CN204431740U - The novel discharging mechanism of 3D printer - Google Patents
The novel discharging mechanism of 3D printer Download PDFInfo
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- CN204431740U CN204431740U CN201520007822.2U CN201520007822U CN204431740U CN 204431740 U CN204431740 U CN 204431740U CN 201520007822 U CN201520007822 U CN 201520007822U CN 204431740 U CN204431740 U CN 204431740U
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- adjustable shelf
- rocking arm
- pressure wheel
- feeding
- printer
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Abstract
The novel discharging mechanism of 3D printer, comprises, fixed mount; Main pressure wheel; For the driver part driving main pressure wheel to rotate; Adjustable shelf, this adjustable shelf is provided with two feeding-passages; The both sides of adjustable shelf are articulated with a rocking arm respectively, the free end of two rocking arms be articulated with respectively one to be positioned at outside two feeding-passages and with two feeding-passages secondary pressure wheel one to one; A flexible member is provided with between rocking arm and adjustable shelf; Shifting part corresponding with two rocking arms respectively, this shifting part is used for stirring the rocking arm corresponding with it when adjustable shelf moves towards this shifting part to make the outer side oscillation of secondary pressure wheel towards adjustable shelf of this rocking arm free end; The driven unit swung for driving adjustable shelf; Two are fixed on the discharging gate on adjustable shelf, and these two discharging gates are communicated in the bottom of feeding-passage respectively.The utility model can meet the processing request of a different printing consumables simultaneously shaping workpiece, improves precision and the intensity of different consumptive material junction on workpiece.
Description
Technical field
The utility model relates to 3D printing technique field, is specifically related to a kind of novel discharging mechanism of 3D printer.
Background technology
Present stage, along with reaching its maturity of 3D printing technique, increasing Workpiece shaping processing has gradually adopted 3D printing technique to realize, the workpiece that especially some external stylings are comparatively complicated, adopts 3D printing technique can reduce the cost of processing, improve the precision of working (machining) efficiency and workpiece.
Current 3D printer adopts line style printing consumables to realize the shaping of workpiece mostly, such as wire, plastic wire etc., heat line style printing consumables during its shaping principle, after consumptive material exports from the discharging spray nozzle of 3D printer, the line style consumptive material of heating is combined, thus forms the workpiece of entity.The discharging spray nozzle of current 3D printer can meet the processing of single consumptive material usually, that is to say, when workpiece is only a kind of forming materials, current 3D printer can meet its processing request, but, two kinds are adopted with different colours for ask for something, the workpiece that the consumptive material of unlike material is shaping, existing 3D printer is difficult to meet its forming requirements, this just adopts two 3D printers to realize simultaneously, thus, add the cost of work pieces process, simultaneously, the discharging spray nozzle of two 3D printers does not stop in handoff procedure, be difficult to guarantee the accuracy of workpiece at two kinds of consumptive material joints, simultaneously, because switching time is longer, the temperature of consumptive material is caused to change, its intensity combined can not meet the demands.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to the novel discharging mechanism providing a kind of 3D printer, and it can meet the processing request of a different consumptive material simultaneously shaping workpiece, improves precision and the intensity of different consumptive material junction on workpiece.
For achieving the above object, the utility model adopts following technical scheme:
The novel discharging mechanism of 3D printer, comprises,
Fixed mount;
Be articulated in the main pressure wheel on fixed mount;
For the driver part driving main pressure wheel to rotate;
Be articulated in the adjustable shelf on fixed mount, and the pivot center of this adjustable shelf relative to fixed mount and the central axes of main pressure wheel; This adjustable shelf is provided with the feeding-passage that two lay respectively at main pressure wheel both sides, the upper end of feeding-passage extends to the surface formation charging aperture of adjustable shelf; The both sides of adjustable shelf are articulated with a rocking arm respectively, the free end of two rocking arms be articulated with respectively one to be positioned at outside two feeding-passages and with two feeding-passages secondary pressure wheel one to one; Being provided with one between rocking arm and adjustable shelf makes the secondary pressure wheel of rocking arm free end towards the flexible member near adjustable shelf medial motion;
Shifting part corresponding with two rocking arms respectively, this shifting part is used for stirring the rocking arm corresponding with it when adjustable shelf moves towards this shifting part to make the outer side oscillation of secondary pressure wheel towards adjustable shelf of this rocking arm free end;
The driven unit swung for driving adjustable shelf;
Two are fixed on the discharging gate on adjustable shelf, and these two discharging gates are communicated in the bottom of feeding-passage respectively.
