CN103507239B - A kind of conformal cooling device based on laser selective forming technique - Google Patents
A kind of conformal cooling device based on laser selective forming technique Download PDFInfo
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- CN103507239B CN103507239B CN201310400587.0A CN201310400587A CN103507239B CN 103507239 B CN103507239 B CN 103507239B CN 201310400587 A CN201310400587 A CN 201310400587A CN 103507239 B CN103507239 B CN 103507239B
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- cooling
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
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Abstract
The invention provides a kind of conformal cooling device based on laser selective forming technique, comprise one or more cooling module connected successively, described each cooling module comprises two mould lobes, and described two mould lobes radially fasten formation one tubulose cooling chamber; Described mould lobe inside is the liquid cooling chamber of hollow.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, and therefore cooling device is not by the impact of macroscopic, can realize conformal cooling.This structure cooling effectiveness is high, cooling effect even, and the cooling device cooling effect overcoming traditional handicraft manufacture is poor, and the problem that yield rate is low, can play the advantage of laser selective forming technique to greatest extent, improve economic 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 is its core, directly determines 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, by regulating the cooling fluid that passes into realize cooling effect, but the cooling uniformity and cooling effectiveness 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, the advantages such as processing controllability is high, one-shot forming that it has, compensate for the deficiency of conventional fabrication processes well.But, also do not have a kind of structure of cooling device can play the advantage of laser selective forming technique to greatest extent at present.
Therefore, prior art is further improved.
Summary of the invention
In view of this, be necessary for problems of the prior art, propose that a kind of applicable employing laser selective forming technique manufactures, more rational cooling structure, improve cooling effectiveness, reduce the trend causing percent defective to improve owing 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, devise a kind of conformal cooling device based on laser selective forming technique.
The present invention adopts following scheme:
Based on a conformal cooling device for laser selective forming technique, comprise one or more cooling module connected successively, described each cooling module comprises two mould lobes, and described two mould lobes radially fasten formation one 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, be connected with madial wall between the adjacent side edge of the first fastening wall and the second fastening wall, between the mutual edge away from side of the first fastening wall and the second fastening wall, be connected with lateral wall; 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, and radially fasten and form described cooling chamber, the madial wall of two mould lobes is the inwall of cooling chamber, and the liquid cooling chamber of mould lobe inside extends with cooling chamber.
Two end faces of described mould lobe are respectively equipped with a water inlet and a delivery port, and when described multiple cooling module connects 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 multiple convex tendon extended vertically on the side in liquid cooling chamber.
In mould lobe, described lateral wall is provided with multiple convex tendon extended vertically on the side in liquid cooling chamber.
Described first fastening wall and second fastens wall and is mutually provided with multiple hanging platform away from the edge of side, and described multiple hanging platform is 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 the water inlet of a mould lobe 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, and therefore cooling device is not by the impact of macroscopic, can realize conformal cooling.This structure cooling effectiveness is high, cooling effect even, and the cooling device cooling effect overcoming traditional handicraft manufacture is poor, and the problem that yield rate is low, can play the advantage of laser selective forming technique to greatest extent, improve 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 multiple 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.
Detailed description of the invention
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 the first cooling module 1, second connected successively and cools module 2, the 3rd cooling module 3 and the 4th cooling module 4.Wherein, each cooling module is made up of two mould lobes, and described two mould lobes radially fasten formation one tubulose cooling chamber 5, for placing part to be cooled.Meanwhile, the inside of described mould lobe is the liquid cooling chamber of hollow, for passing into cooling fluid, plays cooling effect.
Particularly, the first mould lobe 11, second mould lobe 21 as shown in Figure 2 and the 3rd mould lobe 31, be respectively the first cooling module 1, second shown in Fig. 1 and cool the mould lobe being positioned at outside in module 2 and the 3rd cooling module 3.Be specifically described for the first mould lobe 11 below.As shown in Figures 2 to 4, described first mould lobe 11 has the first fastening wall 111 and the second fastening wall 112 on same plane spaced apart.Wherein, between the first fastening wall 111 and the adjacent side edge of the second fastening wall 112, be connected with madial wall 113, between the first fastening wall 111 and the mutual edge away from side of the second fastening wall 112, be connected with lateral wall 114.Described madial wall 113 and lateral wall 114 all fasten a lateral projections of wall 111 and the second fastening wall 112 to first, make madial wall 113 form a semi-cylindrical groove, described groove extends along the axis of the first mould lobe 11.In first cooling module 1, the structure of another mould lobe is identical with the first mould lobe 11, when 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 radially fastening the columniform cooling chamber of formation one 5, two mould lobes is the inwall of cooling chamber 5.
