CN113910605A - 3D printing head capable of avoiding material blockage - Google Patents
3D printing head capable of avoiding material blockage Download PDFInfo
- Publication number
- CN113910605A CN113910605A CN202111369678.3A CN202111369678A CN113910605A CN 113910605 A CN113910605 A CN 113910605A CN 202111369678 A CN202111369678 A CN 202111369678A CN 113910605 A CN113910605 A CN 113910605A
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- Prior art keywords
- pipe
- nozzle
- thick bamboo
- throat
- choke
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- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000010146 3D printing Methods 0.000 title abstract description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 24
- 241001330002 Bambuseae Species 0.000 claims description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 24
- 239000011425 bamboo Substances 0.000 claims description 24
- 238000005485 electric heating Methods 0.000 claims description 18
- 238000004806 packaging method and process Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 20
- 239000007921 spray Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B29C64/35—Cleaning
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention provides a 3D printing head capable of avoiding material blockage, which comprises a nozzle, wherein a wrapping cylinder is arranged above the nozzle, a throat pipe is arranged on the inner side of the wrapping cylinder, the lower end of the throat pipe is contacted with the nozzle, a heat dissipation block is arranged above the throat pipe, a plurality of groups of circular holes are arranged in the middle of the heat dissipation block in sequence from top to bottom, the inner sides of the circular holes are connected with the outer side of the wrapping cylinder, a tetrafluoride pipe is arranged on the inner side of the wrapping cylinder, the tetrafluoride pipe is positioned in the throat pipe, the lower end of the tetrafluoride pipe extends into the throat pipe and is contacted with the input end of the nozzle, the upper end of the tetrafluoride pipe extends out of the wrapping cylinder, the 3D printing head capable of avoiding material blockage carries out 3D printing material conveying through the tetrafluoride pipe arranged, 3D printing materials are isolated by utilizing the high temperature resistance, the non-adhesiveness and the non-flammability of the tetrafluoride pipe, the 3D printing materials are prevented from being directly contacted with the heat dissipation block and the throat pipe, the material can be directly communicated to the nozzle, so that the spray head and the throat pipe do not need to be cleaned frequently, and the use is convenient.
Description
Technical Field
The invention relates to the field of 3D printing equipment, in particular to a 3D printing head capable of avoiding material blockage.
Background
3D printing is one of the rapid prototyping technologies, also called additive manufacturing, and is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like and by using a data model file as a basis and by using a layer-by-layer printing mode, wherein 3D printing is usually realized by adopting a data technology material printer, a 3D printing head is one of important components of the 3D printer, and the 3D printing head is usually provided with a heating element for heating and a heat dissipation element for dissipating heat of the heating element;
in the prior art, the heat dissipation efficiency of a heat dissipation part is low, wherein the section where the throat is connected with the heat dissipation part needs high heat conduction performance, so that the heat dissipation is timely, if the heat dissipation is not timely, the printing material is easily melted, and then when the printing material passes through the 3D printing head, too much melting occurs, the throat is easily blocked, so that the nozzle and the throat need to be cleaned frequently, and the 3D printing head is very inconvenient.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a 3D print head capable of avoiding material blockage, in which a heat dissipation assembly of the 3D print head conveys a 3D printing material through a tetrafluoride tube, the 3D printing material is isolated by utilizing the high temperature resistance, non-adhesiveness and non-flammability of the tetrafluoride tube, and the material is prevented from directly contacting with a heat dissipation block and a throat tube, so that the material can be directly led to a nozzle, and the nozzle and the throat tube do not need to be cleaned frequently, which is convenient to use.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a D beats printer head radiator unit, includes the nozzle, the top of nozzle is equipped with a parcel section of thick bamboo, and the inboard of a parcel section of thick bamboo installs the choke, the lower extreme and the nozzle contact of choke, and the top of choke is equipped with the radiating block, the intermediate position of radiating block is equipped with the round hole, and the radiating block is from last to being equipped with the multiunit down in proper order, the inboard and the outside of a parcel section of thick bamboo of round hole are connected, and the inboard of a parcel section of thick bamboo is equipped with the tetrafluoro pipe, the tetrafluoro pipe is located the choke, the lower extreme of tetrafluoro pipe extends to the choke to contact with the input of nozzle, the upper end of tetrafluoro pipe extends to outside the parcel section of thick bamboo.
The further improvement lies in that: the electric heating device is characterized in that an electric heating block is arranged below the wrapping barrel, a mounting hole is formed in the electric heating block, the mounting hole is connected with the nozzle, the output end of the nozzle is located below the mounting hole, the mounting hole is connected with the lower portion of the throat pipe, and the throat pipe is rotatably connected with the mounting hole through threads.