Driven unit comprises first motor of body partial fixing on fixed mount, is synchronously connected in driving gear on the first motor rotation axis, and adjustable shelf top is fixed with the driven gear engaged with driving gear.
Adjustable shelf is provided with the through hole for holding main pressure wheel, the both sides of this through hole extend to two feeding-passages respectively.
The middle part of rocking arm is articulated on adjustable shelf, and the free end of rocking arm is the upper end of rocking arm, and one end relative with free end on rocking arm forms one by pressure side, and flexible member is the spring be subject between pressure side and adjustable shelf being arranged on rocking arm; Position limiting structure be fixed on fixed mount and be positioned at rocking arm by the gag lever post outside pressure side.
Adjustable shelf comprises the fixing side arm of tandem docking and frame, and side arm and after-frame are provided with two grooves, and two feeding-passages are made up of the groove that side arm and after-frame are oppositely arranged respectively.
Between the side arm of the top clamping of discharging gate and after-frame.
Driver part is second motor of body partial fixing on fixed mount, and main pressure wheel is fixed on the turning cylinder of the second motor.
The beneficial effects of the utility model are:
Compared to prior art, the utility model can meet the processing request of a different printing consumables simultaneously shaping workpiece, improves precision and the intensity of different consumptive material junction on workpiece.In addition, when carrying printing consumables, elasticity extruding conveying capacity can be formed to printing consumables, avoiding printing consumables to occur stuck phenomenon in course of conveying, and the extruding conveying of the printing consumables of different thicknesses can be adapted to.Simultaneously, passable two discharging gates of the utility model are at same rotation with in surface, and accurately can be located by driven unit separately, when printing, two discharging gates can not interfere with each other, and in handoff procedure, discharging gate can not touch the same layer segment that workpiece has printed, and, when switching, can ensure that discharging gate is perpendicular to printing plane, and the impact point distance that two discharging gate distances print in plane is equal, avoids two printing consumables joints to occur being connected inadequate continuous print situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model discharging mechanism;
Fig. 2 is the scheme of installation of the utility model discharging mechanism;
Fig. 3 is using state schematic diagram of the present utility model;
Wherein: 10, fixed mount; 11, the first fixed mount; 12, the second fixed mount; 13, limited post; 14, limited post; 20, adjustable shelf; 21, after-frame; 211, feeding-passage; 212, feeding-passage; 213, driven gear; 214, through hole; 22, side arm; 23, rocking arm; 231, spring; 24, rocking arm; 241, spring; 31, discharging gate; 311, shower nozzle; 312, cylindrical portion; 32, discharging gate; 40, the first motor; 41, driving gear; 50, the second motor; 51, main pressure wheel; 52, secondary pressure wheel; 53, secondary pressure wheel.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the utility model is described further:
As Fig. 1, 2, shown in 3, for the novel discharging mechanism of 3D printer of the present utility model, it comprises fixed mount 10, adjustable shelf 20, discharging gate 31 and discharging gate 32, wherein, fixed mount 10 is as the installation foundation of whole discharging mechanism, for being connected with the transmission mechanism of 3D printer, when printing, transmission mechanism is utilized to drive the postpone outline line of workpiece of fixed mount 10 to move to print workpiece, fixed mount 10 is articulated with a main pressure wheel 51, this main pressure wheel 51 main is driven by a driver part, this driver part can be the second motor 50 that body part is arranged on fixed mount 10, main pressure wheel 51 can be connected directly between on the turning cylinder of the second motor 50, certainly, also can be connected by the turning cylinder of the synchronous drive mechanism such as belt pulley or sprocket wheel with the second motor 50, simultaneously, it should be noted that, second motor 50 is as the driver part driving main pressure wheel 51 to rotate, it can also be adopt other mechanisms that main pressure wheel 51 can be made to rotate to replace.Above-mentioned adjustable shelf 20 is articulated on fixed mount 10, and adjustable shelf 20 is the pivot center of fixed mount 10 and the central axes of above-mentioned main pressure wheel 51 relatively, and adjustable shelf 20 is driven can be swung relative to fixed mount 10 by a driven unit.This adjustable shelf 20 is provided with feeding-passage 211 and feeding-passage 212, feeding-passage 211 and feeding-passage 212 