TWI360439B - Printhead cleaning device - Google Patents

Description

1360439 VI. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a nozzle cleaning device, and more particularly to a nozzle cleaning device with a liquid discharge system. [Prior Art] Rapid Prototyping (RaPid Prototyping, rp technology for short) is developed based on the concept of stacking layers of pyramids. The main technical feature is the speed of molding, which can be used without any tools. In the case of fixtures, the design of any complex shape can be quickly and quickly converted to a 3D solid model, which greatly shortens the development cycle of new products - and reduces development costs, ensuring time-to-market and new products for new products. The success rate of development, which provides a more complete and convenient product design communication tool between technicians and non-technical personnel such as technicians and enterprise decision makers, product users, etc., thus significantly improving the product in Lu Competitiveness in the market and the ability of companies to respond quickly to the market. At present, RP technology has developed a 3D solid model by using jet printing technology combined with the precise positioning technology of the carrier. The production method is to first lay the layer of powder on top of the carrier and use inkjet printing technology on part of the powder. The high-viscosity adhesive liquid is sprayed to make the glue liquid adhere to the powder and solidify. The 3D solid model can be completed by repeating the above process layer stacking. However, the printing equipment used by the conventional RP technology, when the ink is scraped 1360439 after the printing is completed, 'does not consider whether the residual glue and the mouthpiece are cleaned up' and the sealing is not guaranteed to cause the glue/ The end of the sticky 2 nozzle is damaged, reducing the service life of the nozzle, and causing the broadcast to be smashed into a bad one, and it is impossible to continue printing to produce high-quality 3D products. Another ^ Bu, printing, energy technology When taking the finished product, the powder flying will always cause the work to know that the RP must be cleaned at a high frequency to maintain normal operation. Hey, a long-term sweaty dyed's need to wait for the molding drying time, that is, each time the powder is laid, the powder is allowed to wait for the time to complete, which increases the time of the total molding, and the purpose of the dry-type powder is beneficial. ", really achieve rapid success. Therefore, how to develop a conventional cleaning device that can improve the above-mentioned conventional cleaning device is a problem that is currently urgently needed to solve the problem. [The content of the invention] The main purpose of the present invention is to provide a traditional mouthpiece. The cleaning device can't solve the spray =, the device, the damage is destroyed, and the use of the nozzle is reduced. #Α, 读~洁' causes the nozzle to be good, the beneficial method causes the subsequent material to fail, and the shell prints the quality to the 3D product. And the like. The purpose of the present invention is to provide a nozzle system comprising a nozzle liquid system and at least one to the plate, the liquid discharge system using the liquid discharge tube to spray the liquid to the To the board, the board is correspondingly squirted and in contact with the head, and is driven by a driving device to move on the surface to remove the residue on the mouth, wherein the liquid is discharged by the nozzle The liquid m cleans the residue on the squeegee' to clean the 1360439 and easily scrape the residue on the spray head. [Embodiment]

V. Some exemplary embodiments embodying the features and advantages of the present invention will be described in detail in the description of the latter paragraph. It is to be understood that the present invention is capable of various modifications in the various aspects of the present invention, and the description and illustration are in the nature of Please refer to FIG. A, which is a perspective structural view of a desktop type vertical body molding apparatus according to a preferred embodiment of the present invention. As shown in the first figure A, the base platform 10 of the desktop stereoscopic molding apparatus 1 of the present invention mainly comprises a printing module 11, a powder supply tank 12 and a construction groove 13, wherein the groove body 130 of the groove 13 is constructed (such as The first figure B) extends downward from the base platform 10 and is partially disposed above the base platform 10. The powder supply tank 12 is configured to provide a construction powder into the construction tank 13, and is printed by the printing module 11 to form a three-dimensional article to be formed by stacking the layers in the construction tank 13. The inside of the construction groove 13 has a bottom plate 131 (as shown in the first figure B) for carrying the powder and the layered and formed three-dimensional articles, and is fixed on the lifting platform 61 (as shown in the first figure B). It can be lifted and lowered inside the construction tank 13 by the lifting device 60 (as shown in FIG. 3A). In one embodiment, the construction groove 13 is disposed at a central portion of the desktop stereoscopic molding apparatus 1, the printing module 11 is disposed at a left portion of the construction groove 13, and the powder supply groove 12 is disposed at a right portion of the construction groove 13. In this embodiment, the printing module 11 is printed in the direction from the left side to the right side in the X-axis direction, but the actual operation mode is not limited thereto. See

