CN213729205U - Sprue suitable for casting various shapes of pressure shell air inlets - Google Patents
Sprue suitable for casting various shapes of pressure shell air inlets Download PDFInfo
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- CN213729205U CN213729205U CN202020654805.9U CN202020654805U CN213729205U CN 213729205 U CN213729205 U CN 213729205U CN 202020654805 U CN202020654805 U CN 202020654805U CN 213729205 U CN213729205 U CN 213729205U
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Abstract
A pouring gate suitable for casting various shapes of pressure shell air inlets comprises a positioning mechanism, a pouring gate mechanism, a heating mechanism and a switching mechanism; the positioning mechanism comprises positioning pipes arranged on two sides of a sprue bush, and positioning screws are arranged on the wall of the sprue bush; the sprue mechanism comprises a positioning groove arranged on the outer side of the neck of the sprue, a heating mechanism arranged on the outer side of the lower part of the neck of the sprue, a limiting shoulder arranged at the bottom end of the heating mechanism, a net table arranged in the sprue, a flow passage arranged in the net table, a switching mechanism arranged on the outer side of the flow passage, and a special-shaped air inlet mold arranged at the lower end of the flow passage; the lower end of the flow passage of the special-shaped air inlet die is provided with a hot punching hole; the flow channel is in an inverted platform shape, and a hot punching hole at the lower end is smaller than a net platform opening at the upper end of the flow channel, so that hot punching and material pushing are facilitated; the sprue and the special-shaped air inlet die are made of high-purity high-density silicon nitride; the shape of the inner cavity of the air inlet of the product is cast by a special-shaped air inlet die; is made of high-purity high-density silicon nitride, does not adhere to aluminum and has long service life.
Description
Technical Field
The invention relates to the field of aluminum alloy casting, in particular to a pouring gate suitable for casting various shapes of pressure shell air inlets.
Background
The development trend is on the way for energy conservation and emission reduction of automobile lightweight, wherein aluminum alloy gravity casting products occupy the largest share, but the traditional production methods all adopt one disposable precoated sand sprue, one product cannot be reused, the pollution is large, the equipment, manpower and waste are more, and the cost is high; although a reusable ceramic pouring gate is developed and applied to a gravity casting machine, the shaped lower end of the ceramic pouring gate can only adapt to a pressing shell with one specification, after a mould with another air inlet shape is replaced, the corresponding reusable pouring gate is replaced to cast an air inlet inner cavity corresponding to a product, and the method is material-consuming, time-consuming and poor in universality.
SUMMERY OF THE UTILITY MODEL
The present application addresses the above-identified problems by providing a sprue that accommodates the casting of multiple shell air inlet shapes.
According to the technical scheme of the application: a pouring gate suitable for casting various shapes of pressure shell air inlets is characterized by comprising a positioning mechanism, a pouring gate mechanism, a heating mechanism and a switching mechanism;
the positioning mechanism comprises positioning pipes 1 arranged on two sides of a sprue bush 2, positioning screws 3 arranged on the wall of the sprue bush 2, and a sprue mechanism arranged in the sprue bush 2;
the sprue mechanism comprises a positioning groove 5 arranged on the outer side of the neck of a sprue 4, a heating mechanism arranged on the outer side of the lower portion of the neck of the sprue 4, a limiting shoulder 7 arranged at the bottom end of the heating mechanism, a net table 8 arranged in the sprue 4, a flow channel 12 arranged in the net table 8, a switching mechanism arranged on the outer side of the flow channel 12, and a special-shaped air inlet mold 10 arranged at the lower end of the flow channel 12;
the lower end of a flow passage 12 of the special-shaped air inlet die 10 is provided with a hot punching hole 11;
the flow channel 12 is in an inverted platform shape, and is consistent with the requirement of a product, so that the demoulding is convenient; the hot punching hole 11 at the lower end is smaller than the net platform opening at the upper end of the flow channel, so that hot punching and material pushing are facilitated;
the heating mechanism comprises a spring heating ring 6, a protective sleeve 13 is arranged at the upper end of the spring heating ring 6, and a lead 14 is arranged in the protective sleeve 13;
the switching mechanism comprises an internal thread and an external thread 9, wherein an external thread is arranged on the outer side of the flow passage 12, and an internal thread is arranged on the inner side of the special-shaped air inlet die 10;
the sprue and the special-shaped air inlet die are made of high-purity high-density silicon nitride;
the lower end of the sprue is connected with the upper end of the special-shaped air inlet die through threads;
the shape of the inner cavity of the air inlet of the product is cast by a special-shaped air inlet die;
the technical effects of this application lie in: a runner suitable for casting various shapes of pressure shell air inlets is made of high-purity high-density silicon nitride, is not sticky with aluminum and has long service life; the lower end of the pouring gate is connected with the upper end of the special-shaped air inlet die by adopting a thread switching mechanism, so that the replacement is convenient, and the labor and the materials are saved; the inverted-platform-shaped flow channel with the lower end provided with the hot punching hole and the punching opening made of high-purity and high-density silicon nitride can not only meet the requirement that a product is punched in a die by using the upper ejection of a punch in a lower die and the hot punching hole and the punching opening to enable the product to complete a punching process in a die cavity, but also solve the problem of shrinkage porosity of the central part of the product caused by heat accumulation by using the extrusion force of the upper ejection of the product, thereby facilitating hot punching and pushing materials and facilitating material pouring after a pouring gate is turned over; the process is simplified, the equipment cost is reduced, and the product cost is reduced.
Drawings
FIG. 1 is a schematic illustration of a gate configuration of the present application adapted to cast a variety of shell inlet shapes.
Fig. 2 is a schematic view of a gate structure in which a shaped intake mold is switched.
