CN101758202A - Hot nozzle for metal mold - Google Patents
Hot nozzle for metal mold Download PDFInfo
- Publication number
- CN101758202A CN101758202A CN201010113242A CN201010113242A CN101758202A CN 101758202 A CN101758202 A CN 101758202A CN 201010113242 A CN201010113242 A CN 201010113242A CN 201010113242 A CN201010113242 A CN 201010113242A CN 101758202 A CN101758202 A CN 101758202A
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- hot nozzle
- cone
- charging aperture
- shunting
- metal die
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Abstract
The invention relates to a hot nozzle for a metal mold, in particular to a combined hot nozzle for the metal mold, which is formed by combining a feed inlet and a shunt fracturing port. A main body of the hot nozzle for the metal mold mainly comprises the feed inlet and the shunt fracturing port. The feed inlet is a hollow column, of which the center of the top is provided with an inverted cone frustum with a cone angle of 90 degrees; and a heater is arranged around the outer periphery of the cone frustum. A thermocouple is arranged in a thermocouple mounting hole of the feed inlet. A concave conical bore is formed in the center of the lower part of the feed inlet, and a convex cone is formed at an upper end of the shunt fracturing port. The feed inlet and the shunt fracturing port are matched together through the conical bore and the cone to form the main body of the hot nozzle. The hot nozzle for the metal mold solves the problem of severe waste when a cold runner of the conventional metal mold works, solves the problem of air hole caused by wall thickness of the cold runner product and the problem of degree of finish of the surface of the product, and can shorten the production cycle of the product by about 20 to 30 percent. The defect that the service life of the mold is influenced by high-speed high-pressure filling in the prior art is overcome.
Description
Technical field
The present invention relates to a kind of metal die hot nozzle, particularly relate to a kind of knockdown metal die hot nozzle, specifically a kind of metal die hot nozzle that combines by charging aperture and shunting fracture mouth.
Background technology
Existing metal die (pure aluminum alloy product mold, allumen product mold, magnadure product mold or the like) all adopts the cold runner operation.Be exactly externally to melt raw material (as: fine aluminium, allumen, magnadure or the like) in the smelting furnace earlier, be filled in the mould by high speed and high pressure with the raw material that die casting machine will melt again, to reach the effect of formed product.But in a such production cycle, will waste a lot of resources, as: raw material; Manually; Production cost or the like.
1: in order the raw material that melted to be filled in the mould, must open a sizable cold runner cast gate, the waste material of cast gate is than big several times of the product of moulding sometimes.
2: in order the raw material that melted will to be filled in the mould, must be on mould (other one side of the shaped article) gas that begins to rehearse, with the flowability of raw material in mould that guarantees to melt.So having produced a large amount of waste materials again, also can be several times of product sometimes.
3: though two such place's waste materials can also enter smelting furnace once more, after repeatedly smelting furnace melted, raw-material characteristic can change thereupon, just can not melt down thawing for a long time, and the time has become just genuine waste material once for a long time.Also have an important factor: be exactly because of factory and workman's reason, after the waste material depanning first time, will be stained with a lot of oil stains and rubbish, have some can be by manually cleaning, but can utilize once more after cleaning or minority.So just directly become real waste material, real waste material is only sold with cheap price and is collected scrap, and wastes resource and cost greatly.
4: each waste material is before advancing smelting furnace, and a lot of companies are shaped to unified shape after can melting waste material earlier again, because the heating wire power of smelting furnace generally all has the ten of thousands watt, have so promptly wasted a lot of electricity and again the environment temperature of periphery have been improved a lot.
Summary of the invention
The purpose of this invention is to provide a kind of metal die hot nozzle, a kind of knockdown metal die hot nozzle just is provided, specifically provide a kind of metal die hot nozzle that combines by charging aperture and shunting fracture mouth.The invention solves the serious problem of metal die cold runner operation waste material of prior art, solved the pore problem that the cold runner product causes because of wall thickness, solved the problem of a lot of product appearance fineness, can also shorten about the production cycle 20%--30% of product, remedy the prior art high speed and high pressure and poured into the deficiency that influences die life.