S 5 1360439 = Fig. A, Fig. B and first ^, wherein the first figure b is a cross-sectional structure diagram of the printing module, the powder supply tank and the construction groove in the first - θ A, and the first figure C is The schematic diagram of the powder feeding tank moving to the top of the construction tank for paving. The operation mode of the desktop type three-dimensional forming device 1 is as follows: first, right. The groove 12 # X-axis direction is moved from right to left to the top of the construction groove: the powder is laid on the bottom plate 131 of the construction groove 13 After the powdering is completed, the powder tank 12 is moved to the right side to be reset, and the powder is flattened and flattened by the left end of the powder supply tank 12 so that the powder is laid flat on the entire surface of the construction tank recovery tank ' Also, excess powder can be pushed into 9' to make it recyclable. There is a sneeze: in the embodiment, the desktop three-dimensional forming device 1 of the present invention further comprises a sleeve U 7 and a powder separating and separating working device, which comprises a telescopic dustproof movement and is connected to the right end of the powder feeding tank 12, When the powder supply tank 12 is left to be left to be laid on the stretched construction groove 13, the telescopic dustproof sheath 15 will be covered with the cover and covered on the entire construction groove 13, and the powder powder is also conveyed to avoid The dust is flying, and the components on the base platform 10 are especially driven. The smashing piece has the effect of dustproofing, which can prevent the flying dust from being attached to the part, which causes the service life and the printing accuracy, etc., and the powder is completed after the powder is finished. It is also stabilized by the cover in the construction of the groove dust fly I. This printing module U can be printed again, which can greatly reduce the lack of Yang. It is different from the conventional device and the dust and fly caused by the printing and printing. First, the table top three-dimensional forming device 1 of the present invention has a first transmission component for driving the powder feeding slot 12 in the X direction.

S 6 1360439 Move. The first transmission member includes a motor 20, a ball lead screw 21, a bushing '22, a linear slider 23, and a kit 24, wherein the sleeve 22 is sleeved on the ball and lead screw 21, and the sleeve 24 is sleeved on the linear slide On the rod 23, the ball lead screw 21 and the linear slide rod 23 are disposed on both sides of the powder supply tank 12 and disposed in parallel with each other. As shown in FIG. A, the powder supply tank 12 is fixed to a carrier plate 25, and the sleeve 22 and the sleeve 24 are respectively fixedly coupled to the carrier plate 25, so that when the motor 20 drives the ball lead screw 21 to rotate, The sleeve 22 reciprocates on the ball lead screw 21, so that the movement of the powder supply slot 12 in the X direction can be driven. The desktop stereoscopic molding apparatus 1 can be made to have a better spatial configuration by the arrangement of the movable powder supply tank. While the powder supply tank 12 is finished supplying powder and moving to the right side to be reset or subsequently, the printing module 11 is moved to the right side above the construction tank 13, and a part of the powder laid in the groove 13 is constructed by the ink jet printing technique. The high viscosity glue liquid is sprayed on the ink to make the glue liquid adhere to the powder and solidify. The printing module 11 can be controlled by the second transmission member 18 to move in the X direction and the Y direction. The transmission mode of the printing module 11 is generally applied to a general printing device, and thus will not be described herein. Subsequently, when the printing operation is completed, the printing module 11 is moved to the left side to be reset, and the bottom plate 131 of the construction groove 13 is also controlled by the lifting device to be lowered by a predetermined height in the Z direction, which can be further performed by the powder supply tank 12. For the powder supply operation, a layer of powder is re-laid on the powder that has been printed and the next printing operation is carried out. Repeating the above process layer stacking can complete the predetermined three-dimensional object, that is, the 3D solid model. Please refer to the first figure D-G, wherein the first figure D is shown in the first figure A.

Schematic diagram of the powder supply tank of S 7 1360439 when the cover body is opened, the first figure E is 苐~ - part of the structure diagram of Fig. D. The first figure F is the selection of the powder feeding state of the powder tank. Figure G is a schematic view of the structure of the powder supply tank in a non-dropping state. As shown in the figure, the inside of the powder supply tank 12 is provided with a stirring rod 121 which is driven by a motor 122 to mix the powder in the powder supply tank 12 to promote uniform distribution of the powder in the powder supply tank 12. . The stir bar 121 is coupled to an eccentric wheel 123 for driving the plate 124 having a plurality of elongated slots 125. Please also refer to the first figure F and the first figure G, which is a sectional structure diagram of the powder tank. As shown in the figure, the bottom of the powder supply tank 12 is provided with a plurality of openings corresponding to the plate member 124. The hole 126, when the eccentric 123 rotates, the plate member 124 will swing to the left and right, when the slot 125 of the plate member 124 is aligned with the opening 126 at the bottom of the powder supply slot 12 (as shown in FIG. F). The powder in the powder supply tank 12 can be dropped into the construction tank 13 through the slot 125 and the opening 126 for powder supply; otherwise, when the slot 125 is misaligned with the opening 126 (as shown in the first figure) g)), the powder will fall into the construction tank 13 without the φ method, thereby controlling the amount of powder supplied and preventing the powder from smashing.

