CN101850620A

CN101850620A - Dustproof device suitable for stereoscopic shaping mechanism

Info

Publication number: CN101850620A
Application number: CN200910133265A
Authority: CN
Inventors: 奚国元; 黄科铭
Original assignee: Microjet Technology Co Ltd
Current assignee: Microjet Technology Co Ltd
Priority date: 2009-03-31
Filing date: 2009-03-31
Publication date: 2010-10-06
Anticipated expiration: 2029-03-31
Also published as: CN101850620B

Abstract

The invention discloses a dustproof device suitable for a stereoscopic shaping mechanism. The dustproof device a transmission component dustproof structure, a construction groove dustproof structure, a maintaining device dustproof structure, an operation environmental dustproof structure and a powder storage groove dustproof structure, wherein the transmission component dustproof structure is used for blocking the contact of the construction powder and a transmission component; the construction groove dustproof structure is used for collecting the raised and fallen construction powder; the maintaining device dustproof structure is used for covering, proofing dust and protecting the maintaining device when the maintaining device is in idle; the operation environmental dustproof structure leads the internal operation environment to generate negative pressure to adsorb the raised construction powder; and the powder storage groove dustproof structure is used for sealing the raised fallen dust in the powder temporarily storage groove.

Description

Be applicable to the dust guard of stereoscopic moulding mechanism

Technical field

The invention relates to a kind of dust guard, refer to a kind of dust guard that is applicable to stereoscopic moulding mechanism especially.

Background technology

Rapid shaping technique (Rapid Prototyping, be called for short the RP technology) be to develop according to the notion that the construction pyramid is stacked into type layer by layer to form, its major technique feature is the agility of moulding, can be without any need for cutter, automatic under the situation of mould and tool, fast the design of any complicated shape is converted to fast the physical model of 3D, shorten the R﹠D cycle of new product greatly and reduced R﹠D costs, can guarantee the Time To Market of new product and the one-time success rate of new product development, it is between the technical staff, and technical staff and corporate decision maker, a more complete and product design media of communication easily is provided between the non-technical personnels such as the user of product, thus obviously improved product on market competitiveness and enterprise to the quick-reaction capability in market.

RP technical development at present goes out to utilize the spray printing technology to produce the physical model of 3D in conjunction with the mode of carrier precision positioning technology, its mode of production is earlier one deck powder to be layed in the carrier top and to utilize inkjet technology spray printing high viscosity adhesive liquid on the part powder, make adhesive liquid and powder be stained with glutinous and curing, repeat above-mentioned processing procedure always and pile up the physical model that to finish 3D layer by layer.

Yet the existing employed spray printing equipment of RP technology also can't be sealed up for safekeeping when not carrying out jet printing, and cull can be killed in the all-in-service station of jet-printing head or storage, will cause follow-up spray printing functional bad, can't continue the high-quality 3D product of spray printing output.

Though existing RP technology is to be known as rapid shaping technique, but no matter the size of formed article or how to improve the equipment of rapid molding device, still need spend a few hours or tens of hours ability shaping finishes, and in piling up the finished product that forms layer by layer, when jet-printing head itself has obstruction, as if not judging or discover, will cause time and the material waste that to remedy in real time.

In addition, when the mode of using spray printing high viscosity adhesive liquid is shaped, glue point spouting velocity is up to 8m/ second, in this ultrahigh speed hydrojet, stick powder at that moment when drop is sticking, the next door is not flown upward by sticking glutinous nanoscale starch end meeting of drop thereby bounce-back, and the time for powder or pickup, push powder and pile the phenomenon that the Shi Junhui generation powder that drops flies upward everywhere, and existing equipment does not have quantitative powder supplying mechanism, need unnecessary powder is pushed recovery cylinder, pollute and energy waste in the time of can causing powder to drop, in addition, after finishing, each shop powder needs to wait for the shaping and drying time, and must wait for a few hours drying after the moulding, also even fabrication strength is not enough or take accidentally and all may injure finished product, so need allow moulding product intensity enough strong, can take out, and the spray printing positioning accuracy can't reach, can only unidirectional quick shop powder and printing, increase the time of total moulding.

In addition, when long-term standby or jet-printing head left, scraping blade in the all-in-service station and seal can stick adhesive and produce hardening phenomenon.

And, prior art is used the device of unidirectional dusting and unidirectional spray printing, its print components action of unidirectional spray printing is for being located to terminal for powder by the initial point place earlier, again by the destination county dusting to the initial point place, beginning spray printing by the initial point place more at last locates to terminal, the previous operations time is too tediously long, and the time can't make full use of.

Therefore, how to develop a kind of dust guard that is applicable to stereoscopic moulding mechanism that improves above-mentioned prior art disappearance, real in pressing for the problem of solution at present.

Summary of the invention

Main purpose of the present invention is to provide a kind of dust guard that is applicable to stereoscopic moulding mechanism, also can't seal up for safekeeping when not carrying out jet printing in order to do solving the conventional stereo shaping mechanism, cull can kill in the all-in-service station of jet-printing head or storage, and jet-printing head when leaving scraping blade and the seal in the all-in-service station can stick adhesive and produce sclerosis, and the working environment that when shop powder or print job, can cause the dirt powder to fly upward, have influence on the shortcomings such as operate as normal of device and member, a kind of dust guard is provided especially, reaches the benefit of the comprehensive absolute dustproof operation of entire equipment.

