CN112776329A - Be applicable to FDM formula 3D printer continuous feed shower nozzle - Google Patents
Be applicable to FDM formula 3D printer continuous feed shower nozzle Download PDFInfo
- Publication number
- CN112776329A CN112776329A CN202011523058.6A CN202011523058A CN112776329A CN 112776329 A CN112776329 A CN 112776329A CN 202011523058 A CN202011523058 A CN 202011523058A CN 112776329 A CN112776329 A CN 112776329A
- Authority
- CN
- China
- Prior art keywords
- pipe
- guide wheel
- bottom shell
- feeding
- friction wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 6
- 238000007639 printing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Ink Jet (AREA)
Abstract
A continuous feeding spray head suitable for an FDM type 3D printer comprises a bottom shell, a nozzle is fixed at the lower end of the bottom shell, a nozzle feeding port is connected with the lower end of a throat pipe, the middle part and the upper end of the throat pipe are located in the bottom shell, first guide wheels and first friction wheels are arranged on two sides of the middle part of the throat pipe, the upper end of the throat pipe is connected with the intersection of the bottoms of a first feeding pipe and a second feeding pipe, and a baffle is arranged at the intersection of the bottoms of the first feeding pipe and the second feeding; a second guide wheel and a second friction wheel are arranged on two sides of the middle part of the first feeding pipe, and a first pressure sensor and a first pressure spring are connected between the second guide wheel and the bottom shell; a third guide wheel and a third friction wheel are arranged on two sides of the middle part of the second feeding pipe, and a second pressure sensor and a second pressure spring are connected between the third guide wheel and the bottom shell; the position change of the second guide wheel and the position change of the third guide wheel are detected through the first sensor and the second sensor, and the second friction wheel and the third friction wheel are respectively started and stopped, so that the feeding pipe does not need to be stopped and the other feeding pipe does not need to take over for feeding when one feeding pipe material is exhausted, and the device has the advantages of compact structure, strong practicability and the like.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a continuous feeding spray head suitable for an FDM type 3D printer.
Background
The FDM type 3D printer is widely used in various fields of production and manufacturing, but has a large shortage in material utilization, especially when the remaining printing material is not enough to support the next printing part, the new material is usually replaced, the old material is usually discarded, which causes waste, and many times of material returning and feeding are needed, which is inefficient; secondly, due to the length of the material, the size of the printed part is greatly limited, one-time printing cannot be successfully carried out, and the printing precision is reduced because the machine needs to be stopped for feeding materials midway.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the continuous feeding spray head suitable for the FDM type 3D printer, so that the material can be supplemented without manual shutdown after the printing material is consumed, large parts cannot be printed due to no limitation on the length of the material, the printing precision is high, and the continuous feeding spray head has the advantages of compact structure, strong practicability, reliable performance, high material utilization rate and the like.
In order to achieve the purpose, the invention adopts the technical scheme that:
a continuous feeding spray head suitable for an FDM type 3D printer comprises a bottom shell 3, a nozzle 1 is fixed at the lower end of the bottom shell 3, a feed inlet of the nozzle 1 is connected with the lower end of a throat 18 extending out of the bottom shell 3, the middle part and the upper end of the throat 18 are located in the bottom shell 3, a first guide wheel 2 and a first friction wheel 15 are arranged on two sides of the middle part of the throat 18, the upper end of the throat 18 is connected with the intersection of the bottom of a first feed pipe 7 and the bottom of a second feed pipe 10, and a baffle 14 is arranged at the intersection of the bottom of the first feed pipe 7 and the bottom of;
a second guide wheel 6 and a second friction wheel 8 are arranged on two sides of the middle part of the first feeding pipe 7, and a first pressure sensor 5 and a first pressure spring 4 are connected between the second guide wheel 6 and the bottom shell 3; a third guide wheel 11 and a third friction wheel 9 are arranged on two sides of the middle part of the second feeding pipe 10, and a second pressure sensor 12 and a second pressure spring 13 are respectively arranged between the third guide wheel 11 and the bottom shell 3;
the upper end feed inlets of the first feed pipe 7 and the second feed pipe 10 extend out of the bottom shell 3.