A kind of metal die hot nozzle of the present invention, its main body mainly is made up of charging aperture and shunting fracture mouth, charging aperture is the column of hollow, it is 90 ° the frustum of a cone that the charging aperture center of top has an inverted cone angle, the charging aperture excircle is around heater, have the thermocouple installing hole on the charging aperture, thermocouple is placed in one, there is the conical bore of indent at center, charging aperture lower end, there is the cone of evagination shunting fracture mouth upper end, the conical bore of charging aperture is consistent with the cone tapering of shunting fracture mouth, and charging aperture and shunting fracture mouth are combined together by conical bore and cone and constitute the hot nozzle main body.
Usually the cone angle of metal die casting machine (casting gate) is 90 °, the minimum diameter of casting gate is φ 10, varying in size of casting machine, the diameter of casting gate is also different, therefore, it is 90 ° the frustum of a cone that a kind of metal die of the present invention is provided with an inverted cone angle with hot nozzle in the charging aperture center of top, fit angle fit diameter charging with it, such cooperation can be played sealing function, makes raw material guarantee not leak outside.
As optimized technical scheme:
Wherein, aforesaid a kind of metal die hot nozzle, an installation step that protrudes is arranged at described charging aperture top, is lined with heat insulating mattress under the step.The effect of heat insulating mattress is the heat transmission that cuts off between hot nozzle and the mould, and the temperature of protection hot nozzle does not run off and few the loss, does not descend with the temperature that guarantees hot nozzle, plays the effect of power saving.
Aforesaid a kind of metal die hot nozzle, the cone angle of the conical bore of described charging aperture are 30 °～70 °, and the cone angle of the cone of shunting fracture mouth is 30 °～70 °.
Aforesaid a kind of metal die hot nozzle, the power of described heater is 600～2000W.Hot nozzle is different and used heater power varies in size according to size, from 600 watts to maximum 2000 watts, than the heating power of smelting furnace little tens times to tens times, so also can solve the electric problem of expense of factory.
Aforesaid a kind of metal die hot nozzle, described thermocouple Applicable temperature is between 400 ℃～700 ℃.Thermocouple and heater coupling are adjusted suitable heating-up temperature by heating controller, can be controlled at usually between 400 °～700 ° for aluminium alloy, magnesium alloy etc.When the hot nozzle temperature that records when thermocouple reaches the temperature upper limit that heating controller sets, even heating controller heater outage, when the hot nozzle temperature that records when thermocouple reached the lowest temperature that heating controller sets, heating controller just made the heater energising.
Aforesaid a kind of metal die hot nozzle, the tip position of the cone of described shunting fracture mouth is that the center is a benchmark, be processed with the dovetail groove that is used for charging of certain depth to the both sides straight line, dovetail groove is wide at the top and narrow at the bottom, the degree of depth and width degree have the size of shaped article and decide, and shunting fracture mouth inside is processed with the recirculated cooling water hole.The processing of recirculated cooling water hole is in the up-hole of shunting fracture mouth bottom centre position, the processing of the cooling hole of side shunting fracture oral-lateral towards on any position, connect the hole that upwards bore the bottom, the side opening position reaches both sides, base apertures position up and down seal groove, water-tight to guarantee.
The quality of fit of the cone of the conical bore of charging aperture and shunting fracture mouth is zero to bump zero.
A kind of metal die hot nozzle of the present invention effectively heats heater by temperature controller, by thermocouple hot nozzle self is being carried out temperature measuring, till arriving design temperature.The raw material that will melt by charging aperture pour in mould then, are poured into everywhere to mould by shunting fracture mouth, to reach the effect of formed product; Shunting fracture mouth can also play the function that the blocking-up raw material continue perfusion.For the temperature of protecting hot nozzle does not run off and few the loss, hot nozzle also has a heat insulating mattress made from special material.
