CN104690232A - Static pressure line double-brake-drum rotary casting device - Google Patents
Static pressure line double-brake-drum rotary casting device Download PDFInfo
- Publication number
- CN104690232A CN104690232A CN201510157288.8A CN201510157288A CN104690232A CN 104690232 A CN104690232 A CN 104690232A CN 201510157288 A CN201510157288 A CN 201510157288A CN 104690232 A CN104690232 A CN 104690232A
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- China
- Prior art keywords
- shaping mould
- cross gate
- brake drum
- cross
- mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a static pressure line double-brake-drum rotary casting device which comprises a mold body arranged in a sand box. The mold body comprises two brake drum forming molds, wherein a first cross gate forming mold is arranged on the same side of the two brake drum forming molds, and a plurality of ingate forming molds tangent with the brake drum forming molds are arranged on the first cross gate forming mold. A second cross gate forming mold is arranged under the first cross gate forming mold, and a fiber filter screen is arranged between the second cross gate forming mold and the first cross gate forming mold. Two flow choking grooves are formed in the first cross gate forming mold, and a skim bob forming mold is formed between the two flow choking grooves. When molten iron is cast, tangential force is produced and pushes the molten iron to rotate constantly, a sand cut phenomenon is avoided, and mixing uniformity of the molten iron is ensured. The molten iron is cooled and solidifies while casting is completed, the hardness difference of products is reduced, dynamic balance is ensured, the problem of large working allowance difference is solved, and technological yield, rate of finished products and the quality of castings are improved.
Description
Technical field
The invention belongs to casting technology field, particularly relate to the two brake drum rotary casting device of a kind of static pressure line.
Background technology
Present stage, the mould of the two brake drum of casting generally comprises: brake drum shaping mould and cross gate shaping mould, some ingate shaping moulds are provided with between cross gate shaping mould and brake drum shaping mould, all towards the center of brake drum shaping mould, (that is: the center line of each ingate shaping mould is all through the center of brake drum shaping mould for each ingate shaping mould, also can claim: the centripetal setting of ingate shaping mould), thus in Foundry Production, to be formed after sand mould through penetrating sand technique in the sandbox that mould is placed, mould is taken out, brake drum forming cavity is formed in brake drum shaping mould position, cross gate is formed in cross gate shaping mould position, ingate is formed in ingate shaping mould position, carry out pouring molten iron afterwards, molten iron enters brake drum forming cavity through cross gate, ingate successively, forms brake drum foundry goods after cooling.
Due to the centripetal setting of ingate, not only can cause ingate concentrated setting, be unfavorable for entering of molten iron, and enter in the process of brake drum forming cavity at molten iron through ingate, molten iron can vertically pour into brake drum forming cavity, and then causes sand washing phenomenon, and molten iron Combination is poor; Meanwhile, adopt this to pour into mode, the time of molten steel solidification is also inconsistent, and front and back cooling range is comparatively large, the difference of hardness of product not only can be caused large, and dynamic balance can be caused poor, and then allowance difference can be caused large; In addition, this pours into mode also can affect product yield and yield rate.
And existing mould must arrange rising head, manufacturing process is complicated, and cost is high.
Summary of the invention
The object of the present invention is to provide the two brake drum rotary casting device of a kind of static pressure line, ensure the uniformity of casting quality, realize that product hardness difference is little, good dynamic balance, allowance difference are little and improve the object of product yield and yield rate.
For solving the problems of the technologies described above, the technical scheme of the embodiment of the present invention is: the two brake drum rotary casting device of static pressure line, comprise the die ontology be arranged in sandbox, described die ontology comprises two brake drum shaping moulds, the same side being positioned at brake drum shaping mould described in two is provided with the first cross gate shaping mould, be equipped with some ingate shaping moulds with on the described first cross gate shaping mould of brake drum shaping mould correspondence position described in two, each described ingate shaping mould all with the tangent setting of described brake drum shaping mould;
Be provided with the second cross gate shaping mould in the below of the described first cross gate shaping mould described in two between brake drum shaping mould, described second cross gate shaping mould is provided with the vertical sprue shaping mould arranged;
The described first cross gate shaping mould being positioned at described second cross gate shaping mould both sides is equipped with choked flow groove, described choked flow geosynclinal concave enters in described first cross gate shaping mould, and the described first cross gate shaping mould described in two between choked flow groove forms slag trap shaping mould;
Fibrous filter net is provided with between described second cross gate shaping mould and described first cross gate shaping mould.
