, 554 contiguous blocks, 560 sieve sand launders, 570 stragith edges, 511 shaft seatings, 512 rotating shafts, 513 forks, 514 cylinder saddles, 515 telescopic cylinders, 516 limited blocks, 517 add heat pipe, 521 funnels, 522 contiguous blocks, 523 stragith edges, 524 elastic trachea notches, 525 elastic tracheas, 541 times sand mouths, 551 eccentric shafts, 552 bearings, 553 eccentric blocks, 611 X-axis auxiliary support frames, 612 X-axis auxiliary guide rail supporting frames, 613 X-axis auxiliary guide rail protections, 614 guide rail slide blocks, 615 X-axis auxiliary connect seat, 616 guide rails, 617 X-axis auxiliary guide rail protection cover plates, 618 X-axis auxiliary support frame cover plates, 619 X-axis auxiliary fixing plates, 621 X-axis masters fix plate, 622 X-axis main backstops, 623 X-axis main backstop cover plates, 624 X-axis main guide rail protective cover plates, 625 magnetic tracks, 626 X-axis main guide rail protection, 627 X are to linear electric motors, the 628 main connection seats of XY axle, 631 y-axis motors, 632 motor fixing plates, 633 Y-axis modules, 634 Y-axis mobile link plates, 640 print head assemblies, 720 holding mechanisms, 730 print head cleaning ponds, 740 sponge mechanisms, 750 rotary cylinders, 722 dress reels, 711 position sensors, 712 clean plates, 713 support bars, 714 gripper shoes, 715 waste collection grooves, 741 sponges, 742 sponge gripper shoes, 743 stage clips, 731 liquid material sensors, 732 chromium plated shafts, 733 cleaning items, 734 cleaning item installing plates, 735 seal grooves, 723 paper support, 721 clean plate horizontal adjustment stage clips, 736 rinse baths, 821 add point, 822 1 grades of filters, 823 motors, 824 storage bins, 825 motors, 826 2 grades of filters, 827 electromagnetic valves, 828 stream valves, 829 executive components, 831 each waste collection points, 832 electromagnetic valves, 833 motors, 834 collecting boxs, 835 filters, 836 receive motor, 837 check valves, 838 recovery points, 841 abluents add point, 842 filters, 843 filters, 844 storage boxes, 845 motors, 846 electromagnetic valves, 847 stream valves, 848 clean point, 851 add point, 852 filters, 853 valves, 854 storage bins, 855 executive components, 910 Sand pumps, 920 sand tanks, 921 sand inlets, 922 mass sensors, 930 main bodys, 931 switch boards, 932 liquid feeding system bearings, 923 control valve 1, 940 mixing sand tanks, 941 mixing sand tank entrances, 942 mixing sand tank bottoms, 943 motors, 924 vibrating motors 1, 948 sensors, 950 sand launders, 951 lead sand panel beating, 952 control valve 2, 953 vibrating motors 2, 944 cylinders, 945 connect support, 946 sealing blocks, 947 mixing sand tank tops, 949 stirring vanes.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with specific embodiment, the present invention is described in further detail.
The overall structure of the present invention is as Figure 1-4, many work boxs sand mold 3D printing device, including: main body frame (100), work box induction system (200), work box (300), work box lifting body (400), sanding gear (500), printhead (600), rinser (700), liquid feeding system (800), mixing device (900) and electrical system, wherein, main body frame (100) includes at least three root posts, after being completed by three main body frames formed with upper pillar stand (100), form the working region of two or more independence, a set of work box lifting body (400) it is respectively mounted bottom each working region.Described two above independent work box lifting body (400) tops of set are each arranges a set of work box induction system (200), it may be achieved work box (300) moving along Y-direction;The base plate of described work box (300) is portable plate, can be driven by described work box lifting body (400) and lift along Z-direction.Three of described main body frame (100) run module (510) to lay more than three sanding gears above upper pillar stand respectively, described more than three sanding gears are run and are connected by two or more shaft coupling (530) between module (510), and shaft coupling runs drive motor (520) with sanding gear and is connected.The sanding gear (500) of respective amount it is respectively arranged directly over said two or many work boxs (300), described sanding gear (500) is fixed on described more than three sanding gears and runs above the slide block that module (510) is corresponding, runs drive motor (520) by sanding gear and respective amount sanding gear (500) can be driven along Y-direction synchronous operation.Described main body frame (100) inside top is provided with printhead and runs X to linear electric motors (620), described printhead runs X and runs Y-direction module (633) to linear electric motors (620) printhead mounted below, printhead (600) runs Y-direction module (633) with printhead and is connected, running under the X driving running Y-direction servomotor (631) to linear electric motors (620) and printhead at described printhead, printhead (600) can realize the operation of X, Y both direction.Described main body frame (100) top outer is provided with mixing device (900), can be described sanding gear (500) sand supplying.Described printhead (600) Y-direction one end is disposed below with rinser (700) and liquid feeding system (800).The superposition up and down of described rinser (700) and liquid feeding system (800) is placed.Described lower portion is provided with heater, can maintain print area constant temperature;Described heater can be the fluorescent tube of each wave-length coverage, air-conditioning, microwave etc..
An alternative embodiment of the invention, the plurality of sanding gear (500) and printhead (600) job order there is also another combining form, namely each sanding gear (500) is provided with independent sanding gear and runs drive motor (520), each sanding gear (500) can individually carry out sanding work, and each working region having completed sanding is individually carried out print job by printhead (600) in order.
