CN112373027A - Compound 3D that extrudes prints shower nozzle and 3D printer - Google Patents
Compound 3D that extrudes prints shower nozzle and 3D printer Download PDFInfo
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- CN112373027A CN112373027A CN202011211305.9A CN202011211305A CN112373027A CN 112373027 A CN112373027 A CN 112373027A CN 202011211305 A CN202011211305 A CN 202011211305A CN 112373027 A CN112373027 A CN 112373027A
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- Prior art keywords
- inner cavity
- printer
- sls
- fdm
- shell
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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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
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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
- B29C64/295—Heating elements
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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
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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
- 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
- B29C64/321—Feeding
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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
- 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
-
- 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
Abstract
The invention discloses a composite extrusion 3D printing nozzle and a 3D printer, which comprise: the device comprises a printer shell, a controller, a double-shaft moving mechanism, an FDM printing spray head, an SLS printing spray head, a moving platform and an SLS material storage mechanism; the controller is arranged at the lower right part of the front side of the printer shell; the double-shaft moving mechanism is arranged at the top end of the inner cavity of the printer shell along the up-down direction; the FDM printing spray head is arranged at the moving end of the double-shaft moving mechanism; the SLS printing spray head is arranged on the left side of the FDM printing spray head; moving platform installs printer housing's inner chamber bottom, SLS material storage mechanism sets up printer housing's right side bottom. This compound 3D that extrudes prints shower nozzle and 3D printer can make 3D printer and SLS and FDM technology shaping material all can the looks adaptation, improves the device suitability to can use two kinds of different materials of SLS and FDM respectively to print as required, easy operation, the practicality is strong.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a composite extrusion 3D printing nozzle and a 3D printer.
Background
3D printing (3DP), one of the rapid prototyping technologies, is a technology for constructing an object by layer-by-layer printing using an adhesive material such as powdered metal or plastic based on a digital model file, and 3D printing is generally implemented using a digital technical material printer, and is generally used to manufacture models in the fields of mold manufacturing, industrial design, and the like, and then gradually used for direct manufacturing of some products, and there are already parts printed using this technology, which are applied to the fields of jewelry, footwear, industrial design, construction, engineering and construction (AEC), automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and others;
in the prior art, the 3D printer can only adapt SLS or FDM wherein a single technology shaping material prints as printing raw materials, and the suitability is relatively poor, leads to using the 3D printer that the looks adaptation need be used when different materials print, and the operation is comparatively troublesome, to above-mentioned problem, we propose a compound 3D that extrudes and print shower nozzle and 3D printer.
Disclosure of Invention
The invention aims to provide a composite extrusion 3D printing nozzle and a 3D printer, and at least solves the problems that the 3D printer in the prior art can only be matched with a single process forming material of SLS or FDM to be used as a printing raw material for printing, the applicability is poor, the matched 3D printer needs to be used when different materials are used for printing, and the operation is troublesome.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a compound 3D who extrudes prints shower nozzle and 3D printer, includes:
a printer housing;
a controller mounted at a front right lower portion of the printer housing;
the double-shaft moving mechanism is arranged at the top end of the inner cavity of the printer shell along the vertical direction and is electrically connected with the controller;
the FDM printing spray head is arranged at the moving end of the double-shaft moving mechanism;
the SLS printing spray head is arranged on the left side of the FDM printing spray head;
the mobile platform is arranged at the bottom end of the inner cavity of the printer shell and is electrically connected with the controller;
SLS material storage mechanism sets up the right side bottom of printer housing.
Preferably, the FDM print head includes: the FDM printing spray head comprises an FDM printing spray head shell, a guide pipe, a first motor, a squeezing roller and a limiting roller; the FDM printing spray head shell is arranged at the moving end of the double-shaft moving mechanism; the guide pipe is arranged at the center of the top end of the FDM printing spray head shell, and the bottom end of the guide pipe extends into an inner cavity of the FDM printing spray head shell; the first motor is arranged on the front side of the FDM printing spray head shell along the front-back direction, the back side of the first motor extends into an inner cavity of the FDM printing spray head shell, and the first motor is electrically connected with the controller; the extrusion roller is connected with the output end of the first motor through a screw and is positioned on the left side below the guide pipe; spacing roller passes through the round pin hub rotation to be connected the inner chamber front side of FDM printing shower nozzle casing, spacing roller is located the right side of squeeze roll and corresponds position department and set up with the squeeze roll clearance.
