CN208376006U - Print head and three-dimensional printer - Google Patents
Print head and three-dimensional printer Download PDFInfo
- Publication number
- CN208376006U CN208376006U CN201820998106.9U CN201820998106U CN208376006U CN 208376006 U CN208376006 U CN 208376006U CN 201820998106 U CN201820998106 U CN 201820998106U CN 208376006 U CN208376006 U CN 208376006U
- Authority
- CN
- China
- Prior art keywords
- light
- print head
- miniature tube
- light source
- operated miniature
- 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.)
- Withdrawn - After Issue
Links
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000000465 moulding Methods 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims description 4
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical group C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 abstract description 17
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000016 photochemical curing Methods 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The utility model provides a kind of print head and three-dimensional printer, wherein, print head includes print head body, light source and light-operated miniature tube assembly, one end of print head body has nozzle, light-operated miniature tube assembly is arranged inside print head body and is connected to nozzle, light source irradiates one end on light-operated miniature tube component far from nozzle, and one end far from nozzle is shunk in light-operated miniature tube assembly.Light-operated miniature tube assembly through capillary action sucks moulding material in print head, and light source irradiates light-operated miniature tube component so that one end in light-operated miniature tube assembly far from nozzle is shunk, and moulding material is sprayed from print head.Moulding material can be saved using the print head of the structure to the maximum extent, and without immersing print platform in forming tank.And the volume of printing objects is not limited by forming tank size, being capable of the biggish three-dimension object of print volume.
Description
Technical field
The utility model relates to 3 D-printing fields, specifically, being to be related to a kind of print head and have a print head
Three-dimensional printer.
Background technique
Three-dimensional printer is a kind of equipment for carrying out printing three-dimension object using rapid shaping technique, is with mathematical model
Three-dimension object is printed layer by layer using materials such as plastics, liquid light maleate resin or powdered-metals in basis.The mistake of 3 D-printing
Journey head passed through CAD (CAD) or the modeling of computer animation modeling software before this, then the threedimensional model built up " is divided
Area " obtains machining path at layer-by-layer section, further according to analysis cross section information, so that printer be instructed successively to print.According to work
The difference for making principle, the rapid shaping technique utilized have melted extrusion modeling (Fused Deposition Modeling,
FDM), laser selective sinter molding (Selective Laser Sintering, SLS), selective laser melting molding
(SLM), Stereolithography (Stereo lithography Apparatus, SLA) etc..
The basic principle and photocuring of digital light processing (Digital Light Processing, DLP) three-dimensional printer
Molding principle is essentially identical, and using DLP technology, light source is imaged using projector, and light source successively solidifies liquid photosensitive resin, beats
Print off the higher three-dimension object of resolution ratio.But the projection of shape of DLP light source is more easier to control, resolution ratio is beyond typical
The 3D printer of Fused Deposition Modeling (FDM) type.
Existing photocuring three-dimensional printer is that successively production needs in the side corresponding with forming tank on print platform
The object to be printed.But such structure the problem is that, the object printed is on print platform, when platform is upward
When mobile, illumination curing layer coheres very tightly with molding trench bottom, when platform being caused to be pulled up with molding trench bottom disengaging, institute
Need pulling force very big.And entire print platform is totally immersed into forming tank, is easy to cause the waste of moulding material.And printed matter
The volume of body is limited to the size of print platform and forming tank, and printing objects volume is typically small.
Summary of the invention
The main purpose of the utility model is to provide that a kind of saving moulding material, printing shaping be high-efficient and avoidable appearance
The print head of printing objects and molding trench bottom adhesion problems.
The another object of the utility model is to provide a kind of three-dimensional printer with above-mentioned print head.
To realize above-mentioned main purpose, the utility model provides a kind of print head, including print head body, light source and light-operated
Miniature tube assembly, one end of print head body have a nozzle, light-operated miniature tube assembly be arranged inside print head body and with spray
Mouth connection, light source irradiate one end on light-operated miniature tube component far from nozzle, one end far from nozzle in light-operated miniature tube assembly
It shrinks.
