CN116728770B - FDM type 3D printer capable of displaying model printing progress - Google Patents
FDM type 3D printer capable of displaying model printing progress Download PDFInfo
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- CN116728770B CN116728770B CN202310656517.5A CN202310656517A CN116728770B CN 116728770 B CN116728770 B CN 116728770B CN 202310656517 A CN202310656517 A CN 202310656517A CN 116728770 B CN116728770 B CN 116728770B
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- 238000007639 printing Methods 0.000 title claims abstract description 82
- 230000033001 locomotion Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/245—Platforms or substrates
-
- 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
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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
- B33Y10/00—Processes of additive manufacturing
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
An FDM type 3D printer capable of displaying a model printing progress belongs to the technical field of FDM type 3D printers, and aims to solve the problems that a traditional FDM type 3D printer is inconvenient to realize an inclined path of a printing head through a shortest path and the traditional FDM type 3D printer is inconvenient to display the printing progress through a screen; according to the application, through the rotation of the first meshing wheel, the rotary toothed belt is driven to rotate, the transverse movement of the transverse movement mechanism is controlled, the transverse movement mechanism moves along an oblique route through the independent movement of the movable guide rail, the longitudinal movement of the transverse movement mechanism is controlled under the rotation fit of the movable guide rail and the rotary toothed belt, and the printing progress of the model is displayed through the scanning module, the controller module and the information display module.
Description
Technical Field
The invention relates to the technical field of FDM type 3D printers, in particular to an FDM type 3D printer capable of displaying model printing progress.
Background
FDM is a process fused deposition Fabrication (FDM) process, and the FDM material is typically a thermoplastic material, such as wax, ABS, nylon, and the like. Fed in a filiform form. The material is heated and melted in the shower nozzle, the shower nozzle is along part cross-section profile and filling track motion, simultaneously extrude the material that melts, the material solidifies rapidly, and with the material on every side congeals, traditional FDM type 3D printer generally needs triaxial structure to let the printer head cooperation print, in order to form the 3D article that needs to print, be inconvenient for realizing the slant route of printer head through the shortest path, accomplish the printing of 3D article in the shortest time, and traditional FDM type 3D printer is after printing the completion, the bottom sticking phenomenon can appear in the article, in the difficult time of taking out, probably still can destroy the integrality of article bottom, traditional FDM type 3D printer is in the in-process of printing 3D article, the user is usually through the formation state of observing 3D article, confirm the printing progress of article, time accuracy is relatively poor in the time accuracy, be inconvenient for showing the printing progress through the screen, let the user more intuitively observe the printing progress of article.
To solve the above problems, for this purpose, an FDM type 3D printer capable of displaying the model printing progress is proposed.
Disclosure of Invention
The invention aims to provide an FDM type 3D printer capable of displaying the printing progress of a model, which solves the problems that the traditional FDM type 3D printer in the background art is inconvenient to realize the inclined path of a printing head through a shortest path, the traditional FDM type 3D printer has the phenomenon that articles are stuck to the bottom after printing is finished, and the traditional FDM type 3D printer is inconvenient to display the printing progress through a screen.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a but FDM type 3D printer of demonstration model printing progress, including quick-witted case and activity setting at the removal guide rail of the inside upper end of quick-witted case, the upper end inner wall of quick-witted case still is provided with drive assembly, drive assembly is including the fixed motor of fixed setting in the inside upper end of quick-witted case, fixed motor is provided with first meshing wheel through output shaft, the same horizontal position of first meshing wheel is provided with the second meshing wheel, the second meshing wheel lower extreme is provided with the third meshing wheel, first meshing wheel and the outside meshing of third meshing wheel are provided with the rotation toothed belt, this device is provided with scanning module, controller module and information display module, through the rotation of first meshing wheel, the rotation toothed belt transmission rotates, lateral shifting of control lateral shifting mechanism, through the individual removal of removal guide rail, lateral shifting mechanism is along slant route removal, under the normal running fit of removal guide rail and rotation toothed belt, the control lateral shifting mechanism, the printing progress of model is shown through scanning module, controller module and information display module.
