CN114670449B - 3D printer powder preprocessing device - Google Patents
3D printer powder preprocessing device Download PDFInfo
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- CN114670449B CN114670449B CN202210303600.XA CN202210303600A CN114670449B CN 114670449 B CN114670449 B CN 114670449B CN 202210303600 A CN202210303600 A CN 202210303600A CN 114670449 B CN114670449 B CN 114670449B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/10—Pre-treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Physics & Mathematics (AREA)
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- Optics & Photonics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a 3D printer powder pretreatment device, which belongs to the technical field of 3D printer powder treatment equipment, and comprises a shell and a water removal chamber arranged in the shell, and further comprises: the dewatering structure is arranged on the shell and comprises a swinging part, a traction part, a dewatering part and a changing part, wherein the dewatering part performs turning dewatering on powder through the traction of the traction part, the changing part longitudinally and repeatedly changes the dewatering part through the traction of the traction part, and the swinging part horizontally and repeatedly swings the dewatering chamber through the traction of the traction part; and a separation part installed in the housing, the separation part for filtering the powder after the water removal according to the specification of the particle size; and the anti-aggregation part is arranged at the lower end of the shell. The invention solves the problems that the heating air of the existing powder pretreatment device of the 3D printer cannot enter the powder pile and the water removal performance is poor.
Description
Technical field:
the invention belongs to the technical field of 3D printer powder treatment equipment, and particularly relates to a 3D printer powder pretreatment device.
The background technology is as follows:
3D printing is typically implemented using a digital technology material printer. Often used in the fields of mold manufacturing, industrial design, etc., to make models, and later gradually used in the direct manufacture of some products, there are parts printed using this technique, which is a rapid prototyping technique, also known as additive manufacturing. In the printing process, before the powder is added to the printer, a pretreatment is performed on the powder, and the treatment process comprises: the powder dewatering equipment is one of the pretreatment devices of the powder dewatering equipment, the powder separation and the new and old powder mixing.
The existing 3D printer powder pretreatment device introduces heating air into powder, heats up and vaporizes liquid in the powder and volatilizes the liquid, the attached area of the heating air and the powder is not large, and the heating air cannot enter the powder stack during powder aggregation, so that the water removal performance is reduced.
The invention comprises the following steps:
the invention provides a powder pretreatment device of a 3D printer, and aims to solve the problems that the heating of the existing powder pretreatment device of the 3D printer cannot enter the powder pile and the water removal performance is poor.
The embodiment of the invention provides a 3D printer powder pretreatment device, which comprises a shell and a water removal chamber arranged in the shell, and further comprises:
the dewatering structure is arranged on the shell and comprises a swinging part, a traction part, a dewatering part and a changing part, wherein the dewatering part performs turning dewatering on powder through the traction of the traction part, the changing part longitudinally and repeatedly changes the dewatering part through the traction of the traction part, and the swinging part horizontally and repeatedly swings the dewatering chamber through the traction of the traction part; and is also provided with
A separation part installed in the housing, the separation part for filtering the dehydrated powder according to a specification of particle size;
and the anti-gathering part is arranged at the lower end of the shell and is used for pulling the shell to longitudinally move back and forth.
Preferably, the traction part comprises a rotating device and a bearing seat, wherein the side part of the shell is fixedly connected with a rotating part of the rotating device, a first linkage roller which is in rotary cooperation with the bearing seat is fixedly connected with the outer peripheral surface of the first linkage roller, a first spiral umbrella disk, a slope disk, an elliptic disk and a first linkage disk, a plurality of tooth openings are reserved on the outer peripheral surface of the first spiral umbrella disk at equal intervals, one side of the inclination disk is upwards convex, the longitudinal center line of the elliptic disk is positioned at the side part of the longitudinal center line of the first linkage roller, a linkage chain is arranged on the outer peripheral surface of the first linkage disk, a second linkage roller is rotatably connected on the upper end surface of the shell, a second linkage disk is fixedly connected on the outer peripheral surface of the second linkage roller, a plurality of tooth openings are reserved on the outer peripheral surface of the first linkage roller at equal intervals, and the second linkage roller is in traction connection with the linkage chain.
Preferably, the water removing part comprises a longitudinal roller penetrating through the shell, a plurality of first turning rods are fixedly connected to the outer peripheral surface of the longitudinal roller, one ends of the first turning rods, which are farther away from the longitudinal roller, are fixedly connected with second turning rods, the longitudinal roller, the first turning rods and the second turning rods are mutually communicated, a plurality of drainage holes are reserved on the surfaces of the first turning rods and the second turning rods, the upper end of the longitudinal roller is rotatably connected with a silica gel sleeve, an infrared radiator is arranged above the shell, a flow hole of the infrared radiator is fixedly connected with the silica gel sleeve, a disc is fixedly connected to the outer peripheral surface of the longitudinal roller, the lower end of the disc protrudes towards one side, a second planetary disc is fixedly connected to the peripheral surface of the disc, a plurality of tooth openings are equidistantly arranged on the outer peripheral surface of the second planetary disc, and the tooth openings on the first planetary disc are mutually meshed with the tooth openings on the second planetary disc.