For reaching above-mentioned purpose, of the present invention one implements the sample attitude for a kind of dust guard is provided than broad sense, it is applicable to stereoscopic moulding mechanism, stereoscopic moulding mechanism has drive disk assembly, the construction groove, print components, temporary storage powder groove, have the cage unit and strike off the attending device of unit, for the powder groove, this dust guard comprises: a drive disk assembly dustproof construction, have a dustproof plate and a flexible dustproof sheath, should dustproof plate be coated on this drive disk assembly around, should be arranged on this dustproof plate by flexible dustproof sheath telescopically, contact with this drive disk assembly in order to intercept the construction powder; One construction groove dustproof construction, comprise fall a powder dust proof member and one first air intake device, this powder dust proof member that falls falls into around this construction powder kicked up of collecting on every side that is arranged at this construction groove, and this first air intake device quickens to draw the construction powder that guiding falls into via this powder dust proof member that falls; One attending device dustproof construction comprises a cage and seals dirt parts and a cleaning dust proof member, and these cage envelope dirt parts hide proofing dust and protecting when leaving unused in this cage unit, and this cleaning dust proof member is struck off in this and hidden proofing dust and protecting when the unit leaves unused; One operating environment dustproof construction has one second air intake device, with so that the inside processing environment of this stereoscopic moulding mechanism produces a negative pressure, and this construction powder that flies upward with absorption; One storage powder groove dustproof construction, include a lid and a flexible member, this lid is arranged at notch top of this temporary storage powder groove, but and close the notch of this temporary storage powder groove by this flexible member and the left and right sides translation that should temporary accumulator tank be connected, should temporaryly store up with sealing that dust fall flies upward in the powder groove.

Description of drawings

Figure 1A: it is the perspective view of the stereoscopic moulding mechanism of preferred embodiment of the present invention.

Figure 1B: it is the generalized section of Figure 1A.

Fig. 1 C: it is the schematic diagram that the print components shown in Figure 1B moves to right edge.

Fig. 1 D: it is the jacking equipment illustrative view shown in Figure 1B.

Fig. 1 E: it is the a-quadrant enlarged diagram of Figure 1B.

Fig. 1 F: it is the structural representation that slotted eye and the perforate of bottom of the plate of the temporary storage powder groove shown in Fig. 1 E do not communicate.

Fig. 1 G: it is the structural representation that the slotted eye of the plate of the temporary storage powder groove shown in Fig. 1 E is connected with the perforate of bottom.

Fig. 1 H: it is the perspective view of the Cover opening of temporary storage powder groove.

Fig. 2 A: it is existing schematic diagram for the powder mode.

Fig. 2 B: it is temporary storage powder groove of the present invention supplies powder on the construction platform in the powder mode that paragraphs a schematic diagram.

Fig. 3: it is the part-structure schematic diagram of Figure 1A.

Fig. 4 A: it is the part-structure schematic diagram of print components of the present invention.

Fig. 4 B: it is that the drive disk assembly structural representation is set on the drive disk assembly shown in Fig. 4 A.

Fig. 5 A: it is the set construction groove dustproof construction schematic diagram of stereoscopic moulding mechanism of the present invention.

Fig. 5 B: it is the body schematic diagram of the construction groove dustproof construction shown in Fig. 5 A.

Fig. 5 C: it is the first air intake device schematic diagram that stereoscopic moulding mechanism of the present invention is provided with construction groove dustproof construction.

Fig. 6 A: it is the attending device structural representation that stereoscopic moulding mechanism of the present invention is provided with.

Fig. 6 B: it is the cage cellular construction schematic diagram shown in Fig. 6 A.

Fig. 6 C: it is the cage envelope dirt modular construction schematic diagram that stereoscopic moulding mechanism of the present invention is provided with.

Fig. 6 D: it is the generalized section that the cage envelope dirt parts running shown in Fig. 6 C is opened.

Fig. 6 E: it is the generalized section that the cage envelope dirt parts running shown in Fig. 6 C is closed.

Fig. 7 A: it is the perspective view of the set cleaning dust proof member of stereoscopic moulding mechanism of the present invention.

Fig. 7 B: it is to strike off unit and the relevant assembling structure schematic diagram of cleaning dust proof member shown in Fig. 7 A.

Fig. 7 C: it is the structure for amplifying schematic diagram in the C zone of Fig. 7 A.

Fig. 7 D: it is that the route guidance unit that cleans dust proof member shown in Fig. 7 C produces the structural representation of displacement downwards.

Fig. 7 E: it is to protrude rod member shown in Fig. 7 C by cleaning dust proof member schematic diagram.

Fig. 7 F: it is that strike off unit and the jet-printing head shown in Fig. 7 C implemented the cleaning operation schematic diagram.

Fig. 8: it is the operating environment dustproof construction schematic diagram in stereoscopic moulding mechanism of the present invention.

Fig. 9: it is the part-structure schematic diagram of the temporary storage powder groove shown in Figure 1A.

Figure 10 A: it is the generalized section that stereoscopic moulding mechanism of the present invention is provided with heating and air-returning device.

Figure 10 B: it is the perspective view of Figure 10 A.

Figure 11: it is a stereoscopic moulding mechanism continuous liquid supply device schematic diagram of the present invention.

Figure 12: it is the forming step flow chart of stereoscopic moulding mechanism of the present invention.

Figure 13: it is to see structural representation outside the stereoscopic moulding mechanism of the present invention.

The specific embodiment

Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations on different aspects, its neither departing from the scope of the present invention, and explanation wherein and icon be when the usefulness that explain in itself, but not in order to restriction the present invention.

See also Figure 1A and Figure 1B, wherein Figure 1A is the perspective view of the stereoscopic moulding mechanism of preferred embodiment of the present invention, Figure 1B is the generalized section of Figure 1A, shown in Figure 1A, stereoscopic moulding mechanism 1 of the present invention mainly is to have a dozen seal assemblies 11 of framework, a plurality of temporary storage powder groove, a plurality of for powder groove, a jacking equipment 14 and a construction groove 15 (shown in Figure 1B) on the construction pedestal 9 of carrying platform 91 in one.

Again, stereoscopic moulding mechanism of the present invention also has a printed product quality inspection and surveys a mechanism and an image detecting element, this print quality testing agency includes one and is driven rollable paper, use for this print components spray printing one figure on this paper, judge with the figure that this image detecting element detects this paper whether this print components blocks; And when preventing that print components from not operating, residual contain the liquid hardening that glues together glue on jet-printing head of print cartridge and the powder that flies upward sticked together on jet-printing head on it, and cause follow-up spray printing dysfunction, can't continue spray printing and go out high-quality solid object, therefore in the stereoscopic moulding mechanism of the present invention an attending device is set also.