The further improvement lies in that: the quick connector is arranged above the wrapping cylinder and is rotatably connected with the wrapping cylinder through threads, and the protection ring is arranged above the quick connector.
The further improvement lies in that: the wrapping cylinder and the plurality of groups of radiating blocks are integrally formed.
The further improvement lies in that: the multiple groups of radiating blocks are arranged at equal intervals.
The further improvement lies in that: the diameter of the inner ring of the protection ring is larger than that of the tetrafluoride pipe, and the protection ring has elasticity.
The further improvement lies in that: the lower end of the quick connector is in contact with the upper end of the throat pipe.
The invention has the beneficial effects that: this kind of 3D beats printer head radiator unit carries out 3D and prints the transport of material through the tetrafluoro pipe that sets up, utilize the high temperature resistance and the non-stick nature and the incombustibility of tetrafluoro pipe self, isolated 3D prints the material, avoid the direct and radiating block of material and choke contact, make the material can directly reach to the nozzle, thereby need not often to clear up shower nozzle and choke, facilitate the use, and simultaneously, adopt the screw to connect more, make dismantle between each part and install all comparatively convenient, so that subsequent regular cleaning and maintenance.
Drawings
Fig. 1 is a schematic front view of a first embodiment of the present invention.
Fig. 2 is a schematic front sectional view of a first embodiment of the present invention.
Fig. 3 is a schematic front view illustrating a connection between a heat dissipation block and a connection rod according to a first embodiment of the invention.
Fig. 4 is a schematic diagram of a side view of the fan case according to the second embodiment of the present invention.
Wherein: 1. a nozzle; 2. a wrapping drum; 3. a throat; 4. a heat dissipating block; 5. a tetrafluoride pipe; 6. an electrical heating block; 7. mounting holes; 8. a quick connector; 9. a guard ring; 10. a connecting rod; 11. a limiting clamping groove; 12. a fan frame; 13. and a limiting member.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to fig. 1-2, the embodiment provides a 3D printing head capable of avoiding material blockage, which includes a nozzle 1, a wrapping cylinder 2 is disposed above the nozzle 1, a throat 3 is disposed at the lower end of the wrapping cylinder 2, the lower end of the throat 3 contacts the nozzle 1, a heat dissipation block 4 is disposed above the throat 3, a plurality of sets of circular holes are disposed at the middle position of the heat dissipation block 4, the heat dissipation block 4 is sequentially disposed from top to bottom, the inner side of the circular holes is connected with the outer side of the wrapping cylinder 2, a tetrafluoro tube 5 is disposed at the inner side of the wrapping cylinder 2, the lower end of the tetrafluoro tube 5 extends into the throat 3 and contacts the input end of the nozzle 1, the tetrafluoro tube 5 is disposed, so that 3D printing materials can be isolated by utilizing the high temperature resistance, non-adhesion and non-combustibility of the tetrafluoro tube 5, the materials can be prevented from directly contacting the heat dissipation block and the throat, and the materials can be directly communicated to the nozzle 1, the problem of material blockage caused by softening of materials is avoided, so that the spray head and the throat pipe do not need to be cleaned frequently, the use is convenient, meanwhile, threads are adopted for connection, and the parts are convenient to detach and install.
The below of a parcel section of thick bamboo 2 is equipped with electric heating block 6, be equipped with mounting hole 7 on the electric heating block 6, and be connected with nozzle 1 in the mounting hole 7, the output of nozzle 1 is located the below of mounting hole 7, and be connected with the lower part of choke 3 in the mounting hole 7, choke 3 rotates with mounting hole 7 through the screw thread to be connected, electric heating block 6 is combination formula design, and be equipped with the electricity connection end on the electric heating block 6, and choke 3 is connected through screw thread and mounting hole 7, be in the dismantlement formula promptly, only need rotate electric heating block 6, can make choke 3 and electric heating block 6 separate, easy to assemble and dismantlement.
Install quick-operation joint 8 on tetrafluoro pipe 5, quick-operation joint 8 is located the top of a parcel section of thick bamboo 2, and quick-operation joint 8 rotates through screw thread and a parcel section of thick bamboo 2 to be connected, protection ring 9 is installed to quick-operation joint 8's top, protection ring 9's effect is mainly avoided tetrafluoro pipe 5 the condition of bending to appear in the in-process that uses under certain degree, then provide certain protection to tetrafluoro pipe 5, and simultaneously, quick-operation joint 8's setting has made things convenient for tetrafluoro pipe 5 to be connected with a parcel section of thick bamboo 2, easy to assemble and dismantlement.
A parcel section of thick bamboo 2 sets up with the 4 formula one-piece molding as an organic whole of multiunit radiating block, adopts the integral type design, promotes the holistic stability of a parcel section of thick bamboo 2 and radiating block 4.