Preferably, the changing part comprises a second bearing table and a second bearing bar fixedly connected to the upper end of the shell, a second channel is reserved on the inner wall surface of the second bearing bar, a second movable seat is movably arranged in the second channel, one end of the second movable seat, which is farther from the shell, is connected with a third coiled bending bar, one side of the second movable seat is rotationally connected with the attaching bar, and the inner wall surface of the second bearing table is rotationally connected with the bearing round table.
Preferably, the swinging part comprises a first bearing platform fixedly connected in a shell, a first channel is reserved on the upper end face of the first bearing platform, a first movable seat is movably connected in the first channel, a dewatering chamber is arranged at the upper end of the first movable seat, a first bending strip is arranged at two ends of the first channel, a rotary door is rotatably connected to one end of the shell, which is farther from a rotary device, of the shell, a stop door is arranged on the side wall of the lower end of the dewatering chamber, one end, which is farther from the stop door, of the bottom wall in the dewatering chamber is obliquely arranged towards the stop door, a fourth through hole is reserved on the shell, and a linkage column is arranged on one side of the dewatering chamber.
Preferably, the separation part comprises a first through hole reserved at one side of the bearing table, a guide bar is fixedly connected in the shell, a second through hole and a third through hole are respectively arranged at two sides of the shell, a filter frame is rotatably arranged in the second through hole, a filter element is arranged in the filter frame, filter holes are reserved on the filter element at equal intervals, one end of the filter frame extends out of the shell through the third through hole, a guide hole is reserved in the third through hole, a fitting column is movably arranged in the guide hole, and one end of the fitting column close to the guide hole is connected with the second curved bar.
Preferably, a conveying part for conveying out powder is arranged in the shell, the conveying part comprises a conveying roller screwed in the shell, one end of the conveying roller is fixedly connected with a second spiral umbrella disk meshed with the first spiral umbrella disk, tooth openings are reserved on the peripheral surface of the second spiral umbrella disk at equal intervals, a blade is fixedly connected with the peripheral surface of the conveying roller, the blade is coiled on the peripheral surface of the conveying roller, and a through hole five is reserved at the lower end of the edge of the shell.
Preferably, a powder inlet hole for placing powder is reserved on the shell, a right-angle folded-ruler-shaped baffle strip is arranged at the lower end of the powder inlet hole, two bearing strips are respectively and spirally connected to two sides of the right angle of the baffle strip, the upper end face of each bearing strip is connected with the inner wall of the shell, and one end, close to the bearing strip, of the baffle strip is connected with the inner wall face of the shell through a disc spring I.
Preferably, the aggregation preventing part comprises an inner column and a second disc spring, the inner column and the second disc spring are fixedly connected to the lower wall surface of the shell, the second disc spring is sleeved on the outer peripheral surface of the inner column, the lower end of the second disc spring is fixedly connected with a sleeve, the lower end of the inner column extends into the sleeve, the lower end of the sleeve is fixedly connected with a rectangular seat, 1 pair of square platforms are fixedly connected to the upper end surface of the rectangular seat, 1 pair of square platforms are rotatably connected with a third linkage roller, a stirring bar is fixedly connected to the outer peripheral surface of the third linkage roller, 1 outer side of the square platforms is fixedly connected with a rotary cylinder, and the rotary end of the rotary cylinder is connected with one end of the third linkage roller.
The beneficial effects of the invention are as follows:
1. when the invention is used, powder is put into the water removing chamber, the water removing part turns over by the traction of the traction part, the powder is fully attached before year and after year, the change part pulls the water removing part to longitudinally move back and forth when the water removing part moves, so that the water removing part can fully turn over the powder with different longitudinal spans, the heating air and the powder are fully attached, the water removing performance is enhanced, the swing part horizontally swings back and forth by the traction of the traction part to prevent and remove the powder on the inner surface of the water chamber from being fully attached, the heating air and the powder in each direction are fully attached, the water removing performance is enhanced again, the separation part filters the powder after water removing under the traction of the traction part, and the aggregation preventing part can longitudinally move back and forth the whole device, so that the powder is deposited in the water removing chamber, and the full water removing of the powder is ensured.
2. When the powder falls on the baffle bar, the baffle bar is turned over by the gravity of the powder, the disc spring is deformed so as to open the powder inlet hole, and when the powder completely flows into the water removal chamber, the baffle bar returns to the original position under the action of the disc spring, so that the powder inlet hole is opened and closed, and the powder is prevented from flying out during water removal.
