CN102626775B - Center feeding die-casting mold - Google Patents
Center feeding die-casting mold Download PDFInfo
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- CN102626775B CN102626775B CN 201210057670 CN201210057670A CN102626775B CN 102626775 B CN102626775 B CN 102626775B CN 201210057670 CN201210057670 CN 201210057670 CN 201210057670 A CN201210057670 A CN 201210057670A CN 102626775 B CN102626775 B CN 102626775B
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Abstract
The invention relates to the field of die-casting molds and aims at providing a center feeding die-casting mold enabling a die-casting piece to be close in strength in all directions and not apt to deform or discard. The center feeding die-casting mold comprises a fixed mold, a moving mold, a runner system and a plurality of ejector rods located at the position of the moving mold. The fixed mold and the moving mold are enclosed to form a plurality of annular mold cavities. The runner system comprises a material barrel, cross runners and feeding runners with the same number as the mold cavities. At least two feeding ports evenly distributed in the circumferential directions are arranged outside the feeding runners which are coaxial with the mold cavities, the feeding ports are communicated with the inner circumferences of the mold cavities, and the material barrel is communicated with the feeding runners through the cross runners. The center feeding die-casting mold enables the die-casting piece to be close in strength in all directions and not apt to deform or discard.
Description
Technical field
The present invention relates to the die casting field, especially a kind of die casting each to intensity approach, die casting is not easy the central feeding compression mod that produces distortion and scrap.
Background technology
The die casting that some ring-types and peripheral shape are more complicated, several fin are arranged and the LED lighting device radiator of several precasting through holes is circumferentially arranged on end face as peripheral distribution, if these aluminum alloy die castings adopt general flow passage system to carry out die casting, die casting each to intensity can be variant, die casting easily produces distortion and even produces and scrap; The disclosure of the invention of Chinese patent notification number CN201776428U a kind of runner plate for rotor die-casting mold, include plate, hole, four mould positions is arranged on plate, hole, described mould position is arranged in array, one side in hole, mould position has the runnerless injection hole, the runnerless injection hole is connected with hole, four mould positions respectively by runner, and there is locating hole at the edge of plate.The runnerless injection hole of this compression mod is the side that charging aperture is positioned at hole, mould position periphery, be used for some ring-types and the more complicated die casting of peripheral shape as LED lighting device radiating piece, exist die casting each to intensity can be variant, die casting easily produces distortion and even produces the deficiency of scrapping; Therefore, design a kind of die casting each to intensity approach, die casting is not easy the central feeding compression mod that produces distortion and scrap, becomes problem demanding prompt solution.
Summary of the invention
The objective of the invention is to be positioned at for the charging aperture of the compression mod that overcomes the more complicated die casting of present ring-type and peripheral shape a side in hole, mould position, exist die casting each to intensity can be variant, die casting easily produces distortion and even produces the deficiency of scrapping, provide a kind of die casting each to intensity approach, die casting is not easy the central feeding compression mod that produces distortion and scrap.
Concrete technical scheme of the present invention is:
A kind of central feeding compression mod comprises cover half, dynamic model, flow passage system and is positioned at the some push rods at dynamic model place; Described fixed half and moving half surrounds and consists of several die cavities; Described die cavity is annular die cavity; Described flow passage system comprises the charging runner that barrel, crossing current road and number equate with the die cavity number; The outside of described charging runner is provided with circumferentially uniform charging aperture of at least two edges; Described charging runner is coaxial with die cavity, the interior Zhou Liantong of charging aperture and die cavity, and barrel is communicated with the charging runner by the road that flows over.When this central feeding compression mod uses, the aluminum alloy materials of melting enters respectively the center that is positioned at each die cavity and the charging runner coaxial with die cavity through barrel, crossing current road, the charging aperture that has by each incoming flow road enters die cavity, moulding under pressure from die cavity in interior week; This central feeding compression mod make die casting each to intensity approach, die casting is not easy produce distortion and scrap.
