CN204770478U - Die casting machine adjusting nut's casting mould - Google Patents

Die casting machine adjusting nut's casting mould Download PDF

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Publication number
CN204770478U
CN204770478U CN201520289288.9U CN201520289288U CN204770478U CN 204770478 U CN204770478 U CN 204770478U CN 201520289288 U CN201520289288 U CN 201520289288U CN 204770478 U CN204770478 U CN 204770478U
Authority
CN
China
Prior art keywords
mould
die
adjusting nut
die cavity
sprue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520289288.9U
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Chinese (zh)
Inventor
王和迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Heng Cheng Science And Technology Co Ltd
Original Assignee
Guangdong Heng Cheng Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Heng Cheng Science And Technology Co Ltd filed Critical Guangdong Heng Cheng Science And Technology Co Ltd
Priority to CN201520289288.9U priority Critical patent/CN204770478U/en
Application granted granted Critical
Publication of CN204770478U publication Critical patent/CN204770478U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a die casting machine adjusting nut's casting mould, the drill die comprises a die body, the mould body includes mould and lower mould, it corresponds the die cavity that the mould is divided to the axial with adjusting nut to go up to be equipped with between mould and the lower mould, upward be provided with the sprue on the mould, be provided with on the lower mould and be connected to die cavity bottom and water in, the sprue waters in with through a cross gate to be connected, the axial is provided with the psammitolite in the die cavity, the parcel is provided with an iron core in this psammitolite, form rising pouring mould structure in order to add the psammitolite method of putting, it adds and puts the chill to water the region including and, guarantee the temperature balance, for the overheated region of better dispersion, the utilization is covered the sand iron core and is cooled off, the regional compactness of thread in ensureing, adopt behind the mould after improving, dissect through multiple sampling and eliminated the sbrinkage blowhole defect basically, the bad defect rate < 1% in processing back, and the rate of finished products is greatly increased, gain obvious economic benefits.

Description

The casting mould of die casting machine adjusting nut
Technical field
The utility model relates to a kind of casting mould of die casting machine adjusting nut.
Background technology
Adjusting nut (as Fig. 1) is die casting machine heavy duty parts, full processing car internal screw thread (4mm), foundry goods needs nitrogen treatment, requires that nitrogen treatment rear surface hardness reaches 38-45HRC, foundry goods body consistency requirements is high especially, requires without casting flaws such as shrinkage porosite pin hole soften; Material is QT500-7, the complicated became uneven of casting structure, thermal center is concentrated, rear flange is processed and shrinkage porosite (as Fig. 2) in various degree appears in cylindrical shell junction root in production, foundry goods is caused to scrap, process yield only 69%, and many moneys type all has similar mass defect, does not all reach to ideal effect through repeatedly improving.
Fig. 3, Fig. 4 are the casting mould schematic diagrames of traditional adjusting nut, and because nut structure somatotype section is in abundant region, ingate also designs at this region formation thermal center too concentrated, can not get consecutive solidification, form liquid shrinkage cavity when iron liquid solidifies.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of casting mould of die casting machine adjusting nut.
The utility model solves the technical scheme that its technical problem adopts:
The casting mould of die casting machine adjusting nut, comprise die ontology, described die ontology comprises upper die and lower die, the die cavity of corresponding with adjusting nut and axial parting is provided with between described upper die and lower die, described patrix is provided with sprue, described counterdie is provided with the ingate being connected to cavity bottom, described sprue is connected with ingate by a cross gate, in die cavity, be axially provided with core, in this core, parcel is provided with an iron core.
In the bottom of die cavity and ingate junction, chill is set.
Described die ontology is provided with four die cavities, and these four die cavities are corner distribution, and described sprue is arranged on four die cavity center positions.
Described cross gate is arranged on the lower surface of patrix.
The beneficial effects of the utility model are: the casting mould of die casting machine adjusting nut, comprise die ontology, described die ontology comprises upper die and lower die, the die cavity of corresponding with adjusting nut and axial parting is provided with between described upper die and lower die, described patrix is provided with sprue, described counterdie is provided with the ingate being connected to cavity bottom, described sprue is connected with ingate by a cross gate, axially core is provided with in die cavity, in this core, parcel is provided with an iron core, rising pouring mould structure is formed to place core method, and place chill in ingate region, ensure equalized temperature, for disperseing superheat region preferably, utilization is covered placer iron core and is cooled, guarantee the compactness in internal screw thread region, after adopting the mould after improving, dissect through multiple sampling and essentially eliminate sbrinkage blowhole defect, bad ratio of defects < 1% after processing, substantially increase yield rate, obtain obvious economic benefit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the schematic cross-section of backstay;
Fig. 2 is the sbrinkage blowhole schematic diagram of backstay;
Fig. 3 is one of mould schematic diagram of traditional backstay;
Fig. 4 is the mould schematic diagram two of traditional backstay;
Fig. 5 is the schematic cross-section of die cavity of the present invention;
Fig. 6 is the schematic cross-section of patrix of the present invention;
Fig. 7 is the schematic cross-section of counterdie of the present invention.
Detailed description of the invention
With reference to Fig. 5 to Fig. 7, Fig. 5 to Fig. 7 is the structural representation of the utility model specific embodiment, as shown in the figure, the casting mould of die casting machine adjusting nut, comprise die ontology, described die ontology comprises patrix 1 and counterdie 2, the die cavity 3 of corresponding with adjusting nut and axial parting is provided with between described patrix 1 and counterdie 2, described patrix 1 is provided with sprue 51, described counterdie 2 is provided with the ingate 53 be connected to bottom die cavity 3, described sprue 51 is connected with ingate 53 by a cross gate 52, axially core 31 is provided with in die cavity 3, in this core 31, parcel is provided with an iron core 32.
As preferably, at die cavity 3 and the bottom of ingate 53 junction, chill 54 is set, to balance the temperature between die cavity 3 and ingate 53.
As preferably, in the present embodiment, described die ontology is provided with four die cavities 3, and the distribution in corner of these four die cavities 3, described sprue 51 is arranged on four die cavity 3 center positions.
As preferably, as shown in the figure, described cross gate 52 is arranged on the lower surface of patrix 1.
The casting technique of die casting machine adjusting nut, comprises the following steps:
Arbitrary described casting mould in step one, making Claims 1-4, patrix 1, counterdie 2, sprue 51, cross gate 52, ingate 53 is produced by molding sand in moulding box, and make core 31, iron core 32 is wrapped in core 31, places chill 54 at die cavity 3 and the bottom of ingate 53 junction;
Step 2, molten iron, dissolve ferriferous raw material in a furnace;
Step 3, nodularization, pour into molten iron in casting ladle, and molten iron temperature adds nodulizer 1430 ± 20 DEG C time, and this nodulizer addition is the 1.23%-1.27% of molten steel quality, and described nodulizer is preferably rare earth magnesium nodularizer;
Step 4, molten steel preparation, add inovulant in molten iron, and the component of inovulant is the 0.6%-0.8% of molten steel quality;
Step 5, cast, vertically-arranged die ontology, pours molten iron into from sprue, pouring temperature 1320 ± 20 DEG C, 10 seconds durations of pouring.
As preferably, described molding sand proportion is: fresh sand 15%, resin 1.2%, curing agent 50%, and described curing agent is resin.
The utility model forms rising pouring technique to place core method, and place chill in ingate region, ensure equalized temperature, for disperseing superheat region preferably, the technique that iron core is set in core is utilized to cool, guarantee the compactness in internal screw thread region, and control pouring temperature and the duration of pouring, after adopting the technique after improving, dissect through multiple sampling and essentially eliminate sbrinkage blowhole defect, bad ratio of defects < 1% after processing, substantially increases yield rate, obtains obvious economic benefit.
More than that better enforcement of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.