By above scheme as it can be seen that light-operated miniature tube assembly through capillary action sucks moulding material in print head, light source
Light-operated miniature tube component is irradiated so that one end in light-operated miniature tube assembly far from nozzle is shunk, and moulding material is from print head
Middle ejection.Moulding material can be saved using the print head of the structure to the maximum extent, and without by print platform immerse at
In type groove.And the volume of printing objects is not limited by forming tank size, being capable of the biggish three-dimension object of print volume.
One Preferable scheme is that, the one end of print head body far from nozzle is arranged in light source.
It can be seen that light source can irradiate on the top of light-operated miniature tube, spray moulding material from print head.
One Preferable scheme is that, the side of light-operated miniature tube assembly is arranged in light source, and light source can be along vertical direction
Decaying filter is placed between mobile and/or light source and light-operated miniature tube assembly.
It can be seen that light source can also be irradiated in the side of light-operated miniature tube, spray moulding material from print head.Separately
Outside, the direction of motion of moulding material in light-operated miniature tube is controlled by the decaying direction of the moving direction of light or light.
Further embodiment is that light source and decaying filter are respectively positioned on inside print head body.
Further embodiment is that light source is located at the outside of print head body, and print head body is made of transparent material.
One Preferable scheme is that, light-operated miniature tube assembly includes multiple light for being arranged in parallel and extending along vertical direction
Miniature tube is controlled, the outer diameter of light-operated miniature tube is within the scope of 0.01 millimeter to 2 millimeters, and internal diameter is 0.001 millimeter to 1.99 millimeters model
In enclosing.
It can be seen that multiple light-operated miniature tubes are arranged in parallel, it can be irradiated to simultaneously convenient for light source, so that each light-operated micro-
Type pipe while outward injection molding material.
Further embodiment is that the pipe wall material of light-operated miniature tube is the high molecular material containing azobenzene group.
To realize above-mentioned another object, the utility model provides a kind of three-dimensional printer, including print platform, forming tank,
Light curring unit and above-mentioned print head, for forming tank for holding moulding material, it is flat that print head and light curring unit are respectively positioned on printing
The top of platform, print head are drawn the moulding material in forming tank and are sprayed on print platform, and light curring unit is flat towards printing
Platform irradiation.
By above scheme as it can be seen that light-operated miniature tube assembly through capillary action sucks moulding material in print head, light source
Light-operated miniature tube component is irradiated so that one end in light-operated miniature tube assembly far from nozzle is shunk, and moulding material is from print head
Middle ejection.Moulding material can be saved using the print head of the structure to the maximum extent, and without by print platform immerse at
In type groove.And it being capable of the biggish three-dimension object of print volume.
One Preferable scheme is that, the inside of light curring unit is arranged in light source.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model three-dimensional printer first embodiment.
Fig. 2 is that light-operated miniature tube generates capillary phenomenon in forming tank in the utility model three-dimensional printer first embodiment
Schematic diagram.
Fig. 3 is schematic diagram of the light-operated miniature tube before light source irradiation in the utility model three-dimensional printer first embodiment.
Fig. 4 is schematic diagram of the light-operated miniature tube after light source irradiation in the utility model three-dimensional printer first embodiment.
Fig. 5 is the structural schematic diagram of light curring unit and print head in the utility model three-dimensional printer second embodiment.
Fig. 6 is the structural schematic diagram of print head in the utility model three-dimensional printer 3rd embodiment.
Fig. 7 is schematic diagram of the light-operated miniature tube after light source irradiation in the utility model three-dimensional printer 3rd embodiment.
