CN106903776A - A kind of 3D printing shower nozzle and 3D printer suitable for concrete - Google Patents
A kind of 3D printing shower nozzle and 3D printer suitable for concrete Download PDFInfo
- Publication number
- CN106903776A CN106903776A CN201710112922.5A CN201710112922A CN106903776A CN 106903776 A CN106903776 A CN 106903776A CN 201710112922 A CN201710112922 A CN 201710112922A CN 106903776 A CN106903776 A CN 106903776A
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- China
- Prior art keywords
- feed pipe
- concrete
- shower nozzle
- printing
- printing shower
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of 3D printing shower nozzle suitable for concrete, including feed pipe, the motor installed in feed pipe top, the helical screw agitator axle being located in feed pipe, it is located at the nozzle of feeding bottom of the tube and feed pipe connection and for the siccative delivery pipe to delivering concrete siccative in feed pipe, and for the liquid material delivery pipe to delivering concrete liquid material in feed pipe, helical screw agitator axle is driven and by motor for mixing concrete and it is extruded from nozzle；Concrete is divided into siccative and liquid material conveying, and both is mixed at the import of feed pipe, electric motor driven screw agitating shaft is stirred in feed pipe, so that concrete is stirred during spiral pushing, time of the concrete in feed pipe can be reduced, ensure concrete will not plugging, the concrete being stirred under the promotion of helical screw agitator axle through nozzle extrude, according to construction drawing be superimposed printing shaping.The invention also discloses a kind of 3D printer including above-mentioned 3D printing shower nozzle.
Description
Technical field
The present invention relates to 3D printing technique field, more particularly to a kind of 3D printing shower nozzle suitable for concrete.Additionally,
The invention further relates to a kind of 3D printer including above-mentioned 3D printing shower nozzle.
Background technology
3D printer is, by computer control, various " printed materials " by layer upon layer, design drawing to be changed into real
The machine of thing, 3D printing technique is a kind of with greatly breakthrough technology.
The material of 3D printing needs to reach the intensity of needs within the regular hour, otherwise just occurs significantly moulding
Deformation is even collapsed.Current 3D printing technique commonly uses the file printings such as ABS, PLA, photosensitive resin material object, there is only a few
3D printing is carried out using special materials such as metals, and the general mobility of concrete currently on the market is very big, it is difficult rapid hardening
Rapid-result type, if using the less concrete of mobility, it can be hardened but in course of conveying it is difficult to ensure that not plugging quickly,
Therefore be applied at present building trade 3D printing it is few, more it is a kind of dedicated for small-size concrete test specimen printing
3D printer and nozzle specially used.
Therefore the problems such as concrete easily hardens plugging during 3D printing how is solved, is that those skilled in the art need at present
The technical problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of 3D printing shower nozzle suitable for concrete, its structure design can solve the problem that 3D beats
Concrete easily hardens the problem of plugging during print.It is a further object of the present invention to provide a kind of including above-mentioned 3D printing shower nozzle
3D printer.
In order to solve the above technical problems, a kind of present invention 3D printing shower nozzle suitable for concrete of offer, including feed pipe,
Motor installed in the feed pipe top, the helical screw agitator axle being located in the feed pipe, it is located at the feeding bottom of the tube
Nozzle and the feed pipe are connected and for the siccative delivery pipe to delivering concrete siccative in the feed pipe, and are used for
To the liquid material delivery pipe of delivering concrete liquid material in the feed pipe, the helical screw agitator axle driven by the motor and for
Concrete is mixed in the feed pipe and it is extruded from the nozzle.
Preferably, the feeding outlet and the feeding of the liquid material delivery pipe of the siccative delivery pipe is exported in the feed pipe
Upper coincidence.
Preferably, the helical screw agitator axle connects with the interior wall seamless of the feed pipe.
Preferably, the negative side that the siccative delivery pipe is connected with the feed pipe and extruded to the feed pipe inner concrete
To inclination.
Preferably, a diameter of 5mm to 10mm of the nozzle.