As preferably, described crossing current road comprises the branch flow passage that sprue and number equate with the die cavity number; Described barrel is communicated with an end of branch flow passage by sprue, and the other end of branch flow passage is communicated with the charging runner.Simple and practical.
As preferably, the ratio of the total sectional area in the total sectional area of the total sectional area of described charging aperture and charging runner and crossing current road is: 1:15:20 to 1:20:30, the sectional area of barrel is greater than the total sectional area in crossing current road.The sectional area of charging aperture the time easily separates with die casting in pushing off the slag and cleaning than minor benefit, and the sectional area of crossing current road and charging runner is beneficial to more greatly aluminum alloy materials that pushing off the slag and thermal capacity is beneficial to more greatly melting and enters and be full of die cavity.
As preferably, described dynamic model comprises the mavable module core that dynamic model seat and number equate and are fixedly connected with the dynamic model seat with the die cavity number; Described cover half comprises the pressing plate that fixed mold core, fixed head, cover plate, at least one spacing guide pin, several stage clips and number that solid plate, number equate with the mavable module core number equate with the stage clip number; Described fixed mold core is positioned at solid plate and corresponding with mavable module core, and fixed head is pushed down fixed mold core and is fixedly connected with solid plate; Each fixed mold core surrounds with a corresponding mavable module core and consists of a die cavity; Described cover plate is provided with the through hole that number and stage clip number equate and run through two ends; Described stage clip is positioned at through hole and an end contacts with solid plate, and pressing plate is pushed down the other end of stage clip and is fixedly connected with the other end of cover plate; Described spacing guide pin be shaped as multidiameter shape; The end that the dynamic model seat is relative with solid plate is provided with the outside diameter coupling of diameter and spacing guide pin and length greater than the counterbore of the length of the large end of spacing guide pin, and solid plate is provided with the guide hole that the end diameter that runs through two ends and diameter and spacing guide pin mates; Described spacing guide pin is positioned at counterbore, and the small end of spacing guide pin passes guide hole and is fixedly connected with cover plate; Described barrel is positioned at cover plate, and the road that flows over is positioned at an end relative with solid plate of cover plate; Described charging runner be shaped as taper type, the charging runner is positioned at fixed mold core, the small end of charging runner is positioned at an end relative with cover plate of fixed mold core, charging aperture is positioned at the large end of charging runner.When this central feeding compression mod uses, when the aluminum alloy materials of melting enters after die cavity moulding under pressure the demoulding material returned; Dynamic model motion separates with cover half, is positioned at the stage clip release of the through hole of cover plate, under the stage clip effect, solid plate is separated with cover plate, breaks being connected of charging runner and cross gate, and the frictional force between dependence foundry goods and die cavity is stayed in dynamic model die casting; Startup liftout system promotes push rod and ejects die casting; Spacing guide pin is used for limiting the separating distance of solid plate and cover plate.The dynamic model of this central feeding compression mod and fixed mould structure can make the demoulding material returned carry out in two steps, and the demoulding material returned is convenient; Mavable module core and fixed mold core have several convenient single maintenance or replacings and reduce costs.
As preferably, the in a row arrangement corresponding with fixed mold core of described mavable module core.The convenient making.
As preferably, the end that described dynamic model is relative with cover half is provided with the exhaust duct that some the sides with dynamic model connect.Be beneficial to exhaust.
As preferably, described exhaust duct is arranged side by side, and the two ends of exhaust duct connect with the relative dual-side of dynamic model respectively.The two ends that make the operator avoid exhaust duct guarantee safety.
Compared with prior art, the invention has the beneficial effects as follows: one. this central feeding compression mod make die casting each to intensity approach, die casting is not easy produce distortion and scrap.Two. the dynamic model of this central feeding compression mod and fixed mould structure can make the demoulding material returned carry out in two steps, and the demoulding material returned is convenient; Mavable module core and fixed mold core have several convenient single maintenance or replacings and reduce costs; The convenient making of mavable module core in a row arrangement corresponding with fixed mold core.Three. flow passage system is simple and practical; The sectional area of charging aperture the time easily separates with die casting in pushing off the slag and cleaning than minor benefit, and the sectional area of crossing current road and charging runner is beneficial to more greatly aluminum alloy materials that pushing off the slag and thermal capacity is beneficial to more greatly melting and enters and be full of die cavity.Four. exhaust duct is beneficial to exhaust, and exhaust duct is arranged side by side and two ends connect with the relative dual-side of dynamic model respectively, and the two ends that make the operator avoid exhaust duct guarantee safety.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the flow passage system schematic diagram of Fig. 1;
Fig. 4 is the exhaust duct schematic diagram of Fig. 1.