S additionally 'as shown in the first drawing E, the slots 125 provided in the plate member 124 are horizontally and separately disposed from each other' and the openings 126 provided at the bottom of the powder supply tank 12 are also horizontally and The separation is set, so that the powder can be powdered on the construction tank 13 in a segmented manner, so that the spreading density on the construction tank 13 is uniform, and the conventional technology can be provided to provide all the powder amount at the beginning of the powder supply. Due to the weight and pushing, the density of the front and rear sections is unevenly formed and the excess powder is pushed into the recovery tank 8 1360439 14 due to the weight and pushing. In addition, since each time the powdering and the mouth printing are completed, it is necessary to wait for the molding drying time. [The conventional technique is about to wait three minutes for the powder to dry and stick the time, which greatly increases the time of the total molding. Therefore, in order to achieve The table top three-dimensional forming device 1 further comprises a heating assembly P (shown in FIG. ,), which is disposed at the front end of the powder feeding tank 12 and can be powdered after each printing is completed. Heating is carried out to accelerate the drying speed of the powder to shorten the total molding time. In an embodiment, the heating assembly 17 may further comprise a temperature controller 17i that senses moderate temperature control of the heating assembly. #Please refer to the second figure Α' which is a partial structural diagram of the desktop stereoscopic molding apparatus of the present case, where the printing module is removed to display the structure below the printing die. As shown in the figure, the table top three-dimensional forming apparatus 4 of the present invention includes a head cleaning device 3G and a head sealing device 4q. In the example, the head cleaning device 3 and the head sealing device 40 are disposed on one side of the printing f group standby position (for example, the left side), wherein the head cleaning device 3 can be after the nozzle completes the printing operation, Remove the residual (10) mixture of the powder on the nozzle, and the _ God device* can provide a moist environment when the nozzle is used to prevent the nozzle from drying out. Please refer to the second figure B, which is a schematic view of the structure of the nozzle cleaning device of the present invention. As shown, the head cleaning device 30 has a casing 3, a base & driving device 33 and at least one squeegee 34, which is housed in the casing 3ι and is drivable by the driving device 33. Reciprocating in the direction of the χ. The plate 34 extends upward from the surface of the base 32 and corresponds to the print cartridge

9 S 1360439 setting, in which the printing module has two printing cartridges as an example, the nozzle cleaning device 30 - can have two sets of scrapers 34, which are arranged corresponding to the two printing cartridges, and each group has It is not limited to the two squeegees 34, and the two squeegees 34 are disposed in parallel with each other, and the squeegee may be made of a rubber material. After the nozzle completes the printing operation, the printing sputum is moved to above the nozzle cleaning device 30, and the nozzle corresponds to the position of the squeegee 34 and is in contact with the squeegee 34. At this time, the driving device 33 drives the pedestal 32. Reciprocating in the X direction causes the squeegee 34 to move over the surface of the showerhead to scrape off residual glue and adhering powder on the spray head. In addition, since the glue and the powder are easily adhered to the nozzle, it is difficult to scrape completely. Therefore, the nozzle cleaning device 30 of the present invention further has a liquid discharge system including the liquid storage tank 35, the liquid suction pipe 36, and the liquid discharge pipe 37. And a waste liquid pipe 38, the liquid storage tank 35 is disposed adjacent to the casing 32, and the liquid is supplied from the liquid supply device (which is disposed under the base platform 10 of the first drawing A, not shown) through the liquid suction pipe 36. Into the liquid storage tank 35, the liquid is sprayed to the spray head by the liquid discharge pipe 37, wherein the liquid discharge port 371 of the liquid discharge pipe 37 is disposed adjacent to the squeegee 34, and the number of the liquid discharge ports 371 is preferably The number of the squeegees 34 is the same as that of the squeegee 34, and the remaining squeegee and the viscous powder on the squeegee 34 can be sprayed and removed to achieve the purpose of cleaning the squeegee, for example, when the printing device is used. When there are two jets, the water jet cleaning device 30 has two sets of scrapers 34 and two liquid ejecting ports 371. Therefore, when the print head completes the printing operation and moves over the head cleaning device 30, the head cleaning device 30 first sprays a small amount of liquid onto the head, wherein the liquid can be, but is not limited to, water, detergent or solvent. It is used to wet the glue and powder on the nozzle, which makes the scraper 34 more convenient when cleaning the nozzle. 1360439! Then the second driving device 33 drives the plate 34 to move on the surface of the nozzle to remove the residual glue on the nozzle. The sticky powder is scraped off to achieve the purpose of cleaning the nozzle. In addition, the liquid discharged from the liquid discharge port 371 and the waste liquid discharged through the squeegee 34 and (4) will flow to the reading 31, and (4) the waste liquid pipe 38 connected to the casing 31 flows to the waste liquid device. It is below the base platform 1〇 of Figure A, not shown) for waste disposal.

