CN212525925U - Reduce mould of car brake caliper body support sand washing - Google Patents
Reduce mould of car brake caliper body support sand washing Download PDFInfo
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- CN212525925U CN212525925U CN202021115288.4U CN202021115288U CN212525925U CN 212525925 U CN212525925 U CN 212525925U CN 202021115288 U CN202021115288 U CN 202021115288U CN 212525925 U CN212525925 U CN 212525925U
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Abstract
The utility model relates to a mould for reducing sand washing of a support of an automobile brake caliper body, which comprises a first mould bottom plate and a second mould bottom plate, wherein the first mould bottom plate and the second mould bottom plate are vertically arranged; the first mold bottom plate is provided with casting cavities A, casting mechanism cavities and positioning pin holes, the casting cavities A are horizontally and symmetrically arranged in three rows and two columns in the middle of the first mold bottom plate, the casting mechanism cavities are arranged around the casting cavities A, and the positioning pin holes are arranged on two sides of the casting mechanism cavities; the casting mechanism cavity is composed of a pouring cup, a horizontal pouring channel, a lap joint piece and a vertical pouring channel. The utility model discloses a casting mechanism die cavity that sets up on the mould uses with the cooperation of cold, hot rising head and ingate and makes whole mould in the casting production process, the sand hole and the cinder hole defect of foundry goods when can effectively reduce the pouring to reduce brake caliper body support sand washing phenomenon, reduce the casting rejection rate, improved foundry goods quality, reduction in production cost.
Description
Technical Field
The utility model belongs to the technical field of the casting technique of automobile brake caliper support and specifically relates to a reduce mould of automobile brake caliper body support washed out sand.
Background
The brake caliper bracket is an indispensable important product in parts contained in an automobile brake system, is widely applied to various automobile types, and is an important part for ensuring the safety of automobiles, so that the operation of a set of qualified brake system and the safe running of a qualified vehicle can be ensured only by ensuring the quality of the brake caliper bracket to the utmost extent, and most importantly, the safety of passengers is ensured. At present, the production mode is that after a blank is cast and produced, the blank is machined and then assembled to a brake system assembly, and in order to ensure the normal work of the brake system, the brake caliper bracket must bear huge acting force and durable durability, so that some casting defects are absolutely not allowed. With the continuous updating of various vehicle types, the market demand of the brake caliper bracket is increased, so that the yield and the quality of a casting plant need to keep pace, and meanwhile, the development of casting technology of the product is greatly challenged.
However, the conventional brake caliper bracket casting processes are almost the same, and when molten iron is poured, the molten iron easily impacts a cavity to cause defects of sand holes and slag holes, if the defects are in a machining area of a casting blank, the machining process is affected, and if the defects are in a non-machining area, the durability and safety of the brake caliper bracket may be affected, and the cost of each production unit is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce mould of car brake caliper body support sand washing, the molten iron is to the washing away of die cavity when can effectively reducing the pouring, especially to the washing away of foundry goods die cavity to reduce the sand hole and the cinder hole defect of foundry goods, reduce the casting rejection rate, reduce certain cost.
The utility model adopts the following technical proposal:
a die for reducing sand washing of a support of an automobile brake caliper body comprises a first die bottom plate and a second die bottom plate, wherein the first die bottom plate and the second die bottom plate are vertically arranged; the first mold bottom plate is provided with casting cavities A, casting mechanism cavities and positioning pin holes, the casting cavities A are horizontally and symmetrically arranged in three rows and two columns in the middle of the first mold bottom plate, the casting mechanism cavities are arranged around the casting cavities A, and the positioning pin holes are arranged on two sides of the casting mechanism cavities; the casting mechanism cavity is composed of a pouring cup, a horizontal pouring gate, lap joint sheets and a vertical pouring gate, the pouring cup is arranged right above the first mold bottom plate, the horizontal pouring gate is horizontally arranged below the pouring cup, the straight section of the horizontal pouring gate is communicated with the bottom of the pouring cup, the lap joint sheets are symmetrically arranged at the lower parts of two ends of the horizontal pouring gate and communicated with the horizontal pouring gate, and the vertical pouring gate is vertically arranged at the lower part of each lap joint sheet and communicated with the lap joint sheets; the symmetrical center line of the casting cavity A is provided with uniformly distributed cold risers which are communicated with the casting cavities A on two sides, the two ends of the casting cavity A are symmetrically provided with uniformly distributed hot risers which are communicated with the casting cavity A on one side.
The second die bottom plate is provided with a casting cavity B, a cold riser, a hot riser and a positioning pin hole, and the second die bottom plate and the first die bottom plate are arranged in a mirror image manner; the casting cavity B on the second mold bottom plate and the casting cavity A of the first mold bottom plate form an integral casting cavity; uniformly distributed inner gates are arranged on one side of the lower part of the hot riser of the second mold bottom plate; the inner sprue is communicated with the hot riser.