3. The invention can make the housing longitudinally move back and forth through the anti-gathering part so as to gather powder on the bottom wall of the dewatering chamber during preventing and removing water, thereby enhancing the dewatering performance.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a front cross-sectional structure of an embodiment of the present invention;
FIG. 2 is a schematic rear view of an embodiment of the present invention;
FIG. 3 is an enlarged schematic diagram of the structure of the m-position in FIG. 1 according to the embodiment of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 according to the embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the portion p shown in FIG. 1 according to the embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the q-position structure of FIG. 1 according to the embodiment of the present invention;
FIG. 7 is a schematic view of a connection structure between a first turning bar and a second turning bar according to an embodiment of the present invention;
reference numerals: 3. a swinging part; 32. a housing; 33. a bearing table I; 34. a ditch way I; 35. A first movable seat; 36. a water removal chamber; 37. a shutter; 38. a swing door; 39. powder inlet holes; 310. A first bending strip; 4. a traction section; 42. rotating the device; 43. a first linkage roller; 44. a first spiral umbrella disk; 45. a tilting plate; 46. an elliptic disc; 47. a bearing seat; 48. a first linkage disc; 49. a linkage chain; 410. a second linkage roller; 411. a second linkage disc; 412. a planetary disc I; 5. a water removal part; 52. a longitudinal roller; 53. a disc; 54. a planetary disc II; 55. turning over the first rod; 56. a second turning rod; 57. an infrared radiator; 59. a silica gel sleeve; 510. drainage holes; 6. a separation section; 62. a first through hole; 63. a second through hole; 64. a guide strip; 65. a filter frame; 66. a filter element; 67. A third through hole; 68. leading to the hole; 69. a second bending strip; 610. attaching a column; 611. a through hole IV; 612. a linkage column; 7. a transport section; 72. a transport roller; 73. a paddle; 74. a through hole V; 75. A second spiral umbrella disk; 8. a changing unit; 82. a bearing table II; 83. carrying a round table; 84. a carrier strip; 85. a second ditch; 86. a third bending strip; 87. a second movable seat; 88. a bonding strip; 7. an aggregation preventing part; 92. an inner column; 93. a disc spring II; 94. a sleeve; 95. a rectangular seat; 96. square table; 97. a linkage roller III; 98. a poking bar; 99. a rotary cylinder; 102. a barrier strip; 103. a carrier strip; 104. and a disc spring I.
The specific embodiment is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention provides a 3D printer powder pretreatment device, which includes a housing 32 and a water removal chamber 36 disposed in the housing 32, and further includes:
the dewatering structure is arranged on the shell 32 and comprises a swinging part 3, a traction part 4, a dewatering part 5 and a changing part 8, wherein the dewatering part 5 performs turning dewatering on powder through the traction of the traction part 4, the changing part 8 longitudinally swings the dewatering part 5 back and forth through the traction of the traction part 4, and the swinging part 3 horizontally swings the dewatering chamber 36 back and forth through the traction of the traction part 4; and is also provided with
A separation part 6, the separation part 6 is installed in the housing 32, the separation part 6 is used for filtering the powder after water removal according to the specification of the particle size;
an anti-gathering unit 9, the anti-gathering unit 9 is installed at the lower end of the housing 32, and the anti-gathering unit 9 is used for pulling the housing 32 to move back and forth in the longitudinal direction.
When the device is used, powder is put into the dewatering chamber 36, the dewatering part 5 is turned over by the traction of the traction part 4, the central heating and the powder are fully attached when the turning part 8 is turned over, the dewatering part 5 is pulled to vertically lift up and down when the dewatering part 5 is turned over, so that the dewatering part 5 turns over the powder with different vertical spans fully, the central heating and the powder are fully attached, the dewatering performance is enhanced, the swinging part 3 enables the dewatering chamber 36 to horizontally swing back and forth by the traction of the traction part 4, the powder on the inner peripheral surface of the water chamber 36 is prevented from turning over incompletely, the full attachment of the central heating and the powder in each direction is enhanced, the dewatering performance is enhanced again, and the separation part 6 filters the powder after dewatering under the traction of the traction part 4.