Moreover stereoscopic moulding mechanism of the present invention contains the liquid construction moulding solid object of adhesive with spray printing on the construction powder, and the working environment that this construction powder can cause the dirt powder to fly upward when shop powder or print job has influence on the operate as normal of said apparatus and member.Yet, the device of stereoscopic moulding mechanism of the present invention and member all will be kept normal operation at any time, be absolute the preventing dust that necessarily requires entire equipment comprehensive, therefore, stereoscopic moulding mechanism of the present invention also further is provided with dust guard, this dust guard includes a drive disk assembly dustproof construction, a construction groove dustproof construction, an attending device dustproof construction, an operating environment dustproof construction, a storage powder groove dustproof construction, in order to prevent that this construction powder that this shop powder and print job are kicked up from polluting, and completely cut off.

In addition; general stereoscopic moulding mechanism is very time-consuming in construction moulding solid object; for overcoming this shortcoming, the speed of construction groove upper berth powder lamination is essential to be accelerated, but at normal temperatures; must want a period of time drying after containing the spray liquid of adhesive; for shortening drying time, stereoscopic moulding mechanism of the present invention also further is provided with heating and air-returning device, can accelerate drying time; reach quick spray printing and molding time, and can be as the proofing dust and protecting of ink gun.

Again, the present invention's stereoscopic moulding mechanism of the present invention is in order to reach the purpose that can without interruptionly contain the liquid of adhesive, be that a continuous liquid supply device further is provided, the liquid that will contain adhesive is sent in the print cartridge of this print components, is able to long-time continuous and carries out spatterwork on the construction powder.

Below just the above-mentioned mentioned relevant apparatus of stereoscopic moulding mechanism of the present invention, member and enforcement solid object forming method thereof elaborate.

See also Figure 1B, the inside of construction groove 15 is to be connected with the partial component of jacking equipment 14 and can to do the oscilaltion displacement, and the inside of construction groove 15 has a construction platform 151, construction platform 151 is to use the solid object of piling up moulding for the placed layer layer, and the location that is connected with jacking equipment 14 is mainly carried out lifting according to the drive of jacking equipment 14 in the inside of construction groove 15.

Please consult Figure 1A again, a plurality of powder grooves that supply can comprise 2 for

powder groove

131 and 132, mainly are arranged at the limit, the left and right sides of stereoscopic moulding mechanism 1, in order to provide the production solid object needed construction powder.As for, a plurality of temporary storage powder grooves can comprise 2 temporary

storage powder grooves

121 and 122, it is the limit, the left and right sides that is arranged at print components 11 respectively, and carry out left and right sides interlock with print components 11, for powder groove 131 is to match with temporary storage powder groove 121 to be arranged at the same side, in order to provide the construction powder to temporary storage powder groove 121, to carry out follow-up construction shop powder, then matching with temporary storage powder groove 122 for powder groove 132 is arranged at the same side, carries out to the temporary storage powder groove 122 follow-uply can two-way construction spreading powder in order to the construction powder to be provided.

Present embodiment will be come into operation by first side to second side with print components 11 and implement three-dimensional thing type method proposition explanation, wherein the left side of Figure 1A is represented in the first side, the right side of Figure 1A is represented in the second side, but the actual operation mode is not as limit, please consult Figure 1B and Figure 12 again, the function mode of stereoscopic moulding mechanism 1 of the present invention is: at first, when the confession powder groove 131 in left side matches with temporary storage powder groove 121, supply powder groove 131 to provide and be layed in the once needed construction powder 16 in construction platform 151 whole surfaces to temporary storage powder groove 121 interior (shown in step S121 and Fig. 1 D), treat to finish for powder, print components 11 will drive temporary storage powder groove 121 and move to right side (step S122) by the left side, and the construction powder 16 of temporary storage powder groove 121 inside will be tiled in the process that moves on the surface of construction platform 151 (step S123), until print components 11 moves to right edge (shown in Fig. 1 C), for powder groove 132 can with the corresponding setting that matches of temporary storage powder groove 122, supply powder groove 132 to provide equally and be layed in the once needed construction powder 16 in construction platform 151 whole surfaces to temporary storage powder groove 122 interior (step S124), after waiting to supply powder to finish, print components 11 side shifting of will turning left, and utilize inkjet technology spray printing on the part construction powder of being laid on the construction platform 151 16 to contain the liquid of adhesive, make this liquid and construction powder 16 be stained with glutinous and curing (step S125), and the temporary storage powder groove 122 that is arranged at print components 11 right edge will re-lay one deck construction powder 16 subsequently in carrying out on the construction powder 16 that jet printing finishes (step S126), treat print components 11 move to the left side and make once more for powder groove 131 with temporary store up powder groove 121 match corresponding after, to provide powder to temporary storage powder groove 121 interior (step S127) once more for

powder groove

131,11 of print components drive temporary storage powder groove 121 and move to the right side by the left side afterwards, and utilize inkjet technology spray printing high viscosity adhesive liquid on the part construction powder of being laid on the construction platform 151 16, make adhesive liquid and construction powder be stained with glutinous and curing (step S128), then, the running software of stereoscopic moulding mechanism 1 will judge whether to have finished the production stage of solid object, if the result is for being, completed product run step then, and jacking equipment 14 will drive construction platform 151 toward rising, can remove unnecessary construction powder 16, to carry out pickup.

Otherwise, if the result is for denying, the temporary storage powder groove 122 that then is arranged at print components 11 right edge will re-lay one deck construction powder subsequently in carrying out on the construction powder that jet printing finishes, repeat above-mentioned steps S123 to S128 piles up and can finish solid object always layer by layer, it is the physical model of 3D, can solve prior art and use the device of unidirectional dusting and unidirectional spray printing, its print components action of unidirectional spray printing is for being located to terminal for powder by the initial point place earlier, again by the destination county dusting to the initial point place, beginning spray printing by the initial point place more at last locates to terminal, the previous operations time is too tediously long, the problem that the time can't make full use of.

In addition, in print components 11 every spray printing one decks or after producing certain thickness, jacking equipment 14 will drive the inside decline (as Fig. 1 D shown in) of construction platform 151 toward construction groove 15, and print components 11 will continue to cooperate the shop powder of temporary

storage powder groove

121 and 122 and carry out the production of solid object, until after the whole solid object moulding, jacking equipment 14 will drive construction platform 151 toward rising, and can remove unnecessary powder, to carry out pickup.