The first die bottom plate and the second die bottom plate are rectangular bottom plates with the same size.
The positioning pin holes are arranged on the first die bottom plate and the second die bottom plate correspondingly.
The first die bottom plate and the second die bottom plate are made of cast iron.
The casting mechanism cavity, the hot riser and the cold riser are all made of cast aluminum.
The sprue cup is of a trapezoidal structure with an axial split.
The vertical pouring gate is of a three-section stepped structure.
Through the utility model discloses an implement, reached good result of use: the utility model provides a reduce mould of car brake caliper body support sand washing, uses through the cooperation of the casting mechanism die cavity that sets up on the mould and cold, hot rising head and ingate to make whole mould in the casting production process, the sand hole and the cinder hole defect of foundry goods when can effectively reducing the pouring to reduce brake caliper body support sand washing phenomenon, reduce the casting rejection rate, improved foundry goods quality, reduction in production cost.
Drawings
Fig. 1 is a schematic structural view of a first mold bottom plate of the present invention.
Fig. 2 is a schematic structural view of a second mold bottom plate of the present invention.
In the figure: 1. the casting mold comprises a first mold bottom plate, a second mold bottom plate, a casting mold cavity A, a casting mold cavity B, a casting cup, a sprue cup, a runner, a cross gate, a lap joint, a vertical gate, a cold riser, a hot riser, a locating pin hole, a sprue and a.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the mold for reducing sand washing of the support of the automobile brake caliper body comprises a first mold bottom plate 1 and a second mold bottom plate 2, wherein the first mold bottom plate 1 and the second mold bottom plate 2 are vertically arranged; the first mold bottom plate 1 is provided with casting cavities A3, a casting mechanism cavity and positioning pin holes 11, the casting cavities A3 are horizontally and symmetrically arranged in three rows and two columns in the middle of the first mold bottom plate 1, the casting mechanism cavity is arranged around the casting cavity A3, and the positioning pin holes 11 are arranged on two sides of the casting mechanism cavity; the casting mechanism cavity is composed of a pouring cup 5, a horizontal runner 6, overlapping plates 7 and vertical runners 8, the pouring cup 5 is arranged right above a first mold bottom plate 4, the horizontal runner 6 is horizontally arranged below the pouring cup 5, a straight section of the horizontal runner 6 is communicated with the bottom of the pouring cup 5, the overlapping plates 7 are symmetrically arranged at the lower parts of two ends of the horizontal runner 6 and are communicated with the horizontal runner 6, the overlapping plates 7 can play a role in blocking slag and can also play a role in slowing down the flow rate and turbulence of molten iron, so that clean and stable molten iron flows downwards into the vertical runners 8, and the vertical runners 8 are vertically arranged at the lower parts of the overlapping plates 7 and are communicated with the overlapping plates 7; the casting mold cavity A3 is characterized in that cold risers 9 are uniformly distributed on the symmetrical center line, the cold risers 9 are communicated with the casting mold cavities A3 on two sides, the cold risers 9 are mainly used for converging molten iron to gather sand grains and slag, the heat risers 10 are uniformly distributed on two ends of the casting mold cavity A3, the heat risers 10 are communicated with the casting mold cavity 3A on one side, and the heat risers 10 are used for connecting a pouring system to enter the molten iron and feeding.
The second mold bottom plate 2 is provided with a casting cavity B4, a cold riser 9, a hot riser 10 and a positioning pin hole 11, and the second mold bottom plate 2 and the first mold bottom plate 1 are arranged in a mirror image manner; the casting cavity B4 on the second die bottom plate 2 and the casting cavity A3 of the first die bottom plate form an integral casting cavity; uniformly distributed inner gates 12 are arranged on one side of the lower part of the hot riser 10 of the second mold bottom plate 2; the inner pouring gate 12 is communicated with the hot riser 10, and the inner pouring gate 12 is arranged to be connected with the lower ends of the vertical pouring gate 8 and the hot riser 10, so that molten iron can enter the mold cavity to be cast more smoothly; the first die bottom plate 1 and the second die bottom plate 2 are rectangular bottom plates with the same size; the positioning pin holes 11 are arranged on the first die bottom plate 1 and the second die bottom plate 2 correspondingly, and the positioning pin holes 11 are arranged to ensure that each half of the processed model can be matched with each other after being arranged on the template; the first die bottom plate 1 and the second die bottom plate 2 are both made of cast iron; the casting mechanism cavity, the hot riser 10 and the cold riser 9 are all made of cast aluminum; the sprue cup 5 is of a trapezoid structure with an axial split, and the trapezoid structure can effectively counteract turbulence and molten metal splashing during pouring; the vertical pouring gate 8 is of a three-section stepped structure, and molten iron can be quickly filled after entering the vertical pouring gate 8 through the stepped structure, so that all castings can be poured simultaneously.