Preferably, also including fixed block, the feed pipe is arranged on the downside of the fixed block, and the motor is arranged on institute
The upside and its line shaft for stating fixed block are connected with the helical screw agitator axle in institute's feed pipe through stretching into after the fixed block.
Preferably, the flow agent for measuring concrete discharge velocity is installed at the nozzle.
Preferably, also including the slewing rate for adjusting the helical screw agitator axle according to the measurement data of the flow agent
And adjust the controller of the feed rate of the siccative delivery pipe and the liquid material delivery pipe.
Preferably, the motor is stepper motor.
The present invention also provides a kind of 3D printer suitable for concrete, including printing body and 3D printing shower nozzle, described
3D printing shower nozzle is specially the 3D printing shower nozzle described in above-mentioned any one.
The 3D printing shower nozzle suitable for concrete that the present invention is provided, including feed pipe, the electricity installed in feed pipe top
Machine, the helical screw agitator axle being located in feed pipe, the nozzle for being located at feeding bottom of the tube and feed pipe are connected and in feed pipe
The siccative delivery pipe of delivering concrete siccative, and for the liquid material delivery pipe to delivering concrete liquid material in feed pipe, screw rod
Agitating shaft is driven and by motor for mixing concrete in feed pipe and it is extruded from nozzle.
Concrete is divided into siccative and liquid material conveying, and concrete drier and liquid material is mixed at the import of feed pipe,
Electric motor driven screw agitating shaft is stirred in feed pipe so that concrete is stirred during spiral pushing, so may be used
To reduce time of the concrete in feed pipe, it is ensured that concrete will not plugging, the concrete being stirred is in helical screw agitator
Extruded through nozzle under the promotion of axle, printing shaping is superimposed according to construction drawing；In sum, the present invention provide suitable for coagulation
The 3D printing shower nozzle of soil, simple structure is easy to use, can solve the problem that the problem of the easy plugging of concrete etc..
The 3D printer that the present invention is provided includes above-mentioned 3D printing shower nozzle, because above-mentioned 3D printing shower nozzle has above-mentioned technology
Effect, above-mentioned 3D printer should also have same technique effect, no longer be discussed in detail herein.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of 3D printing shower nozzle provided by the present invention；
Fig. 2 is the A-A in Fig. 1 to sectional view；
Fig. 3 is the close-up schematic view of Fig. 2.
Specific embodiment
Core of the invention is to provide a kind of 3D printing shower nozzle suitable for concrete, and its structure design can solve the problem that 3D beats
Concrete easily hardens the problem of plugging during print.Another core of the invention is to provide a kind of including above-mentioned 3D printing shower nozzle
3D printer.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 to Fig. 3 is refer to, Fig. 1 is a kind of structure of specific embodiment of 3D printing shower nozzle provided by the present invention
Schematic diagram；Fig. 2 is the A-A in Fig. 1 to sectional view；Fig. 3 is the close-up schematic view of Fig. 2.
The 3D printing shower nozzle suitable for concrete that the specific embodiment of the invention is provided, including feed pipe 3, the and of motor 1
The helical screw agitator axle 4 in feed pipe 3 is located at, motor 1 is installed on the top of feed pipe 3, nozzle is provided with the bottom of feed pipe 3
5, the line shaft of motor 1 is connected with helical screw agitator axle 4, and helical screw agitator axle 4 is driven by motor 1, also including siccative delivery pipe 7 and liquid
Material conveying tube 8, siccative delivery pipe 7 is located on the tube wall of feed pipe 3 and is connected with feed pipe 3, for mixed to being conveyed in feed pipe 3
Solidifying soil siccative, liquid material delivery pipe 8 is connected with feed pipe 3, for delivering concrete liquid material in feed pipe 3, helical screw agitator axle 4 to exist
Ready-mixed concrete and it is set to be extruded from nozzle 5 under the driving of motor 1 and in feed pipe 3.