See also Fig. 1 E, Figure 1A and Figure 1B, wherein Fig. 1 E is the a-quadrant enlarged diagram of Figure 1B, as shown in the figure, inside for powder groove 131 is provided with a plurality of rollers, promptly two group of first roller 1311 and one second roller, 1312, the first rollers 1311 can be used as the powder that stirs for powder groove 131 inside, and 1312 on second roller is a certain amount of roller, in order to quantitatively to provide construction powder 16 to temporary storage powder groove 121, promptly be layed in the once needed construction powder 16 in construction platform 151 whole surfaces.

Please cooperate again and consult Figure 1A and E, but the top of temporary storage powder groove 121 is provided with the lid 1211 that a left and right sides translation is opened, and lid 1211 is to be connected with the body of temporary accumulator tank 121 by a flexible member 1213, and present embodiment flexible member 1213 is a spring.In addition, the edge of this lid 1211 has a protruding sidepiece 1212.

Please cooperate again and consult Fig. 1 C and Fig. 1 E, temporary also have one for a powder passage 1313 and a block piece 1314 for powder groove 121 tops, block piece 1314 is when keeping in storage powder groove 121 and supplying powder groove 131 to contact, replace mutually with the temporary protruding sidepiece 1212 that stores up the lid 1211 of powder groove 121, in order to the temporary storage of horizontally openable powder groove 121, making can be via for powder passage 1313 construction powder 16 being delivered to temporary storage powder groove 121 inside for powder groove 131, can shorten temporary storage powder groove 121 and the distance of the powder that supplies to fall between the powder groove 131, to reduce flying upward of powder.

Please consult Fig. 1 E again, after finishing for powder for powder groove 131, temporary storage powder groove 121 will be turned right away from supplying powder groove 131 because of the drive of print components 11, at this moment, block piece 1314 will no longer be replaced the protruding sidepiece 1212 of the lid 1211 of temporary storage powder groove 121, and lid 1211 also will be closed (shown in Figure 1A) because of the effect of flexible member 1213 elastic restoring forces.

See also Fig. 1 F and Fig. 1 H, wherein Fig. 1 F is the structural representation that slotted eye and the perforate of bottom of the plate of the temporary storage powder groove shown in Fig. 1 E do not communicate, Fig. 1 H is the perspective view of the Cover opening of temporary storage powder groove, as shown in the figure, the inside of temporary storage powder groove 121 is provided with a driver part, can be eccentric wheel 1214, plate 1215 motions that have a plurality of slotted eyes 12151 in order to drive, and the bottom and the plate 1215 corresponding zones of temporary storage powder groove 121 are provided with a plurality of perforates 1216, and these a plurality of perforates 1216 are level each other and separate setting, when the lid 1211 of temporary storage powder groove 121 is opened and is supplied powder, eccentric wheel 1214 will drive plate 1215 and move to make between slotted eye 12151 and the perforate 1216 and be not communicated with, can prevent that the construction powder from leaking, otherwise, when the lid 1211 of temporary storage powder groove 121 is closed, eccentric wheel 1214 will drive plate 1215 and move and make slotted eye 12151 and be connected between the perforate 1216 (shown in Fig. 1 G), thus, the construction powder of temporary storage powder groove 121 inside will be in dropping on construction platform 151 under the drive of print components 11, and the roller 1217 by the rear pushes away the construction powder flat and flattens so that the construction powder is tiled on the surface of construction platform 151.

Please consult Fig. 1 F and Fig. 1 H again, because set slotted eye 12151 is level each other and separates setting on the plate 1215 of the present invention, therefore the powder mode that falls that can segmentation supplies powder (shown in Fig. 2 B) on construction platform 151, so that the shop powder density unanimity on the construction platform 151, can solve prior art all powder amounts just once are provided when beginning for powder, cause when beginning to push away powder because weight and pushing, the density inequality and the unnecessary construction powder that form leading portion and back segment shop powder are pushed in the recovery cylinder, shown in Fig. 2 A, when powder quantity not sufficient or shop powder when too much, the powder amount all can concentrate on mid portion, cause construction powder density inequality, make fine and close than the front end powder density, and the two ends of construction platform are not easy to be taped against the construction powder, must repeatedly spread powder and just can be taped against, the construction powder density inequality that is caused, waste of construction powder and time go up waste and need repeatedly operation just can finish the problem of once spreading powder.

As for, be identical for powder groove 132 with temporary mode and structure of storing up 122 combinations of powder groove with Fig. 1 E, Fig. 1 F, Fig. 1 G and Fig. 1 H, therefore do not reintroduce explanation.

Please consult Figure 1A and Fig. 3 again, wherein Fig. 3 is the part-structure schematic diagram of Figure 1A, as shown in the figure, stereoscopic moulding mechanism 1 of the present invention also has a printed product quality inspection and surveys a mechanism 17 and an image detecting element 18, print quality testing agency 17 comprises a framework and driven rollable paper 171 on the carrying platform 91 of construction pedestal 9, print components 11 can be prior to carrying out spray printing before initial startup on the paper 171, and be arranged at for the image detecting element 18 on powder groove 131 sides, for example: this image detecting element 18 is a charge coupled cell (CCD), whether figure that detection is printed and the jet-printing head 1121 (shown in Fig. 7 F) of judging print components 11 have the phenomenon of obstruction, if judged result is for being, then need earlier print components 11 to be cleaned, otherwise if judged result is not for the time, then print quality testing agency 17 is with scrolling paper 171, used paper 171 is furled to change clean paper 171, use in order to follow-up test, and print components 11 can carry out follow-up spray printing action on construction platform 151.

See also Fig. 4 A, it is the part-structure schematic diagram of print components of the present invention, as shown in the figure, stereoscopic moulding mechanism 1 of the present invention also comprises a drive disk assembly 111, for example: this drive disk assembly 111 is ball driving screw and linear slide rail etc., it strides the both sides of being located at print components 11, is mainly used to drive print components 11 and moves.

