CN113844029A - Printing nozzle rotary type 3D printing device - Google Patents
Printing nozzle rotary type 3D printing device Download PDFInfo
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- CN113844029A CN113844029A CN202111188610.5A CN202111188610A CN113844029A CN 113844029 A CN113844029 A CN 113844029A CN 202111188610 A CN202111188610 A CN 202111188610A CN 113844029 A CN113844029 A CN 113844029A
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- nozzle
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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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- 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 of 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 the inner cavity of the discharge pipe is communicated with the inner cavity of the nozzle pipe; the top end of the printing nozzle is connected to the bottom end of the nozzle pipe, the inner cavity of the nozzle pipe is communicated with the inner cavity of the printing nozzle, and the nozzle on the printing nozzle is a non-circular opening; the material extruding rod penetrates into the inner cavities of the charging barrel, the discharging pipe and the nozzle pipe in sequence, and the top end of the material extruding rod penetrates out of the opening end of the charging barrel and is connected with the material extruding 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 rotary 3D printing device with a printing nozzle, wherein the printing nozzle can rotate so as to adjust the discharging form.
Description
Technical Field
The invention relates to the technical field of concrete 3D printing equipment, in particular to a rotary 3D printing device with a printing nozzle.
Background
From the development progress of the current concrete 3D printing technology, the concrete 3D printing technology mainly depends on a printing frame body to transmit an operation command to a hardware control system through a material distribution technology, the hardware control system transmits the motion command to a driver, the command is transmitted to an affiliated control motor and an extrusion control motor through signal conversion, three-dimensional displacement motion of a printing nozzle and extrusion of a printing material are achieved, and the discharging speed of the printing nozzle and the discharging shape of slurry are closely related to the discharging port shape of the printing nozzle.
Printing shower nozzle on the existing market is generally fixed, can not rotate, leads to having limited the ejection of compact form, then needs just can accomplish a finished product through the 3D printing device that is equipped with different shape spouts, causes seriously to influence and prints efficiency, and the cost is higher.
And, concrete 3D printing device on the existing market still has the printing shower nozzle and can not dismantle to and the whole difficult problem of dismantling of device, lead to the clearance inconvenient.
Therefore, it is an urgent need to solve the technical problem of the art to provide a printing nozzle rotary 3D printing apparatus capable of rotating a printing nozzle.
Disclosure of Invention
In view of this, the invention provides a printing nozzle rotary 3D printing device, in which the printing nozzle can rotate, so that the discharging form can be adjusted, the number of times of replacing printing devices with nozzles having other shapes is reduced, and thus the printing efficiency can be improved and the cost can be reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a print shower nozzle rotation type 3D printing device includes:
the material barrel is vertically fixed on the support, the top end of the material barrel is an open end, the bottom end of the material barrel is communicated with a discharge pipe, the side part of the material barrel is communicated with a feed pipe, and meanwhile, a material extruding control motor and a printing spray head control motor are fixed on the support;
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 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 spray head pipe;
the printing nozzle is vertically arranged, the top end of the printing nozzle is connected to the bottom end of the nozzle pipe, meanwhile, the inner cavity of the nozzle pipe is communicated with the inner cavity of the printing nozzle, and a nozzle on the printing nozzle is a non-circular opening;
the material extruding rod is vertically arranged and sequentially penetrates into the inner cavities of the charging barrel, the discharging pipe and the nozzle pipe, and the top end of the material extruding rod penetrates out of the opening end of the charging barrel and is connected with the material extruding 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 stent comprises:
the device comprises a supporting seat, wherein an epitaxial plate is fixed at the top end of the supporting seat, and a first through hole is formed in the epitaxial plate in a penetrating manner;
the supporting seat is fixed on the base, and an object placing space is defined among the base, the supporting 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 storage bucket is fixed put in the object space, crowded material control motor fixes on the top cap, just it has the second through-hole to link up on the top cap, the top of crowded material pole is passed the second through-hole with crowded material control motor's output shaft, simultaneously it has the third through-hole to link up on the base, the bottom of shower nozzle pipe is passed the third through-hole is located the bottom of base, simultaneously it has the installation passageway to link up on the base, the inlet pipe is fixed in the installation passageway, and the mouth of pipe of inlet pipe extends to outside the installation passageway.
