CN113844029B - Print shower nozzle rotation type 3D printing device - Google Patents
Print shower nozzle rotation type 3D printing device Download PDFInfo
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- CN113844029B CN113844029B CN202111188610.5A CN202111188610A CN113844029B CN 113844029 B CN113844029 B CN 113844029B CN 202111188610 A CN202111188610 A CN 202111188610A CN 113844029 B CN113844029 B CN 113844029B
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- Prior art keywords
- printing
- nozzle
- pipe
- spray head
- bottom end
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a rotary 3D printing device for a printing nozzle, wherein the top end of a nozzle pipe is connected with the bottom end of a discharge pipe, the top end of the nozzle pipe can rotate relative to the bottom end of the discharge pipe, and meanwhile, the inner cavity of the discharge pipe is communicated with the inner cavity of the nozzle pipe; the top end of the printing spray head is connected to the bottom end of the spray head pipe, the inner cavity of the spray head pipe is communicated with the inner cavity of the printing spray head, and the spray nozzle on the printing spray head is a non-circular opening; the extrusion rod sequentially penetrates into the inner cavities of the charging barrel, the discharging pipe and the nozzle pipe, and the top end of the extrusion rod penetrates out of the opening end of the charging barrel to be connected with the extrusion control motor; the transmission mechanism is respectively connected with the printing nozzle control motor and the nozzle pipe, and the printing nozzle control motor drives the nozzle pipe to rotate through the transmission mechanism so as to drive the printing nozzle to rotate. The invention discloses a printing nozzle rotary type 3D printing device, wherein a printing nozzle can rotate, so that the discharging form can be adjusted.
Description
Technical Field
The invention relates to the technical field of concrete 3D printing equipment, in particular to a printing nozzle rotary 3D printing device.
Background
From the development progress of the current concrete 3D printing technology, the concrete 3D printing technology mainly relies on a printing frame body to send an operation command to a hardware control system through a cloth technology by an upper computer, the hardware control system sends a motion command to a driver, and the motion command is sent to a control motor and an extrusion control motor to realize three-dimensional displacement motion of a printing spray head and extrusion of printing materials by signal conversion, wherein the discharge speed of the printing spray head and the discharge form of slurry are closely related to the shape of a discharge hole of the printing spray head.
At present, a printing nozzle in the market is generally fixed and not rotatable, so that a discharging form is limited, a finished product can be finished only by a 3D printing device with nozzles in different shapes, the printing efficiency is seriously affected, and the cost is high.
Moreover, the concrete 3D printing device in the existing market also has the problems that a printing spray head is not detachable and the whole device is difficult to detach, so that the cleaning is inconvenient.
Therefore, how to provide a printing head rotating type 3D printing device capable of rotating a printing head is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a printing head rotary type 3D printing apparatus, in which a printing head can be rotated, so that a discharging form can be adjusted, and the number of times of replacing a printing apparatus having nozzles of other shapes can be reduced, thereby improving printing efficiency and reducing cost.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a print head rotary 3D printing device comprising:
the material barrel is vertically fixed on the bracket, the top end of the material barrel is an open end, the bottom end of the material barrel is communicated with a discharging pipe, the side part of the material barrel is communicated with a feeding pipe, and meanwhile, the bracket is fixedly provided with a material extrusion control motor and a printing spray head control motor;
the spray head pipe is vertically arranged, the top end of the spray head pipe is connected with the bottom end of the discharge pipe, the top end of the spray head pipe is rotatable relative to the bottom end of the discharge pipe, and meanwhile, the inner cavity of the discharge pipe is communicated with the inner cavity of the spray head pipe;
the printing spray head is vertically arranged, the top end of the printing spray head is connected to the bottom end of the spray head pipe, the inner cavity of the spray head pipe is communicated with the inner cavity of the printing spray head, and the spray nozzle on the printing spray head is a non-circular opening;
the extrusion rod is vertically arranged and sequentially penetrates into the inner cavities of the charging barrel, the discharging pipe and the spray nozzle pipe, and the top end of the extrusion rod penetrates out of the opening end of the charging barrel to be connected with the extrusion control motor;
the transmission mechanism is respectively connected with the printing nozzle control motor and the nozzle pipe, and the printing nozzle control motor drives the nozzle pipe to rotate through the transmission mechanism so as to drive the printing nozzle to rotate.