Preferably, the FDM print head further includes: the first heat conduction pipe, the first heating device, the nozzle, the cooling fan and the guide pipe are arranged on the first heat conduction pipe; the first heat conduction pipe is arranged at the position, corresponding to the guide pipe, of the bottom end of the FDM printing spray head shell in the vertical direction, and the top end of the first heat conduction pipe extends into an inner cavity of the FDM printing spray head shell; the first heating device is sleeved on the outer wall of the first heat conduction pipe and is electrically connected with the controller; the nozzle is screwed at the bottom end of the first heat conduction pipe; the heat dissipation fan is arranged on the front side of the FDM printing spray head shell through a support and located at a corresponding position, and the heat dissipation fan is electrically connected with the controller; the guide pipe is arranged at the top end of the outer wall of the nozzle, and one end of the inner cavity of the guide pipe is communicated with the inner cavity of the nozzle.
Preferably, the SLS printing head further includes: the device comprises a fixed frame, a storage cabin, a second heat conduction pipe, a second motor, a first spiral conveying rod, a second heating device and a connecting pipe; the fixed frame is arranged on the left side of the FDM printing spray head shell along the vertical direction; the storage cabin is arranged above the inner cavity of the fixing frame, and the bottom end of the inner cavity of the storage cabin is downwards inclined from outside to inside; the second heat conduction pipe is arranged at the bottom end of the storage cabin along the vertical direction, and the top end of the inner cavity of the second heat conduction pipe is communicated with the bottom end of the inner cavity of the storage cabin; the second motor is arranged at the top end of the fixed frame along the vertical direction, the output end of the second motor penetrates through the upper surface of the fixed frame and extends into the inner cavity of the storage cabin, and the second motor is electrically connected with the controller; the first spiral conveying rod is connected to the output end of the second motor through screws in the vertical direction, and the bottom end of the first spiral conveying rod extends into the inner cavity of the second heat-conducting pipe; the second heating device is sleeved on the outer wall of the second heat conduction pipe, and the second heat conduction pipe is electrically connected with the controller; one end of the connecting pipe is in threaded connection with the bottom end of the second heat conducting pipe, and the other end of the connecting pipe is in threaded connection with the other end of the inner cavity of the guide pipe.
Preferably, the SLS material storage mechanism includes: the SLS material storage mechanism comprises an SLS material storage mechanism shell, a heater, a melting pump, a third motor and a second spiral conveying rod; the SLS material storage mechanism shell is arranged at the right bottom end of the printer shell, the longitudinal section of the bottom end of the inner cavity of the SLS material storage mechanism shell is arc-shaped, and the front side and the rear side of the inner cavity of the SLS material storage mechanism shell are arranged in a downward inclined mode from outside to inside; the number of the heaters is two, the two heaters are respectively arranged on the front side and the rear side of the SLS material storage mechanism shell, the inner side of each heater extends into an inner cavity of the SLS material storage mechanism shell, and the heaters are electrically connected with the controller; the melting pump is installed on the left side of the top end of the inner cavity of the SLS material storage mechanism shell in the vertical direction, a feeding hole of the melting pump extends into the bottom end of the inner cavity of the SLS material storage mechanism shell, a discharging hole of the melting pump is connected with one end of a guide pipe in a threaded mode, the other end of the guide pipe extends into the inner cavity of the storage cabin, and the melting pump is electrically connected with the controller; the third motor is arranged at the center of the bottom end of the right side of the inner cavity of the SLS material storage mechanism shell, the output end of the third motor extends into the bottom end of the right side of the inner cavity of the SLS material storage mechanism shell, and the third motor is electrically connected with the controller; and the second spiral conveying rod is in threaded connection with the output end of the third motor along the left-right direction.
Preferably, the SLS material storage mechanism further includes: a storage tank and an electromagnetic valve; the storage box is arranged on the right side of the top end of the inner cavity of the SLS material storage mechanism shell in the vertical direction, and the bottom end of the storage box extends into the right side of the top end of the inner cavity of the SLS material storage mechanism shell; the electromagnetic valve is arranged at the bottom end of the inner cavity of the storage box and is electrically connected with the controller.
