CN113442259A - 3D printing concrete color spraying system and using method - Google Patents
3D printing concrete color spraying system and using method Download PDFInfo
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- CN113442259A CN113442259A CN202110676689.XA CN202110676689A CN113442259A CN 113442259 A CN113442259 A CN 113442259A CN 202110676689 A CN202110676689 A CN 202110676689A CN 113442259 A CN113442259 A CN 113442259A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0481—Plant for proportioning, supplying or batching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
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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
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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Abstract
The invention relates to a 3D printing concrete color spraying system and a using method thereof, belongs to the technical field of 3D printing, and realizes high-precision and high-printing-efficiency 3D printing concrete color printing. The system comprises a batching module, a mixing module and a spraying module, wherein the batching module comprises at least one pigment bin and a dry powder mortar bin, and the batching module is used for conveying pigment and dry powder mortar to the mixing module after weighing and collecting the pigment and the dry powder mortar; the module of mixing becomes the dry blend with pigment and dry powder mortar misce bene earlier, then become the spray coating with water and dry blend misce bene, the spraying module mainly includes the coating shower nozzle and prints the shower nozzle, the pump feeder is with the spray coating along coating passage pump sending to the coating shower nozzle, the motor drives drive gear rotatory under control system's effect, driven gear is under drive gear's drive, it changes to and prints the strip top to drive the coating shower nozzle, when printing the strip and extruding from printing the shower nozzle, the coating shower nozzle is printing strip top and the even spraying material in both sides.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a 3D printing concrete color spraying system and a using method thereof.
Background
3D printing technology has begun to develop in every industry, and 3D prints concrete technique as the representative of 3D printing technology in the building field, and compare with other 3D printing fields, it is bigger to print the finished product volume, and the printing process is rough relatively, consumes more resources.
At present, the research on the 3D printing concrete color printing technology is mostly focused on the aspect of printing materials, namely, the printing materials are directly printed by color mortar, the printing materials are convenient and fast, pigments are wasted, the printing materials are low in mixing efficiency, the color replacement efficiency in the printing process is low, the printing spray heads are easily polluted, and the mutual pollution among the printing color materials is easily caused. Therefore, in view of the foregoing problems, it is necessary to develop a 3D printing concrete color spraying system and a method of using the same, which can save pigment and have high printing efficiency.
Disclosure of Invention
The invention aims to provide a 3D printing concrete color spraying system and a using method thereof. In order to solve the technical problems, the technical scheme of the invention is as follows:
A3D prints colored paint finishing of concrete, includes:
the device comprises a batching module, a feeding module and a feeding module, wherein the batching module comprises at least one pigment bin, a dry powder mortar bin and a feeding cylinder, gravity sensors are arranged at the tops of the pigment bin and the dry powder mortar bin, the bottoms of the pigment bin and the dry powder mortar bin are connected with the feeding cylinder, and feeding channels are arranged below the pigment bin and the dry powder mortar bin;
the mixing module comprises a dry mixer, a dry powder material guide pipe, a negative pressure machine and a wet mixer, the dry mixer is communicated with the material guide cylinder, the negative pressure machine is arranged on the wet mixer, one end of the dry powder material guide pipe is connected with the dry mixer, and the other end of the dry powder material guide pipe is connected with the negative pressure machine;
the spraying module comprises a material pumping machine, a paint sprayer, a driven gear, a transmission gear and a printing sprayer, wherein the material pumping machine is connected with the wet mixer, the paint sprayer is installed on the driven gear, the driven gear is installed on the printing sprayer, the driven gear is meshed with the transmission gear, and a motor drives the transmission gear so as to drive the paint sprayer to rotate;
the batching module, the mixing module and the spraying module are all adjusted through the control system.
Further, a stirring rod is arranged in the pigment bin.
Furthermore, the material guide cylinder comprises a material guide screw rod and a material guide silo, the axis of the material guide screw rod is superposed with the axis of the material guide silo, the material guide silo and the horizontal plane form a certain inclination angle, the material guide screw rod is installed in the material guide silo through a support shaft, two ends of the support shaft are rotatably installed on two end plates of the material guide silo, and a channel communicated with the dry mixer is arranged at the bottom end of the material guide silo.