On the other hand, the aforementioned head cleaning device 30 can be applied to the nozzle cleaning of a general 2D printing device, in addition to being applied to a three-dimensional forming device. For example, the conventional printing device can be modified according to the concept of the present invention to spray a small amount of liquid to the nozzle before the blade is cleaned, so that the ink or the highly volatile ink is wetted, so that the plate is cleaned when the nozzle is cleaned. Convenient and easy. Please refer to the second figure c and the second figure D, wherein the second figure c is a schematic structural view of the nozzle sealing device of the present case, and the second figure 1) is an exploded view of the second figure C cover separation. As shown, the nozzle storage device 40 includes a base 41, a slide 42, a carrier 43, a sealing member 44, a moisturizing device 45, and a humidity sensor 46'. The slider 42 is disposed on the base 41 and carries The seat 43 is disposed above the carriage 42 and the sealing member 44 is disposed above the carrier 43. The bearing block 43 is composed of a bearing tank body 431 and a cover plate 432. The sealing member 44 is received in the bearing tank body 431 of the carrier seat 43 and partially protrudes from the top surface of the carrier seat 43, wherein the bearing seat 43 The cover plate has an opening 433 corresponding to the sealing member 44 such that the sealing member 44 can protrude through the opening 433 to protrude from the top surface of the carrier 43. The sealing member 44 is used to cover the nozzle for sealing the printing stencil to maintain the humidity of the nozzle, to prevent the glue from being dry and to be in the form of a nozzle and a position: 'Therefore, the number of sealing parts can also correspond to E 44. The change in the purpose is not limited to the two sealing members shown in the present embodiment. The moisturizing state when the sealing member 44 is covered with the sealing head is used. Further, there is a moisturizing device 45, which comprises a health pump, a water suction pipe 452, a spray pipe 453, and a water collecting pipe 454 (5) which are disposed adjacent to the base 41 and are disposed through the water suction pipe 452. The pedestal platform of Fig. A is placed underneath: the butterfly water is loaded, and the water storage (4) is more foggy. When the water is atomized, the mist tube 453 sends the mist to the bearing tank 431 of the carrier 43 through the nozzle. And the sealing member has a groove 44 on the side, so that the mist can enter the sealing member along the slotted state and is emitted upward by the slit 442 on both sides (as shown in the second figure, the second figure E is the nozzle sealing A partial cross-sectional view of the device is provided to maintain the spray venting. The water collecting pipe 454 is coupled to the water storage tank 451 and the water collecting device (pour under the pedestal platform 1G of Fig. A, not shown) for carrying out The water collecting cycle treatment achieves the purpose of recycling. The spray head sealing device 40 of the present invention further includes a humidity sensor 46 which is disposed in the carrying tank body 431 of the wide bearing seat 43 when the inside of the bearing seat 43 is sensed. When the humidity is insufficient, the spray device 45 can be activated to spray, so that the internal humidity of the carrier 43 is maintained at 8〇%. On the nozzle to prevent drying, but also further extend the service life of the nozzle. Fig second month Referring to FIG f_g C, and the second, wherein the second f_g FIG.