The heating rod 17 is inserted into the through hole on the nozzle 1.
The bottom shell 3 is connected with the upper shell 16.
The second friction wheel 8 and the third friction wheel 9 have the same specification.
The invention has the beneficial effects that:
the position changes of the second guide wheel 6 and the third guide wheel 11 are detected by the first pressure sensor 6 and the second sensor 12, and the second friction wheel 8 and the third friction wheel 9 are respectively started or stopped, so that when one feeding pipe material is exhausted, the other feeding pipe is not required to be stopped to take over feeding; the invention can supplement materials without manual shutdown after the printing materials are consumed, cannot print large parts without being limited by the length of the materials, has high printing precision, and has the advantages of compact structure, strong practicability, reliable performance, high material utilization rate and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic internal view of the present invention with the upper shell 16 removed.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the continuous feeding spray head suitable for the FDM type 3D printer comprises a bottom shell 3, a nozzle 1 is fixed at the lower end of the bottom shell 3 through a bolt, the nozzle 1 is convenient to detach and replace nozzles of different sizes, and the applicability is wider; the feed inlet of the nozzle 1 is connected with the lower end of a throat pipe 18 extending out of the bottom shell 3, the middle part and the upper end of the throat pipe 18 are positioned in the bottom shell 3, a first guide wheel 2 and a first friction wheel 15 are arranged on two sides of the middle part of the throat pipe 18, the upper end of the throat pipe 18 is connected with the intersection of the bottoms of a first feed pipe 7 and a second feed pipe 10, a baffle plate 14 is arranged at the intersection of the bottoms of the first feed pipe 7 and the second feed pipe 10, when one of the first feed pipe 7 and the second feed pipe 10 feeds, the baffle plate 14 stops the other feed pipe under the extrusion of materials, and the blockage caused by the simultaneous inlet of the two feed pipes is;
a second guide wheel 6 and a second friction wheel 8 are arranged on two sides of the middle part of the first feeding pipe 7, and a first pressure sensor 5 and a first pressure spring 4 are connected between the second guide wheel 6 and the bottom shell 3; a third guide wheel 11 and a third friction wheel 9 are arranged on two sides of the middle part of the second feeding pipe 10, and a second pressure sensor 12 and a second pressure spring 13 are connected between the third guide wheel 11 and the bottom shell 3;
the upper end feed inlets of the first feed pipe 7 and the second feed pipe 10 extend out of the bottom shell 3.
The nozzle 1 is provided with a heating rod 17, so that the printing material can be heated conveniently.
The bottom shell 3 is connected with the upper shell 16 through bolts, and the throat pipe 18, the first feeding pipe 7, the second feeding pipe 10, the first guide wheel 2, the second guide wheel 6, the third guide wheel 11, the first friction wheel 15, the second friction wheel 8, the third friction wheel 9, the first pressure sensor 5, the second pressure sensor 12, the first pressure spring 4 and the second pressure spring 13 are sealed.
The second friction wheel 8 and the third friction wheel 9 have the same specification, and are convenient to accurately control.
The working principle of the invention is as follows:
under the action of the first pressure spring 4, after the displacement of the second guide wheel 6 is detected by the first pressure sensor 5, the second friction wheel 8 stops rotating, the first feeding pipe 7 stops feeding, the third friction wheel 9 is started to rotate, and the second feeding pipe 10 starts feeding; under the action of a second pressure spring 13, after a second pressure sensor 12 detects that a third guide wheel 11 displaces, the third friction wheel 11 stops rotating, a second feeding pipe 10 stops feeding, a second friction wheel 8 is started to rotate, and a first feeding pipe 7 starts feeding; the invention can supplement materials without manual shutdown after the printing materials are completely consumed, and has the advantages of compact structure, strong practicability, reliable performance, high material utilization rate and the like.
