CN105665679A - Core-pulling cooling device for die-casting die - Google Patents
Core-pulling cooling device for die-casting die Download PDFInfo
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- CN105665679A CN105665679A CN201510829672.8A CN201510829672A CN105665679A CN 105665679 A CN105665679 A CN 105665679A CN 201510829672 A CN201510829672 A CN 201510829672A CN 105665679 A CN105665679 A CN 105665679A
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- refrigerating unit
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Abstract
The invention discloses a core-pulling cooling device for a die-casting die. The core-pulling cooling device for the die-casting die aims at overcoming the defects that an existing die-casting cooling device is complex in structure and high in cost, the cooling effect of the core-pulling position is not good, and core pulling operation is not convenient. The core-pulling cooling device comprises a piston cylinder, a core and a cooling pipe, wherein a cooling cavity is formed in the core along the axis of the core, a quick-releasing transition block is connected between a telescopic rod of the piston cylinder and the core, and the cooling pipe is movably connected to the piston cylinder. The cooling pipe comprises an inner pipe and an outer pipe, a liquid return gap is formed between the outer wall of the inner pipe and the inner wall of the outer pipe, and the inner pipe stretches out of the front end of the outer pipe; the part, extending out of the front end of the outer pipe, of the inner pipe is arranged in the cooling cavity, the front end of the inner pipe is arranged close to the bottom end of the cooling cavity, and the front end of the outer pipe is provided with a connecting part. The open end, connected with the quick-releasing transition block, of the core is tightly connected with the connecting part, the rear end of the cooling pipe is connected with a connector, and the connector is provided with a liquid inlet connector body communicating with the inner pipe and a liquid return connector body communicating with a liquid outlet gap.
Description
Technical field
The present invention relates to a kind of mould core pulling mechanism, more specifically, it relates to a kind of die casting and looses core refrigerating unit.
Background technology
Die casting is that die casting smooth surface, precision height, in most of the cases, die casting does not need reface processing can assemble application, even if threaded part also can directly cast out by high pressure by a kind of casting method in metallic solution press-in die. Press casting procedure needs die casting cools the roughness ensureing not easily sticky aluminium and guarantee product surface in the process of loosing core. And die casting refrigerating unit complex structure conventional at present, cost height, the cooling performance of position of loosing core is not good, and type core is loosed core and is operated inconvenience.
Chinese patent notification number CN203061835U, disclose a kind of die casting cooling water system, comprise pressure die-casting machine mould and oil cooler, air compressor machine and oil cooler, water reservoir, drench water cooling tower and connecting tube, the water outlet of water reservoir connects pressure die-casting machine and oil cooler through pipeline, air compressor machine and oil cooler, the outlet conduit of water reservoir accesses water pump, the water outlet drenching water cooling tower connects water reservoir through pipeline, system is also provided with high temperature water reservoir, pressure die-casting machine mould and oil cooler, the water coolant backwater of air compressor machine and oil cooler connects high temperature water reservoir through pipeline, the water outlet of high temperature water reservoir connects through pipeline drenches water cooling tower, drenching water cooling tower adopts high temperature to drench water cooling tower. this kind of die casting cooling water system complex structure, cost height, the cooling performance of position of loosing core is not good, and type core is loosed core and is operated inconvenience.
Summary of the invention
Instant invention overcomes existing die casting refrigerating unit complex structure, cost height, the cooling performance of position of loosing core is not good, type core is loosed core unhandy deficiency, it provides a kind of die casting is loosed core refrigerating unit, and its structure is simple, cost is low, to the good cooling results of position of loosing core, type core is loosed core easy to operate, saves die design space.
In order to solve the problems of the technologies described above, the present invention is by the following technical solutions: a kind of die casting is loosed core refrigerating unit, comprise piston cylinder, type core, cooling tube, the cooling chamber arranged along axis it is provided with in type core, it is connected with between piston cylinder expansion link and type core and unloads transition block soon, cooling tube is movably connected on piston cylinder, cooling tube comprises inner and outer tubes, liquid gap it is provided with go back between outer wall of inner tube and outer tube wall, interior pipe stretches out outer tube front end, the part that interior pipe stretches out outer tube front end is all arranged in cooling chamber, interior pipe front end is arranged near cooling chamber bottom, outer tube front end is provided with connection section, type core with unload opening end and the connection section compact siro spinning technology that transition block is connected soon, cooling tube rear end is connected with connecting joint, time liquid joint that connecting joint is provided with the liquid inlet joint being connected with interior pipe and is connected with fluid gap.