System overall work principle is as follows, and 3D printing sand and liquid material etc. are quantitatively adding respective amount sanding gear (500) after mixing device (900) mixes.Sanding gear runs and drives three 510 sanding gears to drive module synchronization action by two or more shaft coupling (530) when drive motor (520) rotates, drive described respective amount sanding gear (500) along Y-direction synchronous operation, after being respectively completed the sanding action above independent two or many work boxs (300), described sanding gear (500) returns original position, now printhead (600) runs under the X driving running Y-direction servomotor (631) to linear electric motors (620) and printhead at printhead, after the sand surface completing two of sanding or many work boxs (300) top carries out the print job of an all standing back and forth, described printhead (600) resets.Now work box lifting body (400) drives the movable floor of work box (300) to decline (dropping distance 0.1mm ~ 1mm, it is preferable that 0.2mm ~ 0.5mm), repeats above-mentioned sanding, print procedure, until completing whole print job.In above-mentioned sanding print procedure, the blockage resisting of fixed time cleaning and non-working time that rinser (700) realizes printhead (600) is protected, and liquid feeding system (800) provides liquid material as needed for described mixing device (900) with printhead (600).
Described work box (300) exports through work box induction system (200) after completing printing, and external roller-lifting machine (227) carries out the quick exchange of empty van and trunkful, can improve and change case speed, the minimizing waiting time.
An alternative embodiment of the invention, work box induction system (200) structure is as seen in figs. 5-6, supported by three roller-way mounting rails (210), roller-way mounting rail (210) is supported by supporting leg (250), connect sand launder (270) and be arranged in roller-way mounting rail (210), omitting sand for receiving work box (300), steel grating (240) is arranged in steel plate gripper shoe (230), and all above bolt that connects through connects;Mounting seat (221) is welded on roller-way mounting rail (210), mounting seat is connected with supporting axle (226), cylinder (225) and sprocket wheel (222) are bolted, and are fixedly mounted in support axle (226) by bearing (223), are finally locked bearing (223) by jump ring (224);After motor (261) assembles with motor mount (262), side is arranged on roller-way mounting rail (210) by bolt, opposite side is connected with another roller-way mounting rail (210) by shaft coupling (260), work box detent mechanism (290) is arranged on overall framework (100), is used for regulating work box (300) operating position in sand mold 3D printing device.
Work box induction system (200) operation principle is as follows, when work box (300) needs turnover sand mold 3D printing device, shaft coupling (260) is driven to rotate by motor (261), work box (300) both sides roller-way structure (220) are run simultaneously, it is ensured that do not tilt before and after in work box (300) running;Motor (261) passes to shaft coupling (260) power and passes to sprocket wheel (222) by chain, rotarily drives work box (300) walking finally by cylinder (225);Work box (300) runs to sand mold 3D printing device specific bit and postpones, work box clamp system (280) clamps work box (300) to Y-direction, making work box (300) side and work box detent mechanism (290) close contact, work box (300) finally all around reaches to position completely.In sand mold 3D printing device work process, work box (300) has part sand and omits from work box (300) side, omits drop and is received by connecing sand launder (270), clears up finally by vacuum cleaner;After sand mold 3D printing device has printed, driven work box to roll away from by roller-way structure (220) equally, by the outside roller-way of roller-lifting machine (227) lifting work box (300) transport to sand removal position, finally complete work.In the process, two, left and right roller-way structure (220) is simultaneously operable, it is possible to separately work, meets the turnover of multiple work boxs in different time of sand mold 3D printing device.
An alternative embodiment of the invention, work box (300) structure is as Figure 7-8, liner (includes face, left and right liner (313) and front-back liner (333)) and is made up of high-abrasive material, bear the frictional force that internal sand is lasting with felt, shell (includes face, left and right shell (312) and front-back shell (332)) and is made up of high rigid material, constitutes the general frame of work box, it is ensured that the intensity of work box entirety and rigidity, preventing deformation, both are undertaken closing by bolt;Top surrounding installs sealing frame (including top, face, left and right sealing frame (311) and front-back top sealing frame (331)), concordant with sanding gear, it is ensured that in sanding process, leakage sand situation will not occur work box surrounding;Bracing frame (including face, left and right bottom support frame (314), front-back bottom support frame (334) and bottom bracket (324)) is installed in bottom surrounding and bottom surface, for the support of surrounding structure and base (323) move to when bottommost spacing;Felt (including face, left and right felt (322) and front-back felt (326)) is installed on work box base (323) surrounding top, and compressed by bolt with felt pressure plate (including face, left and right felt pressure plate (321) and front-back felt pressure plate (325)), felt and surrounding liner fit tightly, it is ensured that in work box motor process, leakage sand situation will not occur in bottom.
Work box (300) operation principle is as follows, work box base (323) is pushed to top by work box lifting body (400), sanding gear (500) is started working, ensured that sand is only applied to inside work box in the process of sanding by top sealing frame, occur without Lou sand situation, sanding gear (500) has run one layer of sanding, after printhead completes the print job being correlated with, work box base (323) declines level altitude under the effect of jack (400), and repeat above-mentioned sanding, print procedure, until work box base (323) drops to bottommost, complete whole sanding, print job.