Further, the batching module includes batching box, first pigment storehouse, second pigment storehouse, dry powder mortar feed bin and guide cylinder, first pigment storehouse, second pigment storehouse and dry powder mortar feed bin all install in the batching box top, the below all with the guide cylinder is connected, the guide cylinder is certain angle and installs the batching box middle part.
Furthermore, electric throttle valves are installed at discharge ports of the first pigment bin, the second pigment bin and the dry powder mortar bin and used for accurately controlling the discharge amount.
Further, the mixing module further comprises a water guide pipe and a flowmeter, the dry mixer and the wet mixer are both arranged on the batching box, the dry mixer is communicated with the guide cylinder, and the dry mixer uniformly mixes the pigment and the dry powder mortar introduced from the guide cylinder into dry mixed materials; the flow meter is arranged on the water guide pipe and used for accurately controlling the water adding amount, the wet mixing machine injects water through the water guide pipe, and the dry mixture and the water are uniformly mixed to form the spray coating material by the wet mixing machine.
Further, the lowest position of the coating sprayer is flush with the lowest position of the printing sprayer, and the spraying position of the coating sprayer on the printing strip is not more than 5mm from the edge of the discharge hole of the printing sprayer.
The invention also provides a using method of the 3D printing concrete color spraying system, which comprises the following steps:
step S1, providing the 3D printing concrete color spraying system for standby;
s2, weighing and collecting the pigment and the dry-mixed mortar by the batching module, and conveying the pigment and the dry-mixed mortar to the mixing module;
step S3, the mixing module firstly uniformly mixes the pigment and the dry powder mortar to form dry mixture, and then uniformly mixes the water and the dry mixture to form spray coating;
and step S4, the spraying module sprays the spraying material on the printing strip according to the printing path.
Further, the pigment a: pigment b: dry powder mortar: water 2: 2: 100:
25 preparing 1L of spray coating to spray the printing strip, wherein the density of the color mortar spray coating is 2kg/L, and the method comprises the following steps:
step S1, loading pigment a into a first pigment bin, loading pigment b into a second pigment bin, loading dry powder mortar into a dry powder mortar bin, and respectively transmitting the weight information of the first pigment bin, the second pigment bin and the dry powder mortar bin to a control system in real time by a first gravity sensor, a second gravity sensor and a third gravity sensor;
the control system opens a throttle valve of the first pigment bin, the first stirring rod starts to rotate, the pigment a in the first pigment bin starts to fall to the material guide cylinder along the first material conveying channel, and when the mass of the first pigment bin is reduced by 31g, the control system controls the throttle valve to be closed, and the first stirring rod stops rotating;
meanwhile, the control system opens a throttle valve of the second pigment bin, the second stirring rod starts to rotate, the pigment b in the second pigment bin starts to fall to the material guide cylinder along the second material conveying channel, and when the mass of the second pigment bin is reduced by 31g, the control system controls the throttle valve to be closed, and the second stirring rod stops rotating;
meanwhile, the control system opens a throttle valve of the dry powder mortar bin, the third stirring rod starts to rotate, the dry powder mortar in the dry powder mortar bin starts to fall to the guide cylinder along the third conveying channel, when the mass of the dry powder mortar bin is reduced by 1550g, the control system controls the throttle valve to be closed, and the third stirring rod stops rotating;
meanwhile, the material guide screw rod starts to rotate, and the pigment and the dry-mixed mortar in the material guide cylinder are conveyed to the dry mixer 6;
step S2, when the throttle valves in the step S1 are closed for 5S, the guide screw stops rotating, the dry mixer starts to rotate and stops after rotating for 30S, the pigment a, the pigment b and the dry powder mortar are uniformly mixed to form dry mixture, a channel among the dry mixer, the dry powder guide pipe, the negative pressure machine and the wet mixer is opened, the dry mixture is conveyed to the wet mixer through the dry powder guide pipe by the negative pressure machine, the water guide pipe is opened, the water flow meter transmits the water passing through the water guide pipe to the control system in real time, when the water flow reaches 388ml, the water guide pipe is closed, the wet mixer starts to work and stops after two minutes, and the dry mixture and the water are uniformly mixed to form spray coating;