S 12 1360439 is a schematic diagram of the operation process of the nozzle sealing device covering the nozzle. As shown in FIG. 2C, the sliding seat 42 has a blocking member 421 and at least one top pin 422. The blocking member 421 extends upward from the surface of the sliding seat 42 and the top pin 421 protrudes from the side of the sliding seat. It is disposed in the path guide 411 on the side of the base 41, and the path guide 411 is composed of a slope 4111 and a plane 4112 connected to the top end of the slope 4111 (as shown in FIG. F). After the printing module 11 completes the printing operation, the carrier frame 51 carrying the printing cartridge 50 will be reset above the nozzle sealing device 40, and in the reset process, the carrier frame 51 carrying the printing cartridge 50 will first interfere The stopper 421 on the carriage 42 at this time, the bottom of the printing cartridge 50 still has a distance h from the sealing member 44 (as shown in Fig. F). Then, the carrying frame 51 carrying the printing cassette 50 will continue to push forward against the blocking member 421 on the sliding seat 42, and the top pin 422 on the side of the sliding seat 42 moves along the path guide 411, and slides along the inclined surface 4111 to The plane 4112, and thus the height of the carrier 43 and the sealing member 44 can be raised as the slider 42 moves, so that the sealing member 44 is wrapped over the nozzle 52 of the printing cartridge 50 (as shown in FIG. G). Therefore, the nozzle 52 can be sealed in the sealing member 44, and sprayed by the moisturizing device 40, the wetness of the nozzle 52 can be maintained, the nozzle can be prevented from drying, and the service life of the nozzle 52 can be further extended. It can be seen from the above description that the desktop type three-dimensional forming device of the present invention is provided with a head cleaning device 30 and a nozzle sealing device 40. After the nozzle completes the printing operation, the liquid discharging system of the nozzle cleaning device 30 can be used. The squeegee is thoroughly cleaned and the nozzle is sealed in the sprinkler storage device 40 with humidity control, so that the anti-fouling and anti-drying effect of the nozzle can be achieved. 13 1360439 Of course, in addition to the three-dimensional forming device, the nozzle sealing device 40 of the present invention can also be applied to the nozzle sealing of a general 2D printing device, that is, according to the concept of the present invention, the conventional nozzle sealing device is added to the moisturizing device. Designed to ensure the wetness of the spray head. On the other hand, the desktop three-dimensional forming device of the present invention has a design of a detachable construction groove, which can remove the formed three-dimensional articles in the construction groove and the construction groove, and carry out powder removal and retrieval, and solve the problem. Knowing that when the finished product is taken, it is easy to cause the pollution of the working environment due to the flying of the powder. The following will explain the design of the detachable construction groove of this case. Please refer to the third figure A, which is a partial structural diagram of the desktop type three-dimensional forming device. As shown, the bottom of the construction trough 13 is fixed to the lifting device 60, and after each printing layer 11 prints a certain thickness or a certain thickness, the lifting device 60 will drive the lifting platform 61 and be fixed to the lifting platform. The bottom plate 131 on the 61 is lowered inside the construction groove 13 (as shown in the first figure C), and the printing module 11 will continue to cooperate with the powder φ of the powder supply tank 12 to produce a three-dimensional article until the entire three-dimensional object The item is molded. Please refer to the third figure A and the third figure B at the same time. The third figure B is the structural diagram of the construction tank and lifting equipment. As shown in the figure, the two sides of the construction groove 13 in the Y direction respectively have an outwardly protruding ear piece 132, and the lifting device 60 has a carrying platform 62 for carrying the groove body 130 of the construction groove 13 and the waste toner recovery device. 70, and a buckle member 63 protruding upwardly from the carrying platform 62, which is disposed corresponding to the ear piece 132 of the construction groove 13, and can be buckled with the ear piece 132 to fix the groove of the construction groove 13 to the bearing On platform 62. In addition, a waste powder recovery device 70 is disposed on the side of the construction tank 13, and μ 14 1360439 is disposed on the bottom of the recovery platform 14 on the base platform 10 to collect the waste from the recovery tank 14 Powder, and the waste toner recovery device 7〇 has a handle 7!, which can conveniently take the waste powder recovery device | 7G along the bearing flat raft (10), upper: guide groove 6211, to further waste powder recycling treatment.

