CN106915074B - A kind of 3D printing spray head preventing material leakage - Google Patents
A kind of 3D printing spray head preventing material leakage Download PDFInfo
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- CN106915074B CN106915074B CN201710137062.0A CN201710137062A CN106915074B CN 106915074 B CN106915074 B CN 106915074B CN 201710137062 A CN201710137062 A CN 201710137062A CN 106915074 B CN106915074 B CN 106915074B
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- heat
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- feed pipe
- feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The present invention relates to a kind of 3D printing spray heads for preventing material leakage, including nozzle, first connecting tube, heating mechanism, second connecting tube, cooling mechanism, third connecting tube, feeding mechanism and anti-overflow mechanism, heating mechanism includes heat block and the conveying unit and thermostat unit that are arranged on heat block, conveying unit includes tapping channel and four feeding-passages, cooling mechanism includes heat dissipation tank and heat-dissipating pipe, feeding mechanism includes material feeding box, feed pipe, driving assembly and compression assemblies, anti-overflow mechanism includes the second motor, lead screw and adjusting block, this prevents the 3D printing spray head of material leakage, four kinds of different raw materials can be imported simultaneously, cooling mechanism can effectively prevent the heat transfer of heat block to heat-dissipating pipe, the problem that has some setbacks is fed caused by prevent material solution to be back in heat-dissipating pipe.Feeding mechanism can import plurality of raw materials on demand.Anti-overflow mechanism can prevent wire drawing phenomenon when two independent monomers of printing because occurring between two independent monomers caused by nozzle material leakage.
Description
Technical field
The present invention relates to 3D printing field, in particular to a kind of 3D printing spray head for preventing material leakage.
Background technique
3D printing (3DP) i.e. one kind of rapid shaping technique, it is one kind based on digital model file, with powder
The adhesive materials such as shape metal or plastics construct the technology of object by layer-by-layer printing.
It is many shortcomings that existing 3D printer, which is deposited, including bottom alice problem, model different piece it is inclined
There is hollow problem, model overhanging portion sagging problem and wire drawing problem etc. in shifting problem, model surface.Wherein wire drawing problem is several
All exist in the 3D printer of all brands, always will appear wire drawing phenomenon when printing adjacent absolute construction, it is existing
3D printer introduces pumpback mechanism, however when raw material thread is drawn back in pumpback mechanism only has the donor center in nozzle that can retract,
And the general volume of nozzle is larger, therefore the raw material of surrounding can be leaked inevitably.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of 3D for preventing material leakage
Printing head.
It is of the present invention solve the problems, such as used by technical solution be: a kind of 3D printing spray head preventing material leakage, including nozzle,
One connecting tube, heating mechanism, the second connecting tube, cooling mechanism, third connecting tube, feeding mechanism and anti-overflow mechanism；
The top of the nozzle is connected to by the first connecting tube with the bottom of heating mechanism, and the top of the heating mechanism is logical
It crosses the second connecting tube to be connected to the bottom of cooling mechanism, the top of the cooling mechanism passes through third connecting tube and feeding mechanism
Bottom connection, one end of the anti-overflow mechanism are located in cooling mechanism, and the heated mechanism of the other end of the anti-overflow mechanism protrudes into
In nozzle；
The heating mechanism includes heat block and the conveying unit and thermostat unit that are arranged on heat block；
The conveying unit includes tapping channel and four feeding-passages, and the upper surface of the heat block sets that there are four chargings
Mouthful, the lower end surface of the heat block is equipped with discharge port, and the tapping channel is vertically arranged, and the tapping channel and discharge port connect
Logical, one end of the feeding-passage is connected to feed inlet, and the other end of the feeding-passage is connected to tapping channel, it is each described in into
Material channel is uniformly distributed in the periphery of tapping channel, and the discharge port is connected to by the first connecting tube with nozzle；
The cooling mechanism includes heat dissipation tank and heat-dissipating pipe, and the heat-dissipating pipe is vertically arranged, and the heat-dissipating pipe passes through heat dissipation
Case, the heat-dissipating pipe and the second connecting tube it is equal there are four, the heat-dissipating pipe is connected to by the second connecting tube with feed inlet；
The feeding mechanism includes material feeding box, feed pipe, driving assembly and compression assemblies, and the feed pipe is vertically arranged,
