CN105710294B - A kind of many work box sand mold 3D printing equipment - Google Patents

Abstract

A kind of many work box sand mold 3D printing equipment of the present invention, including：Main body frame（100）, work box induction system（200）, work box（300）, work box lifting body（400）, sanding gear（500）, printhead（600）, cleaning device（700）, liquid feeding system（800）, mixing device（900）And electrical system.A kind of sand mold 3D printing equipment that the present invention is provided, include two or many work boxs, with reference to matched mixing sand tank, synchronous operation sanding gear, penetration type printhead, work box synchronization lifting mechanism and electrical system etc., sanding is worked simultaneously with two during print job or many work boxs, compared with single work box sand mold 3D printing equipment of equivalent specifications, within the equal time, printing effect can be significantly improved, so as to effectively reduce sand mold cost, faster reply production needs.

Description

A kind of many work box sand mold 3D printing equipment

Technical field

The invention belongs to 3D printing field, is mainly used in the 3D printing field of casting sand mold mould, and in particular to one The many work box sand mold 3D printing equipment planted with multiple work boxs and can print simultaneously.

Background technology

Sand mold 3D printing equipment generally existing printing effect is too low at present, time cost is high, can not meet production needs Problem.Main reason is that the structure composition of sand mold printing device is similar to, by single work box and sanding gear, the first-class work(of printing Energy module composition, and the job order of each functional module is also substantially stationary with required time, makees box-shaped formula as improved either simplex The printing effect of sand mold printing device, often can only set about from increased in size, in terms of improving speed of service etc..But because of equipment chi Very little to can adjust limited space with the speed of service, the effect brought using said method raising printing effect is unsatisfactory, still can not Meet production needs, and the fast development of sand mold 3D printing application is needed proposition badly and can significantly improve the feasible of printing effect Scheme.Although in prior art, notification number discloses a kind of 3D printing production line for the patent documentation of CN203887169U, and sets Count at least two work boxs to improve the achievement in research of printing effect, but the technology for applicant's early stage, the essence of the structure Print job is carried out for two or more work box rotations, when a work box completes print job, the work of another sky Case can come to fill up room quickly to be continued to print, therefore the same time can only have a work box to carry out print job, not Sanding and printing while multiple work boxs are realized, and, the prior art is in printhead, sanding gear and driving means etc. Shortcomings on device, it is impossible to realize the demand for printing simultaneously.Therefore, how to design it is a kind of have multiple work boxs and can while Problem of many work box sand mold 3D printing equipment for printing for this area urgent need to resolve.

The content of the invention

A kind of sand mold 3D printing equipment that the present invention is provided, includes two or many work boxs, mixes with reference to matched Silo, synchronous operation sanding gear, penetration type printhead, work box synchronization lifting mechanism and electrical system etc., sanding is made with printing Two or the work simultaneously of many work boxs during industry, compared with single work box sand mold 3D printing equipment of equivalent specifications, in the equal time It is interior, printing effect can be significantly improved, so as to effectively reduce sand mold cost, faster reply production needs.

To solve above-mentioned technical problem, the technical solution used in the present invention is：

A kind of many work box sand mold 3D printing equipment, including：Main body frame（100）, work box induction system（200）, work Make case（300）, work box lifting body（400）, sanding gear（500）, printhead（600）, cleaning device（700）, liquid feeding system （800）, mixing device（900）And electrical system, it is characterised in that：

Main body frame（100）Including at least three root posts, after the main body frame is completed, two or more independence is formed Working region, each working region bottom is respectively mounted a set of work box lifting body（400）；

Each described work box lifting body（400）Top a set of work box induction system is respectively set（200）, for driving Dynamic work box（300）Moving along Y direction；

The work box（300）Including base plate, which is portable plate, can pass through the work box lifting body（400）Drive Work box is lifted along Z-direction；

The main body frame（100）At least three root posts each column above lay sanding gear operation mould respectively Group（510）, sanding gear operation module described at least three（510）Between pass through at least two shaft couplings（530）Connection, shaft coupling Motor is run with sanding gear（520）Connection, sanding gear described at least two（500）It is fixed at least three sanding gear Operation module（510）Above corresponding slide block, motor is run by sanding gear（520）Drive respective amount sanding gear （500）Run simultaneously along Y direction；At least two sanding gear（500）Each sanding gear below be respectively arranged correspondence number The work box of amount（300）；

The main body frame（100）Inside top is provided with printhead and runs X to linear electric motors（620）, the printhead X is to linear electric motors for operation（620）Lower section is installed by printhead operation Y-direction module（633）, printhead（600）Y-direction is run with printhead Module（633）Connection, runs X to linear electric motors in the printhead（620）Y-direction servomotor is run with printhead（631）'s Under driving, printhead（600）The operation of achievable X-axis, Y-axis both direction；

The main body frame（100）Top outer is provided with mixing device（900）, it is the sanding gear（500）Sand supplying.

Further, the work box induction system（200）Including at least three roller-way mounting rails（210）, roller-way installation Beam（210）By supporting leg（250）Support, mounting seat（221）It is fixed on roller-way mounting rail（210）Side, mounting seat and support shaft （226）Connection, cylinder（225）And sprocket wheel（222）It is fixedly connected, and by bearing（223）It is fixedly mounted on support shaft（226）On, Finally by jump ring（224）Locking bearing（223）；Connect sand launder（270）Installed in roller-way mounting rail（210）Between, for receiving work Make case（300）Omit sand；Motor（261）With motor mount（262）After assembling, side is fixedly mounted on roller-way mounting rail （210）On, opposite side passes through shaft coupling（260）With another roller-way mounting rail（210）Connection, work box detent mechanism（290） Installed in overall framework（100）On, for adjustment work case（300）The operating position in sand mold 3D printing equipment.

Further, work box（300）Including liner, shell, sealing frame, bracing frame and felt, wherein, liner is by wear-resisting Material is constituted, and shell is made up of rigid material, and top surrounding installs sealing frame, concordant with sanding gear, it is ensured that during sanding Work box surrounding will not occur leakage sand situation；Bracing frame, the support and base for surrounding structure are installed in bottom surrounding and bottom surface （323）It is spacing when moving to bottommost；Work box base（323）Felt is installed on surrounding top, and logical with felt pressure plate Cross bolt to be compressed, felt is brought into close contact with surrounding liner, it is ensured that in work box motor process, bottom will not occur leakage sand Situation.

Further, the work box lifting body（400）Including：Framework（410）, servomotor（420）, lifting part （430）, drive mechanism（440）；Servomotor（420）, lifting part（430）, drive mechanism（440）Installed in framework（410） On, framework（410）By left side brackets（411）, bottom bracket（412）, right side support（413）, motor cabinet（414）Composition, servo Motor（420）By motor connection axle（441）Drive drivewheel（442）Operating, drivewheel（442）Pass through belt again（444）Band Dynamic driven pulley（445）Move together, belt（442）Pass through contact roller during rotation（443）It is tensioned；Driven pulley （445）By key and screw mandrel（432）Connection, while driving screw mandrel（442）Rotate, screw mandrel（442）Upper and lower end adopt floating axle Hold（435）And fixing bearing（431）It is fixed, screw mandrel（442）On feed screw nut is installed（433）, with the rotation of screw mandrel, Feed screw nut（433）Move up and down along screw thread, raising board（438）With feed screw nut（433）By contiguous block（434）Connected Connect, raising board（438）On slide block is installed（416）, slide block（416）In upright guide rail（415）Upper slip, raising board（438）'s Top is provided with support block and adjusts jackscrew, for the support works case in whole motor process（300）, and by control and regulation Jackscrew（437）Position keep work box（300）Level.