Preferably, the supporting seat is internally provided with an accommodating cavity, the base is provided with a mounting groove communicated with the third through hole, and the bottom end of the supporting seat is provided with a fourth through hole which is respectively communicated with the accommodating cavity and the mounting groove, the transmission mechanism is respectively positioned in the accommodating cavity and the mounting groove, and the structure of the transmission mechanism in the containing cavity is connected with the structure of the transmission mechanism in the mounting groove through the fourth through hole, meanwhile, the top end of the supporting seat is provided with a fifth through hole communicated with the accommodating cavity, the printing nozzle control motor is fixed at the top end of the supporting seat, an output shaft of the printing nozzle control motor penetrates through the fifth through hole to be connected with a structure of the transmission mechanism in the containing cavity, meanwhile, the structure of the transmission mechanism in the mounting groove is connected with the part of the spray head pipe in the third through hole.
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 an output shaft of the printing spray head 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 clamped with the outer wall of the spray head pipe;
and the transmission chain is respectively in transmission connection with the driving gear and the driven gear.
Preferably, the outer wall of shower nozzle pipe is fixed with a plurality of sand grips along its circumferencial direction, a plurality of draw-in grooves, a plurality of are seted up along its circumferencial direction to driven gear's mounting hole inner wall the sand grip is with a plurality of the joint of draw-in groove one-to-one.
Preferably, the top outer wall of shower nozzle pipe is fixed with first ring, the bottom outer wall of discharging pipe is fixed with the second ring, just first ring with the adjacent terminal surface of second ring passes through the gasket butt joint, simultaneously first ring with the second ring passes through the clamp connection, just annular spacing groove has been seted up to the inner wall of clamp, first ring the gasket with the second ring all be spacing in annular spacing inslot, first ring is along with the rotation of shower nozzle pipe can annular spacing inslot rotation, the second ring is in annular spacing inslot is fixed motionless.
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 following steps: the bottom mounting of base has the locating plate, the constant head tank has been seted up on the locating plate, simultaneously the cooperation groove has been seted up on the outer wall of printing the shower nozzle, just cooperation groove place plane with it is perpendicular to print the spout place face on the shower nozzle, the both ends one-to-one of locating plate is pegged graft the constant head tank with in the cooperation groove, simultaneously the locating plate level sets up.
Preferably, the extrusion rod comprises: well core rod with around establishing to fix blade on well core rod, just the blade is around establishing well core rod's diameter certainly well core rod's top extremely well core rod corresponds the position of upper portion increases gradually in the storage bucket, and the blade is around establishing well core rod's major diameter part certainly well core rod corresponds the position of upper portion extremely well core rod corresponds the position at storage bucket middle part extends, the blade is around establishing well core rod's diameter certainly well core rod corresponds the position at storage bucket middle part extremely well core rod corresponds the position of storage bucket bottom reduces gradually, just the blade is around establishing well core rod, and correspond the minor diameter part of storage bucket bottom position certainly well core rod corresponds the position of storage bucket bottom extremely well core rod corresponds the position of shower nozzle pipe bottom extends.
Through the technical scheme, compared with the prior art, the invention discloses a rotary 3D printing device with a printing nozzle, which can achieve the following technical effects:
the material extruding control motor drives the material extruding rod to rotate, so that the material extruding rod can drive printing materials to be extruded out through the nozzles 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 adjusted, the times of replacing printing devices with nozzles of other shapes can be reduced, and 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 used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded view of a printing head rotary 3D printing apparatus according to the present invention;
FIG. 2 is a general view of a printing head rotary 3D printing apparatus according to the present invention;
FIG. 3 is a structural diagram of a transmission mechanism in the printing nozzle rotary 3D printing device according to the present invention;
FIG. 4 is an exploded view at B of FIG. 3;
FIG. 5 is a block diagram at A in FIG. 2;
FIG. 6 is a structural diagram of a support base of the rotary 3D printing apparatus for printing nozzles according to the present invention;
fig. 7 is a cross-sectional view of a printing head rotary 3D printing device according to the present invention;
fig. 8 is an enlarged view at C in fig. 7.
Wherein, 1-a charging basket; 10-a scaffold; 11-a discharge pipe; 12-a feed pipe; 13-extruding control motor; 14-printing nozzle control motor; 2-a nozzle pipe; 3-printing a spray head; 300-nozzle; 4-extruding the material rod; 5-a transmission mechanism; 101-a support base; 102-an epitaxial plate; 100-a first via; 103-a base; 110-a storage space; 104-a top cover; 120-a second via; 130-a third via; 140-installation of a channel; 150-mounting grooves; 160-fourth via; 170-fifth via; 51-a rotating shaft; 52-a drive gear; 53-driven gear; 54-a drive chain; 21-convex strips; 531-card slot; 22-a first circular ring; 111-a second ring; 7-a gasket; 6, clamping a hoop; 60-an annular limiting groove; 8-a positioning sheet; 9-positioning plate; 90-positioning grooves; 30-a mating groove; 41-a central rod; 42-blade.