Please refer to the third figure C and the third figure D. The third figure c is a schematic diagram of the carrying platform of the lifting device, and the third figure D is a part of the structure of the third figure c. As shown in the figure, the carrying platform 62 of the lifting device 6 includes a 2-layer plate 621 and a lower plate member 622, and the third drawing D is a structural schematic view of removing the upper plate member. The snap member 63 includes a hook portion Snap slider 632 and a snap slider 633. The hook portion 631 is approximately inverted and the second member is used for construction and construction. The slot 132 of the slot 13 is snapped, and the latch slide 632 is connected below the hook portion 63ι and is disposed on the lower plate member 622 of the carrying platform 62, and has an elastic member inside thereof such as but not limited to a spring ( The π block 633 is disposed on the front edge of the buckle slider 632 toward the center of the lower plate member 622 and has a slope 6331. One. At the same time, please refer to the third figure C_D and the third figure E_F, in which the third figure shows the structure of the structure and the buckle component is locked. The third figure F shows: the construction groove is separated from the buckle component. Schematic diagram of the structure. As shown in the figure, during the molding process of the three-dimensional article, the lifting platform 61 and the bottom plate 131 fixed to the lifting platform 61 are lowered inside the construction groove 13, and the ear of the groove 13 is constructed during the molding process. The piece 132 is snapped with the hook portion 631 on the lifting platform 62 to fix the construction groove 13 to the receiving platform 62 (as shown in FIG. 3E). When the three-dimensional item is completed, Jianye engages in 1. The bottom plate 131 and the lifting platform 61 of the structure 会 会 下降 会 ^ ^ ^ ^ ^ ^ ^ 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于 由于At the bottom of the U, 2 beveled coffee. The material drop platform 61 is lowered to the construction groove and the IA μ 611 is used to touch the snap slider 633 of the snap member 63, and the 6111 and the snap slider 63 are moved outward, and the elastic deformation of t 21 will be When the snap member is separated, the ear piece 132 and the hook portion 631 of the I slot 13 can be detached from the three-dimensional forming device 1. Construction of the sample; ^ * Before unloading the construction trough, the original is fixed on the lifting platform and the "Ping II type TM Ming construction trough bottom plate 椹 总 总 总 — — — — — — — — — — — — — — — — — — — — — — — — — — — — D Zhongjian:: and the side view of the lifting platform viewed from the A direction, the third picture is the bottom view of the lifting platform in the ', and the second drawing D. As shown in the figure, the bottom plate 131 has a large out. The bottom surface of the 01 has a card slider group, which is composed of two corresponding β-shaped card sliders 81, and the protruding parts can be slid on the snaking shovel, thereby setting the bottom plate 131 Ε1 to the lifting platform. 61 In the upper yoke example, the bottom plate 131 of the present case has two protruding parts lifting platform 61. ★ The bottom surface also has two card ¥ slide sets, but not limited thereto. δ month refers to the second figure H, which are respectively protruding parts As shown in the figure, the protruding member 8G includes a top disc portion 8G, a bottom conical portion 8 () 2, and a connecting disc portion and a cylindrical portion 803 of the conical portion 802. 'Where the disc portion 8〇1 is accommodated in the bottom plate 131, the 1360439 conical portion 802 has a tapered tip pointing downward, and the diameter of the cylindrical portion 8〇3 The diameter of the top surface of the conical portion 8〇2 is small. The cassette slider 81 includes a latching head 811, a spring 812 and a lunar seat 813, and the spring 812 is received in the recess 8131 of the sliding seat M3, and is connected to the card. The first 811 and the slider 813, and the latch 811 is also partially accommodated in the recess 8131 of the slider 813. In addition, the leading edge of the latch 811 has a semicircular recess 8111, when the two latch slides 81 correspond to When disposed, the two semicircular recesses 8111 can be combined into a circle 'and the path length is substantially equal to the diameter of the cylindrical portion 803 of the protruding member 8〇. When the located member passes through the corresponding hole in the lifting platform 61 (not shown) The conical portion 802 of the rear member 80 first resists the card head of the cassette slider 81 and causes the spring 8U to elastically deform and causes the latch 811 to retract into the recess 8131 of the slider (1). The conical portion 8〇2 can pass through the cassette head 811' and after the conical portion 802 passes through the cassette head 811, the card head 811 and the spring 812 are reset and the semicircular recess 8 of the cassette head 811 is The cylindrical portion 8G3 of the protruding member 80 is covered, so that the protruding member (10) is slid in the card slider group. At this time, the bottom plate 131 can be fixed to the lifting flat. 61. Referring again to the third figure (9), the lower deck of the load-bearing platform 62 must include at least a top seat 82 that is disposed corresponding to the seat set of the bottom surface of the lift platform. The top surface of the abutting seat 82 has a concave portion 82. The conical portion 8〇2 of the member 80 is disposed therein, and the two sides of the abutting seat 82 respectively have a sloped surface 822, and the needle is made by a gentleman. Corresponding to the slope 8111 of the bottom of the card 811 of the cassette slider 81 (as shown in the third figure j).掣1^一图K-L' wherein the third figure κ is the protruding part and the card "I and the side view structure of the combination" The third figure l is the side view structure of the protruding part and the card 1360439 slide group separation As shown in the figure, the three-dimensional object has been molded

