CN107031041B - Quick 3D printer furred ceiling structure of two XY and many shower nozzles - Google Patents
Quick 3D printer furred ceiling structure of two XY and many shower nozzles Download PDFInfo
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- CN107031041B CN107031041B CN201710407307.7A CN201710407307A CN107031041B CN 107031041 B CN107031041 B CN 107031041B CN 201710407307 A CN201710407307 A CN 201710407307A CN 107031041 B CN107031041 B CN 107031041B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a suspended ceiling structure of a double-XY and multi-nozzle quick 3D printer with high forming speed, which comprises a large XY moving device, a small XY moving device, a large XY nozzle group and a small XY nozzle group, wherein the large XY moving device is used for driving the small XY moving device and the large XY nozzle group to move along the X direction and the Y direction, the small XY moving device is used for driving the small XY nozzle group to move along the X direction and the Y direction, the large XY moving device comprises a large X moving mechanism and a large Y moving mechanism, the large X moving mechanism comprises a fixed block, a large X synchronous rod, a large X synchronous wheel, a large X motor synchronous wheel, a large X synchronous belt, a large X sliding rod and a large X sliding block, the large Y moving mechanism comprises a large Y synchronous rod, a large Y synchronous wheel, a large Y motor synchronous wheel, a large Y synchronous belt, a large Y sliding rod and a large Y sliding block, the small XY moving device comprises a small Y sliding rod, a small Y synchronous wheel, a small X sliding rod, a small X synchronous wheel, a small XY sliding block, a first motor and a second motor.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a suspended ceiling structure of a double-XY and multi-nozzle rapid 3D printer.
Background
Three-dimensional printing, one of the rapid prototyping technologies, is a technology for constructing an object by using an adhesive material such as powdered metal or plastic based on a digital model file and by printing layer by layer. It has been used to manufacture models in the fields of mold manufacturing, industrial design, etc., and is now increasingly used for direct manufacture of some products. In particular, high value applications (such as hip joints or teeth, or aircraft parts) already have parts printed using this technique. "three-dimensional printing" means the spread of this technology. Three-dimensional printing is typically achieved using digital technology material printers. The production and sales of such printers have increased tremendously over the twenty-first century, and their prices are declining year by year.
The existing suspended ceiling structure of the 3D printer is generally provided with only one XY motion device and one group of spray heads, so that only one group of spray heads can be used for printing when printing is carried out, the forming speed is low, and the forming efficiency is low; in addition, the existing 3D printer cannot print two layers of models simultaneously, and only one layer of model can be printed each time, so that the forming speed of the printed model is low.
Therefore, a suspended ceiling structure of a double XY and multi-nozzle rapid 3D printer with a high forming speed is particularly needed to solve the problems existing in the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a suspended ceiling structure of a double-XY and multi-nozzle rapid 3D printer with a high forming speed, so as to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a quick 3D printer furred ceiling structure of two XY and many shower nozzles, includes big XY telecontrol equipment, little XY telecontrol equipment, big XY shower nozzle group and little XY shower nozzle group, big XY telecontrol equipment is used for driving little XY telecontrol equipment and big XY shower nozzle group and moves along X direction and Y direction, little XY telecontrol equipment is used for driving little XY shower nozzle group and moves along X direction and Y direction.
To further realize the present invention, the large XY moving device includes a large X moving mechanism and a large Y moving mechanism.
In order to further realize the invention, the large X motion mechanism comprises a fixed block, a large X synchronous rod, a large X synchronous wheel, a large X motor synchronous wheel, a large X synchronous belt, a large X sliding rod and a large X sliding block, and the large Y motion mechanism comprises a large Y synchronous rod, a large Y synchronous wheel, a large Y motor synchronous wheel, a large Y synchronous belt, a large Y sliding rod and a large Y sliding block.
In order to further realize the invention, the large X motion mechanism comprises a fixed block, a large X synchronous rod, a large X synchronous wheel, a large X motor synchronous wheel, a large X synchronous belt, a large X sliding rod and a large X sliding block, and the large Y motion mechanism comprises a large Y synchronous rod, a large Y synchronous wheel, a large Y motor synchronous wheel, a large Y synchronous belt, a large Y sliding rod and a large Y sliding block.