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.
The embodiment of the invention discloses a rotary 3D printing device for a printing nozzle, which comprises:
the material barrel comprises a material barrel 1, wherein the material barrel 1 is vertically fixed on a support 10, the top end of the material barrel 1 is an open end, the bottom end of the material barrel 1 is communicated with a discharge pipe 11, the side part of the material barrel is communicated with a feed pipe 12, and a material extrusion control motor 13 and a printing spray head 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 can rotate 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 nozzle 3 is vertically arranged, the top end of the printing nozzle 3 is connected to the bottom end of the nozzle pipe 2, meanwhile, the inner cavity of the nozzle pipe 2 is communicated with the inner cavity of the printing nozzle 3, and the nozzle 300 on the printing nozzle 3 is a non-circular opening;
the material extruding 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 material extruding rod 4 penetrates through the opening end of the charging barrel 1 and is connected with the material extruding control motor 13;
The extrusion control motor 13 of the invention drives the extrusion rod 4 to rotate, so that the extrusion rod 4 can drive printing materials to be extruded out through the nozzle 300 on the printing nozzle 3, and the printing nozzle control motor 14 of the invention can drive the nozzle pipe 2 to rotate through the transmission mechanism 5, so that the nozzle pipe 2 drives the printing nozzle 3 to rotate, thereby adjusting the discharging form of the printing nozzle 3, and reducing the times of replacing printing devices with nozzles of other shapes, therefore, the invention can improve the printing efficiency and reduce the cost.
In order to further optimize the above technical solution, the method further comprises: and the control system is respectively and electrically connected with the extruding control motor 13, the printing spray head control motor 14 and the computer.
By adopting the technical scheme, the invention can realize the following beneficial effects: the printing nozzle control motor 14 is correspondingly controlled by the control system according to the printing path, so that the printing nozzle 3 rotates according to the printing path, the extruding material form of the printing nozzle 3 is adjusted according to the printing path, and meanwhile, the control system controls the extruding material control motor 13 to further control the rotating speed of the extruding rod 4.
The specific structure of the control system is the prior art in the field, and will not be described herein.
In order to further optimize the above solution, the support 10 comprises:
the supporting seat 101, the top of the supporting seat 101 is fixed with an epitaxial plate 102, and a first through hole 100 penetrates through the epitaxial plate 102;
the supporting base 101 is fixed on the base 103, and an object placing space 110 is defined among the base 103, the supporting base 101 and the epitaxial plate 102;
and the top cover 104 covers the first through hole 100 and is connected with the outer extension plate 102 through a snap fit.
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 extension plate 102 by a snap fit, so the present invention is easily disassembled, thereby facilitating cleaning.
In order to further optimize the technical scheme, the material barrel 1 is fixed in the storage space 110, the material extruding control motor 13 is fixed on the top cover 104, a second through hole 120 penetrates through the top cover 104, the top end of the material extruding rod 4 penetrates through the second through hole 120 to be connected with an output shaft of the material extruding control motor 13, a third through hole 130 penetrates through the base 103, the bottom end of the nozzle tube 2 penetrates through the third through hole 130 to be located at the bottom end of the base 103, an installation channel 140 penetrates through the base 103, the feeding tube 12 is fixed in the installation channel 140, and the opening of the feeding tube 12 extends out of the installation channel 140.
By adopting the technical scheme, the invention can realize the following beneficial effects: the whole structure of the invention is compact and stable, and the third through hole 130 limits the spray head pipe 2, thereby preventing the problem that the spray head pipe 2 greatly swings in the working process.
In order to further optimize the above technical scheme, 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 base 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, the transmission mechanism 5 is located in the containing cavity and the mounting groove 150 respectively, the transmission mechanism 5 is located in the containing cavity and structurally connected with 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, the printing nozzle control motor 14 is fixed to 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 to be structurally connected with the transmission mechanism 5 in the containing cavity, and meanwhile, the structure of the transmission mechanism 5 in the mounting groove 150 is connected with the position of the nozzle pipe 2 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 accommodation cavity and the installation groove 150, thereby protecting the transmission mechanism 5 and simultaneously enabling the overall structure of the present invention to be compact.