The 3D printing shower nozzle suitable for concrete that the present invention is provided, is divided into siccative and liquid material conveying, and make by concrete
Concrete drier and liquid material mix at the import of feed pipe 3, and the drive screw agitating shaft 4 of motor 1 is stirred in feed pipe 3, is made
Obtain concrete to be stirred during spiral pushing, can so reduce time of the concrete in feed pipe 3, it is ensured that be mixed
Solidifying soil will not plugging, the concrete being stirred is extruded under the promotion of helical screw agitator axle 4 through nozzle 5, according to construction drawing
Superposition printing shaping.
In addition, siccative delivery pipe 7 and liquid material delivery pipe 8 can ensure synchronous charging, by adjusting concrete drier and liquid
The charging rate of material, goes for the concrete of different ratio, and the rotating speed by regulation motor 1 is adjusting screw rod agitating shaft 4
Rotating speed, control the discharging speed of concrete, and then coordinate extraneous curing condition regulation concrete coagulation setting rate, reach more
Good 3D printing effect.
In sum, the 3D printing shower nozzle suitable for concrete that the present invention is provided, simple structure is easy to use, can
By changing conveying rate adaptation concrete coagulation setting rate, the problem of the easy plugging of concrete etc. is can solve the problem that.
The 3D printing shower nozzle suitable for concrete that the specific embodiment of the invention is provided, concrete drier and concrete liquid
Material is pumped in feed pipe 3 by siccative delivery pipe 7 and liquid material delivery pipe 8 respectively, then is mixed, specifically, can be with
The feeding outlet of siccative delivery pipe 7 and the feeding of liquid material delivery pipe 8 outlet are arranged on the same position on feed pipe 3, i.e., it is dry
The feeding outlet of material conveying tube 7 and the feeding of liquid material delivery pipe 8 are exported and overlapped on feed pipe 3, with ensure concrete drier and
Liquid material starts mixing when feed pipe 3 is entered, and can reach and preferably mix effect.
Liquid material delivery pipe 8 can also be located in siccative delivery pipe 7, and be located at the feeding outlet near siccative delivery pipe 7
Position, liquid material delivery pipe 8 is connected with feed pipe 3 by siccative delivery pipe 7, entering concrete drier and concrete liquid material
Start mixing before entering feed pipe 3 in siccative delivery pipe 7, also within protection scope of the present invention.
The specific embodiment of the invention provide the 3D printing shower nozzle suitable for concrete, helical screw agitator axle 4 preferably with give
The interior wall seamless of expects pipe 3 connects, i.e., the major diameter of thread of helical screw agitator axle 4 is identical with the inner diameter of feed pipe 3, and ensure that
Helical screw agitator axle 4 is freely rotated in feed pipe 3, so enables to be stirred along screw rod all the time into the concrete in feed pipe 3
The thread groove for mixing axle 4 is pushed, and is not in that concrete material is stuck in gap and causes that helical screw agitator axle 4 is out of service to ask
Topic.
On the basis of above-mentioned each specific embodiment, the 3D suitable for concrete that the specific embodiment of the invention is provided
Printing head, when siccative delivery pipe 7 is connected with feed pipe 3, it is anti-that siccative delivery pipe 7 can be extruded to the inner concrete of feed pipe 3
Direction inclines, i.e., siccative delivery pipe 7 tilts upward extension so that concrete material can smoothly enter feed pipe 3, and will not
Charging aperture is blocked, material will not be dripped and caused to waste.
In addition, to ensure that the concrete material into feed pipe 3 can be stirred, siccative delivery pipe 7 can be located at
Feed pipe 3 can so maximally utilize feed pipe 3 near one end of motor 1, extend mixing time.
The 3D printing shower nozzle suitable for concrete that the specific embodiment of the invention is provided, nozzle 5 can be with feed pipe 3 one
It is body formed, you can so that the bottom of feed pipe 3 directly is integrated into nozzle 5, it is possible to reduce the parts that whole device is used, to subtract
Light dead-weight, and reduce work flow；Certainly, nozzle 5 and feed pipe 3 can also be processed individually, again by nozzle 5 by weldering during assembling
The mode such as connect to be connected with feed pipe 3, also within protection scope of the present invention.