The feed pipe pass through material feeding box, the feed pipe and third connecting tube it is equal there are four, the bottom of the feed pipe passes through third
The connection of the top of connecting tube and heat-dissipating pipe, the feed pipe are connected to heat-dissipating pipe, and the driving component and compression assemblies are respectively positioned on
In material feeding box, there are four the compression assemblies, and each compression assemblies are uniformly distributed in the periphery of driving assembly, the driving component and
Compression assemblies are located at the two sides of feed pipe, and one end of the driving component is located in feed pipe, the driving component it is another
One end is located at outside feed pipe, and one end of the compression assemblies is located in feed pipe, and the other end of the compression assemblies is located at charging
Pipe is outer；
The driving component includes first motor, worm and worm wheel, and the inner bottom of material feeding box is arranged in the first motor
On face, the output shaft of the first motor is arranged vertically upwards, the output shaft coaxial arrangement of the worm screw and first motor, described
There are four worm gears, and each worm gear is uniformly distributed in the periphery of worm screw and engages with worm screw, and one end of the worm gear is protruded into feed pipe；
The compression assemblies include cylinder and extrusion, and the output shaft of the cylinder is horizontally disposed, the output of the cylinder
Axis is connect with extrusion, and one end of the extrusion is protruded into feed pipe, and the extrusion and worm gear face are arranged；
The anti-overflow mechanism includes the second motor, lead screw and adjusting block, and second motor is arranged in heat dissipation tank, described
The output shaft of second motor is arranged straight down, and the output shaft of one end of the lead screw and the second motor is coaxially disposed, the silk
The other end of thick stick protrudes into tapping channel, and one end of the adjusting block is located in heat block, and the other end of the adjusting block is through
One connecting tube protrudes into nozzle, and the adjusting block is matched with tapping channel, adjusting block be equipped with first through hole and several second
Through-hole, the first through hole is vertically arranged, and the first through hole is equipped with internal screw thread, and the first through hole is matched with lead screw, described
Lead screw is located in first through hole, and second through-hole is vertical through hole.
Preferably, in order to adjust the heating temperature of heat block on demand, the thermostat unit includes heater and temperature
Spend sensor.
Preferably, in order to improve the measurement range of temperature sensor, the temperature sensor is electric thermo-couple temperature sensing
Device.
Preferably, in order to improve the stability of charging, the extrusion includes U-board, shaft and pressure roller, the U-shaped
The both ends of plate are connected by shaft, and the pressure roller is set in shaft, and the pressure roller and worm gear face are arranged, the cylinder it is defeated
The connection of the convex surface of shaft and U-board.
Preferably, being uniformly provided with several radiating fins on the outer wall of the heat-dissipating pipe to improve heat-dissipating pipe heat-sinking capability
Piece.
Preferably, in order to further increase the radiating efficiency of radiating fin, the making material of the radiating fin is aluminium
Alloy.
Preferably, in order to improve the heat-sinking capability of heat dissipation tank, the heat dissipation tank side is equipped with air inlet, the heat dissipation tank
The other side be equipped with air outlet.
Preferably, the outside of the air inlet is equipped with fan in order to further radiate.Fan can be blown away in heat dissipation tank
Heat.
Preferably, in order to improve thermal conductivity, the making material of the nozzle is copper.
Preferably, the first motor and the second motor are servo motor in order to accurately control motor.
The invention has the advantages that this prevents the 3D printing sprinkler design of material leakage ingenious, feasibility is high, can lead simultaneously
Enter four kinds of different raw materials, the heat transfer of heat block can be effectively prevented to heat-dissipating pipe, to prevent raw material molten in cooling mechanism
Liquid is back in heat-dissipating pipe, influences to feed.Feeding mechanism can import one or more raw materials on demand.Anti-overflow mechanism can prevent
Because of the wire drawing phenomenon occurred between two independent monomers caused by nozzle material leakage when printing two independent monomers.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of 3D printing spray head for preventing material leakage of the invention.
Fig. 2 is a kind of top view of the feeding mechanism of 3D printing spray head for preventing material leakage of the invention.
Fig. 3 is a kind of top view of the adjusting block of 3D printing spray head for preventing material leakage of the invention.
Fig. 4 is a kind of structural schematic diagram of the extrusion of 3D printing spray head for preventing material leakage of the invention.