Preferably, the bracket includes:
the top end of the supporting seat is fixed with an epitaxial plate, and a first through hole is penetrated through the epitaxial plate;
the support seat is fixed on the base, and a storage space is defined among the base, the support seat and the epitaxial plate;
the top cover covers the first through hole and is connected with the epitaxial plate through a buckle.
Preferably, the charging basket is fixed in the storage space, the extrusion control motor is fixed on the top cover, a second through hole is formed in the top cover in a penetrating manner, the top end of the extrusion rod penetrates through the second through hole and is connected with an output shaft of the extrusion control motor, a third through hole is formed in the base in a penetrating manner, the bottom end of the spray nozzle pipe penetrates through the third through hole and is located at the bottom end of the base, a mounting channel is formed in the supporting seat in a penetrating manner, the feeding pipe is fixed in the mounting channel, and the mouth of the feeding pipe extends out of the mounting channel.
Preferably, the holding cavity is formed in the supporting seat, the mounting groove communicated with the third through hole is formed in the base, the fourth through holes communicated with the holding cavity and the mounting groove are formed in the bottom end of the supporting seat, the transmission mechanism is located in the holding cavity and the mounting groove respectively, the transmission mechanism is located in the holding cavity and is connected with the transmission mechanism in the mounting groove through the fourth through holes, meanwhile, the fifth through holes communicated with the holding cavity are formed in the top end of the supporting seat, the printing nozzle control motor is fixed to the top end of the supporting seat, an output shaft of the printing nozzle control motor penetrates through the fifth through holes and the transmission mechanism is located in the structural connection of the holding cavity, and meanwhile the transmission mechanism is located in the mounting groove and the nozzle tube is located in the position of the third through holes.
Preferably, the transmission mechanism includes:
the rotating shaft is vertically positioned in the accommodating cavity, the top end of the rotating shaft is connected with the output shaft of the printing nozzle control motor, and the bottom end of the rotating shaft penetrates through the fourth through hole and is positioned in the mounting groove;
the driving gear is positioned in the mounting groove and is connected with the bottom end of the rotating shaft;
the driven gear is sleeved on the spray head pipe and is clamped with the outer wall of the spray head pipe;
and the transmission chain is respectively connected with the driving gear and the driven gear in a transmission way.
Preferably, the outer wall of the nozzle pipe is fixed with a plurality of raised strips along the circumferential direction, the inner wall of the mounting hole of the driven gear is provided with a plurality of clamping grooves along the circumferential direction, and a plurality of raised strips are clamped with a plurality of clamping grooves in a one-to-one correspondence manner.
Preferably, the top outer wall of the spray head pipe is fixed with a first circular ring, the bottom outer wall of the discharge pipe is fixed with a second circular ring, the first circular ring is in butt joint with the adjacent end face of the second circular ring through a gasket, meanwhile, the first circular ring is connected with the second circular ring through a clamp, the inner wall of the clamp is provided with an annular limiting groove, the first circular ring, the gasket and the second circular ring are limited in the annular limiting groove, the first circular ring rotates along with the spray head pipe and can rotate in the annular limiting groove, and the second circular ring is fixed in the annular limiting groove.
Preferably, the top end of the printing nozzle is detachably connected with the bottom end of the nozzle pipe.
Preferably, the method further comprises: the locating plate, the bottom mounting of base has the locating plate, the constant head tank has been seted up on the locating plate, simultaneously set up the cooperation groove on the outer wall of printing the shower nozzle, just the plane that the cooperation groove is located with the spout on the printing the shower nozzle is located the face perpendicularly, the both ends one-to-one grafting of locating plate is in the constant head tank with in the cooperation groove, simultaneously the locating plate level sets up.
Preferably, the extrusion rod comprises: the device comprises a center rod and a blade which is wound and fixed on the center rod, wherein the diameter of the blade which is wound and arranged on the center rod gradually increases from the top end of the center rod to the position of the center rod corresponding to the upper middle part of the charging basket, the large-diameter part of the blade which is wound and arranged on the center rod extends from the position of the center rod corresponding to the upper middle part of the charging basket to the position of the center rod corresponding to the middle part of the charging basket, the diameter of the blade which is wound and arranged on the center rod gradually decreases from the position of the center rod corresponding to the middle part of the charging basket to the position of the center rod corresponding to the bottom end of the charging basket, and the small-diameter part which is wound and arranged on the center rod and corresponds to the position of the bottom end of the charging basket extends from the position of the center rod corresponding to the bottom end of the nozzle pipe.
