TWM391475U - Three dimensional prototyping apparatus - Google Patents

Description

M391475 V. New type description: [Technical field of new type] This case is about a three-dimensional forming mechanism. [Prior Art]

Rapid Prototyping (RP technology) is developed based on the concept of stacking layers of pyramids. The main technical feature is the rapidity of molding. It can be used without any tools, molds and fixtures. Automatically and quickly convert any complex shape design into a 3D solid model, which greatly shortens the development cycle of new products and reduces R&D costs, ensuring the time to market for new products and the success rate of new product development. It provides a more complete and convenient product design communication guard between technicians, technicians, second-business decision makers, product users and other non-technical personnel, thus improving the competitiveness of the product field. And the ability of companies to respond quickly to the market. Dn At present, Rp technology has developed a 3D solid model using the printing technology combined with the precise positioning technology of the carrier. The production of the square-layer powder is laid on the top (four) (four) printing technology on the powder of the Ministry of Printing 5 minus the glue ' (10) The _ powder is viscous and the 3D solid model can be completed by repeating the above process layer stacking. The printing equipment used by Yizhao can not be sealed when it is not printed. _ will be in the spray (four) - the maintenance station of the 3D product will cause the rear shot (four) to test the child, can not continue (four) printing & π. Called 冋口口贝 2 M391475 铷 Du Dhan RP technology is known as rapid prototyping technology, but regardless of the shape of the r !! How to improve the equipment of the rapid prototyping device still needs two: In the middle and two decades, it can be molded, and in the layer (10) piled up in layers, the steamed bread itself is lightly inclined, and it will be _ and (4) (4). & money see. Ha φ = i ancient when using the method of printing high-viscosity bonding agent, the gang

Taina-: up to 8 saki), 'In this ultra-high-speed spray, when the droplets stick to the powder B, the nano-side is not sticky by the droplets: flying' and when the powder is supplied or picked up, When the push powder pile is dropped: the phenomenon of 2 yang 'and the conventional equipment does not have a quantitative powder feeder & ', and the excess powder is pushed into the recovery cylinder, which will cause pollution and energy waste when the powder falls. In addition, each time after the completion of the powdering, it is necessary to wait for the molding drying time, and it has to wait for several hours to dry after molding, that is, if the forming strength is insufficient or the inadvertent incision may damage the finished product, the molding product strength _ is required. Take out, and can't really achieve the purpose of rapid prototyping. Therefore, how to develop a three-dimensional forming mechanism that can improve the above-mentioned conventional technology is an urgent problem to be solved. [New content] The main purpose of the present invention is to provide a three-dimensional forming mechanism with a quantitative powder supply tank system, which can adjust a plurality of grooves of the segmentation quantitative roller to rotate and drop the powder opening according to the requirements of different powder thicknesses. The corresponding number of times, in order to control the output of the constructed powder, and reduce the excess of the constructed powder to be pushed into the powder collecting tank, thereby avoiding the waste of constructing the powder and reducing the production cost. In addition, the per-groove of the segmented quantitative roller has a plurality of pet segments and the volume of the powder of the plurality of segments is increased from the center of the groove to both sides, so that the powder is evenly improved to improve the powder at both ends. Missing. Moreover, the three-dimensional forming mechanism of the present case further comprises a heating device, which is heated in the printing die and assembled while printing to accelerate the curing speed of the adhesive and the constructed powder, and can be reduced by one-third to two minutes. Heart time. Moreover, the three-dimensional forming mechanism of the present invention further comprises a continuous liquid supply device, and the system continuously supplies the glue to the printing cartridge, so that the printing module can continue to print on the construction powder. The three-dimensional forming mechanism of Qiaolian not tea has the dust-proof device for the transmission parts, which can prevent dust pollution caused by the powder-laying and printing operations, so that the devices and components of the molding mechanism can be turned to the normality of the normal equipment at any time. Absolutely dustproof. Shipped to the whole - package: 1 „The forming mechanism is equipped with a print head maintenance device, and the squeegee of the cleaning unit thoroughly cleans the print head. The 1 yin seal is sealed in the storage unit and the mouth is fully anti-fouling and anti-dry. Effect. ^ η9 can be used for the end of the nozzle, 1 俜 成型 成型 更 更 更 更 更 系 系 系 系 系 系 系 系 系 系 系 系 系 系 系 系 系 系 系 = = = = = = = = = = = = = = Normal, and the second is the phenomenon of t: t to clean the print head in a timely manner, to maintain the print quality. One of the basics of the present invention is a generalized implementation of the seed-forming mechanism 'includes - segmentation quantitative supply Powder tank system, structure: M391475 system, a printing powder system, a quick-drying heating system, a printing maintenance device, a dust-proof device, a continuous liquid supply device, an automatic powder filtration recovery device and a printing quality inspection device. [Embodiment] Some exemplary embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can be variously changed in various aspects without departing from the scope of the present invention. of The drawings and the drawings are shown to be illustrative in nature and are not intended to limit the present invention. Please refer to the first and second figures, which are schematic views of the appearance and internal structure of the three-dimensional forming mechanism of the preferred embodiment of the present invention. As shown in the first figure and the second figure, the three-dimensional forming mechanism of the present invention mainly comprises a segmented quantitative powder supply tank system 1, a construction tank system 2, a row of printing powder system 3, and a quick drying heating system 4 (shown in Figure 5C), a print maintenance device 5 (shown in Figure 7A), a dust control device 6 (shown in Figure 6), a continuous liquid supply device φ, and an automatic powder filtration recovery device. 8 and a print quality inspection device 9. The segmented quantitative powder supply system 1 and the construction tank system 2 of the present invention are directed to the prior rapid prototyping machine without a segmented quantitative powder supply device, resulting in uneven density and excess powder pushed to three sides. Automatic recovery of the inside of the cylinder, resulting in the powder can not take into account the overall phenomenon, so the addition of a segmented quantitative roller and three-sided automatic recovery cylinder on the powder supply system, can improve this phenomenon, this is the case of quantitative powder supply tank System 1 and construction The main research and development of the tank system 2. The following describes the relevant components: Please refer to the third figure A and B, where the third figure A is the best in this case. 5 M391475