Improve as one, described ingate shaping mould comprises the first body be connected with described brake drum shaping mould and the second body be connected with described first cross gate shaping mould, and described first body and described second body are set to one;
Described second body from described first cross gate shaping mould to described first body angled transition and cross-sectional area diminish gradually.
As further improvement, be set to arc with the described first cross gate shaping mould of brake drum shaping mould correspondence position described in two.
As further improving, the cross sectional shape of described first cross gate shaping mould is trapezoidal.
As further improving, described second cross gate shaping mould is vertical with described first cross gate shaping mould to be arranged, and described second cross gate shaping mould extends to brake drum shaping mould direction described in two; Described sprue shaping mould is arranged on the described second cross gate shaping mould away from described first cross gate shaping mould one end.
Owing to have employed technique scheme, the beneficial effect of the two brake drum rotary casting device of the static pressure line that the embodiment of the present invention provides is:
Due to all tangent with the brake drum shaping mould setting of each ingate shaping mould, thus enter in the process of brake drum forming cavity (being formed in sand mould by brake drum shaping mould) at molten iron through ingate (being formed in sand mould by ingate shaping mould), tangential force can be produced, promotion molten iron rotates, wholely process is poured into until complete, finally cooling forms foundry goods, compared with tradition, not only avoid the generation of sand washing phenomenon, and ensure that the mixing uniformity of each ingate molten iron; Because the whole process molten iron that pours into is continue to rotate always, thus the process that pours into complete after molten iron can cool together, realize solidifying simultaneously, greatly reduce the difference of hardness of product, molten iron Stable Filling avoids foundry goods local and to rise sand, ensure that dynamic balance, solve the problem that allowance difference is large; Meanwhile, adopt this to pour into mode, substantially increase the quality of product yield and yield rate and foundry goods.
Due to the first cross gate shaping mould between two choked flow grooves forming slag trap shaping mould, and be provided with fibrous filter net between the second cross gate shaping mould and the first cross gate shaping mould, thus formation stop part is put in choked flow slot on sand mould, slag trap is formed in slag trap shaping mould position, and then in the process to pour at molten iron, undertaken filtering by fibrous filter net and carry out stop impurity, pushing off the slag is carried out afterwards by stop part, and carry out collection slag by slag trap, reach the object without the need to arranging rising head, simplify the manufacturing process of die ontology, reduce cost.
Due to second body from the first cross gate shaping mould to first body angled transition and cross-sectional area diminish gradually, thus ensure that molten iron enters continuation, stability, rotatory and mobility in brake drum forming cavity, and then further ensure the mix uniformly effect of each ingate molten iron, avoid the generation of hot-spot phenomenon, solidify simultaneously lay a good foundation for realizing molten iron.
Owing to being set to arc with the first cross gate shaping mould of two brake drum shaping mould correspondence positions, thus effectively reduce the length of ingate shaping mould by arcuate structure, reduce difficulty of processing, saved cost.