The materials such as granular size and traditional ABS due to concrete material are different, to ensure the smooth of concrete material
Printing, the 3D printing shower nozzle suitable for concrete that the specific embodiment of the invention is provided can be using the spray of circular major diameter
Mouth 5, the diameter of nozzle 5 can specifically be adjusted in the range of 5mm to 10mm, and certainly, the specific diameter and shape of nozzle 5 are not
It is limited to this, can be adjusted according to different operating modes, within protection scope of the present invention.
On the basis of above-mentioned each specific embodiment, the 3D suitable for concrete that the specific embodiment of the invention is provided
Printing head, for convenience of the connection and fixation of each part, can also include fixed block 2, and feed pipe specifically may be mounted at fixation
The downside of block 2, motor 1 may be mounted at the upside of fixed block 2, and the line shaft of motor 1 can be stretched into after through fixation and sent
It is connected in expects pipe 3 and with helical screw agitator axle 4；So, feed pipe is fixedly connected by fixed block 2 with motor 1, and is operationally protected
Hold and maintain static, the line shaft of motor 1 drives helical screw agitator axle 4 to rotate.Fixed block 2 is specifically as follows aluminium block, and density is small, weight
Gently；It is of course also possible to from iron block etc. as fixed block 2, also within protection scope of the present invention.
On the basis of above-mentioned each specific embodiment, the 3D suitable for concrete that the specific embodiment of the invention is provided
Printing head, can be provided with flow agent 6 at nozzle 5, and the discharging speed of concrete at nozzle 5 can be measured by flow agent 6
Rate, and then can in real time understand the material situation that decided, and adjusting bolt operating speed can be returned to according to the measurement data of flow agent 6
Rate and concrete feed rate.
Be further improve 3D printing intellectuality and automation, the specific embodiment of the invention provide suitable for coagulation
The 3D printing shower nozzle of soil, can also include controller, controller and flow agent 6, motor 1, concrete dry material conveying pump and mixed
Solidifying soil liquid material delivery pump connection, its measurement data that can receive flow agent 6, and can be adjusted according to the measurement data of flow agent 6
The conveying power of the section rotating speed of motor 1, the solidifying soil siccative delivery pump of regulation and concrete liquid material delivery pump, and then adjusting screw rod agitating shaft
4 rotating speed and concrete drier and the feed rate of liquid material.
The 3D printing shower nozzle suitable for concrete that the specific embodiment of the invention is provided, motor 1 specifically can be from step
Stepper motor 1, convenient control, and after modification is programmed on the basis of existing 3D printer original program, you can as concrete
3D printing program be continuing with, it is possible to reduce the programming time of user.
Except above-mentioned 3D printing shower nozzle, specific embodiment of the invention also provides a kind of including above-mentioned 3D printing shower nozzle
Suitable for the 3D printer of concrete, the structure of the 3D printer other each several parts refer to prior art, repeat no more herein.
When the 3D printer provided using the present invention carries out concrete material printing, can first according to the thing of building concrete
Material match ratio, prepares the enough siccative for configuring in proportion and liquid material, separate configurations, and tentatively mix thoroughly respectively；Then 3D is debugged
Printer, commissioning device exploitation speed and siccative liquid material transfer rate, it is ensured that the proportioning of concrete is correct；To tentatively mix thoroughly again
Concrete drier and liquid material being transported in respective storage warehouse by delivery pump continuous uniform；Stored in storehouse to be stored certain
After the material of amount, start 3D printer, open charging switch, be layered according to construction drawing and printed, superposition shaping；In print procedure
In, the data that can be fed back by flow tester carry out minor adjustment to equipment operation speed, to reach preferably printing effect
Really；After printing is finished, pass hull closure.
The 3D shower nozzles and 3D printer suitable for concrete provided by the present invention is described in detail above.Herein
In apply specific case principle of the invention and implementation method be set forth, the explanation of above example is only intended to side
Assistant solves the method for the present invention and its core concept.It should be pointed out that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into
In the protection domain of the claims in the present invention.