In figure: push rod-1, die cavity-2, dynamic model seat-3, counterbore-31, mavable module core-4, solid plate-5, guide hole-51, fixed mold core-6, cover plate-7, through hole-71, fixed head-8, spacing guide pin-9, stage clip-10, pressing plate-11, barrel-12, flow over road-13, sprue-131, branch flow passage-132, charging runner-14, charging aperture-15, exhaust duct-16.
The specific embodiment
The present invention is described further below in conjunction with shown in accompanying drawing.
As shown in accompanying drawing 1, accompanying drawing 2: a kind of central feeding compression mod comprises cover half, dynamic model, flow passage system and is positioned at eight push rods 1 at dynamic model place; Described fixed half and moving half surrounds and consists of four die cavities 2; Described die cavity 2 is annular die cavity 2.
Described dynamic model comprises four mavable module cores 4 that dynamic model seat 3 and number and die cavity 2 numbers equate and are connected with dynamic model seat 3 screws.
Described cover half comprises four pressing plates 11 that four fixed mold cores 6 that solid plate 5, number equate with mavable module core 4 numbers, cover plate 7, fixed head 8, four spacing guide pins 9, four stage clips 10 and number equate with stage clip 10 numbers; Fixed mold core 6 is positioned at solid plate 5 and corresponding with mavable module core 4, and fixed head 8 is pushed down fixed mold core 6 and is connected with solid plate 5 screws; Each fixed mold core 6 surrounds with a corresponding mavable module core 4 and consists of a die cavity 2; Cover plate 7 has number and equates and run through four through holes 71 at two ends with stage clip 10 numbers; Stage clip 10 is positioned at through hole 71 and an end contacts with solid plate 5, and pressing plate 11 is pushed down the other end of stage clip 10 and is connected with the other end screw of cover plate 7; Spacing guide pin 9 be shaped as multidiameter shape; The end that dynamic model seat 3 is relative with solid plate 5 has the outside diameter matched in clearance of diameter and spacing guide pin 9 and length greater than four counterbores 31 of the length of spacing guide pin 9 large ends, and solid plate 5 has four guide holes 51 of the end diameter matched in clearance that runs through two ends and diameter and spacing guide pin 9; Spacing guide pin 9 is positioned at counterbore 31, and the small end of spacing guide pin 9 passes guide hole 51 and is threaded with cover plate 7.
Referring to figure three, described flow passage system comprises four charging runners 14 that barrel 12, crossing current road 13 and number equate with die cavity 2 numbers; The outside of charging runner 14 has circumferentially uniform charging aperture 15 of two edges; Barrel 12 is positioned at cover plate 7, and the road 13 that flows over is positioned at an end relative with solid plate 5 of cover plate 7; Charging runner 14 be shaped as taper type, charging runner 14 is positioned at fixed mold core 6, the small end of charging runner 14 is positioned at an end relative with cover plate 7 of fixed mold core 6, charging aperture 15 is positioned at the large end of charging runner 14; Charging runner 14 is coaxial with die cavity 2, the interior Zhou Liantong of charging aperture 15 and die cavity 2, and barrel 12 is communicated with charging runner 14 by the road 13 that flows over; In the present embodiment, described crossing current road 13 comprises four branch flow passages 132 that sprue 131 and number equate with die cavity 2 numbers; Barrel 12 is communicated with an end of branch flow passage 132 by sprue 131, and the other end of branch flow passage 132 is communicated with charging runner 14.