• During the process, the protruding member 80 will be snapped into the cassette sliding group (as shown in the third figure I and K), so that the bottom plate 131 is fixed to the lifting platform 61. When the three-dimensional article is formed, the bottom plate 131 and the lifting platform 61 of the construction slot 13 are lowered to the bottom of the construction slot 13, and the latching head 811 of the latching slide 81 is in contact with the top seat 82 through the card holder 811. The top contact between the inclined surface 8112 and the inclined surface 822 of the abutting seat 82 and the elastic deformation of the spring 812, the card head 811 is externally pushed and retracted into the groove 8131 of the sliding seat 813, so that the two card heads The distance between the 811 is greater than the diameter of the top surface of the conical portion 802 of the protruding member 80, and the protruding member 80 is no longer locked in the cassette sliding seat group, so that the bottom plate 131 and the lifting platform 61 can be separated to further construct the groove 13 It is detached from the three-dimensional molding apparatus 1. Therefore, in the molding process of the three-dimensional article, the groove of the construction groove 13 can be fixed to the bearing platform 62 of the lifting device 60 through the action of the ear piece 132 and the snap member 63, and the bottom plate 131 is slidable through the protruding member 80 and the card. The function of the seat is fixed to the lifting platform 61 of the lifting device 60, so that the bottom plate 131 can rise or fall inside the construction groove 13 as the lifting platform 61 rises and falls. When the three-dimensional article is formed, the bottom plate 131 and the lifting platform 61 are lowered to the bottom of the construction groove 13, at which time the ear piece 132 is separated from the snap member 63 (as shown in the third figure F), and the protruding member 80 and the card are slippery. The seat group is separated (as shown in the third figure L), so that the construction groove 13 is no longer fixed on the carrying platform 62, the bottom plate 131 is no longer fixed on the lifting platform 61, and the bottom plate 131 can be carried on the bottom of the construction groove 13 to construct The protrusion 133 protrudes from the inside of the groove (as shown in FIG. F), so that the entire construction groove 13 can be detached from the three-dimensional forming device 1 together with the bottom plate 131 18 1360439, and moved to another place for powder removal and removal. The three-dimensional article formed in the groove 13 can solve the shortcomings of the prior art that when the finished product is taken, the working environment is easily polluted by the powder. In summary, the three-dimensional forming device of the present invention has a movable powder feeding tank, thereby achieving the advantages of saving waiting time for drying and easy to take the parts, and the powder feeding tank has a sectional powdering and heating design, which can be used for paving. The powder density is consistent, and the speed of drying and sticking of the powder is accelerated, and the total molding time is shortened. The device has the dust-proof design of the printing and the dust-distributing area, and the dust can be prevented from flying and the work quality is polluted. In addition, the present invention provides a nozzle cleaning device and a nozzle sealing device. After the nozzle completes the printing operation, the blade can be thoroughly cleaned by the liquid discharging system of the nozzle cleaning device, and the nozzle is sealed in the humidity. The controlled nozzle sealing device can achieve the complete anti-fouling and anti-drying effect of the nozzle. In addition, the case has a detachable construction groove design, which can move the construction groove and the formed three-dimensional articles together to replace the other construction groove to continue printing, and the formed construction groove and finished product are moved to him. The powder removal and take-up at φ are used to solve the shortcomings of the conventional technology when the finished product is taken, which is easy to cause pollution of the working environment and waiting for drying time due to powder flying. Therefore, the desktop stereoscopic molding device 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 the technology, but it is not intended to be protected by the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. A is a schematic view of a stereoscopic structure of a desktop stereoscopic molding apparatus of a preferred embodiment of the present invention. • Figure B: is a partial cross-sectional view of the printing module, the powder supply tank and the construction groove in the first Figure A. The first figure C is a schematic diagram of the powder feeding tank moving to the top of the construction tank for paving. Fig. D is a schematic view showing the structure of the powder supply tank shown in Fig. A when the cover is opened. The first figure E is a partial structural diagram of the first figure D. • Figure F: The schematic diagram of the structure of the powder feeding tank. The first figure G is a structural schematic diagram of the non-falling state of the powder supply tank. Fig. 2A is a schematic view showing a part of the structure of the desktop stereoscopic molding apparatus of the present invention. Figure B is a schematic view of the structure of the nozzle cleaning device of the present invention. The second figure C is a schematic structural view of the nozzle sealing device of the present invention. The second figure D is an exploded view of the cover of the second figure C. ^ Figure IIE: is a partial cross-sectional view of the nozzle storage device. Figure F-G is a schematic diagram of the actuation process of the nozzle-sealing device. Fig. 3A is a schematic view showing a part of the structure of the desktop stereoscopic molding apparatus of the present invention. The third figure B is a structural diagram of the construction tank and the lifting device. The third figure C is a schematic diagram of the carrying platform of the lifting device. The third figure D is a partial structural diagram of the third figure C. The third figure E is a structural diagram of the structure of the construction slot and the buckle component.