Further, the sanding gear（500）Including sand launder（501）, to store sand, in sand launder（501）Top By being connected with cover plate（503）, cover plate（503）One end is provided with and connects sand mouth（508）, other end installation screw drives motor（504）, The cover plate（503）Underface is lifted with screw rod（502）, the screw rod（502）By synchronous pulley（506）And Timing Belt With the screw drives motor（504）Connection, sand launder（501）Centre sieve sand launder is installed（560）, the sieve sand launder（560） Lower section is provided with lower sand mouth（541）, and with lower sand mouth（541）Rear portion is adjacent, and horizontal plane have angled stragith edge；Eccentric shaft （551）It is lifted on sand launder（501）Lower section side, several eccentric blocks（553）By bearing（552）It is installed on the eccentric shaft （551）On, the eccentric block（553）Lower end and and contiguous block（554）Between connect, the contiguous block（554）The back side is provided with Stragith edge（570）, vibrating motor（550）With eccentric shaft（551）One end connects, and is fixed on sand launder（501）Lower section, the connection Block（554）Together with the stragith edge of the side of being fixed thereon（570）By swing connecting bar（542）And connection bearing pin（543）With rotating dog Shaft stool（544）It is connected, the rotary pin shaft bearing（544）Installed in sand launder（501）Lower section.

Further, the sanding gear（500）Including sand launder（501）, to store sand, in sand launder（501）Top It is connected with cover plate（503）, cover plate（503）One end is provided with and connects sand mouth（508）, other end installation screw drives motor（504）, it is described Cover plate（503）Underface is lifted with screw rod（502）, the screw rod（502）By synchronous pulley（506）And Timing Belt and institute State screw drives motor（504）Connection, sand launder（501）And its affiliated installed part is entirely through the rotating shaft of both sides（512）It is installed on Shaft seating（511）It is interior, the shaft seating（511）Maintain static, top is provided with fork（513）, the sand launder（521）Two Side is provided with cylinder saddle（514）, the cylinder saddle（514）Telescopic cylinder is connected with by bearing pin（515）, the flexible gas Cylinder（515）Cylinder rod again and fork（513）Connected by pin, by telescopic cylinder（515）Expanding-contracting action can drive sand launder （501）And its affiliated installing component is entirely around shaft seating（511）Rotation, sand launder（501）Centre funnel is installed （521）, the funnel（521）Lower section is provided with lower sand mouth（541）, and with lower sand mouth（541）Both sides it is adjacent, and horizontal mask Angled stragith edge（570）, eccentric shaft（551）It is lifted on sand launder（501）Lower section side, several eccentric blocks（553）It is logical Cross bearing（552）It is installed on the eccentric shaft（551）On, the eccentric block（553）The other end and and funnel（521）It is connected, Contiguous block（554）It is lifted on sand launder（501）Lower section, the contiguous block（554）Bottom is installed by flexible trachea notch（524）And scrape Sand plate（523）, vibrating motor（550）With eccentric shaft（551）One end connects, and is fixed on sand launder（501）Lower section, heating tube （517）It is lifted on sand launder（501）Lower section, positioned at eccentric shaft（551）Offside.

Further, magnetic track（625）It is fixed on X-axis main backstop（622）On, on magnetic track be equipped with guide rail, X to Linear electric motors（620）With the guide rail slide block on guide rail（614）With the main connecting seat of XY axles（628）Connection, is driven by linear electric motors, band Dynamic Y-axis module（633）Motion, and then drive whole print head assembly（640）In the motion of X-axis, the main support of X-axis of guide rail surrounding Frame cover plate（623）, X-axis main guide rail protective cover plate（624）And the protection of X-axis main guide rail（626）Carry out mechanical seal；X-axis master Support both sides configure X-axis auxiliary support frame（611）, X-axis auxiliary guide rail bracing frame installed above（612）For fixing guide rail （616）, the guide rail slide block on guide rail（614）Connecting seat is aided in X-axis（615）A conjunction is carried out using bolt, auxiliary drives and prints Head assembly（640）X-direction motion, guide rail surrounding with X-axis auxiliary guide rail protect（613）, guide rail slide block（614）, X-axis auxiliary Support cover plate（618）Sealed；Bracing frame utilizes X-axis auxiliary fixing plate（619）With the main fixed plate of X-axis（621）With 3D printing Machine agent structure is connected, it is ensured that printer module（640）Stroke range of the X-axis in overall 3D printer, y-axis motor （631）With Y-axis module（633）By Y-axis fixed plate（632）Connection, motor output drive Y-axis mobile link plate（634）In Y-direction Motion, realize print head assembly（640）Y-direction motion.

Further, cleaning device（700）By gripper shoe（714）Fixed installation, clean plate（712）By two support bars （713）Support in front and back；Sponge mechanism（740）Middle sponge（741）It is placed horizontally in sponge gripper shoe（742）On, and by stage clip（743） Support sponge gripper shoe（742）；Print head cleaning pond（730）Installed in clean plate（712）Below, and print head cleaning pond （730）With clean plate（712）Between have seal groove（735）, chromium plated shaft（732）It is arranged on print head cleaning pond（730）Near, and In chromium plated shaft（732）It is upper that cleaning item is housed（733）With cleaning item installing plate（734）, two of which cleaning item（733）By bolt Clamp cleaning item installing plate（734）, finally with fastening screw cleaning item installing plate（734）Installed in chromium plated shaft（732）；Liquid material Sensor（731）For detecting cleanout fluid whether in place, it is ensured that part cleaning item（733）It is immersed in cleanout fluid；Holding mechanism （720）Equally by clean plate horizontal adjustment stage clip（721）Support installed in support bar（713）On, by clean plate horizontal adjustment pressure Spring（721）Adjustable paper fagging（723）Highly, it is ensured that paper fagging（723）With clean plate（712）Same plane degree is required.

Further, the liquid feeding system（800）Including：It is mounting bracket, 1 feed system of liquid material, Mead-Bauer recovery system, clear Feed system, 2 feed system of liquid material, other auxiliary device are washed, wherein, 1 feed system of the liquid material includes：Addition point, 1 grade of mistake Filter, motor, storage bin, motor, 2 grades of filters, electromagnetic valve, meter stream valve, executive components；The Mead-Bauer recovery system includes： Each waste collection point, electromagnetic valve, motor, collecting box, filter, receipts motor, check valve, recovery point；The cleaning feed system Including：Abluent addition point, filter, filter, storage box, motor, electromagnetic valve, meter stream valve, cleaning point；The liquid material 2 is supplied Include to system：Addition point, filter, valve, storage bin, executive component；Described other auxiliary device include：Position detection is opened Pass, pressure detection switch, pressure detection switch, pressure detection switch, wiring cabinet.

Further, the mixing device（900）Including：Sand pump（910）, sand tank（920）, main body（930）, mulling Tank（940）, sand launder（950）；Wherein, Sand pump（910）It is installed on sand tank（920）Top, sand tank（920）Place mixed in lower section Silo（940）, the mixing sand tank（940）Main body is hung on by crossbeam（930）Inside, sand tank（920）, mixing sand tank（940）、 Sand launder（950）Integral installation is installed in main body（930）On, the mixing device（900）Middle Sand pump（910）, sand tank （920）, sand launder（950）Respectively there are two sets, the control between two sets is separate being independent of each other.

Further, the printhead arranged beneath has cleaning device（700）And liquid feeding system（800）, the cleaning dress Put（700）And liquid feeding system（800）Superposition up and down is placed；The 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 equipment that the present invention is provided, when including two or many work boxs, sanding and print job Two or the work simultaneously of many work boxs, compared with single work box sand mold 3D printing equipment of equivalent specifications, within the equal time, energy Printing effect is significantly improved enough, so as to effectively reduce sand mold cost, faster reply production needs.

Description of the drawings

Fig. 1：The many work box 3D sand molds printing device stereochemical structure front elevations of the present invention.

Fig. 2：The many work box 3D sand molds printing device stereochemical structure back views of the present invention.

Fig. 3：The many work box 3D sand molds printing device cut-away views of the present invention.