In figure: 1. nozzles, 2. first connecting tubes, 3. second connecting tubes, 4. third connecting tubes, 5. heat blocks, 6. dischargings are logical
Road, 7. feeding-passages, 8. heat dissipation tanks, 9. heat-dissipating pipes, 10. material feeding box, 11. feed pipes, 12. first motors, 13. worm screws, 14. snails
Wheel, 15. cylinders, 16. second motors, 17. lead screws, 18. adjusting blocks, 19. first through hole, 20. second through-holes, 21. heaters,
22. temperature sensor, 23.U shape plate, 24. shafts, 25. pressure rollers, 26. fans.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs 1-4, a kind of 3D printing spray head preventing material leakage, including nozzle 1, the first connecting tube 2, heating mechanism,
Second connecting tube 3, cooling mechanism, third connecting tube 4, feeding mechanism and anti-overflow mechanism；
The top of the nozzle 1 is connected to by the first connecting tube 2 with the bottom of heating mechanism, the top of the heating mechanism
It is connected to by the second connecting tube 3 with the bottom of cooling mechanism, the top of the cooling mechanism passes through third connecting tube 4 and charger
The bottom of structure is connected to, and one end of the anti-overflow mechanism is located in cooling mechanism, the heated mechanism of the other end of the anti-overflow mechanism
It protrudes into nozzle 1；
The heating mechanism includes heat block 5 and the conveying unit and thermostat unit that are arranged on heat block 5；
The conveying unit includes tapping channel 6 and four feeding-passages 7, there are four the upper surface of the heat block 5 is set
Feed inlet, the lower end surface of the heat block 5 are equipped with discharge port, and the tapping channel 6 is vertically arranged, the tapping channel 6 with go out
Material mouth connection, one end of the feeding-passage 7 are connected to feed inlet, and the other end and tapping channel 6 of the feeding-passage 7 connect
Logical, each feeding-passage 7 is uniformly distributed in the periphery of tapping channel 6, and the discharge port passes through the first connecting tube 2 and nozzle 1
Connection；
The cooling mechanism includes heat dissipation tank 8 and heat-dissipating pipe 9, and the heat-dissipating pipe 9 is vertically arranged, and the heat-dissipating pipe 9 passes through
Heat dissipation tank 8, the heat-dissipating pipe 9 and the second connecting tube 3 there are four, the heat-dissipating pipe 9 is connected by the second connecting tube 3 with feed inlet
It is logical；
The feeding mechanism includes material feeding box 10, feed pipe 11, driving assembly and compression assemblies, and the feed pipe 11 is vertical
Setting, the feed pipe 11 pass through material feeding box 10, the feed pipe 11 and third connecting tube 4 there are four, the feed pipe 11
Bottom connect with the top of heat-dissipating pipe 9 by third connecting tube 4, the feed pipe 11 is connected to heat-dissipating pipe 9, the driving group
Part and compression assemblies are respectively positioned in material feeding box 10, and there are four the compression assemblies, and each compression assemblies are equal in the periphery of driving assembly
Even distribution, the driving component and compression assemblies are located at the two sides of feed pipe 11, one end of the driving component be located at into
In expects pipe 11, the other end of the driving component is located at outside feed pipe 11, and one end of the compression assemblies is located in feed pipe 11,
The other end of the compression assemblies is located at outside feed pipe 11；
The driving component includes first motor 12, worm screw 13 and worm gear 14, and the first motor 12 is arranged in material feeding box
In 10 inner bottom surface, the output shaft of the first motor 12 is arranged vertically upwards, and the worm screw 13 is defeated with first motor 12
Shaft coaxial arrangement, there are four the worm gears 14, and each worm gear 14 is uniformly distributed and engages with worm screw 13, institute in the periphery of worm screw 13
The one end for stating worm gear 14 is protruded into feed pipe 11；
The compression assemblies include cylinder 15 and extrusion, and the output shaft of the cylinder 15 is horizontally disposed, the cylinder 15
Output shaft connect with extrusion, one end of the extrusion is protruded into feed pipe 11, and the extrusion is set with 14 face of worm gear
It sets；
The anti-overflow mechanism includes the second motor 16, lead screw 17 and adjusting block 18, and the setting of the second motor 16 is being radiated
In case 8, the output shaft of second motor 16 is arranged straight down, the output shaft of one end of the lead screw 17 and the second motor 16
Coaxial arrangement, the other end of the lead screw 17 protrude into tapping channel 6, and one end of the adjusting block 18 is located in heat block 5, institute
The other end for stating adjusting block 18 protrudes into nozzle 1 through the first connecting tube 2, and the adjusting block 18 is matched with tapping channel 6, adjusting block
18 are equipped with first through hole 19 and several second through-holes 20, and the first through hole 19 is vertically arranged, and the first through hole 19 is set
There is internal screw thread, the first through hole 19 is matched with lead screw 17, and the lead screw 17 is located in first through hole 19, second through-hole 20
For vertical through hole.
