CN109624312A - A kind of line mechanism for stripping - Google Patents
A kind of line mechanism for stripping Download PDFInfo
- Publication number
- CN109624312A CN109624312A CN201910082717.8A CN201910082717A CN109624312A CN 109624312 A CN109624312 A CN 109624312A CN 201910082717 A CN201910082717 A CN 201910082717A CN 109624312 A CN109624312 A CN 109624312A
- Authority
- CN
- China
- Prior art keywords
- stripping
- release film
- line mechanism
- peel groove
- photocuring
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 238000000016 photochemical curing Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 230000008034 disappearance Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000013589 supplement 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
- B29C64/10—Processes of additive manufacturing
- B29C64/188—Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
-
- 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
- B29C64/214—Doctor blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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 discloses a kind of line mechanism for stripping, and set on the bottom of the resin storage tank of photocuring 3D printer, resin trench bottom is equipped with release film, and line mechanism for stripping is set on the outside of release film, for removing release film in a manner of linear scan with photocuring 3D molded part.Using the line mechanism for stripping of above technical scheme, auto-slice is formed using peel groove body, from face, removing is converted to line removing, removing strength can be reduced to nearly the 1/100 of former peel force, it at least may be implemented in this way at following 4 points the utility model has the advantages that (1) peeling force is low, higher peeling rate can be taken.(2) peel force is low, and success rate can be improved, and reduces support strength requirement.(3) very high viscosity resin may be implemented, the printing including paste resin.(4) monitoring vacuum pressure value, which may determine that, remove successfully no, can attempt to remove or generate again if unsuccessfully and remove height up-stripping.Ensure to remove successfully every time.
Description
Technical field
The present invention relates to photocuring 3D printer, in particular to a kind of line mechanism for stripping.
Background technique
Photocuring formula 3D printer is based on Stereolithography principle, is different from FDM machine and uses wire rod, photocuring 3D printing
Machine consumptive material is photosensitive resin, and formed precision is high, and surface effect is good, more smooth than the model surface of PLA material.According to being used
The difference of light source can be subdivided into two kinds of photocuring machines of SLA and DLP.
SLA it using laser irradiation photosensitive resin mode, be similar to FDM, forming process is all to walk track.Laser
The G code that head is generated according to model slice, from point to face again to line, each layer model section of sequential scan.It is irradiated with a laser
Photosensitive resin solidify rapidly.In order to realize high-velocity scanning, laser generates the galvanometer Jing Guo two vertical direction of XY through laser
It successively reflects, then is irradiated to resin surface.Similar machine has Form 1+, and formed precision is high, most high-precision industrial grade light
Solidification machine is all using SLA.
DLP formula photocuring 3D printer speed just much faster because its light source is from projector or LED
Screen.The section of a model is passed through into white light to resin every time, unformed part is black, by means of which every time
A face is formed, speed advantage is obvious, but precision outline is lower than SLA.Its print time, which is solely dependent upon, asks for printer model
Height, and it is unrelated with model quantity and volume.It can realize that small lot quickly produces in this way.
DLP formula 3D printer is divided into upper coin-box type and drop-falling type again, and for drop-falling type, that is, projector in lower section, resin trench bottom is saturating
Bright, inside covers release film or silica gel, lifted to avoid mold curing on slot, on each shaped platform a thickness away from
From.It is general by the way of first rising and dropping again but to sufficiently release and bottom resin can supplement, i.e., if with 0.1mm
Thickness printing, first raises 5mm, then decline 4.9mm.This mode print platform amount of exercise in release action process is big, and 3D is beaten
Print-out rate is slow.And since using face lift-off technology, removing strength is big, the long easy failure of release time is resulted in the need for.
Summary of the invention
The object of the present invention is to provide a kind of line mechanism for stripping.
According to an aspect of the invention, there is provided a kind of line mechanism for stripping, set on the resin storage tank of photocuring 3D printer
Bottom, resin trench bottom is equipped with release film, and release film has elasticity, and micro deformation and outside can occur under external force
Power restores to the original state after disappearing, and photocuring 3D molded part forms on the inside of release film, forms lift on posterior photocuring 3D molded part every time
The distance of one thickness, line mechanism for stripping is set on the outside of release film, for making release film in a manner of linear scan and photocuring
3D molded part is removed.
Specifically, line mechanism for stripping is moved to the other end by release film one end.
Preferably, line mechanism for stripping includes the peel groove that a top has opening, removing notch and release film outside
It mutually contacts and is tightly connected, peel groove is connected with a vacuum pump by pipeline, when vacuum pump work inside extraction peel groove
Air and negative pressure state is formed in peel groove, under the action of negative pressure, release film enters inside peel groove, so with its inside
Photocuring 3D molded part be detached from.
Specifically, peel groove is connected with translational drive mechanism, and translational drive mechanism drives peel groove by release film one end
It is translated back and forth to the other end, in translation motion, removing notch and release film outer surface maintain sealing state.
Preferably, peel groove translates the primary time by release film one end to the other end as 1s-2s.