The sectional area of described barrel 12 is greater than the total sectional area in crossing current road 13, and the total sectional area of charging aperture 15 with the ratio of the total sectional area in the total sectional area of charging runner 14 and the road 13 that flows over is: 1:15:20 to 1:20:30; In the present embodiment, the total sectional area of described charging aperture 15 with the ratio of the total sectional area in the total sectional area of charging runner 14 and the road 13 that flows over is: 1:20:25.
Referring to figure four, the end that described dynamic model is relative with cover half has six exhaust ducts 16 that connect with the side of dynamic model; In the present embodiment, described exhaust duct 16 is arranged side by side, and the two ends of exhaust duct 16 connect with the relative dual-side of dynamic model respectively.
When this central feeding compression mod uses, the aluminum alloy materials of melting enters respectively the center that is positioned at each die cavity 2 and four the charging runners 14 coaxial with die cavity 2 through barrel 12, crossing current road 13, two charging apertures 15 that have by each charging runner 14 are from four die cavities 2, the moulding under pressure of entering respectively in interior week of die cavity 2; After die casting molding during the demoulding material returned; The dynamic model motion separates with cover half, and the stage clip 10 that is positioned at the through hole 71 of cover plate 7 discharges, under stage clip 10 effects, solid plate 5 is separated with cover plate 7, break being connected of charging runner 14 and cross gate, rely on the frictional force of 2 of foundry goods and die cavities, die casting is stayed in dynamic model; Startup liftout system promotes push rod 1 and ejects die casting; Spacing guide pin 9 is used for limiting the separating distance of solid plate 5 and cover plate 7.
The invention has the beneficial effects as follows: this central feeding compression mod make die casting each to intensity approach, die casting is not easy produce distortion and scrap.The dynamic model of this central feeding compression mod and fixed mould structure can make the demoulding material returned carry out in two steps, and the demoulding material returned is convenient; Mavable module core and fixed mold core have several convenient single maintenance or replacings and reduce costs; The convenient making of mavable module core in a row arrangement corresponding with fixed mold core.Flow passage system is simple and practical; The sectional area of charging aperture the time easily separates with die casting in pushing off the slag and cleaning than minor benefit, and the sectional area of crossing current road and charging runner is beneficial to more greatly aluminum alloy materials that pushing off the slag and thermal capacity is beneficial to more greatly melting and enters and be full of die cavity.Exhaust duct is beneficial to exhaust, and exhaust duct is arranged side by side and two ends connect with the relative dual-side of dynamic model respectively, and the two ends that make the operator avoid exhaust duct guarantee safety.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.The apparent modification of the technical staff to described field that all are such is within being included in the scope of this claim.
Claims (6)
1. central feeding compression mod comprises cover half, dynamic model, flow passage system and is positioned at the some push rods at dynamic model place; Described fixed half and moving half surrounds and consists of several die cavities; It is characterized in that: described die cavity is annular die cavity; Described flow passage system comprises the charging runner that barrel, crossing current road and number equate with the die cavity number; The outside of described charging runner is provided with circumferentially uniform charging aperture of at least two edges; Described charging runner is coaxial with die cavity, the interior Zhou Liantong of charging aperture and die cavity, and barrel is communicated with the charging runner by the road that flows over; Described dynamic model comprises the mavable module core that dynamic model seat and number equate and are fixedly connected with the dynamic model seat with the die cavity number; Described cover half comprises the pressing plate that fixed mold core, fixed head, cover plate, at least one spacing guide pin, several stage clips and number that solid plate, number equate with the mavable module core number equate with the stage clip number; Described fixed mold core is positioned at solid plate and corresponding with mavable module core, and fixed head is pushed down fixed mold core and is connected with the solid plate screw; Each fixed mold core surrounds with a corresponding mavable module core and consists of a die cavity; Described cover plate is provided with the through hole that number and stage clip number equate and run through two ends; Described stage clip is positioned at through hole and an end contacts with solid plate, and pressing plate is pushed down the other end of stage clip and is connected with the other end screw of cover plate; Described spacing guide pin be shaped as multidiameter shape; The end that the dynamic model seat is relative with solid plate is provided with the outside diameter coupling of diameter and spacing guide pin and length greater than the counterbore of the length of the large end of spacing guide pin, and solid plate is provided with the guide hole that the end diameter that runs through two ends and diameter and spacing guide pin mates; Described spacing guide pin is positioned at counterbore, and the small end of spacing guide pin passes guide hole and is fixedly connected with cover plate; Described barrel is positioned at cover plate, and the road that flows over is positioned at an end relative with solid plate of cover plate; Described charging runner be shaped as taper type, the charging runner is positioned at fixed mold core, the small end of charging runner is positioned at an end relative with cover plate of fixed mold core, charging aperture is positioned at the large end of charging runner.
