CN108381925B - 3D prints shower nozzle self-adaptation controlling means - Google Patents
3D prints shower nozzle self-adaptation controlling means Download PDFInfo
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- CN108381925B CN108381925B CN201810484784.8A CN201810484784A CN108381925B CN 108381925 B CN108381925 B CN 108381925B CN 201810484784 A CN201810484784 A CN 201810484784A CN 108381925 B CN108381925 B CN 108381925B
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- nozzle
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- wire feed
- wire feeding
- printing
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000010146 3D printing Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 28
- 238000007639 printing Methods 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- 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
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a 3D printing nozzle self-adaptive control device which comprises a control system, a feedback device and an execution device, wherein the control system comprises a wire feeding speed control module and a nozzle switching module, the feedback device comprises a speed measuring sensor and an FSR pressure sensor, the execution device comprises a wire feeding mechanism and a nozzle switching device, the speed measuring sensor detects the wire feeding speed in real time, the nozzle switching device is provided with a rotatable switching nozzle, and each nozzle is provided with an FSR pressure sensor for detecting the feedback force of the nozzle in real time. The control system receives signals of the feedback device to judge the wire feeding speed condition of the spray head, controls the executing mechanism to adjust the wire feeding speed and switch the main nozzle and the auxiliary nozzle, calls the large-aperture spray head when the inner wall and the inner filling feature of the large-sized part are printed, calls the small-aperture spray head when the outer wall feature is printed, and improves the printing efficiency while improving the 3D printing reliability.
Description
Technical Field
The invention belongs to the field of equipment manufacturing and control, relates to a device capable of automatically switching spray heads under various working conditions in a self-adaptive manner, and particularly relates to a self-adaptive control device for a 3D printing spray head in the field of additive manufacturing.
Background
With the increasing popularity of 3D technology, 3D printers on the market often encounter various problems during the use process to cause printing failure, wherein, nozzle blockage is the most common fault, and once the nozzle blockage occurs and is not found in time, the printed model is always scrapped completely, so that a great deal of time and materials are wasted. In addition, it is difficult to achieve both printing efficiency and printing accuracy with only a single-aperture nozzle in the same printer. When printing large-scale part, it often needs several days to take time to print with the shower nozzle of aperture, and it is too rough to print then the surface with the shower nozzle of aperture, therefore, need improve 3D printer's shower nozzle system structure in order to increase 3D printer's reliability and improve printing efficiency in order to satisfy user's demand of printing large-scale part.
Disclosure of Invention
In view of this, the invention adopts a set of combined spray head and self-adaptive control system, adopts a rotary redundant structure to increase the standby spray head, improves the reliability of the system, automatically switches the thick spray heads and the thin spray heads, and improves the working efficiency of the equipment.
In order to achieve the above purpose, the specific technical scheme is as follows.
The utility model provides a 3D prints shower nozzle self-adaptation controlling means, comprises control system, feedback device, executive device, and wherein control system comprises wire feed speed control module and shower nozzle switching module, and control through master control chip MCU is concentrated, feedback device comprises speed sensor and FSR pressure sensor, executive device includes wire feed mechanism, shower nozzle switching device, speed sensor installs the wire feed speed of real-time detection wire feed mechanism on wire feed mechanism, wire feed mechanism still includes speed measuring code wheel, wire feed motor, wire feed gear, wire feed pipe, be equipped with the nozzle holder on the shower nozzle switching device, wire feed pipe one end is connected wire feed mechanism export, and the other end links to each other with the wire inlet of nozzle holder upper end, the terminal surface is equipped with four shower nozzles under the nozzle holder, is first main shower nozzle, first vice shower nozzle, second main shower nozzle, second shower nozzle respectively, four shower nozzles on all be equipped with FSR pressure sensor, spring, heating ring, stand pipe, sleeve, nozzle, FSR pressure sensor real-time detection shower nozzle goes out the feedback dynamics, and carries out the different regulation to the speed of wire feed back to the nozzle after control module and the shower nozzle switching device receives the control module and carries out the speed and switches over between the different shower nozzle.