Further, the inside lift of quick-witted case is provided with first printing platform, and the quick-witted case includes the guide rail strip that its both sides inner wall set up, and the upper end position of quick-witted case still is provided with the structure strip, and one side of structure strip is provided with the fixed strip, and the fixed strip sets up two sets of, and spacing groove has been seted up to the inside fixed strip of two sets of, and spacing inslot wall is fixed to be provided with the telescopic column.
Further, the transmission assembly further comprises a fourth meshing wheel and a seventh meshing wheel which are movably arranged at two ends of the movable guide rail, a sixth meshing wheel, an eighth meshing wheel and a ninth meshing wheel are arranged at opposite positions of the first meshing wheel, the second meshing wheel and the third meshing wheel, a fourth toothed belt is arranged on the outer side of the sixth meshing wheel in a meshing mode, the fourth toothed belt is meshed with the ninth meshing wheel, a fifth meshing wheel is arranged at the lower end of the fourth meshing wheel in a connecting mode through a connecting shaft, the position of the fifth meshing wheel is located at the lower end of the movable guide rail, and the fifth meshing wheel is meshed with the outer side of the rotary toothed belt.
Further, the transverse moving mechanism comprises a connecting member and a printing head assembly arranged at the lower end of the movable guide rail in a sliding manner, one end of the connecting member is connected with the inner wall of the upper end of the chassis, the other end of the connecting member is connected with the printing head assembly, the upper end of the printing head assembly is fixedly provided with a first toothed belt and a second toothed belt, the inner side of the second toothed belt is meshed with a fourth meshing wheel and a second meshing wheel, one end of the second toothed belt is provided with a first jogging head, the inner side of the first toothed belt is meshed with a seventh meshing wheel and an eighth meshing wheel, one end of the first toothed belt is provided with a second jogging head, the first jogging head and the second jogging head are correspondingly jogged in two groups of limiting grooves, and one ends of the first jogging head and the second jogging head are fixedly connected with corresponding groups of telescopic columns.
Further, the inside lift of quick-witted case is provided with the second print platform, the through groove has been seted up to the second print platform both sides, the inside of through groove is provided with except that the material component, except that the material component includes the electric drive rotation axis, the electric drive rotation axis outside is provided with the urceolus, and the diameter of urceolus is greater than the degree of depth of through groove, the upper end of urceolus is provided with square knife structure, and square knife structure sets up two sets of, square knife structure opposition sets up, square knife structure includes the square piece with urceolus fixed connection, the gomphosis groove has been seted up to square piece lower extreme, the inside activity of gomphosis groove is provided with square blade.
Further, the inside of square piece still is provided with flexible pushing post, flexible pushing post one end and square blade fixed connection, and square blade front end is provided with the pointed end piece, and a section of thick bamboo die cavity has been seted up to square piece's inside upper end, and a bar chamber has been seted up to a section of thick bamboo die cavity lower extreme, and the inside of gomphosis groove is provided with the sheet rubber, and the sheet rubber lower extreme contacts with the pointed end piece.
Further, the bar-shaped cavity comprises an electromagnetic valve connected with the cylinder cavity, the bar-shaped cavity further comprises a bar-shaped inclined cavity and a leakage opening, the bar-shaped inclined cavity is arranged in the bar-shaped inclined cavity, the two groups of the bar-shaped inclined cavities are arranged, the leakage openings are arranged in multiple groups, and the leakage openings of the multiple groups are communicated with the bar-shaped inclined cavity.
Further, the controller module electric connection is provided with motor sensing module, and motor sensing module electric connection is provided with angle detection unit and speed detection unit, and scanning module electric connection is provided with geometry restoration unit, section unit and intensive calculation unit, and intensive calculation unit electric connection is provided with temperature control unit, motion track unit, nozzle flow unit and model correction unit.