Type core inner is cooled while being loosed core by type core by piston cylinder work, cooling fluid enters interior pipe from liquid inlet joint, successively through piston cylinder, unload transition block soon, bottom arrival type core cooling chamber, the liquid gap of returning then upwards flowed bottom cooling chamber between inner and outer tubes flows to back the discharge of liquid joint.Directly being cooled by type core inner while loosing core, structure is simple, and cost is low, and to the good cooling results of position of loosing core, type core is loosed core easy to operate, saves die design space. Cooling chamber is arranged along type wire mandrel, ensure that each position of type core can well cool, avoid local superheating phenomenon, unloading transition block soon enables type core be connected with type core quick assembling with piston cylinder expansion link and cooling tube, make the connection of cooling tube and type core more highly reliable, ensure cooling performance.
As preferably, cooling tube activity is plugged in piston cylinder and runs through piston cylinder expansion link. This kind of vibrational power flow is convenient to the layout of cooling tube.
As preferably, with the movable post that piston cylinder expansion link opposite end is connected with piston cylinder expansion link synchronization telescope moves on piston cylinder, cooling tube is plugged in movable post, and the connecting joint of cooling tube rear end is fastenedly connected with movable post rear end. Cooling tube, piston cylinder expansion link, movable post are coaxially arranged. Band ejector half core and cooling tube synchronizing moving when piston cylinder works, cooling tube rear end is connected with movable post, and movable post is flexible motion in piston cylinder, ensure that the stationarity that cooling tube moves.
As preferably, the outer wall of movable post and connecting joint link position being connected with spacing cover. It is excessive that spacing cover can effectively prevent type core from loosing core, and ensures the safe and reliable operation of process of loosing core.
As preferably, piston cylinder being connected with support, support is provided with two and promotes piston cylinder, promote and piston cylinder is equipped with scalable promotion bar, promoting bar front end to be connected with pedestal fairload, a pedestal fairload is connected on movable column outer wall, and another pedestal fairload is connected on spacing cover outer wall. Pedestal fairload arranges the stationarity that ensure that movable post telescopic process, the convenient position regulating pedestal fairload at any time of scalable promotion bar, it may also be useful to flexible.
As preferably, piston cylinder is hydraulic ram. Hydraulic ram power is big, safe and reliable to operation.
As preferably, unload the communicating aperture being provided with through two ends in the middle of transition block soon, communicating aperture inwall is provided with ring groove, communicating aperture inwall is provided with position limiting convex ring near type core end, type core with unload transition block coupling end outer wall soon and be provided with and be connected convex ring, piston cylinder expansion link front end is provided with and the retaining ring of ring groove adaptation, and retaining ring is connected in ring groove, connects convex ring and is connected between retaining ring and position limiting convex ring. The transition block of unloading soon of cylinder shape connects block by the button of two symmetrically arranged semicircle columns and snaps together and form. Unloading transition block soon to connect block by two buttons and snap together formation, easy accessibility, the convex ring of connection of type core end connects spacing between retaining ring and position limiting convex ring, reliably spacing. Unloading transition block soon and can making type core and cooling tube, piston cylinder expansion link quick assembling and dismounting of this kind of structure, substantially increases working efficiency.