The invention has the beneficial effects as follows:
A kind of metal die hot nozzle of the present invention produces waste material still less when producing; Reduce the pressure and the speed of die casting machine perfusion during production, make the longer service life of die casting machine, the frequent high speed and high pressure of die casting machine can influence the service life of equipment, electricity wasting more also under the situation of high speed and high pressure; Can produce waste material seldom, before using, lack 50%～～80% waste material; Can be for factory save a lot of costs, can in the same production time, (in 24 hours) increase output about 20%～30%, can improve the appearance of product, for country saves a lot as raw material, electric equal energy source consumption.
Description of drawings
Fig. 1 is the structural representation of a kind of metal die of the present invention with hot nozzle
Fig. 2 is the structural representation of charging aperture
Fig. 3 is the structural representation of heater
Fig. 4 is the structural representation of thermocouple
Fig. 5 is the structural representation of shunting fracture mouth
Fig. 6 is the side-looking structural representation of shunting fracture mouth
Fig. 7 is the structural representation of heat insulating mattress
Wherein 1 is that charging aperture 2 is that heater 3 is that thermocouple 4 is that shunting fracture mouth 5 is heat insulating mattress
4.1 be that dovetail groove 4.2 is that recirculated cooling water hole 4.3 is that centre hole 4.4 is seal grooves
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Shown in Fig. 1～7, a kind of metal die hot nozzle of the present invention, it is a kind of knockdown metal die hot nozzle, specifically a kind of metal die hot nozzle that combines by charging aperture and shunting fracture mouth, its main body mainly is made up of charging aperture 1 and shunting fracture mouth 4, charging aperture 1 is the column of hollow, it is 90 ° the frustum of a cone that charging aperture 1 center of top has an inverted cone angle, charging aperture 1 excircle is around heater 2, have the thermocouple installing hole on the charging aperture 1, thermocouple 3 is placed in one, there is the conical bore of indent at center, charging aperture 1 lower end, there is the cone of evagination shunting fracture mouth 4 upper ends, the conical bore of charging aperture 1 is consistent with the cone tapering of shunting fracture mouth 4, the quality of fit of the cone of the conical bore of charging aperture 1 and shunting fracture mouth 4 is zero to bump zero, and charging aperture 1 and shunting fracture mouth 4 are combined together by conical bore and cone and constitute the hot nozzle main body.
Wherein, an installation step that protrudes is arranged at described charging aperture top, is lined with heat insulating mattress 5 under the step, and the temperature of protection hot nozzle does not run off and few the loss.
The cone angle of the conical bore of described charging aperture 1 is 30 °～70 °, and the cone angle of the cone of shunting fracture mouth 4 is 30 °～70 °.
The power of described heater is 600～2000W, and hot nozzle is different and used heater power varies in size according to size, from 600 watts to maximum 2000 watts, than the heating power of smelting furnace little tens times to tens times.
Described thermocouple 3 Applicable temperatures are between 400 ℃～700 ℃.
As illustrated in Figures 5 and 6, the tip position of the cone of described shunting fracture mouth 4 is that the center is a benchmark, be processed with the dovetail groove that is used for charging 4.1 of certain depth to the both sides straight line, dovetail groove 4.1 is wide at the top and narrow at the bottom, the degree of depth and width degree have the size of shaped article and decide, and shunting fracture mouth 4 inside are processed with recirculated cooling water hole 4.2.4.2 processing of recirculated cooling water hole are in the 4 bottom centre position up-holes of shunting fracture mouth, the processing of the cooling hole of side shunting fracture oral-lateral towards on any position, connect the hole that upwards bore the bottom, the side opening position reaches both sides, base apertures position up and down seal groove 4.4, water-tight to guarantee.Shunting fracture mouth 4 also is drilled with centre hole 4.3.