A schematic diagram of the structure of the segmented quantitative powder feeding tank system of the embodiment, and the third drawing B is a Y-Y sectional view of the third drawing A. As shown in the third Figures A and B, the segmented dosing tank system 1 includes at least one powder supply tank 11, a split metering roller 12, and a closure device 13. The powder supply tank 11 is a hollow tank structure, which can be used for storing the construction powder a, and the powder supply tank 11 is provided with a baffle 111, a first roller 112 and a second roller 113, and the The bottom of the powder tank 11 is provided with a falling powder opening 114 and a falling powder passage 115, wherein one side of the baffle 111 is separated from the falling powder opening 114 by a passage powder space b, and is stacked on the * baffle 111 relative to the falling The construction powder a outside the powder space b can be agitated by the first roller 112 to be lifted, and then the rotation of the second roller 113 causes the construction powder a to fall into the powder falling space b of the shutter 111. r Please refer to the third figure C and cooperate with the third figure D. The third figure C and D are the part f of the powder supply tank and the sectional quantitative roller structure shown in the third figure B, as shown in the figure. The sectional quantitative roller 12 is disposed inside the powder falling space b of the powder feeding tank 11 and adjacent to the falling powder opening 114, which is used as the sectional quantitative φ to provide the construction powder required for laying the entire surface of a constituting pattern once. And having a plurality of grooves 121, each groove 121 is mainly for accommodating the construction powder a. When the plurality of grooves 121 of the segmentation quantitative roller 12 do not correspond to the powder falling opening 114, the powder a cannot be constructed. The output (as shown in FIG. 3C), on the other hand, when one of the plurality of grooves 121 corresponds to the falling powder opening 114, the structured powder a accommodated in the powder supply tank 11 will pass through the falling powder opening 114. Output (as shown in Figure D). In addition, the sectional quantitative powder supply tank system 1 of the present invention can adjust a plurality of 6 M391475 grooves 121 of the segmentation quantitative roller 12 to a number corresponding to the powder falling opening 114 by a motor 14 according to the demand of different powder thicknesses. In order to control the output of the powder a, the waste of constructing the powder a can be avoided, for example: if the upper and lower limits of the thickness of the powder for the construction zone are 〇.12 mm and 0.08 mm, respectively, and the sectional quantitative roller 12 A groove 121 can accommodate at least a build powder a of about 0.04 mm thickness, so that when a build powder a of 0.08 mm thickness is to be laid, the motor must be rotated twice to drive the two grooves 121 of the segmented quantitative roller 12. Corresponding to the falling powder opening 114, the construction powder a accommodated in the groove 121 is output through the falling powder opening 114; and when the structured powder a of 0.12 mm thickness is to be laid, the motor has to be rotated 3 times to drive the minute The build powder a in the three grooves 121 of the segment quantitative roller 12 is output through the powder falling opening 114, so that the excess build powder a can be reduced from being pushed into the sump.

Please refer to the third figure E and F, which are respectively a schematic view and a front view of the sectional quantitative roller shown in the third drawing B of the present case. As shown in the third FIGS. E and F, each of the grooves 121 included in the segmented quantitative roller 12 of the present invention has a plurality of segments X, y, and z, respectively. In this embodiment, each groove 121 The X zone segment, the two y segment segments, and the two z segment segments are included, but not limited thereto, wherein the X zone segment is disposed in the positive central region of the groove 121, and the X segment The left and right sides of the segment are respectively provided with y-zone segments, and the z-zone segments are disposed on the other side of the y-region segment, wherein the X-zone segment has the shallowest groove depth and the least powder content, and the y-region The segmentation depth is deeper than that of the X zone segment, and the powder capacity is slightly larger than the X zone segment, and the groove depth of the z zone segment is the deepest compared to the X zone segment and the y zone segment. Therefore, it has the largest powder capacity, that is, the volume of powder in one X zone segment and the plurality of y and z zone segments are respectively increased from the center of the groove 121 toward both sides, and the powder capacity thereof is X 7 M391475 zone segment <y zone segment <z zone segment, with each groove 121 having a plurality of x zone segments and a plurality of y and z zone segments, and an X zone Segmentation and multiple y and z zone segments The technical characteristics of the powder amount increasing from the center to the sides of the groove 121 respectively enable the construction powder a to be uniformly laid on the constitutive zone, thereby improving the construction amount of the conventional technology and the central number of the powder. There is a growing gap between the two sides. Please refer to the third figure G, which is a schematic structural view of the closing device φ and the powder falling channel in the third drawing B. As shown in the third figure G, the closing device 13 included in the section of the powder feeding tank system 1 of the present invention has a plate member 131, an elastic member 132 and a holding member 133, wherein the plate member 31 is movable. The plate member 131 has an opening 1311 and a fixing member 1312. One end of the elastic member 132 is connected to the fixing member 1312, and the other end is connected to the holding member 133 disposed at the bottom of the powder feeding slot 11 for providing When the powder tank u is supplied with powder, the plate member 131 of the closing device 13 is displaced by the action thrust and displaced in the f direction, so that the opening 1311 of the plate member 131 communicates with the falling powder opening, and the valley is placed in the section quantitative The construction powder a in one of the grooves i2i of the roller 12 is output via the powder opening opening 114, the opening 1311, and the powder falling passage I" (as shown in the third diagram G). On the other hand, after the powder supply tank 11 is finished, the plate member 131 of the closing device will not be subjected to a pressing force. At this time, the plate member 131 is displaced by the elastic restoring force of the elastic member 132, that is, toward the f. The direction of the phase, the direction is moved so that the opening σ 13u of the plate member 131 and the falling powder opening ι 4 are not shown) to prevent falling powder. Therefore, when the three-dimensional forming mechanism is operated, the 'M-joining device 13 can surely prevent the inside of the micro-wire powder 8 M391475 powder tank 11 (four), and the pollution 1 can be avoided as an environment. Selection = and = 33 amount = „ U for several brocade thickness section quantitative roller 12 can be effectively solved ^^:: printing: points:: solution is more supply: end: = love:: disadvantage The consumption of powder is large, so this case can be effectively improved.

