CN205674500U - A kind of photocureable rapid shaping machine - Google Patents
A kind of photocureable rapid shaping machine Download PDFInfo
- Publication number
- CN205674500U CN205674500U CN201620610675.2U CN201620610675U CN205674500U CN 205674500 U CN205674500 U CN 205674500U CN 201620610675 U CN201620610675 U CN 201620610675U CN 205674500 U CN205674500 U CN 205674500U
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- powder
- guiding film
- light guiding
- box
- light source
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Abstract
The utility model relates to a kind of photocureable rapid shaping machine, including base, material storage mechanism, Pu Fen mechanism and area array light source, material storage mechanism is movably set on base by screw mandrel drive mechanism, and material storage mechanism includes material storing box, travel(l)ing rest and push pedal；Pu Fen mechanism includes powder box, paving powder support and light guiding film, paving powder support is provided with driving roller, light guiding film is provided with cloth powder plate, cloth powder plate is provided with paving powder mouth, powder box is coated with shading powder by spreading powder mouth in light guiding film, position corresponding with area array light source outside light guiding film is additionally provided with dividing plate, and dividing plate is embedded with light-passing board；Being provided with forming cavity between push pedal and dividing plate, area array light source passes through light guiding film and light-passing board is irradiated on the liquid photosensitive resin in forming cavity and makes its Stereolithography.The utility model uses area array light source to irradiate shaping, and the equal once irradiating of each contoured cross-section is molded, and improves shaping efficiency and product quality.
Description
Technical field
The utility model relates to 3D printer technology field, particularly to a kind of photocureable rapid shaping machine.
Background technology
It is a kind of Quick-forming (Rapid occurring and realizing commercialization in the world the earliest that Stereo Lithography shapes (SLA)
Prototyping, RP) technology is also research a kind of RP technique the most deep, most widely used.Its technique be based on
The photopolymerization principle work of liquid photosensitive resin.This liquid material is in the ultraviolet of certain wavelength (about 355nm) and intensity
Photopolymerization reaction can occur rapidly under the irradiation of light, and molecular weight is increased dramatically, and material also just changes from liquid to solid.In liquid bath
Filling with liquid photocurable resin, laser beam, under deflecting mirror effect, can scan on liquid surface, the track of scanning and laser
Have or not by computer control, the place that spot scan is arrived, liquid just solidification.Current Stereolithography machine uses spot light to pass through
Deflecting mirror scans irradiation on each contoured cross-section, and it is slow that it exists sweep speed, the low problem of shaping efficiency；Further, since point
Light source scanning irradiates and has a timing, thus on each contoured cross-section the fixed-type time of diverse location different, cause solid
Change compact density inconsistent, affect product quality；Further, spot light scanning irradiation can not be suitable for some special case, for example, become
When type cross section includes multiple discrete shaping position, it is impossible to precise forming.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of photocureable rapid shaping machine, and it is adopted
Irradiating shaping with area array light source, the equal once irradiating of each contoured cross-section is molded, and improves shaping efficiency and product quality.
For solving the problems referred to above, the utility model offer techniques below scheme:
A kind of photocureable rapid shaping machine, including base, for depositing material storage mechanism, the Pu Fen mechanism of liquid photosensitive resin
And area array light source, material storage mechanism is movably set on base by screw mandrel drive mechanism, and material storage mechanism includes material storing box, activity
Frame and push pedal, travel(l)ing rest is in transmission connection with screw mandrel drive mechanism, and material storing box and push pedal are respectively arranged at travel(l)ing rest both sides；Paving
Powder mechanism includes powder box, paving powder support and light guiding film, and paving powder support is provided with by the driving roller driving driven by motor, light guiding film winding
In driving on roller, the outside of light guiding film is provided with cloth powder plate, and cloth powder plate is provided with paving powder mouth corresponding with powder box, and powder box is by paving powder mouth
Being coated with shading powder in light guiding film, area array light source is arranged inside light guiding film, corresponding with area array light source outside light guiding film
Position is additionally provided with dividing plate, and dividing plate is embedded with light-passing board；Being provided with forming cavity between push pedal and dividing plate, material storing box is provided with for inciting somebody to action
Liquid photosensitive resin sends into the discharging opening of forming cavity, the liquid that area array light source is irradiated in forming cavity through light guiding film and light-passing board
On photosensitive resin and make its Stereolithography.
Wherein, being additionally provided with powder recovering device outside light guiding film, it is negative that powder recovering device is provided with that twice be arranged in parallel
Pressure pump orifice.