An alternative embodiment of the invention, work box lifting body (400) structure as shown in figs. 9-11, including framework (410), servomotor (420), lifts part (430), drive mechanism (440).Servomotor (420), lifting part (430), drive mechanism (440) are arranged on framework (410), and framework (410) is made up of left side brackets (411), bottom bracket (412), right side support (413), motor cabinet (414).Servomotor (420) connects axle (441) by motor and drives drivewheel (442) operating, drivewheel (442) drives driven pulley (445) to move together again through belt (444), and belt (442) carries out tensioning by contact roller (443) in the process rotated.Driven pulley (445) is connected with screw mandrel (432) by key, drives screw mandrel (442) to rotate simultaneously, and the upper and lower end of screw mandrel (442) adopts floating bearing (435) and fixing bearing (431) to be fixed.
Work box lifting body (400) operation principle is as follows, during the work of sand mold 3D printing device, work box (300) arrives specifies position, the lifting part (430) of lifting machine (400) peak in its working range, along with the carrying out printed, in lifting machine (400), servomotor (420) connects axle (441) drive drivewheel (442) operating by motor, drivewheel (442) drives driven pulley (445) to move together again through belt (444), and belt (442) carries out tensioning by contact roller (443) in the process rotated.Driven pulley (445) is connected with screw mandrel (432) by key, drive screw mandrel (442) to rotate simultaneously, screw mandrel (442) upper, lower end adopts floating bearing (435) and fixing bearing (431) to be fixed, screw mandrel (442) is in the process rotated, its feed screw nut installed above (433) moves downward along screw thread, raising board (438) and feed screw nut (433) are attached by contiguous block (434), the process that feed screw nut (433) moves downward drive raising board (438) to move downward by contiguous block (434), raising board (438) is provided with slide block (416), slide block (416) is in the upper slip of guide rail (415), wherein, guide rail is known to be arranged on support and can also individually be vertically arranged, ensure that raising board (438) moves up and down not offset, in whole motor process, work box (300) supports by four bracers (436), work box (300) level is kept by controlling to adjust the position of jackscrew (437), after whole print procedure completes, lifting machine (400) moves upward again, return to original original position to be again operated.
An alternative embodiment of the invention, the structure of sanding gear (500) first embodiment is as illustrated by figs. 12-13, sanding gear (500) is the structure of a kind of unidirectional sanding, specifically as shown in the figure, for adapting to big span (more than 2m) sanding requirement, sand launder (501) is designed as two rectangular tubes and is spliced, and leaves space in order to store sand in the middle of square tube.Having cover plate (503) at sand launder (501) above through gemel connection, described cover plate (503) can rotate around hinge;Cover plate (503) one end is provided with and connects sand mouth (508), the other end installs screw drives motor (504), being lifted with screw rod (502) immediately below described cover plate (503), described screw rod (502) is connected with described screw drives motor (504) by synchronous pulley (506) and Timing Belt.The centre of sand launder (501) is provided with sieve sand launder (560), and described sieve sand launder (560) lower section is lower sand mouth (541), and it is stragith edge (570) that adjacent with lower sand mouth (541) rear portion and horizontal plane has the flat board of certain angle, the angle ranging from 0 ~ 5 °.
Eccentric shaft (551) is lifted on the side, lower section of sand launder (501), there is the fixing support in some places centre, several eccentric blocks (553) are installed on described eccentric shaft (551) by bearing (552), described eccentric block (553) lower end is connected by pin with between contiguous block (554) again, described contiguous block (554) back side is provided with stragith edge (570), vibrating motor (550) is connected with eccentric shaft (551) one end, and is fixed on sand launder (501) lower section.Described contiguous block (554) is connected with rotary pin shaft bearing (544) by swing connecting bar (542) and connection bearing pin (543) together with the stragith edge (570) of the side of being fixed thereon, and described rotary pin shaft bearing (544) is arranged on the lower section of sand launder (501).
The operation principle of sanding gear (500) embodiment one is as follows, and sand adds sand launder (501) through connecing sand mouth (508), after sand level sensor (509) display detects full sand signal, stops adding sand.Add sand screw rod (502) simultaneously and start uniform rotation under the driving of helical feed motor (504), sand is evenly distributed in whole sand launder (501) internal.When sanding action starts, the sand of sand launder (501) inside, after the sand launder that sieves (560) filters, uniformly spills from lower sand mouth (541), and stragith edge (570) synchronous operation strikes off the sand spilt.In sanding process, under vibrating motor (550) drives, eccentric shaft (551) makes high speed rotary motion under the support of bearing (552), contiguous block (554) is driven to pump, contiguous block (554) drives again stragith edge (570) to do dither, the sand struck off is simultaneously by good consolidation, thus reaching the effect improving sand mold density with intensity.By adjusting frequency and the rotating speed of vibrating motor (550), different sand mold density and intensity can be obtained.
An alternative embodiment of the invention, the structure of sanding gear (500) second embodiment is as shown in figs. 14-15, sanding gear (500) is the structure of a kind of two-way sanding, specifically as shown in the figure, for adapting to big span (more than 2m) sanding requirement, sand launder (501) is designed as two rectangular tubes and is spliced, and leaves space in order to store sand in the middle of square tube.Having cover plate (503) at sand launder (501) above through gemel connection, described cover plate (503) can rotate around hinge;Cover plate (503) one end is provided with and connects sand mouth (508), the other end installs screw drives motor (504), being lifted with screw rod (502) immediately below described cover plate (503), described screw rod (502) is connected with described screw drives motor (504) by synchronous pulley (506) and Timing Belt.Sand launder (501) and affiliated installed part thereof are installed in shaft seating (511) entirely through the rotating shaft (512) of both sides, described shaft seating (511) maintains static, it is arranged above fork (513), described sand launder (521) both sides are provided with cylinder saddle (514), described cylinder saddle (514) is connected to telescopic cylinder (515) by bearing pin, the cylinder rod of described telescopic cylinder (515) is connected by pin with fork (513) again, sand launder (501) and affiliated installing component thereof can be driven to rotate entirely around shaft seating (511) by the expanding-contracting action of telescopic cylinder (515).The centre of sand launder (501) is provided with funnel (521), described funnel (521) lower section is lower sand mouth (541), it is stragith edge (570) that adjacent with lower sand mouth (541) both sides and horizontal plane has the flat board of certain angle, the angle ranging from-5 ° ~ 5 °, telescopic cylinder (515) can be passed through and limited block (516) adjusts.Except carrying out angular adjustment above by telescopic cylinder, regulate also by modes such as electric rotating machine, rotary cylinder, rack-and-pinion, worm and gears, it is possible to be adjusted manually.