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In this case, the construction of the trough system 2 at this end of the control of the thickness of the shop (four), so that the fine motor can accurately control the powder thickness of 0.08mm ~ 〇.12mm, to achieve the perfect size of the rapid prototyping machine, in addition, the main weight By the way, there is a design of the powder-dropping mechanism. When the object is taken out, the powder can be automatically recovered from the surrounding area, which improves the shortcomings of the single-side powder recovery. Please refer to the fourth figure A for a schematic diagram of the structure of the construction of the slot system. As shown in the second figure and the fourth figure A, the construction trough system 2 includes a base platform 21 (as shown in the second figure), a powder stage 22, a construction type area 23, a peripheral powder area 24, and a lifting device 25. And the remaining powder automatic powder collecting area 26 ^ wherein the building type forming area 23 is jointly defined by the construction platform 231 and the construction tank body 232, and the construction platform 231 is used for carrying the construction of the powder and the layered and stacked three-dimensional objects. And fixed on the lifting device 25, can be lifted and lowered in the interior of the construction tank 232 by the lifting device 25, so when printing a layer or after producing a certain thickness, the lifting device 25 will The construction platform 231 is driven to descend inside the construction tank 232, and after the entire three-dimensional object is formed, the lifting device 25 will drive the construction platform 231 up to remove excess powder and take the pickup. In addition, the built-in 9-shaped area 23 is formed on the perimeter of the inspection window 233 ^ ^ 体 232, respectively, and glass or acrylic & 35233 is made of - transparent material f, such as (9) for viewing lifting equipment 25 Whether there is accumulated waste powder Zhou Ming structure platform 231 in the long-term use and the construction of the tank body 232. Lowering the micro-gap to cause a slight leakage of powder), and then affecting the rise, the main reason. The accuracy or damage of the component is convenient for the maintenance user. The "four-sided landing surface 24 is disposed on the powder stage 22 and the surrounding area of the building structure". The peripheral wall 211 of the base platform 21 and the powder stage 22 constitute a inner area. The space between the 23s is defined to collect the residual powder and the <circumference & area 24 may further comprise a plurality of bevel structures 241, which help to guide the residual powder and the inclined surface to the remaining powder automatic zone 26 It can also avoid the situation that the powder falls directly to cause the dust to fly. Therefore, although the segmented quantitative powder supply tank system 1 falls into the printing and spreading system 3 and is taken over the powder stage 22, the printing and spreading system 3 can be The construction powder is pushed to the construction zone 23 and laid flat on the surface of the construction zone 23, and the subsequent printing operation is carried out. In the process of the powder coating, the construction powder of the powder or the sneezing process is used. It can fall into the surrounding powder falling area 24'. As shown in the fourth figure C, the excess or raised construction powder can fall into the inclined structure 241 of the surrounding falling area 24, and the residual powder is automatically guided along the inclined surface. 26 sets of powder collection area for automatic recycling and reuse. B shows a partial structural diagram of the automatic powder collecting area of the residual powder system. The residual powder automatic collecting area 26 is provided at the top inlet and is provided with a filter 261 and a vibration element 262, and the mesh of the filter 261 can be The powder particles are constructed to adjust the appropriate sieve diameter of M391475, and the filter 261 can be filtered by the vibration of the vibration component 262 to be recycled and reused; and as shown in the fourth figure C and the ninth diagram The base platform 21 of the trough system 2 further includes a plurality of exhaust regions 212 and a plurality of pipelines 213 ′, wherein the exhaust region 212 is connected to the automatic powder recovery skirt 8 via a line 213, and thus falls into the peripheral pollination zone 24 The construction powder raised on the inclined surface structure 241 can also be sucked by the automatic air powder recovery device 8 through the communication line 213, and filtered and recycled by the automatic powder recovery device 8. Please refer to the second Figure 5 and Figure 5A, B&C, wherein the fifth figure A is a three-dimensional structure diagram of the printing and dusting system, and the fifth figure is a three-dimensional structure diagram of the printing module of the printing and dusting system, Figure 5 is the fifth * Sectional view of B. As shown in the second and fifth figures a, B and C: Print shop: The powder system 3 series structure can be moved left and right on the construction trough system 2 and can be close to the segmented quantitative powder supply The side of the tank system i. When the powder supply is performed, the printing and dusting system 3 moves to the lower part of the sectional quantitative powder supply tank system i, so that the construction powder in the sectioning amount of the powder supply tank system 1 falls into The printing system 3 is printed for subsequent powder printing operations. The printing and spreading system 3 includes a transmission member 3, a displacement base 32, a printing set 33, and a spreading device 34. The transmission member 31 includes components such as a driving motor, a ball lead screw, and a linear sliding rail. The shifting base 32 is disposed on the construction slot system 2 and is driven by the transmission member 31 to perform a lateral long displacement. The shifting base 32 is moved on the shifting base 32, and is driven by the transmission member 31 to be reciprocally moved back and forth, and is vertically displaced with the shifting base 32. M391475 has at least one printing line 331 for printing out glue and colored pigment liquid; and the shop The powder device 34 mainly includes a dusting roller 34, a cleaning blade 342, a first plate member 343, a second plate member 344, and a motor 345. The powder spreading roller 341 is driven to rotate by the motor 345. The cleaning blade 342 is rotated. The first plate member 343 and the second plate member 344 respectively have a first opening 3431 and a second opening 3441, and the first plate member 343 has a plate surface. The upper portion of the first plate member 343 and the second opening 3441 of the second plate member 344 are controlled to be engaged by the elastic member 3343. When the powder supply, that is, the printing and spreading system 3 is away from the segmented quantitative powder supply tank system 1, the first opening 3431 of the first plate member 343 and the second opening of the second plate member 344 are not connected to each other. Constructing a powder flying and polluting the working environment, and; when the printing and distributing system 3 moves to the sectional quantitative powder feeding tank system 1 for powder feeding operation, the segmented quantitative powder feeding tank system 1 is pushed against the first plate. The blocking portion 3432' on the member 343 makes the first opening 3431 and the second plate member 344 of the first plate member 343 The second opening 3441 is in communication to allow the construction powder to fall into the printing and spreading system 3, and after the powder supply is completed, the printing and spreading system 3 is separated from the segmentation quantity powder supply system 1, the first plate 343 The displacement can be generated by the elastic restoring force of the elastic member 3433 to return to a state in which the first opening 3431 of the first plate member and the second opening 3441 of the second plate member 344 are not in communication with each other. Reverse when the segmentation quantitative powder supply system! When a certain amount of construction powder is rotated, the construction powder will fall into the printing and spreading system 3, and it will be taken on the powder stage 22 of the construction trough system 2, and then the paving roller 341 will be constructed to construct the trough system 2 12 M391475 2 The powder is laid in the direction of the forming zone 23 to tiling the structured powder on the surface of the constituting zone 23, and at the same time, the cleaning blade 342 can be used to fully utilize the building powder in the powder removing roller 341 to prevent the construction powder from sticking to the paving. In the long-term printing environment, in order to achieve faster drying', it is limited to the molding drying time, and each powder is required to wait for 3 minutes for 2 minutes, which makes the total molding time quite lengthy. Therefore, the speed of the shirt is dry: the first case The three-dimensional forming mechanism further comprises a quick-drying heating system 2, a wide-twisting wire 2, and an unsatisfactory dry heating system 4 is disposed on the side of the printing and spreading system 3 - the side 1 and the shifting base 32 - the printing module is used for printing At the same time heating, it can be reduced by two: two: i total molding time, fast-drying heating system including temperature sensor 4 = 42, the temperature sensor 41 has temperature sensing elements and heat source generating components ==: sensor The Korean heat source generated by the heat source generating component of 41 can be transmitted to: On the blade 342, the cleaning blade 342 not only has the function of scraping the powder, but also can greatly shorten the previous stage of the printing drying time and the energy required for warming up by the temperature sensor 41 for precise control. Add (four) degrees, achieve the effect of relying on the dry and miscellaneous, so ^ ^ system 4 can make the finished product whether it is strength or precision,,,,,,,,,,,,,,,,,, The problem is that the finished product is stronger and can maintain the environment-heating moisture-contaminated powder in the printing environment, so that the problem that the powder cannot be combined is generated, and the humidity is not allowed to be set on the side of the powder-packing 134$' to prevent the operation. The protective gap knows that the rapid prototyping technology is in the process of taking the finished product. 'Powder flying: 'The member is hot: 13 M391475 The working environment is polluted, and the high frequency cleaning is required to maintain normal operation. This case will improve this deficiency' will be placed on the construction platform. The forming groove in the 231 and the construction tank 232 is designed to be detachable, which can achieve powder non-contamination and convenient removal of the finished product; in addition, the transmission component 31 of the present invention (such as a ball lead screw, linear sliding) ...and so on), in order to prevent the construction powder raised by the dusting or printing process from being attached to the transmission member 31, the service life and the printing accuracy are affected. Device