Preferably, a speed measuring code wheel on the wire feeding mechanism is arranged on an output shaft of the wire feeding motor and rotates synchronously with the wire feeding gear, and the speed measuring sensor detects the rotating speed of the wire feeding gear.
Preferably, the wire feeding tube is a polytetrafluoroethylene tube.
Preferably, the nozzle seat is of a cylindrical structure, and the first main nozzle, the first auxiliary nozzle, the second main nozzle and the second auxiliary nozzle are arranged in an outer oblique angle circumferential array at the lower end of the nozzle seat.
Preferably, the nozzle seat is rotatable, so that the working nozzle arranged on the nozzle seat is always vertically downward, and other non-working nozzles incline, thereby avoiding influencing printing.
Preferably, the nozzle of the first main nozzle and the nozzle of the first auxiliary nozzle have the same aperture, and are large aperture nozzles, wherein the first auxiliary nozzle is a redundant standby nozzle, the nozzle apertures of the second main nozzle and the second auxiliary nozzle are the same, and are small aperture nozzles, and the second auxiliary nozzle is a redundant standby nozzle.
Preferably, the guide tube is of a hollow stepped shaft structure, a large-diameter section of the guide tube is located above, a small-diameter section of the guide tube is inserted into the sleeve, the outer wall of the small-diameter section is in clearance fit with the inner wall of the sleeve, the guide tube can axially slide in the sleeve, one end of the annular FSR pressure sensor is attached to the upper end face of the sleeve, and the other end of the annular FSR pressure sensor is attached to the stepped surface of the guide tube.
Preferably, the nozzle is in threaded connection with the lower end face of the guide pipe, the upper end face of the nozzle is in contact with one face of the spring, and the other face of the spring is attached to the lower end face of the sleeve.
Preferably, the heating ring is installed on the outer side of the sleeve, and the inner wall of the heating ring is in interference fit with the outer wall of the sleeve.
Compared with the prior art, the technical scheme of the invention has the advantages that.
The four spray heads can adopt two kinds of nozzles with different apertures, a part main body can be quickly constructed by using a large-aperture nozzle when the internal structure is printed, and the fineness of the part can be ensured by using a small-aperture nozzle when the external surface is printed.
The four spray heads are combined and arranged on the spray head seat in a bevel rotating mode, so that the spray heads in a non-working state are prevented from rubbing on the surfaces of the parts.
Each spray head is provided with a layer of annular FSR film pressure sensor for feeding back impedance data to a main control chip MCU, when a normal printing feeding system feeds wires, if the pressure data is detected to be abnormally smaller than the lower limit of a pressure range, the situation that the deformation of a printing part is overlarge or the wire feeding quantity is overlarge is indicated, and the main control chip MCU controls a wire feeding mechanism to reduce the wire feeding quantity so as to reduce accumulated deformation until the wire feeding mechanism returns to the normal pressure range; conversely, when the pressure data is detected to be abnormally higher than the pressure set value, the wire feeding quantity is properly increased; when the wire is normally fed, the speed measuring sensor for detecting the wire feeding gear does not detect the motion pulse and the FSR pressure data is abnormal, the fault of the plug of the spray head is indicated at the moment, the spray head switching control module controls the spray head switching device to automatically call the auxiliary spray head to continue printing, and meanwhile, the system interface alarms to prompt an operator to overhaul or replace the nozzle of the plug after printing is completed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic overall structure of an embodiment of the present invention.
FIG. 2 is a schematic diagram of a wire feeder and spray head assembly according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a device for detecting a rotational speed of a wire feeding gear in a wire feeding mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a feedback portion of a single nozzle according to an embodiment of the present invention.
FIG. 5 is a logic diagram of a feed rate and showerhead switching control module according to an embodiment of the invention.
FIG. 6 is a logic diagram of a spray head switching control module according to an embodiment of the present invention.