Eccentric shaft (551) is lifted on the side, lower section of sand launder (501), there is the fixing support in some places centre, several eccentric blocks (553) are installed on described eccentric shaft (551) by bearing (552), described eccentric block (553) other end is connected with funnel (521) again, contiguous block (554) is lifted on sand launder (501) lower section, described contiguous block (554) bottom is provided with elastic trachea notch (524) and stragith edge (523), vibrating motor (550) is connected with eccentric shaft (551) one end, and is fixed on sand launder (501) lower section.Add heat pipe (517) and be lifted on the lower section of sand launder (501), be positioned at the offside of eccentric shaft (551).
The operation principle of sanding gear (500) embodiment two is as follows, and sand adds sand launder (501) through connecing sand mouth (508), after sand level sensor (509) display detects full sand signal, stops adding sand.Add sand screw rod (502) simultaneously and start uniform rotation under the driving of helical feed motor (504), sand is evenly distributed in whole sand launder (501) internal.When sanding action starts, the sand of sand launder (501) inside, after funnel (521) water conservancy diversion, uniformly spills from lower sand mouth (541), and stragith edge (523) synchronous operation strikes off the sand spilt.In sanding process, under vibrating motor (550) drives, eccentric shaft (551) makes high speed rotary motion under the support of bearing (552), eccentric block (553) is driven to move reciprocatingly, eccentric block (553) drives again funnel (521) to do dither so that sand can flow out from the lower sand mouth (541) of funnel (521) lower section smoothly.The gap size of described lower sand mouth (541) can be passed through elastic trachea (525) and regulate, by the gap (preferred gap is 0 ~ 6mm) between size adjustment elasticity trachea (525) of control air pressure, thus reaching to regulate the effect of lower sand amount.The advantage of described embodiment two is in that to be capable of two-way sanding, during sanding, stragith edge (523) and the inclination angle (-5 ° ~ 5 °) of horizontal plane accurately obtain by controlling flexible and limited block (516) the position of telescopic cylinder (515), run idle stroke thus eliminating sanding gear (500) and improve the work efficiency of sand mold 3D printing device.Be arranged in sand launder (501) lower section add heat pipe (517) can according to printing need to printed material heat, by the adjustment of heating-up temperature being obtained different sand mold intensity and hardening time.The described layout adding heat pipe (517) and working method are simultaneously suitable in any 3D sand mold printing device needs the occasion to printed material and sand mold heating.
An alternative embodiment of the invention, as shown in figure 16, the motion of print head assembly (640) is mainly matched print head assembly (640) structure by the motion of X-axis and the motion of Y-axis, completes 3D print job.Magnetic track (625) is fixed on X-axis main backstop (622), magnetic track fills two guide rails (616), X is connected with to linear electric motors (627) seat (628) profit that is connected main with guide rail slide block (614) and XY axle, driven by linear electric motors, drive Y-axis module (633) motion, and then drive whole print head assembly (640) in the motion of X-axis.Surrounding X-axis main backstop cover plate (623), X-axis main guide rail protective cover plate (624) and X-axis main guide rail protection (626) carry out mechanical seal, it is prevented that the impurity such as dust enter guide rail and motor and then affect working effect.Owing to 3D printer model is excessive, single X can not meet printer rigidity to support, therefore both sides configuration X-axis auxiliary support frame (611), X-axis installed above auxiliary guide rail supporting frame (612) is used for fixing guide rail (616), guide rail slide block (614) on guide rail is connected seat (615) and utilizes bolt to carry out closing with X-axis auxiliary, auxiliary drives the X-direction motion of print head assembly (640), surrounding X-axis assists guide rail protection (613), guide rail slide block (614), X-axis auxiliary support frame cover plate (618) to seal, it is ensured that guide rail working environment clean.X-axis main backstop (622) and X-axis auxiliary support frame (611) collectively form the X-axis stroke that print head assembly (640) runs, it is ensured that printhead X-axis rigidity.Bracing frame utilizes the fixing plate (621) of X-axis auxiliary fixing plate (619) and X-axis master to be connected with 3D printer main body structure, it is ensured that the X-axis of printer module (640) stroke range in overall 3D printer.Y-axis motor (631) is connected by the fixing plate (632) of Y-axis with Y-axis module (633), and motor output drives Y-axis mobile link plate (634) in the motion of Y-direction, it is achieved the Y-direction motion of print head assembly (640).
Printhead (600) operation principle is as follows, print head assembly (640) drives, by the interior linear electric motors of the main support unit of X-axis (620), the motion realizing X-axis, for the problem that X-axis stroke is long, magnetic railings ruler is utilized to realize being accurately positioned of print head assembly (640) X-direction, both sides utilize the auxiliary that X-axis auxiliary support unit (610) completes general frame to support, it is ensured that the rigidity of print head assembly and printer body.Print head assembly (640) realizes the motion of Y-axis by Y-axis unit, and the grating scale structure in the system of utilization own realizes being accurately positioned of Y-direction.X-axis and Y-axis cooperate, it is achieved print head assembly (640) realizes corresponding motion according to schedule.