and step S3, after the wet mixer stops working, a channel between the material pumping machine and the wet mixer is opened, the wet mixer starts to rotate, the spray paint completely enters the material pumping machine, the wet mixer is closed, the spray paint is pumped to the paint sprayer by the material pumping machine along the paint guide pipe, meanwhile, the motor drives the transmission gear to rotate under the action of the control system according to the printing path, the driven gear drives the paint sprayer to rotate above the printing strip under the drive of the transmission gear, and the paint sprayer uniformly sprays the spray paint above and on two sides of the printing strip while the printing strip is extruded from the printing sprayer.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) the invention provides a 3D printing concrete color spraying system which comprises a batching module, a mixing module and a spraying module, wherein the batching module comprises at least one pigment bin and a dry powder mortar bin, and the batching module is used for weighing and collecting pigment and dry powder mortar and conveying the pigment and the dry powder mortar to the mixing module; the module of mixing becomes the dry blend with pigment and dry powder mortar misce bene earlier, then become the spray coating with water and dry blend misce bene, the spraying module mainly includes the coating shower nozzle and prints the shower nozzle, the pump feeder is with the spray coating along coating passage pump sending to the coating shower nozzle, the motor drives drive gear rotatory according to printing the route under control system's effect, driven gear is under drive gear's drive, it changes to and prints the strip top to drive the coating shower nozzle, when printing the strip and extruding from printing the shower nozzle, the coating shower nozzle is printing strip top and the even spraying material in both sides. The invention can realize color printing of 3D printed concrete, and the printing color can be adjusted in the printing process, thereby realizing single-color and multi-color printing of various pigments.
(2) The 3D printing concrete color spraying system can be used as an independent product for production, and can be used only by being installed on a traditional 3D printing concrete printer.
(3) According to the 3D printing concrete color spraying system and the using method, the color printing of 3D printing concrete is realized by adopting a spraying mode instead of directly printing color mortar, so that the pigment is saved, the cost is reduced, and the color adjusting precision and the color printing efficiency are improved.
(4) According to the 3D printing concrete color spraying system and the using method thereof, the color printing of 3D printing concrete is realized by adopting a printing strip-by-strip spraying mode synchronous with the printing process, and the printing strip is taken as a spraying and coloring unit, so that the color printing precision is improved.
Drawings
FIG. 1 is a schematic structural diagram of a 3D printing concrete color spraying system according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a batching module in the 3D printing concrete color spraying system according to the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a mixing module in a 3D printing concrete color spraying system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a spraying module in the 3D printing concrete color spraying system according to the embodiment of the invention.
In the figure:
1-a batching box; 2-a first pigment bin; 3-a second pigment bin; 4-dry powder mortar stock bin; 5-a guide cylinder and 6-a dry mixer; 7-dry powder material guide pipe; 8-a negative pressure machine; 9-a water conduit; 10-a flow meter; 11-a wet mixer; 12-a pump feeder; 13-a paint guide pipe; 14-a print head; 15-a paint spray head; 16-a bearing; 17-a driven gear; 18-a transmission gear; 19-a motor; 21-a first gravity sensor; 22-a first motor; 23-a first stirring rod; 24-a first silo; 25-a first delivery channel; 31-a second gravity sensor; 32-a second motor; 33-a second stirring rod; 34-a second silo; 35-a second delivery channel; 41-third gravity sensor; 42-a third motor; 43-third stirring rod; 44-a third silo; 45-a third material conveying channel; 51-a material guide screw rod; 52-guide silo.
Detailed Description
The 3D printing concrete color spraying system and the method of using the same according to the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
The structural components of the 3D printing concrete color spraying system of the present invention will be described in detail with reference to fig. 1 to 4.
Example one
As shown in fig. 1 to 4, the 3D printing concrete color spraying system of the present invention includes a batching box 1, a batching module, a mixing module and a spraying module.
The batching module comprises a first pigment bin 2, a second pigment bin 3, a dry powder mortar bin 4 and a guide cylinder 5.