Preferably, peel groove is additionally provided with the vacuum sensor for detecting its internal vacuum pressure value, passes through monitoring
Vacuum pressure value can judge that release film stripping success is no, attempt to remove or generate removing height auxiliary again if failure
Removing.
Preferably, translational drive mechanism is lead screw motor component.
Using the line mechanism for stripping of above technical scheme, auto-slice is formed using peel groove body, removing is converted to from face
Line removing, removing strength can be reduced to nearly the 1/100 of former peel force, at least may be implemented in this way at following 4 points beneficial to effect
Fruit:
(1) peeling force is low, can take higher peeling rate.The face removing single time that current market uses is 10s-
15s etc..The peeling rate of single 1s-2s may be implemented using line lift-off technology.The single layer print time can reach every layer of 3s, speed
Degree is up to 120mm/h.
(2) peel force is low, and success rate can be improved, and reduces support strength requirement.
(3) resin velocity filling may be implemented in auto-slice incision, and release may be implemented striking off for resin, pole may be implemented
High viscosity resins, the printing including paste resin.
(4) removing unsuccessfully will lead to vacuum degree decline, monitoring vacuum pressure value may determine that remove it is successfully no, if unsuccessfully
It can then attempt to remove or generate again removing height up-stripping.Ensure to remove successfully every time.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the line mechanism for stripping of one embodiment of the present invention.
Fig. 2 for Fig. 1 institute timberline mechanism for stripping structure schematic diagram.
Fig. 3 for Fig. 1 institute timberline mechanism for stripping composed structure schematic diagram.
Fig. 4 for Fig. 1 institute timberline mechanism for stripping the schematic diagram of the section structure.
Fig. 5 is the enlarged drawing of part shown in A in Fig. 4.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1 to Fig. 5 schematically shows a kind of line mechanism for stripping of embodiment according to the present invention.As shown,
The device is set to the bottom of the resin storage tank 1 of photocuring 3D printer.
Wherein, 1 bottom of resin storage tank is equipped with release film 2.
Release film 2 has elasticity, and micro deformation can occur under external force and restore to the original state after external force disappearance.
Photocuring 3D molded part 3 forms on the inside of release film 2, forms lift a layer on posterior photocuring 3D molded part 3 every time
Thick distance.
Line mechanism for stripping is set to 2 outside of release film, for forming release film 2 in a manner of linear scan with photocuring 3D
Part 3 is removed.
Specifically, line mechanism for stripping is moved to the other end by 2 one end of release film.
In the present embodiment, line mechanism for stripping includes the peel groove 4 that a top has opening.
4 oral area of peel groove is mutually contacted and is tightly connected with 2 outside of release film.
Peel groove 4 is connected with a vacuum pump (not shown) by pipeline.
It extracts the air inside peel groove 4 when vacuum pump work out and forms negative pressure state in peel groove 4.
Under the action of negative pressure, release film 2 enters inside peel groove 3, and inside forms the recess B of arc.
The front end of recess B is the stripper wire of release film 2 Yu photocuring 3D molded part 3.
Peel groove 4 is connected with translational drive mechanism.
In the present embodiment, translational drive mechanism is lead screw motor component 5.
Lead screw motor component 5 drives peel groove 4 to be translated back and forth by 2 one end of release film to the other end, in translation motion, stripping
Sealing state is maintained from 4 oral area of slot and 2 outer surface of release film.
Preferably, peel groove 4 translates the primary time by 2 one end of release film to the other end as 1s-2s.
In other some embodiments, peel groove 2 is additionally provided with the vacuum degree for detecting its internal vacuum pressure value
Sensor can judge that the success of release film stripping is no by monitoring vacuum pressure value, attempt to remove again if failure or
Generate removing height up-stripping.
Using the line mechanism for stripping of above technical scheme, auto-slice is formed using peel groove body, removing is converted to from face
Line removing, removing strength can be reduced to nearly the 1/100 of former peel force, at least may be implemented in this way at following 4 points beneficial to effect
Fruit:
(1) peeling force is low, can take higher peeling rate.The face removing single time that current market uses is 10s-
15s etc..The peeling rate of single 1s-2s may be implemented using line lift-off technology.The single layer print time can reach every layer of 3s, speed
Degree is up to 120mm/h.
(2) peel force is low, and success rate can be improved, and reduces support strength requirement.
(3) resin velocity filling may be implemented in auto-slice incision, and release may be implemented striking off for resin, pole may be implemented
High viscosity resins, the printing including paste resin.
(4) removing unsuccessfully will lead to vacuum degree decline, monitoring vacuum pressure value may determine that remove it is successfully no, if unsuccessfully
It can then attempt to remove or generate again removing height up-stripping.Ensure to remove successfully every time.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (7)
1. a kind of line mechanism for stripping, which is characterized in that set on the bottom of the resin storage tank of photocuring 3D printer, the resin storage tank bottom
Portion be equipped with release film, the release film have elasticity, can occur under external force micro deformation and external force disappearance after it is extensive
Shape is restored, the molding on the inside of the release film of photocuring 3D molded part lifts one on the photocuring 3D molded part after molding every time
The distance of a thickness, the line mechanism for stripping is set on the outside of the release film, for making the release film with the side of linear scan
Formula is removed with the photocuring 3D molded part.