The multiple groups of radiating blocks 4 are arranged at equal intervals, and the radiating blocks 4 are arranged at equal intervals, so that the distance between every two groups of radiating blocks is equal, radiating uniformity is promoted, and the conditions of good local radiating performance and poor local radiating performance are avoided.
The diameter of the inner ring of the protection ring 9 is larger than that of the tetrafluoride pipe 5, the protection ring 9 has elasticity, after the tetrafluoride pipe 5 is connected with external equipment, the nozzle can move ceaselessly in the using process, and then the connection between the tetrafluoride pipe 5 and the quick connector can be protected through the protection ring 9, so that the condition that creases appear on the tetrafluoride pipe 5 is avoided, and then the normal conveying of printing materials can be ensured.
The lower end of the quick connector 8 is contacted with the upper end of the throat pipe 3.
Example two
According to the drawings 1-4, the embodiment provides a 3D printing head capable of avoiding material blockage, which comprises a nozzle 1, a wrapping cylinder 2 is arranged above the nozzle 1, a throat 3 is arranged at the lower end of the wrapping cylinder 2, the lower end of the throat 3 is in contact with the nozzle 1, a heat dissipation block 4 is arranged above the throat 3, a plurality of groups of heat dissipation blocks 4 are arranged in the middle of the heat dissipation block 4 from top to bottom, the inner sides of the round holes are connected with the outer side of the wrapping cylinder 2, a tetrafluoride tube 5 is arranged on the inner side of the wrapping cylinder 2, the lower end of the tetrafluoride tube 5 extends into the throat 3 and is in contact with the input end of the nozzle 1, the 3D printing material can be isolated by utilizing the high temperature resistance, the non-adhesiveness and the non-flammability of the tetrafluoride tube 5, the material is prevented from being in direct contact with the heat dissipation block and the throat, the material can be directly communicated with the nozzle, and the problem of material blockage caused by softening of the material is avoided, therefore, the spray head and the throat pipe do not need to be cleaned frequently, the use is convenient, and meanwhile, the spray head and the throat pipe are connected by threads, so that the disassembly and the assembly of all parts are convenient.
The below of a parcel section of thick bamboo 2 is equipped with electric heating block 6, be equipped with mounting hole 7 on the electric heating block 6, and be connected with nozzle 1 in the mounting hole 7, the output of nozzle 1 is located the below of mounting hole 7, and be connected with the lower part of choke 3 in the mounting hole 7, choke 3 rotates with mounting hole 7 through the screw thread to be connected, electric heating block 6 is combination formula design, and be equipped with the electricity connection end on the electric heating block 6, and choke 3 is connected through screw thread and mounting hole 7, be in the dismantlement formula promptly, only need rotate electric heating block 6, can make choke 3 and electric heating block 6 separate, easy to assemble and dismantlement.
Install quick-operation joint 8 on tetrafluoro pipe 5, quick-operation joint 8 is located the top of a parcel section of thick bamboo 2, and quick-operation joint 8 rotates with a parcel section of thick bamboo 2 through the screw thread to be connected, protection ring 9 is installed to quick-operation joint 8's top, the inner circle diameter of protection ring 9 is greater than the diameter of tetrafluoro pipe 5, the condition of bending appears in the in-process of avoiding tetrafluoro pipe 5 to use under certain degree to the effect of protection ring 9, then come to provide certain protection to tetrafluoro pipe 5, and simultaneously, quick-operation joint 8's setting, it is connected with a parcel section of thick bamboo 2 to have made things convenient for tetrafluoro pipe 5, easy to assemble and dismantlement.
The left and right sides of a parcel section of thick bamboo 2 all is equipped with the connective bar 10 of two sets of relative settings, and the both ends of connective bar 10 all are equipped with threaded connection portion, connective bar 10 is located between two sets of radiating block 4, and the outside of connective bar 10 is equipped with spacing draw-in groove 11 on radiating block 4, and the size and the connective bar 10 adaptation of spacing draw-in groove 11.
Both sides all are equipped with fan case 12 around a parcel section of thick bamboo 2, and install radiator fan in the fan case 12, be equipped with the connecting hole on the fan case 12, and the quantity and the position of connecting hole all correspond with connective bar 10, threaded connection portion on the connective bar 10 passes the connecting hole and installs locating part 13, locating part 13 rotates with threaded connection portion through the screw thread to be connected, beats printer head work in-process at 3D, can accelerate the air flow between the radiating block 4 through the radiator fan who sets up to promote the radiating effect of radiating block 4, and radiator fan is connected through connecting hole and connective bar 10, is that radiator fan hangs on connective bar 10 promptly, and carries out spacingly to fan case 12 through the locating part 13 that sets up, in order to reach fixed effect, simultaneously, the diameter of locating part 13 is greater than the diameter of connecting hole.
