CN103894581B - A kind of die casting for manufacturing air blade - Google Patents

A kind of die casting for manufacturing air blade Download PDF

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Publication number
CN103894581B
CN103894581B CN201210581621.4A CN201210581621A CN103894581B CN 103894581 B CN103894581 B CN 103894581B CN 201210581621 A CN201210581621 A CN 201210581621A CN 103894581 B CN103894581 B CN 103894581B
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CN
China
Prior art keywords
core
squeeze pin
air blade
runner
die casting
Prior art date
Application number
CN201210581621.4A
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Chinese (zh)
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CN103894581A (en
Inventor
李光浩
奚道伟
马广兴
刘桂平
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苏州广型模具有限公司
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Application filed by 苏州广型模具有限公司 filed Critical 苏州广型模具有限公司
Priority to CN201210581621.4A priority Critical patent/CN103894581B/en
Publication of CN103894581A publication Critical patent/CN103894581A/en
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Publication of CN103894581B publication Critical patent/CN103894581B/en

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Abstract

The invention discloses a kind of die casting for manufacturing air blade, including sprue gate, solid plate, fixed mold core, mavable module core and moving platen, fixed mold core and mavable module core are combined formation die cavity, one end of sprue gate correspondence die cavity is provided with the runner being communicated to die cavity, runner is provided with spreader, being provided with pressurizing unit between fixed mold core and mavable module core, pressurizing unit includes squeeze pin and provides the oil cylinder of extruding power to squeeze pin, and one end of squeeze pin is arranged in runner;The sliding block core-pulling mechanism driving squeeze pin to extract out from runner it is provided with between solid plate and moving platen.After disclosed die casting matched moulds, air blade can be completed first time extruding by the pressurizing cylinder of die casting machine, then squeeze pin carries out secondary pressurized feeding and ftercompction on the basis of first time extruding, ensure that air blade consistency, do not have the defects such as pore, loose and depression, be effectively improved the molding quality of air blade.