The traction part 4 comprises a rotating device 42 and a bearing seat 47 which are fixedly connected with the edge part of the shell 32, a rotating part of the rotating device 42 is fixedly connected with a first linkage roller 43 which is in rotary cooperation with the bearing seat 47, a first spiral bevel disk 44, an inclination disk 45, an elliptic disk 46 and a first linkage disk 48 are fixedly connected on the outer peripheral surface of the first linkage roller 43, a plurality of tooth openings are reserved on the outer peripheral surface of the first spiral bevel disk 44 at equal intervals, one edge of the inclination disk 45 protrudes upwards, the longitudinal center line of the elliptic disk 46 is positioned at the edge part of the longitudinal center line of the first linkage roller 43, a linkage chain 49 is arranged on the outer peripheral surface of the first linkage disk 48, a second linkage roller 410 is rotatably connected on the upper end surface of the shell 32, a second linkage disk 411 is fixedly connected on the outer peripheral surface of the second linkage roller 410, a first linkage disk 412 is fixedly connected on the upper end of the linkage roller 410, a plurality of tooth openings are reserved on the outer peripheral surface of the first linkage disk 412 at equal intervals, and the second linkage disk 411 and the chain 49 are in traction connection.
The version of the swirling device 42 does not impose constraints and further the swirling device 42 is a rotary piston. The rotating device 42 pulls the first linkage roller 43 to rotate; the first linkage roller 43 pulls the first spiral umbrella disc 44, the inclination disc 45, the elliptic disc 46 and the first linkage disc 48 to rotate, the first linkage disc 48 pulls the second linkage roller 410 to rotate through the second linkage disc 411 and the linkage chain 49, and the first linkage roller 410 pulls the first planetary disc 412 to rotate.
The water removing part 5 comprises a longitudinal roller 52 penetrating through the shell 32, a plurality of first turning rods 55 are fixedly connected to the outer peripheral surface of the longitudinal roller 52, one end, farther from the longitudinal roller 52, of each first turning rod 55 is fixedly connected with a second turning rod 56, the longitudinal roller 52, the first turning rods 55 and the second turning rods 56 are mutually communicated, a plurality of drainage holes 510 are reserved on the surfaces of the first turning rods 55 and the second turning rods 56, the upper end of the longitudinal roller 52 is rotatably connected with a silica gel sleeve 58, an infrared radiator 57 is arranged above the shell 32, a through hole of the infrared radiator 57 is fixedly connected with the silica gel sleeve 58, a circular disc 53 is fixedly connected to the outer peripheral surface of the longitudinal roller 52, the lower end of the circular disc 53 protrudes towards one side, a second planetary disc 54 is fixedly connected to the peripheral surface of the circular disc 53, a plurality of tooth openings are equidistantly arranged on the outer peripheral surface of the second planetary disc 54, and the tooth openings on the first planetary disc 412 are mutually meshed with the tooth openings on the second planetary disc 54.
The first planetary plate 412 pulls the longitudinal roller 52 to rotate through the second planetary plate 54, the infrared radiator 57 conveys the heating air to the first turning rod 55 and the second turning rod 56 through the silica gel sleeve 58 and the longitudinal shaft 52, the heating air is sprayed out of the drainage hole 510 when the longitudinal shaft 52 pulls the first turning rod 55 and the second turning rod 56 to turn the powder, the heating air is used for dewatering the powder, the first turning rod 55 and the second turning rod 56 rotate to enable the heating air and the powder to be fully attached, and the dewatering performance is enhanced.
The changing part 8 comprises a second bearing table 82 and a second bearing bar 84 which are fixedly connected with the upper end of the shell 32, a second channel 85 is reserved on the inner wall surface of the second bearing bar 84, a second movable seat 87 is movably arranged in the second channel 85, one end of the second movable seat 87, which is farther from the shell 32, is connected with a third coiled bending bar 86, one side of the second movable seat 87 is rotationally connected with a joint bar 88, and the inner wall surface of the second bearing table 82 is rotationally connected with a bearing round table 83.
The third curved strip 86 is coiled beryllium copper wire; because the lower end face of the disc 53 protrudes towards one side, the disc 53 moves towards the upper end in cooperation with the bearing performance of the bearing round table 83 when the disc 53 rotates, and the third bending strip 86 extrudes the disc 53 to move downwards through the second moving seat 87 and the attaching strip 88 and the gravity of the disc 53, and the longitudinal roller 52 is pulled to move longitudinally and back when the disc 53 rotates, so that the first turning rod 55 and the second turning rod 56 rotate and move longitudinally and back, particles between adjacent layers of powder roll, the specification of powder surface and heating attachment is increased, and the uniformity of water removal is enhanced.
The swinging part 3 comprises a first bearing platform 33 fixedly connected in a shell 32, a first channel 34 is reserved on the upper end face of the first bearing platform 33, a first movable seat 35 is movably connected in the first channel 34, a dewatering chamber 36 is arranged at the upper end of the first movable seat 35, a first bending strip 310 is arranged at two ends of the first channel 34, one end of the shell 32, which is farther from a rotating device 42, is rotated by a rotating door 38, a cutting door 37 is arranged on the side wall of the lower end of the dewatering chamber 36, one end, which is farther from the cutting door 37, of the bottom wall in the dewatering chamber 36 is obliquely arranged towards the cutting door 37, a fourth through hole 611 is reserved on the shell 32, and a linkage column 612 is arranged at one side of the dewatering chamber 36.