Compared with the prior art, the invention discloses a printing nozzle rotary type 3D printing device, which can realize the following technical effects:
according to the invention, the extruding control motor drives the extruding rod to rotate, so that the extruding rod can drive the printing material to extrude through the nozzle on the printing nozzle, and the printing nozzle control motor drives the nozzle pipe to rotate through the transmission mechanism, so that the nozzle pipe drives the printing nozzle to rotate, the discharging form of the printing nozzle can be regulated, and the times of replacing the printing device with the nozzle with other shape can be reduced, so that the printing efficiency can be improved, and the cost can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a rotary 3D printing device with a printing head according to the present invention;
FIG. 2 is an overall view of a rotary 3D printing device with a printing nozzle according to the present invention;
FIG. 3 is a block diagram of a transmission mechanism in a rotary 3D printing apparatus with a printing head according to the present invention;
FIG. 4 is an exploded view at B in FIG. 3;
FIG. 5 is a block diagram of FIG. 2 at A;
FIG. 6 is a block diagram of a support base in a rotary 3D printing device with a printing nozzle according to the present invention;
FIG. 7 is a cross-sectional view of a rotary 3D printing device with a print head according to the present invention;
fig. 8 is an enlarged view at C in fig. 7.
Wherein, 1-charging basket; 10-a bracket; 11-a discharge pipe; 12-feeding pipe; 13-extruding a material to control a motor; 14-a print head control motor; 2-a nozzle tube; 3-printing a spray head; 300-spout; 4-extruding a material rod; 5-a transmission mechanism; 101-a supporting seat; 102-an epitaxial plate; 100-a first through hole; 103-a base; 110-placing space; 104-top cover; 120-a second through hole; 130-a third through hole; 140-mounting channels; 150-mounting grooves; 160-fourth through holes; 170-a fifth through hole; 51-rotating shaft; 52-a drive gear; 53-driven gear; 54-a drive chain; 21-convex strips; 531-a clamping groove; 22-a first ring; 111-a second ring; 7-a gasket; 6-clamping; 60-an annular limiting groove; 8-locating pieces; 9-positioning plates; 90-positioning grooves; 30-a mating groove; 41-a central rod; 42-leaf.
Description of the embodiments
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.
The embodiment of the invention discloses a printing nozzle rotary type 3D printing device, which comprises:
the material barrel 1, the material barrel 1 is vertically fixed on the bracket 10, the top end of the material barrel 1 is an open end, the bottom end is communicated with the discharging pipe 11, the side part is communicated with the feeding pipe 12, and meanwhile, the bracket 10 is fixedly provided with the extrusion control motor 13 and the printing spray head control motor 14;
the spray head pipe 2 is vertically arranged, the top end of the spray head pipe 2 is connected with the bottom end of the discharge pipe 11, the top end of the spray head pipe 2 is rotatable relative to the bottom end of the discharge pipe 11, and meanwhile, the inner cavity of the discharge pipe 11 is communicated with the inner cavity of the spray head pipe 2;
the printing spray heads 3 are vertically arranged, the top ends of the printing spray heads 3 are connected to the bottom ends of the spray head pipes 2, meanwhile, the inner cavities of the spray head pipes 2 are communicated with the inner cavities of the printing spray heads 3, and the spray nozzles 300 on the printing spray heads 3 are non-circular openings;
the extruding rod 4 is vertically arranged, sequentially penetrates into the inner cavities of the charging bucket 1, the discharging pipe 11 and the nozzle pipe 2, and the top end of the extruding rod 4 penetrates out of the opening end of the charging bucket 1 to be connected with the extruding control motor 13;
the transmission mechanism 5 is respectively connected with the printing nozzle control motor 14 and the nozzle pipe 2, and the printing nozzle control motor 14 drives the nozzle pipe 2 to rotate through the transmission mechanism 5 so as to drive the printing nozzle 3 to rotate.