are placed in the both sides of main pressure wheel 51 respectively, the surface that the upper end of feeding-passage 211 and feeding-passage 212 extends to adjustable shelf 20 forms a charging aperture respectively, the bottom of feeding-passage 211 and feeding-passage 212 then extends to the bottom of adjustable shelf 20 respectively, discharging gate 31 and discharging gate 32 are all fixed on the bottom of adjustable shelf 20, and discharging gate 31 is communicated with the bottom of feeding-passage 211, discharging gate 32 is communicated with the bottom of feeding-passage 212.The both sides of adjustable shelf 20 are articulated with a rocking arm 23 and rocking arm 24 respectively, the upper end of rocking arm 23 and rocking arm 24 is its free end, a secondary pressure wheel 52 is connected at the free ending pivot of rocking arm 23, the free ending pivot of rocking arm 24 is connected to a secondary pressure wheel 53, a spring 231 is provided with between rocking arm 23 and adjustable shelf 20, the elastic stress that this spring 231 provides has trend towards adjustable shelf 20 medial motion for making the secondary pressure wheel 52 of rocking arm 23 free end, particularly, the middle part of rocking arm 23 is articulated in the side of adjustable shelf 20, the upper end of rocking arm 23 forms its free end, bottom be one by spring 231 outwards pressure on top surface by pressure side, thus, above-mentioned rocking arm 23 forms a lever construction in the side of adjustable shelf 20, spring 231 is utilized to push up the bottom of pressure rocking arm 23, the secondary pressure wheel 52 being installed on rocking arm 23 upper end is then made to have the trend of motion in the middle part of adjustable shelf 20, that is to say, the elastic stress that this spring 231 provides makes secondary pressure wheel 52 draw close towards main pressure wheel 51.Same, a spring 241 is provided with between rocking arm 24 and adjustable shelf 20, identical with the installation relation of spring 231 with above-mentioned rocking arm 23, what spring 241 was same be mounted in rocking arm 24 bottom by between pressure side and adjustable shelf 20, the elastic stress that spring 241 provides makes secondary pressure wheel 53 draw close towards main pressure wheel 51.
Shown in Figure 3, above-mentioned fixed mount 10 arranges limited post 13 and limited post 14, and wherein limited post 13 is positioned at the outside of rocking arm 23, and limited post 14 is positioned at the outside of rocking arm 24, when adjustable shelf 20 swings to the left, rocking arm 24 bottom is subject to the top pressure of limited post 14, make rocking arm 24 free end towards the outer side oscillation of adjustable shelf 20, now, secondary pressure wheel 53 on rocking arm 24 is separated with main pressure wheel 51, and, in this condition, because rocking arm 23 is separated with limited post 13, the elastic stress that spring 231 applies can make secondary pressure wheel 52 coordinate with main pressure wheel 51, thus extruding is formed to the printing consumables A being arranged in feeding-passage 211, so, when the second motor 50 drives main pressure wheel 51 to rotate clockwise, printing consumables A in main pressure wheel 51 and secondary pressure wheel 52 pairs of feeding-passages 211 applies extruding carrying capacity, printing consumables A is made to be delivered to discharging gate 31 from top to bottom in feeding-passage 211, when printing workpiece and needing to switch the printing consumables B used in feeding-passage 212, driven unit drives adjustable shelf 20 to swing to the right, the bottom of rocking arm 24 is separated with limited post 14, when adjustable shelf 20 drive rocking arm 23 turn to rocking arm 23 bottom contact with limited post 13 time, limited post 13 stirs rocking arm 23, make the outer side oscillation of free end towards adjustable shelf 20 on rocking arm 23 top, thus the secondary pressure wheel 52 of rocking arm 23 free end is separated with main pressure wheel 51, main pressure wheel 51 and secondary pressure wheel 52 discharge the extruding conveying capacity applied printing consumables A, simultaneously, due to limited post 14 and rocking arm 24 end portion from, spring 241 resets, the elastic stress of spring 241 is utilized to make the secondary pressure wheel 53 of rocking arm 24 free end towards side oscillation in adjustable shelf 20, thus utilize secondary pressure wheel 53 and main pressure wheel 51 to clamp printing consumables B in feeding-passage 212, and, second motor 50 drives main pressure wheel 51 to rotate counterclockwise, now, main pressure wheel 51 and secondary pressure wheel 53 clamp printing consumables B, printing consumables B is made to be delivered to discharging gate 32 from top to bottom in feeding-passage 212, so, the quick switching of printing consumables A and printing consumables B can be realized, meet the requirement that two kinds of printing consumables print same workpiece simultaneously.