Preferably, the printer housing further comprises: FDM material roller installs the left side of printer casing, the outer wall from interior to exterior of FDM material roller twines the one end that has FDM fuse wire material in proper order, and the inner chamber of the inner chamber that the other end of fuse wire material runs through the guiding tube and inserts first heat pipe, the outer wall of squeeze roll and spacing roller contacts with the outer wall of FDM fuse wire material.
Compared with the prior art, the invention has the beneficial effects that: the composite extrusion 3D printing nozzle and the 3D printer drive the extrusion roller to rotate through the first motor, so that FDM fuse wire raw materials enter the inner cavity of the first heat conduction pipe under the action of friction force of the extrusion roller, the first heating device heats the inner cavity of the first heat conduction pipe to heat the FDM fuse wire raw materials into a molten state, the FDM raw materials in the molten state are discharged along the nozzle to be printed, the solenoid valve is driven by the motor inside the solenoid valve to open, so that SLS powder raw materials inside the storage box enter the bottom end of the inner cavity of the SLS material storage mechanism shell and enter the blade gap of the second spiral conveying rod under the action of gravity, the third motor drives the second spiral conveying rod to rotate, the SLS powder raw materials at the blade gap of the second spiral conveying rod are driven to move to the left side under the action of the second spiral conveying rod, the heater heats the inner cavity of the SLS material storage mechanism shell to heat the SLS powder raw materials to form a molten state liquid in the moving process, the melting pump is gone into the molten state pump to storage cabin inner chamber, clockwise rotation through the first auger delivery pole of second motor drive, and make molten state liquid get into to the second heat pipe inner chamber under the effect of rotatory power, second heating device heats the second heat pipe in order to prevent that molten state liquid from cooling and solidifying, molten state liquid passes the second heat pipe in proper order, the connecting pipe with connect the lead pipe and print by the nozzle discharge, thereby can make 3D printer and SLS and FDM process forming material all can the looks adaptation, the improvement device suitability, and can use two kinds of different materials of SLS and FDM respectively to print as required, and the steam generator is simple in operation, therefore, the clothes hanger is strong in practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the FDM print head of FIG. 1;
FIG. 3 is an exploded view of the SLS print head of FIG. 1;
FIG. 4 is an exploded view of the SLS storage mechanism of FIG. 1
In the figure: 1. printer shell, 2, controller, 3, biax moving mechanism, 4, FDM printing shower nozzle, 41, FDM printing shower nozzle shell, 42, guide tube, 43, first motor, 44, squeeze roll, 45, spacing roller, 46, first heat pipe, 47, first heating device, 48, nozzle, 49, radiator fan, 410, take-over pipe, 5, SLS printing shower nozzle, 51, mount, 52, storage cabin, 53, second heat pipe, 54, second motor, 55, first spiral conveying rod, 56, second heating device, 57, connecting pipe, 6, moving platform, 7, SLS material storage mechanism, 71, SLS material storage mechanism shell, 72, heater, 73, melting pump, 74, third motor, 75, second spiral conveying rod, 76, storage box, 77, solenoid valve, 8, FDM material roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a compound 3D who extrudes prints shower nozzle and 3D printer, includes: the device comprises a printer shell 1, a controller 2, a double-shaft moving mechanism 3, an FDM printing spray head 4, an SLS printing spray head 5, a moving platform 6 and an SLS material storage mechanism 7; the controller 2 is installed at the right lower part of the front side of the printer shell 1, the controller 2 is directly purchased from the market and installed and used according to the actual use requirement, and a starting program is preset in the controller 2 and can sequentially control the starting of electric devices in the device; the double-shaft moving mechanism 3 is installed at the top end of an inner cavity of the printer shell 1 in the vertical direction, the double-shaft moving mechanism 3 is electrically connected with the controller 2, the specific usage model of the double-shaft moving mechanism 3 is directly purchased, installed and used from the market according to the actual usage requirement, and the double-shaft moving mechanism 3 can control and drive the FDM printing nozzle 4 and the SLS printing nozzle 5 to move in the vertical direction and the left-right horizontal direction through a preset program in the controller 2; the FDM printing nozzle 4 is arranged at the moving end of the double-shaft moving mechanism 3; the SLS printing nozzle 5 is arranged on the left side of the FDM printing nozzle 4; the mobile platform 6 is installed at the bottom end of the inner cavity of the printer shell 1, the mobile platform 6 is electrically connected with the controller 2, the specific use model of the mobile platform 6 is directly purchased, installed and used from the market according to the actual use requirement, and the mobile platform 6 can control a motor inside the controller 2 to drive an upper working platform to move in the front-back horizontal direction below the FDM printing spray head 4 and the SLS printing spray head 5; the SLS material storage mechanism 7 is arranged at the bottom end of the right side of the printer shell 1.