Fig. 8 is schematic diagram in the 5th embodiment of the utility model three-dimensional printer.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
Print head and three-dimensional printer first embodiment
Referring to Fig. 1, the three-dimensional printer of the present embodiment is photocuring three-dimensional printer, and photocuring three-dimensional printer includes beating
Print platform 11, forming tank 12, cleaning device 13, control device 14, light curring unit 15 and print head 16.Print platform 11 is used for
Carry the three-dimension object 110 of printing.Light curring unit 15 is located at the top of print platform 11, and light curring unit 15 is flat towards printing
Platform 11 irradiates, and for irradiating moulding material that print head 16 is injected on print platform 11 and making the mold material cures, forms
Slot 12 is for holding moulding material, and the side of forming tank 12 is arranged in cleaning device 3, for cleaning print head 16.Print platform
11, print head 16, forming tank 12 and light curring unit 15 are connect with control device 14.
Print head 16 includes print head body, light source 162 and light-operated miniature tube assembly 163, light source 162 and light curring unit
15 are respectively positioned on the surface of print platform 11, and optionally, light source 162 is arranged in light curring unit 15 or light source 162 is arranged
In the side of light curring unit 15.The lower end of print head body has nozzle 1611, and the light-operated miniature setting of tube assembly 163 is printing
Head body interior is simultaneously connected to nozzle 1611, and light source 162 irradiates one end on light-operated miniature tube component 163 far from nozzle 1611
Afterwards, one end in light-operated miniature tube assembly 163 far from nozzle 1611 is shunk, and moulding material is sprayed from nozzle 1611.Control device
14 control the ejection rate of moulding material by controlling the intensity of illumination of light source 162.
Light source 162 is located at the one end of print head body far from nozzle 1611.Light-operated miniature tube assembly 163 includes multiple parallel
The light-operated miniature tube 1631 for being arranged and extending along vertical direction, it is light-operated after light source 162 irradiates the upper end of light-operated miniature tube 1631
The upper end of miniature tube 1631 is shunk, and so that light-operated miniature tube 1631 is become cone by cylindrical type, is utilized the light-operated miniature tube of photoinduction
The variation of 1631 caliber sizes generates capillary force, and then drives the moulding material movement in miniature tube.Light-operated miniature tube
1631 outer diameter is within the scope of 0.01 millimeter to 2 millimeters, and internal diameter is within the scope of 0.001 millimeter to 1.99 millimeters.Utilize photoinduction
The principle that light-operated miniature tube 1631 deforms is referring to CN107676541A.The pipe wall material of light-operated miniature tube 1631 is to contain azobenzene
The high molecular material of group, the preparation method of pipe wall material is referring to CN103087296A.
Light source 162 in the present embodiment is any one in ultraviolet light, visible light, feux rouges and near infrared light.
Referring to fig. 2, Fig. 2 is the schematic diagram that light-operated miniature tube 1631 generates capillary phenomenon in forming tank, and moulding material is
Photosensitive resin, photosensitive resin are wetting liquids relative to light-operated miniature tube 1631, and light-operated miniature tube 1631 is insert molded slot
Afterwards, photosensitive resin under the action of liquid light maleate resin surface tension F in forming tank enters light-operated miniature tube 1631 and rises,
Additionally, due to the part photosensitive resin effect by gravity G simultaneously for entering light-operated miniature tube 1631, when the table of photosensitive resin
When face tension F is equal with gravity G, photosensitive resin stress balance is rested on after no longer rising in light-operated miniature tube 1631, such as Fig. 3 institute
Show, even if light-operated miniature tube is removed forming tank, due to the photosensitive resin stress balance in light-operated miniature tube, because without under
It falls.
The Method of printing of three-dimensional printer includes the following steps.
Step 1, control device 14 export first movement signal to print head 16, and print head 16 is moved to forming tank 12
Top is simultaneously protruded into forming tank 12, as shown in Fig. 2, moulding material enters light-operated miniature tube assembly 163 under capillary action.
Step 2, control device 14 export the second movable signal to print head 16, and print head 16 is moved to print platform 11
Top, control device 14 exports luminous signal to light source 162, and light source 162 shines according to the luminous signal and irradiate light-operated micro-
Type tube assembly 163, as shown in figure 4, light-operated miniature tube 1631 is shunk far from one end of nozzle 1611, moulding material is sprayed on printing
On platform 11.