The device comprises a wire feeding mechanism 1, a wire feeding tube 2, a nozzle seat 3, a first main nozzle 4, a first auxiliary nozzle 5, a second main nozzle 6, a second auxiliary nozzle 7, a wire feeding motor 11, a wire feeding gear 12, a speed measuring code wheel 13, a speed measuring sensor 14, a guide tube 41, an annular FSR film pressure sensor 42, a sleeve 43, a heating ring 44, a spring 45 and a nozzle 46.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Embodiments of the present invention will be specifically explained below with reference to the drawings.
Fig. 1 is a schematic diagram of the overall structure of a 3D printing head adaptive control device according to an embodiment of the present invention. The device comprises a control system, a feedback device and an execution device, wherein the control system consists of a wire feeding speed control module and a spray head switching module, the feedback device consists of a speed measuring sensor and an FSR film pressure sensor, and the execution device consists of a wire feeding mechanism and a spray head switching device.
As shown in fig. 2, which is a schematic structural diagram of a combination part of a wire feeding mechanism and a nozzle in an embodiment of the present invention, one end of a wire feeding tube 2 is connected to an outlet of the wire feeding mechanism 1, the other end is connected to a wire inlet at an upper end of a nozzle seat 3, four nozzles are arranged on a lower end surface of the nozzle seat 3, and the four nozzles are respectively a first main nozzle 4, a first auxiliary nozzle 5, a second main nozzle 6 and a second auxiliary nozzle 7, and are arranged in an outer bevel circumferential array at a lower end surface of the nozzle seat 3.
Fig. 3 is a schematic diagram of a device for detecting a rotational speed of a wire feeding gear in a wire feeding mechanism according to an embodiment of the present invention, wherein 11 is a wire feeding motor, 12 is a wire feeding gear, 13 is a speed measuring code wheel, and 14 is a speed measuring sensor. The speed measuring code disc 13 and the wire feeding gear 12 are both arranged on the output shaft of the wire feeding motor 11, and the speed measuring sensor 14 can detect the wire feeding speed of the wire feeding mechanism in real time.
As shown in fig. 4, the structure of the feedback part of a single spray head is schematically shown, the four spray heads are identical in structure, a guide tube 41, an annular FSR film pressure sensor 42, a sleeve 43, a heating ring 44, a spring 45 and a nozzle 46 are all arranged, the guide tube 41 is of a hollow stepped shaft structure, a large diameter section of the guide tube is positioned above, a small diameter section of the guide tube is inserted into the sleeve 43, the outer wall of the small diameter section is in clearance fit with the inner wall of the sleeve 43, the guide tube can axially slide in the sleeve 43, one end of the annular FSR pressure sensor 42 is attached to the upper end surface of the sleeve 43, the other end of the annular FSR pressure sensor is attached to the step surface of the guide tube 41, the nozzle 46 is in threaded connection with the lower end surface of the guide tube 41, the upper end surface of the nozzle 46 is in contact with one surface of the spring 45, the other surface of the spring 45 is attached to the lower end surface of the sleeve 43, the heating ring 44 is mounted on the outer wall of the sleeve 43, the inner wall of the heating ring 44 is in interference fit with the outer wall of the sleeve 43, and the annular FSR film pressure sensor 42 can detect the wire feeding back force of the nozzle 46 in real time.
During normal printing, the annular FSR film pressure sensor 42 keeps normal values under the action of the pretightening force and the wire feeding feedback force of the spring 45, when the wire feeding resistance becomes large due to excessive deformation of a printing part or excessive wire feeding, the guide ring 41 slightly slides upwards, the annular FSR film pressure sensor 42 detects that pressure data is reduced, when the data is smaller than a set value, the wire feeding speed control module controls the wire feeding mechanism 1 to properly reduce the rotating speed of the wire feeding motor 11 so as to reduce the wire feeding amount, and conversely, when the pressure data is detected to be higher than the set value, the wire feeding amount is properly increased.