In the utility model, second motor 50 is a servomotor, the requirement printed according to workpiece by the controller of 3D printer controls the second motor 50, be specially the rotating of control second motor 50 and stopping and operation, above-mentioned driven unit also can be that the printing of foundation workpiece requires to utilize controller to control, for realizing the swaying direction controlling adjustable shelf 20 accurately, to switch printing consumables A and printing consumables B fast, due in handoff procedure, a shift differences can be there is in the bottom of discharging gate 31 and discharging gate 32, this shift differences can drive fixed mount 10 to move by the transmission mechanism of 3D printer and compensate, when guaranteeing to print, printing consumables A and printing consumables B docks accurately on workpiece.For the ease of controlling, above-mentioned driven unit comprises first motor 40 of body partial fixing on fixed mount 10, the driving gear 41 be synchronously connected on the turning cylinder of the first motor 40, a driven gear 213 is provided with at the top of adjustable shelf 20, this driven gear 213 engages with driving gear 41, thus, start the first motor 40, adjustable shelf 20 can be driven to swing, the first motor 40 can be the servomotor controlled by the controller of 3D printer equally.Owing to not requiring the angle that adjustable shelf 20 rotates excessive, therefore, above-mentioned driven gear 213 can be half gear.
In above-mentioned scheme, due to when carrying printing consumables, it is the elastic stress utilizing spring 231 and spring 241, realize the elastic compression to printing consumables, when carrying printing consumables, secondary pressure wheel 52 and secondary pressure wheel 53 have certain activity, in order to adapt to the different thicknesses of printing consumables and to avoid printing consumables to occur stuck phenomenon in course of conveying.
In such scheme of the present utility model, rocking arm 23 and rocking arm 24 form lever construction on adjustable shelf 20, secondary pressure wheel 52 and secondary pressure wheel 53 are arranged on one end of lever, spring 231 and spring 241 is utilized to push up the other end of pressure lever, secondary pressure wheel 52 and secondary pressure wheel 53 is made to have trend towards adjustable shelf 20 medial motion respectively, and utilize be positioned at rocking arm 23 and rocking arm 24 lever construction the other end outside limited post 13 and limited post 14 as shifting part to stir rocking arm 23 and rocking arm 24, rocking arm 23 and rocking arm 24 is stirred when adjustable shelf 20 swings to switch printing consumables, make secondary pressure wheel 52 outwards gradually away from feeding-passage 211, make secondary pressure wheel 53 outwards gradually away from feeding-passage 212, but it should be noted that, in the utility model, above-mentioned rocking arm 23 and rocking arm 24 can without the need to being set to lever construction, as long as its one end is hinged on adjustable shelf 20, the other end is for installing secondary pressure wheel 52 and secondary pressure wheel 53, at rocking arm 23, one extension spring is set between rocking arm 24 and adjustable shelf 20 as flexible member, and the position of respective rocker arm 24 and rocking arm 23 arranges a toggle mechanism respectively on fixed mount 10, in order at adjustable shelf 20 towards rocking arm 23, when rocking arm 24 swings, stir rocking arm 23, rocking arm 24, make rocking arm 23, the secondary pressure wheel 52 of rocking arm 24 free end, secondary pressure wheel 53 is towards the outer side oscillation of adjustable shelf 20, such as, two toggle mechanisms can be two cylinders being arranged on fixed mount 10 both sides respectively, when adjustable shelf 20 towards left side cylinder swing time, cylinder on the left of this starts, to stir the outer side oscillation of free end towards adjustable shelf 20 of rocking arm 24, when adjustable shelf 20 towards right side cylinder swing time, cylinder on the right side of this starts, stir the outer side oscillation of free end towards adjustable shelf 20 of rocking arm 23, cylinder can be controlled by the controller of 3D printer, so can realize the switching of two kinds of printing consumables equally, and guarantee that printing consumables is extruded transmission normally.