Preferably, the FDM printing head 4 further includes: an FDM printing head housing 41, a guide pipe 42, a first motor 43, a squeeze roller 44, and a limit roller 45; the FDM printing spray head shell 41 is arranged at the moving end of the double-shaft moving mechanism 3; the guide pipe 42 is arranged at the center of the top end of the FDM printing nozzle housing 41, and the bottom end of the guide pipe 42 extends into the inner cavity of the FDM printing nozzle housing 41; the first motor 43 is installed at the front side of the FDM printing nozzle shell 41 along the front-back direction, the back side of the first motor 43 extends into the inner cavity of the FDM printing nozzle shell 41, the first motor 43 is electrically connected with the controller 2, the specific usage model of the first motor 43 is directly purchased, installed and used from the market according to the actual usage requirement, and the first motor 43 can be controlled by the preset program in the controller 2 to drive the squeeze roller 44 to rotate clockwise; the extrusion roller 44 is in screw connection with the output end of the first motor 43 and is positioned on the left side below the guide pipe 42, and a rubber sleeve with texture is adhered to the outer wall of the extrusion roller 44 to increase the friction force with the FDM fuse wire material; spacing roller 45 rotates through the round pin axle and connects in the inner chamber front side that FDM printed shower nozzle casing 41, and spacing roller 45 is located the right side of squeeze roll 44 and corresponds position department and set up with squeeze roll 44 clearance, and the spout with FDM fuse material external diameter looks adaptation is seted up along circumference to the outer wall of spacing roller 45, can play the limiting displacement to FDM fuse material.
Preferably, the FDM printing head 4 further includes: the first heat conduction pipe 46, the first heating device 47, the nozzle 48, the heat radiation fan 49 and the lead pipe 410; the first heat pipe 46 is arranged at the corresponding position of the bottom end of the FDM printing nozzle shell 41 and the guide pipe 42 along the up-down direction, the top end of the first heat pipe 46 extends into the inner cavity of the FDM printing nozzle shell 41, the first heat pipe 46 is made of a heat conducting material, and the heat conductivity of the first heat pipe 46 is good; the first heating device 47 is sleeved on the outer wall of the first heat conduction pipe 46, the first heating device 47 is electrically connected with the controller 2, the specific usage model of the first heating device 47 is directly purchased, installed and used from the market according to the actual usage requirement, and the first heating device 47 can be controlled by a preset program in the controller 2 to heat the inner cavity of the first heat conduction pipe 46 so as to change the FDM fuse raw material into a molten state; the nozzle 48 is screwed on the bottom end of the first heat conduction pipe 46; the heat radiation fan 49 is installed on the front side of the FDM printing spray head shell 41 through a support and located at the corresponding position of 28, the heat radiation fan 49 is electrically connected with the controller 2, the specific use model of the heat radiation fan 49 is directly purchased, installed and used from the market according to the actual use requirement, the heat radiation fan 49 can be controlled by a preset program in the controller 2, and the heat radiation fan 49 can cool the nozzle 48 after printing is finished; the lead connecting pipe 410 is arranged at the top end of the outer wall of the nozzle 48, one end of the inner cavity of the lead connecting pipe 410 is communicated with the inner cavity of the nozzle 48, and the lead connecting pipe 410 is made of high-temperature-resistant heat-insulating materials and can play a role in heat insulation of SLS materials in a molten state.