The second pigment bin 3 comprises a second gravity sensor 31, a second motor 32, a second stirring rod 33, a second bin 34 and a second material conveying channel 35, the second gravity sensor 31 is installed at the top of the batching box 1, the lower part of the second gravity sensor is connected with the second motor 32, and the obtained weight information is transmitted to the control system by the second gravity sensor 31 in real time. The second motor 32 is installed above the second bin 34, and the lower part of the second motor is connected with the second stirring rod 33 to drive the second stirring rod 33 to rotate, and the control system controls the switch and the rotating speed. The second material conveying channel 35 is arranged below the second material storage bin 34 and is communicated with the second material storage bin 34, a throttle valve is arranged between the second material storage bin 34 and the second material conveying channel 35, the throttle valve is connected with a control system, the control system controls the throttle valve to be opened and closed, and the lower portion of the second material conveying channel 35 is communicated with the material guide barrel 5.
The dry powder mortar bin 4 comprises a third gravity sensor 41, a third motor 42, a third stirring rod 43, a third bin 44 and a third conveying channel 45, the third gravity sensor 41 is installed at the top of the batching box 1, the lower part of the third gravity sensor is connected with the third motor 42, and the obtained weight information is transmitted to the control system by the third gravity sensor 41 in real time. The third motor 42 is installed above the third bin 44, and the lower part thereof is connected with the third stirring rod 43 to drive the third stirring rod 43 to rotate, and the control system controls the switch and the rotating speed. The third material conveying channel 45 is arranged below the third material storage bin 44 and is communicated with the third material storage bin 44, a throttle valve is arranged between the third material storage bin 44 and the third material conveying channel 45, the throttle valve is connected with a control system, the control system controls the throttle valve to be opened and closed, and the lower portion of the third material conveying channel 45 is communicated with the material guide barrel 5.
The material guiding cylinder 5 comprises a material guiding screw rod 51 and a material guiding silo 52, the axis of the material guiding screw rod 51 is overlapped with the axis of the material guiding silo 52, the material guiding silo 52 is arranged on the batching box 1 along a certain oblique angle, two ends of the material guiding screw rod 51 are rotatably arranged at two ends of the material guiding silo 52, the material guiding screw rod 51 is driven by a motor and is controlled by a control system to be switched and rotate, and the lowest end of the material guiding silo 52 is provided with a channel which is communicated with the dry mixing machine 6.
The mixing module comprises a dry mixer 6, a dry powder material guide pipe 7, a negative pressure machine 8, a water guide pipe 9, a flowmeter 10 and a wet mixer 11, wherein the dry mixer 6 and the wet mixer 11 are both arranged on the batching box 1, the dry mixer 6 is communicated with the material guide cylinder 5, and the dry mixer 6 uniformly mixes the pigment and the dry powder mortar introduced from the material guide cylinder 5 into dry mixture. The dry mixer 6 is connected with a dry powder material guide pipe 7, the negative pressure machine 8 is installed on the wet mixer 11, the dry powder material guide pipe 7 is connected with the negative pressure machine 8, and the dry powder material is conveyed into the wet mixer 11 from the dry mixer 6 through the dry powder material guide pipe 7 by the negative pressure machine 8. The flowmeter 10 is installed on the water guide pipe 9 and used for accurately controlling the water adding amount, the water guide pipe 9 is connected with the wet mixer 11 and used for injecting water into the wet mixer 11, and the dry mixture and the water are uniformly mixed by the wet mixer 11 to be made into the spray coating.