Claims (10)
1. a kind of 3D printing shower nozzle suitable for concrete, it is characterised in that including feed pipe, installed in the feed pipe top
Motor, the helical screw agitator axle being located in the feed pipe, the nozzle for being located at the feeding bottom of the tube and the feed pipe connection
And for the siccative delivery pipe to delivering concrete siccative in the feed pipe, and for conveying coagulation in the feed pipe
The liquid material delivery pipe of native liquid material, the helical screw agitator axle is driven and mixed for being mixed in the feed pipe by the motor
Solidifying soil simultaneously makes it be extruded from the nozzle.
2. 3D printing shower nozzle according to claim 1, it is characterised in that the feeding outlet of the siccative delivery pipe and described
The feeding of liquid material delivery pipe is exported and overlapped on the feed pipe.
3. 3D printing shower nozzle according to claim 2, it is characterised in that in the helical screw agitator axle and the feed pipe
Wall seamless connects.
4. 3D printing shower nozzle according to claim 3, it is characterised in that the siccative delivery pipe is connected with the feed pipe
And the opposite direction extruded to the feed pipe inner concrete is inclined.
5. 3D printing shower nozzle according to claim 4, it is characterised in that a diameter of 5mm to 10mm of the nozzle.
6. 3D printing shower nozzle according to claim 1, it is characterised in that also including fixed block, the feed pipe is arranged on
The downside of the fixed block, the motor is arranged on the upside of the fixed block and its line shaft is through stretching into after the fixed block
It is connected with the helical screw agitator axle in institute's feed pipe.
7. the 3D printing shower nozzle according to claim 1 to 6 any one, it is characterised in that be provided with the nozzle
Flow agent for measuring concrete discharge velocity.
8. 3D printing shower nozzle according to claim 7, it is characterised in that also including for the measurement according to the flow agent
Data adjust the slewing rate of the helical screw agitator axle and adjust the charging of the siccative delivery pipe and the liquid material delivery pipe
The controller of speed.
9. 3D printing shower nozzle according to claim 8, it is characterised in that the motor is stepper motor.
10. a kind of 3D printer suitable for concrete, including printing body and 3D printing shower nozzle, it is characterised in that the 3D
Printing head is specially the 3D printing shower nozzle described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710112922.5A CN106903776A (en) | 2017-02-28 | 2017-02-28 | A kind of 3D printing shower nozzle and 3D printer suitable for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710112922.5A CN106903776A (en) | 2017-02-28 | 2017-02-28 | A kind of 3D printing shower nozzle and 3D printer suitable for concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106903776A true CN106903776A (en) | 2017-06-30 |
Family
ID=59208118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710112922.5A Pending CN106903776A (en) | 2017-02-28 | 2017-02-28 | A kind of 3D printing shower nozzle and 3D printer suitable for concrete |
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| CN107553710A (en) * | 2017-10-17 | 2018-01-09 | 河北工业大学 | A kind of cement-based material 3D printing classification storage conveying mechanism |
| CN108656524A (en) * | 2018-07-04 | 2018-10-16 | 青岛理工大学 | Micro-nano 3D printing device driven by integrated nozzle electric field and working method thereof |
| CN108772938A (en) * | 2018-05-29 | 2018-11-09 | 中建西部建设西南有限公司 | A kind of concrete 3D printing nozzle and printer |
| WO2019030330A1 (en) * | 2017-08-09 | 2019-02-14 | Sika Technology Ag | Device for applying a building material |
| CN109371971A (en) * | 2018-10-09 | 2019-02-22 | 河海大学 | Novel spray-head device and application method for pile foundation 3D printing concrete |
| CN109366999A (en) * | 2018-12-20 | 2019-02-22 | 大连学庆铭锋数控技术有限公司 | A kind of 3D printing ejecting device of material stirring and extrusion while progress |
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| CN110997261A (en) * | 2017-08-09 | 2020-04-10 | Sika技术股份公司 | Method for coating a mineral binder component containing fibres |
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| CN107553710A (en) * | 2017-10-17 | 2018-01-09 | 河北工业大学 | A kind of cement-based material 3D printing classification storage conveying mechanism |
| CN107553710B (en) * | 2017-10-17 | 2024-03-29 | 河北工业大学 | Hierarchical storage conveying mechanism is printed to cement-based material 3D |
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