Stereoscopic moulding mechanism 1 of the present invention is in order to prevent that the spray printing process from producing the construction powder that flies upward and being built-up on the drive disk assembly 111, and cause influences such as its service life and printing precision, the drive disk assembly dustproof construction that stereoscopic moulding mechanism of the present invention 1 is set, it is formed (shown in Fig. 4 B) by dustproof plate 191 and flexible dustproof sheath 192, intercept in order to the environment that drive disk assembly 111 and dirt powder are flown upward, to guarantee the absolute dustproof of drive disk assembly 111.Wherein, dustproof plate 191 can be an ironware, is coated on around the drive disk assembly 111, and its function also can be used as the track of the flexible sheath 192 that prevents dust when walking except intercepting powder and drive disk assembly 111 contact.When print components 11 was turned left side shifting, the left side of flexible dustproof sheath 192 can be subjected to the extruding of print components 11 and shrink, and right-hand part then prolongs.Otherwise, to turn right when mobile when print components 11, the right-hand part of flexible dustproof sheath 192 can be subjected to the extruding of print components 11 and shrink, and the left side then prolongs, and intercepts the purpose that powder contacts with drive disk assembly 111 to reach.

See also Fig. 5 A, it is the set construction groove dustproof construction schematic diagram of stereoscopic moulding mechanism of the present invention, in order to clearly demonstrate thin portion of the present invention structure, Fig. 5 A is that the part-structure with stereoscopic moulding mechanism shown in Figure 1 is not omitted and indicates, as shown in Figure 5, in some embodiment, the construction groove dustproof construction that stereoscopic moulding mechanism of the present invention 1 is set, the powder dust proof member 20 and first air intake device 21 are formed by falling, this fall powder dust proof member 20 around be arranged at construction groove 15 around, this construction platform 151 then is arranged at the zone line of this powder dust proof member 20 that falls, this powder dust proof member 20 that falls comprises a lid 201 and the body 202 with a plurality of perforated holes 2011, and directly fall for fear of powder and to cause the dirt powder to fly upward in the inside of body 202, also be provided with a plurality of ramp structures 2021 (shown in Fig. 5 B), and cooperating the absorption of first air intake device 21, the powder that the spray printing process is kicked up is by the perforated holes 2011 of lid 201, the ramp structure 2021 of body 202 is collected in the collection powder groove 22 (shown in Fig. 5 C).

When preventing that print cartridge 112 from not operating, the powder that residual contain the liquid hardening of adhesive on the jet-printing head 1121 of print cartridge 112 and fly upward sticks together on jet-printing head 1121, and cause follow-up spray printing dysfunction, can't continue spray printing and go out high-quality solid object, therefore set attending device 30 mainly includes that a cage unit 31 and strikes off unit 32 on this carrying platform 91 that is arranged at this construction pedestal 9 respectively in the stereoscopic moulding mechanism 1 of present embodiment, when print cartridge 112 does not operate, this cage unit 31 is used for sealing the jet-printing head 1121 (shown in Fig. 6 D) of print cartridge 112, strike off unit 32 liquid that contains adhesive unnecessary on the jet-printing head 1121 is got rid of, to prevent jet-printing head 1121 contaminated and mummification (shown in Fig. 7 F).

See also Fig. 6 A and Fig. 6 B, wherein Fig. 6 A is the part-structure schematic diagram of the set attending device of stereoscopic moulding mechanism of the present invention, Fig. 6 B is the cage cellular construction schematic diagram shown in Fig. 6 A, as shown in Figure 6A, cage of the present invention unit 31 comprises a protection cage 311 and the seal member of at least one 312, this protection cage 311 is arranged on the carrying platform 91 of stereoscopic moulding mechanism 1, and this at least one seal member 312 is arranged at protection cage 311 inside, mainly when print cartridge 112 does not operate, contact with the bottom of print cartridge 112, making at least one seal member 312 that protects cage 311 inside contact with the jet-printing head 1121 of print cartridge 112 is connected, with sealing jet-printing head 1121 (shown in Fig. 6 D), can reach the liquid hardening that contains adhesive on the jet-printing head 1121 that prevents print cartridge 112, and prevent that powder from sticking together the effect on jet-printing head 1121.Certainly, in some embodiment, the quantity of seal member 312 can change according to the quantity of print cartridge 112.

When the mode of using spray printing to contain the liquid of adhesive is shaped, glue point spouting velocity is up to 8m/s, in this ultrahigh speed hydrojet, when drop is sticky in powder moment, next door nanoscale starch end meeting thereby bounce-back are flown upward, or the time for powder or pickup, all can produce powder flies upward everywhere, protect cage 311 and just might be subjected to the pollution of powder and need the dustproof device this moment, so the set attending device dustproof construction of the present invention comprises cage envelope dirt parts 33 (shown in Fig. 6 C) and a pair of scraper plate envelope dirt parts 4 (shown in Fig. 7 B) that strike off unit 32 envelope dirt of a pair of cage unit 31 envelope dirt.

Carry out spray printing running and protection cage 311 when idle when print cartridge 112, these cage envelope dirt parts 33 can reach the dustproof purpose by capping protection protection cage 311.These cage envelope dirt parts 33 are made up of body 331, Moveable lid body 332 and flexible member 333, this body 331 is to be fixedly arranged on the carrying platform 91, this Moveable lid body 332 is that part is sheathed on this body 331, this flexible member 333 can be a spring, the one end is to be fixed on this body 331, and the other end then is connected with this Moveable lid body 332.

See also Fig. 6 D and Fig. 6 E, it is the generalized section of cage envelope dirt parts of the present invention running, shown in Fig. 6 D, when this print cartridge 112 do not operate and towards these protection cage 311 directions near the time, the bearing frame 114 of this print cartridge 112 will be replaced mutually with the Moveable lid body 332 of these cage envelope dirt parts 33, move toward direction to promote this Moveable lid body 332 away from this protection cage 311, i.e. b direction shown in the figure, make this protection cage 311 expose out, and the seal member 312 that makes this cage unit 31 is subjected to this bearing frame 114 and contacts interlock and close and to be and to contact with the bottom of this print cartridge 112 that (it is to have the jet-printing head maintenance technology now to make flowing mode that the cage unit closes with the bearing frame interlock, do not repeat them here), make jet-printing head 1121 and the sealing parts 312 of this print cartridge 112 contact to be connected and seal.What at this moment, this Moveable lid body 332 will be because of the bearing frame 114 of this print cartridge 112 continues to replace the state of always keeping unlatching.