Preferably, in order to adjust the heating temperature of heat block 5 on demand, the thermostat unit includes 21 He of heater
Temperature sensor 22.
Preferably, in order to improve the measurement range of temperature sensor 22, the temperature sensor 22 is electric thermo-couple temperature
Sensor.
Preferably, in order to improve the stability of charging, the extrusion includes U-board 23, shaft 24 and pressure roller 25, institute
The both ends for stating U-board 23 are connected by shaft 24, and the pressure roller 25 is set in shaft 24, the pressure roller 25 and 14 face of worm gear
Setting, the output shaft of the cylinder 15 are connect with the convex surface of U-board 23.
Preferably, being uniformly provided with several heat dissipations on the outer wall of the heat-dissipating pipe 9 to improve 9 heat-sinking capability of heat-dissipating pipe
Fin.
Preferably, in order to further increase the radiating efficiency of radiating fin, the making material of the radiating fin is aluminium
Alloy.
Preferably, in order to improve the heat-sinking capability of heat dissipation tank 8,8 side of heat dissipation tank is equipped with air inlet, the heat dissipation
The other side of case 8 is equipped with air outlet.
Preferably, the outside of the air inlet is equipped with fan 26 in order to further radiate.Fan 26 can blow away heat dissipation
Heat in case 8.
Preferably, in order to improve thermal conductivity, the making material of the nozzle 1 is copper.
Preferably, the first motor 12 and the second motor 16 are servo motor in order to accurately control motor.
This is prevented in the 3D printing spray head of material leakage, raw material thread from feed pipe 11 enter, sequentially through third connecting tube 4,
Heat-dissipating pipe 9, the second connecting tube 3, feeding-passage 7, the raw material after final fusing enter tapping channel 6, and from the of adjusting block 18
In two through-holes, 20 flow nozzle 1.The working principle of feeding mechanism are as follows: first motor 12 drives worm screw 13 to rotate, and drives worm gear 14
Rotation, cylinder 15 push extrusion, make pressure roller 25 and worm gear 14 respectively with the two sides of raw material thread against by the rotation of worm gear 14
To import raw material thread.Cooling mechanism can be distributed the heat passed over from heat block 5 with most fast speed, prevent heat-dissipating pipe 9
In flow backward raw material after fusing, have some setbacks so as to cause charging.The working principle of heating mechanism are as follows: raw material thread enters feeding-passage
It is melted after 7, the solution after fusing flows into tapping channel 6, and the through-hole 20 on the adjusting block 18 by being located in tapping channel
Enter nozzle 1 afterwards.The working principle of anti-overflow mechanism are as follows: when printing two independent monomers, first print one of monomer, when into
When material, adjusting block 18 is located at the lower section of 6 connectivity part of feeding-passage 7 and tapping channel, allow raw material from feeding-passage 7 swimmingly
It flows into tapping channel 6, and is flowed out from the through-hole 20 on adjusting block 18, when printing another monomer, occurred in order to prevent
Wire drawing phenomenon, the second motor 16 drive lead screw 17 to rotate, and adjusting block 18 rises, and the outer wall of adjusting block 18 by feeding-passage 7 and goes out
The connectivity part masking for expecting channel 6, continue to flow into raw material can not in tapping channel 6, at the same time, when adjusting block 18 rises
It waits, is located at the part in nozzle 1, the remaining raw material in nozzle 1 can be drawn high upwards, be asked to efficiently solve wire drawing
Topic.