Compared with prior art, the invention has the beneficial effects as follows: (1) die casting looses core refrigerating unit structure simply, and cost is low, and to the good cooling results of position of loosing core, type core is loosed core easy to operate, saves die design space; (2) unload transition block soon and can make type core and cooling tube, piston cylinder expansion link quick assembling and dismounting, substantially increase working efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the sectional view of the present invention;
Fig. 3 is the structural representation of the cooling tube of the present invention;
Fig. 4 is the part sectioned view of the cooling tube of the present invention;
In figure: 1, piston cylinder, 2, type core, 3, cooling tube, 4, cooling chamber, 5, transition block is unloaded soon, 6, interior pipe, 7, outer tube, 8, go back to liquid gap, 9, connection section, 10, connecting joint, 11, liquid inlet joint, 12, return liquid joint, 13, movable post, 14, spacing cover, 15, support, 16, promote piston cylinder, 17, bar is promoted, 18, pedestal fairload, 19, communicating aperture, 20, ring groove, 21, position limiting convex ring, 22, connect convex ring, 23, retaining ring, 24, button connect block.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical scheme of the present invention is further described specifically:
Embodiment: a kind of die casting is loosed core refrigerating unit (FIGS 1 to 4), comprise piston cylinder 1, type core 2, cooling tube 3, the cooling chamber 4 arranged along axis it is provided with in type core, cooling chamber bottom is near type core front end, it is connected with between piston cylinder expansion link and type core and unloads transition block 5 soon, cooling tube is movably connected on piston cylinder, cooling tube comprises interior pipe 6 and outer tube 7, liquid gap 8 it is provided with go back between outer wall of inner tube and outer tube wall, interior pipe stretches out outer tube front end, the part that interior pipe stretches out outer tube front end is all arranged in cooling chamber, interior pipe front end is arranged near cooling chamber bottom, outer tube front end is provided with connection section 9, type core with unload opening end and the connection section compact siro spinning technology that transition block is connected soon, cooling tube rear end is connected with connecting joint 10, time liquid joint 12 that connecting joint is provided with the liquid inlet joint 11 being connected with interior pipe and is connected with fluid gap. cooling tube activity is plugged in piston cylinder and runs through piston cylinder expansion link. with the movable post 13 that piston cylinder expansion link opposite end is connected with piston cylinder expansion link synchronization telescope moves on piston cylinder, cooling tube is plugged in movable post, and the connecting joint of cooling tube rear end is fastenedly connected with movable post rear end. cooling tube, piston cylinder expansion link, movable post are coaxially arranged. the outer wall of movable post and connecting joint link position is connected with spacing cover 14. piston cylinder is connected with support 15, support is provided with two and promotes piston cylinder 16, promote and piston cylinder is equipped with scalable promotion bar 17, promote bar front end to be connected with pedestal fairload 18, a pedestal fairload is connected on movable column outer wall, and another pedestal fairload is connected on spacing cover outer wall. piston cylinder and promotion piston cylinder are hydraulic ram. unload the communicating aperture 19 being provided with through two ends in the middle of transition block soon, communicating aperture inwall is provided with ring groove 20, communicating aperture inwall is provided with position limiting convex ring 21 near type core end, type core with unload transition block coupling end outer wall soon and be provided with and be connected convex ring 22, piston cylinder expansion link front end is provided with the retaining ring 23 with ring groove adaptation, retaining ring is connected in ring groove, connects convex ring and is connected between retaining ring and position limiting convex ring. the transition block of unloading soon of cylinder shape connects block 24 by the button of two symmetrically arranged semicircle columns and snaps together and form. wherein one piece of button connects block and is provided with fastening post, and another block button connects block and is provided with button and connects hole, and two buttons connect the adaptive connector link that block connects hole by fastening post and button and are connected together.
Type core inner is cooled while being loosed core by type core by piston cylinder work, cooling fluid enters interior pipe from liquid inlet joint, successively through piston cylinder, unload transition block soon, bottom arrival type core cooling chamber, the liquid gap of returning then upwards flowed bottom cooling chamber between inner and outer tubes flows to back the discharge of liquid joint. Directly being cooled by type core inner while loosing core, structure is simple, and cost is low, and to the good cooling results of position of loosing core, type core is loosed core easy to operate, saves die design space.Cooling chamber is arranged along type wire mandrel, ensure that each position of type core can well cool, avoid local superheating phenomenon, unloading transition block soon enables type core be connected with type core quick assembling with piston cylinder expansion link and cooling tube, make the connection of cooling tube and type core more highly reliable, ensure cooling performance.
Above-described embodiment is the one preferably scheme of the present invention, not the present invention is done any restriction in form, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (9)
1. a die casting is loosed core refrigerating unit, it is characterized in that, comprise piston cylinder, type core, cooling tube, the cooling chamber arranged along axis it is provided with in type core, it is connected with between piston cylinder expansion link and type core and unloads transition block soon, cooling tube is movably connected on piston cylinder, cooling tube comprises inner and outer tubes, liquid gap it is provided with go back between outer wall of inner tube and outer tube wall, interior pipe stretches out outer tube front end, the part that interior pipe stretches out outer tube front end is all arranged in cooling chamber, interior pipe front end is arranged near cooling chamber bottom, outer tube front end is provided with connection section, type core with unload opening end and the connection section compact siro spinning technology that transition block is connected soon, cooling tube rear end is connected with connecting joint, time liquid joint that connecting joint is provided with the liquid inlet joint being connected with interior pipe and is connected with fluid gap.