S 20 Schematic diagram of the separation of the first structure and the snap member. To the side of the observation _ the construction of the trough bottom plate and the lifting platform by the eight sides ::Η·: is the bottom view of the lifting platform in the third figure D. The third figure J is the combination of the protruding part and the cassette sliding block. It is an explosion diagram of the large-out part and the cassette slide group. Figure L: is a side view of a combination of a side view and a cassette slide set separated by a protruding member and a cassette slide set. Composition. [Main component symbol description] 10: Base platform 12: powder supply tank 122: motor 124: plate member 126: opening 130: tank body 132: ear piece 14: recovery tank 16: dusting wheel 171: temperature sensor 20 : Motor 22: Bushing 24: Kit I: Desktop Stereo Forming Device II: Print Module 12!: Stirring Rod 123: Eccentric Wheel 125: Slot 13: Construction Groove 131: Base Plate 133: Projection 15: Telescopic Dustproof sheath 17: heating assembly 18: second transmission member 21: ball lead screw 23: linear slider 1360439

25: carrier plate 31: box body 33: driving device 35: liquid storage tank 37: liquid ejecting tube 38: waste liquid pipe 41: base 4111: inclined surface 42: sliding seat 422: top pin 431: carrying groove body 433: opening 441 : Slot 45 : Moisture 452 : Water suction pipe 454 : Water collection pipe 46 : Humidity sensor 51 : Bearing frame 60 : Lifting device 611 : Top block 62 : Bearing platform 6211 : Guide groove 63 : Snap member 632 : Card Buckle slide 30: nozzle cleaning device 32: base 34: squeegee 36: liquid suction pipe 371: liquid discharge port 40: nozzle storage device 411: path guide 4112: plane 421: stopper 43: carrier member 432 : Cover 44 : Sealing portion 442 : Slot 451 : Water storage tank 453 : Spray tube 455 : Spray port 50 : Printing 匣 52 : Spray head 61 : Lifting platform 6111 : Inclined surface 621 : Upper plate member 622 : Lower plate member 631: hook part 6321: impeachment

S 22 1360439 633 : snap slider 6331 : bevel 70 : waste toner recovery device 71 : handle 80 : protruding member 801 : conical portion 802 : conical portion 803 : cylindrical portion 81 : cassette slider 811 : cassette head 8111 : Semicircular recess 8112: bevel 812: spring 813: slide 8131: groove 82: abutment 821: recess 822: bevel s 23

Claims (1)

U60439 VII. Patent application scope: • L-type nozzle cleaning device is suitable for printing with one of the at least one nozzle. The nozzle cleaning device comprises: at least one squeegee, the slab is in contact with the nozzle, And being driven by a driving device to move on the surface of the nozzle to scrape off the residue on the nozzle; and a liquid discharge system for spraying liquid to the board by using a liquid discharge tube. The residue scraped from the nozzle on the squeegee is sprayed and removed. 2. The nozzle cleaning device of claim 1, wherein the liquid is water, a detergent or a solvent. 3. The nozzle cleaning device of claim 1, wherein the residue is an ink, a glue or a powder. 4. The nozzle cleaning device of claim 1, wherein the liquid ejecting tube has a liquid ejecting port disposed adjacent to the squeegee. 5. The nozzle cleaning device of claim 1, wherein each of the nozzles is provided with at least one of the panels and the scrapers are parallel to each other. The nozzle cleaning device of claim 1, wherein the fluidophilic system further comprises a liquid storage tank, a liquid suction tube, and a waste liquid tube. 7. The nozzle cleaning device of claim 6, wherein the liquid pipe transports the liquid from a liquid supply device to the liquid storage tank, and the liquid discharge tube supplies the liquid from the liquid storage medium The tank is sprayed to the plate. 8. The nozzle cleaning device of claim 1, wherein the nozzle 24 1360439 head cleaning device further comprises a base extending upward from the surface of the base, and the base is subjected to the The drive unit is driven to reciprocate. 9. The nozzle cleaning device of claim 8, wherein the nozzle cleaning device further comprises a casing, the base is housed in the casing, and scraped by the scraper The liquid and the residue will flow into the casing and flow out through a waste pipe connected to the casing. S 25