According to the invention, the extrusion control motor 13 drives the extrusion rod 4 to rotate, so that the extrusion rod 4 can drive printing materials to be extruded through the nozzle 300 on the printing nozzle 3, and the printing nozzle control motor 14 drives the nozzle pipe 2 to rotate through the transmission mechanism 5, so that the nozzle pipe 2 drives the printing nozzle 3 to rotate, the discharging form of the printing nozzle 3 can be adjusted, the times of replacing printing devices with nozzles with other shapes can be reduced, and the printing efficiency and the cost can be improved.
In order to further optimize the technical scheme, the method further comprises the following steps: and the control system is electrically connected with the extrusion control motor 13, the printing nozzle control motor 14 and the computer respectively.
By adopting the technical scheme, the invention can realize the following beneficial effects: the control system correspondingly controls the printing nozzle control motor 14 according to the printing path, so that the printing nozzle 3 rotates according to the printing path, the printing nozzle 3 adjusts the form of extrusion materials according to the printing path, and meanwhile, the control system controls the extrusion material control motor 13 to further control the rotating speed of the extrusion material rod 4.
The specific structure of the control system is prior art in the art, and will not be described in detail herein.
To further optimize the above solution, the bracket 10 comprises:
the support base 101, the top of the support base 101 is fixed with an extension plate 102, and a first through hole 100 is penetrated on the extension plate 102;
the base 103, the supporting seat 101 is fixed on the base 103, and a storage space 110 is defined among the base 103, the supporting seat 101 and the epitaxial plate 102;
the top cover 104, the top cover 104 covers the first through hole 100, and is connected with the epitaxial plate 102 through a buckle.
By adopting the technical scheme, the invention can realize the following beneficial effects: the top cover 104 of the present invention is connected to the epitaxial plate 102 by a snap fit, so the present invention is easy to disassemble and thus easy to clean.
In order to further optimize the technical scheme, the charging basket 1 is fixed in the storage space 110, the extrusion control motor 13 is fixed on the top cover 104, the top cover 104 is penetrated with the second through hole 120, the top end of the extrusion rod 4 passes through the second through hole 120 and is connected with the output shaft of the extrusion control motor 13, the base 103 is penetrated with the third through hole 130, the bottom end of the nozzle pipe 2 passes through the third through hole 130 and is positioned at the bottom end of the base 103, the supporting seat 101 is penetrated with the installation channel 140, the feeding pipe 12 is fixed in the installation channel 140, and the mouth of the feeding pipe 12 extends out of the installation channel 140.
By adopting the technical scheme, the invention can realize the following beneficial effects: the invention has compact and stable integral structure, and limits the nozzle pipe 2 through the third through hole 130, thereby preventing the problem that the nozzle pipe 2 swings greatly in the working process.
In order to further optimize the above technical solution, the supporting seat 101 is provided with a receiving cavity, the base 103 is provided with a mounting groove 150 communicated with the third through hole 130, the bottom end of the supporting seat 101 is provided with a fourth through hole 160 respectively communicated with the receiving cavity and the mounting groove 150, the transmission mechanism 5 is respectively located in the receiving cavity and the mounting groove 150, the structure of the transmission mechanism 5 located in the receiving cavity is connected with the structure of the transmission mechanism 5 located in the mounting groove 150 through the fourth through hole 160, meanwhile, the top end of the supporting seat 101 is provided with a fifth through hole 170 communicated with the receiving cavity, the printing nozzle control motor 14 is fixed at the top end of the supporting seat 101, the output shaft of the printing nozzle control motor 14 passes through the fifth through hole 170 and is connected with the structure of the transmission mechanism 5 located in the receiving cavity, and meanwhile the structure of the transmission mechanism 5 located in the mounting groove 150 is connected with the part of the nozzle pipe 2 located in the third through hole 130.
By adopting the technical scheme, the invention can realize the following beneficial effects: the transmission mechanism 5 can be covered by the accommodating cavity and the mounting groove 150, so that the transmission mechanism 5 is protected, and the whole structure of the invention is compact.
In order to further optimize the above technical solution, the transmission mechanism 5 comprises:
the rotating shaft 51, the rotating shaft 51 is vertically positioned in the accommodating cavity, the top end of the rotating shaft 51 is connected with the output shaft of the printing nozzle control motor 14, and the bottom end passes through the fourth through hole 160 and is positioned in the mounting groove 150;
the driving gear 52, the driving gear 52 is located in the mounting groove 150 and connected with the bottom end of the rotating shaft 51;
the driven gear 53 is sleeved on the nozzle pipe 2 and is clamped with the outer wall of the nozzle pipe 2;
the drive chain 54, the drive chain 54 is connected with the driving gear 52 and the driven gear 53 in a driving way.