In order to further optimize the above solution, 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 an output shaft of the printing nozzle control motor 14, and the bottom end of the rotating shaft 51 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;
the transmission chain 54 is connected with the driving gear 52 and the driven gear 53 in a transmission way respectively through the transmission chain 54.
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 sequentially through the rotating shaft 51, the driving gear 52, the transmission chain 54 and the driven gear 53.
In order to further optimize the above technical scheme, the outer wall of the nozzle pipe 2 is fixed with a plurality of convex strips 21 along the circumferential direction thereof, 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 convex 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 with sand grip 21, not only make things convenient for the dismouting between shower nozzle pipe 2 and the driven gear 53, driven gear 53 connects back on shower nozzle pipe 2 moreover, and driven gear 53 rotates and can drive shower nozzle pipe 2 and rotate, and then realizes driving the effect of printing shower nozzle 3 pivoted.
In order to further optimize the above technical scheme, the top outer wall of nozzle pipe 2 is fixed with first ring 22, the bottom outer wall of discharging pipe 11 is fixed with second ring 111, and the adjacent terminal surface of first ring 22 and second ring 111 passes through gasket 7 butt joint, first ring 22 passes through clamp 6 with second ring 111 and is connected, and annular spacing groove 60 has been seted up to the inner wall of clamp 6, first ring 22, gasket 7 and second ring 111 all limit in annular spacing groove 60, first ring 22 can rotate in annular spacing groove 60 along with nozzle pipe 2's rotation, second ring 111 is fixed motionless in annular spacing groove 60.
By adopting the technical scheme, the invention can realize the following beneficial effects:
1) the second ring 111 and the first ring 22 are connected through the hoop 6, so that the nozzle pipe 2 and the discharge pipe 11 are convenient to disassemble and assemble;
2) the adjacent end surfaces of the first circular ring 22 and the second circular ring 111 are butted through the gasket 7, so that the butting tightness of the first circular ring 22 and the second circular ring 111 can be improved, and printing raw materials are prevented from leaking;
3) 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 nozzle pipe 2, and the second circular ring 111 is fixed in the annular limiting groove 60, so that the interference between the rotation of the printing nozzle 3 and the rotation of the material extruding rod 4 can be avoided.
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 print heads 3 can be exchanged on the head tube 2.
Also, the top end of the print head 3 is detachably connected to the bottom end of the head pipe 2 in a manner including, but not limited to, a screw connection.
In order to further optimize the above technical solution, the method further comprises: spacer 8, base 103's bottom mounting has locating plate 9, has seted up constant head tank 90 on the locating plate 9, has seted up cooperation groove 30 on printing the outer wall of shower nozzle 3 simultaneously, and cooperation groove 30 place plane is perpendicular with the spout 300 place face of printing on the shower nozzle 3, and the both ends one-to-one of spacer 8 is pegged graft in constant head tank 90 and cooperation groove 30, and 8 levels of spacer set up simultaneously.
By adopting the technical scheme, the invention can realize the following beneficial effects: before formal printing, two ends of the positioning piece 8 are correspondingly inserted into the positioning groove 90 and the matching groove 30 one by one, and the positioning piece 8 is horizontally arranged, so that the positioning groove 90 and the matching groove 30 can be aligned, and meanwhile, as the plane of the matching groove 30 is vertical to the plane of the nozzle 300 on the printing nozzle 3, 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 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 a horizontal plane, so that the quality of a printed finished product can be improved.
In order to further optimize the above technical solution, the extrusion rod 4 comprises: the diameter of the blade 42 is 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, the diameter of the blade 42 is gradually decreased from the position of the central rod 41 corresponding to the middle upper part of the charging basket 1 to the position of the central rod 41 corresponding to the middle part of the charging basket 1, the diameter of the blade 42 is gradually decreased from the position of the central rod 41 corresponding to the middle part of the charging basket 1 to the position of the central rod 41 corresponding to the bottom end of the charging basket 1, and the diameter of the blade 42 is gradually decreased from the position of the central rod 41 corresponding to the bottom end of the nozzle tube 2.