When the device is used, molten iron enters a cross gate 6 through a sprue cup 5 in a shunting manner, enters a lap joint sheet 7 through the cross gate 6, flows into a vertical gate 8, enters a hot riser 10 through an inner gate 12, finally enters a casting cavity through the hot riser 10, finally converges the molten iron at a cold riser 9, and the filling mode of other casting cavities is the same as that of the other casting cavities. The matching of the cavity of the casting mechanism and the cold and hot risers and the inner pouring gate 12 enables the whole mould to effectively reduce the defects of sand holes and slag holes of castings during casting in the casting production process, thereby reducing the sand washing phenomenon of the brake caliper body bracket, reducing the casting rejection rate, improving the casting quality and reducing the production cost.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right the technical solution of the present invention performs a plurality of equivalent transformations, and these equivalent transformations all belong to the protection scope of the present invention.
Claims (8)
1. A mould for reducing sand washing of a support of an automobile brake caliper body comprises a first mould bottom plate (1) and a second mould bottom plate (2), wherein the first mould bottom plate (1) and the second mould bottom plate (2) are vertically arranged; the method is characterized in that: the first mold bottom plate (1) is provided with casting cavities A (3), casting mechanism cavities and positioning pin holes (11), the casting cavities A (3) are horizontally and symmetrically arranged in three rows and two columns in the middle of the first mold bottom plate (1), the casting mechanism cavities are arranged around the casting cavities A (3), and the positioning pin holes (11) are arranged on two sides of the casting mechanism cavities; the casting mechanism cavity is composed of a pouring cup (5), a cross gate (6), overlapping pieces (7) and a vertical gate (8), the pouring cup (5) is arranged right above the first mold bottom plate (1), the cross gate (6) is horizontally arranged below the pouring cup (5), a straight section of the cross gate (6) is communicated with the bottom of the pouring cup (5), the overlapping pieces (7) are symmetrically arranged at the lower parts of two ends of the cross gate (6) and communicated with the cross gate (6), and the vertical gate (8) is vertically arranged at the lower part of each overlapping piece (7) and communicated with the overlapping pieces (7); the symmetrical center line of foundry goods die cavity A (3) department be provided with cold rising head (9) of equipartition, cold rising head (9) all with the foundry goods die cavity A (3) through connections of both sides, be provided with hot rising head (10) of equipartition at the both ends symmetry of foundry goods die cavity A (3), hot rising head (10) all with the foundry goods die cavity A (3) through connections of one side.
2. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the second mold bottom plate (2) is provided with a casting cavity B, a cold riser (9), a hot riser (10) and a positioning pin hole (11), and the second mold bottom plate (2) and the first mold bottom plate (1) are arranged in a mirror image manner; the casting cavity B on the second mold bottom plate (2) and the casting cavity A (3) of the first mold bottom plate (1) form an integral casting cavity; uniformly distributed inner gates (12) are arranged on one side of the lower part of the hot riser (10) of the second mold bottom plate (2); the inner sprue (12) is communicated with the hot riser (10).
3. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the first die bottom plate (1) and the second die bottom plate (2) are rectangular bottom plates with the same size.
4. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the positioning pin holes (11) are arranged on the first die bottom plate (1) and the second die bottom plate (2) correspondingly.
5. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the first die bottom plate (1) and the second die bottom plate (2) are both made of cast iron.
6. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the casting mechanism cavity, the hot riser (10) and the cold riser (9) are all made of cast aluminum.
7. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the sprue cup (5) is of a trapezoidal structure with an axial split.
8. The mold for reducing the sand washing of the automobile brake caliper body bracket according to claim 1, wherein: the vertical pouring gate (8) is of a three-section stepped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021115288.4U CN212525925U (en) | 2020-06-17 | 2020-06-17 | Reduce mould of car brake caliper body support sand washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021115288.4U CN212525925U (en) | 2020-06-17 | 2020-06-17 | Reduce mould of car brake caliper body support sand washing |
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| Publication Number | Publication Date |
|---|---|
| CN212525925U true CN212525925U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021115288.4U Active CN212525925U (en) | 2020-06-17 | 2020-06-17 | Reduce mould of car brake caliper body support sand washing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147182A (en) * | 2021-12-07 | 2022-03-08 | 勤威(天津)工业有限公司 | Casting model structure of high-quality high-step remaining support for sand core molding |
-
2020
- 2020-06-17 CN CN202021115288.4U patent/CN212525925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147182A (en) * | 2021-12-07 | 2022-03-08 | 勤威(天津)工业有限公司 | Casting model structure of high-quality high-step remaining support for sand core molding |
| CN114147182B (en) * | 2021-12-07 | 2024-01-23 | 勤威(天津)工业有限公司 | Casting model structure of high-quality high-step stay support for sand core molding |
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