An alternative embodiment of the invention, rinser (700) structure is as shown in figs. 17-18, it is arranged on 3D sand mold printing device by gripper shoe (714) and specifies position, clean plate (712) is supported by before and after two support bars (713), and clean plate (712) is connected by the bolt that connects through between two support bars (713) support, levelness and the height of clean plate (712) is met, it is ensured that flatness between printhead plane and service sink plate (712) and distance in 3D sand mold printing device by adjusting clean plate horizontal adjustment stage clip (721);In sponge mechanism (740), sponge (741) is placed horizontally in sponge gripper shoe (742), and is supported sponge gripper shoe (742) by stage clip (743), and the height of sponge (741) can by flexible being adjusted of stage clip (743);Print head cleaning pond (730) be arranged on clean plate (712) just below, and there is rectangular seal groove (735) between print head cleaning pond (730) and clean plate (712), chromium plated shaft (732) device is before and after print head cleaning pond (730), and equipped with cleaning item (733) and cleaning item installing plate (734) on chromium plated shaft (732), two of which cleaning item (733) clamps cleaning item installing plate (734) by bolt, is finally arranged on chromium plated shaft (732) with fastening key screw cleaning item installing plate (734);Liquid material sensor (731) is used for detecting whether cleanout fluid puts in place, it is ensured that part cleaning item (733) is immersed in cleanout fluid;The same support by clean plate horizontal adjustment stage clip (721) of holding mechanism (720) is arranged on support bar (713), by clean plate horizontal adjustment stage clip (721) adjustable paper fagging (723) highly, it is ensured that paper fagging (723) and the degree requirement of clean plate (712) same plane.
Rinser (700) operation principle is as follows, when printhead in 3D sand mold printing device needs to clean, run to directly over print head cleaning pond (730) to X side, rotary cylinder (750) left-right rotation drives chromium plated shaft (730) to rotate, cleaning item (733) on chromium plated shaft (730) and printhead have certain angle to start to clean printhead, on printhead, the lower waste liquid of cleaning is collected by waste collection groove (715), and last entirety is drained;When 3D sand mold printing device needs to adjust printhead precision, printhead runs to directly over holding mechanism (720), is gone out the positive printhead precision of linearity deemphasis of " one " font powder by printhead printhead on paper;When 3D sand mold printing device needs maintenance to shut down, printhead can run to sponge mechanism (740) top, and the liquid material in sponge (741) can keep the long lower surface of printhead moistening to prevent printhead from blocking for a long time.
An alternative embodiment of the invention, liquid feeding system (800) structure is as shown in figure 19, not shown including mounting bracket 810(), liquid material 1 feed system 820, Mead-Bauer recovery system 830, clean feed system 840, liquid material 2 feed system 850, other auxiliary device 860.Described liquid material 1 feed system 820 includes: add 821,1 grade of filter 822 of point, motor 823, storage bin 824,825,2 grades of filters 826 of motor, electromagnetic valve 827, meter stream valve 828, executive component 829.Described Mead-Bauer recovery system 830 includes: each waste collection point 831, electromagnetic valve 832, motor 833, collecting box 834, filter 835, receipts motor 836, check valve 837, recovery point 838.Described cleaning feed system 840 includes: abluent adds point 841, filter 842, filter 843, storage box 844, motor 845, electromagnetic valve 846, meter stream valve 847, cleans point 848.Described liquid material 2 feed system includes: add point 851, filter 852, valve 853, storage bin 854, executive component 855.Other auxiliary device described include: position detecting switch 861(is not shown), pressure detection switch 862(not shown), pressure detection switch 863(not shown), pressure detection switch 864(not shown), wiring cabinet 865(not shown).
Liquid feeding system (800) operation principle is as follows, and described interpolation point, recovery point all concentrate on a place, and quantity is not intended to;Described storage bin is a multiple interlayer of casing, and quantity is not intended to, and all liq storage box is arranged in a casing;Described motor, filter are all arranged on storage bin by installing plate.Described all parts are connected by pipeline and joint, it is ensured that unimpeded in the same circuit.
Described charging system is independent loop, is joined in storage bin by extraneous addition point is unified;Described Mead-Bauer recovery system is unique Mead-Bauer recovery system, all waste liquids, no matter is that single or multiple all unifications focus in waste liquid storage tank, unified eliminating.A pressure detection switch it is equipped with, at any time amount of liquid in detection storage box bottom more excellent described single storage box.More excellent described storage box top is connected with exhausted bath box each through pipeline, it is ensured that liquid material adds excessive rear liquid and fully enters in exhausted bath box.More excellent exhausted bath box top is provided with position detecting switch 861, at any time liquid height in detection exhausted bath box.
An alternative embodiment of the invention, mixing device (900) structure as illustrated in figs. 20-24, is made up of Sand pump (910), sand tank (920), main body (930), mixing sand tank (940), sand launder (950) etc..Sand pump (910) is installed on sand tank (920) top, and guarantees positive confinement, and mixing sand tank (940) is placed in sand tank (920) lower section, and it is internal that described mixing sand tank (940) hangs on main body (930) by crossbeam.Sand tank (920), mixing sand tank (940), sand launder (950) install integral installation in main body (930), main body (930) both sides are separately installed with switch board (931), liquid tank support (932) etc., and LOAD CELLS, motor, control valve are controlled by switch board (931).