As preferred scheme, light guiding film circulation is set around on driving roller, is positioned at powder box front end and is additionally provided with sucker, cloth powder
Plate is provided with suction powder mouth corresponding with sucker, and sucker is recycled to the shading powder in light guiding film in powder box by inhaling powder mouth.
Further, being provided with upper backup pad and lower supporting plate inside light guiding film, upper backup pad is located at corresponding with cloth powder plate
Position, lower supporting plate is located at the position corresponding with powder recovering device, and area array light source is arranged at upper backup pad and lower support
Between plate.Being additionally provided with the guide rod parallel with inhaling powder mouth on cloth powder plate, sucker moves back and forth along guide rod under driven by servomotor.
Further, material storing box be provided with the first peristaltic pump for liquid photosensitive resin is pumped to forming cavity and be used for by
Liquid photosensitive resin in forming cavity is pumped to the second peristaltic pump of material storing box.Base is provided with the shading matching with forming cavity
Cover, paving powder support be provided with upset be covered on powder box renovate.
Further, driving roller to include a drive roll and three driven vollers, drive roll and driven voller are set in parallel in paving
On powder support, so that light guiding film forms quadrangle on driving roller.Described driven voller adjustable ground is arranged at paving powder support
On so that light guiding film tensioning be set around driving roller on.
Compared with prior art the beneficial effects of the utility model are:
Liquid photosensitive resin, during original state, is installed on storing by photocureable rapid shaping machine described in the utility model
In the material storing box of mechanism, and by screw mandrel drive mechanism, material storage mechanism is shifted to dividing plate one end of paving stock mechanism, material storing box logical from
Liquid photosensitive resin is sent in the forming cavity between push pedal and dividing plate by discharging opening, and shading powder is linearly sprayed by powder box by spreading powder mouth
It is applied in light guiding film, drive driven by motor to drive roller to roll thus drive light guiding film driving rotation on roller, so that powder box is being led
Spraying on light film forms shading surface, and roller strap is dynamic to be turned between area array light source and light-passing board by driving, this shading surface with should
Non-forming pattern on the contoured cross-section of moment Stereolithography is consistent, and the position not being coated with shading powder in light guiding film can be just
Normal printing opacity；During photosensitive resin Stereolithography in forming cavity, area array light source is opened, and area array light source produces planar illumination light source,
This planar illumination light source sequentially through be not coated with the region of shading powder in light guiding film and light-passing board be irradiated in dividing plate and push pedal it
Between liquid photosensitive resin on curing molding；Wherein, screw mandrel drive mechanism drives material storage mechanism step-by-step movement to move, and often completes once
The push pedal rollback 0.01mm of Stereolithography material storage mechanism, material storing box injects liquid photosensitive tree by discharging opening to forming cavity again
Fat, powder box carries out the paving powder operation of next contoured cross-section in light guiding film simultaneously, and so circulation can complete the light of whole product admittedly
Chemical conversion type.Owing to it uses area array light source to irradiate shaping, the equal once irradiating of each contoured cross-section is molded, and improves Stereolithography effect
Rate and product quality.
Brief description
Fig. 1 is perspective view of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
The positional structure schematic diagram of material storage mechanism when Fig. 3 is original state of the present utility model.
The positional structure schematic diagram of material storage mechanism when Fig. 4 is Stereolithography state of the present utility model.
Fig. 5 is the decomposition texture schematic diagram of the utility model material storage mechanism.
Fig. 6 is the decomposition texture schematic diagram of the utility model Pu Fen mechanism.