6' As shown in the sixth figure, the dustproof device 6 includes a dustproof member 6ι and a telescopic dustproof sheath 62' as a barrier against dust to prevent the transmission member from being dusted. The effect is equal, and the telescopic dustproof 6 2 can be stretched and contracted according to the printing and pure powder movement, so as to achieve a dustproof effect. Furthermore, the inkjet printing technology used by Q, in consideration of the printing of high-viscosity adhesive liquid printing, should be properly sealed, otherwise the residue will be dried in the print head maintenance station, which may cause subsequent inkjet function. Poor sex,: the continuous printing of high-quality 3D products; in addition, the traditional inkjet printing technology = ^ attached to the volatile cleaning agent rinsed with granule powder 歹 JP head ^ b will be treated in the cleaning process Water, squeeze the nozzle and flow C and thoroughly clean the maintenance device with the cleaning agent and then clean the film to the film, to the ink remaining on the surface of the printing head and & H, good to prevent printing The design of the print maintenance device for the sealed storage of the head. Referring to FIG. 7A, the print maintenance unit 5 includes a cleaning unit 51 and a three-dimensional molding mechanism, and in the embodiment, the cleaning unit 52 is disposed in the construction tank system 2. The pedestal leveling unit 51 can clean the unit 52 mesh and the special treasury powder after the printing operation is completed in the column (4), and the sealing is used to seal the printing head to prevent the printing head from being contaminated or dried. - See Figure 7 for a picture of the seventh figure. As shown in the figure, the profile of the clean two-two her clean unit is π, and the early morning 兀51 has a body 5U, at least one set of scraping