The first curved strip 310 is coiled beryllium copper wire; the linkage column 612 is pulled to move towards one side of the water removal chamber 36 when the elliptic disk 46 rotates, the linkage column 612 pulls the water removal chamber 36 to move towards the first through hole 62, after the elliptic disk 46 continuously rotates, the first bending strips 310 close to one side of the first through hole 62 squeeze the movable seat 35 to move towards the linkage column 612 through the self-deformation acting force, the pair of first bending strips 310 cooperate with the first drawing movable seat 35 to horizontally pull back and swing, the movable seat 35 pulls the water removal chamber 36 to horizontally swing back and forth, the flexibility of powder operation in the water removal chamber 36 is improved, the phenomenon that the water removal performance is reduced due to low flexibility of powder close to the inner surface of the water removal chamber 36 is avoided, and the powder after water removal flows out of the water removal chamber 36 through the cut-off valve 37.
The separating part 6 comprises a first through hole 62 reserved on one side of a first bearing table 33, a guide strip 64 is fixedly connected in the shell 32, a second through hole 63 and a third through hole 67 are respectively arranged on two sides of the shell 32, a filter frame 65 is rotatably arranged in the second through hole 63, a filter element 66 is arranged in the filter frame 65, filter holes are reserved on the filter element 66 at equal intervals, one end of the filter frame 65 extends out of the shell 32 through the third through hole 67, a guide hole 68 is reserved in the third through hole 67, a fitting column 610 is movably arranged in the guide hole 68, and one end of the fitting column 610 close to the guide hole 68 is connected with the second curved-sheet strip 69.
The second bending strip 69 is coiled beryllium copper wire; after the powder after water removal is led to the guide strip 64 through the first through hole 62, the powder is led to the filter element 66 through the guide strip 64, the filter frame 65 is lifted up to squeeze the second curved strip 69 and enable the second curved strip 69 to turn upwards when the tilting disk 45 rotates, after the filter frame 65 continuously rotates, the second curved strip 69 presses the filter frame 65 through the attaching column 610 and enables the second curved strip 69 to turn downwards, the filter frame 65 swings back and forth longitudinally under the action of the rotation of the tilting disk 45, the filter element 66 in the filter frame 65 filters the powder after water removal, coarse powder flows out through the second through hole 63, and fine powder falls into the shell 32.
The shell 32 is internally provided with a conveying part 7 for conveying out powder, the conveying part 7 comprises a conveying roller 72 screwed in the shell 32, one end of the conveying roller 72 is fixedly connected with a second spiral umbrella disk 75 meshed with the first spiral umbrella disk 44, teeth are reserved on the outer peripheral surface of the second spiral umbrella disk 75 at equal intervals, the outer peripheral surface of the conveying roller 72 is fixedly connected with a paddle 73, the paddle 73 is coiled on the outer peripheral surface of the conveying roller 72, and a fifth through hole 74 is reserved at the lower end of the edge of the shell 32.
When the first screw disk 44 rotates, the transport roller 72 is pulled to rotate by the second screw disk 75, and the transport roller 72 pulls the blade 73 to move the powder from the fifth through hole 74 to the outside of the housing 32.
The shell 32 is also reserved with a powder inlet hole 39 for placing powder, the lower end of the powder inlet hole 39 is provided with a right-angle folded-shaped baffle strip 33, two sides of the right angle of the baffle strip 33 are respectively and spirally connected with a bearing strip 34, the upper end surface of the bearing strip 34 is connected with the inner wall of the shell 32, and one end of the baffle strip 33 close to the bearing strip 34 is connected with the inner wall surface of the shell 32 through a disc spring 35.
The baffle bar 33 receives the gravity of the powder to turn over the baffle bar 33, the first disc spring 35 deforms to open the powder inlet 39, and when the powder completely flows into the water removal chamber 36, the baffle bar 33 returns to the original position under the action of the first disc spring 35 to open and close the powder inlet 39 so as to prevent the powder from flying out during water removal.
The aggregation preventing part 9 comprises an inner column 92 and a second disc spring 93, the inner column 92 and the second disc spring 93 are fixedly connected to the lower wall surface of the shell 32, the second disc spring 93 is sleeved on the outer peripheral surface of the inner column 92, the lower end of the second disc spring 93 is fixedly connected with a sleeve 94, the lower end of the inner column 92 extends into the sleeve 94, the lower end of the sleeve 94 is fixedly connected with a rectangular seat 95, 1 pair of square platforms 96,1 are fixedly connected to the upper end surface of the rectangular seat 95, a linkage roller III 97 is rotatably connected between the square platforms 96, the outer side of the outer peripheral surface of the linkage roller III 97 is fixedly connected with a rotary cylinder 99, and the rotary end of the rotary cylinder 99 is connected with one end of the linkage roller III 97.