The spraying module comprises a pump machine 12, a paint guide pipe 13, a printing spray head 14, a paint spray head 15, a bearing 16, a driven gear 17, a transmission gear 18 and a motor 19, wherein the pump machine 12 is connected with the wet mixer 11, the paint guide pipe 13 is communicated with the pump machine 12 and the paint spray head 15, and the spraying material is transmitted to the paint spray head 15 from the pump machine 12. The coating material spray head 15 is arranged on a driven gear 17, the driven gear 17 is arranged on a bearing 16, the bearing 16 is arranged on the printing spray head 14, a transmission gear 18 is arranged on a motor 19, the driven gear 17 is meshed with the transmission gear 18, the relative position of the motor 19 and the printing spray head 14 is fixed, and the motor 19 is controlled by a control system to be switched and rotated. The lowest part of the coating nozzle 15 is flush with the lowest part of the printing nozzle 14, and the spraying position of the coating nozzle 15 on the printing strip is not more than 5mm away from the edge of the discharge hole of the printing nozzle 14. The transmission gear 18 is adjusted by the control system and rotates a certain angle along with the change of the printing path to drive the driven gear 17 to rotate, so that the spraying position of the coating nozzle 15 is ensured on the printing strip.
Example two
With reference to fig. 1 to 4, the present embodiment provides a method for using a 3D printing concrete color spraying system, which uses the 3D printing concrete color spraying system of the first embodiment. This example shows the mixing ratios of pigment a: pigment b: dry powder mortar: water 2: 2: 100: 25 (mass ratio) preparing 1L of spray coating to spray the printing strip, wherein the density of the color mortar spray coating is 2kg/L, and the using method comprises the following steps:
firstly, pigment a is filled in a first pigment bin 2, pigment b is filled in a second pigment bin 3, dry powder mortar is filled in a dry powder mortar bin 4, and weight information of the first pigment bin 2, the second pigment bin 3 and the dry powder mortar bin 4 is transmitted to a control system in real time by a first gravity sensor 21, a second gravity sensor 31 and a third gravity sensor 41 respectively.
The control system opens the throttle valve of the first pigment bin 2, the first stirring rod 23 starts to rotate, the pigment a in the first pigment bin 2 starts to fall to the material guide cylinder 51 along the first material conveying channel 25, when the mass of the first pigment bin 2 is reduced by 31g, the control system controls the throttle valve to be closed, and the first stirring rod 23 stops rotating.
Meanwhile, the control system opens the throttle valve of the second pigment bin 3, the second stirring rod 33 starts to rotate, the pigment b in the second pigment bin 3 starts to fall to the material guide cylinder 51 along the second material conveying channel 35, and when the mass of the second pigment bin 3 is reduced by 31g, the control system controls the throttle valve to be closed, and the second stirring rod 33 stops rotating.
Meanwhile, the control system opens the throttle valve of the dry powder mortar bin 4, the third stirring rod 43 starts to rotate, the dry powder mortar in the dry powder mortar bin 4 starts to fall to the guide cylinder 51 along the third material conveying channel 45, and when the mass of the dry powder mortar bin 4 is reduced by 1550g, the control system controls the throttle valve to be closed, and the third stirring rod 43 stops rotating.
At the same time, the guide screw 51 starts to rotate, and the pigment and the dry mortar in the guide cylinder 5 are conveyed to the dry mixer 6.
Step two, after the throttle valves in the step one are closed for 5s, the guide screw 51 stops rotating, the dry mixer 6 starts rotating and stops rotating after 30s, the pigment a, the pigment b and the dry powder mortar are uniformly mixed to form a dry mixture, a channel among the dry mixer 6, the dry powder guide pipe 7, the negative pressure machine 8 and the wet mixer 11 is opened, the dry mixture is conveyed to the wet mixer 11 through the dry powder guide pipe 7 by the negative pressure machine 8, the water guide pipe 9 is opened, the water flow meter 10 transmits the water quantity passing through the water guide pipe 9 to the control system in real time, when the water quantity reaches 388ml, the water guide pipe 9 is closed, the wet mixer 11 starts working, and after two minutes, the operation is stopped, and the dry powder and the water are uniformly mixed to form a spray coating.
And step three, after the wet mixer 11 stops working, a channel between the pump feeder 12 and the wet mixer 11 is opened, the wet mixer 11 starts to rotate, the spray paint completely enters the pump feeder 12, the wet mixer 11 is closed, the pump feeder 12 pumps the spray paint to the paint sprayer 15 along the paint guide pipe 13, meanwhile, the motor 19 drives the transmission gear 18 to rotate under the action of the control system according to a printing path, the driven gear 17 drives the paint sprayer 15 to rotate above the printing strip under the drive of the transmission gear 18, and the paint sprayer 15 uniformly sprays the spray paint above and on two sides of the printing strip while the printing strip is extruded from the printing sprayer 14.