By adopting the technical scheme, the invention can realize the following beneficial effects:
1) the diameter of the blade 42 wound on the central rod 41 is 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 extruding rod 4 and the inner wall of the charging basket 1, printing materials can enter the blade 42 more easily, and feeding is facilitated;
2) the blades 42 extend from the position of the central rod 41 corresponding to the middle upper part of the charging basket 1 to the position of the central rod 41 corresponding to the middle part of the charging basket 1 by winding the large-diameter part of the central rod 41, so that greater pressure can be generated on the printing material in the lower half barrel of the charging basket 1, and discharging is smoother;
3) the diameter of the blades 42 wound on the central rod 41 is gradually reduced from the position of the central rod 41 corresponding to the middle of the charging barrel 1 to the position of the central rod 41 corresponding to the bottom end of the charging barrel 1, and the small-diameter part of the blades 42 wound on the central rod 41 and corresponding to the bottom end of the charging barrel 1 extends from the position of the central rod 41 corresponding to the bottom end of the charging barrel 1 to the position of the central rod 41 corresponding to the bottom end of the nozzle pipe 2, so that the discharging of the invention is smoother.
Example 1:
the embodiment of the invention discloses a rotary 3D printing device for a printing nozzle, which has the following working principle:
firstly, before printing, the printing nozzle 3 with the nozzle 300 as a non-circular opening is installed on the nozzle pipe 2, and the installation angle of the printing nozzle 3 is adjusted first, so that the installation angle of the printing nozzle 3 is zero: the two ends of the positioning piece 8 are correspondingly inserted into the positioning groove 90 and the matching groove 30 one by one, and the positioning piece 8 is horizontally arranged, so that the positioning groove 90 and the matching groove 30 can be aligned, meanwhile, the plane where the matching groove 30 is located is vertical to the plane where the nozzle 300 on the printing nozzle 3 is located, 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 to zero, namely, the printing nozzle 3 is vertically arranged on the nozzle pipe 2, and the plane where the nozzle 300 on the nozzle pipe 2 is located is a horizontal plane, so that the quality of printed finished products can be improved;
then, formal printing: the printing material is filled into the charging bucket 1 through the feeding pipe 12, and meanwhile, the control system is started, so that the extruding control motor 13 drives the extruding rod 4 to rotate, and the extruding rod 4 can drive the printing material 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 extrude the printing material through the spray nozzle 300 on the printing spray head 3; on the other hand, the printing nozzle control motor 14 drives the nozzle 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 nozzle pipe 2 drives the printing nozzle 3 to rotate, and the nozzle 300 on the printing nozzle 3 is a non-circular opening, so that the discharging form of the printing nozzle 3 can be adjusted in the rotating process of the printing nozzle 3, the times of replacing printing devices with nozzles of other shapes can be reduced, and the printing efficiency can be improved and the cost can be reduced.
When the nozzle 300 on the printing nozzle 3 is a round nozzle, the printing nozzle control motor 14 is not needed to drive the nozzle pipe 2 to rotate through the transmission mechanism 5, and the printing nozzle 3 does not rotate at this time.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
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 (10)
1. The utility model provides a print shower nozzle rotation type 3D printing device which characterized in that includes:
the material barrel (1) is vertically fixed on a support (10), the top end of the material barrel (1) is an open end, the bottom end of the material barrel is communicated with a discharge pipe (11), the side part of the material barrel is communicated with a feed pipe (12), and a material extruding control motor (13) and a printing spray head 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) can rotate 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 nozzle (3) is vertically arranged, the top end of the printing nozzle (3) is connected to the bottom end of the nozzle pipe (2), meanwhile, the inner cavity of the nozzle pipe (2) is communicated with the inner cavity of the printing nozzle (3), and a nozzle (300) on the printing nozzle (3) is a non-circular opening;
the material extruding rod (4) is vertically arranged and sequentially penetrates into the inner cavities of the charging barrel (1), the discharging pipe (11) and the spray head pipe (2), and the top end of the material extruding rod (4) penetrates through the opening end of the charging barrel (1) and is connected with the material extruding control motor (13);
drive mechanism (5), drive mechanism (5) are connected respectively print shower nozzle control motor (14) with shower nozzle pipe (2), print shower nozzle control motor (14) and pass through drive mechanism (5) drive shower nozzle pipe (2) rotate, in order to drive print shower nozzle (3) and rotate.
2. Print head rotary 3D printing device according to claim 1, wherein the carriage (10) comprises:
the supporting seat (101), an epitaxial plate (102) is fixed at the top end of the supporting seat (101), and a first through hole (100) penetrates through the epitaxial plate (102);
the supporting seat (101) is fixed on the base (103), and an object placing space (110) is defined among the base (103), the supporting seat (101) and the epitaxial plate (102);
a top cover (104), wherein the top cover (104) covers the first through hole (100) and is connected with the extension plate (102) through a snap fit.