By adopting the technical scheme, the invention can realize the following beneficial effects: the structure is compact, and the printing nozzle control motor 14 can drive the nozzle pipe 2 to rotate through the rotating shaft 51, the driving gear 52, the transmission chain 54 and the driven gear 53 in sequence.
In order to further optimize the above technical solution, the outer wall of the nozzle tube 2 is fixed with a plurality of protruding strips 21 along the circumferential direction thereof, and the inner wall of the mounting hole of the driven gear 53 is provided with a plurality of clamping grooves 531 along the circumferential direction thereof, and the plurality of protruding strips 21 are clamped with the plurality of clamping grooves 531 in a one-to-one correspondence manner.
By adopting the technical scheme, the invention can realize the following beneficial effects: through the cooperation grafting of draw-in groove 531 and sand grip 21, not only make things convenient for the dismouting between shower nozzle pipe 2 and the driven gear 53, after driven gear 53 connects on shower nozzle pipe 2 moreover, driven gear 53 rotates and can drive shower nozzle pipe 2 rotation, and then realizes driving printing shower nozzle 3 pivoted effect.
In order to further optimize the technical scheme, the outer wall of the top end of the spray head pipe 2 is fixed with a first circular ring 22, the outer wall of the bottom end of the discharge pipe 11 is fixed with a second circular ring 111, adjacent end faces of the first circular ring 22 and the second circular ring 111 are in butt joint through a gasket 7, meanwhile, the first circular ring 22 and the second circular ring 111 are connected through a clamp 6, an annular limiting groove 60 is formed in the inner wall of the clamp 6, the first circular ring 22, the gasket 7 and the second circular ring 111 are limited in the annular limiting groove 60, the first circular ring 22 can rotate in the annular limiting groove 60 along with the rotation of the spray head pipe 2, and the second circular ring 111 is fixed in the annular limiting groove 60.
By adopting the technical scheme, the invention can realize the following beneficial effects:
the second circular ring 111 is connected with the first circular ring 22 through the clamp 6, so that the spray head pipe 2 and the discharge pipe 11 are convenient to assemble and disassemble;
adjacent end surfaces of the first circular ring 22 and the second circular ring 111 are in butt joint through the gasket 7, so that the butt joint tightness of the first circular ring 22 and the second circular ring 111 can be improved, and leakage of printing raw materials is prevented;
the first ring 22, the gasket 7 and the second ring 111 are all limited in the annular limiting groove 60, the first ring 22 can rotate in the annular limiting groove 60 along with the rotation of the nozzle pipe 2, and the second ring 111 is fixed in the annular limiting groove 60, so that the invention can avoid mutual interference between the rotation action of the printing nozzle 3 and the rotation action of the extrusion rod 4.
In order to further optimize the above technical solution, the top end of the printing nozzle 3 is detachably connected with the bottom end of the nozzle tube 2.
By adopting the technical scheme, the invention can realize the following beneficial effects: different printing heads 3 can be replaced on the head tube 2.
And, the manner in which the top end of the printing head 3 is detachably connected to the bottom end of the head tube 2 includes, but is not limited to, screw connection.
In order to further optimize the technical scheme, the method further comprises the following steps: the locating plate 8, the bottom mounting of base 103 has locating plate 9, has offered constant head tank 90 on the locating plate 9, has offered cooperation groove 30 on the outer wall of printing shower nozzle 3 simultaneously, and cooperation groove 30 place plane and the spout 300 place plane on printing shower nozzle 3 are perpendicular, and the both ends one-to-one grafting of locating plate 8 is in constant head tank 90 and cooperation groove 30, and the locating plate 8 level sets up simultaneously.
By adopting the technical scheme, the invention can realize the following beneficial effects: before formal printing, the two ends of the positioning sheet 8 are correspondingly inserted into the positioning groove 90 and the matching groove 30 one by one, and the positioning sheet 8 is horizontally arranged, so that the positioning groove 90 and the matching groove 30 can be aligned, and meanwhile, the plane of the matching groove 30 is vertical to the plane of the nozzle 300 on the printing nozzle 3, so that the installation angle of the printing nozzle 3 can be adjusted, namely, when the positioning groove 90 and the matching groove 30 are aligned, the installation angle of the printing nozzle 3 is reset, namely, the printing nozzle 3 is vertically installed on the nozzle pipe 2, the plane of the nozzle 300 on the nozzle pipe 2 is ensured to be a horizontal plane, and the quality of a printed product can be improved.