Further, the scanning module is used for scanning the object and converting the object into a 3D model file, such as STL, OBJ and other formats, the angle detection unit and the speed detection unit are used for detecting the rotation angle and the speed of the first meshing wheel, the controller module is used for receiving the information of the rotation angle and the speed of the first meshing wheel and calculating the position of the printing head assembly, so that the printing progress is determined, and the information display module is used for displaying the printing progress information on a screen.
Further, the geometric restoration unit is used for geometrically restoring the original three-dimensional model, the slicing unit is used for dividing the restored three-dimensional model into a series of horizontal layers, the temperature control unit is used for controlling the melting point, the softening temperature and the transition temperature parameters of different materials during printing, the movement track unit is used for controlling the printing head assembly to move according to a preset path, the nozzle flow unit is used for controlling the flow of the nozzle of the printing head assembly during printing, the model correction unit is used for correcting the original three-dimensional model before printing, and the accuracy of geometric shapes is guaranteed.
Compared with the prior art, the invention has the following beneficial effects:
According to the FDM type D printer capable of displaying the printing progress of the model, the rotation of the first meshing wheel drives the rotating toothed belt to rotate, the transverse movement of the transverse movement mechanism is controlled, the transverse movement mechanism moves along an oblique route through the independent movement of the moving guide rail, the longitudinal movement of the transverse movement mechanism is controlled under the rotation fit of the moving guide rail and the rotating toothed belt, the printing progress of the model is displayed through the scanning module, the controller module and the information display module, the problem that the traditional FDM type D printer is inconvenient to realize the oblique route of the printing head through the shortest route, the object is sticky after the printing of the traditional FDM type D printer is completed, and the traditional FDM type D printer is inconvenient to display the printing progress through a screen is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a transmission assembly according to the present invention;
FIG. 3 is a schematic view of a lateral movement mechanism according to the present invention;
FIG. 4 is a schematic view of a split structure of a transmission assembly according to the present invention;
FIG. 5 is a schematic view of a structural bar according to the present invention;
FIG. 6 is a schematic diagram of a second printing platform according to the present invention;
FIG. 7 is a schematic perspective view of a square knife structure according to the present invention;
FIG. 8 is a schematic side plan view of a square knife structure of the present invention;
FIG. 9 is a schematic diagram of a front plan view of a bar-shaped cavity according to the present invention;
FIG. 10 is a schematic diagram of a controller module according to the present invention;
Fig. 11 is a schematic diagram of a scan module structure according to the present invention.
In the figure: 1. a chassis; 11. a guide rail; 12. a structural bar; 121. a fixing strip; 122. a limit groove; 123. a telescopic column; 2. moving the guide rail; 3. a lateral movement mechanism; 31. a connecting member; 32. a printhead assembly; 33. a first toothed belt; 331. a second fitting head; 34. a second toothed belt; 341. a first fitting head; 4. a transmission assembly; 41. fixing a motor; 42. a first engagement wheel; 421. rotating the toothed belt; 43. a second engagement wheel; 44. a third engagement wheel; 45. a fourth engagement wheel; 451. a fifth engagement wheel; 46. a ninth engagement wheel; 47. a sixth meshing wheel; 471. a fourth toothed belt; 48. a seventh meshing wheel; 49. an eighth engagement wheel; 5. a first printing platform; 6. a second printing platform; 61. a through groove; 62. a material removing member; 621. electrically driving the rotating shaft; 622. an outer cylinder; 623. a square knife structure; 6231. square blocks; 6232. square blade; 6233. a fitting groove; 6234. a telescopic pushing column; 6235. a barrel cavity; 6236. a strip-shaped cavity; 