CN106563783A - Die casting die and demolding method thereof - Google Patents

Die casting die and demolding method thereof Download PDF

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Publication number
CN106563783A
CN106563783A CN201610832653.5A CN201610832653A CN106563783A CN 106563783 A CN106563783 A CN 106563783A CN 201610832653 A CN201610832653 A CN 201610832653A CN 106563783 A CN106563783 A CN 106563783A
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CN
China
Prior art keywords
core
cover
dynamic
die
elastic component
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CN201610832653.5A
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Chinese (zh)
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CN106563783B (en
Inventor
包利利
胡玉林
沈小峰
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上海晋拓金属制品有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2236Equipment for loosening or ejecting castings from dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/26Mechanisms or devices for locking or opening dies
    • B22D17/263Mechanisms or devices for locking or opening dies mechanically

Abstract

The invention discloses a die casting die and a demolding method thereof. The die casting die comprises a fixed die frame, a fixed die core, a movable die frame and a movable die core. The fixed die core and the movable die core are mutually buckled. Cavities are formed in the fixed die core and the movable die core. The fixed die core is wrapped by the fixed die frame. The movable die core is wrapped by the movable die frame. The die casting die further comprises a fixed die oblique core, a movable die oblique core, a fixed die elastic piece, a movable die elastic piece, a fixed die pressing piece and a movable die sliding block. The fixed die oblique core and the movable die oblique core are driven for core pulling through pop-up force of the fixed die elastic piece and the movable die elastic piece, the structure of the die casting die is greatly simplified, and accordingly forming of two holes in a product is conveniently finished during casting.

Description

Die casting and its release method
Technical field
The present invention relates to mould and its release method, more particularly to a kind of die casting and its release method.
Background technology
Shaver, also known as razor, is the knife for shaving, and is most occurred early in 1800, but due to using upper easy Hurt sb.'s feelings, needs spread the maceration Hu slag that shaves to strike off.After continuous evolution, shaver becomes more convenient, such as electricity The invention of dynamic shaver, and asymmetric head (asymmetric cutter head) are the main components on shaver, for product Outward appearance and dimensional requirement it is high.Fig. 1 shows a kind of schematic diagram of asymmetric head (asymmetric cutter head), existing skill In art, two circular holes on asymmetric head (asymmetric cutter head) cannot be formed in casting, it is necessary to after the completion of casting Finished by drill bit, it is loaded down with trivial details so to allow for technique, consumes time and cost.
The content of the invention
The technical problem to be solved in the present invention is to overcome prior art to cast out two on asymmetric cutter head The defect of circular hole, there is provided a kind of die casting and its release method.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of die casting, includes a model frame, certain core rod, a dynamic model frame, a moving-mould-core, cover half core and moving-mould-core Mutually it is interlocked, cover half core and dynamic model in-core are formed with die cavity, and model frame is coated on outside cover half core, and dynamic model frame is coated on moving-mould-core Outside, its feature is,
Die casting also include the oblique core of a cover half, the oblique core of a dynamic model, a cover half elastic component, a dynamic model elastic component, one Cover half compressing member, a dynamic model slide block,
The oblique core of cover half is inserted into die cavity through model frame and cover half core, cover half elastic component be located at model frame and cover half core it Between and be enclosed within the oblique core of cover half, the ejection power of cover half elastic component can extract die cavity, cover half compressing member out with the oblique core of active and inactive mold Compress the oblique core of cover half.
The oblique core of dynamic model is inserted into die cavity through dynamic model frame and moving-mould-core, dynamic model elastic component be located at dynamic model frame and moving-mould-core it Between and be enclosed within the oblique core of dynamic model, the ejection power of dynamic model elastic component can drive the oblique core of dynamic model to extract die cavity, dynamic model slide block pressure out The oblique core of tight dynamic model.
It is preferred that the part of the oblique core of cover half and the oblique core insertion die cavity of dynamic model is cylinder.So form product Two circular holes.
It is preferred that the oblique core outer end of cover half has boss, the diameter with diameter greater than cover half elastic component of boss, fixed mould elastic One end of property part is against boss, outer wall of the other end against cover half core.So it is easy to the ejection power band active and inactive mold of cover half elastic component Tiltedly core core pulling.
It is preferred that the oblique core outer end of dynamic model has boss, the diameter with diameter greater than dynamic model elastic component of boss, dynamic model bullet One end of property part is against boss, outer wall of the other end against moving-mould-core.The ejection power for being so easy to dynamic model elastic component drives dynamic model Tiltedly core core pulling.
It is preferred that also respectively there is a block pressur plate outside model frame and dynamic model frame, pressing plate is indirectly by cover half elastic component and dynamic model Elastic component is compressed.So preferably die casting integrally can be compressed.
It is preferred that model frame and with model frame close to pressing plate between have die sinking elastic component.So it is easy to model frame with pressure The separation of plate, is further easy to the ejection of the oblique core of cover half.
The present invention positive effect be:The present invention drives by the ejection power of cover half elastic component and dynamic model elastic component The oblique core of cover half and the oblique core core pulling of dynamic model, enormously simplify structure of cast die, complete on product in casting so as to convenient The shaping in two holes.
Description of the drawings
Fig. 1 is the schematic diagram of asymmetric cutter head.
Fig. 2 is the schematic perspective view of present pre-ferred embodiments.
Fig. 3 is the internal structure schematic diagram of present pre-ferred embodiments.
Fig. 4 is present pre-ferred embodiments release method schematic diagram.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to described reality Among applying a scope.
Fig. 1 shows the product that the present embodiment die casting is cast, and hole 15 can be in the die casting of the present embodiment Directly cast form.The die casting of the present embodiment, as shown in Figures 2 and 3, includes model frame 1, cover half core 3, dynamic model frame 2, Moving-mould-core 4, cover half core 3 and moving-mould-core 4 are mutually interlocked, and in cover half core 3 and moving-mould-core 4 die cavity 5 is formed with, and model frame 1 is coated on Outside cover half core 3, dynamic model frame 2 is coated on outside moving-mould-core 4, and die casting also includes the oblique core 7 of cover half, and the oblique core 8 of dynamic model is fixed Mould elastic component 9, dynamic model elastic component 10, cover half compressing member 11, dynamic model slide block 12, the oblique core 7 of cover half is through model frame 1 and cover half core 3 are inserted into die cavity 5, and cover half elastic component 9 is located between model frame 1 and cover half core 3 and is enclosed within the oblique core 7 of cover half, cover half elasticity The ejection power of part 9 can extract die cavity 5 out with the oblique core 7 of active and inactive mold, and cover half compressing member 11 compresses the oblique core 7 of cover half.
The oblique core 8 of dynamic model is inserted into die cavity 5 through dynamic model frame 2 and moving-mould-core 4, and dynamic model elastic component 10 is located at the He of dynamic model frame 2 Between moving-mould-core 4 and it is enclosed within the oblique core 8 of dynamic model, the ejection power of dynamic model elastic component 10 can drive the oblique extraction type of core 8 of dynamic model Chamber 5, the oblique core 8 of the tight dynamic model of dynamic model slide block pressure 12.
In the present embodiment, the part of the oblique core 7 of cover half and the oblique insertion of core 8 die cavity of dynamic model is cylinder, so as to be formed The hole 15 of shown cast article in FIG.Because the die casting part of the present embodiment is a lot, open up in die casting outer wall Cored hole can make the structure of die casting become extremely complex, by cover half elastic component 9 and the ejection power band of dynamic model elastic component 10 The oblique core 7 of active and inactive mold and dynamic model oblique core 8 core pulling can greatly simplify structure of cast die, and hole is completed in casting so as to convenient 15 shaping.
For ease of ejection power band active and inactive mold oblique core 7 core pulling of cover half elastic component 9, the oblique outer end of core 7 of cover half has convex Platform 6, the diameter with diameter greater than cover half elastic component 9 of boss 6, against boss 6, the other end is against calmly for one end of cover half elastic component 9 The outer wall of core rod 3.In the same manner, the ejection power for ease of dynamic model elastic component 10 drives dynamic model oblique core 8 core pulling, outside the oblique core 8 of dynamic model End has a boss 6, the diameter with diameter greater than dynamic model elastic component 10 of boss 6, one end of dynamic model elastic component 10 against boss 6, Outer wall of the other end against moving-mould-core 4.
Preferably integrally to compress die casting, die casting also includes pressing plate, and pressing plate includes the He of cover half pressing plate 13 Dynamic model pressing plate 14.Cover half pressing plate 13 is provided with outside model frame 1, outside the square iron 16 outside dynamic model frame 2 dynamic model pressing plate is provided with 14.Cover half pressing plate 13 compresses cover half compressing member 11, and cover half compressing member 11 compresses the oblique core 7 of cover half, and now cover half elastic component 9 is in Impaction state, cover half elastic component 9 tends to for the oblique core 7 of cover half to eject die cavity 5.Dynamic model pressing plate 14 compresses square iron 16, square iron 16 Dynamic model frame 2 is compressed, dynamic model frame 2 compresses dynamic model slide block 12, and dynamic model slide block 12 compresses the oblique core 8 of dynamic model, now dynamic model elastic component 10 In impaction state, dynamic model elastic component 10 tends to for the oblique core 8 of dynamic model to eject die cavity 5.
Optionally, there is die sinking elastic component between model frame 1 and cover half pressing plate 13, die sinking elastic component is in figure Not shown, when die sinking, this die sinking elastic component can make to flick about 2 centimetres between model frame 1 and cover half pressing plate 13 Distance, is more convenient the ejection of the oblique core 7 of cover half.
As shown in figure 4, a kind of release method of above-mentioned die casting, the release method is comprised the following steps:
Step 111, after the completion of above-mentioned die casting shoots material, pressurizes, cover half core 3 and moving-mould-core 4 by die casting machine band Start die sinking under dynamic;
After step 222, cover half core 3 and moving-mould-core 4 are molded, cover half pressing plate 13 is separated with model frame 1, and cover half pressing plate 13 will be fixed The band of mould compressing member 11 is opened, and dynamic model slide block 12 is extracted out along dynamic model its length direction;
Step 333, cover half elastic component 9 extract die cavity 5 out with the oblique core 7 of active and inactive mold, and dynamic model elastic component 10 drives the oblique type of dynamic model Core 8 extracts die cavity 5 out, and so far die casting is molded completely;
Step 444, cover half core 3 and moving-mould-core 4 continue to separate, and the oblique core 7 of cover half and the oblique core 8 of dynamic model are extracted out, using top Pin 17 ejects product, departs from die cavity 5, is then gone out product clip with hawkbill, is placed on tote cart.
Ejection power band active and inactive mold oblique core and dynamic model oblique core of the present embodiment by cover half elastic component and dynamic model elastic component Core pulling, enormously simplify structure of cast die, so as to the convenient shaping that two holes on product are completed in casting.
Although the specific embodiment of the present invention is the foregoing described, it will be appreciated by those of skill in the art that this is only It is to illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art without departing substantially from On the premise of the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes and Modification each falls within protection scope of the present invention.

