CN108724701A - A kind of 3D printer - Google Patents
A kind of 3D printer Download PDFInfo
- Publication number
- CN108724701A CN108724701A CN201810886377.XA CN201810886377A CN108724701A CN 108724701 A CN108724701 A CN 108724701A CN 201810886377 A CN201810886377 A CN 201810886377A CN 108724701 A CN108724701 A CN 108724701A
- Authority
- CN
- China
- Prior art keywords
- hopper
- printer according
- rack
- workbench
- side wall
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000007639 printing Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 238000007873 sieving Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000010146 3D printing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
-
- 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
-
- 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
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 present invention relates to 3D printing fields, more specifically, it is related to a kind of 3D printer, hopper including rack, for storing liquid printing consumables and bottom wall light transmission, above hopper and the profiled sheeting that can be moved up and down and the curing light source below hopper, which further includes for driving what hopper moved horizontally to sieve mechanism；The present invention is using sieving mechanism, when profiled sheeting moves up, allows hopper to be translatable certain displacement, can release the stiction force between curing molding layer unit and the light transmission bottom wall of hopper, and take into account the Forming Quality for keeping current curing molding layer unit lower surface.
Description
Technical field
The invention belongs to 3D printing fields, and in particular to a kind of 3D printer.
Background technology
The existing printer for liquid printing consumables, mainly according to molding principle is superimposed, specifically,
If the 3D models of workpiece are first divided into dried layer according to a scheduled direction before printing, each layer, which is respectively formed one, has foreign steamer
Wide pattern, later, using printer, in the outer profile pattern according to respective layer, the printing fluid printing on a profiled sheeting consumes
Material repeats above-mentioned action then by printed pattern layer, and the printing shaping of workpiece is finally completed on profiled sheeting.
The existing 3D printer using liquid printing consumables shaping workpiece is specifically to be placed in dress liquid using a profiled sheeting
In the hopper of printing consumables, light irradiation makes liquid printing consumables in hopper cure and being attached on profiled sheeting successively, every
After one superimposed layer solidification, needs drive profiled sheeting to move up a slight distance and be solidified into preparing superimposed layer next time
Type, however when executing each layer of curing operation, due to lower surface and the hopper upper surface of current curing forming unit layer
Between can have certain adhesion, in this case, if promoting profiled sheeting directly up, current curing shape layer list will be made
It is caused centainly by downward adhesion pulling force, and to the flatness of the lower surface of current curing molding layer unit the lower surface of member
It influences.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of 3D printers, and machine is sieved by distinctive
Structure, when can efficiently solve profiled sheeting promotion, adhesion between current curing molding layer unit lower surface and hopper upper surface,
The problem of influencing Forming Quality.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of 3D printer, including rack, the hopper for storing liquid printing consumables and bottom wall light transmission, be located at the hopper
Top and the profiled sheeting that can be moved up and down and the curing light source below the hopper, it is characterised in that：The 3D is beaten
Print machine further includes for driving what the hopper moved horizontally to sieve mechanism.
The present invention sieves mechanism by what drive hopper moved horizontally, using simple structure, is released admittedly by translating
Stiction force between chemical conversion type layer unit and the light transmission bottom wall of hopper, improves the Forming Quality of printing.
In order to improve assembling, the mechanism that sieves includes the second drive component and the second transmission component.
In order to improve the stability of hopper installation, the rack is equipped with workbench, and the hopper is mounted on the work
On platform.
It in order to which the space for providing enough is sieved, avoids collision, is provided on the workbench and accommodates the hopper
Opening has gap between the edge of the opening and the hopper side wall.
In order to simplify the complexity for sieving mechanism, and effectively achieve the effect that sieve, second transmission component includes
The litter of plane on the workbench and where being parallel to the workbench set on the hopper side wall and is socketed in institute
The sliding block and eccentric rotor stated litter and be slidably matched with the litter, the eccentric rotor include cam part and driving portion,
The cam part is actively connected to the outboard end of hopper side wall, and the driving portion connects second drive component.
In order to which effectively coordinate cam part sieves reset work, the outboard end of the hopper side wall far from the cam part
Equipped with resetting apparatus, the resetting apparatus is elastic element.