62361. an electromagnetic valve; 62362. a bar-shaped inclined cavity; 62363. a drain outlet; 6237. a rubber sheet; 6238. a tip sheet; 7. a scanning module; 71. a geometric repair unit; 72. a slicing unit; 73. a dense computing unit; 74. a temperature control unit; 75. a motion trail unit; 76. a nozzle flow unit; 77. a model correction unit; 8. a controller module; 81. a motor sensing module; 82. an angle detection unit; 83. a speed detection unit; 9. and an information display module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problem that the traditional FDM type 3D printer is inconvenient to realize the diagonal path of the printing head through the shortest path, as shown in fig. 1-5, the following preferable technical scheme is provided:
The utility model provides a but FDM type 3D printer of demonstration model printing progress, including quick-witted case 1 and movable setting at the inside upper end of quick-witted case 1 remove guide rail strip 2, the upper end inner wall of quick-witted case 1 still is provided with drive assembly 4, drive assembly 4 is including fixed motor 41 of setting at the inside upper end of quick-witted case 1, fixed motor 41 is provided with first meshing wheel 42 through output shaft, first meshing wheel 42 with the horizontal position be provided with second meshing wheel 43, second meshing wheel 43 lower extreme is provided with third meshing wheel 44, first meshing wheel 42 and third meshing wheel 44 outside meshing are provided with rotary toothed belt 421, this device is provided with scanning module 7, controller module 8 and information display module 9, through the rotation of first meshing wheel 42, rotary toothed belt 421 transmission rotates, control lateral shifting of lateral shifting mechanism 3, through the single removal of mobile guide rail strip 2, lateral shifting mechanism 3 extends the slant route and removes under the normal running fit of mobile guide rail strip 2 and rotary toothed belt 421, control lateral shifting mechanism 3's longitudinal shifting, through scanning module 7, controller module 8 and information display module 9 outside meshing are provided with rotary toothed belt 421, the inner wall 121 of fixed groove 122 is set up and fixed in machine case 1, the inside guide rail strip is provided with the fixed groove 121, the inside set of machine case 1 is provided with two sides of fixed groove 121, the inside set of fixed groove 122, the fixed groove 122 is set up in the inside of machine case 1, and is provided with the fixed groove 121.
The transmission assembly 4 further comprises a fourth meshing wheel 45 and a seventh meshing wheel 48 which are movably arranged at the two ends of the movable guide rail 2, a sixth meshing wheel 47, an eighth meshing wheel 49 and a ninth meshing wheel 46 are arranged at opposite positions of the first meshing wheel 42, the second meshing wheel 43 and the third meshing wheel 44, a fourth toothed belt 471 is arranged outside the sixth meshing wheel 47 in a meshing way, the fourth toothed belt 471 and the ninth meshing wheel 46 are meshed, the lower end of the fourth meshing wheel 45 is connected with a fifth meshing wheel 451 through a connecting shaft, the position of the fifth meshing wheel 451 is positioned at the lower end of the movable guide rail 2, the fifth meshing wheel 451 is meshed with the outer side of the rotary toothed belt 421, the transverse moving mechanism 3 comprises a connecting member 31 and a printing head assembly 32 which is arranged at the lower end of the movable guide rail 2 in a sliding way, one end of the connecting member 31 is connected with the inner wall of the upper end of the chassis 1, the other end of the connecting member is connected with the printing head assembly 32, a first toothed belt 33 and a second toothed belt 34 are fixedly arranged at the upper end of the printing head assembly 32, the inner side of the second toothed belt 34 is meshed with a fourth meshing wheel 45 and a second meshing wheel 43, one end of the second toothed belt 34 is provided with a first jogging head 341, the inner side of the first toothed belt 33 is meshed with a seventh meshing wheel 48 and an eighth meshing wheel 49, one end of the first toothed belt 33 is provided with a second jogging head 331, the first jogging head 341 and the second jogging head 331 are correspondingly jogged in two groups of limiting grooves 122, and one ends of the first jogging head 341 and the second jogging head 331 are fixedly connected with corresponding groups of telescopic columns 123.