Fig. 4：The many work box 3D sand molds printing device structure principle charts of the present invention.

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 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：First schematic diagram of work box lifting body structure of the present invention.

Figure 11：Second schematic diagram of work box lifting body structure of the present invention.

Figure 12：One overall structure diagram of sanding gear embodiment of the present invention.

Figure 13：One partial structural diagram of sanding gear embodiment of the present invention.

Figure 14：Two overall structure diagram of sanding gear embodiment of the present invention.

Figure 15：Two partial structural diagram of sanding gear embodiment of the present invention.

Figure 16：Printhead motion structure schematic diagram of the present invention.

Figure 17：Cleaning device entirety composition schematic diagram of the present invention.

Figure 18：Cleaning device 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 composition schematic diagram of the present invention.

Figure 21：Mixing sand tank internal structure composition schematic diagram of the present invention.

Figure 22：Mixing sand tank operation principle schematic diagram of the present invention.

Figure 23：The first schematic diagram of sand control structure under mixing sand tank of the present invention.

Figure 24：The second schematic diagram of sand control structure under mixing sand tank of the present invention.

Wherein, 100-main body frame, 200-work box induction system, 300-work box, 900-mixing device, 010-two grades of step control towers, 020-guidance panel, 030-folding door, 040-one-level step collapse, 050-safety barrier, The electric cabinet of 060-control, 070-antiquated sand accumulator tank, 080-servo electricity cabinet, 090-source of the gas cabinet, 101-back side observation window, 102- Lateral blister, 103-back side safeguard cover plate, 227-roller-lifting machine, 500-sanding gear, 600-printhead, 700-clear 800-liquid feeding system of cleaning device, 420-work box jacking motor, 510-sanding gear operation module, the operation of 520-sanding gear 530-shaft coupling of motor, 620-printhead run X to linear electric motors, 633-printhead operation Y-direction module, 631-beat Print head operation Y-direction servomotor, 210-roller-way mounting rail 220-roller-way structure, 227-roller-lifting machine, 230-steel grating Gripper shoe, 240-steel grating, 250-supporting leg, 260-shaft coupling, 261-motor, 262-motor mount, 270-connect sand Groove, 280-work box clamp system 290-work box detent mechanism, 221-mounting seat, 222-sprocket wheel, 223-bearing, 224-jump ring, 225-cylinder, 226-support shaft, sealing frame at the top of the face of 311-left and right, 312-left and right face shell, 313-left Right side liner, 314-left and right face bottom bracing frame, 321-left and right face felt pressure plate, 322-left and right face felt, 323-work Bottom seat, 324-bottom bracket, 325-front-back felt pressure plate, 326-front-back felt are sealed at the top of 331-front-back Frame, 332-front-back shell, 333-front-back liner, 334-front-back bottom bracing frame, 400-work box lifting body, 410-framework, 411-left side brackets, 412-bottom bracket, 413-right side support, 414-motor cabinet, 420-servo Electricity, 430-lifting part, 431-fixing bearing, 432-screw mandrel, 433-feed screw nut, 434-contiguous block, 435-float Bearing, 436-support block, 437-regulation jackscrew, 438-raising board, 415-guide rail, 416-slide block, 440-drive mechanism, 441-motor connection axle, 442-drivewheel, 443-contact roller, 444-belt, 445-driven pulley, 501-sand launder, 502- Screw rod, 503-cover plate, 504-screw drives motor, 505-sand launder bearing, 506-synchronous pulley, 507-safeguard cover plate, 508-connect sand mouth, 509-sand level sensor, 541-lower sand mouth, 542-swing connecting bar, 543-rotary pin shaft, 544-rotation Bearing pin bearing, 545-gap adjustable plate, 550-vibrating motor, 551-eccentric shaft, 552-bearing, 553-eccentric block, 554-contiguous block, 560-sieve sand launder, 570-stragith edge, 511-shaft seating, 512-rotating shaft, 513-fork, 514-gas Cylinder bearing, 515-telescopic cylinder, 516-limited block, 517-heating tube, 521-funnel, 522-contiguous block, 523-strike-off Plate, 524-elastic trachea notch, 525-elastic trachea, 541-lower sand mouth, 551-eccentric shaft, 552-bearing, 553-partially Heart block, 611-X-axis auxiliary support frame, 612-X-axis auxiliary guide rail bracing frame, the protection of 613-X-axis auxiliary guide rail, 614-guide rail Slide block, 615-X-axis auxiliary connecting seat, 616-guide rail, 617-X-axis auxiliary guide rail protective cover plate, 618-X-axis auxiliary support frame Cover plate, 619-X-axis auxiliary fixing plate, the main fixed plate of 621-X-axis, 622-X-axis main backstop, 623-X-axis main backstop lid Plate, 624-X-axis main guide rail protective cover plate, 625-magnetic track, 626-X-axis main guide rail protection, 627-X to linear electric motors, The main connecting seat of 628-XY axles, 631-y-axis motor, 632-motor fixing plate, 633-Y-axis module, 634-Y-axis mobile link Plate, 640-print head assembly, 720-holding mechanism, 730-print head cleaning pond, 740-sponge mechanism, 750-rotary pneumatic Cylinder, 722-dress reel, 711-position sensor, 712-clean plate, 713-support bar, 714-gripper shoe, 715-waste liquid Collecting tank, 741-sponge, 742-sponge gripper shoe, 743-stage clip, 731-liquid material sensor, 732-chromium plated shaft, 733- Cleaning item, 734-cleaning item installing plate, 735-seal groove, 723-paper are supported, 721-clean plate horizontal adjustment stage clip, 736-rinse bath, 821-addition point, 822-1 grade of filter, 823-motor, 824-storage bin, 825-motor, 826-2 Level filter, 827-electromagnetic valve, 828-meter stream valve, 829-executive component, 831-each waste collection point, 832-electromagnetic valve, 833-motor, 834-collecting box, 835-filter, 836-receipts motor, 837-check valve, 838-recovery point, 841-clear Lotion adds point, 842-filter, 843-filter, 844-storage box, 845-motor, 846-electromagnetic valve, 847-meter Stream valve, 848-cleaning point, 851-addition point, 852-filter, 853-valve, 854-storage bin, 855-executive component, 910-Sand pump, 920-sand tank, 921-sand inlet, 922-mass sensor, 930-main body, 931-switch board, 932-liquid feeding system bearing, 923-control valve 1,940-mixing sand tank, 941-mixing sand tank entrance, 942-mixing sand tank bottom, 943-motor, 924-vibrating motor 1,948-sensor, 950-sand launder, 951-lead sand panel beating, 952-control valve 2, 953-vibrating motor 2,944-cylinder, 945-connecting bracket, 946-sealing block, 947-mixing sand tank top, 949 --- stir Mix blade.

Specific embodiment

In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this Invention is described in further detail.