In order to further optimize the above technical solution, the extrusion bar 4 comprises: the center rod 41 and around setting up the blade 42 that is fixed on center rod 41, and the diameter of blade 42 around setting up at center rod 41 gradually increases from the top of center rod 41 to the position that center rod 41 corresponds the upper portion in the storage bucket 1, and the major diameter part around setting up at center rod 41 extends from the position that center rod 41 corresponds the upper portion in storage bucket 1 to the position that center rod 41 corresponds the middle part in storage bucket 1, and the diameter of blade 42 around setting up at center rod 41 gradually decreases from the position that center rod 41 corresponds the middle part in storage bucket 1 to the position that center rod 41 corresponds the bottom of storage bucket 1, and the blade 42 around setting up at center rod 41 and correspond the position that the minor diameter part in storage bucket 1 bottom position extends from center rod 41 to the position that center rod 41 corresponds the bottom of storage bucket 1 to shower nozzle pipe 2 bottom.
By adopting the technical scheme, the invention can realize the following beneficial effects:
the blades 42 are wound on the central rod 41, and the diameters of the blades are gradually increased from the top end of the central rod 41 to the position of the central rod 41 corresponding to the middle upper part of the charging basket 1, so that a larger gap is formed between the material extrusion rod 4 and the inner wall of the charging basket 1, printing materials can enter between the blades 42 more easily, and feeding is facilitated;
the vane 42 is wound on the large diameter part of the center rod 41 and extends from the position of the center rod 41 corresponding to the middle upper part of the charging basket 1 to the position of the center rod 41 corresponding to the middle part of the charging basket 1, so that the printing material in the lower half of the charging basket 1 can be subjected to larger pressure, and the discharging is smoother;
the diameter of the blade 42 wound around the center rod 41 is gradually reduced from the position of the center rod 41 corresponding to the middle part of the charging bucket 1 to the position of the center rod 41 corresponding to the bottom end of the charging bucket 1, and the small diameter part of the blade 42 wound around the center rod 41 and corresponding to the bottom end position of the charging bucket 1 extends from the position of the center rod 41 corresponding to the bottom end of the charging bucket 1 to the position of the center rod 41 corresponding to the bottom end of the nozzle pipe 2, so that the discharging of the invention is smoother.
Examples
The embodiment of the invention discloses a printing nozzle rotary type 3D printing device, which has the following working principle:
first, before printing, the printing nozzle 3 with the nozzle 300 being a non-circular opening is mounted on the nozzle tube 2, and the mounting angle of the printing nozzle 3 is adjusted first, so that the mounting angle of the printing nozzle 3 is zeroed: the two ends of the locating piece 8 are correspondingly inserted into the locating groove 90 and the matching groove 30 one by one, and the locating piece 8 is horizontally arranged, so that the locating groove 90 and the matching groove 30 can be aligned, and meanwhile, the plane of the matching groove 30 is vertical to the plane of the nozzle 300 on the printing nozzle 3, so that the installation angle of the printing nozzle 3 can be adjusted, namely, when the locating groove 90 and the matching groove 30 are aligned, the installation angle of the printing nozzle 3 is reset to zero, namely, the printing nozzle 3 is vertically installed on the nozzle pipe 2, the plane of the nozzle 300 on the nozzle pipe 2 is horizontal, and the quality of a printing finished product can be improved;
then, formally printing: filling printing materials into the charging bucket 1 through the feeding pipe 12, and simultaneously starting the control system to enable the extrusion control motor 13 to drive the extrusion rod 4 to rotate, so that the extrusion rod 4 can drive the printing materials to enter the printing spray head 3 from the charging bucket 1 through the discharging pipe 11 and the spray head pipe 2 in sequence and to be extruded through the spray nozzle 300 on the printing spray head 3; on the other hand, the print head control motor 14 drives the head pipe 2 to rotate sequentially through the rotating shaft 51, the driving gear 52, the transmission chain 54 and the driven gear 53, so that the head pipe 2 drives the print head 3 to rotate, and the nozzle 300 on the print head 3 is a non-circular opening, so that the discharge form of the print head 3 can be adjusted in the rotating process of the print head 3, and the number of times of replacing the printing device with the nozzle with other shape can be reduced, so that the invention can improve the printing efficiency and reduce the cost.