Step 3, control device 14 export third movable signal to print head 16, the mobile print platform 11 of print head 16
Side.
Step 4, control device 14 export luminous signal to light curring unit 15, and light curring unit 15 is according to the letter that shines
Number shine and irradiate the moulding material being sprayed on print platform 11, so that moulding material is formed solidification on print platform 11
Layer.
Step 5 repeats step 2 to step 4, until the moulding material spraying in print head 16 finishes.
Step 6, control device 14 control print head 16 and are moved at cleaning device 13, and cleaning device 13 is to print head 16
After being cleaned, step 1 is repeated to step 5, until completing the printing of three-dimension object 110.
Print head and three-dimensional printer second embodiment
As the explanation of the utility model print head second embodiment, below only to above-mentioned print head first embodiment
Difference is explained.Three-dimensional printer second embodiment is the three-dimensional printer for being equipped with print head second embodiment.
Referring to Fig. 5, light source is arranged in light curring unit 25, and print head 26 is wholely set with light curring unit 25, and is beaten
The lower part of light curring unit 25 is arranged in print head 26.
Print head and three-dimensional printer 3rd embodiment
As the explanation of the utility model print head 3rd embodiment, below only to above-mentioned print head first embodiment
Difference is explained.Three-dimensional printer 3rd embodiment is the three-dimensional printer for being equipped with print head 3rd embodiment.
Referring to Fig. 6 and Fig. 7, the side of light-operated miniature tube assembly 363 is arranged in light source 362, and light source 362 can be along vertical
Direction is mobile, is placed with decaying filter between light source 362 and light-operated miniature tube assembly 363, is radiated at light-operated miniature tube
The intensity of light on 3631 gradually decays from top to bottom, and light source 362 and decaying filter are respectively positioned on inside print head body.
Print head and three-dimensional printer fourth embodiment
As the explanation of the utility model print head fourth embodiment, below only to above-mentioned print head 3rd embodiment
Difference is explained.Three-dimensional printer fourth embodiment is the three-dimensional printer for being equipped with print head fourth embodiment.
The light source for irradiating light-operated miniature tube is located at the outside of print head body, and print head body is made of transparent material.
The 5th embodiment of print head and three-dimensional printer
As the explanation of the 5th embodiment of the utility model print head, below only to above-mentioned print head first embodiment
Difference is explained.The 5th embodiment of three-dimensional printer is the three-dimensional printer for being equipped with the 5th embodiment of print head.
Referring to Fig. 8, light source 562 is located at the surface of print platform 51, and light curring unit 55 is located at the side of print platform 51
Top is provided with reflecting optics 50 between light curring unit 55 and print platform 51, the light warp issued from light curring unit 55
It is reflected on print platform 51 after crossing reflecting optics 50, the light of reflection is for irradiating the molding being sprayed on print platform 51
Material makes moulding material form cured layer on print platform 51.Light source 562 and print head 56 are wholely set in the present embodiment.
Print head and three-dimensional printer sixth embodiment
As the explanation of the utility model print head sixth embodiment, below only to above-mentioned print head first embodiment
Difference is explained.Three-dimensional printer sixth embodiment is the three-dimensional printer for being equipped with print head sixth embodiment.
It is provided with the negative pressure generating device being connected to light-operated miniature tube far from nozzle one end on the print head, in step 1,
After print head is moved to the top of forming tank and is protruded into forming tank, control device is believed to negative pressure generating device output services
Number, negative pressure generating device work sucks the moulding material in forming tank in the light-operated miniature tube of print head, then negative pressure reason
Device stops working, and negative pressure generating device can accelerate the speed that print head draws moulding material from forming tank.
Further, it is also possible to which guide rail is arranged between print platform and print head, forming tank is enable to be moved to print platform
Between print head, so that print head be made to draw the moulding material in forming tank.Above scheme is also able to achieve the utility model
Purpose.