Specifically, the moving guide rail 2 moves along with the print height of the print head assembly 32 by lifting the first print platform 5, and is guided by the transmission assembly 4, when printing is required, the first engaging wheel 42 is driven to rotate by the fixed motor 41, the sixth engaging wheel 47 is also driven to rotate, that is, the rotating toothed belt 421 rotates at this time, the fifth engaging wheel 451 is engaged with the outer side of the rotating toothed belt 421, the fifth engaging wheel 451 is driven to rotate, the fifth engaging wheel 451 rotates to drive the fourth engaging wheel 45 to rotate, the fourth engaging wheel 45 is engaged with the second toothed belt 34, the second toothed belt 34 is driven to drive, and so on, the first toothed belt 33 is driven to drive, the second toothed belt 34 moves with one end of the first toothed belt 33 under the cooperation of the sixth engaging wheel 47, the fourth toothed belt 471, the seventh engaging wheel 48 and the ninth engaging wheel 46, the print head assembly 32 is further driven to transversely move outside the moving guide rail 2, the transverse position of the print head assembly 32 is adjusted, the rotation of the second toothed belt 34 and the first toothed belt 33 drives the first embedding head 341 and the second embedding head 331 to move, at this time, the two groups of telescopic columns 123 are in electric telescopic fit, during the rotation of the rotating toothed belt 421, the position of the fifth engaging wheel 451 is not changed, which results in the transverse position change of the print head assembly 32, at this time, when the rotating toothed belt 421 rotates, the engaging position of the fifth engaging wheel 451 and the rotating toothed belt 421 is not changed, at this time, the longitudinal position of the print head assembly 32 is changed, at this time, the transverse position is not changed, at this time, under the fit of the telescopic columns 123, the first embedding head 341 and the second embedding head 331 move inside the corresponding group of limiting grooves 122, when only the moving guide rail 2 drives the printhead assembly 32 to move in the longitudinal direction, the rotating toothed belt 421 does not rotate, the moving guide rail 2 drives the fifth engaging wheel 451 to move in the longitudinal direction, the fifth engaging wheel 451 is driven to rotate, and the rotation of the fifth engaging wheel 451 drives the fourth engaging wheel 45 to rotate, so that the printhead assembly 32 also changes in the lateral direction, that is, the printhead assembly 32 changes in the lateral direction and also changes in the longitudinal direction, so that the printhead assembly 32 can move in the shortest path, and printing time is saved.
In order to solve the technical problem that the conventional FDM type 3D printer has a sticking phenomenon on an article after printing is completed, as shown in fig. 6-9, the following preferable technical scheme is provided:
The inside of the case 1 is provided with a second printing platform 6 in a lifting manner, two sides of the second printing platform 6 are provided with through grooves 61, the inside of the through grooves 61 is provided with a material removing component 62, the material removing component 62 comprises an electric driving rotating shaft 621, the outer side of the electric driving rotating shaft 621 is fixedly provided with an outer cylinder 622, the diameter of the outer cylinder 622 is larger than the depth of the through grooves 61, the upper end of the outer cylinder 622 is provided with square cutter structures 623, the square cutter structures 623 are provided with two groups, the square cutter structures 623 of the two groups are oppositely arranged, the square cutter structures 623 comprise square blocks 6231 fixedly connected with the outer cylinder 622, the lower end of each square block 6231 is provided with an embedded groove 6233, the inside of each embedded groove 6233 is movably provided with square blades 6232, the inside of square piece 6231 still is provided with flexible pushing post 6234, flexible pushing post 6234 one end and square blade 6232 fixed connection, square blade 6232 front end is provided with pointed end piece 6238, barrel cavity 6235 has been seted up to square piece 6231's inside upper end, barrel cavity 6235 lower extreme has been seted up bar chamber 6236, the inside of gomphosis groove 6233 is provided with sheet rubber 6237, sheet rubber 6237 lower extreme and pointed end piece 6238 contact, bar chamber 6236 includes the solenoid valve 62361 that is connected with barrel cavity 6235, bar chamber 6236 still includes and sets up at its inside bar inclined chamber 62362 and spill mouth 62363, bar inclined chamber 62362 sets up two sets of, spill mouth 62363 sets up the multiunit, the spill mouth 62363 of multiunit is linked together with bar inclined chamber 62362.
