CN201769320U - Negative-pressure scraping device of photosensitive curing forming machine - Google Patents
Negative-pressure scraping device of photosensitive curing forming machine Download PDFInfo
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- CN201769320U CN201769320U CN2010202558363U CN201020255836U CN201769320U CN 201769320 U CN201769320 U CN 201769320U CN 2010202558363 U CN2010202558363 U CN 2010202558363U CN 201020255836 U CN201020255836 U CN 201020255836U CN 201769320 U CN201769320 U CN 201769320U
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Abstract
The utility model discloses a negative-pressure scraping device of a photosensitive curing forming machine, which comprises a positive-pressure gas source, negative-pressure equipment and a scraping device, wherein the scraping device is provided with a cavity (5); the negative-pressure equipment comprises an air inlet pipe (1), a spray nozzle (2), an air outlet pipe (3) and an air suction pipe (4); the air inlet pipe (1), the spray nozzle (2) and the air outlet pipe (3) are sequentially connected; one end of the air suction pipe (4) is vertically connected with the air outlet pipe (3), and the other end of the air suction pipe (4) is connected with the cavity (5); and the positive-pressure gas source is connected with the air inlet pipe (1). The utility model has the advantage of simple, reasonable and compact structure, low cost, high operating efficiency and high finished product ratio of manufactured products, and overcomes multiple defects in the prior art.
Description
Technical field
The utility model relates to photocureable rapid shaping machine field, particularly, relates to photo-curing make-up machine negative pressure and wipes device off.
Background technology
Rapid shaping technique is a kind of based on material principle of stacking data that CAD 3D mathematical model slicing delamination is obtained successively, by the special equipment manufacturing technology of stack shaping successively.The photo-curing rapid shaping is that ultraviolet light beam forms focal beam spot through beam condenser and light-beam scanner at the resin liquid level, thereby the sensitization of resin liquid level is solidified, after workpiece solidifies one deck, the work blade layer thickness that descends, application system is coated with the last layer resin with liquid again on the surface of cured layer then, carry out illumination curing again, make whole work-piece so repeatedly at last.
Because the making of workpiece is vertically to be displaced downwardly to down one deck to finish successively accumulation formation, it is very important to keep cured resin liquid level quality, and it directly influences the dimensional accuracy of shaping workpiece in vertical direction, and deviation seriously can cause whole work-piece to be scrapped.
But traditional application system makes solidified surface shortage resin owing to can't carry abundant resin, causes the resurfacing process to lose efficacy.
In order to address the above problem, common technology adopts following two kinds of technology modes usually: a kind of is to make supporting plate adopt the working method of dive, rise and wait, another kind is to utilize the negative-pressure adsorption device, in strickle inside one cavity is set, the mode by negative-pressure adsorption makes the photosensitive resin that has certain altitude in cavity.
It mainly is to utilize the levelling of liquid self that supporting plate adopts the working method of dive, rise and wait, but the motion process of supporting plate is consuming time more, service working time is longer, cause make efficiency to reduce, and when lift height is very little, the strickle edge is easy to run into the making layer that has solidified, thereby damages workpiece, and the product success rate is reduced.
The negative-pressure adsorption device is owing to its use is that the miniature diaphragm vavuum pump directly provides negative pressure, and by voltage regulating module control negative pressure, its supporting cost is than higher.
The utility model content
The purpose of this utility model is, at the problems referred to above, proposes photo-curing make-up machine negative pressure and wipes device off, and is simple with implementation structure, cost is low, high efficiency, advantage that the product yield rate is high.
For achieving the above object, the technical solution adopted in the utility model is:
Photo-curing make-up machine negative pressure is wipeed device off, comprises malleation source of the gas, negative pressure equipment, strickle, and described strickle has cavity,
Described negative pressure equipment comprises air inlet pipe, nozzle, escape pipe, air intake duct, and described air inlet pipe, nozzle, escape pipe are continuous in proper order, and an end of described air intake duct is connected with escape pipe is vertical, and the other end links to each other with cavity, and described malleation source of the gas links to each other with air inlet pipe.
During the work of this device, can produce negative pressure in the cavity and draw a certain amount of photosensitive resin, the photosensitive resin that stores by cavity replenishes the part that caves in, and can effectively improve photo-curing resurfacing effect.
Further, described strickle and photosensitive resin liquid level have the spacing of 0.2-0.4mm, so be soft the contact between scraper plate and the photosensitive resin liquid level, can not cause the damage on molded surface, avoid doing the failure of part.
Further, described malleation source of the gas is air compressor machine (small-sized air compressor or with joining air compressor machine), reduces equipment operating cost.