/ water spray element 513 and waste liquid recovery area 514. Wherein, the scraper 512 is extended from the surface of the main body of the seat I#, and is correspondingly printed and sighed to the right. The printing module 33 has two columns of 33p as an example, the cleaning sheet There may be two sets of squeegees 512, which are respectively arranged corresponding to two rows of stencils, and two sets have (four) squeegees 512 but not limited to two squeegees 5 (2), two pieces of 2 5121 are arranged parallel to each other, and the squeegees 5 ΐ 2 ι It can be made of a rubber material Μ ' and the plurality of water spray elements 513 are disposed one set to two plates 512

The side and the other side are disposed on the bottom of the two groups to the bottom of the plate 512 to spray the cleaning agent to clean the sheet 5121, and the waste liquid recovery area 514 is disposed on the base 511, which can be sprayed with the residual residual chelating agent and Dust from the powdered powder. When the print head completes the print job, the print £ moves to the top of the cleaning unit 51, and when the print head passes to the position of the sheet 5121 and comes into contact with the sheet 5121, it reaches >1 5121. The residual glue and the viscous powder on the surface are simultaneously cleaned by the water spray element 513 to the residual glue and the powder-coated cleaning agent to the sheet 5121 to maintain the print head cleaning and printing quality. 15 II refers to the seventh figure D', which is the structure of the storage unit of the present case. 2 = The storage unit 52 mainly includes a base 521 and a sliding block 522 'part 523 ', wherein the sliding seat is arranged on the base 521 The f-vehicle 523 β is placed on the carriage 522, and partially protrudes from the carriage 522. ρ 523 is used to cover the sealed column of the printed column S S 歹 Ρ Ρ 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与 与Contamination, sealing part = shape and position are all corresponding to the print head of the print g, so the seal is sealed: the number: also 7 corresponds to the number of prints s vary 'not limited to the two seals shown in this embodiment component. The β-seat 522 has a blocking member 524 and at least a top lock 525, and the white member 524 is extended upward from the surface of the α-seat 522, and the top pin 525 is protruded from the side of the month 522, and is disposed on the base. The path of the side of the seat 521 is guided by 6. After the printing die 33 completes the printing operation, the carrier print g = the carrier frame will be reset to the upper of the storage unit 52, and during the reset process, the carrier frame carrying the printing cartridge will firstly interfere with the slider 522. The striker 524, and then continues to push forward against the stop, causing the top pin 525 on the side of the slide 522 to move along the path guide 526, so that the height at which the seal member is cut can rise as the slide 522 moves. When the sealing member is covered on the spray (4) of the printing S, the printing head can be sealed in the (four) sealing member (2) to avoid the spray_staining (4) drying, and the service life of the printing head can be further improved. Moreover, in the conventional printing technique, the siphon principle is used to achieve the liquid supply. The siphon is a hydrodynamic phenomenon, and the liquid can be sucked without the aid of a pump. The liquid of the M391475 at a higher position is filled with an inverted u-shaped tube. After the structure (called the pipette), the opening is at a lower position. Under this structure, the difference in liquid pressure between the ends of the pipe can push the liquid to pass the highest point, and the main discharge to the other end is caused by the gravitational force. If the rapid prototyping machine does not use the continuous ink supply system, the glue supply will be insufficient, the printing will not be possible, or the printing back pressure will change depending on the ink level of the ink remaining in the use state, which will affect the quality of the printing. , resulting in print quality variation and irreparable • Time and material waste, so the case is to use a continuous supply and maintain a fixed back pressure liquid supply device, to supply a large amount of glue required for molding, to achieve the effect of molding. 70 堉冉Refer to the second figure and the ......--^ The three-dimensional forming mechanism further comprises a continuous liquid supply device 7, which comprises a plurality of liquid supply containers 71 and a plurality of