Description of reference numerals: 1. base；2. material storage mechanism；3. Pu Fen mechanism；4. area array light source；5. screw mandrel drive mechanism；
6. material storing box；7. travel(l)ing rest；8. push pedal；9. discharging opening；10. powder box；11. paving powder supports；12. light guiding film；13. driving rollers；
14. cloth powder plates；15. dividing plates；16. light-passing boards；17. powder recovering devices；18. suckers；19. upper backup pads；Support for 20. times
Plate；21. light shields；22. renovate.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:
With reference to a kind of photocureable rapid shaping machine shown in Fig. 1, including base is the 1st, for depositing the storage of liquid photosensitive resin
Material the 2nd, Pu Fen mechanism 3 of mechanism and area array light source 4, material storage mechanism 2 is movably set on base 1 by screw mandrel drive mechanism 5, storing
Mechanism 2 includes material storing box the 6th, travel(l)ing rest 7 and push pedal 8, and travel(l)ing rest 7 is in transmission connection with screw mandrel drive mechanism 5, material storing box 6 He
Push pedal 8 is respectively arranged at travel(l)ing rest 7 both sides, and screw mandrel drive mechanism 5 includes screw mandrel and driving means, and travel(l)ing rest 7 passes through silk
Stem nut is arranged at screw mandrel bar, and base 1 is additionally provided with the guide rail that coordinate spacing with travel(l)ing rest 7, and driving means drives screw mandrel to turn
Dynamic, screw mandrel coordinates with feed screw nut and drives travel(l)ing rest 7 along guide rail displacement, and screw mandrel drive mechanism 5 drives material storage mechanism 2 to move
There is higher displacement accuracy；Pu Fen mechanism 3 includes that the 10th, powder box spreads powder support 11 and light guiding film 12, paving powder support 11 be provided with by
Driving the driving roller 13 of driven by motor, light guiding film 12 is set around on driving roller 13, in present embodiment, drives roller 13 to include one
Drive roll and three driven vollers, drive roll and driven voller are set in parallel on paving powder support 11, so that light guiding film 12 is driving roller
Forming quadrangle on 13, described driven voller adjustable ground is arranged on paving powder support, so that light guiding film 12 tensioning ground winding
In driving on roller 13, the outside of light guiding film 12 is provided with cloth powder plate 14, and cloth powder plate 14 is provided with paving powder mouth corresponding with powder box 10, powder box
10 are coated with shading powder by spreading powder mouth in light guiding film 12, and powder box 10 often lays a line shading powder, light guiding film 12 by spreading powder mouth
Then to previous row, in order to powder box 10 carries out paving powder operation to next line, needs exist for explanation, and the paving powder position often gone is root
Precalculate according to contoured cross-section and draw, i.e. powder box 10 spreads powder process and is equivalent to carbon dust and prints principle, and area array light source 4 is arranged at
Inside light guiding film 12, position corresponding with area array light source 4 outside light guiding film 12 is additionally provided with dividing plate 15, and dividing plate 15 is embedded with
Light-passing board 16；Being provided with forming cavity between push pedal 8 and dividing plate 15, material storing box 6 is provided with for liquid photosensitive resin is sent into shaping
The discharging opening 9 in chamber, area array light source 4 passes through light guiding film 12 and light-passing board 16 is irradiated on the liquid photosensitive resin in forming cavity and makes
Its Stereolithography.
During original state, liquid photosensitive resin is installed in the material storing box 6 of material storage mechanism 2, and drives machine by screw mandrel
Material storage mechanism 2 is shifted to dividing plate 15 one end of paving stock mechanism by structure 5, and logical the feeding liquid photosensitive resin from discharging opening 9 of material storing box 6 pushes away
In forming cavity between plate 8 and dividing plate 15, shading powder is linearly sprayed at line by line in light guiding film 12 by powder box 10 by spreading powder mouth, drives
Dynamic driven by motor drives roller 13 to roll thus drives light guiding film 12 driving rotation on roller 13, so that powder box 10 is in light guiding film 12
Spraying forms shading surface, and turns between area array light source 4 and light-passing board 16 by driving roller 13 to drive, when this shading surface is with this
Carve the non-forming pattern on the contoured cross-section of Stereolithography consistent, and the position not being coated with shading powder in light guiding film 12 can be just
Normal printing opacity；During photosensitive resin Stereolithography in forming cavity, area array light source 4 is opened, and area array light source 4 produces planar illumination light
Source, this planar illumination light source is sequentially through being not coated with the region of shading powder in light guiding film 12 and light-passing board 16 is irradiated in dividing plate 15
And curing molding on the liquid photosensitive resin between push pedal 8；Wherein, screw mandrel drive mechanism 5 drives material storage mechanism 2 step-by-step movement to move
Dynamic, often complete the push pedal 8 rollback 0.01mm of a Stereolithography material storage mechanism 2, material storing box 6 passes through discharging opening 9 again to shaping
Liquid photosensitive resin is injected in chamber, and powder box 10 carries out the paving powder operation of next contoured cross-section in light guiding film 12 simultaneously, and so circulation is
The Stereolithography of whole product can be completed.Owing to it uses area array light source 4 to irradiate shaping, the equal once irradiating of each contoured cross-section
Shaping, improves Stereolithography efficiency and product quality.