Compared with prior art, this prevents the 3D printing sprinkler design of material leakage ingenious, and feasibility is high, can import four simultaneously
The heat transfer of heat block 5 can be effectively prevented to heat-dissipating pipe 9, to prevent material solution in the different raw material of kind, cooling mechanism
It is back in heat-dissipating pipe 9, influences to feed.Feeding mechanism can import one or more raw materials on demand.Anti-overflow mechanism can prevent
Because of the wire drawing phenomenon occurred between two independent monomers caused by nozzle material leakage when printing two independent monomers.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of 3D printing spray head for preventing material leakage, which is characterized in that including nozzle (1), the first connecting tube (2), heating mechanism,
Second connecting tube (3), cooling mechanism, third connecting tube (4), feeding mechanism and anti-overflow mechanism；
The top of the nozzle (1) is connected to by the first connecting tube (2) with the bottom of heating mechanism, the top of the heating mechanism
Be connected to by the second connecting tube (3) with the bottom of cooling mechanism, the top of the cooling mechanism by third connecting tube (4) with into
Expect the bottom connection of mechanism, one end of the anti-overflow mechanism is located in cooling mechanism, and the other end of the anti-overflow mechanism is heated
Mechanism protrudes into nozzle (1)；
The heating mechanism includes the conveying unit and thermostat unit of heat block (5) and setting on heat block (5)；
The conveying unit includes tapping channel (6) and four feeding-passages (7), and the upper surface of the heat block (5) is equipped with four
The lower end surface of a feed inlet, the heat block (5) is equipped with discharge port, and the tapping channel (6) is vertically arranged, the tapping channel
(6) be connected to discharge port, one end of the feeding-passage (7) is connected to feed inlet, the other end of the feeding-passage (7) with go out
Expect channel (6) connection, each feeding-passage (7) is uniformly distributed in the periphery of tapping channel (6), and the discharge port passes through first
Connecting tube (2) is connected to nozzle (1)；
The cooling mechanism includes heat dissipation tank (8) and heat-dissipating pipe (9), and the heat-dissipating pipe (9) is vertically arranged, the heat-dissipating pipe (9)
Across heat dissipation tank (8), the heat-dissipating pipe (9) and the second connecting tube (3) there are four, the heat-dissipating pipe (9) passes through the second connection
Pipe (3) is connected to feed inlet；
The feeding mechanism includes material feeding box (10), feed pipe (11), driving assembly and compression assemblies, and the feed pipe (11) is perpendicular
To setting, the feed pipe (11) passes through material feeding box (10), there are four the feed pipe (11) and third connecting tube (4) are equal, institute
The bottom for stating feed pipe (11) is connect by third connecting tube (4) with the top of heat-dissipating pipe (9), the feed pipe (11) and heat dissipation
(9) connection is managed, the driving component and compression assemblies are respectively positioned in material feeding box (10), and there are four the compression assemblies, each to squeeze
Component is uniformly distributed in the periphery of driving assembly, and the driving component and compression assemblies are located at the two sides of feed pipe (11),
One end of the driving component is located in feed pipe (11), and the other end of the driving component is located at feed pipe (11) outside, described
One end of compression assemblies is located in feed pipe (11), and the other end of the compression assemblies is located at feed pipe (11) outside；
The driving component includes first motor (12), worm screw (13) and worm gear (14), first motor (12) setting into
In the inner bottom surface of hopper (10), the output shaft of the first motor (12) is arranged vertically upwards, the worm screw (13) and first
The output shaft of motor (12) is coaxially disposed, and there are four the worm gears (14), and each worm gear (14) is uniformly divided in the periphery of worm screw (13)
It cloth and is engaged with worm screw (13), one end of the worm gear (14) is protruded into feed pipe (11)；
The compression assemblies include cylinder (15) and extrusion, and the output shaft of the cylinder (15) is horizontally disposed, the cylinder
(15) output shaft is connect with extrusion, and one end of the extrusion is protruded into feed pipe (11), the extrusion and worm gear
(14) face is arranged；
The anti-overflow mechanism includes the second motor (16), lead screw (17) and adjusting block (18), and the second motor (16) setting exists
In heat dissipation tank (8), the output shaft of second motor (16) is arranged straight down, one end of the lead screw (17) and the second motor
(16) output shaft coaxial arrangement, the other end of the lead screw (17) protrude into tapping channel (6), and the one of the adjusting block (18)
End is located in heat block (5), and the other end of the adjusting block (18) protrudes into nozzle (1) through the first connecting tube (2), the adjusting
Block (18) is matched with tapping channel (6), and adjusting block (18) is equipped with first through hole (19) and several second through-holes (20), described
First through hole (19) is vertically arranged, and the first through hole (19) is equipped with internal screw thread, the first through hole (19) and lead screw (17)
Match, the lead screw (17) is located in first through hole (19), and second through-hole (20) is vertical through hole.