When the nozzle 300 on the printing nozzle 3 is a round opening, the printing nozzle control motor 14 is not required to drive the nozzle pipe 2 to rotate through the transmission mechanism 5, and the printing nozzle 3 does not rotate at this time.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A print head rotary 3D printing device, comprising:
the feeding device comprises a feeding barrel (1), wherein the feeding barrel (1) is vertically fixed on a support (10), the top end of the feeding barrel (1) is an open end, the bottom end of the feeding barrel is communicated with a discharging pipe (11), the side part of the feeding barrel is communicated with a feeding pipe (12), and meanwhile, an extrusion control motor (13) and a printing nozzle control motor (14) are fixed on the support (10);
the spray head pipe (2) is vertically arranged, the top end of the spray head pipe (2) is connected with the bottom end of the discharge pipe (11), the top end of the spray head pipe (2) is rotatable relative to the bottom end of the discharge pipe (11), and meanwhile, the inner cavity of the discharge pipe (11) is communicated with the inner cavity of the spray head pipe (2);
the printing spray head (3) is vertically arranged, the top end of the printing spray head (3) is connected to the bottom end of the spray head pipe (2), meanwhile, the inner cavity of the spray head pipe (2) is communicated with the inner cavity of the printing spray head (3), and a spray nozzle (300) on the printing spray head (3) is a non-circular port;
the extrusion rod (4) is vertically arranged and sequentially penetrates into the inner cavities of the charging barrel (1), the discharging pipe (11) and the nozzle pipe (2), and the top end of the extrusion rod (4) penetrates out of the opening end of the charging barrel (1) to be connected with the extrusion control motor (13);
the transmission mechanism (5) is respectively connected with the printing nozzle control motor (14) and the nozzle pipe (2), and the printing nozzle control motor (14) drives the nozzle pipe (2) to rotate through the transmission mechanism (5) so as to drive the printing nozzle (3) to rotate;
the bracket (10) comprises:
the device comprises a supporting seat (101), wherein an epitaxial plate (102) is fixed at the top end of the supporting seat (101), and a first through hole (100) is formed in the epitaxial plate (102) in a penetrating mode;
the support base (103), the support base (101) is fixed on the base (103), and a storage space (110) is defined among the base (103), the support base (101) and the epitaxial plate (102);
the top cover (104) covers the first through hole (100) and is connected with the epitaxial plate (102) through a buckle;
the material barrel (1) is fixed in the storage space (110), the material extrusion control motor (13) is fixed on the top cover (104), a second through hole (120) is formed in the top cover (104) in a penetrating mode, the top end of the material extrusion rod (4) penetrates through the second through hole (120) and is connected with an output shaft of the material extrusion control motor (13), a third through hole (130) is formed in the base (103) in a penetrating mode, the bottom end of the spray head pipe (2) penetrates through the third through hole (130) and is located at the bottom end of the base (103), meanwhile, a mounting channel (140) is formed in the supporting seat (101) in a penetrating mode, and the inlet pipe (12) is fixed in the mounting channel (140) and extends out of the mounting channel (140);
the printing nozzle comprises a supporting seat (101), wherein a containing cavity is formed in the supporting seat (101), a mounting groove (150) communicated with the third through hole (130) is formed in the supporting seat (103), a fourth through hole (160) communicated with the containing cavity and the mounting groove (150) is formed in the bottom end of the supporting seat (101), a transmission mechanism (5) is respectively arranged in the containing cavity and the mounting groove (150), a structure of the transmission mechanism (5) in the containing cavity is connected with a structure of the transmission mechanism (5) in the mounting groove (150) through the fourth through hole (160), a fifth through hole (170) communicated with the containing cavity is formed in the top end of the supporting seat (101), an output shaft of the printing nozzle control motor (14) penetrates through the fifth through hole (170) and is connected with a structure of the transmission mechanism (5) in the containing cavity, and meanwhile, the transmission mechanism (5) is arranged in the connecting structure of the third through hole (150) in the mounting groove (130);
the spray head comprises a spray head pipe (2), wherein a first circular ring (22) is fixed on the outer wall of the top end of the spray head pipe (2), a second circular ring (111) is fixed on the outer wall of the bottom end of the discharge pipe (11), adjacent end faces of the first circular ring (22) and the second circular ring (111) are in butt joint through a gasket (7), meanwhile, the first circular ring (22) is connected with the second circular ring (111) through a clamp (6), an annular limiting groove (60) is formed in the inner wall of the clamp (6), the first circular ring (22), the gasket (7) and the second circular ring (111) are limited in the annular limiting groove (60), the first circular ring (22) can rotate in the annular limiting groove (60) along with the rotation of the spray head pipe (2), and the second circular ring (111) is fixed in the annular limiting groove (60).