The present invention overall structure as Figure 1-4, many work box sand mold 3D printing equipment, including：Main body frame （100）, work box induction system（200）, work box（300）, work box lifting body（400）, sanding gear（500）, printhead （600）, cleaning device（700）, liquid feeding system（800）, mixing device（900）And electrical system, wherein, main body frame（100） Including at least three root posts, by three main body frames constituted with upper pillar stand（100）After being completed, two or more independence is formed Working region, each working region bottom is respectively mounted a set of work box lifting body（400）.Described more than two sets independent Work box lifting body（400）A set of work box induction system is respectively arranged in top（200）, it is capable of achieving work box（300）Along Y-direction Motion；The work box（300）Base plate be portable plate, the work box lifting body can be passed through（400）Drives edge Z-direction Lifting.The main body frame（100）Three laying more than three sanding gears operation modules above upper pillar stand respectively（510）, More than three sanding gears run module（510）Between pass through two or more shaft coupling（530）Connection, shaft coupling and sanding gear Operation motor（520）Connection.Described two or many work boxs（300）Surface is respectively arranged the sanding gear of respective amount （500）, the sanding gear（500）It is fixed on more than the three sanding gears operation module（510）Above corresponding slide block, pass through Sanding gear runs motor（520）Respective amount sanding gear can be driven（500）Run simultaneously along Y-direction.The main body frame （100）Inside top is provided with printhead and runs X to linear electric motors（620）, the printhead operation X is to linear electric motors（620） Lower section is installed by printhead operation Y-direction module（633）, printhead（600）Y-direction module is run with printhead（633）Connection, described Printhead runs X to linear electric motors（620）Y-direction servomotor is run with printhead（631）Driving under, printhead（600）Can Realize the operation of X, Y both direction.The main body frame（100）Top outer is provided with mixing device（900）, can be the paving Sand device（500）Sand supplying.The printhead（600）Y-direction one end arranged beneath has cleaning device（700）And liquid feeding system（800）.Institute State cleaning device（700）And liquid feeding system（800）Superposition up and down is placed.The lower portion is provided with heater, can maintain Print area constant temperature；The 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）With printhead（600）Job order is also present separately A kind of outer combining form, i.e. each sanding gear（500）Independent sanding gear operation motor is installed（520）, each sanding Device（500）Sanding work, printhead can individually be carried out（600）Individually each working region for having completed sanding is carried out in order Print job.

System overall work principle is as follows, the Jing mixing devices such as 3D printing sand and liquid material（900）Quantitatively add after mixing Enter respective amount sanding gear（500）.Sanding gear runs motor（520）Pass through two or more shaft coupling during rotation（530）Drive Dynamic three 510-sanding gears drive module synchronization action, drive the respective amount sanding gear（500）Run simultaneously along Y-direction, It is respectively completed in independent two or many work boxs（300）The sanding gear after the sanding action of top（500）Original position is returned to, this When printhead（600）X is run to linear electric motors in printhead（620）Y-direction servomotor is run with printhead（631）Driving Under, complete two or many work boxs of sanding（300）The sand surface of top carries out the printing work of an all standing back and forth After work, the printhead（600）Reset.Now work box lifting body（400）Drive work box（300）Movable floor decline （Dropping distance 0.1mm ~ 1mm, preferred 0.2mm ~ 0.5mm）, the above-mentioned sanding of repetition, print procedure, until completing entirely to print work Make.In above-mentioned sanding print procedure, cleaning device（700）Realize printhead（600）Fixed time cleaning and non-working time it is anti- Blocking protection, liquid feeding system（800）As needed for the mixing device（900）With printhead（600）Liquid material is provided.

The work box（300）Through work box induction system after completing to print（200）Output, external roller-lifting machine （227）Carry out empty van to exchange with the quick of trunkful, can improve and change case speed, reduce the waiting time.

An alternative embodiment of the invention, work box induction system（200）Structure as seen in figs. 5-6, is pacified by three roller-ways Dress beam（210）Support, roller-way mounting rail（210）By supporting leg（250）Support, connect sand launder（270）Installed in roller-way mounting rail（210） In, for receiving work box（300）Omit sand, steel grating（240）Installed in steel plate gripper shoe（230）On, all of above company Connect and be bolted；Mounting seat（221）It is welded on roller-way mounting rail（210）On, mounting seat and support shaft（226）Connection, rolling Cylinder（225）And sprocket wheel（222）It is bolted, and by bearing（223）It is fixedly mounted on support shaft（226）On, finally by card Spring（224）Locking bearing（223）；Motor（261）With motor mount（262）After assembling, side is pacified installed in roller-way by bolt Dress beam（210）, opposite side is by shaft coupling（260）With another roller-way mounting rail（210）Connection, work box detent mechanism （290）Installed in overall framework（100）, for adjustment work case（300）The operating position in sand mold 3D printing equipment.

Work box induction system（200）Operation principle is as follows, work box（300）When needing to pass in and out sand mold 3D printing equipment, By motor（261）Drive shaft coupling（260）Rotation so that work box（300）Both sides roller-way structure（220）Run simultaneously, it is ensured that Work box（300）Do not incline before and after in running；Motor（261）Pass to shaft coupling（260）Power passes to chain by chain Wheel（222）, finally by cylinder（225）Rotarily drive work box（300）Walking；Work box（300）Run to sand mold 3D printing After equipment specified location, work box clamp system（280）Work box is clamped to Y-direction（300）, make work box（300）Side with Work box detent mechanism（290）It is in close contact, work box（300）Last all around reaching positions completely.Sand mold 3D printing sets In standby work process, work box（300）Part sand is had from work box（300）Side is omitted, and omits drop by connecing sand launder （270）Receive, clear up finally by vacuum cleaner；After the completion of sand mold 3D printing equipment is printed, equally by roller-way structure（220）Drive Work box is rolled away from, by roller-lifting machine（227）The outside roller-way of lifting is work box（300）Sand removal position is transported, is finally completed Work.In the process, the roller-way structure of left and right two（220）It is simultaneously operable, also separately can works, meets sand mold 3D printing and set The turnover of standby work boxs multiple in different time.

An alternative embodiment of the invention, work box（300）Structure as Figure 7-8, liner（Including left and right face liner （313）With front-back liner（333））It is made up of high-abrasive material, bears internal sand and the lasting frictional force of felt, shell（Bag Include left and right face shell（312）With front-back shell（332））It is made up of high rigidity material, constitutes the general frame of work box, it is ensured that The overall intensity of work box and rigidity, prevent deformation, and both carry out a conjunction by bolt；Top surrounding installs sealing frame（Including Sealing frame at the top of the face of left and right（311）With sealing frame at the top of front-back（331））, it is concordant with sanding gear, it is ensured that the work during sanding Make case surrounding and leakage sand situation will not occur；Bracing frame is installed in bottom surrounding and bottom surface（Including left and right face bottom bracing frame（314）、 Front-back bottom bracing frame（334）And bottom bracket（324））, the support and base for surrounding structure（323）Move to most It is spacing when bottom；Work box base（323）Surrounding top is installed by felt（Including left and right face felt（322）And front-back Felt（326））, and use felt pressure plate（Including left and right face felt pressure plate（321）With front-back felt pressure plate（325））By bolt Compressed, felt is brought into close contact with surrounding liner, it is ensured that in work box motor process, bottom will not occur leakage sand situation.

Work box（300）Operation principle is as follows, work box lifting body（400）By work box base（323）Push to most Top, sanding gear（500）Start working, ensure that sand is only applied in work box during sanding by top sealing frame Portion, occurs without leakage sand situation, sanding gear（500）One layer of sanding has been run, after printhead completes the print job of correlation, work box Base（323）In jack（400）In the presence of decline level altitude, and the above-mentioned sanding of repetition, print procedure, until work box Base（323）Bottommost is dropped to, whole sanding, print job is completed.

An alternative embodiment of the invention, work box lifting body（400）Structure as shown in figs. 9-11, including framework （410）, servomotor（420）, lifting part（430）, drive mechanism（440）.Servomotor（420）, lifting part（430）、 Drive mechanism（440）Installed in framework（410）On, framework（410）By left side brackets（411）, bottom bracket（412）, right side Frame（413）, motor cabinet（414）Composition.Servomotor（420）By motor connection axle（441）Drive drivewheel（442）Operating, Drivewheel（442）Pass through belt again（444）Drive driven pulley（445）Move together, belt（442）Pass through during rotation Contact roller（443）It is tensioned.Driven pulley（445）By key and screw mandrel（432）Connection, while driving screw mandrel（442）Rotate, silk Bar（442）Upper and lower end adopt floating bearing（435）And fixing bearing（431）It is fixed.