The interval between two liang among the multiple unit radiating block 4 is less than the diameter of connective bar 10, and the during operation utilizes the radiating block 4 of connective bar 10 both sides to carry on spacingly to connective bar 10 after the connective bar 10 installation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a 3D who avoids material jam beats printer head which characterized in that: including nozzle (1), the top of nozzle (1) is equipped with a parcel section of thick bamboo (2), and the inboard of a parcel section of thick bamboo (2) installs choke (3), the lower extreme and nozzle (1) contact of choke (3), and the top of choke (3) is equipped with radiating block (4), the intermediate position of radiating block (4) is equipped with the round hole, and radiating block (4) from last to being equipped with the multiunit down in proper order, the inboard of round hole is connected with the outside of a parcel section of thick bamboo (2), and the inboard of a parcel section of thick bamboo (2) is equipped with tetrafluoro pipe (5), tetrafluoro pipe (5) are located choke (3), the lower extreme of tetrafluoro pipe (5) extends to in choke (3) to with the input contact of nozzle (1), the upper end of tetrafluoro pipe (5) extends to outside a parcel section of thick bamboo (2).
2. A 3D print head to avoid material clogging as claimed in claim 1, characterized by: the electric heating device is characterized in that an electric heating block (6) is arranged below the wrapping cylinder (2), a mounting hole (7) is formed in the electric heating block (6), the mounting hole (7) is connected with the nozzle (1), the output end of the nozzle (1) is located below the mounting hole (7), the mounting hole (7) is connected with the lower portion of the throat pipe (3), and the throat pipe (3) is rotatably connected with the mounting hole (7) through threads.
3. A 3D print head to avoid material clogging as claimed in claim 1, characterized by: install quick-operation joint (8) on tetrafluoro pipe (5), quick-operation joint (8) are located the top of a parcel section of thick bamboo (2), and quick-operation joint (8) rotate with a parcel section of thick bamboo (2) through the screw thread and are connected, protection ring (9) are installed to the top of quick-operation joint (8).
4. A 3D print head to avoid material clogging as claimed in claim 1, characterized by: the packaging barrel (2) and the plurality of groups of radiating blocks (4) are integrally formed.
5. A 3D print head to avoid material clogging as claimed in claim 1, characterized by: the multiple groups of radiating blocks (4) are arranged at equal intervals.
6. A 3D print head to avoid material clogging according to claim 3, characterized by: the diameter of the inner ring of the protection ring (9) is larger than that of the tetrafluoride pipe (5), and the protection ring (9) has elasticity.
7. A 3D print head to avoid material clogging according to claim 3, characterized by: the lower end of the quick joint (8) is contacted with the upper end of the throat pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369678.3A CN113910605A (en) | 2021-11-16 | 2021-11-16 | 3D printing head capable of avoiding material blockage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369678.3A CN113910605A (en) | 2021-11-16 | 2021-11-16 | 3D printing head capable of avoiding material blockage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113910605A true CN113910605A (en) | 2022-01-11 |
Family
ID=79247556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111369678.3A Pending CN113910605A (en) | 2021-11-16 | 2021-11-16 | 3D printing head capable of avoiding material blockage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113910605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734062A (en) * | 2022-01-19 | 2022-07-12 | 上海工程技术大学 | 3D metal printing device and printing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205800198U (en) * | 2016-05-03 | 2016-12-14 | 扬州亚泰医学设备有限公司 | A kind of 3D printer Anti-blockage nozzle |
| CN106515008A (en) * | 2016-12-22 | 2017-03-22 | 广州紫苑智能科技有限公司 | Three-dimensional printing head and three-dimensional printing machine provided with same |
| CN212498977U (en) * | 2019-12-21 | 2021-02-09 | 苏州无限三维科技产业有限公司 | 3D print head convenient to dismantle and maintain |
-
2021
- 2021-11-16 CN CN202111369678.3A patent/CN113910605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205800198U (en) * | 2016-05-03 | 2016-12-14 | 扬州亚泰医学设备有限公司 | A kind of 3D printer Anti-blockage nozzle |
| CN106515008A (en) * | 2016-12-22 | 2017-03-22 | 广州紫苑智能科技有限公司 | Three-dimensional printing head and three-dimensional printing machine provided with same |
| CN212498977U (en) * | 2019-12-21 | 2021-02-09 | 苏州无限三维科技产业有限公司 | 3D print head convenient to dismantle and maintain |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734062A (en) * | 2022-01-19 | 2022-07-12 | 上海工程技术大学 | 3D metal printing device and printing method |
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