In above-mentioned embodiment, owing to without considering that shading powder recycles problem, therefore light guiding film 12 and shading powder are made
For medical disposable material use, light guiding film 12 can use drum, can be directly sleeved on driving roller 13 on, with drive roller 13 roll and
Launching, making to be finished replacing light guiding film 12 reel, the defect of going of this embodiment is that consumables cost is higher, for this problem
Improved embodiment, is additionally provided with powder recovering device 17 outside light guiding film 12, it is parallel that powder recovering device 17 is provided with twice
The negative-pressure ward mouth arranging, negative-pressure ward mouth is to utilize vavuum pump suction principle to carry out reclaiming by the shading powder in light guiding film 12 again
Utilizing, the negative-pressure ward mouth using twice to be arranged in parallel can make the shading powder in light guiding film 12 absorb fully.
In above-mentioned improved embodiment, still do not take into account the problem that light guiding film 12 reuses, thus it is still
There is higher consumables cost, the further improved embodiment for this problem, light guiding film 12 circulation is set around driving roller
On 13, i.e. light guiding film 12 cycle rotation under driving roller 13 to drive.Wherein, cloth powder plate 14 is additionally provided with lead parallel with inhaling powder mouth
Bar, sucker 18 moves back and forth along guide rod under driven by servomotor, specifically, sucker 18 by spigot nut be arranged at
On the parallel screw rod of guide rod, sucker 18 one end is slidably connected with guide rod simultaneously, and driven by servomotor screw rod rotates, screw rod and spiral shell
Female cooperation makes sucker 18 move along guide rod, after each Stereolithography completes, by sucker 18 line by line by light guiding film
Shading powder on 12 is recycled in powder box 10, is positioned at powder box 10 front end and is additionally provided with sucker 18, and cloth powder plate 14 is provided with and sucker
18 corresponding suction powder mouths, sucker 18 is recycled to the shading powder in light guiding film 12 in powder box 10 by inhaling powder mouth.As another
Embodiment, sucker 18 may be replaced by high pressure valve, uses the mode that high pressure valve is blown by the screening in light guiding film 12
Light powder blows clean, in order to powder box 10 paving next time powder.
In above-mentioned all embodiments, further scheme, it is provided with upper backup pad 19 and lower support inside light guiding film 12
Plate 20, upper backup pad 19 is located at the position corresponding with cloth powder plate 14, and lower supporting plate 20 is located at relative with powder recovering device 17
The position answered, area array light source 4 is arranged between upper backup pad 19 and lower supporting plate 20.Upper backup pad 19 and lower supporting plate 20 be for
The horizontal component keeping light guiding film 12 keeps smooth, so that shading powder can be layed in light guiding film 12 by powder box 10 equably
On, it is to avoid the problem of paving powder uneven thickness, powder recovering device 17 also can be made to reclaim the shading powder in light guiding film 12 fully,
Avoid inhaling the inconsistent problem of the outline line definition that sucks out of powder, for example apart from the near local ratio absorbing more thoroughly, distance
It is not thorough that remote place absorbs.
As further preferred embodiment, material storing box 6 is provided with for liquid photosensitive resin is pumped to forming cavity
First peristaltic pump and for the liquid photosensitive resin in forming cavity is pumped to the second peristaltic pump of material storing box 6, the first peristaltic pump
Liquid photosensitive resin in material storing box 6 is pumped to the forming cavity between push pedal 8 and dividing plate 15 by the discharging opening 9 at its top
In, each pump output is as the criterion to fill up forming cavity, and after Stereolithography completes, the second peristaltic pump will be molded interior unnecessary liquid light
Quick resin is recycled in material storing box 6.Base 1 is provided with the light shield 21 matching with forming cavity, it is to avoid stereolithographic process
In be affected by the external environment, moulding is more aesthetically pleasing, paving powder support 11 be provided with upset be covered on powder box 10 renovate 22, in order to
Operate in adding powder box 10 maintenance etc. to powder box 10.
The above, be only preferred embodiment of the present utility model, not makees technical scope of the present utility model
Go out any restriction, therefore every any trickle modification, equivalent above example made according to technical spirit of the present utility model
Change and modification, in the range of all still falling within the technical solution of the utility model.