Preferably, the SLS print head 5 further includes: the device comprises a fixed frame 51, a material storage cabin 52, a second heat pipe 53, a second motor 54, a first spiral conveying rod 55, a second heating device 56 and a connecting pipe 57; the fixed frame 51 is installed on the left side of the FDM printing nozzle housing 41 in the up-down direction; the storage cabin 52 is arranged above the inner cavity of the fixing frame 51, and the bottom end of the inner cavity of the storage cabin 52 is inclined downwards from outside to inside; the second heat conduction pipe 53 is arranged at the bottom end of the storage cabin 52 along the up-down direction, the top end of the inner cavity of the second heat conduction pipe 53 is communicated with the bottom end of the inner cavity of the storage cabin 52, and the second heat conduction pipe 53 is made of a heat conduction material and has good self heat conduction; the second motor 54 is arranged at the top end of the fixed frame 51 along the up-down direction, the output end of the second motor 54 penetrates through the upper surface of the fixed frame 51 and extends into the inner cavity of the storage cabin 52, the second motor 54 is electrically connected with the controller 2, the specific usage model of the second motor 54 is directly purchased, installed and used from the market according to the actual usage requirement, and the second motor 54 can be controlled by a preset program in the controller 2 to drive the first spiral conveying rod 55 to rotate clockwise; the first spiral conveying rod 55 is screwed to the output end of the second motor 54 along the up-down direction, and the bottom end of the first spiral conveying rod 55 extends into the inner cavity of the second heat conduction pipe 53; the second heating device 56 is sleeved on the outer wall of the second heat conduction pipe 53, the second heat conduction pipe 53 is electrically connected with the controller 2, the type of the second heating device 56 is directly purchased, installed and used from the market according to the actual use requirement, and the second heating device 56 can be controlled by a preset program in the controller 2 to heat the second heat conduction pipe 53 so as to prevent the liquid in the molten state from cooling and solidifying; one end of the connection pipe 57 is screwed to the bottom end of the second heat pipe 53, and the other end of the connection pipe 57 is screwed to the other end of the inner cavity of the connection pipe 410.
As a preferred scheme, further, the SLS material storage mechanism 7 includes: SLS material storage mechanism housing 71, heater 72, melt pump 73, third motor 74, and second auger screw 75; the SLS material storage mechanism shell 71 is arranged at the right bottom end of the printer shell 1, the longitudinal section of the bottom end of the inner cavity of the SLS material storage mechanism shell 71 is arc-shaped, and the front side and the rear side of the inner cavity of the SLS material storage mechanism shell 71 are obliquely arranged from outside to inside; the number of the heaters 72 is two, the two heaters 72 are respectively arranged on the front side and the rear side of the SLS material storage mechanism shell 71, the inner side of each heater 72 extends into the inner cavity of the SLS material storage mechanism shell 71, the heaters 72 are electrically connected with the controller 2, the specific usage model of each heater 72 is directly purchased, installed and used from the market according to actual usage requirements, and the heaters 72 can be controlled by a preset program in the controller 2 to heat the inner cavity of the SLS material storage mechanism shell 71; the melting pump 73 is installed on the left side of the top end of the inner cavity of the SLS material storage mechanism shell 71 in the vertical direction, a feeding hole of the melting pump 73 extends into the bottom end of the inner cavity of the SLS material storage mechanism shell 71, a discharging hole of the melting pump 73 is in threaded connection with one end of a guide pipe, the other end of the guide pipe extends into the inner cavity of the storage cabin 52, the melting pump 73 is electrically connected with the controller 2, the specific use model of the melting pump 73 is directly purchased and installed from the market and used according to actual use requirements, the melting pump 73 can be controlled by a preset program in the controller 2 and can suck molten liquid in the inner cavity of the SLS material storage mechanism shell 71 into a pump chamber per se for pressurization, and the pressurized molten liquid is pumped into the inner cavity of the storage; the third motor 74 is installed at the center of the right bottom end of the inner cavity of the SLS material storage mechanism casing 71, the output end of the third motor 74 extends into the right bottom end of the inner cavity of the SLS material storage mechanism casing 71, the third motor 74 is electrically connected with the controller 2, the third motor 74 is specifically purchased and installed and used from the market directly according to actual use requirements, and the third motor 74 can be controlled by a preset program in the controller 2 to drive the second spiral conveying rod 75 to rotate clockwise; the second screw conveyor 75 is screwed to the output end of the third motor 74 in the left-right direction.