Otherwise, see also Fig. 6 E, when this print cartridge 112 desires to carry out spray printing work, this print cartridge 112 will break away from this protection cage 311 tops, and move toward these construction platform 151 directions, i.e. a direction shown in the figure, at this moment, the bearing frame 114 of this print cartridge 112 will not bestowed the active force of replacing to the Moveable lid body 332 of these cage envelope dirt parts 33, make elastic-restoring force effect that this Moveable lid body 332 mutually should flexible member 333 and move toward the direction of this protection cage 311, and then cover this protection cage 311, prevent that to reach the powder that flies upward from polluting protection cage 311.

See also Fig. 7 A and Fig. 7 C, wherein Fig. 7 A is the perspective view of the set cleaning dust proof member of stereoscopic moulding mechanism of the present invention, Fig. 7 C is the C zone enlarged diagram of Fig. 7 A, shown in Fig. 7 A, cleaning dust proof member 4 of the present invention is arranged on the carrying platform 91 of stereoscopic moulding mechanism 1, the relative dual-side of this carrying platform 91 is plates 115 of difference framework print components 11, this plate 115 is set up on the drive disk assembly 111, driving in order to corresponding drive disk assembly 111 drives print components 11 in a-b direction back and forth movement, so that print components 11 carries out spray printing on construction platform 151.

Please consult Fig. 7 A and Fig. 7 C again, have one on these plate 115 sides and protrude rod member 1151, and see also Fig. 7 B, it is that the unit that strikes off shown in Fig. 7 A is schematic diagrames with cleaning 4 groups of upright closing of dust proof member, and as shown in the figure, this strikes off unit 32 and includes a rotating body 321, driving wheel group 322 and at least one scraper plate 323, it is rotatable that wherein this body 321 is subjected to driving wheel group 322 drivings, this at least one scraper plate 323 is arranged at interlock on the body 321, and this scraper plate 323 can be the scraper plate of a rubber material; And this cleaning dust proof member 4 is made up of a lid 41 and a reposition element 42, present embodiment reposition element 42 is a torque spring, this lid 41 is hubbed at this and strikes off on the unit 32, and be provided with a driven wheel 411 and be engaged and linked with driving wheel group 322, and this reposition element 42 also colludes and is hung on this and strikes off on the unit 32, so lid 41 by reposition element 42 can be back and forth rotationally with strike off unit 32 and be connected, make driven wheel 411 driving driving wheel group 322 drive scraper plate 323 by lid 41 rotations and be a unlatching or a closed condition, when scraper plate 323 is opened is to present vertical setting (shown in Fig. 7 F), otherwise, then present when closing and be horizontally disposed with (shown in Fig. 7 C).

Please consult Fig. 7 B again, one side of this lid 41 has a route guidance unit 412, its rubber-like plate, it comprises an inclined plane 4121 and a support surface 4122, see also Fig. 7 C, when breaking away from this protection cage 311, print cartridge 112 moves toward these construction platform 151 directions, and when this plate 115 moves to cleaning dust proof member 4, the protrusion rod member 1151 of this plate 115 will be along the guiding on the inclined plane 4121 of this route guidance unit 412 and by cleaning dust proof member 4 (shown in Fig. 7 D), because this route guidance unit 412 is elastic panels, therefore when protrusion rod member 1151 is pressed on the inclined plane 4121, to make this route guidance unit 412 produce displacement (shown in Fig. 7 D) downwards, and the protrusion rod member 1151 that makes this plate 115 carries out spray printing to drive print components 11 smoothly by cleaning dust proof member 4 (shown in Fig. 7 E) to construction platform 151.

Otherwise, print when the print cartridge 112 of this print components 11 and to finish or jet-printing head 1121 is when having dirt, this plate 115 will drive this print components 11 and move (promptly as shown in Figure 7 toward these cleaning dust proof member 4 directions, move toward the b direction by a), the protrusion rod member 1151 of this plate 115 will contact mutually with the support surface 4122 of this route guidance unit 412, and move driven wheel 411 that the thrust that is produced connects this lid 41 by this plate 115 and drive driving wheel group 322 and rotate, so the lid 41 of this cleaning dust proof member 4 is pushed down, simultaneously, this scraper plate 323 is also because of the drive vertical unlocking of driving wheel group 322, make this jet-printing head 1121 through the scraper plate 323 on this cleaning dust proof member 4, the liquid that contains adhesive unnecessary on this jet-printing head 1121 is got rid of, to prevent jet-printing head 1121 contaminated and mummification.

Please consult Fig. 7 C and Fig. 7 D again, as shown in the figure, when the scraper plate 323 of this cleaning dust proof member 4 does not need to operate, the protrusion rod member 1151 of this plate 115 does not contact with the support surface 4122 of this route guidance unit 412 at this moment, therefore this lid 41 is subjected to the reverse reset of reposition element 42, so strike off unit 32 by these lid 41 coverings, can reach the effect that the liquid contamination that prevents the powder that flies upward or contain adhesive strikes off unit 32.

Please consult Fig. 7 B and Fig. 7 F again, after this scraper plate 323 is finished cleaning and this print cartridge 112 and is left, the elastic-restoring force of the reposition element 42 of this cleaning dust proof member 4 will reverse that this lid 41 resets and driving belt driving wheel 411 drives driving wheel group 322 and rotates, so that scraper plate 323 turns to closed condition, this lid 41 will cover once more and strike off unit 32, can reach the effect that the liquid contamination that prevents the powder that flies upward or contain adhesive strikes off unit 32.