2. line mechanism for stripping according to claim 1, which is characterized in that the line mechanism for stripping is by described release film one end
It is moved to the other end.
3. line mechanism for stripping according to claim 1, which is characterized in that the line mechanism for stripping includes that a top has
Mutually contact and be tightly connected on the outside of the peel groove of opening, the removing notch and the release film, the peel groove with one
Vacuum pump is connected by pipeline, and when vacuum pump work extracts the air inside the peel groove out and in the peel groove
Negative pressure state is formed, under the action of negative pressure, the release film enters inside the peel groove, and then solid with the light on the inside of it
Change 3D molded part to be detached from.
4. line mechanism for stripping according to claim 3, which is characterized in that the peel groove is connected with translational drive mechanism
It connects, the translational drive mechanism drives the peel groove to be translated back and forth by described release film one end to the other end, in translation motion
In, the removing notch and the release film outer surface maintain sealing state.
5. line mechanism for stripping according to claim 4, which is characterized in that the peel groove is by described release film one end to another
One end translates the primary time as 1s-2s.
6. line mechanism for stripping according to claim 3, which is characterized in that the peel groove is additionally provided with for detecting inside it
Vacuum pressure value vacuum sensor, can judge that the release film stripping success is no by monitoring vacuum pressure value, such as
Fruit failure is then attempted to remove or generate again removing height up-stripping.
7. line mechanism for stripping according to claim 4, which is characterized in that the translational drive mechanism is lead screw motor group
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910082717.8A CN109624312B (en) | 2019-01-28 | 2019-01-28 | Wire stripping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910082717.8A CN109624312B (en) | 2019-01-28 | 2019-01-28 | Wire stripping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624312A true CN109624312A (en) | 2019-04-16 |
| CN109624312B CN109624312B (en) | 2024-08-16 |
Family
ID=66064056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910082717.8A Active CN109624312B (en) | 2019-01-28 | 2019-01-28 | Wire stripping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109624312B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497733A (en) * | 2021-02-07 | 2021-03-16 | 源秩科技（上海）有限公司 | Photosensitive material pulse release method and device |
| CN113386345A (en) * | 2020-03-13 | 2021-09-14 | 塑成科技（北京）有限责任公司 | 3D printing system and 3D printing method |
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| CN205097561U (en) * | 2015-11-18 | 2016-03-23 | 宁波市鄞州智造数字科技有限公司 | Resin groove for DLP (Digital light processing) photocuring 3D printing machine |
| CN205112407U (en) * | 2015-09-29 | 2016-03-30 | 许冬 | Photocuring 3D printer is gradually from passive stripping off device of formula |
| CN106003706A (en) * | 2014-10-28 | 2016-10-12 | 全谱激光器有限公司 | Elease liner/layer, system and method of using the same with additive manufacturing |
| CN206605790U (en) * | 2017-03-24 | 2017-11-03 | 东莞市兴茂橡塑科技有限公司 | A kind of photocuring 3D printing mechanism for stripping |
| CN206690538U (en) * | 2017-05-22 | 2017-12-01 | 东莞理工学院 | More material photocuring 3D printers |
| DE102017003662A1 (en) * | 2017-04-13 | 2018-10-18 | Voxeljet Ag | Coating device with slide and method for the production of three-dimensional components |
| CN108748980A (en) * | 2018-08-28 | 2018-11-06 | 宁波市石生科技有限公司 | Release film for photocuring 3D printing equipment |
| CN209492176U (en) * | 2019-01-28 | 2019-10-15 | 厦门艾斯美客科技有限公司 | A kind of line mechanism for stripping |
-
2019
- 2019-01-28 CN CN201910082717.8A patent/CN109624312B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003706A (en) * | 2014-10-28 | 2016-10-12 | 全谱激光器有限公司 | Elease liner/layer, system and method of using the same with additive manufacturing |
| CN105150541A (en) * | 2015-09-29 | 2015-12-16 | 许冬 | Gradually-peeling type passive peeling device for photocuring 3D printer |
| CN205112407U (en) * | 2015-09-29 | 2016-03-30 | 许冬 | Photocuring 3D printer is gradually from passive stripping off device of formula |
| CN205097561U (en) * | 2015-11-18 | 2016-03-23 | 宁波市鄞州智造数字科技有限公司 | Resin groove for DLP (Digital light processing) photocuring 3D printing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113386345A (en) * | 2020-03-13 | 2021-09-14 | 塑成科技（北京）有限责任公司 | 3D printing system and 3D printing method |
| CN112497733A (en) * | 2021-02-07 | 2021-03-16 | 源秩科技（上海）有限公司 | Photosensitive material pulse release method and device |
| CN112497733B (en) * | 2021-02-07 | 2021-06-25 | 源秩科技（上海）有限公司 | Photosensitive material pulse release method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109624312B (en) | 2024-08-16 |
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