During normal printing, when the speed sensor 14 detects that the motion pulse is abnormal and the data of the annular FSR film pressure sensor 42 is overlarge, the nozzle 46 is not in wire discharge, the wire feeding gear 12 is slipped at the same time, the nozzle is in fault, the nozzle switching control module controls the nozzle switching device to automatically call the auxiliary nozzle to continue printing, meanwhile, an alarm is given on a system interface to prompt an operator to overhaul or replace the nozzle of the plug after printing is finished, and specific control logic can refer to FIG. 5.
In the process of printing large parts, the master control chip MCU can control the spray head switching device, and when the inner wall and the inner filling part of the model are printed, the first main spray head 4 is switched to be a working spray head; when the outer wall portion of the model is printed, the second main nozzle 6 is switched to be a working nozzle, wherein the nozzle aperture of the first main nozzle 4 is 1.2mm, the nozzle aperture of the second main nozzle is 0.4mm, the nozzle aperture of the first auxiliary nozzle 5 is 1.2mm, and the nozzle aperture of the second auxiliary nozzle 7 is 0.4mm, and specific control logic can refer to fig. 6.
The foregoing detailed description of the embodiments of the present invention has been presented for the purpose of illustration only, and the invention is not limited to the embodiments described above, but any equivalent modifications or alternatives to the embodiments of the present invention are within the scope of the present invention for those skilled in the art, for example, the number of spray heads in the drawings of the embodiments of the present invention is 4 merely for convenience of description, the invention is not limited to the number illustrated, and the invention may be extended to any number N as required. Accordingly, equivalent modifications and variations are intended to be included within the scope of the present invention, without departing from the spirit and scope thereof.
Claims (8)
1. The utility model provides a 3D prints shower nozzle self-adaptation controlling means, by control system, feedback device, executive device, wherein control system comprises wire feed speed control module and shower nozzle switching module, and control through master control chip MCU is concentrated, feedback device comprises speed sensor and FSR pressure sensor, executive device comprises wire feed mechanism, shower nozzle switching device, speed sensor installs real-time detection wire feed speed of wire feed mechanism on wire feed mechanism, wire feed mechanism still includes wire feed motor, speed measuring code wheel, wire feed gear, wire feed tube, be equipped with the nozzle holder on the shower nozzle switching device, wire feed tube one end is connected wire feed mechanism export, and the other end links to each other with the wire inlet of nozzle holder upper end, the terminal surface is equipped with four shower nozzles under the nozzle holder, is first main shower nozzle, first vice shower nozzle, second vice shower nozzle, the second shower nozzle respectively, four shower nozzles on all be equipped with FSR pressure sensor, spring, heating ring, stand pipe, sleeve, nozzle, the stand pipe be hollow ladder shaft structure, its major diameter section is located the top, and its minor diameter section inserts in the sleeve, and the inside diameter is equipped with the inside diameter sleeve at the side of end face, the inside diameter sleeve, the end face is equipped with the end face of the inner shaft, the end face is connected with the end face of the feedback device, the end face is connected with the end face of the piston, the end face is down in order to carry out to control the end face, and the end face is equipped with the end face, and the end face is connected with the end face, and has the end-piece, and has the end quality to the end quality.
2. The adaptive control device for 3D printing head according to claim 1, wherein the speed measuring code wheel on the wire feeding mechanism is mounted on the output shaft of the wire feeding motor and rotates synchronously with the wire feeding gear.
3. The apparatus of claim 1, wherein the wire feed pipe is a polytetrafluoroethylene pipe.
4. A 3D printing head adaptive control apparatus as defined in claim 1 wherein said FSR pressure sensor is of annular thin film construction.
5. The 3D printing nozzle self-adaptive control device according to claim 1, wherein the nozzle base is of a cylindrical structure, and the first main nozzle, the first auxiliary nozzle, the second main nozzle and the second auxiliary nozzle are arranged in an outer oblique angle circumferential array at the lower end of the nozzle base.
6. The device for adaptively controlling 3D printing nozzle according to claim 1, wherein the nozzle holder is rotatable for switching the working nozzle, the nozzle in the working state is always in a vertically downward state, and other non-working nozzles are inclined.