Description

A kind of die casting for manufacturing air blade
Technical field
The present invention relates to a kind of die casting, particularly to a kind of die casting for manufacturing air blade.
Background technology
Air blade is the ingredient that the mechanical parts such as motor are important, is also one of very important part in national defense industry.The mode of existing processing air blade mainly has punching press, blank CNC processing and die casting these three mode, and wherein, the air blade that pressure casting method energy molding curved surface is complex, shaping efficiency ratio is very fast, is therefore widely used in the manufacture processing of air blade.
Air blade is elongate articles, and prescription is generally air blade silk screen circle pommel portion and loosens and without depression etc. to shock resistance in the scope of blade 1/3, overall consistency height, pore-free, nothing.But, melted liquid is pressed into the insufficient pressure in mold cavity to ensure the quality of air blade by die casting machine, there is many defects in the air blade of forming, it is extremely difficult to the quality requirements of client, even if be all unable to reach pore-free by the improvement mode such as cast gate and running gate system, nothing is loosened and nonpitting prescription, air blade foundry goods Forming Quality is poor.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of die casting for manufacturing air blade, high to realize air blade consistency, do not have the purpose of the defects such as pore, loose and depression, be effectively improved the molding quality of air blade.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of die casting for manufacturing air blade, including sprue gate, solid plate, fixed mold core, mavable module core and moving platen, described fixed mold core and described mavable module core are combined formation die cavity, one end of the corresponding described die cavity in described sprue gate is provided with the runner being communicated to described die cavity, described runner is provided with spreader, it is provided with pressurizing unit between described fixed mold core and described mavable module core, described pressurizing unit includes squeeze pin and provides the oil cylinder of extruding power to described squeeze pin, and one end of described squeeze pin is arranged in described runner;The sliding block core-pulling mechanism driving described squeeze pin to extract out from described runner it is provided with between described solid plate and described moving platen.
Preferably, described sliding block core-pulling mechanism includes slider core, take-up housing and taper pin, and described take-up housing is positioned at the side of the corresponding described solid plate of described moving platen, and slides on described moving platen;Described slider core is fixed on the side of the corresponding described die cavity of described take-up housing;One end of described taper pin is fixed on described solid plate, and the other end injects in described take-up housing;The traverse from described slider core of the other end of described squeeze pin, and by one from described take-up housing the connecting rod of traverse be connected with described oil cylinder.
Preferably, the corresponding described take-up housing place of described moving platen is provided with chute, and the both sides of described take-up housing are provided with fixture block, and described fixture block is fastened in described chute.
Preferably, described squeeze pin being arranged with silk cylinder, described silk cylinder is fixed in described slider core.
Preferably, described silk cylinder is provided with the through hole matched with described squeeze pin, one end of the corresponding described connecting rod of described silk cylinder is provided with counter sink, one end of the corresponding described connecting rod of described squeeze pin is installed with the diameter value boss block more than its diameter value, the diameter value of described counter sink is more than the diameter value of described boss block, and the depth value of described counter sink is consistent with the stroke value of described squeeze pin.
Preferably, described oil cylinder is provided with stroke detection mechanism;Described stroke detection mechanism includes two travel switches and two contact blocks, and two described travel switches are fixed on described oil cylinder, and two described contact blocks are fixed on the expansion link of described oil cylinder.
Preferably, described contact block is bolted on described expansion link.
Pass through technique scheme, die casting for manufacturing air blade provided by the invention, after matched moulds, air blade can be completed first time extruding by the pressurizing cylinder of die casting machine, then the round pommel portion of air blade is carried out secondary pressurized feeding and ftercompction by squeeze pin on the basis of first time extruding, squeezes in mold cavity by material remaining in runner, it is ensured that air blade consistency, do not have the defects such as pore, loose and depression, be effectively improved the molding quality of air blade.Meanwhile, sliding block core-pulling mechanism drives squeeze pin to extract out from runner, enables the air blade demoulding smoothly, and mould structure is exquisite, and motion stabilization is reliable, and die cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described.
Fig. 1 is the structural representation of a kind of die casting for manufacturing air blade disclosed in the embodiment of the present invention;
Fig. 2 is the combinative structure schematic diagram of the pressurizing unit disclosed in the embodiment of the present invention and sliding block core-pulling mechanism;
