CN103507239A - Conformal cooling apparatus based on laser selective molding technology - Google Patents
Conformal cooling apparatus based on laser selective molding technology Download PDFInfo
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- CN103507239A CN103507239A CN201310400587.0A CN201310400587A CN103507239A CN 103507239 A CN103507239 A CN 103507239A CN 201310400587 A CN201310400587 A CN 201310400587A CN 103507239 A CN103507239 A CN 103507239A
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- cooling
- wall
- mould
- laser selective
- mould lobe
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
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Abstract
A provided conformal cooling apparatus based on a laser selective molding technology comprises one or more successively-connected cooling mold groups, each cooling mold group comprises two mold sections which are fastened along the radial direction for forming of a tubular cooling cavity; and the interior of each mold section is a hollow liquid cooling cavity. According to the provided conformal cooling apparatus based on the laser selective molding technology, the mold sections can be molded in one time by using metal powder and utilizing the laser selective molding technology, so that the cooling apparatus is not influenced by the appearances of macroscopic components, and conformal cooling can be realized. The apparatus is high in cooling efficiency and uniform in cooling effect, overcomes the problems that cooling apparatuses manufactured by conventional technologies are bad in cooling effect and low in yield, and can furthest give the play to the advantage of the laser selective molding technology and improve economical benefit.
Description
Technical field
The present invention relates to a kind of cooling structure, particularly a kind of conformal cooling device based on laser selective forming technique.
Background technology
In injection mold, cooling system Shi Qi core, has directly determined production efficiency and the plastic part quality of injection moulding.Traditional cooling duct is straight line circular hole passage, and it adopts drilling machine Drilling operation to form, and the cooling fluid passing into by adjusting realizes cooling effect, but the cooling uniformity and cooling effectiveness are lower, can not practical requirement.These defects are because the immature of conventional fabrication processes causes to a great extent.
At present, 3D printing technique, the especially develop rapidly of laser selective forming technique, it has the advantages such as high, the one-shot forming of processing controllability, has made up well the deficiency of conventional fabrication processes.Yet, also do not have at present a kind of structure of cooling device can bring into play to greatest extent the advantage of laser selective forming technique.
Therefore, prior art is further improved.
Summary of the invention
In view of this, be necessary for problems of the prior art, propose cooling structure that a kind of applicable employing laser selective forming technique is manufactured, more rational, improve cooling effectiveness, reduce the trend that causes percent defective to improve due to cooling deficiency.For achieving the above object, the present invention utilize selective laser melting technology can one-shot forming compared with the advantage of labyrinth, designed a kind of conformal cooling device based on laser selective forming technique.
The present invention adopts following scheme:
A conformal cooling device for laser selective forming technique, comprises one or more cooling modules that connect successively, and described each cooling module comprises two mould lobes, and described two mould lobes radially fasten and form a tubulose cooling chamber; Described mould lobe inside is the liquid cooling chamber of hollow.
Described mould lobe has the first fastening wall and second on same plane or curved surface spaced apart and fastens wall, first fastens between the adjacent side edge that wall and second fastens wall and is connected with madial wall, first fasten wall and second fasten wall mutually away from being connected with lateral wall between Ce edge; Described lateral wall, madial wall, first fasten wall and the second fastening wall surrounds described liquid cooling chamber; It is relative respectively with the second fastening wall that first of two mould lobes in each cooling module fasten wall, radially fastens and form described cooling chamber, and the madial wall of two mould lobes is the inwall of cooling chamber, and extend with cooling chamber in the liquid cooling chamber of mould lobe inside.
Two end faces of described mould lobe are respectively equipped with a water inlet and a delivery port, and when described a plurality of cooling modules connect successively, the delivery port of the mould lobe of adjacent cooling module is connected with water inlet.
In mould lobe, described madial wall is provided with a plurality of convex tendons that extend vertically on liquid cooling Qiang side.
In mould lobe, described lateral wall is provided with a plurality of convex tendons that extend vertically on liquid cooling Qiang side.
Described the first fastening wall and second fastens wall and mutually away from Ce edge, is provided with a plurality of hanging platforms, and described a plurality of hanging platforms are along the axially-aligned of mould lobe, and hanging platform is provided with fixing hole; When two mould lobes in cooling module fasten mutually, the hanging platform of two mould lobes is bolted.