The rotating cylinder 99 pulls the third linkage roller 97 to rotate, the third linkage roller 796 pulls the poking bar 98 to rotate, the shell 32 is lifted up through the poking bar 98, the second disc spring 93 deforms, the shell 32 falls under the action of the deformation force of the second disc spring 93 when the rotating cylinder 99 continuously rotates, so that the shell 32 longitudinally and repeatedly changes, powder aggregation in the water chamber 36 is prevented, and the water removal performance is enhanced.
The implementation mode specifically comprises the following steps: when the powder is applied, the powder is put into the powder inlet 39, the barrier 33 is turned over by the gravity of the powder, the disc spring 35 deforms, so that the powder inlet 39 is opened, when the powder completely flows into the dewatering room 36, the barrier 33 returns to the original position under the action of the disc spring 35, so that the powder inlet 39 is opened and closed, the rotating equipment 42 pulls the linkage roller II 43 to rotate, the linkage roller II 43 pulls the bevel disk 44 to tilt the first, the elliptic disk 46 and the linkage disk 48 to rotate, the linkage disk II 48 pulls the linkage roller II 410 to rotate through the linkage disk II 411 and the linkage chain 49, the linkage roller II 410 pulls the planetary disk II 412 to rotate, the planetary disk II 412 pulls the longitudinal roller 52 to rotate through the planetary disk II 54, the infrared radiator 57 transmits the heating air to the turnover rod I55 and the turnover rod II 56 through the high-temperature-resistant silica gel sleeve 58 and the longitudinal roller 52, when the longitudinal roller 52 pulls the first turn rod 55 and the second turn rod 56 to turn the powder, the warm air flows out of the warm air through the drainage holes 510 to remove water for the powder, the first turn rod 55 and the second turn rod 56 rotate to fully attach the warm air and the powder, the water removing performance is enhanced, as the lower end face of the disc 53 is raised towards one side, the disc 53 is lifted by the bearing performance of the bearing round table 83 when the disc 53 rotates, the disc 53 continuously rotates, the third curved strip 86 extrudes the disc 53 towards the lower direction through the second moving seat 87 and the attaching strip 88 and the gravity of the disc 53, the disc 53 rotates to pull the longitudinal roller 52 to perform longitudinal back and forth movement, thereby the first turn rod 55 and the second turn rod 56 rotate and longitudinally back and forth move, particles between adjacent layers of the powder roll, the attached specification of the powder surface and the warm air is increased, the water removing uniformity is enhanced, when the elliptic disk 46 rotates, the traction linkage column 612 moves towards one side of the dewatering chamber 36, the linkage column 612 pulls the dewatering chamber 36 to move towards the first through hole 62, after the elliptic disk 46 continuously rotates, the bending strip 310 close to one side of the first through hole 62 presses the movable seat 35 to move towards the linkage column 612 through the self-deformation acting force, the pair of bending strips 310 cooperate with the traction movable seat 35 to horizontally pull back and swing, the movable seat 35 pulls the dewatering chamber 36 to horizontally swing back and forth, the flexibility of powder running in the dewatering chamber 36 is improved, the dewatering performance reduction caused by low flexibility of powder close to the inner surface of the dewatering chamber 36 is avoided, the rotary cylinder 99 pulls the linkage roller three 97 to rotate, the linkage roller three 796 pulls the poking strip 98 to rotate, the housing 32 is lifted up through the poking strip 98, the disc spring two 93 deforms, the rotary cylinder 99 continuously rotates, the housing 32 falls under the action of the deformation force of the disc spring two 93, this completes the longitudinal back and forth movement of the housing 32 to prevent and remove the powder from accumulating in the water chamber 36, enhances the water removal performance, the powder after water removal flows out of the water removal chamber 36 through the shutter 37, the powder after water removal is led to the guide strip 64 through the first through hole 62, the powder is led to the filter element 66 through the guide strip 64, the filter frame 65 is lifted up to press the curved strip two 69 and is turned upwards when the tilting disk 45 rotates, the curved strip two 69 presses down the filter frame 65 through the attaching column 610 and is turned downwards after the filter frame 65 continuously rotates, the filter frame 65 is swung back and forth longitudinally under the effect of the rotation of the tilting disk 45, the filter element 66 in the filter frame 65 filters the powder after water removal, the coarse powder flows out through the second through hole 63, the fine powder drops to the housing 32, the first spiral umbrella disk 44 rotates while dragging the transport roller 72 through the second spiral umbrella disk 75, the transport roller 72 pulls the paddles 73 to move the powder from the through holes five 74 to the outside of the housing 32.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A 3D printer powder pretreatment device comprising a housing (32) and a water removal chamber (36) disposed in the housing (32), characterized by further comprising:
the dewatering structure is arranged on the shell (32), and comprises a swinging part (3), a traction part (4), a dewatering part (5) and a changing part (8), wherein the dewatering part (5) performs turning dewatering for powder through the traction of the traction part (4), the changing part (8) enables the dewatering part (5) to longitudinally and repeatedly change through the traction of the traction part (4), and the swinging part (3) enables the dewatering chamber (36) to horizontally and repeatedly swing through the traction of the traction part (4); and is also provided with
A separation section (6), the separation section (6) being installed in the housing (32), the separation section (6) being configured to perform filtration of the powder after water removal according to a specification of particle size;
and the anti-aggregation part (9), the anti-aggregation part (9) is arranged at the lower end of the shell (32), and the anti-aggregation part (9) is used for pulling the longitudinal back and forth movement of the shell (32).