In described mixing device (900), Sand pump (910), sand tank (920), sand launder (950) are respectively arranged with two sets, control between two sets is independent from being independent of each other, so both increased the capacity of storage sand, it is applicable to single sanding gear again and multiple sanding gear works simultaneously, improve the efficiency of equipment.Sand tank (920), mixing sand tank (940), sand launder (950) are all mounted in main body (930), and main body (930) self also includes switch board (931), liquid tank support (932) and relevant sensor, motor, control valve are all be controlled by switch board (931).
Mixing sand tank (900) operation principle is as follows, when sand mold 3D printing device is started working, Sand pump (910) ventilation work, sand enters in sand tank (920) along the sand inlet (921) of sand tank (920) under the effect of Sand pump (910), the mass sensor (922) being arranged on sand tank (920) bottom surrounding is measured and feeds back weight change, when when the reaching setting value of weight of sand in sand tank (920), mass sensor (922) sends signal, and Sand pump (910) quits work.After the sand in sand tank (920) reaches setting value, control valve 1(923) automatically open up, vibrating motor (924) is started working, sand enters in mixing sand tank (940) along mixing sand tank entrance (941), liquid material enters in mixing sand tank (940) according to specific ratio (3% ~ 20%) by pipeline simultaneously, the motor (943) of mixing sand tank bottom (942) drives stirring vane (949) high-speed rotation together, after sand and liquid material can be stirred, now cylinder (944) the band support (945) that is dynamically connected starts to move upward, sealing block (946) is opened, the sand mixed and liquid material enter in sand launder (950), control valve 2(952) open, vibrating motor 2(953) start working, sand enters in sanding gear (500) along leading sand panel beating (951), sand in sanding gear (500) is detected by sensor (948), control valve 2 after arriving specified altitude assignment to close, vibrating motor 2(953) quit work.Repeat above-mentioned action to realize continuous print and automatically inhale sand, mulling, to add sand function.
Being characterized in that of described mixing sand tank (940), structure is divided on mixing sand tank part (947) and mixing sand tank lower part (942), the mode adopting upper and lower docking links together, mixing sand tank lower part (942) and sand often in contact with part adopt rustless steel and other wear resistant corrosion resistant materials to be made, inside scribbles high-abrasive material, increases its wearability, increases the service life, only need to change mixing sand tank lower part (942) simultaneously when tank body weares and teares, change simple and save cost.Sand export goes out to adopt arc-shaped sealing block (946) to seal, and also has sealing strip to assist, it is prevented that tiny sand flows out from gap on sealing block simultaneously.Stirring vane (949) adopts circular arc and flat board bending to combine so that it is stirring area increases, and improves stirring efficiency, stirs more uniform simultaneously.
Above one many work boxs sand mold 3D printing device provided by the present invention is described in detail, principle and the embodiment of the application are set forth by embodiment used herein, and the explanation of above example is only intended to help and understands the present processes and core concept thereof;Simultaneously for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this specification content should not be construed as the restriction to the application.

Claims (10)

1. work box sand mold 3D printing device more than a kind, including: main body frame 100, work box induction system (200), work box (300), work box lifting body (400), sanding gear (500), printhead (600), rinser (700), liquid feeding system (800), mixing device (900) and electrical system, it is characterised in that:
Main body frame (100) includes at least three root posts, after described main body frame is completed, forms the working region of two or more independence, is respectively mounted a set of work box lifting body (400) bottom each working region;
The top of each described work box lifting body (400) respectively arranges a set of work box induction system (200), is used for driving work box (300) moving along Y direction;
Described work box (300) includes base plate, and it is portable plate, work box can be driven to lift along Z-direction by described work box lifting body (400);
Lay a sanding gear above each column of at least three root posts of described main body frame (100) respectively and run module (510), sanding gear described at least three is run and is connected by least two shaft coupling (530) between module (510), shaft coupling runs drive motor (520) with sanding gear and is connected, sanding gear described at least two (500) is fixed on described at least three sanding gear and runs above the slide block that module (510) is corresponding, runs drive motor (520) by sanding gear and drives respective amount sanding gear (500) along Y direction synchronous operation;The described work box (300) of respective amount it is respectively arranged below each sanding gear of described at least two sanding gear (500);
Described main body frame (100) inside top is provided with printhead and runs X to linear electric motors (620), described printhead runs X and runs Y-direction module (633) to linear electric motors (620) printhead mounted below, printhead (600) runs Y-direction module (633) with printhead and is connected, running under the X driving running Y-direction servomotor (631) to linear electric motors (620) and printhead at described printhead, printhead (600) can realize the operation of X-axis, Y-axis both direction;
Described main body frame (100) top outer is provided with mixing device (900), for described sanding gear (500) sand supplying.
2. equipment according to claim 1, it is characterized in that, described work box induction system (200) includes at least three roller-way mounting rail (210), roller-way mounting rail (210) is supported by supporting leg (250), mounting seat (221) is fixed on the side of roller-way mounting rail (210), mounting seat is connected with supporting axle (226), cylinder (225) and the fixing connection of sprocket wheel (222), and it is fixedly mounted in support axle (226) by bearing (223), finally locked bearing (223) by jump ring (224);Connect sand launder (270) to be arranged between roller-way mounting rail (210), be used for receiving work box (300) and omit sand;After motor (261) assembles with motor mount (262), side is fixedly mounted on roller-way mounting rail (210), opposite side is connected with another root roller-way mounting rail (210) by shaft coupling (260), work box detent mechanism (290) is arranged on overall framework (100), is used for regulating work box (300) operating position in sand mold 3D printing device.