Described water inlet has a flange, and the external diameter of described flange is consistent with the internal diameter of delivery port; When the mould lobe of adjacent cooling module connects, wherein the flange of Yi Moban water inlet is inserted in the delivery port of another mould lobe.
The water inlet of mould lobe and the junction of delivery port of adjacent cooling module are provided with sealing ring.
A kind of conformal cooling device based on laser selective forming technique provided by the invention, each mould lobe can utilize laser selective forming technique to use metal dust one-shot forming, so cooling device is not subject to the impact of macroscopical External Shape, can realize conformal cooling.This structure cooling effectiveness is high, cooling effect is even, has overcome the cooling device cooling effect that traditional handicraft manufactures poor, and the problem that yield rate is low can be brought into play the advantage of laser selective forming technique to greatest extent, has improved economic benefit.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of a plurality of mould lobes of the embodiment of the present invention.
Fig. 3 is the interior wall construction schematic diagram of the first mould lobe of the embodiment of the present invention.
Fig. 4 is the external structure schematic diagram of the mould lobe of the embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is described in detail.
As shown in Figure 1, a kind of conformal cooling device based on laser selective forming technique that the embodiment of the present invention provides, comprises cooling module the 2, the 3rd cooling module 3 of the first cooling module 1, second and the 4th cooling module 4 that connect successively.Wherein, each cooling module is comprised of two mould lobes, and described two mould lobes radially fasten and form a tubulose cooling chamber 5, for placing part to be cooled.Meanwhile, the liquid cooling chamber that the inside of described mould lobe is hollow, for passing into cooling fluid, plays cooling effect.
Particularly, the first mould lobe 11, the second mould lobe 21 and the 3rd mould lobe 31 as shown in Figure 2, be respectively the mould lobe that is positioned at outside in the first cooling module 2 of cooling module 1, second shown in Fig. 1 and the 3rd cooling module 3.The first mould lobe 11 of take is below specifically described as example.As shown in Figures 2 to 4, described the first mould lobe 11 has the first fastening wall 111 and the second fastening wall 112 on same plane spaced apart.Wherein, first fasten between the adjacent side edge that wall 111 and second fastens wall 112, be connected with madial wall 113, the first fasten walls 111 and second fasten wall 112 mutually away from being connected with lateral wall 114 between Ce edge.Described madial wall 113 and lateral wall 114 all fasten a lateral projections of wall 112 to the first fastening wall 111 and second, make madial wall 113 form a semi-cylindrical groove, and described groove extends axially along the first mould lobe 11.In the first cooling module 1, the structure of another mould lobe is identical with the first mould lobe 11, when the first cooling module 1 is installed, it is relative respectively with the second fastening wall 112 that first of two mould lobes fasten wall 111, the madial wall 113 that radially fastens 5, two mould lobes of formation one columniform cooling chamber is the inwall of cooling chamber 5.
Further, in the first mould lobe 11, described the first fastening wall 111 and second fastens wall 112 and mutually away from Ce edge, is provided with a plurality of hanging platforms 115, and described a plurality of hanging platforms 115 are axially arranged in order along the first mould lobe 11, and hanging platform 115 is provided with fixing hole.As shown in Figure 1, the hanging platform shape in same cooling module on two mould lobes and the coupling mutually that distributes, when two mould lobes in cooling module fasten mutually, the hanging platform of two mould lobes is bolted, and two mould lobes are radially locked mutually.
The bearing of trend that it should be noted that cooling chamber 5 in the present invention can, with the change in shape of part to be cooled, be not limited to the linear structure shown in the first cooling module 1.The second cooling module 2 of take is example, and first in the second mould lobe 21 fastens wall 211 and the second fastening wall 212 is spaced apart on same curved surface, and described curved surface is through the axis of cooling chamber 5; Another mould lobe shape and the second mould lobe 21 of the second cooling module 2 match, and after two mould lobes are fastened, can form one and be 90 ° of crooked tubulose cooling chambers 5.In addition, in mould lobe, the shape of madial wall is also not limited to the semicircle curved surface shown in the present embodiment, the shape of madial wall can change design according to the outer table skeleton of part to be cooled, the everywhere of madial wall is approached as far as possible, to improve cooling effectiveness with part outer surface to be cooled.