Claims (9)
1. a photocureable rapid shaping machine, including base (1), for deposit liquid photosensitive resin material storage mechanism (2), paving powder
Mechanism (3) and area array light source (4), it is characterised in that: material storage mechanism (2) is movably set in base by screw mandrel drive mechanism (5)
(1), on, material storage mechanism (2) includes material storing box (6), travel(l)ing rest (7) and push pedal (8), travel(l)ing rest (7) and screw mandrel drive mechanism
(5) being in transmission connection, material storing box (6) and push pedal (8) are respectively arranged at travel(l)ing rest (7) both sides；Pu Fen mechanism (3) includes powder box
(10), spreading powder support (11) and light guiding film (12), paving powder support (11) is provided with by the driving roller (13) driving driven by motor, guide-lighting
Film (12) is set around in driving roller (13), and the outside of light guiding film (12) is provided with cloth powder plate (14), and cloth powder plate (14) is provided with and powder box
(10) corresponding paving powder mouth, powder box (10) is by paving powder mouth at light guiding film (12) upper coating shading powder, and area array light source (4) is arranged at
Light guiding film (12) inner side, is additionally provided with dividing plate (15), dividing plate in the position corresponding with area array light source (4), light guiding film (12) outside
(15) it is embedded with light-passing board (16) on；Being provided with forming cavity between push pedal (8) and dividing plate (15), material storing box (6) is provided with for inciting somebody to action
Liquid photosensitive resin sends into the discharging opening (9) of forming cavity, and area array light source (4) passes through light guiding film (12) and light-passing board (16) is irradiated in
On liquid photosensitive resin in forming cavity and make its Stereolithography.
2. a kind of photocureable rapid shaping machine according to claim 1, it is characterised in that: light guiding film (12) outside is additionally provided with
Powder recovering device (17), powder recovering device (17) is provided with the negative-pressure ward mouth that twice be arranged in parallel.
3. a kind of photocureable rapid shaping machine according to claim 1 and 2, it is characterised in that: light guiding film (12) circulation around
Being located in driving roller (13), being positioned at powder box (10) front end and be additionally provided with sucker (18), cloth powder plate (14) is provided with and sucker (18)
Corresponding suction powder mouth, the shading powder in light guiding film (12) is recycled in powder box (10) by sucker (18) by inhaling powder mouth.
4. a kind of photocureable rapid shaping machine according to claim 2, it is characterised in that: light guiding film (12) inner side is provided with
Gripper shoe (19) and lower supporting plate (20), upper backup pad (19) is located at the position corresponding with cloth powder plate (14), lower supporting plate
(20) being located at the position corresponding with powder recovering device (17), area array light source (4) is arranged at upper backup pad (19) and lower support
Between plate (20).
5. a kind of photocureable rapid shaping machine according to claim 3, it is characterised in that: be additionally provided with on cloth powder plate (14) with
Inhaling the parallel guide rod of powder mouth, sucker (18) moves back and forth along guide rod under driven by servomotor.
6. a kind of photocureable rapid shaping machine according to claim 1, it is characterised in that: material storing box (6) is provided with for inciting somebody to action
Liquid photosensitive resin is pumped to the first peristaltic pump of forming cavity and for the liquid photosensitive resin in forming cavity is pumped to storing
Second peristaltic pump of case (6).
7. a kind of photocureable rapid shaping machine according to claim 1, it is characterised in that: base (1) is provided with and is molded
The light shield (21) that chamber matches, what paving powder support (11) was provided with that upset is covered on powder box (10) renovates (22).
8. a kind of photocureable rapid shaping machine according to claim 1, it is characterised in that: drive roller (13) to include a master
Dynamic roller and three driven vollers, drive roll and driven voller are set in parallel on paving powder support (11), so that light guiding film (12) is driving
Roller forms quadrangle on (13).
9. a kind of photocureable rapid shaping machine according to claim 8, it is characterised in that: described driven voller adjustable ground sets
It is placed on paving powder support (11), so that light guiding film (12) tensioning ground is set around and drives on roller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620610675.2U CN205674500U (en) | 2016-06-21 | 2016-06-21 | A kind of photocureable rapid shaping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620610675.2U CN205674500U (en) | 2016-06-21 | 2016-06-21 | A kind of photocureable rapid shaping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205674500U true CN205674500U (en) | 2016-11-09 |
Family
ID=57430251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620610675.2U Withdrawn - After Issue CN205674500U (en) | 2016-06-21 | 2016-06-21 | A kind of photocureable rapid shaping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205674500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856577A (en) * | 2016-06-21 | 2016-08-17 | 安徽机电职业技术学院 | Photocuring rapid moulding machine |
-
2016
- 2016-06-21 CN CN201620610675.2U patent/CN205674500U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856577A (en) * | 2016-06-21 | 2016-08-17 | 安徽机电职业技术学院 | Photocuring rapid moulding machine |
| CN105856577B (en) * | 2016-06-21 | 2017-12-26 | 安徽机电职业技术学院 | A kind of photocureable rapid shaping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161109 Effective date of abandoning: 20171226 |