Claims (4)

1. the casting mould of die casting machine adjusting nut, comprise die ontology, it is characterized in that: described die ontology comprises patrix (1) and counterdie (2), the die cavity (3) of corresponding with adjusting nut and axial parting is provided with between described patrix (1) and counterdie (2), described patrix (1) is provided with sprue (51), described counterdie (2) is provided with the ingate (53) being connected to die cavity (3) bottom, described sprue (51) is connected with ingate (53) by a cross gate (52), axially core (31) is provided with in die cavity (3), in this core (31), parcel is provided with an iron core (32).
2. the casting mould of die casting machine adjusting nut according to claim 1, is characterized in that: arrange chill (54) at die cavity (3) and the bottom of ingate (53) junction.
3. the casting mould of die casting machine adjusting nut according to claim 1, it is characterized in that: described die ontology is provided with four die cavities (3), these four die cavities (3) distribute in corner, and described sprue (51) is arranged on four die cavity (3) center positions.
4. the casting mould of die casting machine adjusting nut according to claim 1, is characterized in that: described cross gate (52) is arranged on the lower surface of patrix (1).
CN201520289288.9U 2015-05-06 2015-05-06 Die casting machine adjusting nut's casting mould Expired - Fee Related CN204770478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520289288.9U CN204770478U (en) 2015-05-06 2015-05-06 Die casting machine adjusting nut's casting mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520289288.9U CN204770478U (en) 2015-05-06 2015-05-06 Die casting machine adjusting nut's casting mould

Publications (1)

Publication Number Publication Date
CN204770478U true CN204770478U (en) 2015-11-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520289288.9U Expired - Fee Related CN204770478U (en) 2015-05-06 2015-05-06 Die casting machine adjusting nut's casting mould

Country Status (1)

Country Link
CN (1) CN204770478U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104785720A (en) * 2015-05-06 2015-07-22 广东恒成科技股份有限公司 Casting die and casting process of die-casting machine adjusting nut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104785720A (en) * 2015-05-06 2015-07-22 广东恒成科技股份有限公司 Casting die and casting process of die-casting machine adjusting nut

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C14 Grant of patent or utility model
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: 20151118

Termination date: 20210506