The true filling container 72, the filling container of the liquid supply container 71 can be pulled out, and the liquid supply container 71 is disposed adjacent to the printing module % standby position, and the required mixture of the material is stored in the column. (4) Using the liquid supply container ^ the innermost position of the ventilating tube and the nozzle at the bottom position of the section 331, and the difference between the nozzles and the bottom line, the liquid supply container 71 and the column paste I are connected. The stern guide column (4) stored inside the liquid supply container 71 can be continuously printed on the construction powder for a long time by the continuous supply of the splicing agent. In the embodiment - The liquid supply container 71 is a detachable liquid supply container. Since during the construction process, the excess construction powder is collected from the surrounding powder falling area 24 of the construction tank system 2 to the residual powder automatic powder collecting area % +, iron is laid in the powder Or when printing, the amount of f is lighter or her smaller dust may be 17 M391475 will fly in the internal working space' and when the construction powder is broken from the surrounding area, it may also hit part of the structure and cause rebound. Dust powder, ^ constructed powder falling into the automatic powder collecting area 26 of the remaining powder may also be due to The rebound of the dust powder raises the pollution of the internal working space, and the three-dimensional forming mechanism of the present case further utilizes the automatic powder recovery device to improve the recovery efficiency of the dust powder, so that the three-dimensional forming mechanism can be normal in a non-polluting environment space. Operation. The following is a description of the relevant components: Refer to the ninth figure, which shows the connection relationship between the automatic powder recovery device and the three-dimensional molding mechanism. As shown in the figure, the automatic powder recovery device 8 is constructed by the pipeline 213 and The exhausting zone 212 of the trough system 2 is connected to each other, and is mainly used for sucking and filtering the dust powder which is flying when the three-dimensional forming mechanism is operated. Finally, please refer to the tenth figure, which is a schematic diagram of the cross-sectional structure of the automatic powder recycling device. The automatic powder recovery device 8 mainly includes a casing 81, a powder passing unit 82, a recovery member 83, and a suction device 84. The inside of the housing 81 has a partition plate 811. The partition plate 811 has upper and lower connections. Opening 812, and the lower portion of the partition plate 811 is connected to the exhaust region 212 of the construction trough system 2 by a line 213, and the The final filter unit 82 includes a detachable chassis 821 and at least one dust collecting bag 822. The chassis 821 is disposed above the partitioning plate 811 and can be fixed by a quick clip 813. The bottom of the chassis 821 corresponds to the bottom. An opening 8211 is also provided in the opening 812 of the partition plate 811, and a convex ring 8212' is disposed on the circumference of the opening 8211. The dust bag 822 can be, but not limited to, a non-woven material. In the present embodiment, A barrel-shaped structure can be placed over the collar 8212 and the M391475 is positioned with a sealing member (not shown, such as a force band) to cover the opening 8211 of the chassis 821.

The recovery member 83 of the present invention is a trough structure and is disposed in a space below the partition plate 811. The air suction device 84 can be a blower, disposed above the casing ^ and having a suction port 841 and a row. The tuyere 842 and the suction vent 841 are in communication with the inside of the casing 81, and the suction and exhaust are respectively performed by the suction π 841 and the exhaust π 842 by the operation of the suction device 84, so that the inside of the casing 81 can be formed. Negative pressure state. In this way, when the suction 84 is in operation, 'the dust powder raised during the operation of the three-dimensional forming mechanism is sucked into the inside of the casing '', and the dust that is sucked by the powder miscellaneous unit 82 is blocked and sucked by the occupant 84 napkins, which can be maintained. After the suction is used, the service life of the suction device 84 is stopped. 4 of the detecting element = the molding mechanism has the printing part 9, because the frosted glass has the surface of the thick wheel, when the water is applied to the surface 4, the water will fill the concave portion, forming a layer ^:: : When the light passes through the frosted glass, it will produce a regular 4 ' 9 to observe whether the graphic spray point printed on the print head is τ: whether the head f is blocked or not. If the judgment result is yes, the printing module can be printed. ?:::clean', if the judgment result is no, the subsequent printing operation is carried out on the construction zone. 19 M391475 In summary, the three-dimensional forming mechanism of the present invention has a quantitative powder supply tank system, which can be based on different auxiliary powders. The thickness of the demand to adjust the points ^ and ϊ = corresponding: the number of 'to control =_ fee can reduce the production cost. Another: = Each groove of the roller has a plurality of zone weights, so that the powder is evenly distributed and the == module is printed while the heat is set. It is used to print the speed of bonding and solidification, and can reduce the time of glue, glue and construction powder. And the three-dimensional forming mechanism of this case; the total molding of the package can continuously