Further comprises: the locating plate (8), the bottom mounting of base (103) has locating plate (9), locating plate (9) are last to have seted up constant head tank (90), simultaneously set up on the outer wall of printing shower nozzle (3) mating groove (30), just mating groove (30) place plane with spout (300) place face on printing shower nozzle (3) is perpendicular, the both ends one-to-one grafting of locating plate (8) are in constant head tank (90) with in mating groove (30), simultaneously locating plate (8) level sets up.
2. A printing head rotary 3D printing device according to claim 1, characterized in that the transmission mechanism (5) comprises:
the rotating shaft (51) is vertically positioned in the accommodating cavity, the top end of the rotating shaft (51) is connected with the output shaft of the printing nozzle control motor (14), and the bottom end of the rotating shaft penetrates through the fourth through hole (160) and is positioned in the mounting groove (150);
the driving gear (52) is positioned in the mounting groove (150) and is connected with the bottom end of the rotating shaft (51);
the driven gear (53) is sleeved on the spray head pipe (2) and is clamped with the outer wall of the spray head pipe (2);
and the transmission chain (54) is respectively connected with the driving gear (52) and the driven gear (53) in a transmission way.
3. The rotary 3D printing device for the printing nozzle according to claim 2, wherein a plurality of protruding strips (21) are fixed on the outer wall of the nozzle tube (2) along the circumferential direction of the outer wall, a plurality of clamping grooves (531) are formed in the inner wall of the mounting hole of the driven gear (53) along the circumferential direction of the inner wall, and the protruding strips (21) are clamped with the clamping grooves (531) in a one-to-one correspondence manner.
4. The printing nozzle rotary 3D printing device according to claim 1, characterized in that the top end of the printing nozzle (3) is detachably connected with the bottom end of the nozzle tube (2).
5. A printing head rotary 3D printing device according to claim 1, characterized in that the extrusion bar (4) comprises: the spray nozzle comprises a center rod (41) and a blade (42) fixed on the center rod (41) in a winding manner, wherein the diameter of the blade (42) is gradually increased from the top end of the center rod (41) to the position of the center rod (41) corresponding to the middle and upper part of the charging basket (1), the blade (42) is gradually decreased from the position of the center rod (41) corresponding to the middle and upper part of the charging basket (1) to the position of the center rod (41) corresponding to the middle part of the charging basket (1) in a winding manner, the diameter of the blade (42) is gradually decreased from the position of the center rod (41) corresponding to the middle part of the charging basket (1) to the position of the center rod (41) corresponding to the bottom end of the charging basket (1), and the small diameter part of the blade (42) is wound on the center rod (41) and corresponds to the bottom end position of the charging basket (1) from the position of the center rod (41) corresponding to the position of the center rod (1) corresponding to the bottom end of the charging basket (2) of the spray nozzle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111188610.5A CN113844029B (en) | 2021-10-12 | 2021-10-12 | Print shower nozzle rotation type 3D printing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111188610.5A CN113844029B (en) | 2021-10-12 | 2021-10-12 | Print shower nozzle rotation type 3D printing device |
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| CN113844029A CN113844029A (en) | 2021-12-28 |
| CN113844029B true CN113844029B (en) | 2023-08-18 |
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| CN202111188610.5A Active CN113844029B (en) | 2021-10-12 | 2021-10-12 | Print shower nozzle rotation type 3D printing device |
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| EP4306284A1 (en) * | 2022-05-31 | 2024-01-17 | KLARTEC, spol. s r.o. | Method for computer controlled filling of forms with fresh concrete, bucket for fresh concrete |
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| Publication number | Publication date |
|---|---|
| CN113844029A (en) | 2021-12-28 |
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