As shown in Figure 3, in the first mould lobe 11, described lateral wall 114, madial wall 113, first fasten wall 111 and the second fastening wall 112 surrounds a liquid cooling chamber 6, and extend with cooling chamber 5 in described liquid cooling chamber 6.Described madial wall 113 is provided with a plurality of convex tendons 116 that extend vertically on the side in liquid cooling chamber 6; Described lateral wall 114 is also provided with a plurality of convex tendons 116 that extend vertically on the side in liquid cooling chamber 6.Described convex tendon 116 is for increasing the contact area of mould lobe and cooling fluid, to improve the cooling effectiveness of mould lobe.
As shown in Figure 4, two end faces of mould lobe are respectively equipped with a water inlet 7 and a delivery port 8, and when a plurality of cooling modules connect successively, delivery port 7 and the water inlet 8 of the mould lobe of adjacent cooling module interconnect, and the liquid cooling chamber 6 of a plurality of cooling modules is communicated as one.
As improvement, described water inlet 7 places have a flange, and the external diameter of described flange is consistent with the internal diameter of delivery port 8; When the mould lobe of adjacent cooling module connects, wherein the flange at water inlet 7 places of a mould lobe is inserted in the delivery port 8 of another mould lobe.Further, can sealing ring be set in the water inlet 7 of mould lobe and the junction of delivery port 8 of adjacent cooling module, to strengthen the sealing of junction.
Concrete installation method when the embodiment of the present invention is used is as follows:
S1, the cooling module of selecting cooling chamber inner wall shape to match according to the appearance and size of part to be cooled, and according to the structure trend of part to be cooled, choose a plurality of cooling module with corresponding bearing of trend.
When S2, first group of cooling module are installed, respectively two mould lobes are fastened on part to be cooled from part to be cooled both sides, and by many groups bolt and nut, the hanging platform of two mould lobes are locked mutually; When second group of cooling module installed, first from a side of part to be cooled, the water inlet of one of them mould lobe is inserted into first group of cooling module wherein the delivery port of a mould lobe, and uses sealing ring to seal; From the opposite side of part to be cooled is installed another mould lobe by the same way, use screw bolt and nut that two mould lobes are locked mutually again; So repeat, until use a plurality of cooling modules to wrap up whole part to be cooled completely.
After whole cooling device has been assembled, the cooling chamber of all cooling modules is connected, in part to be cooled is wrapped in; Meanwhile, the liquid cooling chamber of all cooling modules is also connected, and follows cooling chamber together along with part to be cooled extends.
S3, on the delivery port of two cooling modules of cooling device outermost end and water inlet, water pipe is installed respectively, in liquid cooling chamber, is passed into cooling fluid.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the conformal cooling device based on laser selective forming technique, is characterized in that, comprises one or more cooling modules that connect successively, and described each cooling module comprises two mould lobes, and described two mould lobes radially fasten and form a tubulose cooling chamber; Described mould lobe inside is the liquid cooling chamber of hollow.
2. the conformal cooling device based on laser selective forming technique according to claim 1, it is characterized in that, described mould lobe has the first fastening wall and second on same plane or curved surface spaced apart and fastens wall, first fastens between the adjacent side edge that wall and second fastens wall and is connected with madial wall, first fasten wall and second fasten wall mutually away from being connected with lateral wall between Ce edge; Described lateral wall, madial wall, first fasten wall and the second fastening wall surrounds described liquid cooling chamber; It is relative respectively with the second fastening wall that first of two mould lobes in each cooling module fasten wall, radially fastens and form described cooling chamber, and the madial wall of two mould lobes is the inwall of cooling chamber, and extend with cooling chamber in the liquid cooling chamber of mould lobe inside.
3. the conformal cooling device based on laser selective forming technique according to claim 2, it is characterized in that, two end faces of described mould lobe are respectively equipped with a water inlet and a delivery port, when described a plurality of cooling module connects successively, the delivery port of the mould lobe of adjacent cooling module is connected with water inlet.
4. the conformal cooling device based on laser selective forming technique according to claim 2, is characterized in that, in mould lobe, described madial wall is provided with a plurality of convex tendons that extend vertically on liquid cooling Qiang side.
5. according to the conformal cooling device based on laser selective forming technique described in claim 2 or 4, it is characterized in that, in mould lobe, described lateral wall is provided with a plurality of convex tendons that extend vertically on liquid cooling Qiang side.
6. the conformal cooling device based on laser selective forming technique according to claim 2, it is characterized in that, described the first fastening wall and second fastens wall and mutually away from Ce edge, is provided with a plurality of hanging platforms, and described a plurality of hanging platforms are along the axially-aligned of mould lobe, and hanging platform is provided with fixing hole; When two mould lobes in cooling module fasten mutually, the hanging platform of two mould lobes is bolted.