In order to further realize the invention, the two large X synchronous rods are arranged and are arranged in parallel, the two large X synchronous rods are longitudinally arranged, two ends of the two large X synchronous rods are connected with the fixed block through bearings, large X synchronous wheels are arranged at corresponding positions of the two large X synchronous rods and are in transmission connection through the large X synchronous belt, one of the large X synchronous rods is provided with a large X motor synchronous wheel, the two large X sliding rods are arranged and are arranged in parallel, the two large X sliding rods are transversely arranged, two ends of the two large X sliding rods are fixedly arranged on the fixed block, the large X sliding block is arranged on the large X sliding rods and can slide along the large X sliding rods, and the large X sliding block is connected with the bottoms of the large X synchronous belts through a connecting plate.
In order to further realize the invention, two large Y synchronous rods are arranged, the two large Y synchronous rods are respectively arranged in the two large X sliding blocks, two ends of each large Y synchronous rod are respectively connected with two inner side surfaces of the large X sliding blocks through bearings, large Y synchronous wheels are respectively arranged at corresponding positions of the two large Y synchronous rods and are in transmission connection through a large Y synchronous belt, one large Y synchronous rod is provided with a large Y motor synchronous wheel, the two large Y sliding rods are arranged in parallel, the two large Y sliding rods are longitudinally arranged, two ends of the two large Y sliding rods are fixedly arranged on the large X sliding blocks, the large Y sliding blocks are arranged on the large Y sliding rods and can slide along the large Y sliding rods, and the large Y sliding blocks are connected with the bottoms of the large Y synchronous belts.
In order to further realize the invention, two small Y slide bars are arranged, the two small Y slide bars are arranged in parallel, the small Y slide bar is fixedly arranged at the bottom of a large Y slide block, a small Y slide rail along the Y direction is arranged at the bottom of the small Y slide bar, a small Y motor synchronous wheel and a small Y synchronous wheel are respectively arranged at two ends of the bottom of the small Y slide bar, the small X slide bar is transversely arranged between the two small Y slide bars and can slide along the small Y slide bar, small Y slide grooves matched with the small Y slide rail are respectively arranged at two ends of the top surface of the small X slide bar, a small X slide rail along the X direction is arranged at the bottom of the small X slide bar, two small X synchronous wheels are respectively arranged at two ends of the bottom of the small X slide bar, the small Y motor synchronous wheel, the small Y synchronous wheel and the small X synchronous wheel are all in XY transmission connection through a small XY synchronous belt, the small Y motor synchronous wheel and the small Y synchronous wheel are all arranged on the inner side surface of the small X synchronous belt, the small Y motor synchronous wheel and the small Y slide rail are respectively connected with a second XY synchronous belt, and a small Y motor synchronous wheel is respectively connected with the second XY synchronous belt.
In order to further realize the present invention, the small XY head group includes a first head, and the large XY head group includes a second head and a third head.
In order to further realize the invention, the heights of the first spray head, the second spray head and the third spray head are the same.
In order to further realize the invention, the heights of the second spray head and/or the third spray head and the first spray head are different.
Advantageous effects
(1) One purpose of the invention is that the model comprises a large XY motion device, a small XY motion device, a large XY spray head group and a small XY spray head group, wherein the large XY motion device is used for driving the small XY motion device and the large XY spray head group to move along the X direction and the Y direction;
(2) One of the purposes of the invention is to enable the 3D printer to print two layers of models simultaneously in a certain range by setting the heights of the large XY spray head group and the small XY spray head group to be different, thereby greatly accelerating the forming speed of the models.
(3) One purpose of the invention is that the large X motion mechanism comprises a fixed block, a large X synchronous rod, a large X synchronous wheel, a large X motor synchronous wheel, a large X synchronous belt, a large X slide rod and a large X slide block.