See also Fig. 8 and Figure 13, it is operating environment dustproof construction schematic diagram in stereoscopic moulding mechanism of the present invention for Fig. 8, and it is to see structural representation outside the stereoscopic moulding mechanism of the present invention for Figure 13.As shown in the figure, the inside processing environment of stereoscopic moulding mechanism 1 of the present invention is to utilize cover cap 8 to be isolated from the outside, owing to also can cause powder to fly upward during the running of inside processing environment, influence the running and the life-span of inner member for fear of powder, in embodiment, one operating environment dustproof construction can be set in the inside processing environment, this operating environment dustproof construction comprises a perforate 51, one pipeline 52 and one second air intake device 53, this perforate 51 is arranged on the construction pedestal 9 and is subjected to cover cap 8 to hide inside processing environment (not icon) in stereoscopic moulding mechanism 1, and this pipeline 52 is linked between perforate 51 and one second air intake device 53 as the control of dust transfer conduit, therefore this stereoscopic moulding mechanism 1 is covered with 8 times operations of cover cap in an end face outside, with so that operating environment produces a negative pressure, inhale in retracting device (not icon) with the powder that will fly upward.

See also Fig. 9, it is the part-structure schematic diagram of the temporary storage powder groove shown in Figure 1A, as Fig. 1 F, Fig. 1 G and shown in Figure 9, in some embodiment, the inside of temporary storage powder groove 121 is provided with a storage powder groove dustproof construction, this storage powder groove dustproof construction includes a lid 1211, a set ramp structure 1218 in one flexible member 1213 and the temporary storage powder groove 121, this lid 1211 is arranged at the top of this temporary storage powder groove 121 and is connected by the body of flexible member 1213 with temporary accumulator tank 121, but reaches the notch action that the temporary storage of sealing powder groove 121 was opened or closed in left and right sides translation.

When supplying powder when lid 1211 unlatchings of keeping in storage powder groove 121, guide for powder by being provided with of this ramp structure 1218, and prevent from when the powder to take place because of the gravity situation that powder causes the construction powder to fly upward that directly falls, and after supplying powder to finish, this lid 1211 will be closed, can be limited in its inner confined space keeping in the dirt powder that flies upward that is produced when storage powder groove 121 is spread powder, to reach temporary storage powder groove 121 dustproof functions.

See also Figure 10 A, it is the generalized section that stereoscopic moulding mechanism of the present invention is provided with heating and air-returning device, as shown in the figure, heating and air-returning device of the present invention can comprise at least one heater 61, this heater 61 can be a quartz heating-pipe, but not as limit, be arranged at the side of roller 1217, main in being stained with heating, drying on the glutinous liquid that contains adhesive with the construction powder immediately behind print components 11 spray printings, make itself and construction powder 16 cohere curing, in order to spreading powder once more, the speed that can accelerate to spread powder is in some embodiment, heating and air-returning device more can have a heat sensor (not icon), be mainly used to the temperature of sensing heating and control heater 61 runnings, when sensing heater 61 is heated to a certain design temperature, close heater immediately according to sensing result.

Please consult Figure 10 A again and cooperate Figure 10 B; wherein Figure 10 B is the perspective view shown in Figure 10 A; as shown in the figure; cause the damage of print components 11 for fear of the hot gas convection current of heater 61; heating and air-returning device more can include a return air channel 62 (shown in Figure 10 A and B); this return air channel 62 can be connected with extractor fan (not icon) by pipeline 63 (shown in Fig. 5 A); the flow direction of heater 61 hot gas that produces can be guided to this return air channel 62; to avoid thermal current through the print cartridge 112 of this print components 11 and cause the damage of jet-printing head 1121; in some embodiment; this heater 61 be provided with the position with this return air channel 62 be good in the same side; in addition; this return air channel 62 collocation extractor fans are except the controlled flow direction that heats gas; more the powder that print components 11 carries out being kicked up in the spray printing process can be drawn to retracting device, be reached the proofing dust and protecting effect of an ink gun.

See also Figure 11, it is a stereoscopic moulding mechanism of the present invention institute continuous liquid supply device structure schematic diagram, and as shown in the figure, the continuous liquid supply device 70 of present embodiment can comprise a fluidsupply container 71, first aspirator 72, second aspirator 73 and an accumulator tank 74.Wherein, this fluidsupply container 71 is positioned over outside the stereoscopic moulding mechanism 1, in order to store the required liquid that contains adhesive 711 of these print components 11 spray printings, and this fluidsupply container 71 is by connecting line guiding and first aspirator, 72 swabbing actions, internal reservoir liquid 711 is imported in this print cartridge 112, and this print cartridge 112 also can import inner excess liquid 711 in the accumulator tank 74 by connecting line guiding and second aspirator, 73 swabbing actions.

When these print components 11 runnings, utilize the running software of stereoscopic moulding mechanism 1 to calculate the liquid that contains adhesive 711 liquid measures of the required injection of these print cartridge 112 specking numbers, then utilize this first aspirator 72 in this fluidsupply container 71, to draw to these print cartridge 112 inside greater than some a little amounts of required spray printing amount, after treating that print cartridge 112 spray printings are finished, the inner unnecessary adhesive liquid of print cartridge 112 then 711 can utilize the suction of second aspirator 73 and flows in the accumulator tank 74.First aspirator 72 and second aspirator 72 are a pumping in the present embodiment.

Again, first aspirator 72 of the present invention has unidirectional non-return function, therefore fluidsupply container 71 can be positioned over any position of the end in the jet-printing head height of print cartridge 112, and the height of the insertion contact liq 711 of the liquid level detected catheter 113 of this print cartridge 112 can be used as control and detects height and the capacity that can deposit the liquid 711 that contains adhesive in the print cartridge 112.If this accumulator tank 74 is under the situation of cleaning, be to pour into again in the outside fluidsupply container 71 to reuse in addition.

In sum, stereoscopic moulding mechanism of the present invention is provided with respectively for powder groove and temporary storage powder groove in its dual-side, making for the powder groove to provide the construction powder to the temporary storage powder groove that matches, and print components can drive the powder that supplies that first and second temporary storage powder groove carries out two-way powder laying, and carry out two-way spray printing, can carry out two-way for powder, and shop powder and printing, to promote the speed of shop powder and spray printing.

Stereoscopic moulding mechanism of the present invention and forming method thereof, be layed in the once needed construction powder in the whole surface of construction platform to temporary storage powder groove by quantitatively providing for the powder groove, and a plurality of slotted eyes that plate comprised of temporary storage powder trench bottom are level each other and separate setting, the mode of powder of can paragraphing supplies powder on the construction platform, so that the shop powder density unanimity on the construction platform.