3. equipment according to claim 1, it is characterized in that, work box (300) includes liner, shell, sealing frame, bracing frame and felt, wherein, liner is made up of high-abrasive material, and shell is made up of rigid material, and top surrounding installs sealing frame, concordant with sanding gear, it is ensured that in sanding process, leakage sand situation will not occur work box surrounding;Bracing frame is installed in bottom surrounding and bottom surface, for the support of surrounding structure and base (323) move to when bottommost spacing;Felt is installed on work box base (323) surrounding top, and is compressed by bolt with felt pressure plate, and felt and surrounding liner fit tightly, it is ensured that in work box motor process, leakage sand situation will not occur in bottom.
4. equipment according to claim 1, it is characterised in that described work box lifting body (400) including: framework (410), servomotor (420), lifting part (430), drive mechanism (440);Servomotor (420), lifting part (430), drive mechanism (440) are arranged on framework (410), framework (410) is made up of left side brackets (411), bottom bracket (412), right side support (413), motor cabinet (414), servomotor (420) connects axle (441) by motor and drives drivewheel (442) operating, drivewheel (442) drives driven pulley (445) to move together again through belt (444), and belt (442) carries out tensioning by contact roller (443) in the process rotated;Driven pulley (445) is connected with screw mandrel (432) by key, drive screw mandrel (442) to rotate simultaneously, screw mandrel (442) upper, lower end adopts floating bearing (435) and fixing bearing (431) to be fixed, screw mandrel (442) is provided with feed screw nut (433), rotation along with screw mandrel, feed screw nut (433) moves up and down along screw thread, raising board (438) and feed screw nut (433) are attached by contiguous block (434), raising board (438) is provided with slide block (416), slide block (416) is in the upper slip of upright guide rail (415), the top of raising board (438) is provided with a bracer and regulates jackscrew, for support works case (300) in whole motor process, and keep work box (300) level by controlling to adjust the position of jackscrew (437).
5. equipment according to claim 1, it is characterized in that, described sanding gear (500) includes sand launder (501), in order to store sand, at sand launder (501) above through being connected to cover plate (503), cover plate (503) one end is provided with and connects sand mouth (508), the other end installs screw drives motor (504), it is lifted with screw rod (502) immediately below described cover plate (503), described screw rod (502) is connected with described screw drives motor (504) by synchronous pulley (506) and Timing Belt, the centre of sand launder (501) is provided with sieve sand launder (560), described sieve sand launder (560) is connected with lower sand mouth (541), and it is adjacent with lower sand mouth (541) rear portion, angled stragith edge is had with horizontal plane;Eccentric shaft (551) is lifted on the side, lower section of sand launder (501), several eccentric blocks (553) are installed on described eccentric shaft (551) by bearing (552), described eccentric block (553) lower end is connected with between contiguous block (554) again, described contiguous block (554) back side is provided with stragith edge (570), vibrating motor (550) is connected with eccentric shaft (551) one end, and it is fixed on sand launder (501) lower section, described contiguous block (554) is connected with rotary pin shaft bearing (544) by swing connecting bar (542) and connection bearing pin (543) together with the stragith edge (570) of the side of being fixed thereon, described rotary pin shaft bearing (544) is arranged on the lower section of sand launder (501).
6. equipment according to claim 1, it is characterized in that, described sanding gear (500) includes sand launder (501), in order to store sand, it is connected above cover plate (503) at sand launder (501), cover plate (503) one end is provided with and connects sand mouth (508), the other end installs screw drives motor (504), it is lifted with screw rod (502) immediately below described cover plate (503), described screw rod (502) is connected with described screw drives motor (504) by synchronous pulley (506) and Timing Belt, sand launder (501) and affiliated installed part thereof are installed in shaft seating (511) entirely through the rotating shaft (512) of both sides, described shaft seating (511) maintains static, it is arranged above fork (513), described sand launder (521) both sides are provided with cylinder saddle (514), described cylinder saddle (514) is connected to telescopic cylinder (515) by bearing pin, the cylinder rod of described telescopic cylinder (515) is connected by pin with fork (513) again, sand launder (501) and affiliated installing component thereof can be driven to rotate entirely around shaft seating (511) by the expanding-contracting action of telescopic cylinder (515), the centre of sand launder (501) is provided with funnel (521), described funnel (521) is connected with lower sand mouth (541), and it is adjacent with lower sand mouth (541) both sides, angled stragith edge (570) is had with horizontal plane, eccentric shaft (551) is lifted on the side, lower section of sand launder (501), several eccentric blocks (553) are installed on described eccentric shaft (551) by bearing (552), described eccentric block (553) other end is connected with funnel (521) again, contiguous block (554) is lifted on sand launder (501) lower section, described contiguous block (554) bottom is provided with elastic trachea notch (524) and stragith edge (523), vibrating motor (550) is connected with eccentric shaft (551) one end, and it is fixed on sand launder (501) lower section, add heat pipe (517) and be lifted on the lower section of sand launder (501), it is positioned at the offside of eccentric shaft (551).