In order to avoid hopper and eccentric rotor are lost caused by frequently friction, the hopper side wall is abutted with the cam part
Place is equipped with buffer pad, and the buffer pad is elastomeric material.
Further include that drive the profiled sheeting to move up and down first drives to make profiled sheeting that elevating movement be effectively performed
Dynamic component and the first transmission component.
In order to improve assembling, first drive component includes the first motor being fixed on the rack.
In order to effectively drive profiled sheeting work, first transmission component include along the bracket height direction extend and
The drive lead screw of connection synchronous with the shaft of the first motor, the liter for being socketed on the drive lead screw and passing through screw-thread fit
It drops frame and in the rack and along the guide rod that the bracket height direction extends, the crane is actively socketed
On the guide rod, the profiled sheeting is fixed on the crane.
Compared with prior art, the beneficial effects of the invention are as follows：
Compared to existing 3D printer, the present invention utilizes since hopper to be movably mounted in rack and sieves mechanism
Hopper can be made to translate or reset, by allowing hopper to be translatable certain displacement, fully release curing molding layer unit and hopper
Light transmission bottom wall between stiction force, and take into account the Forming Quality for keeping current curing molding layer unit lower surface.The present invention
Reasonable design, it is easy to use, the quality of printed product can be effectively improved by simple step, meet the need of practical application
It asks.
Description of the drawings
Fig. 1 is the structural schematic diagram of 3D printer；
Fig. 2 is the front view of 3D printer；
Fig. 3 is to state the structural schematic diagram for sieving mechanism；
Fig. 4 is the fundamental diagram for sieving mechanism；
Wherein：10, rack；11, workbench；111, it is open；12, guide rod；20, hopper；200, liquid printing consumables；21, side
Wall；30, curing light source；31, light；40, crane；50, profiled sheeting；60, first motor；61, drive lead screw；70, eccentric to turn
Son；71, shaft；72, buffer pad；73, spring；74, slide bar；75, sliding block；8, forming unit layer.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific implementation mode, the present invention is further illustrated.Wherein, attached drawing is only used for showing
Example property explanation, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to be better described
The embodiment of the present invention, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；In retouching for the present invention
In stating, it is to be understood that if it is based on attached drawing to have the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right"
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore position relationship described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figures 1 to 4, it is most preferred embodiment provided by the invention.A kind of 3D printer, including rack 10, hopper
20, profiled sheeting 50, sieve mechanism, the first drive component, the first transmission component and curing light source 30, wherein rack 10 be it is whole
The installation foundation of a device is provided with workbench 11 in the rack 10, and hopper 20 is for filling liquid printing consumables 200 comprising
Light transmission bottom wall and the side wall 21 for being disposed around light transmission bottom wall surrounding, hopper 20 are the structure of opened upper end, and profiled sheeting 50 is located at material
The top of slot 20, the length and width of the profiled sheeting 50 are respectively less than the length and width of hopper 20, the first drive component and the
One transmission component drives profiled sheeting 50 positioned at material for driving profiled sheeting 50 to be moved up and down along the short transverse of rack 10
It position in slot 20 and is moved between the position outside hopper 20, curing light source 30 is located at the lower section of hopper 20, the solidification
The light 31 that light source 30 is launched passes through light transmission bottom wall 21 that the liquid printing consumables inside hopper 20 can be made to cure, for example,
UV light-cured resins can be selected in liquid printing consumables, and curing light source 30 selects UV ultraviolet lamp pipe.
First drive component includes the first motor 60 that body part is fixed in rack 10, and the first transmission component includes edge
10 short transverse of rack extends and the drive lead screw 61 of connection synchronous with the shaft of first motor 60, and drive lead screw 61 wears that be connected on can
By screw-thread fit along the movable crane of 10 short transverse of rack 40 and with crane 40, it is provided with along rack in rack 10
The guide rod 12 that short transverse extends, crane 40 is movable to be socketed on guide rod 12, above-mentioned first motor 60, driving wire
Bar 61 and crane 40 constitute a lead screw transmission mechanism, and profiled sheeting 50 is fixed on crane 40, can print
The position that profiled sheeting 50 moves upwards accurately is controlled in journey.