Further, described air intake duct is provided with liquid storage box, is used to store photosensitive resin.
Further, described strickle is provided with the perspective window, can be used for observing the liquid level of resin in the strickle.
Operation principle: the air inlet pipe that photo-curing make-up machine negative pressure is wipeed device off and malleation source of the gas (air compressor machine or with joining air compressor machine) are connected, the high-speed gas that the malleation source of the gas produces sprays at a high speed by air inlet pipe, nozzle, escape pipe, entrainment mobile in the generation of the connector place of air intake duct and escape pipe, under the effect of entrainmenting, make that the air in the air intake duct is constantly taken away, pressure in the air intake duct is reduced to below the atmospheric pressure, produce negative pressure, further cause reaching in the cavity negative pressure state, the mode by negative-pressure adsorption makes the photosensitive resin that has certain altitude in cavity.
It is simple, reasonable, compact that the quick curing molding machine negative pressure of the utility model is wipeed apparatus structure off, mainly has following several respects advantage compared with prior art:
1. low-cost, do not need to use higher miniature diaphragm vavuum pump of supporting cost and pressure regulation mould, this malleation source of the gas can adopt small-sized air compressor or with joining air compressor machine, reduce equipment operating cost.
2. high efficiency, service working time is short.
3. high-quality, strickle and liquid level have the spacing of 0.2-0.4mm, so be soft the contact between scraper plate and the photosensitive resin liquid level, can not damage workpiece, when even lift height is very little, the making layer that has solidified can not run in the strickle edge, and the product success rate is improved greatly.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the negative pressure equipment structural representation that the utility model photo-curing make-up machine negative pressure is wipeed device off;
Fig. 2 is the strickle structural representation that the utility model photo-curing make-up machine negative pressure is wipeed device off;
Fig. 3 is the user mode schematic diagram that the utility model photo-curing make-up machine negative pressure is wipeed device off;
In conjunction with the accompanying drawings, Reference numeral is as follows among the utility model embodiment:
The 1-air inlet pipe; The 2-nozzle; The 3-escape pipe; The 4-air intake duct; The 5-cavity; The 6-liquid storage box; 7-controls computer; The 8-servomotor; The 9-carriage; 10-stainless steel resin storage tank; The 11-workpiece; The 12-photosensitive resin.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
Embodiment one
Fig. 1-2 is an embodiment schematic diagram of the present utility model, photo-curing make-up machine negative pressure is wipeed device off as seen from the figure, comprise malleation source of the gas, negative pressure equipment, strickle, described strickle has cavity 5, negative pressure equipment comprises air inlet pipe 1, nozzle 2, escape pipe 3, air intake duct 4, and described air inlet pipe 1, nozzle 2, escape pipe 3 orders link to each other an end of air intake duct 4 and 3 vertical connections of escape pipe, the other end links to each other with cavity 5, and described malleation source of the gas links to each other with air inlet pipe 1.The malleation source of the gas is a small-sized air compressor, reduces equipment operating cost.
During device work, the cavity 5 interior negative pressure that can produce are drawn certain photosensitive resin, and the photosensitive resin that stores by cavity 5 replenishes the part that caves in, and can effectively improve photo-curing resurfacing effect.
Strickle and photosensitive resin liquid level have the spacing of 0.3mm, so be soft the contact between scraper plate and the photosensitive resin liquid level, can not cause the damage on molded surface, avoid doing the failure of part.Air intake duct 4 is provided with liquid storage box 6, is used to store photosensitive resin.Strickle is provided with the perspective window, can be used for observing the liquid level of resin in the strickle.
Operation principle: the air inlet pipe that photo-curing make-up machine negative pressure is wipeed device off and malleation source of the gas (air compressor machine or with joining air compressor machine) are connected, the high-speed gas that the malleation source of the gas produces is by air inlet pipe 1, nozzle 2, escape pipe 3 ejection at a high speed, entrainment mobile in the air intake duct 4 and the connector place generation of escape pipe 3, under the effect of entrainmenting, make the air in the air intake duct 4 constantly be sucked away, pressure in the air intake duct 4 is reduced to below the atmospheric pressure, produce negative pressure, further cause reaching negative pressure state in the cavity 5, the mode by negative-pressure adsorption makes the photosensitive resin that has certain altitude in cavity 5.
Fig. 3 is the user mode schematic diagram that utility model photo-curing make-up machine negative pressure is wipeed device off, and by as seen: utility model photo-curing make-up machine comprises control computer 7, servomotor 8, carriage 9, stainless steel resin storage tank 10, photo-curing make-up machine negative pressure is wipeed device off, workpiece 11, photosensitive resin 12.