EXAMPLE III
With continued reference to fig. 1 to 4, the present embodiment provides another method for using a 3D printing concrete color spraying system. The main implementation mode is the same as the embodiment, and the main differences are as follows: the manner in which the coating material nozzle 15 rotates with the print path. Driven gear 17 has 100 teeth, drive gear 18 has 25 teeth, other parameters are consistent, and the rotation direction of the printing path is as follows: clockwise, rotation angle: at 90 deg.. Namely, the control system controls the motor 19 to rotate anticlockwise for a circle, the transmission gear 18 rotates anticlockwise for 360 degrees along with the motor 19, the driven gear 17 rotates clockwise for 90 degrees under the driving of the transmission gear 18, and the coating nozzle 15 rotates clockwise for 90 degrees along with the driven gear 17.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (9)
1. The utility model provides a 3D prints colored paint finishing of concrete which characterized in that includes:
the device comprises a batching module, a feeding module and a feeding module, wherein the batching module comprises at least one pigment bin, a dry powder mortar bin and a feeding cylinder, gravity sensors are arranged at the tops of the pigment bin and the dry powder mortar bin, the bottoms of the pigment bin and the dry powder mortar bin are connected with the feeding cylinder, and feeding channels are arranged below the pigment bin and the dry powder mortar bin;
the mixing module comprises a dry mixer, a dry powder material guide pipe, a negative pressure machine and a wet mixer, the dry mixer is communicated with the material guide cylinder, the negative pressure machine is arranged on the wet mixer, one end of the dry powder material guide pipe is connected with the dry mixer, and the other end of the dry powder material guide pipe is connected with the negative pressure machine;
the spraying module comprises a material pumping machine, a paint sprayer, a driven gear, a transmission gear and a printing sprayer, wherein the material pumping machine is connected with the wet mixer, the paint sprayer is installed on the driven gear, the driven gear is installed on the printing sprayer, the driven gear is meshed with the transmission gear, and a motor drives the transmission gear so as to drive the paint sprayer to rotate;
the batching module, the mixing module and the spraying module are all adjusted through the control system.
2. The 3D printing concrete color spray system according to claim 1, wherein a stirring rod is arranged in the color cabin.
3. The 3D printing concrete color spraying system according to claim 1, wherein the material guiding cylinder comprises a material guiding screw rod and a material guiding silo, the axis of the material guiding screw rod is coincident with the axis of the material guiding silo, the material guiding silo is arranged at a certain inclination angle with the horizontal plane, the material guiding screw rod is installed in the material guiding silo through a supporting shaft, two ends of the supporting shaft are rotatably installed on two end plates of the material guiding silo, and a channel communicated with the dry mixer is formed in the bottom end of the material guiding silo.
4. The 3D printing concrete color spraying system according to claim 1, wherein the batching module comprises a batching box, a first pigment bin, a second pigment bin, a dry powder mortar bin and a guide cylinder, the first pigment bin, the second pigment bin and the dry powder mortar bin are all installed at the top of the batching box, the lower part of the first pigment bin, the second pigment bin and the dry powder mortar bin are all connected with the guide cylinder, and the guide cylinder is installed in the middle of the batching box at a certain angle.
5. The 3D printing concrete color spraying system according to claim 4, wherein electric throttle valves are installed at the discharge ports of the first pigment bin, the second pigment bin and the dry powder mortar bin for accurately controlling the discharge amount.
6. The 3D printing concrete color spraying system according to claim 1, wherein the mixing module further comprises a water guide pipe and a flow meter, the dry mixer and the wet mixer are both mounted on the batching box, the dry mixer is communicated with the guide cylinder, and the dry mixer uniformly mixes the pigment and the dry powder mortar introduced from the guide cylinder into dry mixture; the flowmeter is installed on the water guide pipe, the wet mixer injects water through the water guide pipe, and the dry mixture and the water are uniformly mixed to form the spray coating through the wet mixer.