7. the conformal cooling device based on laser selective forming technique according to claim 3, is characterized in that, described water inlet has a flange, and the external diameter of described flange is consistent with the internal diameter of delivery port; When the mould lobe of adjacent cooling module connects, wherein the flange of Yi Moban water inlet is inserted in the delivery port of another mould lobe.
8. the conformal cooling device based on laser selective forming technique according to claim 3, is characterized in that, the water inlet of mould lobe and the junction of delivery port of adjacent cooling module are provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400587.0A CN103507239B (en) | 2013-09-05 | 2013-09-05 | A kind of conformal cooling device based on laser selective forming technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310400587.0A CN103507239B (en) | 2013-09-05 | 2013-09-05 | A kind of conformal cooling device based on laser selective forming technique |
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| CN103507239A true CN103507239A (en) | 2014-01-15 |
| CN103507239B CN103507239B (en) | 2015-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312866A (en) * | 2014-07-29 | 2016-02-10 | 上海济微机械科技有限公司 | Method for producing conformal cooling type die |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1589667A (en) * | 1976-08-26 | 1981-05-20 | Dynamit Nobel Ag | Manufacture of shaped articles of plastics material foams such as pipe insulators |
| US6652258B1 (en) * | 2000-05-26 | 2003-11-25 | Starita Joseph M | Mold block for thermoforming large diameter corrugated plastic pipe |
| CN1592678A (en) * | 2000-12-19 | 2005-03-09 | 赫斯基注射器成型系统有限公司 | Post-mold cooling method and apparatus |
| CN1681638A (en) * | 2002-09-19 | 2005-10-12 | 赫斯基注射器成型系统有限公司 | Cooling tube and method of using same |
| CN101664993A (en) * | 2009-09-14 | 2010-03-10 | 成都市新湖装饰材料有限公司 | Method for cooling and sizing plastic profiles and device for realizing same |
| CN203622862U (en) * | 2013-09-05 | 2014-06-04 | 广州中国科学院先进技术研究所 | Conformal cooling device based on laser selective molding technology |
-
2013
- 2013-09-05 CN CN201310400587.0A patent/CN103507239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1589667A (en) * | 1976-08-26 | 1981-05-20 | Dynamit Nobel Ag | Manufacture of shaped articles of plastics material foams such as pipe insulators |
| US6652258B1 (en) * | 2000-05-26 | 2003-11-25 | Starita Joseph M | Mold block for thermoforming large diameter corrugated plastic pipe |
| CN1592678A (en) * | 2000-12-19 | 2005-03-09 | 赫斯基注射器成型系统有限公司 | Post-mold cooling method and apparatus |
| CN1681638A (en) * | 2002-09-19 | 2005-10-12 | 赫斯基注射器成型系统有限公司 | Cooling tube and method of using same |
| CN101664993A (en) * | 2009-09-14 | 2010-03-10 | 成都市新湖装饰材料有限公司 | Method for cooling and sizing plastic profiles and device for realizing same |
| CN203622862U (en) * | 2013-09-05 | 2014-06-04 | 广州中国科学院先进技术研究所 | Conformal cooling device based on laser selective molding technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312866A (en) * | 2014-07-29 | 2016-02-10 | 上海济微机械科技有限公司 | Method for producing conformal cooling type die |
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| CN103507239B (en) | 2015-10-14 |
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Effective date of registration: 20210701 Address after: 511458 x5056, 5th floor, management committee building, Jiuyong section, Yuehai Avenue, Wanqingsha Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU JIANCHI BIOTECHNOLOGY Co.,Ltd. Address before: 511458 Nansha District seashore road, Guangzhou, Guangzhou, Guangdong Patentee before: GUANGZHOU INSTITUTE OF ADVANCED TECHNOLOGY, CHINESE ACADEMY OF SCIENCES |
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Address after: 511457 room 101-103, No. 37, Jinlong Road, Nansha street, Nansha District, Guangzhou City, Guangdong Province (can not be used as a workshop) Patentee after: Guangdong Jianchi Biotechnology Co.,Ltd. Address before: 511458 x5056, 5th floor, management committee building, Jiuyong section, Yuehai Avenue, Wanqingsha Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU JIANCHI BIOTECHNOLOGY Co.,Ltd. |
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