Operationally can coordinate to compress printing consumables A or printing consumables B with secondary pressure wheel 52 or secondary pressure wheel 53 for the ease of main pressure wheel 51, above-mentioned adjustable shelf 20 is provided with a through hole 214, it is inner that main pressure wheel 51 is positioned at this through hole 214, the both sides of through hole 214 extend to feeding-passage 211 and feeding-passage 212 respectively, so, after main pressure wheel 51 is placed in through hole 214 inside, printing consumables A and printing consumables B to lay respectively at main pressure wheel 51 both sides in the part of being passed by through hole 214 are penetrated into from feeding-passage 211 and feeding-passage 212, so, when secondary pressure wheel 52 and secondary pressure wheel 53 are towards adjustable shelf 20 medial motion, secondary pressure wheel 52 can be guaranteed, secondary pressure wheel 53 compresses corresponding printing consumables more accurately with main pressure wheel 51.
In the utility model, because needs offer feeding-passage 211 and feeding-passage 212 on adjustable shelf 20, as adjustable shelf 20 is set to integral member, its difficulty of processing is larger, therefore, in the utility model, adjustable shelf 20 comprises the fixing side arm 22 of tandem docking and after-frame 21, side arm 22 and after-frame 21 are provided with two grooves, and feeding-passage 211 and feeding-passage 212 are made up of with relative groove correspondence on after-frame 21 side arm 22 respectively.Certainly, adjustable shelf 20 is set to above-mentioned two parts be fixedly connected with, also can so that discharging gate 31 and discharging gate 32 fixing, particularly, the top of discharging gate 31 and discharging gate 32 is all be clamped between above-mentioned side arm 22 and the bottom of after-frame 21.
Fixed mount 10 also can be the second fixed mount 12 comprising the first fixed mount 11, be fixedly connected with the first fixed mount 11, and adjustable shelf 20 is arranged between the first fixed mount 11 and the second fixed mount 12, and fixed mount 10 is for being connected with the transmission mechanism of 3D printer.
For the ease of the shaping of printing consumables and conveying, above-mentioned discharging gate 31 comprises the cylindrical portion 312 be fixed on adjustable shelf 20 and the shower nozzle 311 being connected to cylindrical portion 312 bottom, after printing consumables enters into discharging gate 31, heater heats cylindrical portion 312, guarantee that the temperature of the printing consumables of cylindrical portion 312 inside meets the requirement of Workpiece shaping, the printing consumables after heating is then sprayed for Workpiece shaping by shower nozzle 311.The structure of above-mentioned discharging gate 32 is identical with above-mentioned discharging gate 31, does not do repeated description here.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (7)
- The novel discharging mechanism of 1.3D printer, is characterized in that, comprise,Fixed mount;Be articulated in the main pressure wheel on fixed mount;For the driver part driving main pressure wheel to rotate;Be articulated in the adjustable shelf on fixed mount, and the pivot center of this adjustable shelf relative to fixed mount and the central axes of main pressure wheel; This adjustable shelf is provided with the feeding-passage that two lay respectively at main pressure wheel both sides, the upper end of feeding-passage extends to the surface formation charging aperture of adjustable shelf; The both sides of adjustable shelf are articulated with a rocking arm respectively, the free end of two rocking arms be articulated with respectively one to be positioned at outside two feeding-passages and with two feeding-passages secondary pressure wheel one to one; Being provided with one between rocking arm and adjustable shelf makes the secondary pressure wheel of rocking arm free end towards the flexible member near adjustable shelf medial motion;Shifting part corresponding with two rocking arms respectively, this shifting part is used for stirring the rocking arm corresponding with it when adjustable shelf moves towards this shifting part to make the outer side oscillation of secondary pressure wheel towards adjustable shelf of this rocking arm free end;The driven unit swung for driving adjustable shelf;Two are fixed on the discharging gate on adjustable shelf, and these two discharging gates are communicated in the bottom of feeding-passage respectively.
- 2. the novel discharging mechanism of 3D printer as claimed in claim 1, it is characterized in that, driven unit comprises first motor of body partial fixing on fixed mount, is synchronously connected in driving gear on the first motor rotation axis, and adjustable shelf top is fixed with the driven gear engaged with driving gear.
- 3. the novel discharging mechanism of 3D printer as claimed in claim 1, it is characterized in that, adjustable shelf is provided with the through hole for holding main pressure wheel, the both sides of this through hole extend to two feeding-passages respectively.
- 4. the novel discharging mechanism of 3D printer as claimed in claim 1, it is characterized in that; the middle part of rocking arm is articulated on adjustable shelf; the free end of rocking arm is the upper end of rocking arm; one end relative with free end on rocking arm forms one by pressure side, flexible member is the spring be subject between pressure side and adjustable shelf being arranged on rocking arm; Position limiting structure be fixed on fixed mount and be positioned at rocking arm by the gag lever post outside pressure side.