2. A 3D printer powder pretreatment device as claimed in claim 1, wherein: the traction part (4) comprises rotating equipment (42) and a bearing seat (47) which are fixedly connected with the edge part of a shell (32), the rotating part of the rotating equipment (42) is fixedly connected with a first linkage roller (43) which is in rotary cooperation with the bearing seat (47), a second linkage roller (410) is fixedly connected with the outer peripheral surface of the first linkage roller (43), an inclination disc (45), an elliptic disc (46) and a first linkage disc (48), a plurality of tooth openings are reserved on the outer peripheral surface of the first spiral umbrella disc (44) at equal intervals, one edge of the inclination disc (45) is upwards protruded, the longitudinal center line of the elliptic disc (46) is located at the edge part of the longitudinal center line of the first linkage roller (43), a linkage chain (49) is arranged on the outer peripheral surface of the first linkage disc (48), a second linkage roller (410) is rotatably connected on the upper end surface of the shell (32), a first linkage roller (412) is fixedly connected with a second linkage disc (411), and a plurality of planetary chains (412) are connected with the first linkage disc (412) at equal intervals.
3. A 3D printer powder pretreatment device according to claim 2, characterized in that: the water removing part (5) comprises a longitudinal roller (52) penetrating through the shell (32), a plurality of first turning rods (55) are fixedly connected to the outer peripheral surface of the longitudinal roller (52), one ends of the first turning rods (55) farther away from the longitudinal roller (52) are fixedly connected with second turning rods (56), the longitudinal roller (52), the first turning rods (55) and the second turning rods (56) are mutually communicated, a plurality of drainage holes (510) are reserved on the surfaces of the first turning rods (55) and the second turning rods (56), a silica gel sleeve (58) is screwed at the upper end of the longitudinal roller (52), an infrared radiator (57) is arranged above the shell (32), a circular disc (53) is fixedly connected to the outer peripheral surface of the longitudinal roller (52), the lower ends of the circular disc (53) are protruded towards one side, a plurality of planet discs (54) are fixedly connected to the peripheral surface of the first turning rods (55), and a plurality of planet discs (54) are arranged on the outer peripheral surface of the first planet discs (54) and the second planet discs are provided with tooth openings at equal distances.
4. A 3D printer powder pretreatment device according to claim 3, characterized in that: the change portion (8) comprises a second bearing table (82) and a bearing strip (84) which are fixedly connected with the upper end of the shell (32), a second channel (85) is reserved on the inner wall surface of the bearing strip (84), a second movable seat (87) is movably arranged in the second channel (85), one end, farther from the shell (32), of the second movable seat (87) is connected with a third coiled bending strip (86), one side of the second movable seat (87) is rotationally connected with the joint strip (88), and the inner wall surface of the second bearing table (82) is rotationally connected with a bearing round table (83).
5. A 3D printer powder pretreatment device according to claim 2, characterized in that: the swing part (3) comprises a first bearing table (33) fixedly connected in a shell (32), a first ditch (34) is reserved on the upper end face of the first bearing table (33), a first movable seat (35) is movably connected in the first ditch (34), a fourth through hole (611) is reserved on the shell (32), a first curved opening strip (310) is arranged at two ends of the first ditch (34), a rotary door (38) is screwed at one end of the shell (32) farther from a rotary device (42), a stop valve (37) is arranged on the side wall of the lower end of the water removal chamber (36), one end of the bottom wall of the inner portion of the water removal chamber (36) farther from the stop valve (37) is obliquely arranged towards the stop valve (37), and a fourth through hole (611) is reserved on the shell (32), and a linkage column (612) is arranged at one side of the water removal chamber (36).