Work box lifting body（400）Operation principle is as follows, when sand mold 3D printing equipment works, work box（300）Reach Specified location, lifting machine（400）Lifting part（430）Peak in its working range, with the carrying out for printing, lifting Machine（400）Middle servomotor（420）By motor connection axle（441）Drive drivewheel（442）Operating, drivewheel（442）Lead to again Cross belt（444）Drive driven pulley（445）Move together, belt（442）Pass through contact roller during rotation（443）Carry out Tensioning.Driven pulley（445）By key and screw mandrel（432）Connection, while driving screw mandrel（442）Rotate, screw mandrel（442）It is upper and lower End adopts floating bearing（435）And fixing bearing（431）It is fixed, screw mandrel（442）During rotation, which is installed above Feed screw nut（433）Move downward along screw thread, raising board（438）With feed screw nut（433）By contiguous block（434）Carry out Connection, feed screw nut（433）Pass through contiguous block during moving downward（434）Drive raising board（438）Move downward, lift Plate（438）On slide block is installed（416）, slide block（416）In guide rail（415）Upper slip, wherein, guide rail understands to be arranged on support Individually can also be vertically arranged, it is ensured that raising board（438）Up and down motion does not shift, work box in whole motor process （300）By four support blocks（436）Support, by controlling to adjust jackscrew（437）Position keep work box（300）Level, when After the completion of whole printing process, lifting machine（400）Move upwards again, return to original original position and be operated again.

An alternative embodiment of the invention, sanding gear（500）The structure of first embodiment as illustrated by figs. 12-13, sanding Device（500）It is for a kind of structure of unidirectional sanding, concrete as illustrated, to adapt to large span（More than 2m）Sanding requirement, sand launder （501）It is designed as two rectangular tubes to be spliced, space is left in the middle of square tube to store sand.In sand launder（501）Top There is cover plate by gemel connection（503）, the cover plate（503）Can rotate around hinge；Cover plate（503）One end is provided with and connects sand mouth （508）, other end installation screw drives motor（504）, the cover plate（503）Underface is lifted with screw rod（502）, the spiral shell Swing arm（502）By synchronous pulley（506）And Timing Belt and the screw drives motor（504）Connection.Sand launder（501）Centre Sieve sand launder is installed（560）, the sieve sand launder（560）Lower section is lower sand mouth（541）, with lower sand mouth（541）Rear portion it is adjacent, and It is stragith edge that horizontal plane has the flat board of certain angle（570）, the angle ranging from 0 ~ 5 °.

Eccentric shaft（551）It is lifted on sand launder（501）Lower section side, centre has some places to fix to support, and several are eccentric Block（553）By bearing（552）It is installed on the eccentric shaft（551）On, the eccentric block（553）Lower end and and contiguous block （554）Between by pin connect, the contiguous block（554）The back side is provided with stragith edge（570）, vibrating motor（550）With it is inclined Heart axle（551）One end connects, and is fixed on sand launder（501）Lower section.The contiguous block（554）Strike-ofing together with the side of being fixed thereon Plate（570）By swing connecting bar（542）And connection bearing pin（543）With rotary pin shaft bearing（544）It is connected, the rotary pin shaft Bearing（544）Installed in sand launder（501）Lower section.

Sanding gear（500）The operation principle of embodiment one is as follows, and sand Jing connects sand mouth（508）Add sand launder（501）, when Sand level sensor（509）After display detects full sand signal, stop plus sand.Plus sand is while screw rod（502）In spiral transferring power transmission Machine（504）Driving under start uniform rotation, sand is evenly distributed in whole sand launder（501）It is internal.When sanding action starts, Sand launder（501）Internal sand is through sieve sand launder（560）After filtration, from lower sand mouth（541）Uniformly spill, stragith edge（570）Together Step operation strikes off the sand for spilling.During sanding, in vibrating motor（550）Under driving, eccentric shaft（551）In bearing （552）Support under make high speed rotary motion, drive contiguous block（554）Pump, contiguous block（554）Drive again and scrape Sand plate（570）Do dither, the sand for striking off while by good consolidation, so as to reach the work for improving sand mold density and intensity With.By adjusting vibrating motor（550）Frequency and rotating speed, different sand mold density and intensity can be obtained.

An alternative embodiment of the invention, sanding gear（500）The structure of second embodiment as shown in figs. 14-15, sanding Device（500）It is for a kind of structure of two-way sanding, concrete as illustrated, to adapt to large span（More than 2m）Sanding requirement, sand launder （501）It is designed as two rectangular tubes to be spliced, space is left in the middle of square tube to store sand.In sand launder（501）Top There is cover plate by gemel connection（503）, the cover plate（503）Can rotate around hinge；Cover plate（503）One end is provided with and connects sand mouth （508）, other end installation screw drives motor（504）, the cover plate（503）Underface is lifted with screw rod（502）, the spiral shell Swing arm（502）By synchronous pulley（506）And Timing Belt and the screw drives motor（504）Connection.Sand launder（501）And its institute Rotating shaft of the category installed part entirely through both sides（512）It is installed on shaft seating（511）It is interior, the shaft seating（511）Fix not Dynamic, top is provided with fork（513）, the sand launder（521）Both sides are provided with cylinder saddle（514）, the cylinder saddle（514） Telescopic cylinder is connected with by bearing pin（515）, the telescopic cylinder（515）Cylinder rod again and fork（513）Connected by pin, By telescopic cylinder（515）Expanding-contracting action can drive sand launder（501）And its affiliated installing component is entirely around shaft seating （511）Rotation.Sand launder（501）Centre funnel is installed（521）, the funnel（521）Lower section is lower sand mouth（541）, with Sand mouth（541）Both sides it is adjacent, and horizontal plane have certain angle flat board be stragith edge（570）, -5 ° ~ 5 ° are the angle ranging from, Telescopic cylinder can be passed through（515）And limited block（516）Adjustment.Except carrying out, in addition to angular adjustment, can also leading to above by telescopic cylinder Cross the modes such as electric rotating machine, rotary cylinder, rack-and-pinion, worm and gear to adjust, also manually can be adjusted.

Eccentric shaft（551）It is lifted on sand launder（501）Lower section side, centre has some places to fix to support, and several are eccentric Block（553）By bearing（552）It is installed on the eccentric shaft（551）On, the eccentric block（553）The other end and and funnel （521）It is connected, contiguous block（554）It is lifted on sand launder（501）Lower section, the contiguous block（554）Bottom is installed by flexible trachea Notch（524）And stragith edge（523）, vibrating motor（550）With eccentric shaft（551）One end connects, and is fixed on sand launder（501）Under Side.Heating tube（517）It is lifted on sand launder（501）Lower section, positioned at eccentric shaft（551）Offside.

Sanding gear（500）The operation principle of embodiment two is as follows, and sand Jing connects sand mouth（508）Add sand launder（501）, when Sand level sensor（509）After display detects full sand signal, stop plus sand.Plus sand is while screw rod（502）In spiral transferring power transmission Machine（504）Driving under start uniform rotation, sand is evenly distributed in whole sand launder（501）It is internal.When sanding action starts, Sand launder（501）Internal sand is through funnel（521）After water conservancy diversion, from lower sand mouth（541）Uniformly spill, stragith edge（523）It is synchronous Operation strikes off the sand for spilling.During sanding, in vibrating motor（550）Under driving, eccentric shaft（551）In bearing （552）Support under make high speed rotary motion, drive eccentric block（553）Move reciprocatingly, eccentric block（553）Funnel is driven again （521）Do dither so that sand can be smoothly from funnel（521）The lower sand mouth of lower section（541）Flow out.The lower sand mouth （541）Gap size can be by elastic trachea（525）Adjust, by the size adjustment elasticity trachea for controlling air pressure（525）It Between gap（Preferred gap is 0 ~ 6mm）, so as to reach the effect for adjusting lower sand amount.The advantage of the embodiment two is energy Two-way sanding is realized enough, stragith edge during sanding（523）With the inclination angle of horizontal plane（-5°~5°）By controlling telescopic cylinder（515）'s Flexible and limited block（516）Position accurately obtain, so as to eliminate sanding gear（500）Operation idle stroke simultaneously improves sand mold 3D printing The work efficiency of equipment.It is arranged in sand launder（501）The heating tube of lower section（517）Can need to heat printed material according to printing, Different sand mold intensity and hardening time can be obtained by the regulation to heating-up temperature.The heating tube（517）Arrangement and work Make mode while the occasion to printed material and sand mold heating is needed suitable for any 3D sand molds printing device.