(4) One purpose of the invention is that the large Y motion mechanism comprises a large Y synchronous rod, a large Y synchronous wheel, a large Y motor synchronous wheel, a large Y synchronous belt, a large Y slide rod and a large Y slide block, when the large Y motion mechanism is used, an external power source drives the large Y motor synchronous wheel to rotate, further drives the large Y synchronous rod to rotate, further drives the large Y synchronous wheel to rotate, further drives the large Y synchronous belt to move, and therefore the whole Y direction is driven to move.
(5) One purpose of the invention is that a small XY movement device is arranged and comprises a small Y sliding rod, a small Y motor synchronous wheel, a small Y synchronous wheel, a small X sliding rod, a small X synchronous wheel, a small XY sliding block, a small XY synchronous belt, a first motor and a second motor, when the small XY synchronous belt is used, the first motor and the second motor are started, when the rotation directions of the first motor and the second motor are the same, the small XY synchronous belt can drive the small XY sliding block to slide along the small X sliding rod, so that the whole X direction movement is driven, and when the rotation directions of the first motor and the second motor are opposite, the small XY synchronous belt can drive the small X sliding rod to slide along the small Y sliding rod, so that the whole Y direction movement is driven, the structure is simple, and the movement is reliable.
Drawings
FIG. 1 is a schematic structural diagram of a suspended ceiling structure of a dual XY and multi-nozzle rapid 3D printer according to the present invention;
FIG. 2 is a schematic structural view of a large X movement mechanism in a double XY and multi-nozzle rapid 3D printer ceiling structure according to the present invention;
FIG. 3 is a schematic structural diagram of a large Y-shaped movement mechanism in a suspended ceiling structure of a double XY and multi-nozzle rapid 3D printer according to the invention;
FIG. 4 is a schematic structural view of a small XY motion device in a double XY and multi-nozzle rapid 3D printer ceiling structure according to the present invention;
fig. 5 is another schematic structural view of a small XY movement device in a ceiling structure of a dual XY and multi-nozzle rapid 3D printer according to the present invention.
Description of reference numerals:
1. a large X motion mechanism; 11. a fixed block; 12. a large X synchronization rod; 13. a large X synchronizing wheel; 14. a large X motor synchronous wheel; 15. a large X synchronous belt; 16. a large X slide bar; 17. a large X slider; 18. a connecting plate; 2. a large Y motion mechanism; 21. a large Y-shaped synchronization bar; 22. a large Y synchronizing wheel; 23. a large Y motor synchronous wheel; 24. a large Y synchronous belt; 25. a large Y-slide bar; 26. a large Y slider; 3. a small XY motion device; 31. a small Y slide bar; 311. a small Y-slide rail; 32. a small Y motor synchronous wheel; 33. a small Y synchronizing wheel; 34. a small X slide bar; 341. a small Y chute 341; 342. a small X-slide rail; 35. a small X synchronizing wheel; 36. a small XY slider; 37. a small XY synchronous belt; 38. a first motor; 39. a second motor; 4. a first nozzle; 5. a second nozzle; 6. and a third spray head.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and the direction of the embodiment is based on the direction of fig. 1.