As a preferred scheme, further, the SLS material storage mechanism 7 further includes: a storage tank 76 and a solenoid valve 77; the storage box 76 is arranged on the right side of the top end of the inner cavity of the SLS material storage mechanism shell 71 in the vertical direction, the bottom end of the storage box 76 extends into the right side of the top end of the inner cavity of the SLS material storage mechanism shell 71, and SLS materials can be stored in the storage box 76; solenoid valve 77 sets up the inner chamber bottom at storage case 76, solenoid valve 77 and 2 electric connection of controller, and solenoid valve 77 specifically uses the model to require directly to purchase the installation and use from the market according to actual use, and solenoid valve 77 can be controlled self inside motor drive valve by the inside preset program of controller 2 and open to make the inside SLS powder raw materials of storage case 76 enter into SLS material storage mechanism casing 71 inner chamber under the action of gravity.
Preferably, the printer housing 1 further includes: FDM material roller 8, install the left side at printer housing 1, FDM material roller 8's outer wall from interior to exterior twines the one end that has FDM fuse wire material in proper order, and fuse wire material's the other end runs through the inner chamber of guide tube 42 and inserts the inner chamber of first heat pipe 46, squeeze roll 44 and spacing roller 45's outer wall contacts with FDM fuse wire material's outer wall, FDM fuse wire material can be deposited to FDM material roller 8's outside, and make FDM fuse wire material drive FDM material roller 8 outside drum rotation under squeeze roll 44 frictional force and realize even steady unwrapping wire.
All the electrical components in the present application can be connected with an external adaptive power supply through a wire, and an adaptive external controller should be selected to connect according to specific actual use conditions to meet the control requirements of all the electrical components, and the specific connection mode and the control sequence thereof should be referred to in the following working principle that the electrical components are electrically connected in sequence, the detailed connection means thereof is a known technology in the art and is not described, and the following main description of the working principle and the process specifically works as follows.
When the FDM fuse wire printing machine is used, a user loads an SLS powder raw material into the material storage box 76 in advance, when printing is performed, the user controls the controller 2 to be started, a preset program in the controller 2 controls the double-shaft moving mechanism 3 and the moving platform 6 to be started in sequence, the double-shaft moving mechanism 3 drives the FDM printing spray head 4 and the SLS printing spray head 5 to move in the vertical direction and the left-right horizontal direction, a motor in the moving platform 6 drives an upper working platform to move in the front-back horizontal direction below the FDM printing spray head 4 and the SLS printing spray head 5, when the FDM fuse wire raw material is required to be used for printing, the preset program in the controller 2 controls the first motor 43 and the first heating device 47 to be started in sequence, the first motor 43 drives the extrusion roller 44 to rotate clockwise, so that the FDM fuse wire raw material moves under the friction force action of the extrusion roller 44 and the limiting action of the limiting roller, first heating device 47 heats the cavity of first heat pipe 46 to heat the FDM fuse material into molten state, the molten FDM material is discharged along nozzle 48 to print, when SLS powder material is needed to print, controller 2 internally preset program sequentially controls solenoid valve 77, third motor 74, heater 72, melt pump 73, second motor 54 and second motor 56 are sequentially started, solenoid valve 77 internally driven by motor opens, SLS powder material in storage box 76 enters into SLS material storage mechanism shell 71 cavity under the action of gravity, and slides to SLS material storage mechanism shell 71 cavity bottom along the SLS material storage mechanism shell 71 inner wall and enters into second screw conveying rod 75 blade gap, third motor 74 drives second screw conveying rod 75 to clockwise rotate, make SLS powder material in second screw conveying rod 75 blade gap along SLS material storage mechanism shell 71 cavity bottom under the action of second screw conveying rod 75 rotating force Moving to the left, starting a fan