Because the second cross gate shaping mould extends to two brake drum shaping mould directions, not only compact conformation, and the space occupancy rate effectively reducing this die ontology.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 is the sectional view of B-B in Fig. 1;
Fig. 4 is the sectional view of C-C in Fig. 1;
In figure, 1-die ontology; 2-brake drum shaping mould; 3-first cross gate shaping mould; 31-choked flow groove; 32-slag trap shaping mould; 4-ingate shaping mould; 41-first body; 42-second body; 43-the 3rd road body; 5-second cross gate shaping mould; 6-sprue shaping mould; 7-fibrous filter net.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Shown in common as shown in Figure 1 to Figure 4, the two brake drum rotary casting device of this static pressure line, comprise the die ontology 1 be arranged in sandbox, this die ontology 1 comprises two brake drum shaping moulds 2, the same side being positioned at two brake drum shaping moulds 2 is provided with the first cross gate shaping mould 3, some ingate shaping moulds 4 are equipped with, all tangent with brake drum shaping mould 2 setting of each ingate shaping mould 4 with on the first cross gate shaping mould 3 of two brake drum shaping mould 2 correspondence positions; With some ingate shaping moulds 4 of the tangent setting of each brake drum shaping mould 2 all with the mid point of the first cross gate shaping mould 3 for reference symmetry is arranged, and being all obliquely installed according to the flow direction of molten iron with the direction tangential of brake drum shaping mould 2 of ingate shaping mould 4.
The below of the first cross gate shaping mould 3 between two brake drum shaping moulds 2 is provided with the second cross gate shaping mould 5, this the second cross gate shaping mould 5 is vertical with the first cross gate shaping mould 3 to be arranged, and the second cross gate shaping mould 5 extends to two brake drum shaping mould 2 directions; The second cross gate shaping mould 5 away from first cross gate shaping mould 3 one end is provided with the vertical sprue shaping mould 6 arranged.
The the first cross gate shaping mould 3 being positioned at the second cross gate shaping mould 5 both sides is equipped with the choked flow groove 31 of trapezium structure, in the recessed first cross gate shaping mould 3 of this choked flow groove 31, the first cross gate shaping mould 3 between two choked flow grooves 31 forms slag trap shaping mould 32, and the height of this slag trap shaping mould 32 present position on the first cross gate shaping mould 3 is higher than the height of other positions on the first cross gate shaping mould 3.
Resistant to elevated temperatures fibrous filter net 7 is provided with between this second cross gate shaping mould 5 and first cross gate shaping mould 3.
This ingate shaping mould 4 comprises the first body 41 be connected with brake drum shaping mould 2 and the second body 42 be connected with the first cross gate shaping mould 3, this second body 42 from the first cross gate shaping mould 3 to first body 41 angled transition and cross-sectional area diminish gradually, that is, the cross section of this first body 41 is rectangle, and cross-sectional area is constant, the cross section of this second body 42 is trapezoidal, cross-sectional area near first body 41 one end is little, and the cross-sectional area away from first body 41 one end is large; The 3rd road body 43 is provided with between this second body 42 and first cross gate shaping mould 3, the cross-sectional area of the 3rd road body 43 is consistent away from the cross-sectional area of first body 41 one end with second body 42, and the 3rd road body 43 is set to one with first body 41 and second body 42.
Arc is set to the first cross gate shaping mould 3 of two brake drum shaping mould 2 correspondence positions; The cross sectional shape of this first cross gate shaping mould 3 is trapezoidal.
In actual applications, due to all tangent with brake drum shaping mould 2 setting of each ingate shaping mould 4, thus enter in the process of brake drum forming cavity (being formed in sand mould by brake drum shaping mould 2) at molten iron through ingate (being formed in sand mould by ingate shaping mould 4), tangential force can be produced, promotion molten iron rotates, wholely process is poured into until complete, finally cooling forms foundry goods, compared with tradition, not only avoid the generation of sand washing phenomenon, and ensure that the mixing uniformity of each ingate molten iron; Because the whole process molten iron that pours into is continue to rotate always, thus the process that pours into complete after molten iron can cool together, realize solidifying simultaneously, greatly reduce the difference of hardness (within Brinell hardness HB10) of product, molten iron Stable Filling avoids foundry goods local and to rise sand, ensure that dynamic balance, solve the problem that allowance difference is large; Meanwhile, adopt this to pour into mode, substantially increase the quality of product yield and yield rate and foundry goods.Due to the first cross gate shaping mould 3 between two choked flow grooves 31 forming slag trap shaping mould 32, and be provided with fibrous filter net 7 between the second cross gate shaping mould 5 and the first cross gate shaping mould 3, thus choked flow groove 31 position forms stop part on sand mould, slag trap is formed in slag trap shaping mould 32 position, and then in the process to pour at molten iron, undertaken filtering by fibrous filter net 7 and carry out stop impurity, pushing off the slag is carried out afterwards by stop part, and carry out collection slag by slag trap, reach the object without the need to arranging rising head, simplify the manufacturing process of die ontology 1, reduce cost.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the two brake drum rotary casting device of static pressure line, comprise the die ontology be arranged in sandbox, it is characterized in that, described die ontology comprises two brake drum shaping moulds, the same side being positioned at brake drum shaping mould described in two is provided with the first cross gate shaping mould, be equipped with some ingate shaping moulds with on the described first cross gate shaping mould of brake drum shaping mould correspondence position described in two, each described ingate shaping mould all with the tangent setting of described brake drum shaping mould;
Be provided with the second cross gate shaping mould in the below of the described first cross gate shaping mould described in two between brake drum shaping mould, described second cross gate shaping mould is provided with the vertical sprue shaping mould arranged;
The described first cross gate shaping mould being positioned at described second cross gate shaping mould both sides is equipped with choked flow groove, described choked flow geosynclinal concave enters in described first cross gate shaping mould, and the described first cross gate shaping mould described in two between choked flow groove forms slag trap shaping mould;
Fibrous filter net is provided with between described second cross gate shaping mould and described first cross gate shaping mould.
2. the two brake drum rotary casting device of static pressure line according to claim 1, it is characterized in that, described ingate shaping mould comprises the first body be connected with described brake drum shaping mould and the second body be connected with described first cross gate shaping mould, and described first body and described second body are set to one;
Described second body from described first cross gate shaping mould to described first body angled transition and cross-sectional area diminish gradually.
3. the two brake drum rotary casting device of static pressure line according to claim 2, is characterized in that, be set to arc with the described first cross gate shaping mould of brake drum shaping mould correspondence position described in two.
4. the two brake drum rotary casting device of static pressure line according to claim 3, it is characterized in that, the cross sectional shape of described first cross gate shaping mould is trapezoidal.
5. the two brake drum rotary casting device of the static pressure line according to the arbitrary claim of claim 1-4, it is characterized in that, described second cross gate shaping mould is vertical with described first cross gate shaping mould to be arranged, and described second cross gate shaping mould extends to brake drum shaping mould direction described in two; Described sprue shaping mould is arranged on the described second cross gate shaping mould away from described first cross gate shaping mould one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157288.8A CN104690232B (en) | 2015-04-03 | 2015-04-03 | Static pressure line double-brake-drum rotary casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157288.8A CN104690232B (en) | 2015-04-03 | 2015-04-03 | Static pressure line double-brake-drum rotary casting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690232A true CN104690232A (en) | 2015-06-10 |
| CN104690232B CN104690232B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510157288.8A Active CN104690232B (en) | 2015-04-03 | 2015-04-03 | Static pressure line double-brake-drum rotary casting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104690232B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526409A (en) * | 2018-07-13 | 2018-09-14 | 重庆乐迪机车车辆配件有限公司 | A kind of spiral casting system |
| CN114406199A (en) * | 2022-01-27 | 2022-04-29 | 四川共享铸造有限公司 | Gating system for sand casting |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526409A (en) * | 2018-07-13 | 2018-09-14 | 重庆乐迪机车车辆配件有限公司 | A kind of spiral casting system |
| CN114406199A (en) * | 2022-01-27 | 2022-04-29 | 四川共享铸造有限公司 | Gating system for sand casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104690232B (en) | 2017-04-12 |
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Address after: No. 289, West Ring Road, Economic Development Zone, Changyi City, Weifang City, Shandong Province, 261300 Patentee after: Shandong Kangmai Machinery Co.,Ltd. Address before: No. 289, West Ring Road, Economic Development Zone, Changyi City, Weifang City, Shandong Province, 261300 Patentee before: SHANDONG KANGMAIXIN MACHINERY Co.,Ltd. |
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