In addition, stereoscopic moulding mechanism of the present invention and forming method thereof, by dust guards such as drive disk assembly dustproof construction, construction groove dustproof construction, attending device dustproof construction, operating environment dustproof construction, storage powder groove dustproof construction are set, in order to prevent that this construction powder that this shop powder and print job are kicked up from polluting, impel the device and the member of stereoscopic moulding mechanism all can keep normal operation at any time, reach comprehensive absolute the preventing dust of entire equipment; Moreover this attending device dustproof construction can be protected the cage unit of attending device and strike off the unit when not carrying out jet printing, to reach dustproof and to prevent the contaminated purposes such as doing words that reaches of jet-printing head.

Moreover; stereoscopic moulding mechanism of the present invention and forming method thereof; and can judge whether jet-printing head has obstruction, and be provided with that heating and air-returning device shortens time of waiting for shaping and drying and as effects such as ink gun proofing dust and protecting by print quality testing agency and image detecting element.Therefore, stereoscopic moulding mechanism of the present invention and forming method thereof have the value of industry.

Claims

1. dust guard, it is applicable to a stereoscopic moulding mechanism, this stereoscopic moulding mechanism has a drive disk assembly, a construction groove, is printed assembly, a temporary storage powder groove, an attending device, that has the cage unit and strike off the unit for the powder groove, and this dust guard comprises:

One drive disk assembly dustproof construction has a dustproof plate and a flexible dustproof sheath, this dustproof plate be coated on this drive disk assembly around, this flexible dustproof sheath telescopically is arranged on this dustproof plate, contacts with this drive disk assembly in order to intercept the construction powder;

One construction groove dustproof construction, comprise fall a powder dust proof member and one first air intake device, this powder dust proof member that falls falls into around this construction powder kicked up of collecting on every side that is arranged at this construction groove, and this first air intake device quickens to draw the construction powder that guiding falls into via this powder dust proof member that falls;

One attending device dustproof construction comprises a cage and seals dirt parts and a cleaning dust proof member, and these cage envelope dirt parts hide proofing dust and protecting when leaving unused in this cage unit, and this cleaning dust proof member is struck off in this and hidden proofing dust and protecting when the unit leaves unused;

One operating environment dustproof construction, it has one the 3rd air intake device, with so that the inside processing environment of this stereoscopic moulding mechanism produces a negative pressure, this construction powder that flies upward with absorption;

One storage powder groove dustproof construction has a ramp structure, in order to guide this construction powder to should temporaryly storing up in the powder groove.

2. it is characterized in that described dust guard according to claim 1, it is characterized in that this powder dust proof member that falls of this construction groove dustproof construction has the lid and a body of a plurality of through holes, this body interior has more a plurality of ramp structures.

3. it is characterized in that described dust guard according to claim 1; these cage envelope dirt parts that it is characterized in that this attending device dustproof construction are made up of body, Moveable lid body and flexible member; this Moveable lid body is that part is sheathed on this body; this flexible member one end is fixed on this body; the other end then is connected with this Moveable lid body, in order to do in this cage unit when idle this Moveable lid body do not passed this cage unit proofing dust and protecting of normality capping.

4. it is characterized in that described dust guard according to claim 1; the cleaning dust proof member that it is characterized in that this attending device dustproof construction is made up of a lid and a reposition element; this lid is hubbed at this and strikes off and produce interlock on the unit; and this reposition element colludes and is hung on this and strikes off on the unit this lid of control and strike off in this and can come back rotation on unit, with strike off in this unit when idle this lid be able to the normality capping this strike off the unit proofing dust and protecting.

5. it is characterized in that described dust guard according to claim 1, it is characterized in that this operating environment dustproof construction also has a perforate and a pipeline, this pipeline is to be connected with this perforate and this second air intake device, this construction powder or dust that this second air intake device is flown upward by this pipeline and this perforate absorption.

6. it is characterized in that described dust guard according to claim 1, it is characterized in that this storage powder groove dustproof construction also has a ramp structure, this inclined-plane knot is arranged in this temporary storage powder groove, with guide this fall into the construction powder reduce gravity directly fall powder lower should temporary storage powder groove in dirt raise.

7. it is characterized in that described dust guard according to claim 1, it is characterized in that this dust guard further is provided with a return air channel, this return air channel is arranged at this print components one side, is provided with drawing this dustproof construction that this construction powder of kicking up constitutes this print components.

8. dust guard, it is applicable to a stereoscopic moulding mechanism, and this stereoscopic moulding mechanism has a drive disk assembly, and this dust guard comprises:

One drive disk assembly dustproof construction, have a dustproof plate and a flexible dustproof sheath, should dustproof plate be coated on this drive disk assembly around, this flexible dustproof sheath telescopically is arranged on this dustproof plate, contacts with this drive disk assembly in order to intercept powder or dust.

9. dust guard, it is applicable to a stereoscopic moulding mechanism, and this stereoscopic moulding mechanism has a construction groove, and this dust guard comprises:

One construction groove dustproof construction, comprise fall a powder dust proof member and one first air intake device, this powder dust proof member that falls falls into around collect on every side this powder or the dust kicked up that are arranged at this construction groove, and this first air intake device quickens to draw construction powder or the dust that guiding falls into via this powder dust proof member that falls.

10. dust guard, it is applicable to a stereoscopic moulding mechanism, and this stereoscopic moulding mechanism has the cage unit and strikes off the attending device of unit, and this dust guard comprises:

One attending device dustproof construction comprises a cage and seals dirt parts and a cleaning dust proof member, and these cage envelope dirt parts hide proofing dust and protecting when leaving unused in this cage unit, and this cleaning dust proof member is struck off in this and hidden proofing dust and protecting when the unit leaves unused.

11. a dust guard, it is applicable to a stereoscopic moulding mechanism, and this stereoscopic moulding mechanism has one for the powder groove, and this dust guard comprises:

One storage powder groove dustproof construction, include a lid and a flexible member, this lid is arranged at notch top of this temporary storage powder groove, but and close the notch of this temporary storage powder groove by this flexible member and the left and right sides translation that should temporary accumulator tank be connected, should temporaryly store up with sealing that dust fall flies upward in the powder groove.