inside the front and rear heaters 72 to heat the inner cavity of the SLS material storage mechanism housing 71, so that the SLS powder raw material is heated to form molten liquid in the moving process, sucking the molten liquid in the inner cavity of the SLS material storage mechanism housing 71 into a pump chamber of the SLS material storage mechanism housing 71 by a melting pump 73 to pressurize, pumping the pressurized molten liquid into the inner cavity of the storage bin 52 along a conduit, driving the first spiral conveying rod 55 to rotate clockwise by the second motor 54, and making the molten liquid enter the inner cavity of the second heat pipe 53 under the action of the rotation force, heating the second heat pipe 53 by the second heating device 56 to prevent the molten liquid from cooling and solidifying, making the molten liquid enter the connecting pipe 57 along the inner cavity of the second heat pipe 53, and making the molten liquid enter the connecting pipe 57 through the connecting pipe 410 to be discharged into the nozzle 48 for printing, so that the 3D printer can be adapted to both SLS and FDM process molding materials, improve the device suitability to can use two kinds of different materials of SLS and FDM to print respectively as required, easy operation, the practicality is strong.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a compound 3D who extrudes prints shower nozzle and 3D printer, its characterized in that includes:
a printer housing (1);
a controller (2) mounted on the lower right of the front side of the printer housing (1);
the double-shaft moving mechanism (3) is arranged at the top end of the inner cavity of the printer shell (1) along the vertical direction, and the double-shaft moving mechanism (3) is electrically connected with the controller (2);
the FDM printing spray head (4) is arranged at the moving end of the double-shaft moving mechanism (3);
an SLS printing nozzle (5) arranged at the left side of the FDM printing nozzle (4);
the mobile platform (6) is installed at the bottom end of the inner cavity of the printer shell (1), and the mobile platform (6) is electrically connected with the controller (2);
and the SLS material storage mechanism (7) is arranged at the bottom end of the right side of the printer shell (1).
2. The compound extrusion 3D printing nozzle and 3D printer of claim 1, wherein: the FDM print jet (4) comprises:
an FDM printing spray head shell (41) which is arranged at the moving end of the double-shaft moving mechanism (3);
the guide pipe (42) is arranged at the center of the top end of the FDM printing spray head shell (41), and the bottom end of the guide pipe (42) extends into the inner cavity of the FDM printing spray head shell (41);
the first motor (43) is installed on the front side of the FDM printing spray head shell (41) in the front-back direction, the back side of the first motor (43) extends into the inner cavity of the FDM printing spray head shell (41), and the first motor (43) is electrically connected with the controller (2);
the extrusion roller (44) is connected with the output end of the first motor (43) through a screw and is positioned on the left side below the guide pipe (42);
spacing roller (45), rotate through the round pin axle and connect in the inner chamber front side of FDM printing nozzle casing (41), spacing roller (45) are located the right side of squeeze roll (44) and correspond position department and with squeeze roll (44) clearance setting.
3. The compound extrusion 3D printing nozzle and 3D printer of claim 1, wherein: the FDM printing nozzle (4) further comprises:
the first heat conduction pipe (46) is arranged at the position, corresponding to the guide pipe (42), of the bottom end of the FDM printing spray head shell (41) in the vertical direction, and the top end of the first heat conduction pipe (46) extends into the inner cavity of the FDM printing spray head shell (41);
the first heating device (47) is sleeved on the outer wall of the first heat-conducting pipe (46), and the first heating device (47) is electrically connected with the controller (2);
a nozzle (48) screwed to the bottom end of the first heat conductive pipe (46);
the cooling fan (49) is arranged on the front side of the FDM printing spray head shell (41) through a bracket and located at the corresponding position of the cooling fan (28), and the cooling fan (49) is electrically connected with the controller (2);
and the guide pipe (410) is arranged at the top end of the outer wall of the nozzle (48), and one end of the inner cavity of the guide pipe (410) is communicated with the inner cavity of the nozzle (48).