Fig. 3 is the scheme of installation of the take-up housing disclosed in the embodiment of the present invention and moving platen;
Fig. 4 is the sectional view of the silk cylinder disclosed in the embodiment of the present invention;
Fig. 5 is the structural representation of the stroke detection mechanism of loosing core disclosed in the embodiment of the present invention;
The work process schematic diagram of a kind of die casting for manufacturing air blade that Fig. 6 and 7 are the silk cylinder disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
The invention provides a kind of die casting (with reference to Fig. 1) for manufacturing air blade, including sprue gate 11, solid plate 12, fixed mold core 13, mavable module core 14 and moving platen 15, fixed mold core 13 and mavable module core 14 are combined formation die cavity D, one end of the corresponding die cavity D in sprue gate 11 is provided with the runner 16 being communicated to die cavity D, runner 16 is provided with spreader, it is provided with pressurizing unit between fixed mold core 13 and mavable module core 14, pressurizing unit includes squeeze pin 17 and provides the oil cylinder 18 of extruding power to squeeze pin 17, and one end of squeeze pin 17 is arranged in runner 16;The sliding block core-pulling mechanism driving squeeze pin 17 to extract out from runner 16 it is provided with between solid plate 12 and moving platen 15.
As illustrated in fig. 1 and 2, sliding block core-pulling mechanism includes slider core 20, take-up housing 19 and taper pin 21, and take-up housing 19 is positioned at the side of the corresponding solid plate 12 of moving platen 15, and slides on moving platen 15;Slider core 20 is fixed on the side of the corresponding die cavity of take-up housing 19;One end of taper pin 21 is fixed on solid plate 12, and the other end injects in take-up housing 19;The traverse from slider core 20 of the other end of squeeze pin 17, and be connected with oil cylinder 18 by the connecting rod 22 of a traverse from take-up housing 19.
As it is shown on figure 3, corresponding take-up housing 19 place of moving platen 15 is provided with chute C, the both sides of take-up housing 19 are provided with fixture block B, fixture block B and are fastened in chute C, it is prevented that when take-up housing 19 slides on moving platen 15, occur crooked.
During matched moulds, take-up housing 19 closes (as shown in Figure 1) under the effect of taper pin 21, after Filling Processes of Castings in process of setting, oil cylinder 18 drives squeeze pin 17 to extrude forward by connecting rod 22, improves consistency and the intensity of product, product solidify completely after die sinking, squeeze pin 17 retreats under the effect of oil cylinder 18, and then mould is opened, and taper pin 21 drives the overall retrogressing of slider core 20, making squeeze pin 17 completely disengage from runner 16, air blade A is pushed out.
Such as Fig. 1, shown in 2 and 4, squeeze pin 17 being arranged with silk cylinder 23, silk cylinder 23 is fixed in slider core 20.Silk cylinder 23 is provided with the through hole 24 matched with squeeze pin 17, one end of the corresponding connecting rod 22 of silk cylinder 23 is provided with counter sink 25, one end of the corresponding connecting rod 22 of squeeze pin 17 is installed with the diameter value boss block 26 more than its diameter value, the diameter value of counter sink 25 is more than the diameter value of boss block 26, and the depth value of counter sink 25 is consistent with the stroke value of squeeze pin 17.The effect of silk cylinder 23 is to be easily changed after motion abrasion, and arranges crush stroke in silk cylinder 23, makes squeeze pin 17 have enough space motions.
As it is shown in figure 5, oil cylinder 18 is provided with stroke detection mechanism.Stroke detection mechanism includes two travel switches 31 and two contact blocks 32, and two travel switches 31 are fixed on oil cylinder 18, and two contact blocks 32 are bolted on the expansion link 33 of oil cylinder 18.When expansion link 33 advances, expansion link 33 touches the travel switch 31 of close mould on oil cylinder 18 near the contact block 32 of mould, when expansion link 33 retreats, expansion link 33 touches on oil cylinder 18 travel switch 31 away from mould away from the contact block 32 of mould, the stroke of this explanation squeeze pin 17 is accurately, and die casting machine may proceed to work;If expansion link 33 is when advancing or retreat, travel switch 31 does not reach contact block 32, and this illustrates that mistake occurs in the stroke of squeeze pin 17, and now die casting machine can autostop.Set up stroke detection mechanism to effectively prevent and produce substantial amounts of defective products because of the deficiency of crush stroke, save production cost.
As shown in Figures 6 and 7, after matched moulds, air blade A can be completed first time extruding by the pressurizing cylinder of die casting machine, then the round pommel portion of air blade A is carried out secondary pressurized feeding and ftercompction by squeeze pin 17 on the basis of first time extruding, material remaining in runner 16 is squeezed in mold cavity D, ensure that air blade A consistency, do not have the defects such as pore, loose and depression, be effectively improved the molding quality of air blade A.Squeeze pin 17 is evacuated to original position by oil cylinder 18, and then dynamic model retreats, and taper pin 21 forces sliding outside take-up housing 19 phase mould going, slider core 20 drives squeeze pin 17 to extract out from runner 16, enables the air blade A demoulding smoothly, and mould structure is exquisite, motion stabilization is reliable, and die cost is low.
The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.