- 5. the novel discharging mechanism of 3D printer as claimed in claim 1, it is characterized in that, adjustable shelf comprises the fixing side arm of tandem docking and frame, and side arm and after-frame are provided with two grooves, and two feeding-passages are made up of the groove that side arm and after-frame are oppositely arranged respectively.
- 6. the novel discharging mechanism of 3D printer as claimed in claim 5, is characterized in that, between the side arm of the top clamping of discharging gate and after-frame.
- 7. the novel discharging mechanism of 3D printer as claimed in claim 1, it is characterized in that, driver part is second motor of body partial fixing on fixed mount, and main pressure wheel is fixed on the turning cylinder of the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007822.2U CN204431740U (en) | 2015-01-01 | 2015-01-01 | The novel discharging mechanism of 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007822.2U CN204431740U (en) | 2015-01-01 | 2015-01-01 | The novel discharging mechanism of 3D printer |
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| CN204431740U true CN204431740U (en) | 2015-07-01 |
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| CN201520007822.2U Active CN204431740U (en) | 2015-01-01 | 2015-01-01 | The novel discharging mechanism of 3D printer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003727A (en) * | 2016-06-28 | 2016-10-12 | 杭州铭展网络科技有限公司 | Double-needle-head extrusion control device |
| TWI615267B (en) * | 2017-09-20 | 2018-02-21 | 東友科技股份有限公司 | Dual printhead assembly and 3d printing apparatus using the same |
| CN107791360A (en) * | 2017-10-20 | 2018-03-13 | 龙泉市金宏瓷业有限公司 | A kind of composite ceramic 3D printer discharging controlling device |
| TWI704993B (en) * | 2019-09-17 | 2020-09-21 | 三緯國際立體列印科技股份有限公司 | 3d printing head having electrically descendible nozzle |
| US11007715B2 (en) | 2019-09-17 | 2021-05-18 | Xyzprinting, Inc. | 3D print head with nozzles capable of raising and lowering |
| CN113001975A (en) * | 2021-03-17 | 2021-06-22 | 深圳市创想三维科技有限公司 | 3D prints polychrome shower nozzle device and 3D printer |
| US11173661B2 (en) | 2019-09-17 | 2021-11-16 | Xyzprinting, Inc. | 3D printing head having electrically descendible nozzle |
| WO2021253791A1 (en) * | 2020-06-15 | 2021-12-23 | 深圳市创想三维科技有限公司 | Automatic reloading device for 3d printer, and automatic reloading method |
-
2015
- 2015-01-01 CN CN201520007822.2U patent/CN204431740U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003727A (en) * | 2016-06-28 | 2016-10-12 | 杭州铭展网络科技有限公司 | Double-needle-head extrusion control device |
| CN106003727B (en) * | 2016-06-28 | 2018-07-03 | 杭州铭展网络科技有限公司 | Double needle squeezes out control device |
| TWI615267B (en) * | 2017-09-20 | 2018-02-21 | 東友科技股份有限公司 | Dual printhead assembly and 3d printing apparatus using the same |
| CN107791360A (en) * | 2017-10-20 | 2018-03-13 | 龙泉市金宏瓷业有限公司 | A kind of composite ceramic 3D printer discharging controlling device |
| CN107791360B (en) * | 2017-10-20 | 2019-08-27 | 龙泉市金宏瓷业有限公司 | A kind of composite ceramic 3D printer discharging controlling device |
| TWI704993B (en) * | 2019-09-17 | 2020-09-21 | 三緯國際立體列印科技股份有限公司 | 3d printing head having electrically descendible nozzle |
| US11007715B2 (en) | 2019-09-17 | 2021-05-18 | Xyzprinting, Inc. | 3D print head with nozzles capable of raising and lowering |
| US11173661B2 (en) | 2019-09-17 | 2021-11-16 | Xyzprinting, Inc. | 3D printing head having electrically descendible nozzle |
| WO2021253791A1 (en) * | 2020-06-15 | 2021-12-23 | 深圳市创想三维科技有限公司 | Automatic reloading device for 3d printer, and automatic reloading method |
| CN113001975A (en) * | 2021-03-17 | 2021-06-22 | 深圳市创想三维科技有限公司 | 3D prints polychrome shower nozzle device and 3D printer |
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