An alternative embodiment of the invention, print head assembly（640）Structure is as shown in figure 16, print head assembly（640）'s Motion is mainly engaged by the motion of X-axis and the motion of Y-axis, completes 3D printing work.Magnetic track（625）It is fixed on X-axis master Bracing frame（622）On, two guide rails are filled on magnetic track（616）, X is to linear electric motors（627）With guide rail slide block（614）With XY axles Main connecting seat（628）Using bolt connection, driven by linear electric motors, drive Y-axis module（633）Move, and then drive is entirely beaten 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）With And the protection of X-axis main guide rail（626）Mechanical seal is carried out, prevents the impurity such as dust from entering guide rail and motor and then affecting work effect Really.As 3D printer type is excessive, single X can not meet printer rigidity, therefore both sides configuration X-axis Auxiliary support to support Frame（611）, X-axis auxiliary guide rail bracing frame installed above（612）For fixing guide rail（616）, the guide rail slide block on guide rail（614） Connecting seat is aided in X-axis（615）A conjunction is carried out using bolt, auxiliary drives print head assembly（640）X-direction motion, surrounding Protected with X-axis auxiliary guide rail（613）, guide rail slide block（614）, X-axis auxiliary support frame cover plate（618）Sealed, it is ensured that guide rail Working environment it is clean.X-axis main backstop（622）With X-axis auxiliary support frame（611）Collectively form print head assembly（640）Fortune Capable X-axis stroke, it is ensured that printhead X-axis rigidity.Bracing frame utilizes X-axis auxiliary fixing plate（619）With the main fixed plate of X-axis（621） It is connected with 3D printer agent structure, it is ensured that printer module（640）Stroke range of the X-axis in overall 3D printer.Y Spindle motor（631）With Y-axis module（633）By Y-axis fixed plate（632）Connection, motor output drive Y-axis mobile link plate （634）In the motion of Y-direction, print head assembly is realized（640）Y-direction motion.

Printhead（600）Operation principle is as follows, print head assembly（640）By the main support unit of X-axis（620）Interior straight-line electric Machine drives the motion for realizing X-axis, for the problem that X-axis stroke is long, realizes print head assembly using magnetic railings ruler（640）X-direction Be accurately positioned, both sides utilize X-axis Auxiliary support unit（610）Complete the Auxiliary support of general frame, it is ensured that print head assembly And the rigidity of printer body.Print head assembly（640）The motion of Y-axis is realized by Y-axis unit, using the light in system itself Grid chi structure realizes being accurately positioned for Y-direction.X-axis is cooperated with Y-axis, realizes print head assembly（640）It is real according to schedule It is now corresponding to move.

An alternative embodiment of the invention, cleaning device（700）Structure as shown in figs. 17-18, by gripper shoe（714）Install In 3D sand mold printing device specified locations, clean plate（712）By two support bars（713）Support in front and back, and clean plate（712） By two support bars（713）Bolt connection is connected through between support, by adjusting clean plate horizontal adjustment stage clip（721）Come Meet clean plate（712）Levelness and height, it is ensured that head plane and service sink plate are printed in 3D sand mold printing devices（712）It Between flatness and distance；Sponge mechanism（740）Middle sponge（741）It is placed horizontally in sponge gripper shoe（742）On, and by stage clip （743）Support sponge gripper shoe（742）, sponge（741）Height can be by stage clip（743）Flexible be adjusted；Printhead is clear Wash pool（730）Installed in clean plate（712）Below just, and print head cleaning pond（730）With clean plate（712）Between have rectangle Seal groove（735）, chromium plated shaft（732）Device is in print head cleaning pond（730）In front and back, and in chromium plated shaft（732）It is upper that cleaning is housed Bar（733）With cleaning item installing plate（734）, two of which cleaning item（733）Cleaning item installing plate is clamped by bolt（734）, Finally with fastening screw cleaning item installing plate（734）Installed in chromium plated shaft（732）；Liquid material sensor（731）It is clear for detecting In place whether washing liquid, it is ensured that part cleaning item（733）It is immersed in cleanout fluid；Holding mechanism（720）Equally by cleaning plate level Adjustment stage clip（721）Support installed in support bar（713）On, by clean plate horizontal adjustment stage clip（721）Adjustable paper fagging （723）Highly, it is ensured that paper fagging（723）With clean plate（712）Same plane degree is required.

Cleaning device（700）Operation principle is as follows, when the printhead in 3D sand mold printing devices needs cleaning, transports to X side Row is to print head cleaning pond（730）Surface, rotary cylinder（750）Left-right rotation drives chromium plated shaft（730）Rotation, chromium plated shaft （730）On cleaning item（733）There is certain angle to start to clean printhead with printhead, lower waste liquid is cleaned on printhead by giving up Liquid collecting tank（715）Collect, last entirety is drained；When 3D sand mold printing devices need to adjust printhead precision, printhead operation To holding mechanism（720）Surface, by printhead on paper printhead go out " one " font powder linearity go correction print Head precision；When 3D sand molds printing device needs maintenance to shut down, printhead can run to sponge mechanism（740）Top, sponge（741） In liquid material the long lower surface of printhead can be kept to moisten 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, including mounting bracket 810（Do not show Go out）, 1 feed system 820 of liquid material, Mead-Bauer recovery system 830, cleaning feed system 840,2 feed system 850 of liquid material, other are auxiliary Help device 860.1 feed system 820 of the liquid material includes：Addition 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.The Mead-Bauer recovery system 830 includes： Each waste collection point 831, electromagnetic valve 832, motor 833, collecting box 834, filter 835, receive motor 836, check valve 837, return Sink 838.The cleaning feed system 840 includes：Abluent addition point 841, filter 842, filter 843, storage box 844th, motor 845, electromagnetic valve 846, meter stream valve 847, cleaning point 848.2 feed system of the liquid material includes：Addition point 851, mistake Filter 852, valve 853, storage bin 854, executive component 855.Described other auxiliary device include：Position detecting switch 861（Not Illustrate）, pressure detection switch 862（It is not shown）, pressure detection switch 863（It is not shown）, pressure detection switch 864（Do not show Go out）, wiring cabinet 865（It is not shown）.

Liquid feeding system（800）Operation principle is as follows, and the addition point, recovery point are concentrated at one, and quantity is not limited；Institute Storage bin is stated for the multiple interlayers of casing, quantity is not limited, and all liq storage box is arranged in a casing；The horse Up to, filter by installing plate all on storage bin.All parts pass through pipeline and joint connects, it is ensured that same It is unimpeded in loop.

The charging system is independent loop, is added in storage bin by the unification of extraneous addition point；The devil liquor recovery System is unique Mead-Bauer recovery system, and all waste liquids, either single or multiple unifications are focused in waste liquid storage tank, unified Exclude.More excellent described single storage box bottom is equipped with a pressure detection switch, detects amount of liquid in storage box at any time.More The excellent storage upper box part is connected with exhausted bath box by pipeline, it is ensured that after liquid material adds excess, liquid fully enters exhausted bath box In.More excellent waste liquid upper box part is provided with position detecting switch 861, detects liquid height in exhausted bath box at any time.