Claims (5)

1. the die casting being used for manufacturing air blade, including sprue gate, solid plate, fixed mold core, mavable module core and moving platen, described fixed mold core and described mavable module core are combined formation die cavity, one end of the corresponding described die cavity in described sprue gate is provided with the runner being communicated to described die cavity, described runner is provided with spreader, it is characterized in that, it is provided with pressurizing unit between described fixed mold core and described mavable module core, described pressurizing unit includes squeeze pin and provides the oil cylinder of extruding power to described squeeze pin, and one end of described squeeze pin is arranged in described runner;The sliding block core-pulling mechanism driving described squeeze pin to extract out from described runner it is provided with between described solid plate and described moving platen;
Wherein, described oil cylinder is provided with stroke detection mechanism;Described stroke detection mechanism includes two travel switches and two contact blocks, and two described travel switches are fixed on described oil cylinder, and two described contact blocks are bolted on the expansion link of described oil cylinder.
2. a kind of die casting for manufacturing air blade according to claim 1, it is characterized in that, described sliding block core-pulling mechanism includes slider core, take-up housing and taper pin, and described take-up housing is positioned at the side of the corresponding described solid plate of described moving platen, and slides on described moving platen;Described slider core is fixed on the side of the corresponding described die cavity of described take-up housing;One end of described taper pin is fixed on described solid plate, and the other end injects in described take-up housing;The traverse from described slider core of the other end of described squeeze pin, and by one from described take-up housing the connecting rod of traverse be connected with described oil cylinder.
3. a kind of die casting for manufacturing air blade according to claim 2, it is characterised in that the corresponding described take-up housing place of described moving platen is provided with chute, and the both sides of described take-up housing are provided with fixture block, and described fixture block is fastened in described chute.
4. a kind of die casting for manufacturing air blade according to claim 3, it is characterised in that being arranged with silk cylinder on described squeeze pin, described silk cylinder is fixed in described slider core.
5. a kind of die casting for manufacturing air blade according to claim 4, it is characterized in that, described silk cylinder is provided with the through hole matched with described squeeze pin, one end of the corresponding described connecting rod of described silk cylinder is provided with counter sink, one end of the corresponding described connecting rod of described squeeze pin is installed with the diameter value boss block more than its diameter value, the diameter value of described counter sink is more than the diameter value of described boss block, and the depth value of described counter sink is consistent with the stroke value of described squeeze pin.
CN201210581621.4A 2012-12-28 2012-12-28 A kind of die casting for manufacturing air blade CN103894581B (en)

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CN103894581B true CN103894581B (en) 2016-06-29

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CN104139168B (en) * 2014-07-14 2018-02-27 东莞市石碣宏钰模具五金厂 A kind of stern rudder die casting
CN105108112A (en) * 2015-09-06 2015-12-02 无锡贺邦金属制品有限公司 Metal die casting technology
CN105194806A (en) * 2015-10-29 2015-12-30 吉林大学 Die of head and neck neoplasm radiotherapy simulation and detection structure
CN106141137A (en) * 2016-09-22 2016-11-23 浙江工业大学 A kind of side core-pulling extruding die casting equipment and production method
CN106825490B (en) * 2016-12-28 2019-01-01 宁波臻至机械模具有限公司 A kind of CVT automatic transmission casing die casting
CN107486549A (en) * 2017-09-27 2017-12-19 广东鸿图南通压铸有限公司 The detection error-preventing method and device of squeeze pin in a kind of die casting
CN109261931B (en) * 2018-09-05 2020-09-11 襄阳美利信科技有限责任公司 Two-stage extrusion casting process and device for transmission shell

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CN201906813U (en) * 2011-01-11 2011-07-27 东莞市东升压铸模具有限公司 Secondary pressurizing and die-casting mould for manufacturing head cover
CN102274945A (en) * 2011-08-25 2011-12-14 营口压铸业有限公司 Novel die casting machine
CN203003115U (en) * 2012-12-28 2013-06-19 苏州广型模具有限公司 Die-casting die for manufacturing wind blade

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CN102085571A (en) * 2009-12-08 2011-06-08 上海乾通汽车附件有限公司 Multipoint extruding device inside cavity sliding block
CN201906813U (en) * 2011-01-11 2011-07-27 东莞市东升压铸模具有限公司 Secondary pressurizing and die-casting mould for manufacturing head cover
CN102274945A (en) * 2011-08-25 2011-12-14 营口压铸业有限公司 Novel die casting machine
CN203003115U (en) * 2012-12-28 2013-06-19 苏州广型模具有限公司 Die-casting die for manufacturing wind blade

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