Example one
As shown in fig. 1 to 5, the ceiling structure of the dual XY and multi-nozzle rapid 3D printer of the present invention includes a large XY moving device, a small XY moving device 3, a large XY nozzle group, and a small XY nozzle group, wherein:
the large XY moving device is used for driving the small XY moving device 3 and the large XY spray head group to move along the X direction and the Y direction, the large XY moving device comprises a large X moving mechanism 1 and a large Y moving mechanism 2, the large X moving mechanism 1 comprises a fixed block 11, a large X synchronizing rod 12, a large X synchronizing wheel 13, a large X motor synchronizing wheel 14, a large X synchronizing belt 15, a large X sliding rod 16 and a large X sliding block 17, two large X synchronizing rods 12 are arranged, the two large X synchronizing rods 12 are arranged in parallel, the two large X synchronizing rods 12 are longitudinally arranged, two ends of the two large X synchronizing rods 12 are connected with the fixed block 11 through bearings, the large X synchronizing wheel 13 is arranged on the corresponding position of the two large X synchronizing rods 12, the large X synchronizing wheel 13 is connected through the large X synchronizing belt 15 in a transmission way, the two large X synchronizing wheels 13 are arranged, one large X synchronizing wheel 12 is provided with one large X motor synchronizing wheel 14, the big X slide bar 16 is provided with two big X slide bars 16 which are arranged in parallel, the two big X slide bars 16 are arranged transversely, two ends of the two big X slide bars 16 are fixedly arranged on the fixing blocks 11, the big X slide block 17 is arranged on the big X slide bar 16 and can slide along the big X slide bar 16, the big X slide block 17 is connected with the bottom of the big X synchronous belt 15 through the connecting plate 18, the big X slide block 17 is arranged in a concave shape, when in use, an external power source drives the big X motor synchronous wheel 14 to rotate so as to drive the big X synchronous wheel 12 to rotate and further drive the big X synchronous wheel 13 to rotate so as to further drive the big X synchronous belt 15 to move, thereby realizing the movement in the whole X direction, the structure is simple, the movement is reliable, the big Y movement mechanism 2 comprises a big Y synchronous rod 21, a big Y synchronous wheel 22, a big Y motor synchronous wheel 23, a big Y24, a big Y slide bar 25 and a big Y slide block 26, two large Y synchronous rods 21 are arranged, the two large Y synchronous rods 21 are respectively arranged in two large X sliding blocks 17, two ends of each large Y synchronous rod 21 are respectively connected with two inner side surfaces of the large X sliding blocks 17 through bearings, two large Y synchronous wheels 22 are arranged on corresponding positions of the two large Y synchronous rods 21, the large Y synchronous wheels 22 are in transmission connection through large Y synchronous belts 24, the large Y synchronous wheels 22 are provided with two groups, one large Y synchronous rod 21 is provided with the large Y motor synchronous wheel 23, the large Y sliding rods 25 are provided with two large Y sliding rods 25 which are arranged in parallel, the two large Y sliding rods 25 are longitudinally arranged, two ends of the two large Y sliding rods 25 are fixedly arranged on the large X sliding blocks 17, the large Y sliding blocks 26 are arranged on the large Y sliding rods 25 and can slide along the large Y sliding rods 25, the large Y sliding blocks 26 are connected with the bottoms of the large Y sliding belts 24, when the large Y synchronous wheels 23 are used, an external power source drives the large Y synchronous rods 21 to rotate, the large Y synchronous wheels 22 to rotate, and further drives the large Y synchronous belts 24 to move, and the whole Y synchronous belt moves reliably.
The small XY moving device 3 is used for driving a small XY spray head group to move along the X direction and the Y direction, the small XY moving device 3 is arranged at the bottom of a large Y slide block 26, the small XY moving device 3 comprises a small Y slide bar 31, a small Y motor synchronous wheel 32, a small Y synchronous wheel 33, a small X slide bar 34, a small X synchronous wheel 35, a small XY slide block 36, a small XY synchronous belt 37, a first motor 38 and a second motor 39, two small Y slide bars 31 are arranged, the two small Y slide bars 31 are arranged in parallel, the small Y slide bar 31 is fixedly arranged at the bottom of the large Y slide block 26, a small Y slide rail 311 along the Y direction is arranged at the bottom of the small Y slide bar 31, the small Y motor synchronous wheel 32 and the small Y synchronous wheel 33 are respectively arranged at two ends of the bottom of the small Y slide bar 31, the small X slide bar 34 is transversely arranged between the two small Y slide bars 31 and can slide along the small Y slide bars 31, two small Y slide bars 34 are respectively arranged at two ends of the two small Y slide bars 34 and can slide along the small Y slide bars 31, the small Y slide bars 34 are respectively arranged at two ends, the two small Y slide bars 32 and can slide bars 32 are connected with the small Y slide bars 34, the small Y slide bar 37 and the small Y synchronous wheel 35, the small Y synchronous wheel 36 are arranged at the two small Y slide bar 35, the two small Y slide bars 35, the small Y slide bar 32 and the small Y synchronous wheels, the small Y synchronous wheel 35, the second synchronous wheel 35, the small Y synchronous wheel 33, the small Y synchronous wheel 32 are connected with the small X synchronous wheel 35, the small X synchronous motor synchronous wheel 35, the small X synchronous wheel 35, the small Y slide bar 32 and the small Y synchronous wheel 35 are connected with the small X synchronous wheel 35, the small Y slide bar 32, the small X synchronous wheel 35, the second synchronous wheel 35, the small Y synchronous wheel 32 are connected with the small Y synchronous wheel 35, the small Y synchronous motor 32 and the second synchronous wheel 35, the small X synchronous wheel 33, when the rotating directions of the first motor 38 and the second motor 39 are the same, the small XY synchronous belt 37 drives the small XY slider 36 to slide along the small X slide bar 34, so as to drive the movement in the whole X direction, and when the rotating directions of the first motor 38 and the second motor 39 are opposite, the small XY synchronous belt 37 drives the small X slide bar 34 to slide along the small Y slide bar 31, so as to drive the movement in the whole Y direction.