supply the glue to the printing S, continuous liquid supply The device 'continues to carry out the printing operation on the construction powder. The printing module can be connected for a long time, and the three-dimensional arrangement of the case can prevent the dust-proof molding of the shaft component from being lifted by the powder-laying and printing operations. The equipment and components of the mechanism can be polluted by dust particles, which makes the comprehensive protection of the three-dimensional equipment absolutely preventable. Maintain normal operation and achieve the whole package, which can be printed by the cleaning unit. The head is sealed in the sealing part of the sealing unit = the line is thoroughly cleaned, and the mouth is fully anti-fouling and anti-drying effect. _ 'Therefore, the other part of the printing head can be reached. The three-dimensional structure of the case has the printing quality inspection. 20 M391475 Glass, which uses frosted glass As a printing quality detecting component, it is possible to immediately observe whether the graphic spray point printed on the printing head is normal, and judge whether the printing head is blocked or not, so as to timely clean the printing head and maintain the printing quality. Therefore, the three-dimensional forming mechanism of this case is of great industrial value, and the application is filed according to law. This case has been modified by people who are familiar with this technology, but it is not intended to be protected by the scope of the patent application. * [fifi description of the order] The first figure is a schematic view of the appearance of the three-dimensional forming mechanism of the preferred embodiment of the present invention. The second drawing is the internal structure of the three-dimensional forming mechanism of the preferred embodiment of the present invention. : It is a schematic diagram of the structure of the quantitative powder feeding tank system. The third drawing B is a YY sectional view of the third drawing A. The third figure C is a schematic diagram of the structure of the powder supply tank and the sectional quantitative roller of the third drawing B. The third figure D is a schematic diagram of the structure of the powder supply for the third figure B. Fig. E is a schematic structural view of the segmented quantitative roller shown in Fig. B. Third Figure F: is a front view of the segmented quantitative roller shown in Figure B. The third figure G is a structure in which the closing device and the powder falling passage are provided in the third drawing B. Fig. H is a structural schematic view showing that the opening of the closing device shown in Fig. G is not in communication with the falling powder opening. 21 M391475 Figure 4A: Schematic diagram of the construction of the trough system. The fourth figure B is a schematic diagram of the partial structure of the automatic powder collecting area of the residual powder system. Figure 4C is a schematic diagram of the residual powder recovery for the construction of the tank system. Figure 5 is a schematic view of the three-dimensional structure of the printing and paving system. Figure 5 is a schematic diagram of the structure of the printing module of the printing and spreading system. Figure 5 is a cross-sectional view of the fifth Figure B. Figure 6: Schematic diagram of the dustproof device. ® Figure 7A: A schematic diagram of the print maintenance unit. Figure 7B is a schematic view of the structure of the cleaning unit. Figure 7C is a schematic cross-sectional view of Figure 7B. Figure 7 is a schematic diagram of the structure of the storage unit. Figure 8 is a schematic diagram of liquid supply for a continuous liquid supply device. </ RTI> Figure 9 is a schematic diagram showing the connection relationship between the automatic powder recovery device and the three-dimensional molding mechanism. φ Figure 10: Schematic diagram of the cross-sectional structure of the automatic powder recovery device. [Main component symbol description] 1 : Segmented quantitative powder supply tank system 11 : Powder supply tank 111 : Baffle 112 : First roller 113 : Second roller 114 : Dropping powder opening 115 : Falling powder passage 12 : Segmented quantitative rolling Sub121: Groove 13: Closing device 131: Plate 1311: Opening 22 M391475 1312: Fixing member 133: Buckle 21: Base platform 212: Exhaust zone 22: Powder carrier 231: Construction platform 233: View window 25 : Lifting device ® 261 : Filter 3 : Printing and spreading system 32 : Shifting base 331 : Printing 匣 341 : Rolling roller 343 : First plate 3432 : Stop φ 344 : Second plate 4 : Heating device 42: protective partition 51: cleaning unit 512: squeegee 513: water spray element 52: storage unit 522: slide 524: stopper 132: elastic element 2: construction groove system 211: peripheral wall 213: line 23: construction Forming zone 232: Constructing trough body 24: Surrounding powder falling area 26: Residual powder automatic powder collecting area 262: Vibrating element 31: Transmission part 33: Printing module 34: Dusting device 342: Cleaning blade 3431: First opening 3433: elastic member 3441: second opening 41: temperature sensor 5: printing maintenance device 511: seat body 5121: blade 5 14 : Waste liquid recovery area 521 : Base 523 : Sealing member 525 : Top pin 23 M391475 526 : Path guide 6 : Dust prevention device 61 : Protective plate member 62 : Telescopic dustproof sheath 7 : Continuous liquid supply device 71 : Liquid supply container 711: vent pipe 72: filling container 73: connecting pipe 8: automatic powder recovery device 81: housing 811: partition plate 812: opening 813: quick clamp 82: powder filter unit 821: chassis 8211: opening 8212: convex ring 822: dust bag 83: recovery member 84: suction device 841: suction port 842: air outlet 9: printing detection element