Claims (4)
1. The utility model provides a be applicable to FDM formula 3D printer continuous feed shower nozzle, includes drain pan (3), its characterized in that: the nozzle (1) is fixed at the lower end of the bottom shell (3), a feed inlet of the nozzle (1) is connected with the lower end of a throat pipe (18) extending out of the bottom shell (3), the middle part and the upper end of the throat pipe (18) are positioned in the bottom shell (3), a first guide wheel (2) and a first friction wheel (15) are arranged on two sides of the middle part of the throat pipe (18), the upper end of the throat pipe (18) is connected with the intersection of the first feed pipe (7) and the bottom of the second feed pipe (10), and a baffle plate (14) is arranged at the intersection of the first feed pipe (7) and the bottom of the second feed pipe (10);
a second guide wheel (6) and a second friction wheel (8) are arranged on two sides of the middle part of the first feeding pipe (7), and a first pressure sensor (5) and a first pressure spring (4) are connected between the second guide wheel (6) and the bottom shell (3); a third guide wheel (11) and a third friction wheel (9) are arranged on two sides of the middle part of the second feeding pipe (10), and a second pressure sensor (12) and a second pressure spring (13) are connected between the third guide wheel (11) and the bottom shell (3);
the feed inlets at the upper ends of the first feed pipe (7) and the second feed pipe (10) extend out of the bottom shell (3);
the position changes of the second guide wheel (6) and the third guide wheel (11) are detected through the first pressure sensor (6) and the second sensor (12), and the second friction wheel (8) and the third friction wheel (9) are respectively started or stopped, so that when the material of one feeding pipe is exhausted, the other feeding pipe does not need to be stopped to take over feeding.
2. The continuous feed nozzle suitable for the FDM type 3D printer according to claim 1, wherein: the nozzle (1) is provided with a heating rod (17).
3. The continuous feed nozzle suitable for the FDM type 3D printer according to claim 1, wherein: the bottom shell (3) is connected with the upper shell (16).
4. The continuous feed nozzle suitable for the FDM type 3D printer according to claim 1, wherein: the specifications of the second friction wheel (8) and the third friction wheel (9) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523058.6A CN112776329A (en) | 2020-12-21 | 2020-12-21 | Be applicable to FDM formula 3D printer continuous feed shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523058.6A CN112776329A (en) | 2020-12-21 | 2020-12-21 | Be applicable to FDM formula 3D printer continuous feed shower nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112776329A true CN112776329A (en) | 2021-05-11 |
Family
ID=75751824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011523058.6A Pending CN112776329A (en) | 2020-12-21 | 2020-12-21 | Be applicable to FDM formula 3D printer continuous feed shower nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112776329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023030250A1 (en) * | 2021-08-30 | 2023-03-09 | 深圳市纵维立方科技有限公司 | Extrusion device and 3d printer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486988A (en) * | 2017-09-13 | 2017-12-19 | 浙江农林大学 | One kind does not shut down automatic replacement material 3D printing shower nozzle |
| CN207327597U (en) * | 2017-09-29 | 2018-05-08 | 苏州肯美威机械制造有限公司 | One kind is without clout three-dimensional printer nozzle |
-
2020
- 2020-12-21 CN CN202011523058.6A patent/CN112776329A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486988A (en) * | 2017-09-13 | 2017-12-19 | 浙江农林大学 | One kind does not shut down automatic replacement material 3D printing shower nozzle |
| CN207327597U (en) * | 2017-09-29 | 2018-05-08 | 苏州肯美威机械制造有限公司 | One kind is without clout three-dimensional printer nozzle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023030250A1 (en) * | 2021-08-30 | 2023-03-09 | 深圳市纵维立方科技有限公司 | Extrusion device and 3d printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210511 |
|
| RJ01 | Rejection of invention patent application after publication |