The small XY spray head group comprises a first spray head 4, the first spray head 4 is arranged at the bottom of the small XY sliding block 36, the large XY spray head group comprises a second spray head 5 and a third spray head 6, the second spray head 5 and the third spray head 6 are respectively arranged at the bottoms of the two small Y sliding rods 31, and the first spray head 4, the second spray head 5 and the third spray head 6 are identical in height.
In summary, the large X slider 17 and the large Y slider 26 drive the large X synchronous belt 15 and the large Y synchronous belt 24 to move through the power source, so as to drive the small XY moving device 3 to move, the second nozzle 5 and the third nozzle 6 are a set of independent nozzles to print a model, the small XY moving device 3 is a relative whole carried on the large XY moving device, the small X sliding bar 34 and the small Y sliding bar 31 thereof drive the first nozzle 4 to move, and the first nozzle 4, the second nozzle 5 and the third nozzle 6 do not interfere with each other, so that the two sets of nozzles can print simultaneously, and the forming speed of the model is greatly increased.
Example two
As a more preferable implementation manner, different from the first embodiment, the heights of the second nozzle 5 and/or the third nozzle 6 are different from the first nozzle 4, so that the 3D printer can print two layers of models simultaneously within a certain range, and the molding speed of the models is greatly increased.
The above description is only a preferred embodiment of the present invention, the present invention is not limited to the above embodiment, and there may be some slight structural changes in the implementation, and if there are various changes or modifications to the present invention without departing from the spirit and scope of the present invention, and within the claims and equivalent technical scope of the present invention, the present invention is also intended to include those changes and modifications.
Claims (4)
1. A suspended ceiling structure of a double-XY and multi-nozzle rapid 3D printer is characterized by comprising a large XY moving device, a small XY moving device, a large XY nozzle group and a small XY nozzle group, wherein the large XY moving device is used for driving the small XY moving device and the large XY nozzle group to move along the X direction and the Y direction, and the small XY moving device is used for driving the small XY nozzle group to move along the X direction and the Y direction;
the large XY motion device comprises a large X motion mechanism and a large Y motion mechanism;
the large X movement mechanism comprises a fixed block, a large X synchronous rod, a large X synchronous wheel, a large X motor synchronous wheel, a large X synchronous belt, a large X sliding rod and a large X sliding block, and the large Y movement mechanism comprises a large Y synchronous rod, a large Y synchronous wheel, a large Y motor synchronous wheel, a large Y synchronous belt, a large Y sliding rod and a large Y sliding block;
the small XY motion device comprises a small Y slide rod, a small Y motor synchronous wheel, a small Y synchronous wheel, a small X slide rod, a small X synchronous wheel, a small XY slide block, a small XY synchronous belt, a first motor and a second motor;
the two large X synchronous rods are arranged in parallel, the two large X synchronous rods are longitudinally arranged, two ends of the two large X synchronous rods are connected with a fixed block through bearings, large X synchronous wheels are arranged at corresponding positions of the two large X synchronous rods and are in transmission connection through the large X synchronous belt, one of the large X synchronous rods is provided with a large X motor synchronous wheel, the two large X sliding rods are arranged in parallel, the two large X sliding rods are transversely arranged, two ends of the two large X sliding rods are fixedly arranged on the fixed block, the large X sliding block is arranged on the large X sliding rods and can slide along the large X sliding rods, and the large X sliding block is connected with the bottoms of the large X synchronous belts through a connecting plate;