Further, in the first mould lobe 11, described first fastening wall 111 and the second fastening wall 112 are provided with multiple hanging platform 115 away from the edge of side mutually, and described multiple hanging platform 115 is arranged in order along the axis of 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 distribution coupling mutually, 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.
It should be noted that the bearing of trend of cooling chamber 5 in the present invention with the change in shape of part to be cooled, can be not limited to the linear structure shown in the first cooling module 1.Fastening wall 211 and second for first in the second cooling module 2, second mould lobe 21, to fasten wall 212 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 is 90 ° of bending 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 carry out change design according to the outer table skeleton of part to be cooled, makes the everywhere of madial wall as far as possible close with part outer surface to be cooled, to improve cooling effectiveness.
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 described liquid cooling chamber 6 extends with cooling chamber 5.Described madial wall 113 is provided with multiple convex tendon 116 extended vertically on the side in liquid cooling chamber 6; Described lateral wall 114 is also provided with multiple convex tendon 116 extended vertically on the side in liquid cooling chamber 6.Described convex tendon 116 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 water inlet 7 and a delivery port 8, and when multiple cooling module connects successively, delivery port 7 and the water inlet 8 of the mould lobe of adjacent cooling module are interconnected, and the liquid cooling chamber 6 of multiple cooling module is communicated as one.
As improvement, described water inlet 7 place has 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 place of a mould lobe is inserted in the delivery port 8 of another mould lobe.Further, in the junction of the water inlet 7 of the mould lobe of adjacent cooling module and delivery port 8, sealing ring can be set, to strengthen the sealing of junction.
Concrete installation method when the embodiment of the present invention uses is as follows:
S1, the cooling module selecting cooling chamber inner wall shape to match according to the appearance and size of part to be cooled, and move towards according to the structure of part to be cooled, choose multiple cooling modules 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 both sides to be cooled, and by many group bolts and nut, the hanging platform of two mould lobes are locked mutually; When second group of cooling module is installed, first the water inlet of one of them mould lobe is inserted into the delivery port of first group of cooling module wherein mould lobe from the side of part to be cooled, and uses sealing ring to seal; After being installed by the same way by another mould lobe from the opposite side of part to be cooled, screw bolt and nut is used mutually to be locked by two mould lobes again; Repetition like this, until use multiple cooling module 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 being wrapped in by part to be cooled; Meanwhile, the liquid cooling chamber of all cooling modules is also connected, with cooling chamber together along with part to be cooled extends.
S3, on the delivery port and water inlet of two of cooling device outermost end cooling modules, water pipe is installed respectively, in liquid cooling chamber, passes into cooling fluid.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 (7)
1. based on a conformal cooling device for laser selective forming technique, it is characterized in that, comprise one or more cooling module connected successively, each described cooling module comprises two mould lobes, and described two mould lobes radially fasten formation one 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, be connected with madial wall between the adjacent side edge of the first fastening wall and the second fastening wall, between the mutual edge away from side of the first fastening wall and the second fastening wall, be connected with lateral wall; 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, and radially fasten and form described cooling chamber, the madial wall of two mould lobes is the inwall of cooling chamber, and the liquid cooling chamber of mould lobe inside extends with cooling chamber.
2. the conformal cooling device based on laser selective forming technique according to claim 1, 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 multiple cooling module connects successively, the delivery port of the mould lobe of adjacent cooling module is connected with water inlet.
3. the conformal cooling device based on laser selective forming technique according to claim 1, is characterized in that, in mould lobe, described madial wall is provided with multiple convex tendon extended vertically on the side in liquid cooling chamber.
4. the conformal cooling device based on laser selective forming technique according to claim 1 or 3, is characterized in that, in mould lobe, described lateral wall is provided with multiple convex tendon extended vertically on the side in liquid cooling chamber.
5. the conformal cooling device based on laser selective forming technique according to claim 1, it is characterized in that, described first fastening wall and second fastens wall and is mutually provided with multiple hanging platform away from the edge of side, and described multiple hanging platform is 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.
6. the conformal cooling device based on laser selective forming technique according to claim 2, it 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 the water inlet of a mould lobe is inserted in the delivery port of another mould lobe.
7. the conformal cooling device based on laser selective forming technique according to claim 2, 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 CN103507239A (en) | 2014-01-15 |
| CN103507239B true CN103507239B (en) | 2015-10-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN103507239A (en) | 2014-01-15 |
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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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