7. equipment according to claim 1, it is characterized in that, magnetic track (625) is fixed on X-axis main backstop (622), equipped with guide rail on magnetic track, X connects to linear electric motors (620) seat (628) that is connected main with the guide rail slide block (614) on guide rail and XY axle, driven by linear electric motors, drive Y-axis module (633) motion, and then driving whole print head assembly (640) in the motion of X-axis, guide rail surrounding X-axis main backstop cover plate (623), X-axis main guide rail protective cover plate (624) and X-axis main guide rail protection (626) carry out mechanical seal;X-axis main backstop both sides configuration X-axis auxiliary support frame (611), X-axis installed above auxiliary guide rail supporting frame (612) is used for fixing guide rail (616), guide rail slide block (614) on guide rail is connected seat (615) and utilizes bolt to carry out closing with X-axis auxiliary, auxiliary drives the X-direction motion of print head assembly (640), and guide rail surrounding X-axis assists guide rail protection (613), guide rail slide block (614), X-axis auxiliary support frame cover plate (618) to seal;Bracing frame utilizes the fixing plate (621) of X-axis auxiliary fixing plate (619) and X-axis master to be connected with 3D printer main body structure, the X-axis of guarantee printer module (640) stroke range in overall 3D printer, y-axis motor (631) is connected by the fixing plate (632) of Y-axis with Y-axis module (633), motor output drives Y-axis mobile link plate (634) in the motion of Y-direction, it is achieved the Y-direction motion of print head assembly (640).
8. equipment according to claim 1, it is characterised in that rinser (700) is fixedly mounted by gripper shoe (714), clean plate (712) is supported by before and after two support bars (713);In sponge mechanism (740), sponge (741) is placed horizontally in sponge gripper shoe (742), and is supported sponge gripper shoe (742) by stage clip (743);Print head cleaning pond (730) is arranged on clean plate (712) below, and there is seal groove (735) between print head cleaning pond (730) and clean plate (712), chromium plated shaft (732) is arranged near print head cleaning pond (730), and equipped with cleaning item (733) and cleaning item installing plate (734) on chromium plated shaft (732), two of which cleaning item (733) clamps cleaning item installing plate (734) by bolt, is finally arranged on chromium plated shaft (732) with fastening key screw cleaning item installing plate (734);Liquid material sensor (731) is used for detecting whether cleanout fluid puts in place, it is ensured that part cleaning item (733) is immersed in cleanout fluid;The same support by clean plate horizontal adjustment stage clip (721) of holding mechanism (720) is arranged on support bar (713), by clean plate horizontal adjustment stage clip (721) adjustable paper fagging (723) highly, it is ensured that paper fagging (723) and the degree requirement of clean plate (712) same plane.
9. equipment according to claim 1, it is characterized in that, described liquid feeding system (800) including: mounting bracket, liquid material 1 feed system, Mead-Bauer recovery system, cleaning feed system, liquid material 2 feed system, other auxiliary device, wherein, described liquid material 1 feed system includes: add point, 1 grade of filter, motor, storage bin, motor, 2 grades of filters, electromagnetic valve, meter stream valve, executive components;Described Mead-Bauer recovery system includes: each waste collection point, electromagnetic valve, motor, collecting box, filter, receipts motor, check valve, recovery point;Described cleaning feed system includes: abluent adds point, filter, filter, storage box, motor, electromagnetic valve, meter stream valve, cleans point;Described liquid material 2 feed system includes: add point, filter, valve, storage bin, executive component;Other auxiliary device described include: position detecting switch, pressure detection switch, pressure detection switch, pressure detection switch, wiring cabinet.
10. equipment according to claim 1, it is characterised in that described mixing device (900) including: Sand pump (910), sand tank (920), main body (930), mixing sand tank (940), sand launder (950);Wherein, Sand pump (910) is installed on sand tank (920) top, mixing sand tank (940) is placed in sand tank (920) lower section, it is internal that described mixing sand tank (940) hangs on main body (930) by crossbeam, sand tank (920), mixing sand tank (940), sand launder (950) install integral installation in main body (930), in described mixing device (900), Sand pump (910), sand tank (920), sand launder (950) are respectively arranged with two sets, and the control between two sets is independent from being independent of each other.
CN201610233157.8A 2016-04-15 2016-04-15 A kind of many work box sand mold 3D printing equipment Active CN105710294B (en)

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CN201610233157.8A CN105710294B (en) 2016-04-15 2016-04-15 A kind of many work box sand mold 3D printing equipment
RU2018101697A RU2690324C1 (en) 2016-04-15 2016-08-24 Device for three-dimensional sand printing with several working chambers
CU2018000012A CU24527B1 (en) 2016-04-15 2016-08-24 SANDMOLD 3D PRINTING DEVICE FOR MULTIPLE WORKBOXES
TR2017/22029T TR201722029T1 (en) 2016-04-15 2016-08-24 Multifunction Work Box Sand Mold 3D Printing Device
MX2018000750A MX2018000750A (en) 2016-04-15 2016-08-24 Sand-mold 3d printing device with multiple working boxes.
UAA201710311A UA122408C2 (en) 2016-04-15 2016-08-24 Sand-mold 3d printing device with multiple working boxes
PCT/CN2016/096495 WO2017177603A1 (en) 2016-04-15 2016-08-24 Sand-mold 3d printing device with multiple working boxes
BR112018000773A BR112018000773A2 (en) 2016-04-15 2016-08-24 multiple work box sand mold 3d printing device
ZA2018/00054A ZA201800054B (en) 2016-04-15 2018-01-04 Multi-workbox sand mold 3d printing device

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UA122408C2 (en) 2020-11-10
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BR112018000773A2 (en) 2018-09-04
TR201722029T1 (en) 2018-07-23

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Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298

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