Before workpiece 11 is made, earlier photosensitive resin 12 will be filled in the stainless steel resin storage tank 10, during work after one deck resin solidification is finished, under the control of computer 7, servomotor 8 begins to rotate, drive carriage 9 and workpiece 11 bed thickness that in stainless steel resin storage tank 10, descends simultaneously by machine driving, just formed the liquid resin of a bed thickness this moment between cured layer and the liquid level.Utilize the malleation source of the gas of existing air compressor machine to form negative pressure through negative pressure equipment, because the viscosity and the capillarity of resin, add in the strickle chamber certain negative pressure is arranged, make the photosensitive resin 12 that has certain altitude in strickle 7 internal cavities, and between strickle and liquid level, form the very thin resin molding of one deck.
Strickle is wipeed action by the drive of servomotor 8 off to the resin liquid level, and when depression appearred in liquid level, resin began to fall in the strickle cavity 5, and the resin sunk part is effectively applied.Owing to provide stable negative pressure state, so resin height should be kept certain height in the strickle, when resin in the strickle fell, its inner space increased, and it is big that negative pressure becomes, and made resin form the covering action.We carry out Real Time Observation by the perspective window whole action and resin height.
Embodiment two
Photo-curing make-up machine negative pressure is wipeed device off, comprises malleation source of the gas, negative pressure equipment, strickle, and described strickle has cavity 5,
Negative pressure equipment comprises air inlet pipe 1, nozzle 2, escape pipe 3, air intake duct 4, described air inlet pipe 1, nozzle 2, escape pipe 3 orders link to each other, one end of described air intake duct 4 and 3 vertical connections of escape pipe, the other end links to each other with cavity 5, and described malleation source of the gas links to each other with air inlet pipe 1.
During device work, the cavity 5 interior negative pressure that can produce are drawn certain photosensitive resin, and the photosensitive resin that stores by cavity 5 replenishes the part that caves in, and can effectively improve photo-curing resurfacing effect.Strickle and liquid level have the spacing of 0.2mm, so be soft the contact between scraper plate and the photosensitive resin liquid level, can not cause the damage on molded surface, avoid doing the failure of part.Described malleation source of the gas reduces equipment operating cost for joining air compressor machine.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. photo-curing make-up machine negative pressure is wipeed device off, it is characterized in that, comprises malleation source of the gas, negative pressure equipment, strickle,
Described strickle has cavity (5),
Described negative pressure equipment comprises air inlet pipe (1), nozzle (2), escape pipe (3), air intake duct (4), described air inlet pipe (1), nozzle (2), escape pipe (3) order link to each other, one end of described air intake duct (4) and vertical connection of escape pipe (3), the other end links to each other with cavity (5), and described malleation source of the gas links to each other with air inlet pipe (1).
2. photo-curing make-up machine negative pressure according to claim 1 is wipeed device off, it is characterized in that described strickle and photosensitive resin liquid level have the spacing of 0.2-0.4mm.
3. photo-curing make-up machine negative pressure according to claim 1 is wipeed device off, it is characterized in that described malleation source of the gas is an air compressor machine.
4. photo-curing make-up machine negative pressure according to claim 1 is wipeed device off, it is characterized in that described air intake duct (4) is provided with liquid storage box (6).
5. photo-curing make-up machine negative pressure according to claim 1 and 2 is wipeed device off, it is characterized in that described strickle is provided with the perspective window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202558363U CN201769320U (en) | 2010-07-09 | 2010-07-09 | Negative-pressure scraping device of photosensitive curing forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202558363U CN201769320U (en) | 2010-07-09 | 2010-07-09 | Negative-pressure scraping device of photosensitive curing forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201769320U true CN201769320U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202558363U Expired - Lifetime CN201769320U (en) | 2010-07-09 | 2010-07-09 | Negative-pressure scraping device of photosensitive curing forming machine |
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| Country | Link |
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| CN (1) | CN201769320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310509A (en) * | 2010-07-09 | 2012-01-11 | 无锡易维模型设计制造有限公司 | Negative pressure scraping device for photosensitive curing forming machine |
-
2010
- 2010-07-09 CN CN2010202558363U patent/CN201769320U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310509A (en) * | 2010-07-09 | 2012-01-11 | 无锡易维模型设计制造有限公司 | Negative pressure scraping device for photosensitive curing forming machine |
| CN102310509B (en) * | 2010-07-09 | 2015-02-25 | 无锡易维模型设计制造有限公司 | Negative pressure scraping device for photosensitive curing forming machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |