CN202398797U - Thin-wall and deep-cavity aluminum alloy die-casting die for light dimming support for automobile headlight - Google Patents

Thin-wall and deep-cavity aluminum alloy die-casting die for light dimming support for automobile headlight Download PDF

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Publication number
CN202398797U
CN202398797U CN2011205595956U CN201120559595U CN202398797U CN 202398797 U CN202398797 U CN 202398797U CN 2011205595956 U CN2011205595956 U CN 2011205595956U CN 201120559595 U CN201120559595 U CN 201120559595U CN 202398797 U CN202398797 U CN 202398797U
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China
Prior art keywords
die
casting
aluminum alloy
thin
cavity
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Expired - Fee Related
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CN2011205595956U
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Chinese (zh)
Inventor
罗昌义
罗昌国
罗宣华
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KUNSHAN TUO AN PLASTIC PRODUCTS CO Ltd
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KUNSHAN TUO AN PLASTIC PRODUCTS CO Ltd
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Priority to CN2011205595956U priority Critical patent/CN202398797U/en
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Publication of CN202398797U publication Critical patent/CN202398797U/en
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Abstract

The utility model relates to a thin-wall and deep-cavity aluminum alloy die-casting die for a light dimming support for an automobile headlight. The aluminum alloy die-casting die comprises a cup-type casting mechanism (1), a product (2), a side slide block core-pulling mechanism (3) and a vacuum exhaust mechanism (4), wherein the cup-type casting mechanism (1) is positioned on the right side of a cavity of a lower die, the bottom of the cup-type casting mechanism (1) is communicated with a die runner, the vacuum exhaust mechanism (4) is positioned on the left side of the cavity of the lower die, and the side slide block core-pulling mechanism (3) is arranged at the rear side of the cavity of the die. The thin-wall and deep-cavity aluminum alloy die-casting die for the light dimming support for the automobile headlight has stable performances and can better guarantee the product quality.

Description

The dark chamber of a kind of thin-walled automobile anteposition lamp light modulation support aluminum alloy die-casting die
Technical field
The utility model belongs to the automobile fitting technical field of mold, particularly relates to the dark chamber of a kind of thin-walled automobile anteposition lamp light modulation support aluminum alloy die-casting die.
Background technology
The projected area of aluminium alloy light modulation support, vector and high low head, the symmetric ratio of assembling are greater than 2: 1 ratios of routine in length and breadth, and the product size thinnest part only has 1.05mm, and the high low head in the thin place of product wall surpasses 65mm.Add the step that is interrupted, continuous turning, long and narrow slit; In the forming process, the flowability of the aluminium alloy solution under the condition of high temperature and trafficability characteristic are influenced by the mold cavity internal structure quite, finally can cause product to owe casting seriously; Product inside will produce steam bubble, cause product surface to lack material and shrink.Thereby aluminium alloy light modulation support product has absolute big challenge to mould structure, manufacturing process, process technology.
In the automobile lamp part, the functional form structural member that aluminium alloy light modulation carriage support is rare in automobile lamp illumination regulations, has quite special requirement.Characteristics such as this product has wall thickness, die cavity is dark, deformation coefficient is big, complex structure.In the formed product process, performances such as the motion sealing of mold mechanism, synchronized positioning there is very high requirement, overlap just will not occur, lacked material, owe uncertain factors such as casting, bubble, shrink, distortion.
The utility model content
The utility model technical problem to be solved provides the dark chamber of a kind of thin-walled automobile anteposition lamp light modulation support aluminum alloy die-casting die, can improve the quality of products.
The utility model solves the technical scheme that its technical problem adopted: the dark chamber of a kind of thin-walled automobile anteposition lamp light modulation support aluminum alloy die-casting die is provided; Comprise cup type casting mechanism, product, side slide core-pulling mechanism and vacuum exhaust mechanism; Described cup type casting mechanism is positioned at an actor's rendering of an operatic tune right side of counterdie; And cup type casting mechanism bottom is communicated with the mould running channel, and vacuum exhaust mechanism is positioned at an actor's rendering of an operatic tune left side of counterdie, and an actor's rendering of an operatic tune rear side of mould is the side slide core-pulling mechanism.
In an actor's rendering of an operatic tune that described upper die and lower die are formed product is arranged.
Described patrix is installed on the counterdie.
Beneficial effect
The utility model has carried out many-sided process improving and technological innovation to mould structure, technological parameter, mold materials, condition of molding.Mould design is carried out the mold flow analysis of specialty according to product structure characteristic, uses state-of-the-art CAD/CAE software, with the mold cavity layout of product, casting system, gas extraction system, cold burden system, ejection system perfect adaptation in one.The virtual emulation means of science have showed later stage actual process condition and situation in advance, and the common process gimmick that stopped repetition test, repeats to revise has promoted design efficiency, also provide cost savings simultaneously, for the stability of product quality is laid a solid foundation.
Mould structure is technological efficiently: this mould has adopted two succinct template die structures, integrates mould bases, framed, and the rigidity that has increased mould has guaranteed the integral uniform property of mould external structure again, reduces the error that is produced in repeating to assemble.Architectural feature to the car light light modulation support of novelty has adopted the innovation of one group of slide block of a width of cloth mould to optimize structure, and has saved mechanisms such as mold insert, jacking block, taper pin, increases mould inside stability of structure and high rigidity.
Description of drawings
Fig. 1 is the utility model counterdie sketch map.
Fig. 2 is the utility model patrix sketch map.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Like Fig. 1~2, the dark chamber of a kind of thin-walled automobile anteposition lamp light modulation support aluminum alloy die-casting die comprises cup type casting mechanism 1; Product 2; Side slide core-pulling mechanism 3 and vacuum exhaust mechanism 4, described cup type casting mechanism 1 is positioned at an actor's rendering of an operatic tune right side of counterdie, and cup type casting mechanism 1 bottom is communicated with the mould running channel; Vacuum exhaust mechanism 4 is positioned at an actor's rendering of an operatic tune left side of counterdie, and an actor's rendering of an operatic tune rear side of mould is a side slide core-pulling mechanism 3.
In an actor's rendering of an operatic tune that described upper die and lower die are formed product 2 is arranged.
Described patrix is installed on the counterdie.
The power of slide block has adopted mechanical angle oriented post, rearmounted adjustable springs power, has abandoned the complicated oil cylinder kind of drive.Thereby reduced the coefficient of friction between the mechanism, slide block bumps that to wear the face position more accurate when making mould closes, and the moulding operating mode is more steady, has improved product overlap, burr phenomena.And the inner crisscross elongated thin-walled reinforcement of mold cavity, the hot shrinkage effect of aluminium alloy to the extremely strong power of holding tightly of having of mould, therefore eject with core mechanism and have selected the SKD61 material of hardness up to 65 degree when ejecting.
This product is in forming process, and die casting must bear that the continuous high-temperature liquid state of repetition washes away, high-pressure closing squeezes and penetrates, hot cold temperature cycles, serial high-frequency activity such as powerful release, and mold mechanism and material have been proposed strict requirement.Therefore, this product mold die cavity has adopted Sweden's import 8407 aluminum alloy die-casting die special steels, its excellent ductility, do the temperature fatigue cracking, to do excellent performance such as washing away fission, plastic deformation most important to die cast.
(1) in Technology for Heating Processing, 2 vacuum nitriding tempering processing, 24 hours room temperature ageing pattern have guaranteed mould strength and life-span fully.The change of its interior tissue makes die surface hardness reach the height of 52 degree.Especially the crisscross elongated shape thin-walled of this mould, minimum corner radii, ultra dark moulding material level, the curved surface of abnormity distortion must adopt hardness to process with long and thin cutter up to the carbide alloy of 65 degree.Reducing conventional later stage electric pulse processing and heavy grinding and polishing process, thereby obtained outstanding surface quality, roughness reached especially 0.035 be similar to minute surface effect.
(2) good mold performance is for die cast in the volume production provides abundant sound assurance.Two template die mould bases rational in infrastructure utilize original datum level and datum hole installation on the framework to settle at one go, have reduced clamping difficulty and debug time, reduce labor intensity of operating personnel.In conjunction with full automatic aluminium ingot light diesel oil melting furnace, constant temperature electric furnace insulation solution, the automatic soup feeding machine of hand type, infrared induction folding mould, mechanical arm-type pickup machine, chain-type conveyer belt are in the full-automatic flexible production line of one.The advanced theory of modern times manufacturing and lean production is all embodied, also responded the already energy-saving and cost-reducing aim of green manufacturing.A whole set of die casting flow process is reduced to 1 present people from original 3 operating personnel posies; By 1000 of original overall output per manshift less thaies; Be increased to present 1500; Product percent of pass is also present 98.8% from rising to less than 90% straight line of conventional common process, and for production has reduced cost, more company's upgrading transition provides strong guarantee.

Claims (3)

1. the dark chamber of thin-walled automobile anteposition lamp light modulation support aluminum alloy die-casting die; Comprise cup type casting mechanism (1); Side slide core-pulling mechanism (3) and vacuum exhaust mechanism (4) is characterized in that: described cup type casting mechanism (1) is positioned at an actor's rendering of an operatic tune right side of counterdie, and cup type casting mechanism (1) bottom is communicated with the mould running channel; Vacuum exhaust mechanism (4) is positioned at an actor's rendering of an operatic tune left side of counterdie, and an actor's rendering of an operatic tune rear side of mould is side slide core-pulling mechanism (3).
2. the dark chamber of a kind of thin-walled according to claim 1 automobile anteposition lamp light modulation support aluminum alloy die-casting die is characterized in that: in an actor's rendering of an operatic tune that described upper die and lower die are formed product (2) is arranged.
3. the dark chamber of a kind of thin-walled according to claim 1 automobile anteposition lamp light modulation support aluminum alloy die-casting die, it is characterized in that: described patrix is installed on the counterdie.
CN2011205595956U 2011-12-28 2011-12-28 Thin-wall and deep-cavity aluminum alloy die-casting die for light dimming support for automobile headlight Expired - Fee Related CN202398797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205595956U CN202398797U (en) 2011-12-28 2011-12-28 Thin-wall and deep-cavity aluminum alloy die-casting die for light dimming support for automobile headlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205595956U CN202398797U (en) 2011-12-28 2011-12-28 Thin-wall and deep-cavity aluminum alloy die-casting die for light dimming support for automobile headlight

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CN202398797U true CN202398797U (en) 2012-08-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104325112A (en) * 2014-10-23 2015-02-04 宁波华朔模具机械有限公司 Die structure for production of automobile inner bracket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104325112A (en) * 2014-10-23 2015-02-04 宁波华朔模具机械有限公司 Die structure for production of automobile inner bracket
CN104325112B (en) * 2014-10-23 2016-04-06 宁波华朔模具机械有限公司 A kind of mould structure for the production of automobile inner support

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120829

Termination date: 20171228