7. The 3D printing head self-adaptive control device according to claim 1, wherein the first main nozzle and the first auxiliary nozzle have the same nozzle aperture and are large-aperture nozzles, wherein the first auxiliary nozzle is a redundant standby nozzle, the second main nozzle and the second auxiliary nozzle have the same nozzle aperture and are small-aperture nozzles, and the second auxiliary nozzle is a redundant standby nozzle.
8. The 3D printing nozzle self-adaptive control device according to claim 1, wherein the heating ring is arranged on the outer side of the sleeve, and the inner wall of the heating ring is in interference fit with the outer wall of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484784.8A CN108381925B (en) | 2018-05-20 | 2018-05-20 | 3D prints shower nozzle self-adaptation controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484784.8A CN108381925B (en) | 2018-05-20 | 2018-05-20 | 3D prints shower nozzle self-adaptation controlling means |
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| Publication Number | Publication Date |
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| CN108381925A CN108381925A (en) | 2018-08-10 |
| CN108381925B true CN108381925B (en) | 2024-01-12 |
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| CN201810484784.8A Active CN108381925B (en) | 2018-05-20 | 2018-05-20 | 3D prints shower nozzle self-adaptation controlling means |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435241A (en) * | 2018-11-12 | 2019-03-08 | 河北工程大学 | A kind of 3D printing device |
| CN111590892A (en) * | 2019-04-12 | 2020-08-28 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer |
| CN110257935B (en) * | 2019-07-10 | 2022-02-15 | 广东工业大学 | Automatic liquid storage and spraying adjusting device for centrifugal spinning |
| CN110666919B (en) * | 2019-09-24 | 2021-02-19 | 南通理工学院 | Self-adaptive speed regulation control method for spreading scraper of ceramic 3D printer |
| US20230109044A1 (en) * | 2020-04-13 | 2023-04-06 | Hewlett-Packard Development Company, L.P. | Feedback via mechanical imaging components |
| CN112060566B (en) * | 2020-08-24 | 2021-09-03 | 深圳市纵维立方科技有限公司 | Three-dimensional printer and control method |
| CN115008755B (en) * | 2022-05-12 | 2023-05-02 | 浙江大学高端装备研究院 | Continuous path planning method based on 'back' -shaped wall-attached filling |
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| CN104626589A (en) * | 2015-01-30 | 2015-05-20 | 江苏浩宇电子科技有限公司 | Rotary type double-nozzle switching device for 3D printing |
| CN205219745U (en) * | 2015-09-23 | 2016-05-11 | 吉林省迪思科技有限公司 | Distal end wire drive feed unit based on pressure parameter feedback |
| CN105666879A (en) * | 2016-03-28 | 2016-06-15 | 刘湘静 | 3D printer with anti-blockage detecting and warning functions |
| CN208180267U (en) * | 2018-05-20 | 2018-12-04 | 昆山市奇迹三维科技有限公司 | 3D printing spray head adaptive controller |
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- 2018-05-20 CN CN201810484784.8A patent/CN108381925B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| CN104626589A (en) * | 2015-01-30 | 2015-05-20 | 江苏浩宇电子科技有限公司 | Rotary type double-nozzle switching device for 3D printing |
| CN205219745U (en) * | 2015-09-23 | 2016-05-11 | 吉林省迪思科技有限公司 | Distal end wire drive feed unit based on pressure parameter feedback |
| CN105666879A (en) * | 2016-03-28 | 2016-06-15 | 刘湘静 | 3D printer with anti-blockage detecting and warning functions |
| CN208180267U (en) * | 2018-05-20 | 2018-12-04 | 昆山市奇迹三维科技有限公司 | 3D printing spray head adaptive controller |
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Effective date of registration: 20231215 Address after: 215100 Floor 4, Building 1, No. 27 Xingwu Road, Economic Development Zone, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Jiangsu Miracle Intelligent Manufacturing Technology Co.,Ltd. Address before: 215300 Room 403, No. 1699, Zuchongzhi South Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: KUNSHAN MIRACLE 3D TECHNOLOGY Co.,Ltd. |
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