Specifically, the second printing platform 6 is arranged in the machine case 1 in a lifting manner, after the object is printed on the upper end of the second printing platform 6, the object is stuck to the ground, at this time, the electric driving rotary shaft 621 drives the outer cylinder 622 and the square cutter structure 623 to rotate, at this time, the square cutter blade 6232 is in contact with the upper end of the second printing platform 6, lubricating oil in the cylinder cavity 6235 is released through the electromagnetic valve 62361, so that the lubricating oil is uniformly sprayed out from the leakage ports 62363 of the plurality of groups through the strip-shaped inclined cavities 62362, at this time, the lubricating oil is uniformly dropped to one end of the strip-shaped cavities 6236, which is close to the tip piece 6238, the telescopic pushing column 6234 stretches out to drive the tip piece 6238 to move, the tip piece 6238 is full of the lubricating oil through the strip-shaped cavities 6236, namely, the four groups of tip pieces 6238 move to the bottom end of the printed object, the printed object is separated from the upper end of the second printing platform 6, and damage to the bottom of the printed object is avoided when people take the printed object.
In order to solve the technical problem that the conventional FDM type 3D printer is inconvenient to display the printing progress through a screen, as shown in fig. 10 to 11, the following preferred technical scheme is provided:
The controller module 8 is electrically connected with the motor sensing module 81, the motor sensing module 81 is electrically connected with the angle detecting unit 82 and the speed detecting unit 83, the scanning module 7 is electrically connected with the geometric repairing unit 71, the slicing unit 72 and the dense calculating unit 73, the dense calculating unit 73 is electrically connected with the temperature control unit 74, the motion track unit 75, the nozzle flow unit 76 and the model correcting unit 77, the scanning module 7 is used for scanning objects and converting the objects into 3D model files, such as STL, OBJ and other formats, the angle detecting unit 82 and the speed detecting unit 83 are used for detecting the rotation angle and the speed of the first meshing wheel 42, the controller module 8 is used for receiving the information of the rotation angle and the speed of the first meshing wheel 42 and calculating the position of the printing head assembly 32 so as to determine the printing progress, the information displaying module 9 is used for displaying the printing progress information on a screen, the geometric repairing unit 71 is used for geometrically repairing an original three-dimensional model, the slicing unit 72 is used for dividing the repaired three-dimensional model into a series of horizontal layers, the temperature control unit 74 is used for controlling melting points, softening temperatures and transition temperature parameters of different materials during printing, the transition temperature parameters are used for controlling the motion track 75, the nozzle flow rate of the nozzle assembly 76 is used for accurately correcting the geometric correcting the shape of the printing head assembly 32 when the printing head assembly is used for accurately correcting the original three-dimensional model.
Specifically, the scanning module 7 scans the object to be printed, the geometric repairing unit 71 performs geometric repairing on the original three-dimensional model to form a proper printing model, for example, removing internal cavities, adjusting wall thickness and the like, the slicing unit 72 divides the repaired three-dimensional model into a series of horizontal layers, and generates G codes for each layer, wherein the G codes comprise parameters of the motion track of the printhead assembly 32, the speed, the temperature, the flow and the like of the nozzle, so that the printer sequentially executes, the temperature control unit 74 controls the parameters of melting points, softening temperatures, transition temperatures and the like of different materials to ensure that the materials output by the printhead assembly 32 are in a correct state, performs complex heat conduction calculation, and executes after parameters of the thermal diffusion coefficient, the thermal conductivity and the like of the materials, the print head assembly 32 is moved according to a predetermined path by the motion trail unit 75, the distance and speed of the nozzles are adjusted, the materials are stacked layer by layer, high-precision geometric calculation is performed, the matrix transformation, vector calculation, three-dimensional curved surface interpolation and the like are performed, the flow rate of the nozzles is adjusted by the nozzle flow unit 76, the uniformity of the ejected materials is guaranteed, the viscosity, viscosity and other parameters of the materials are calculated, the dynamic adjustment is performed for different printing speeds and material characteristics, the original three-dimensional model is corrected by the model correction unit 77, the correctness of the geometric shape is guaranteed, the parameters such as scanning errors, object scaling and wall thickness are calculated, after the objects are scanned, the parameters are usually required to be converted into 3D model files, such as STL, OBJ and other formats, the 3D model files are converted into G codes in the 3D printing process, the G code contains a series of instructions required by the printer controller, such as moving the position of the print head, controlling the amount of material ejected by the print head, etc., so that during printing, the controller