It is provided with the opening for accommodating hopper 20 on workbench 11, has between the edge and the side wall of hopper 20 of the opening
There is gap, the effect in the gap is the translation space for being supplied to hopper 20 enough, avoids colliding.
It includes the second transmission component and the second drive component to sieve mechanism.Second drive component is installed on workbench 11, the
Two drive components can be a motor；Second transmission component includes eccentric rotor 70, slide bar 74, sliding block 75, resetting apparatus；Slide bar
74 are installed on workbench 11, and the slide bar 74 is parallel to 11 place plane of workbench；Sliding block 75 is installed on 20 side wall of hopper, sliding
Block 75 is socketed on slide bar 74 and is slidably matched with slide bar 74；Eccentric rotor 70 includes driving portion and cam part, driving portion connection
Second drive component, driving portion are installed on the rotary drive output of the second drive component by shaft 71, and cam part is actively
It is connected to an outboard end of hopper side wall 21；Resetting apparatus is mounted on another outside far from cam part installation site on hopper 20
End, the resetting apparatus select spring 73, and spring 73, which is used to provide, makes hopper side wall 21 keep the elastic force abutted with cam part.
The 3D models of workpiece when in use, are divided into several by above-mentioned 3D printer according to a scheduled direction first
Layer, each layer are respectively formed a pattern with outer profile, then drive profiled sheeting 50 to be displaced downwardly to hopper 20 using drive component
Inside makes the gap formed between profiled sheeting 50 and light transmission bottom wall be exactly each layer when workpiece is superimposed molding of thickness, molding
Gap between plate 50 and light transmission bottom wall defines the depth of liquid printing consumables, later, opens curing light source 30, curing light source
30 project the light 31 of respective shapes according to the pattern layer being partitioned into, in the case of illumination, profiled sheeting 50 and light transmission bottom wall 21
Between liquid printing consumables curing molding be corresponding pattern layer, then, using drive component drive profiled sheeting 50 move up one
A distance, the distance moved up are exactly the thickness of each elementary layer when being superimposed molding, the liquid printing consumables 200 in hopper 20
It is flowed between pattern layer printed on profiled sheeting 50 and light transmission bottom wall, utilizes curing light source 30 to irradiate again, liquid is made to beat
Print consumptive material is solidified into the forming unit layer 8 being constantly successively superimposed.After each forming unit layer 8 is cured, the forming unit layer 8
Lower surface meeting and light transmission bottom wall between there are stiction forces, if driven before profiled sheeting 50 moves up in drive component, sieve
Mechanism makes hopper one displacement of translation, so that it may to release stiction force, and since hopper 20 is only to translate, not interfere with
To the Forming Quality of current forming unit layer 8.It is worth noting that, after must being the translation of hopper 20 or resetting, profiled sheeting 50 be
It is moved up, continues the forming operation of next layer unit.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of 3D printer, including rack（10）, hopper for storing liquid printing consumables and bottom wall light transmission（20）, position
In the hopper（20）Top and the profiled sheeting that can be moved up and down（50）And it is located at the hopper（20）The solidification light of lower section
Source（30）, which is characterized in that the 3D printer further includes for driving the hopper（20）What is moved horizontally sieves mechanism.
2. 3D printer according to claim 1, which is characterized in that the mechanism that sieves includes the second drive component and the
Two transmission components.
3. 3D printer according to claim 2, which is characterized in that the rack（10）It is equipped with workbench（11）, institute
State hopper（20）Mounted on the workbench（11）On.
4. 3D printer according to claim 3, which is characterized in that the workbench（11）On be provided with and accommodate the material
Slot（20）Opening, the edge of the opening and the hopper side wall（21）Between have gap.
5. 3D printer according to claim 4, which is characterized in that second transmission component includes mounted on described
Workbench（11）It goes up and is parallel to the workbench（11）The litter of place plane（74）, be set to the hopper side wall（21）And it covers
It is connected on the litter（74）And with the litter（74）The sliding block being slidably matched（75）And eccentric rotor（70）, the bias
Rotor（70）Including cam part and driving portion, the cam part is actively connected to hopper side wall（21）Outboard end, the drive
Dynamic portion connects second drive component.