4. The compound extrusion 3D printing nozzle and 3D printer of claim 1, wherein: the SLS print head (5) includes:
the fixing frame (51) is installed on the left side of the FDM printing spray head shell (41) along the vertical direction;
the storage cabin (52) is arranged above the inner cavity of the fixing frame (51), and the bottom end of the inner cavity of the storage cabin (52) is downwards inclined from outside to inside;
the second heat conduction pipe (53) is arranged at the bottom end of the storage cabin (52) along the vertical direction, and the top end of the inner cavity of the second heat conduction pipe (53) is communicated with the bottom end of the inner cavity of the storage cabin (52);
the second motor (54) is arranged at the top end of the fixed frame (51) in the vertical direction, the output end of the second motor (54) penetrates through the upper surface of the fixed frame (51) and extends into the inner cavity of the storage cabin (52), and the second motor (54) is electrically connected with the controller (2);
the first spiral conveying rod (55) is connected to the output end of the second motor (54) through a screw in the vertical direction, and the bottom end of the first spiral conveying rod (55) extends into the inner cavity of the second heat-conducting pipe (53);
the second heating device (56) is sleeved on the outer wall of the second heat conduction pipe (53), and the second heat conduction pipe (53) is electrically connected with the controller (2);
and one end of the connecting pipe (57) is screwed at the bottom end of the second heat-conducting pipe (53), and the other end of the connecting pipe (57) is screwed with the other end of the inner cavity of the guide pipe (410).
5. The compound extrusion 3D printing nozzle and 3D printer of claim 1, wherein: the SLS material storage mechanism (7) comprises:
the SLS material storage mechanism shell (71) is arranged at the bottom end of the right side of the printer shell (1), the longitudinal section of the bottom end of the inner cavity of the SLS material storage mechanism shell (71) is arc-shaped, and the front side and the rear side of the inner cavity of the SLS material storage mechanism shell (71) are arranged in a downward inclined mode from outside to inside;
the number of the heaters (72) is two, the two heaters (72) are respectively arranged at the front side and the rear side of the SLS material storage mechanism shell (71), the inner side of each heater (72) extends into the inner cavity of the SLS material storage mechanism shell (71), and the heaters (72) are electrically connected with the controller (2);
the melting pump (73) is installed on the left side of the top end of the inner cavity of the SLS material storage mechanism shell (71) in the vertical direction, a feeding hole of the melting pump (73) extends into the bottom end of the inner cavity of the SLS material storage mechanism shell (71), a discharging hole of the melting pump (73) is in threaded connection with one end of a guide pipe, the other end of the guide pipe extends into the inner cavity of the storage cabin (52), and the melting pump (73) is electrically connected with the controller (2);
the third motor (74) is installed at the center of the bottom end of the right side of the inner cavity of the SLS material storage mechanism shell (71), the output end of the third motor (74) extends into the bottom end of the right side of the inner cavity of the SLS material storage mechanism shell (71), and the third motor (74) is electrically connected with the controller (2);
and the second spiral conveying rod (75) is screwed on the output end of the third motor (74) along the left-right direction.
6. The composite extrusion 3D printing nozzle and 3D printer according to claim 5, wherein: the SLS material storage mechanism (7) further comprises:
the storage box (76) is arranged on the right side of the top end of the inner cavity of the SLS material storage mechanism shell (71) along the vertical direction, and the bottom end of the storage box (76) extends into the right side of the top end of the inner cavity of the SLS material storage mechanism shell (71);
solenoid valve (77), set up the inner chamber bottom of storage case (76), solenoid valve (77) and controller (2) electric connection.
7. The compound extrusion 3D printing nozzle and 3D printer of claim 1, wherein: the printer housing (1) further comprises:
FDM material roller (8), install the left side of printer casing (1), the outer wall of FDM material roller (8) is from interior to exterior twines the one end that has FDM fuse wire rod in proper order, and the inner chamber of guide tube (42) is run through to the other end of fuse wire rod and insert first heat pipe (46), the outer wall of squeeze roll (44) and spacing roller (45) contacts with the outer wall of FDM fuse wire rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211305.9A CN112373027A (en) | 2020-11-03 | 2020-11-03 | Compound 3D that extrudes prints shower nozzle and 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011211305.9A CN112373027A (en) | 2020-11-03 | 2020-11-03 | Compound 3D that extrudes prints shower nozzle and 3D printer |
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| CN112373027A true CN112373027A (en) | 2021-02-19 |
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Cited By (1)
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| CN116277943A (en) * | 2023-05-17 | 2023-06-23 | 江苏三帝快速制造科技有限公司 | 3D printing device with nozzle anti-blocking function |
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Application publication date: 20210219 |