An alternative embodiment of the invention, mixing device（900）Structure as illustrated in figs. 20-24, by Sand pump（910）, storage Silo（920）, main body（930）, mixing sand tank（940）, sand launder（950）Deng composition.Sand pump（910）It is installed on sand tank（920） Top, and guarantee positive confinement, sand tank（920）Place mixing sand tank in lower section（940）, the mixing sand tank（940）It is outstanding by crossbeam It is hung on main body（930）It is internal.Sand tank（920）, mixing sand tank（940）, sand launder（950）Integral installation is installed in main body（930）On, Main body（930）Both sides are separately installed with switch board（931）, liquid material box bracket（932）Lead on, LOAD CELLS, motor, control valve Cross switch board（931）It is controlled.

The mixing device（900）Middle Sand pump（910）, sand tank（920）, sand launder（950）Respectively there are two sets, between two sets Control be the separate capacity for being independent of each other, so both having increased storage sand, be applied to single sanding gear and multiple pavings again Sand device is worked simultaneously, improves the efficiency of equipment.Sand tank（920）, mixing sand tank（940）, sand launder（950）Main body is mounted in all （930）On, main body（930）Itself also includes switch board（931）, liquid material box bracket（932）And the sensor of correlation, motor, control Valve processed is all by switch board（931）It is controlled.

Mixing sand tank（900）Operation principle is as follows, when sand mold 3D printing equipment is started working, Sand pump（910）Ventilation work, Sand is in Sand pump（910）In the presence of along sand tank（920）Sand inlet（921）Into sand tank（920）In, it is arranged on Sand tank（920）The mass sensor of bottom surrounding（922）Weight change is measured and fed back, works as sand tank（920）Middle sand When reaching setting value of weight, mass sensor（922）Send signal, Sand pump（910）Quit work.Work as sand tank（920） In sand reach setting value after, control valve 1（923）Automatically open up, vibrating motor（924）Start working, sand is along mulling Tank entrance（941）Into mixing sand tank（940）In, while liquid material is according to specific ratio（3%~20%）Mixing sand tank is entered by pipeline （940）In, mixing sand tank bottom（942）Motor（943）Drive stirring vane（949）High-speed rotation, treats sand and liquid material together After being stirred, now cylinder（944）Drive connecting bracket（945）Beginning is moved upwards, sealing block（946）Open, mix The sand for getting togather enters sand launder with liquid material（950）In, control valve 2（952）Open, vibrating motor 2（953）Start working, sand Along leading sand panel beating（951）Into sanding gear（500）In, sensor（948）To sanding gear（500）In sand detected, Control valve 2 to close after reaching specified altitude assignment, vibrating motor 2（953）Quit work.The above-mentioned action of repetition is continuous automatic to realize Inhale sand, mulling, add sand function.

The mixing sand tank（940）The characteristics of be in structure, to be divided into part on mixing sand tank（947）With part under mixing sand tank （942）, linked together by the way of upper and lower docking, part under mixing sand tank（942）With sand often in contact with part adopt Rustless steel and other wear resistant corrosion resistant materials are made, and inside scribbles high-abrasive material, increase its wearability, and prolongation uses the longevity Life, while part under mixing sand tank need to be only changed when tank body weares and teares（942）, change simple and cost-effective.Sand export goes out Using arc-shaped sealing block（946）Sealed, at the same on sealing block also have sealing strip aided in, prevent tiny sand from Flow out in gap.Stirring vane（949）Combined using circular arc and flat board bending so as to stir area increase, improve stirring effect Rate, while stirring is more uniform.

Above a kind of many work box sand mold 3D printing equipment provided by the present invention are described in detail, herein should The principle and embodiment of the application are set forth with embodiment, the explanation of above example is only intended to help and understands The present processes and its core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the application, in tool Will change in body embodiment and range of application, in sum, this specification content is should not be construed as to the application Restriction.

Claims (10)

1. a kind of many work box sand mold 3D printing equipment, including：Main body frame (100), work box induction system（200）, work Case（300）, work box lifting body（400）, sanding gear（500）, printhead（600）, cleaning device（700）, liquid feeding system （800）, mixing device（900）And electrical system, it is characterised in that：

Main body frame（100）Including at least three root posts, after the main body frame is completed, the work of two or more independence is formed Make region, each working region bottom is respectively mounted a set of work box lifting body（400）；

Each described work box lifting body（400）Top a set of work box induction system is respectively set（200）, for driving work Make case（300）Moving along Y direction；

The work box（300）Including base plate, which is portable plate, can pass through the work box lifting body（400）Drive work Case is lifted along Z-direction；

The main body frame（100）At least three root posts each column above lay sanding gear operation module respectively （510）, sanding gear operation module described at least three（510）Between pass through at least two shaft couplings（530）Connection, shaft coupling with Sanding gear runs motor（520）Connection, sanding gear described at least two（500）It is fixed at least three sanding gears fortune Row module（510）Above corresponding slide block, motor is run by sanding gear（520）Drive respective amount sanding gear（500） Run simultaneously along Y direction, synchronously complete in independent two or many work boxs（300）The sanding action of top；It is described extremely Few two sanding gears（500）Each sanding gear below be respectively arranged the work box of respective amount（300）；

The main body frame（100）Inside top is provided with printhead and runs X to linear electric motors（620）, the printhead operation X To linear electric motors（620）Lower section is installed by printhead operation Y-direction module（633）, printhead（600）Y-direction module is run with printhead （633）Connection, runs X to linear electric motors in the printhead（620）Y-direction servomotor is run with printhead（631）Driving Under, complete described two or many work boxs of sanding（300）The sand surface of top carry out one back and forth all standing beat Print work, and printhead（600）The operation of achievable X-axis, Y-axis both direction；

The main body frame（100）Top outer is provided with mixing device（900）, it is the sanding gear（500）Sand supplying.

2. equipment according to claim 1, it is characterised in that the work box induction system（200）Including at least three Roller-way mounting rail（210）, roller-way mounting rail（210）By supporting leg（250）Support, mounting seat（221）It is fixed on roller-way mounting rail （210）Side, mounting seat and support shaft（226）Connection, cylinder（225）And sprocket wheel（222）It is fixedly connected, and by bearing （223）It is fixedly mounted on support shaft（226）On, finally by jump ring（224）Locking bearing（223）；Connect sand launder（270）Installed in roller Road mounting rail（210）Between, for receiving work box（300）Omit sand；Motor（261）With motor mount（262）Assembling Side is fixedly mounted on roller-way mounting rail afterwards（210）On, opposite side passes through shaft coupling（260）With another roller-way mounting rail （210）Connection, work box detent mechanism（290）Installed in overall framework（100）On, for adjustment work case（300）In sand mold Operating position in 3D printing equipment.

3. equipment according to claim 1, it is characterised in that work box（300）Including liner, shell, sealing frame, support 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, with sanding Device is concordant, it is ensured that during sanding, work box surrounding will not occur leakage sand situation；Bracing frame is installed in bottom surrounding and bottom surface, uses In support and the base of surrounding structure（323）It is spacing when moving to bottommost；Work box base（323）Pacify on surrounding top Dress felt, and compressed by bolt with felt pressure plate, felt is brought into close contact with surrounding liner, it is ensured that be moved through in work box In journey, bottom will not occur leakage sand situation.

4. equipment according to claim 1, it is characterised in that the work box lifting body（400）Including：Framework （410）, servomotor（420）, lifting part（430）, drive mechanism（440）；Servomotor（420）, lifting part（430）、 Drive mechanism（440）Installed in framework（410）On, framework（410）By left side brackets（411）, bottom bracket（412）, right side Frame（413）, motor cabinet（414）Composition, servomotor（420）By motor connection axle（441）Drive drivewheel（442）Operating, Drivewheel（442）Pass through belt again（444）Drive driven pulley（445）Move together, belt（444）Pass through during rotation Contact roller（443）It is tensioned；Driven pulley（445）By key and screw mandrel（432）Connection, while driving screw mandrel（432）Rotate, silk Bar（432）Upper and lower end adopt floating bearing（435）And fixing bearing（431）It is fixed, screw mandrel（432）On silk is installed Stem nut（433）, with the rotation of screw mandrel, feed screw nut（433）Move up and down along screw thread, raising board（438）With screw mandrel spiral shell It is female（433）By contiguous block（434）It is attached, raising board（438）On slide block is installed（416）, slide block（416）Vertically leading Rail（415）Upper slip, raising board（438）Top be provided with support block and adjust jackscrew, in whole motor process Support work box（300）, and by controlling to adjust jackscrew（437）Position keep work box（300）Level.