3. The printing nozzle rotary 3D printing device according to claim 2, the charging basket (1) is fixed in the storage space (110), the extruding control motor (13) is fixed on the top cover (104), a second through hole (120) penetrates through the top cover (104), the top end of the extrusion rod (4) penetrates through the second through hole (120) to be connected with an output shaft of the extrusion control motor (13), meanwhile, a third through hole (130) penetrates through the base (103), the bottom end of the spray head pipe (2) penetrates through the third through hole (130) and is positioned at the bottom end of the base (103), meanwhile, a mounting channel (140) penetrates through the base (103), the feeding pipe (12) is fixed in the mounting channel (140), and the mouth of the feed tube (12) extends outside the mounting channel (140).
4. The printing nozzle rotary 3D printing device according to claim 3, wherein a receiving cavity is formed in the supporting seat (101), a mounting groove (150) communicated with the third through hole (130) is formed in the base (103), a fourth through hole (160) communicated with the receiving cavity and the mounting groove (150) is formed at the bottom end of the supporting seat (101), 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, a fifth through hole (170) communicated with the receiving cavity is formed at the top end of the supporting seat (101), and the printing nozzle control motor (14) is fixed at 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) to be connected with a structure of the transmission mechanism (5) located in the containing cavity, and meanwhile, a structure of the transmission mechanism (5) located in the installation groove (150) is connected with a position of the nozzle pipe (2) located in the third through hole (130).
5. Printing head rotary 3D printing device according to claim 4, wherein said 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 an output shaft of the printing spray head control motor (14), and the bottom end of the rotating shaft (51) 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 clamped with the outer wall of the spray head pipe (2);
and the transmission chain (54) is in transmission connection with the driving gear (52) and the driven gear (53) respectively.
6. The rotary 3D printing device of the printing nozzle according to claim 5, wherein a plurality of protruding strips (21) are fixed on the outer wall of the nozzle pipe (2) along the circumferential direction, 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, and the protruding strips (21) are clamped with the clamping grooves (531) in a one-to-one correspondence manner.
7. The printing nozzle rotary 3D printing device according to claim 1, 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), and the adjacent end surfaces of the first circular ring (22) and the second circular ring (111) are butted through a gasket (7), meanwhile, the first circular ring (22) is connected with the second circular ring (111) through a clamping hoop (6), and the inner wall of the hoop (6) is provided with an annular limiting groove (60), the first circular ring (22), the gasket (7) and the second circular ring (111) are all 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 nozzle pipe (2), the second circular ring (111) is fixed in the annular limiting groove (60).
8. Printing nozzle rotary 3D printing device according to claim 1, wherein the top end of the printing nozzle (3) is detachably connected to the bottom end of the nozzle tube (2).
9. The rotary 3D printing device of claim 2, further comprising: the bottom mounting of base (103) has locating plate (9), locating groove (90) have been seted up on locating plate (9), simultaneously cooperation groove (30) have been seted up on the outer wall of printing shower nozzle (3), just cooperation groove (30) place plane with spout (300) place face on the printing shower nozzle (3) is perpendicular, the both ends one-to-one of locating plate (8) is pegged graft in locating groove (90) with in cooperation groove (30), simultaneously locating plate (8) level sets up.
10. Printing head rotary 3D printing device according to claim 1, wherein the extrusion stem (4) comprises: well core rod (41) with around establishing and fixing blade (42) on well core rod (41), just blade (42) are around establishing the diameter of well core rod (41) is from the top of well core rod (41) to well core rod (41) corresponds the position of upper portion gradually increases in storage bucket (1), and blade (42) are around establishing the major diameter part of well core rod (41) is from well core rod (41) corresponds the position of upper portion to well core rod (41) corresponds the position at storage bucket (1) middle part extends, blade (42) are around establishing the diameter of well core rod (41) is from well core rod (41) corresponds the position at storage bucket (1) middle part to well core rod (41) corresponds the position of storage bucket (1) bottom reduces gradually, and blade (42) are around establishing well core rod (41), And the small-diameter part corresponding to the bottom end position of the charging barrel (1) extends from the position of the central rod (41) corresponding to the bottom end of the charging barrel (1) to the position of the central rod (41) corresponding to the bottom end of the nozzle pipe (2).
Priority Applications (1)
| 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 |
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| CN202111188610.5A CN113844029B (en) | 2021-10-12 | 2021-10-12 | Print shower nozzle rotation type 3D printing device |
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| CN113844029A true CN113844029A (en) | 2021-12-28 |
| CN113844029B CN113844029B (en) | 2023-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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|---|---|
| CN113844029B (en) | 2023-08-18 |
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