There is the three-dimensional printer of magnetic screen feeding device
Technical field
The present invention relates to 3 D-printing equipment, particularly, relate to a kind of magnetic screen feeding device of havingThree-dimensional printer.
Background technology
Three-dimensional printer, is a kind of based on mathematical model, utilizes the moulding material such as powdery metal or plastics,Construct the equipment of three-dimensional body by the mode of successively printing.
The printing raw material of existing three-dimensional printer is plastics material strip, and this plastics material strip cleannesHigh, printing effect is good, but cost is higher, and existing printer device cannot be realized the refuse profit of raw materialWith. Meanwhile, in order to print 3 D color object, at least needing provides multiple to this three-dimensional printerWith the raw band of color, in order to guarantee printing objects continuously, multiple raw material tape drums all need to compriseA certain amount of raw material, causes the overall volume of this three-dimensional printer to increase. And in print procedure, rightThe demand of plurality of raw materials is dynamic change, causes changing continually raw material box, so not only prolongsGrow the time of 3 D-printing, and made different colours changeover portion printing effect poor, affected printoutFinal effect.
Summary of the invention
The object of this invention is to provide a kind of three-dimensional printer with magnetic screen feeding device, this printingThe feeding device of machine can will carry out the clear of metal sundries to the plastic raw materials being added in three-dimensional printerRemove, improve the cleannes of raw material, ensure the high-quality of 3 D-printing product.
To achieve these goals, the invention provides a kind of three-dimensional with magnetic screen feeding device beatsSeal machine, comprises casing and is arranged on controller, movable stand in casing, is arranged on the printing on movable standPort, print platform and feeding device; Controller is electrically connected with movable stand can control movable stand and existsPrint area top on print platform is mobile; Feeding device is connected to make to print end with print.er portMouth becomes the printing heating raw materials in the feeding device receiving molten condition and is ejected on print platformMoulding; Print.er port comprises rotatable printing dish and is arranged on multiple printheads and the printing on printing dishThe discharging opening of head is vertically towards print platform; Multiple feeding devices and printhead one by one corresponding assembling with to notIn same printhead, add the printing raw material of different colours; Wherein, feeding device comprises the confession with bungCharging basket, funnelform loading head and feeder sleeve; Loading head is arranged on the bottom of feeding box and passes through feeder sleeveCarry and print raw material; In feeding box, be provided with magnetic screen, magnetic screen be removably erected at loading head withFeeding box junction.
Preferably, on the inwall of feeding box, be also provided with magnetic screen along circumferential applying.
Preferably, feeding device also comprises driving arrangement, and the two ends of driving arrangement are consolidated by connecting rod respectivelyBe connected on magnetic screen to drive magnetic screen around self axial direction rotation.
Preferably, movable stand comprises two sliding trays, two elevating levers and a hack lever; Wherein, twoBar sliding tray is set in parallel on print platform, and the two ends of hack lever are connected with sliding tray respectively and can edgeThe length direction of sliding tray moves back and forth; Elevating lever is arranged on the outside of sliding tray and is connected with sliding trayTo drive the direction lifting of sliding tray along vertical print platform.
Preferably, printing dish is connected with the bottom face of hack lever by turning cylinder and printing dish can be along rotatingThe axial direction of moving axis rotates, and turning cylinder can move along the length direction of hack lever.
Preferably, on the periphery wall of printing dish, along being circumferentially with strip tooth, on hack lever, being also provided with motor and drivingMoving gear, the tooth that driven wheel is set on the turning cylinder of motor and on driven wheel can be nibbled with strip toothClose.
Preferably, on the sidewall of casing, outwardly convex is formed with gathering sill, and the movable end of feeder sleeve is through leadingTo groove and extend in printhead.
According to technique scheme, the present invention establishes magnetic screen in feeding box, and magnetic screen is set upIn the junction of loading head and feeding box, when operating personnel open bung by plastic raw materials spacious from feeding boxAfter mouth is poured into, because the effect plastic grain that is subject to gravity is piled up and falls, process magnetic in dropping processProperty filter screen through hole enter loading head and enter feeder sleeve downwards and carry. And in this process, magneticFilter screen adsorbs the metallics being mixed in plastic grain, stops itself and plastic grain together to fall,Be stuck or wear and tear thereby protected three-dimensional printer to avoid it, therefore having saved cost, having improved workEfficiency.
Other features and advantages of the present invention are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, withDetailed description of the invention one is below used from explanation the present invention, but is not construed as limiting the invention. ?In accompanying drawing:
Fig. 1 is according to the feeding device with magnetic screen in a kind of embodiment provided by the inventionStructural representation;
Fig. 2 is according to having three of a magnetic screen feeding device in a kind of embodiment provided by the inventionThe structural representation of dimension printer.
Description of reference numerals
1-casing 2-print platform
3-printing dish 4-printhead
51-bung 52-feeding box
53-loading head 54-magnetic screen
55-driving arrangement 56-connecting rod
6-feeder sleeve 7-sliding tray
8-elevating lever 9-hack lever
10-motor 11-driven wheel
12-gathering sill
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated. Should be understood that,Detailed description of the invention described herein only, for description and interpretation the present invention, is not limited to thisBright.
In the present invention, in the situation that not doing contrary explanation, " top, bottom " etc. is included in termIn the noun of locality only represent the orientation of this term under normal service condition, or be those skilled in the art reasonThat separates is commonly called as, and should not be considered as the restriction to this term.