module 8 controls the first meshing wheel 42 to rotate according to the G code instructions, the angle and speed of rotation of the first meshing wheel 42 can be detected by the angle detecting unit 82 and the speed detecting unit 83, the motor sensing module 81 converts these information into digital signals and feeds the digital signals back to the controller module 8, and the controller module 8 uses these information to calculate the position of the print head assembly 32, so as to determine the printing progress, and at the same time, the printer also displays the printing progress information on the screen through the information display module 9 during printing, so that the user can observe conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. FDM type 3D printer that can show model printing progress, including quick-witted case (1) and activity setting at the inside upper end of quick-witted case (1) remove guide rail strip (2), its characterized in that: the upper end inner wall of the chassis (1) is further provided with a transmission assembly (4), the transmission assembly (4) comprises a fixed motor (41) fixedly arranged at the inner upper end of the chassis (1), the fixed motor (41) is connected with an output shaft and provided with a first meshing wheel (42), the first meshing wheel (42) is arranged at the same horizontal position, a second meshing wheel (43) is arranged at the lower end of the second meshing wheel (43), the outer sides of the first meshing wheel (42) and the third meshing wheel (44) are meshed and provided with a rotary toothed belt (421), the device is provided with a scanning module (7), a controller module (8) and an information display module (9), the rotary toothed belt (421) is driven to rotate through rotation of the first meshing wheel (42), lateral movement of the lateral movement mechanism (3) is controlled, the lateral movement mechanism (3) is controlled to move along an oblique route through independent movement of the moving guide rail (2), and longitudinal movement of the lateral movement mechanism (3) is controlled under the rotating fit of the moving guide rail (2) and the rotary toothed belt (421), and the information display module (9) is controlled to display progress through the scanning module (7) and the controller module (8) and the information display module (9);
The inside of the case (1) is provided with a second printing platform (6) in a lifting manner, two sides of the second printing platform (6) are provided with penetrating grooves (61), the interiors of the penetrating grooves (61) are provided with material removing components (62), the material removing components (62) comprise electric driving rotating shafts (621), the outer sides of the electric driving rotating shafts (621) are provided with outer cylinders (622), the diameter of the outer cylinders (622) is larger than the depth of the penetrating grooves (61), the upper ends of the outer cylinders (622) are provided with square cutter structures (623), the square cutter structures (623) are provided with two groups, the square cutter structures (623) of the two groups are oppositely arranged, each square cutter structure (623) comprises a square block (6231) fixedly connected with the outer cylinder (622), the lower ends of the square blocks (6231) are provided with embedded grooves (6233), and square cutters (6232) are movably arranged in the embedded grooves (6233). The inside of the square block (6231) is also provided with a telescopic pushing column (6234), one end of the telescopic pushing column (6234) is fixedly connected with the square blade (6232), the front end of the square blade (6232) is provided with a tip piece (6238), the upper end of the inside of the square block (6231) is provided with a cylinder cavity (6235), the lower end of the cylinder cavity (6235) is provided with a strip cavity (6236), the inside of the jogging groove (6233) is provided with a rubber piece (6237), and the lower end of the rubber piece (6237) is contacted with the tip piece (6238);
The strip-shaped cavity (6236) comprises an electromagnetic valve (62361) connected with the cylinder cavity (6235), the strip-shaped cavity (6236) further comprises a strip-shaped inclined cavity (62362) and a leakage opening (62363) which are arranged in the strip-shaped cavity, the strip-shaped inclined cavity (62362) is provided with two groups, the leakage opening (62363) is provided with a plurality of groups, and the leakage openings (62363) of the groups are communicated with the strip-shaped inclined cavity (62362);
the controller module (8) is electrically connected with the motor sensing module (81), the motor sensing module (81) is electrically connected with the angle detection unit (82) and the speed detection unit (83), the scanning module (7) is electrically connected with the geometric repairing unit (71), the slicing unit (72) and the intensive computing unit (73), and the intensive computing unit (73) is electrically connected with the temperature control unit (74), the movement track unit (75), the nozzle flow unit (76) and the model correction unit (77);
The scanning module (7) is used for scanning the article and converting the article into a 3D model file, the angle detection unit (82) and the speed detection unit (83) are used for detecting the rotation angle and the speed of the first meshing wheel (42), the controller module (8) is used for receiving the information of the rotation angle and the speed of the first meshing wheel (42), the position of the printing head assembly (32) is calculated, so that the printing progress is determined, and the information display module (9) is used for displaying the printing progress information on a screen.