5. equipment according to claim 1, it is characterised in that the sanding gear（500）Including sand launder（501）, to deposit Storage sand, in sand launder（501）Top by being connected with cover plate（503）, cover plate（503）One end is provided with and connects sand mouth（508）, it is another End is installed by screw drives motor（504）, the cover plate（503）Underface is lifted with screw rod（502）, the screw rod（502） By synchronous pulley（506）And Timing Belt and the screw drives motor（504）Connection, sand launder（501）Centre sieve is installed Sand launder（560）, the sieve sand launder（560）Lower section is provided with lower sand mouth（541）, and with lower sand mouth（541）Rear portion is adjacent, and level The angled stragith edge of mask；Eccentric shaft（551）It is lifted on sand launder（501）Lower section side, several eccentric blocks（553）Pass through Bearing（552）It is installed on the eccentric shaft（551）On, the eccentric block（553）Lower end and and contiguous block（554）Between connect, The contiguous block（554）The back side is provided with stragith edge（570）, vibrating motor（550）With eccentric shaft（551）One end connects, and solid Due to sand launder（501）Lower section, the contiguous block（554）Together with the stragith edge of the side of being fixed thereon（570）By swing connecting bar （542）And connection bearing pin（543）With rotary pin shaft bearing（544）It is connected, the rotary pin shaft bearing（544）Installed in sand launder （501）Lower section.

6. equipment according to claim 1, it is characterised in that the sanding gear（500）Including sand launder（501）, to deposit Storage sand, in sand launder（501）Top be connected with cover plate（503）, cover plate（503）One end is provided with and connects sand mouth（508）, other end peace Dress screw drives motor（504）, the cover plate（503）Underface is lifted with screw rod（502）, the screw rod（502）Pass through Synchronous pulley（506）And Timing Belt and the screw drives motor（504）Connection, sand launder（501）And its affiliated installed part entirety By the rotating shaft of both sides（512）It is installed on shaft seating（511）It is interior, the shaft seating（511）Maintain static, top is provided with Fork（513）, the sand launder（501）Both sides are provided with cylinder saddle（514）, the cylinder saddle（514）Connected by bearing pin There is telescopic cylinder（515）, the telescopic cylinder（515）Cylinder rod again and fork（513）Connected by pin, by telescopic cylinder （515）Expanding-contracting action can drive sand launder（501）And its affiliated installing component is entirely around shaft seating（511）Rotation, sand launder （501）Centre funnel is installed（521）, the funnel（521）Lower section is provided with lower sand mouth（541）, and with lower sand mouth（541） Both sides it is adjacent, and horizontal plane have angled stragith edge（570）, eccentric shaft（551）It is lifted on sand launder（501）Lower section one Side, several eccentric blocks（553）By bearing（552）It is installed on the eccentric shaft（551）On, the eccentric block（553）It is another End and and funnel（521）It is connected, contiguous block（554）It is lifted on sand launder（501）Lower section, the contiguous block（554）Install bottom Flexible trachea notch（524）And stragith edge（523）, vibrating motor（550）With eccentric shaft（551）One end connects, and is fixed on Sand launder（501）Lower section, heating tube（517）It is lifted on sand launder（501）Lower section, positioned at eccentric shaft（551）Offside.

7. equipment according to claim 1, it is characterised in that magnetic track（625）It is fixed on X-axis main backstop（622） On, guide rail is housed on magnetic track, X is to linear electric motors（620）With the guide rail slide block on guide rail（614）With the main connecting seat of XY axles （628）Connection, is driven by linear electric motors, drives Y-axis module（633）Motion, and then drive whole print head assembly（640）In X The motion of axle, 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 is anti- Shield（626）Carry out mechanical seal；X-axis main backstop both sides configure X-axis auxiliary support frame（611）, X-axis auxiliary guide rail installed above Bracing frame（612）For fixing guide rail（616）, the guide rail slide block on guide rail（614）Connecting seat is aided in X-axis（615）Using spiral shell Bolt carries out a conjunction, and auxiliary drives print head assembly（640）X-direction motion, guide rail surrounding with X-axis auxiliary guide rail protect（613）、 Guide rail slide block（614）, X-axis auxiliary support frame cover plate（618）Sealed；Bracing frame utilizes X-axis auxiliary fixing plate（619）And X The main fixed plate of axle（621）It is connected with 3D printer agent structure, it is ensured that printer module（640）X-axis in overall 3D printing Stroke range in machine, y-axis motor（631）With Y-axis module（633）By Y-axis fixed plate（632）Connection, motor output drive Y Axle mobile link plate（634）In the motion of Y-direction, print head assembly is realized（640）Y-direction motion.

8. equipment according to claim 1, it is characterised in that cleaning device（700）By gripper shoe（714）Fixed installation, Clean plate（712）By two support bars（713）Support in front and back；Sponge mechanism（740）Middle sponge（741）It is placed horizontally in sponge support Plate（742）On, and by stage clip（743）Support sponge gripper shoe（742）；Print head cleaning pond（730）Installed in clean plate（712） Below, and print head cleaning pond（730）With clean plate（712）Between have seal groove（735）, chromium plated shaft（732）It is arranged on and beats Print head service sink（730）Near, and in chromium plated shaft（732）It is upper that cleaning item is housed（733）With cleaning item installing plate（734）, wherein Two cleaning items（733）Cleaning item installing plate is clamped by bolt（734）, finally with fastening screw cleaning item installing plate （734）Installed in chromium plated shaft（732）；Liquid material sensor（731）For detecting cleanout fluid whether in place, it is ensured that part cleaning item （733）It is immersed in cleanout fluid；Holding mechanism（720）Equally by clean plate horizontal adjustment stage clip（721）Support installed in support Bar（713）On, by clean plate horizontal adjustment stage clip（721）Adjustable paper fagging（723）Highly, it is ensured that paper fagging（723）With it is clear Board-washing（712）Same plane degree is required.

9. equipment according to claim 1, it is characterised in that the liquid feeding system（800）Including：Mounting bracket, liquid material 1 Feed system, Mead-Bauer recovery system, cleaning feed system, 2 feed system of liquid material, other auxiliary device, wherein, the liquid material 1 Feed system includes：Addition point, 1 grade of filter, motor, storage bin, motor, 2 grades of filters, electromagnetic valve, meters flow valve, perform unit Part；The Mead-Bauer recovery system includes：Each waste collection point, electromagnetic valve, motor, collecting box, filter, receive motor, check valve, Recovery point；The cleaning feed system includes：Abluent addition point, filter, filter, storage box, motor, electromagnetic valve, meter Stream valve, cleaning point；2 feed system of the liquid material includes：Addition point, filter, valve, storage bin, executive component；It is described other Auxiliary device includes：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 the mixing device（900）Including：Sand pump（910）、 Sand tank（920）, main body（930）, mixing sand tank（940）, sand launder（950）；Wherein, Sand pump（910）It is installed on sand tank（920） Top, sand tank（920）Place mixing sand tank in lower section（940）, the mixing sand tank（940）Main body is hung on by crossbeam（930）It is interior Portion, sand tank（920）, mixing sand tank（940）, sand launder（950）Integral installation is installed in main body（930）On, the mixing device （900）Middle Sand pump（910）, sand tank（920）, sand launder（950）Respectively have two sets, the control between two sets be it is separate mutually not Affect.