Referring to Fig. 2, the invention provides a kind of three-dimensional printer with magnetic screen feeding device, compriseCasing 1 and be arranged on controller, movable stand in casing 1, be arranged on print.er port on movable stand,Print platform 2 and feeding device; Controller is electrically connected with movable stand can control movable stand and is printingPrint area top on platform 2 is mobile; Feeding device is connected to make print.er port with print.er portPrinting heating raw materials in the feeding device receiving is become to molten condition and be ejected on print platform 2Type; Print.er port comprise rotatable printing dish 3 and be arranged on multiple printheads 4 on printing dish 3 andThe discharging opening of printhead 4 is vertically towards print platform 2; Multiple feeding devices are corresponding one by one with printhead 4Assembling is to add the printing raw material of different colours in the printhead 4 to different; Wherein, as shown in Figure 1,Feeding device comprises feeding box 52, funnelform loading head 53 and the feeder sleeve 6 with bung 51; CollectionGlassware 53 is arranged on the bottom of feeding box 52 and is carried and printed raw material by feeder sleeve 6; Feeding box 52Inside be provided with magnetic screen 54, magnetic screen 54 is removably erected at loading head 53 and connects with feeding box 52Meet place.
By technique scheme, in feeding box 52, establish magnetic screen 54, and by magnetic screen 54Be erected at the junction of loading head 53 and feeding box 52, as operating personnel, to open bung 51 former by plasticsExpect from uncovered the pouring into of feeding box 52, because the effect plastic grain that is subject to gravity is piled up and falls,In dropping process, enter loading head 53 and enter feeder sleeve downwards through the through hole of magnetic screen 54 and carry outCarry. And in this process, magnetic screen 54 adsorbs the metallics being mixed in plastic grain,Stop itself and plastic grain together to fall, be stuck or wear and tear thereby protected three-dimensional printer to avoid it,Therefore save cost, improved operating efficiency. Meanwhile, by printhead independent on three-dimensional printer 4Be designed to multiple printheads 4, and by multiple printheads 4 be arranged on can the printing dish 3 of rotation on, manyIndividual feed reel 5 and printhead 4 one by one corresponding assembling so that different printhead 4 can be printed notWith the raw material of color or quality. Like this, when a printhead 4 on printing dish 3 complete this kind of color orAfter the printing of quality, rotate printing dish 3 just can be efficiently and easily by print time a kind of different color orAnother printhead 4 of quality raw material moves to 3 D-printing semi-finished product top to be continued to print. So canSwitch very rapidly different colours or quality, optimized printing changeover portion, also not only saved the time-write intervalImprove the printing effect of three-dimensional body.
In present embodiment, in order to strengthen the adsorption effect of magnetic screen 54 to metal impurities, increase magneticProperty filter screen 54 adsorption area, preferably on the inwall of feeding box 52 along circumferentially applying and be also provided with magnetic screen 54.
Further, in order significantly to improve removal of impurity effect, preferably, feeding device also comprises driving to be establishedFor 55, the two ends of driving arrangement 55 are fixed on magnetic screen 54 to drive by connecting rod 56 respectivelyMagnetic screen 54 is around self axial direction rotation. Like this, in reinforced process, driving arrangement 55 drivesMagnetic screen 54 slowly rotates, and has improved the absorption affinity to metal impurities, further the clean raw material of printing.
In present embodiment, in order to simplify the frame for movement of movable stand, be convenient to it and drive printhead 4 beatingPrint platform 2 tops and move or hover to print operation, preferably, movable stand comprises two sliding trays7, two elevating levers 8 and a hack lever 9; Wherein, two sliding trays 7 are set in parallel in print platformOn 2, the two ends of hack lever 9 are connected with sliding tray 7 respectively and can be past along the length direction of sliding tray 7Reciprocating cutter; Elevating lever 8 is arranged on the outside of sliding tray 7 and is connected to drive sliding tray with sliding tray 7The 7 direction liftings along vertical print platform 2.
In above-mentioned moving process, for the ease of regulating the particular location of the printhead 4 on printing dish 3,Make printing can cover any one point on whole print platform 2, expand print area, excellentSelection of land, printing dish 3 is connected with the bottom face of hack lever 9 by turning cylinder and printing dish 3 can be along rotatingThe axial direction of moving axis rotates, and turning cylinder can move along the length direction of hack lever 9.
In addition, control the rotation of printing dish 3 for the ease of staff's operated from a distance, preferably printing dishOn 3 periphery wall, along being circumferentially with strip tooth, on hack lever 9, be also provided with motor 10 and driven wheel 11,Driven wheel 11 be set in tooth on the turning cylinder of motor 10 and on driven wheel 11 can with strip toothEngagement. Like this, Long-distance Control motor 10 rotates, and is set in the driven wheel 11 in motor 10 rotating shaftsAlso start to rotate, and it is mutual to coil strip tooth on 3 periphery walls by the tooth on driven wheel 11 and printingMating reaction drives printing dish 3 synchronously to rotate, and next the required printhead 4 on dish 3 to be printed movesTo 3 D-printing object when top just disable motor stop printing dish 3 and rotate, now once change and print faceThe operation of look or texture material just can complete.
When printhead 4 sucks the raw material in feeder sleeve 6 while carrying out heating and melting in its cavity, in order to makeMany feeder sleeves 6 are not mixed and disorderly in order in fill process, avoid being mutually wound around and causing feeder sleeve 6 to stop upEven pull cracking and cause printing wastage of material, preferably, on the sidewall of casing 1, outwardly convex is formed withGathering sill 12, the movable end of feeder sleeve 6 passes gathering sill 12 and extends in printhead 4.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail, still, the present invention does not limitDetail in above-mentioned embodiment, within the scope of technical conceive of the present invention, can be to the present inventionTechnical scheme carry out multiple simple variant, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technology spy described in above-mentioned detailed description of the inventionLevy, in reconcilable situation, can combine by any suitable mode, for fear of needn'tThe repetition of wanting, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as itsWithout prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.