Detailed Description
The following detailed description of embodiments of the present application will be made with reference to the accompanying drawings.
The device comprises a positioning pipe 1, a sprue bush 2, a positioning screw 3, a sprue 4, a positioning groove 5, a spring heating ring 6, a limiting shoulder 7, a net table 8, internal and external threads 9, a special-shaped air inlet die 10, a hot punching and punching port 11, a flow channel 12, a protective sleeve 13, a lead 14 and the like.
The pouring gate comprises a positioning mechanism, a pouring gate mechanism, a heating mechanism and a switching mechanism, wherein the positioning mechanism is used for positioning the pouring gate mechanism;
the positioning mechanism comprises a sprue bush 2, a positioning pipe 1 and a positioning screw 3; the positioning pipe 1 is arranged on two sides of the sprue bush 2, the positioning screw 3 is arranged on the wall of the sprue bush 2, and the sprue mechanism is arranged in the sprue bush 2;
the sprue mechanism comprises a positioning groove 5, a sprue 4, a limiting shoulder 7, a net table 8, a flow channel 12 and a special-shaped air inlet mold 10; the positioning groove 5 is arranged on the outer side of the neck of the pouring gate 4, the heating mechanism is arranged on the outer side of the lower portion of the neck of the pouring gate 4, the limiting shoulder 7 is arranged at the bottom end of the heating mechanism, the net table 8 is arranged in the pouring gate 4, the flow channel 12 is arranged in the net table 8, the switching mechanism is arranged on the outer side of the flow channel 12, and the special-shaped air inlet mold 10 is arranged on the lower portion of the flow channel 12;
the lower end of a flow passage 12 of the special-shaped air inlet die 10 is provided with a hot punching hole 11;
the flow channel 12 is in an inverted platform shape, and is consistent with the requirement of a product, so that the demoulding is convenient; the hot punching hole 11 at the lower end is smaller than the net platform opening at the upper end of the flow channel, so that hot punching and material pushing are facilitated;
the heating mechanism comprises a spring heating ring 6, a protecting sleeve 13 is arranged at the upper end of the spring heating ring 6, and a lead 14 is arranged in the protecting sleeve 13;
the switching mechanism comprises an inner thread and an outer thread 9, the outer thread is arranged on the outer side of the flow passage 12, and the inner thread is arranged on the inner side of the special-shaped air inlet mold 10;
the sprue and the special-shaped air inlet die are made of high-purity high-density silicon nitride;
the lower end of the sprue is connected with the upper end of the special-shaped air inlet die through threads;
the shape of the inner cavity of the air inlet of the product is cast by a special-shaped air inlet die;
the pouring gate suitable for casting various shapes of the air inlets of the pressure shell is made of high-purity high-density silicon nitride, is not adhered with aluminum, and is long in service life; the lower end of the pouring gate is connected with the upper end of the special-shaped air inlet die by adopting a thread switching mechanism, so that the replacement is convenient, and the labor and the materials are saved; the inverted-platform-shaped flow channel with the lower end provided with the hot punching hole and the punching opening made of high-purity and high-density silicon nitride can not only meet the requirement that a product is punched in a die by using the upper ejection of a punch in a lower die and the hot punching hole and the punching opening to enable the product to complete a punching process in a die cavity, but also solve the problem of shrinkage porosity of the central part of the product caused by heat accumulation by using the extrusion force of the upper ejection of the product, thereby facilitating hot punching and pushing materials and facilitating material pouring after a pouring gate is turned over; the process is simplified, the equipment cost is reduced, and the product cost is reduced.
Claims (1)
1. A pouring gate suitable for casting various shapes of pressure shell air inlets is characterized by comprising a positioning mechanism, a pouring gate mechanism, a heating mechanism and a switching mechanism;
the positioning mechanism comprises positioning pipes arranged on two sides of a sprue bush, positioning screws are arranged on the wall of the sprue bush, and a sprue mechanism is arranged in the sprue bush;
the sprue mechanism comprises a positioning groove arranged on the outer side of the neck of the sprue, a heating mechanism arranged on the outer side of the lower part of the neck of the sprue, a limiting shoulder arranged at the bottom end of the heating mechanism, a net table arranged in the sprue, a flow passage arranged in the net table, a switching mechanism arranged on the outer side of the flow passage, and a special-shaped air inlet mold arranged at the lower end of the flow passage;
the lower end of the flow passage of the special-shaped air inlet die is provided with a hot punching hole;
the heating mechanism comprises a spring heating ring, the upper end of the spring heating ring is provided with a protective sleeve, and a lead is arranged in the protective sleeve;
the switching mechanism comprises an inner thread and an outer thread, an outer thread is arranged on the outer side of the flow channel, and an inner thread is arranged on the inner side of the special-shaped air inlet die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020654805.9U CN213729205U (en) | 2020-04-13 | 2020-04-13 | Sprue suitable for casting various shapes of pressure shell air inlets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020654805.9U CN213729205U (en) | 2020-04-13 | 2020-04-13 | Sprue suitable for casting various shapes of pressure shell air inlets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213729205U true CN213729205U (en) | 2021-07-20 |
Family
ID=76813813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020654805.9U Active CN213729205U (en) | 2020-04-13 | 2020-04-13 | Sprue suitable for casting various shapes of pressure shell air inlets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213729205U (en) |
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2020
- 2020-04-13 CN CN202020654805.9U patent/CN213729205U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210930 Address after: 214000 2 Tianzhu Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI LIHU CASTING INDUSTRY Co.,Ltd. Address before: No.93-4, Luzhuang District 5, Wuxi City, Jiangsu Province, 214073 Patentee before: WUXI XIYANGKANG TECHNOLOGY Co.,Ltd. |