6. 3D printer according to claim 5, which is characterized in that the hopper side wall（21）Far from the cam part
Outboard end is equipped with resetting apparatus, and the resetting apparatus is elastic element.
7. 3D printer according to claim 5, which is characterized in that the hopper side wall（21）It is abutted with the cam part
Place is equipped with buffer pad（72）, the buffer pad（72）For elastomeric material.
8. 3D printer according to any one of claims 1 to 7, which is characterized in that further include driving the profiled sheeting（50）
The first drive component and the first transmission component moved up and down.
9. 3D printer according to claim 8, which is characterized in that first drive component includes being fixed on rack
（10）On first motor（60）.
10. 3D printer according to claim 9, which is characterized in that first transmission component includes along the rack
（10）Short transverse extend and with the first motor（60）Shaft synchronize connection drive lead screw（61）, be socketed in the biography
Dynamic lead screw（61）Crane that is upper and passing through screw-thread fit（40）And it is set to the rack（10）Above and along the rack（10）
The guide rod that short transverse extends（12）, the crane（40）Actively it is socketed in the guide rod（12）On, the molding
Plate（50）It is fixed on the crane（40）On.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886377.XA CN108724701A (en) | 2018-08-06 | 2018-08-06 | A kind of 3D printer |
| JP2018004137U JP3219608U (en) | 2018-08-06 | 2018-10-25 | 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810886377.XA CN108724701A (en) | 2018-08-06 | 2018-08-06 | A kind of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108724701A true CN108724701A (en) | 2018-11-02 |
Family
ID=63942223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810886377.XA Pending CN108724701A (en) | 2018-08-06 | 2018-08-06 | A kind of 3D printer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3219608U (en) |
| CN (1) | CN108724701A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978515A (en) * | 2019-12-18 | 2020-04-10 | 芜湖市爱三迪电子科技有限公司 | Heating trough for 3D printer |
| CN112743831A (en) * | 2020-12-09 | 2021-05-04 | 安徽工程大学 | Double-material forming workbench assembly for DLP photocuring 3D printing |
| CN112743830A (en) * | 2020-12-09 | 2021-05-04 | 安徽工程大学 | Photocuring 3D printer silo structure |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3708368B1 (en) * | 2019-03-14 | 2022-08-24 | DENTSPLY SIRONA Inc. | Method of operating a stereolithography apparatus for preventing adhesion of a 3d-object to the vat through oscillatory excitations |
| CN114516173B (en) * | 2022-02-25 | 2023-06-30 | 深圳市创想三维科技股份有限公司 | Die taking device and 3D printing equipment |
| CN114919302B (en) * | 2022-06-22 | 2023-12-01 | 陈秀芳 | High-efficient automatic code spraying marking machine |
| CN115122638B (en) * | 2022-06-24 | 2023-10-27 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Regeneration device for 3D printing consumables |
| CN115891148A (en) * | 2022-10-26 | 2023-04-04 | 佛山臻硅科技有限公司 | 3D printing equipment for curing and molding liquid thermosetting material and printing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203994735U (en) * | 2014-08-29 | 2014-12-10 | 广州丽格打印耗材有限公司 | Novel printer |
-
2018
- 2018-08-06 CN CN201810886377.XA patent/CN108724701A/en active Pending
- 2018-10-25 JP JP2018004137U patent/JP3219608U/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203994735U (en) * | 2014-08-29 | 2014-12-10 | 广州丽格打印耗材有限公司 | Novel printer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978515A (en) * | 2019-12-18 | 2020-04-10 | 芜湖市爱三迪电子科技有限公司 | Heating trough for 3D printer |
| CN112743831A (en) * | 2020-12-09 | 2021-05-04 | 安徽工程大学 | Double-material forming workbench assembly for DLP photocuring 3D printing |
| CN112743830A (en) * | 2020-12-09 | 2021-05-04 | 安徽工程大学 | Photocuring 3D printer silo structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3219608U (en) | 2019-01-10 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181102 |
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| RJ01 | Rejection of invention patent application after publication |