2. preventing the 3D printing spray head of material leakage as described in claim 1, which is characterized in that the thermostat unit includes adding
Hot device (21) and temperature sensor (22).
3. preventing the 3D printing spray head of material leakage as claimed in claim 2, which is characterized in that the temperature sensor (22) is heat
Galvanic couple temperature sensor.
4. preventing the 3D printing spray head of material leakage as described in claim 1, which is characterized in that the extrusion includes U-board
(23), the both ends of shaft (24) and pressure roller (25), the U-board (23) are connected by shaft (24), and the pressure roller (25) is arranged
On shaft (24), the pressure roller (25) and worm gear (14) face are arranged, output shaft and U-board (23) of the cylinder (15)
Convex surface connection.
5. preventing the 3D printing spray head of material leakage as described in claim 1, which is characterized in that on the outer wall of the heat-dissipating pipe (9)
It is uniformly provided with several radiating fins.
6. preventing the 3D printing spray head of material leakage as claimed in claim 5, which is characterized in that the production material of the radiating fin
Material is aluminium alloy.
7. preventing the 3D printing spray head of material leakage as claimed in claim 6, which is characterized in that heat dissipation tank (8) side is equipped with
The other side of air inlet, the heat dissipation tank (8) is equipped with air outlet.
8. preventing the 3D printing spray head of material leakage as claimed in claim 7, which is characterized in that the outside of the air inlet is equipped with wind
It fans (26).
9. preventing the 3D printing spray head of material leakage as described in claim 1, which is characterized in that the making material of the nozzle (1)
For copper.
10. preventing the 3D printing spray head of material leakage as described in claim 1, which is characterized in that the first motor (12) and the
Two motors (16) are servo motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710137062.0A CN106915074B (en) | 2017-03-09 | 2017-03-09 | A kind of 3D printing spray head preventing material leakage |
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| CN201710137062.0A CN106915074B (en) | 2017-03-09 | 2017-03-09 | A kind of 3D printing spray head preventing material leakage |
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| CN106915074B true CN106915074B (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022245909A1 (en) * | 2021-05-19 | 2022-11-24 | Strata Advanced Manufacturing | Extrusion system for fused filament fabrication |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014043B (en) * | 2018-07-23 | 2023-12-29 | 共享智能装备有限公司 | Single-direction and two-direction sand paving device |
| CN109676925B (en) * | 2019-01-16 | 2021-08-24 | 广西富乐科技有限责任公司 | Material feeding device for 3D printer during working |
| CN110524868B (en) * | 2019-07-29 | 2023-09-08 | 华南理工大学 | Liquid material printing head for 3D printer |
| CN111660562A (en) * | 2020-05-13 | 2020-09-15 | 罗凡 | Three-dimensional shower nozzle device for printing |
| CN113059804A (en) * | 2021-02-19 | 2021-07-02 | 浙江工贸职业技术学院 | Multipurpose 3D printing apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104552955A (en) * | 2015-01-23 | 2015-04-29 | 青岛尤尼科技有限公司 | Double-color 3D printer and color changing method thereof |
| CN104924612B (en) * | 2015-05-22 | 2017-03-01 | 浙江大学 | A kind of needle jet |
| CN105415688B (en) * | 2015-12-22 | 2017-10-20 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer and 3 D-printing method |
| CN105965888B (en) * | 2016-05-06 | 2018-01-02 | 广州市文搏智能科技有限公司 | 3D printer shower nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022245909A1 (en) * | 2021-05-19 | 2022-11-24 | Strata Advanced Manufacturing | Extrusion system for fused filament fabrication |
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Effective date of registration: 20191204 Address after: Room 1602, B1 Floor, Lijinxiu Jiangnan (West District), east of Gouyun Road, north of Yinhe No. 2 Road, Suzhou City, Anhui Province Patentee after: Suzhou Huiteng Intellectual Property Consulting Co., Ltd. Address before: Two, Nanan 362300 success zone, Fujian, Quanzhou Patentee before: Fujian fast selling Agel Ecommerce Ltd |