6. A 3D printer powder pretreatment device as claimed in claim 5, wherein: the separation part (6) comprises a first through hole (62) reserved on one side of a first bearing table (33), a guide bar (64) is fixedly connected in the shell (32), a second through hole (63) and a third through hole (67) are respectively arranged on two sides of the shell (32), a filter frame (65) is rotatably arranged in the second through hole (63), a filter core (66) is arranged in the filter frame (65), filter holes are reserved on the filter core (66) at equal intervals, one end of the filter frame (65) extends out of the shell (32) through the third through hole (67), a guide hole (68) is reserved in the third through hole (67), a joint column (610) is movably arranged in the guide hole (68), and one end, close to the guide hole (68), of the joint column (610) is connected with the second curved bar (69).
7. A 3D printer powder pretreatment device according to claim 2, characterized in that: the powder conveying device is characterized in that a conveying part (7) for conveying powder is arranged in the shell (32), the conveying part (7) comprises a conveying roller (72) screwed in the shell (32), one end of the conveying roller (72) is fixedly connected with a second spiral umbrella disk (75) meshed with the first spiral umbrella disk (44), teeth are reserved on the outer peripheral surface of the second spiral umbrella disk (75) at equal intervals, paddles (73) are fixedly connected with the outer peripheral surface of the conveying roller (72), the paddles (73) are coiled on the outer peripheral surface of the conveying roller (72), and a fifth through hole (74) is reserved at the lower end of the edge of the shell (32).
8. A 3D printer powder pretreatment device as claimed in claim 1, wherein: the powder feeding device is characterized in that a powder feeding hole (39) for feeding powder is reserved in the shell (32), a right-angle folding-rule-shaped baffle strip (33) is arranged at the lower end of the powder feeding hole (39), two bearing strips (34) are respectively screwed on two sides of the right angle of the baffle strip (33), the upper end face of the bearing strip (34) is connected with the inner wall of the shell (32), and one end, close to the bearing strip (34), of the baffle strip (33) is connected with the inner wall face of the shell (32) through a disc spring one (35).
9. A 3D printer powder pretreatment device as claimed in claim 1, wherein: the anti-aggregation part (9) comprises an inner column (92) and a disc spring II (93), wherein the inner column (92) and the disc spring II (93) are fixedly connected to the lower wall surface of the shell (32), the disc spring II (93) is sleeved on the outer peripheral surface of the inner column (92), the lower end of the disc spring II (93) is fixedly connected with a sleeve (94), the lower end of the inner column (92) extends into the sleeve (94), the lower end of the sleeve (94) is fixedly connected with a rectangular base (95), 1 pair of square platforms (96) are fixedly connected to the upper end surface of the rectangular base (95), 1 pair of square platforms (96) are connected with a third linkage roller (97) in a rotating mode, the outer peripheral surface of the third linkage roller (97) is fixedly connected with a rotary cylinder (99), and the rotary end of the rotary cylinder (99) is connected with one end of the third linkage roller (97).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210303600.XA CN114670449B (en) | 2022-03-24 | 2022-03-24 | 3D printer powder preprocessing device |
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| CN202210303600.XA CN114670449B (en) | 2022-03-24 | 2022-03-24 | 3D printer powder preprocessing device |
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| CN114670449A CN114670449A (en) | 2022-06-28 |
| CN114670449B true CN114670449B (en) | 2023-08-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2015199308A (en) * | 2014-04-10 | 2015-11-12 | セイコーエプソン株式会社 | Transportation mechanism of printing medium and printer |
| CN206186556U (en) * | 2016-11-21 | 2017-05-24 | 深圳同益新中控实业有限公司 | Cloth ink jet printer's conduction band belt cleaning device |
| CN112370926A (en) * | 2020-11-24 | 2021-02-19 | 成都康拓兴业科技有限责任公司 | Water removal filter for airborne oxygen system |
| CN213239662U (en) * | 2020-04-23 | 2021-05-18 | 南京三鸣智自动化工程有限公司 | Gaseous on-line monitoring system of buggy preparation system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8303107B2 (en) * | 2011-03-04 | 2012-11-06 | Eastman Kodak Company | Printing method including web media moving apparatus |
| US10486362B2 (en) * | 2016-02-11 | 2019-11-26 | General Electric Company | Method and connecting supports for additive manufacturing |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015199308A (en) * | 2014-04-10 | 2015-11-12 | セイコーエプソン株式会社 | Transportation mechanism of printing medium and printer |
| CN206186556U (en) * | 2016-11-21 | 2017-05-24 | 深圳同益新中控实业有限公司 | Cloth ink jet printer's conduction band belt cleaning device |
| CN213239662U (en) * | 2020-04-23 | 2021-05-18 | 南京三鸣智自动化工程有限公司 | Gaseous on-line monitoring system of buggy preparation system |
| CN112370926A (en) * | 2020-11-24 | 2021-02-19 | 成都康拓兴业科技有限责任公司 | Water removal filter for airborne oxygen system |
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