the two large Y-shaped synchronous rods are arranged and are respectively arranged in the two large X-shaped sliding blocks, two ends of each large Y-shaped synchronous rod are respectively connected with two inner side surfaces of the large X-shaped sliding blocks through bearings, large Y-shaped synchronous wheels are arranged at corresponding positions of the two large Y-shaped synchronous rods and are in transmission connection through the large Y-shaped synchronous belts, one large Y-shaped synchronous rod is provided with a large Y-shaped motor synchronous wheel, the two large Y-shaped sliding rods are arranged in parallel, the two large Y-shaped sliding rods are longitudinally arranged, two ends of the two large Y-shaped sliding rods are fixedly arranged on the large X-shaped sliding blocks, the large Y-shaped sliding blocks are arranged on the large Y-shaped sliding rods and can slide along the large Y-shaped sliding rods, and the large Y-shaped sliding blocks are connected with the bottoms of the large Y-shaped synchronous belts;
the small Y slide bar is provided with two small Y slide bars which are arranged in parallel, the small Y slide bars are fixedly arranged at the bottom of a large Y slide block, a small Y slide rail along the Y direction is arranged at the bottom of each small Y slide bar, a small Y motor synchronous wheel and a small Y synchronous wheel are respectively arranged at two ends of the bottom of each small Y slide bar, the small X slide bars are transversely arranged between the two small Y slide bars and can slide along the small Y slide bars, small Y slide grooves matched with the small Y slide rails are respectively arranged at two ends of the top surface of each small X slide bar, a small X slide rail along the X direction is arranged at the bottom of each small X slide bar, two small X synchronous wheels are respectively arranged at two ends of the bottom of each small X slide bar, the small Y motor synchronous wheels, the small Y synchronous wheels and the small X synchronous wheels are all connected through XY synchronous belt transmission, the small Y motor synchronous wheels and the small Y synchronous wheels are all arranged on the inner side surface of the small XY synchronous belt, the small Y motor synchronous wheels and the small Y slide rails are connected with the small XY slide rails, the small Y slide bars and the small Y slide rails are respectively connected with the small X synchronous wheels, the small Y motor synchronous wheels and the second motor synchronous wheels are respectively connected with the small Y slide rails.
2. The dual XY and multi-jet fast 3D printer ceiling structure of claim 1, wherein the small XY jet set comprises a first jet and the large XY jet set comprises a second jet and a third jet.
3. The dual XY and multi-jet fast 3D printer ceiling structure of claim 2, wherein the first jet, the second jet, and the third jet are the same height.
4. The double XY and multi-nozzle fast 3D printer ceiling structure according to claim 2, wherein the second and/or third nozzles are not at the same height as the first nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407307.7A CN107031041B (en) | 2017-06-01 | 2017-06-01 | Quick 3D printer furred ceiling structure of two XY and many shower nozzles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407307.7A CN107031041B (en) | 2017-06-01 | 2017-06-01 | Quick 3D printer furred ceiling structure of two XY and many shower nozzles |
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| CN107031041A CN107031041A (en) | 2017-08-11 |
| CN107031041B true CN107031041B (en) | 2023-02-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109719943A (en) * | 2019-01-23 | 2019-05-07 | 杭州科技职业技术学院 | A kind of 3D printer with printing speed function |
| CN112428576A (en) * | 2019-08-26 | 2021-03-02 | 浙江师徒智能科技有限公司 | Coaxial four-platform 3D printer |
| CN113263721B (en) * | 2021-06-09 | 2022-04-26 | 河北大学 | Three-nozzle layered collaborative printing method |
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