Claims (7)
1. metal die hot nozzle, it is characterized in that: its main body mainly is made up of charging aperture and shunting fracture mouth, charging aperture is the column of hollow, it is 90 ° the frustum of a cone that the charging aperture center of top has an inverted cone angle, the charging aperture excircle is around heater, have the thermocouple installing hole on the charging aperture, thermocouple is placed in one, there is the conical bore of indent at center, charging aperture lower end, there is the cone of evagination shunting fracture mouth upper end, the conical bore of charging aperture is consistent with the cone tapering of shunting fracture mouth, and charging aperture and shunting fracture mouth are combined together by conical bore and cone and constitute the hot nozzle main body.
2. a kind of metal die hot nozzle as claimed in claim 1 is characterized in that, an installation step that protrudes is arranged at described charging aperture top, is lined with heat insulating mattress under the step.
3. a kind of metal die hot nozzle as claimed in claim 1 is characterized in that, the cone angle of the conical bore of described charging aperture is 30 °～70 °, and the cone angle of the cone of shunting fracture mouth is 30 °～70 °.
4. a kind of metal die hot nozzle as claimed in claim 1 is characterized in that the power of described heater is 600～2000W.
5. a kind of metal die hot nozzle as claimed in claim 1 is characterized in that described thermocouple Applicable temperature is between 400 ℃～700 ℃.
6. a kind of metal die hot nozzle as claimed in claim 1 is characterized in that, described shunting fracture mouth inside is processed with circulation cooling hole.
7. a kind of metal die hot nozzle as claimed in claim 1 is characterized in that, the tip position of the cone of described shunting fracture mouth is that the center is a benchmark, is processed with the dovetail groove that is used for charging to the both sides straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010113242A CN101758202A (en) | 2009-09-03 | 2010-02-24 | Hot nozzle for metal mold |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920209101.4 | 2009-09-03 | ||
| CN201010113242A CN101758202A (en) | 2009-09-03 | 2010-02-24 | Hot nozzle for metal mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101758202A true CN101758202A (en) | 2010-06-30 |
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ID=42489675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010113242A Pending CN101758202A (en) | 2009-09-03 | 2010-02-24 | Hot nozzle for metal mold |
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| Country | Link |
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| CN (1) | CN101758202A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001899A (en) * | 2014-05-07 | 2014-08-27 | 含山县大力精密机械有限公司 | High-precision high-thermal-pressure cast spray nozzle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972369A (en) * | 1974-11-04 | 1976-08-03 | Groupement pour les Activities Atomiques et Avencees "GAAA" | Rapid low-pressure casting installation |
| JPH05285627A (en) * | 1992-04-13 | 1993-11-02 | Honda Motor Co Ltd | Nozzle blocking valve for metal injection molding device |
| CN1280526A (en) * | 1997-11-28 | 2001-01-17 | 联邦科学和工业研究组织 | Magnesium pressure casting |
| CN1373695A (en) * | 1999-09-16 | 2002-10-09 | 霍特弗洛压铸有限公司 | Hot sprue system for diecasting |
| CN1572395A (en) * | 2003-05-19 | 2005-02-02 | 高田株式会社 | Method and apparatus for manufacturing metallic parts by die casting |
-
2010
- 2010-02-24 CN CN201010113242A patent/CN101758202A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972369A (en) * | 1974-11-04 | 1976-08-03 | Groupement pour les Activities Atomiques et Avencees "GAAA" | Rapid low-pressure casting installation |
| JPH05285627A (en) * | 1992-04-13 | 1993-11-02 | Honda Motor Co Ltd | Nozzle blocking valve for metal injection molding device |
| CN1280526A (en) * | 1997-11-28 | 2001-01-17 | 联邦科学和工业研究组织 | Magnesium pressure casting |
| CN1373695A (en) * | 1999-09-16 | 2002-10-09 | 霍特弗洛压铸有限公司 | Hot sprue system for diecasting |
| CN1572395A (en) * | 2003-05-19 | 2005-02-02 | 高田株式会社 | Method and apparatus for manufacturing metallic parts by die casting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001899A (en) * | 2014-05-07 | 2014-08-27 | 含山县大力精密机械有限公司 | High-precision high-thermal-pressure cast spray nozzle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100630 |