7. The 3D printing concrete color spray system according to claim 1, wherein the lowest part of the paint sprayer is flush with the lowest part of the printing sprayer, and the spraying position of the paint sprayer on the printing strip is not more than 5mm from the edge of the discharge opening of the printing sprayer.
8. The use method of the 3D printing concrete color spraying system is characterized by comprising the following steps:
step S1, providing the 3D-printed concrete color spray system according to any one of claims 1 to 7 for standby;
s2, weighing and collecting the pigment and the dry-mixed mortar by the batching module, and conveying the pigment and the dry-mixed mortar to the mixing module;
step S3, the mixing module firstly uniformly mixes the pigment and the dry powder mortar to form dry mixture, and then uniformly mixes the water and the dry mixture to form spray coating;
and step S4, the spraying module sprays the spraying material on the printing strip according to the printing path.
9. The use method of claim 8, wherein the ratio of pigment a: pigment b: dry powder mortar: water 2: 2: 100: 25 preparing 1L of spray coating to spray the printing strip, wherein the density of the color mortar spray coating is 2kg/L, and the method comprises the following steps:
step S1, loading pigment a into a first pigment bin, loading pigment b into a second pigment bin, loading dry powder mortar into a dry powder mortar bin, and respectively transmitting the weight information of the first pigment bin, the second pigment bin and the dry powder mortar bin to a control system in real time by a first gravity sensor, a second gravity sensor and a third gravity sensor;
the control system opens a throttle valve of the first pigment bin, the first stirring rod starts to rotate, the pigment a in the first pigment bin starts to fall to the material guide cylinder along the first material conveying channel, and when the mass of the first pigment bin is reduced by 31g, the control system controls the throttle valve to be closed, and the first stirring rod stops rotating;
meanwhile, the control system opens a throttle valve of the second pigment bin, the second stirring rod starts to rotate, the pigment b in the second pigment bin starts to fall to the material guide cylinder along the second material conveying channel, and when the mass of the second pigment bin is reduced by 31g, the control system controls the throttle valve to be closed, and the second stirring rod stops rotating;
meanwhile, the control system opens a throttle valve of the dry powder mortar bin, the third stirring rod starts to rotate, the dry powder mortar in the dry powder mortar bin starts to fall to the guide cylinder along the third conveying channel, when the mass of the dry powder mortar bin is reduced by 1550g, the control system controls the throttle valve to be closed, and the third stirring rod stops rotating; (ii) a
Meanwhile, the material guide screw rod starts to rotate, and the pigment and the dry-mixed mortar in the material guide cylinder are conveyed to the dry mixer 6;
step S2, when the throttle valves in the step S1 are closed for 5S, the guide screw stops rotating, the dry mixer starts to rotate and stops after rotating for 30S, the pigment a, the pigment b and the dry powder mortar are uniformly mixed to form dry mixture, a channel among the dry mixer, the dry powder guide pipe, the negative pressure machine and the wet mixer is opened, the dry mixture is conveyed to the wet mixer through the dry powder guide pipe by the negative pressure machine, the water guide pipe is opened, the water flow meter transmits the water passing through the water guide pipe to the control system in real time, when the water flow reaches 388ml, the water guide pipe is closed, the wet mixer starts to work and stops after two minutes, and the dry mixture and the water are uniformly mixed to form spray coating;
and step S3, after the wet mixer stops working, a channel between the material pumping machine and the wet mixer is opened, the wet mixer starts to rotate, the spray paint completely enters the material pumping machine, the wet mixer is closed, the spray paint is pumped to the paint sprayer by the material pumping machine along the paint guide pipe, meanwhile, the motor drives the transmission gear to rotate under the action of the control system according to the printing path, the driven gear drives the paint sprayer to rotate above the printing strip under the drive of the transmission gear, and the paint sprayer uniformly sprays the spray paint above and on two sides of the printing strip while the printing strip is extruded from the printing sprayer.
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| CN202110676689.XA CN113442259A (en) | 2021-06-18 | 2021-06-18 | 3D printing concrete color spraying system and using method |
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Application publication date: 20210928 |