Therefore light-operated miniature tube assembly through capillary action sucks moulding material in print head, light source irradiation light
Miniature tube assembly is controlled so that one end in light-operated miniature tube assembly far from nozzle is shunk, moulding material is sprayed from print head
Out.Moulding material can be saved using the print head of the structure to the maximum extent, and it is not necessary that print platform is immersed forming tank
In.And the volume of printing objects is not limited by forming tank size, being capable of the biggish three-dimension object of print volume.
Claims (9)
1. print head, it is characterised in that: including print head body, light source and light-operated miniature tube assembly, the print head body
One end has nozzle, and the light-operated miniature tube assembly is arranged inside the print head body and is connected to the nozzle, described
Light source irradiates one end in the light-operated miniature tube assembly far from the nozzle, the separate spray in the light-operated miniature tube assembly
It shrinks one end of mouth.
2. print head according to claim 1, it is characterised in that:
The one end of the print head body far from the nozzle is arranged in the light source.
3. print head according to claim 1, it is characterised in that:
The side of the light-operated miniature tube assembly is arranged in the light source, and the light source can move along vertical direction, and/or
Decaying filter is placed between the light source and the light-operated miniature tube assembly.
4. print head according to claim 3, it is characterised in that:
The light source and the decaying filter are respectively positioned on inside the print head body.
5. print head according to claim 3, it is characterised in that:
The light source is located at the outside of the print head body, and the print head body is made of transparent material.
6. print head according to any one of claims 1 to 5, it is characterised in that:
The light-operated miniature tube assembly includes multiple light-operated miniature tubes for being arranged in parallel and extending along vertical direction, described light-operated
The outer diameter of miniature tube is within the scope of 0.01 millimeter to 2 millimeters, and internal diameter is within the scope of 0.001 millimeter to 1.99 millimeters.
7. print head according to claim 6, it is characterised in that:
The pipe wall material of the light-operated miniature tube is the high molecular material containing azobenzene group.
8. three-dimensional printer, which is characterized in that any including print platform, forming tank, light curring unit and claim 1 to 7
Print head described in, for the forming tank for holding moulding material, the print head and the light curring unit are respectively positioned on institute
The top of print platform is stated, the print head is drawn the moulding material in the forming tank and is sprayed on the print platform,
The light curring unit is irradiated towards the print platform.
9. three-dimensional printer according to claim 8, it is characterised in that:
The inside of the light curring unit is arranged in the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998106.9U CN208376006U (en) | 2018-06-26 | 2018-06-26 | Print head and three-dimensional printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998106.9U CN208376006U (en) | 2018-06-26 | 2018-06-26 | Print head and three-dimensional printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208376006U true CN208376006U (en) | 2019-01-15 |
Family
ID=64964686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820998106.9U Withdrawn - After Issue CN208376006U (en) | 2018-06-26 | 2018-06-26 | Print head and three-dimensional printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208376006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688153A (en) * | 2018-06-26 | 2018-10-23 | 珠海天威飞马打印耗材有限公司 | Print head, three-dimensional printer and its Method of printing |
-
2018
- 2018-06-26 CN CN201820998106.9U patent/CN208376006U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688153A (en) * | 2018-06-26 | 2018-10-23 | 珠海天威飞马打印耗材有限公司 | Print head, three-dimensional printer and its Method of printing |
| CN111590893A (en) * | 2018-06-26 | 2020-08-28 | 珠海天威飞马打印耗材有限公司 | Print head and three-dimensional printer |
| CN111590893B (en) * | 2018-06-26 | 2024-03-08 | 珠海天威增材有限公司 | Printing head and three-dimensional printer |
| CN108688153B (en) * | 2018-06-26 | 2024-04-19 | 珠海天威增材有限公司 | Printing head, three-dimensional printer and printing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220916 Address after: Room 103-036, 1st Floor, Building 1, No. 18, Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 (centralized office area) Patentee after: Zhuhai Tianwei Additives Co.,Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: PRINT RITE UNICORN IMAGE PRODUCTS Co.,Ltd. OF ZHUHAI |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190115 Effective date of abandoning: 20240419 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190115 Effective date of abandoning: 20240419 |