Claims (7)

1. a kind of die casting, includes a model frame, certain core rod, a dynamic model frame, a moving-mould-core, the cover half core and described Moving-mould-core is mutually interlocked, and the cover half core and the dynamic model in-core are formed with die cavity, and the model frame is coated on the cover half core Outside, the dynamic model frame is coated on outside the moving-mould-core, it is characterised in that
The die casting also include the oblique core of a cover half, the oblique core of a dynamic model, a cover half elastic component, a dynamic model elastic component, one Cover half compressing member, a dynamic model slide block,
The oblique core of the cover half is inserted into the die cavity through the model frame and the cover half core, and the cover half elastic component is located at Between the model frame and the cover half core and it is enclosed within the oblique core of the cover half, the ejection power of the cover half elastic component being capable of band Move the oblique core of the cover half and extract the die cavity out, the cover half compressing member compresses the oblique core of the cover half;
The oblique core of the dynamic model is inserted into the die cavity through the dynamic model frame and the moving-mould-core, and the dynamic model elastic component is located at Between the dynamic model frame and the moving-mould-core and it is enclosed within the oblique core of the dynamic model, the ejection power of the dynamic model elastic component being capable of band Move the oblique core of the dynamic model and extract the die cavity out, the dynamic model slide block compresses the oblique core of the dynamic model.
2. die casting as claimed in claim 1, it is characterised in that the oblique core of cover half and the oblique core insertion of the dynamic model The part of the die cavity is cylinder.
3. die casting as claimed in claim 1, it is characterised in that the oblique core outer end of the cover half has boss, described The diameter with diameter greater than the cover half elastic component of boss, against the boss, the other end is supported for one end of the cover half elastic component By the outer wall of the cover half core.
4. die casting as claimed in claim 1, it is characterised in that the oblique core outer end of the dynamic model has boss, described The diameter with diameter greater than the dynamic model elastic component of boss, against the boss, the other end is supported for one end of the dynamic model elastic component By the outer wall of the moving-mould-core.
5. die casting as claimed in claim 1, it is characterised in that also respectively have outside the model frame and the dynamic model frame Block pressur plate, the pressing plate indirectly compresses the cover half elastic component and the dynamic model elastic component.
6. die casting as claimed in claim 5, it is characterised in that the model frame and with the model frame close to described in There is die sinking elastic component between pressing plate.
7. a kind of release method, it is characterised in that the release method is comprised the following steps:
Step one, after the completion of the die casting as described in any one in claim 1 to 6 shoots material, pressurizes, the cover half core Start die sinking with the moving-mould-core;
Step 2, the cover half compressing member band are opened, and the dynamic model slide block is extracted out;
Step 3, the cover half elastic component drive the oblique core of the cover half to extract the die cavity out, and the dynamic model elastic component drives institute State the oblique core of dynamic model and extract the die cavity out;
Step 4, the cover half core and the moving-mould-core separate, and the oblique core of cover half and the oblique core of the dynamic model are extracted out, are utilized Thimble ejects product, departs from the die cavity.
CN201610832653.5A 2016-09-19 2016-09-19 Die casting and its release method Active CN106563783B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH084910B2 (en) * 1993-06-08 1996-01-24 リョービ株式会社 Die-casting die core pin plate drawing device
CN201989297U (en) * 2010-12-27 2011-09-28 牟维军 Mould mechanism with effect of pulling inside oblique core by spring and oblique press block
CN202911086U (en) * 2012-10-09 2013-05-01 天津市柯文制模注塑有限公司 Demoulding and separating structure of fixed mould
CN103464717A (en) * 2013-05-15 2013-12-25 宁波北仑大港科技创新服务中心 Die casting die with two-stage joint core pulling structure
CN203844149U (en) * 2014-05-24 2014-09-24 牟维军 Mould mechanism of pulling-side inclined mould core of inclined guide column
CN204724826U (en) * 2015-06-15 2015-10-28 宁波东浩铸业有限公司 A kind of mould for die casting full-sized car starter motor shell

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH084910B2 (en) * 1993-06-08 1996-01-24 リョービ株式会社 Die-casting die core pin plate drawing device
CN201989297U (en) * 2010-12-27 2011-09-28 牟维军 Mould mechanism with effect of pulling inside oblique core by spring and oblique press block
CN202911086U (en) * 2012-10-09 2013-05-01 天津市柯文制模注塑有限公司 Demoulding and separating structure of fixed mould
CN103464717A (en) * 2013-05-15 2013-12-25 宁波北仑大港科技创新服务中心 Die casting die with two-stage joint core pulling structure
CN203844149U (en) * 2014-05-24 2014-09-24 牟维军 Mould mechanism of pulling-side inclined mould core of inclined guide column
CN204724826U (en) * 2015-06-15 2015-10-28 宁波东浩铸业有限公司 A kind of mould for die casting full-sized car starter motor shell

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Address after: 201605 Shanghai city Songjiang District Xinbang Industrial Park No. 368 Hu Lulu

Patentee after: Jintuo Technology Co., Ltd

Address before: 201605 Shanghai city Songjiang District Xinbang Industrial Park No. 368 Hu Lulu

Patentee before: SHANGHAI JINTUO METAL PRODUCTS Co.,Ltd.

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