twenty four

Claims (1)

Sixth, the scope of application for patents: h - a three-dimensional forming mechanism, comprising: - a split powder supply tank system, including at least "a powder supply tank, a roller, and a closing device, which is available for selection. 1 Roller provides the required construction of the powder in a piecewise quantitative manner - '' and the closing device controls the powder laying of the quantitatively constructed powder, and prevents the micro-construction powder from leaking from the inside of the powder supply tank; - Construction of the trough system, including - pedestal platform, _ powder carrier, - constitutive zone, 1 week of powder zone, - lifting equipment and - powder automatic powder collecting zone - the construction of the constitutive zone - construction platform and - construction Formed by a trough body, the construction platform is configured to carry a three-dimensional object formed by constructing a powder and a layer stack, and is fixed on the lifting device, and is driven by the lifting device to move up and down inside the construction tank body, and the falling powder area Provided around the powder carrier and the surrounding area of the building for collecting residual powder, the remaining powder automatic powder collecting area accepting the The space at the bottom of the powder-removing area will be constructed and filtered to be recycled and reused. A printing and printing system consists of a transmission component, a displacement base, a printing module and a spreading device. The pedestal is disposed on the grooving system and is laterally displaced by the transmission component. The printing module is mounted on the displacing base and is driven by the transmission component to move back and forth to perform a printing operation. Having at least one print mark, the printable liquid is formed on the construction powder of the construction platform of the construction tank system, and the powder spreading device is disposed on one side of the printing module to receive the segment quantitative powder supply tank The powder for the quantitatively falling of the powder supply tank of the system is defined in the powder tank of the construction tank system, and a powder rolling roller is disposed for laying the powder carrier on the construction. The platform is used for printing, · - quick-drying heating system, with a temperature sensor for heating at the same time as the printing module, to reduce the construction of the "end-^ printing material" including - Cleaning unit and storage cleaning sheet 7 L. The print head of the printing module is printed on the print head. ^ The sticky powder is removed smoothly, and (4) the material unit is stored with a print head to avoid contamination or drying; the dust-proof device of the column is included, including a dust-proof device and a telescopic dustproof cover to block dust and the printing shop. The transmission component of the powder system is in contact; The connection, the 'liquid supply I set' comprises a plurality of liquid supply containers, a plurality of combiners and a plurality of connecting pipes, the filling container provides a supplementary printing liquid final liquid supply container, and the supply liquid container is connected by the connecting pipe Two with the printing module The printing is connected to the suction and the suction guide to form a continuous liquid supply printing operation; and an automatic powder recovery device is used for the suction and filtration operation to build up the powder for recycling. 2. The three-dimensional forming mechanism according to claim 1, wherein the segmentation 3: the segmented quantitative roller of the powder supply tank system is provided with a plurality of grooves, each of the grooves having a plurality of segments And the powder capacity of the plurality of segments is increased from the center of the groove toward both sides. 3. The three-dimensional forming mechanism according to claim 1, wherein the powder supply tank of the sectional quantitative powder feeding tank system is provided with a baffle, a first roller 26 M391475 and a second roller, and a bottom portion. a powder opening and a powder dropping passage are provided, and a side space of the baffle and the falling powder opening area are separated by a passage of powder space, so that the powder built in the powder feeding tank can be stirred by the first roller and the second roller The falling and falling to the falling powder space can be smoothly outputted from the falling powder passage. 4. The three-dimensional forming mechanism of claim 3, wherein the closing device of the segmented powder supply tank system has a plate member, an elastic member and a fastening member, the plate member having an opening and a fixing member, the plate member being urged to communicate with the falling powder opening to output the quantitative powder, and the elastic member is connected to the fixing member at one end and the holding member at the other end. When the plate is not subjected to the thrust, the opening is not connected to the falling powder opening, and the micro-construction powder is prevented from leaking from the inside of the powder feeding tank. 5. The three-dimensional forming mechanism of claim 3, wherein the segmented quantitative roller of the sub-section quantitative powder supply tank system has a plurality of grooves for accommodating the construction powder, and When one of the plurality of grooves corresponds to the falling powder opening, the structured powder accommodated in the groove will be output through the falling powder opening. 6. The three-dimensional forming mechanism of claim 1, wherein the segmented quantitative powder feeding system rotates the plurality of grooves of the segmented quantitative roller to a number corresponding to the falling powder opening. Control the output of the constructed powder. 7. The three-dimensional forming mechanism according to claim 1, wherein the surrounding falling area of the constructed trough system has at least one inclined structure for guiding the collected powder residual powder to be collected and collected to the remaining powder automatic set. Powder area. 8. The three-dimensional forming mechanism as claimed in claim 1, wherein the 27 M391475 grooving system is constructed, and the constituting area is transparent on the construction platform and on the circumference of the construction tank/7 A viewing window made of material to see if there is accumulated waste toner on the equipment for maintenance, so that it can be cleaned by the maintenance user. 9• If you apply for a patent scope! The three-dimensional forming mechanism according to the item, wherein the construction tank system is provided with a filter net and a __vibration element in the automatic powder collecting area of the residual powder, and is used for filtering and recycling the powder powder of the built-in powder. 1 . The three-dimensional forming mechanism of claim 9, wherein the mesh of the filter can adjust the appropriate sieve diameter according to the particles of the constructed powder. 11. The three-dimensional forming mechanism of claim 1, wherein the dusting device of the printing and spreading system further comprises a cleaning blade disposed on the side of the spreading roller and held to the powder a gap to scrape off the build powder on the spreading roller. 12. The three-dimensional forming mechanism of claim 1, wherein the powder spreading device of the &quot;printing and spreading system further comprises a first plate and a second plate, the first plate And the second plate has a first opening and a second opening, wherein the first opening communicates with the second opening, so that the construction powder can fall into the powder stage defined by the construction slot system, The three-dimensional forming mechanism according to claim 12, wherein the first plate member is provided with a first block, wherein the powdered roller is used to slap the construction powder on the powder platform to the construction platform for printing. And an elastic member, the blocking portion is buckled by the elastic member, and the displacement of the first opening is not communicated with the second opening during the dusting operation to avoid constructing a powder flying pollution working environment. 14. The three-dimensional forming mechanism of claim 3, wherein the temperature sensor of the 28 M391475 quick-drying heating system has a temperature sensing element and a heat source generating element to generate a radiant heat source for the construction powder. 15. The three-dimensional forming mechanism of claim 1, wherein the quick-drying heating system further comprises a protective partition disposed on both sides of the spreading device. 16. The three-dimensional forming mechanism of claim 1, wherein the cleaning unit of the printing maintenance device has a body, at least one set of scrapers, a plurality of water spray elements, and a waste liquid recovery area, the spray The water component is disposed at one side or the bottom of the scraper, and the cleaning agent is sprayed to clean the scraper. The waste liquid recovery zone is disposed in the base body, and the spray waste liquid can be collected and discharged. 17. The three-dimensional molding mechanism of claim 1, wherein the sealing unit of the printing maintenance device comprises a base, a sliding seat and a sealing member for covering and sealing the printing The print head of the 匣. 18. The three-dimensional forming mechanism of claim 1, wherein the automatic powder recovery device comprises: a casing connected to the construction tank system by a pipeline; and an air suction device disposed on the casing And the body is in communication with the casing to draw the construction powder raised in the construction tank system into the casing; a powder filtering unit comprising a detachable chassis and at least one dust collecting bag a construction powder disposed in the casing for blocking suction; and a recovery member disposed in the casing and below the powder filtration unit for recovering the dust collection bag of the powder filtration unit The construction powder. 29 M391475. The three-dimensional molding mechanism of claim 1, further comprising a print quality detecting component for determining whether the print head of the print cartridge is blocked. 20. The three-dimensional forming mechanism of claim 19, wherein the print quality detecting element is a frosted glass.