2. central feeding compression mod according to claim 1 is characterized in that: described crossing current road comprises the branch flow passage that sprue and number equate with the die cavity number; Described barrel is communicated with an end of branch flow passage by sprue, and the other end of branch flow passage is communicated with the charging runner.
3. central feeding compression mod according to claim 1, it is characterized in that: the total sectional area of described charging aperture with the ratio of the total sectional area in the total sectional area of charging runner and the road that flows over is: 1:15:20 to 1:20:30, the sectional area of barrel is greater than the total sectional area in crossing current road.
4. central feeding compression mod according to claim 1, is characterized in that: the in a row arrangement corresponding with fixed mold core of described mavable module core.
5. according to claim 1 and 2 or 3 or 4 described central feeding compression mods is characterized in that: the end that described dynamic model is relative with cover half is provided with the exhaust duct that some the sides with dynamic model connect.
6. central feeding compression mod according to claim 5, it is characterized in that: described exhaust duct is arranged side by side, and the two ends of exhaust duct connect with the relative dual-side of dynamic model respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210057670 CN102626775B (en) | 2012-03-07 | 2012-03-07 | Center feeding die-casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210057670 CN102626775B (en) | 2012-03-07 | 2012-03-07 | Center feeding die-casting mold |
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| CN102626775A CN102626775A (en) | 2012-08-08 |
| CN102626775B true CN102626775B (en) | 2013-11-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108907139A (en) * | 2018-07-28 | 2018-11-30 | 天津市慧德工贸有限公司 | The modified casting die of pump case in a kind of automobile engine |
| CN114309541B (en) * | 2022-03-04 | 2022-06-07 | 浙江华朔科技股份有限公司 | Die-casting die for producing shell and production method of shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1217909A1 (en) * | 1984-08-27 | 1986-03-15 | Горьковский Автомобильный Завод | Press mould for manufacturing investement patterns |
| KR100257220B1 (en) * | 1998-03-18 | 2000-05-15 | 지현철 | Die-casting machine |
| CN201253674Y (en) * | 2008-05-27 | 2009-06-10 | 宁波瑞铭机械有限公司 | Injection molding tool |
| CN101530902B (en) * | 2009-04-16 | 2010-12-08 | 宁海县德科模塑有限公司 | Stable-pressure device of Zinc alloy die casting mold |
| CN201529765U (en) * | 2009-05-18 | 2010-07-21 | 宁波金得机械有限公司 | Valve body die-casting mould runner |
| CN201711512U (en) * | 2010-02-08 | 2011-01-19 | 广东鸿特精密技术股份有限公司 | Multi-cavity die-casting die used for small parts |
| CN201783635U (en) * | 2010-04-20 | 2011-04-06 | 宁波辉旺机械有限公司 | Gate of die casting cylinder block |
| CN201913225U (en) * | 2010-12-31 | 2011-08-03 | 东莞市东升压铸模具有限公司 | Die casting mold used for manufacturing clutch driving discs |
| CN202726015U (en) * | 2012-03-07 | 2013-02-13 | 宁波环亚机械制造有限公司 | Casting die feeding material from center |
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Denomination of invention: Center feeding die casting mold Effective date of registration: 20230707 Granted publication date: 20131106 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Beilun sub branch Pledgor: NINGBO HUANYA MANUFACTORY Co.,Ltd. Registration number: Y2023980047763 |
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