2. die casting according to claim 1 is loosed core refrigerating unit, it is characterized in that, cooling tube activity is plugged in piston cylinder and runs through piston cylinder expansion link.
3. die casting according to claim 1 is loosed core refrigerating unit, it is characterized in that, with the movable post that piston cylinder expansion link opposite end is connected with piston cylinder expansion link synchronization telescope moves on piston cylinder, cooling tube is plugged in movable post, and the connecting joint of cooling tube rear end is fastenedly connected with movable post rear end.
4. die casting according to claim 3 is loosed core refrigerating unit, it is characterized in that, cooling tube, piston cylinder expansion link, movable post are coaxially arranged.
5. die casting according to claim 3 is loosed core refrigerating unit, it is characterized in that, the outer wall of movable post and connecting joint link position is connected with spacing cover.
6. die casting according to claim 5 is loosed core refrigerating unit, it is characterized in that, piston cylinder is connected with support, support is provided with two and promotes piston cylinder, promote and piston cylinder is equipped with scalable promotion bar, promoting bar front end to be connected with pedestal fairload, a pedestal fairload is connected on movable column outer wall, and another pedestal fairload is connected on spacing cover outer wall.
7. die casting according to claim 1 to 6 any one is loosed core refrigerating unit, it is characterized in that, piston cylinder is hydraulic ram.
8. die casting according to claim 1 to 6 any one is loosed core refrigerating unit, it is characterized in that, unload the communicating aperture being provided with through two ends in the middle of transition block soon, communicating aperture inwall is provided with ring groove, communicating aperture inwall is provided with position limiting convex ring near type core end, type core with unload transition block coupling end outer wall soon and be provided with and be connected convex ring, piston cylinder expansion link front end is provided with and the retaining ring of ring groove adaptation, retaining ring is connected in ring groove, connects convex ring and is connected between retaining ring and position limiting convex ring.
9. die casting according to claim 8 is loosed core refrigerating unit, it is characterized in that, the transition block of unloading soon of cylinder shape connects block by the button of two symmetrically arranged semicircle columns and snaps together and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829672.8A CN105665679B (en) | 2015-11-25 | 2015-11-25 | Die casting core pulling cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829672.8A CN105665679B (en) | 2015-11-25 | 2015-11-25 | Die casting core pulling cooling device |
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| Publication Number | Publication Date |
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| CN105665679A true CN105665679A (en) | 2016-06-15 |
| CN105665679B CN105665679B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510829672.8A Active CN105665679B (en) | 2015-11-25 | 2015-11-25 | Die casting core pulling cooling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053615A (en) * | 2017-06-27 | 2017-08-18 | 昆山莱捷有色金属有限公司 | A kind of oil cylinder cooling integrated formula mould core pulling mechanism |
| CN110252996A (en) * | 2019-07-28 | 2019-09-20 | 郑云龙 | A kind of die casting core pulling cooling device |
| CN110538967A (en) * | 2019-09-11 | 2019-12-06 | 浙江今飞摩轮有限公司 | Sprue spreader and casting mold |
| CN111283167A (en) * | 2020-03-23 | 2020-06-16 | 西安法士特汽车传动有限公司 | Quick refrigerated die casting die device of loosing core |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053615A (en) * | 2017-06-27 | 2017-08-18 | 昆山莱捷有色金属有限公司 | A kind of oil cylinder cooling integrated formula mould core pulling mechanism |
| CN110252996A (en) * | 2019-07-28 | 2019-09-20 | 郑云龙 | A kind of die casting core pulling cooling device |
| CN110252996B (en) * | 2019-07-28 | 2021-07-06 | 东莞市美创新精密压铸有限公司 | Core-pulling cooling device of die-casting die |
| CN110538967A (en) * | 2019-09-11 | 2019-12-06 | 浙江今飞摩轮有限公司 | Sprue spreader and casting mold |
| CN111283167A (en) * | 2020-03-23 | 2020-06-16 | 西安法士特汽车传动有限公司 | Quick refrigerated die casting die device of loosing core |
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| Publication number | Publication date |
|---|---|
| CN105665679B (en) | 2017-10-27 |
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Denomination of invention: Core pulling cooling device for die-casting molds Effective date of registration: 20230504 Granted publication date: 20171027 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Beilun sub branch Pledgor: NINGBO JUNLING MOULD TECHNOLOGY Co.,Ltd. Registration number: Y2023980039526 |
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