2. The FDM type 3D printer capable of displaying a model print progress according to claim 1, wherein: the case (1) comprises guide rail bars (11) arranged on the inner walls of the two sides of the case (1), a structural bar (12) is further arranged at the upper end of the case (1), one side of the structural bar (12) is provided with fixing bars (121), the fixing bars (121) are provided with two groups, limiting bar grooves (122) are formed in the fixing bars (121) of the two groups, and telescopic columns (123) are fixedly arranged on the inner walls of the limiting bar grooves (122).
3. The FDM type 3D printer capable of displaying a model print progress according to claim 1, wherein: the transmission assembly (4) further comprises a fourth meshing wheel (45) and a seventh meshing wheel (48) which are movably arranged at two ends of the movable guide rail (2), a sixth meshing wheel (47), an eighth meshing wheel (49) and a ninth meshing wheel (46) are arranged at opposite positions of the first meshing wheel (42), the second meshing wheel (43) and the third meshing wheel (44), a fourth toothed belt (471) is arranged on the outer side of the sixth meshing wheel (47) in a meshing mode, the fourth toothed belt (471) is meshed with the ninth meshing wheel (46), a fifth meshing wheel (451) is arranged at the lower end of the fourth meshing wheel (45) in a connecting shaft connection mode, the fifth meshing wheel (451) is arranged at the lower end of the movable guide rail (2), and the fifth meshing wheel (451) is meshed with the outer side of the rotary toothed belt (421).
4. A 3D printer of the FDM type displaying the progress of printing a model according to claim 3, wherein: the transverse moving mechanism (3) comprises a connecting component (31) and a printing head assembly (32) which is arranged at the lower end of the moving guide rail (2) in a sliding mode, one end of the connecting component (31) is connected with the inner wall of the upper end of the chassis (1), the other end of the connecting component is connected with the printing head assembly (32), a first toothed belt (33) and a second toothed belt (34) are fixedly arranged at the upper end of the printing head assembly (32), the inner side of the second toothed belt (34) is meshed with a fourth meshing wheel (45) and a second meshing wheel (43), one end of the second toothed belt (34) is provided with a first jogging head (341), the inner side of the first toothed belt (33) is meshed with a seventh meshing wheel (48) and an eighth meshing wheel (49), one end of the first toothed belt (33) is provided with a second jogging head (331), the first jogging head (341) and the second jogging head (331) are correspondingly meshed in limiting bar grooves (122) of two groups, and one ends of the first jogging head (341) and the second jogging head (331) are fixedly connected with telescopic columns (123) of the corresponding groups.
5. The FDM type 3D printer capable of displaying a model print progress according to claim 4, wherein: the geometric restoration unit (71) is used for geometrically restoring an original three-dimensional model, the slicing unit (72) is used for dividing the restored three-dimensional model into a series of horizontal layers, the temperature control unit (74) is used for controlling the melting point, softening temperature and transition temperature parameters of different materials during printing, the movement track unit (75) is used for controlling the printing head assembly (32) to move according to a preset path, the nozzle flow unit (76) is used for controlling the flow of the nozzle of the printing head assembly (32) during printing, the model correction unit (77) is used for correcting the original three-dimensional model before printing, and the accuracy of geometric shapes is guaranteed.
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| EP2724844A1 (en) * | 2012-10-25 | 2014-04-30 | Tools and Technologies GmbH | Device for the layered production of a moulding |
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