CN108907105A - A kind of running gate system and pouring procedure of Capstan rotor casting - Google Patents
A kind of running gate system and pouring procedure of Capstan rotor casting Download PDFInfo
- Publication number
- CN108907105A CN108907105A CN201811048386.8A CN201811048386A CN108907105A CN 108907105 A CN108907105 A CN 108907105A CN 201811048386 A CN201811048386 A CN 201811048386A CN 108907105 A CN108907105 A CN 108907105A
- Authority
- CN
- China
- Prior art keywords
- sprue
- rotor casting
- ingate
- casting
- running gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004382 potting Methods 0.000 claims abstract description 32
- 239000006188 syrup Substances 0.000 claims abstract description 32
- 235000020357 syrup Nutrition 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000000155 melt Substances 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 8
- 101150038956 cup-4 gene Proteins 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
- B22C9/086—Filters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses the running gate systems and pouring procedure of a kind of Capstan rotor casting, wherein, the running gate system includes type chamber corresponding with rotor casting shape, the intracavitary sand core being equipped with for forming spindle through-hole of the type, it further include the sprue cup, sprue, ingate being sequentially communicated, the sprue extends along rotor casting main shaft, passes through sand core and is connected to ingate, the ingate is extended to by the end of sprue to be connected to type chamber.The running gate system and pouring procedure of Capstan rotor casting provided by the invention, it can be improved the utilization rate of potting syrup, the product yield of rotor casting is increased to 88% or so by the 75% of the prior art, injection system structure is small, convenient for post-processing circulation and secondary melts down use.
Description
Technical field
The present invention relates to casting technology fields, and in particular to a kind of running gate system of Capstan rotor casting and casting side
Method.
Background technique
In Foundry Production, running gate system is the channel that liquid metal is introduced casting mold type chamber and is opened up in casting mold,
In the production cost of casting, therefore cost of raw material accounting about 70% or so reduces the weight of running gate system, improves casting and goes out
Product rate reduces the consumption of casting raw material, and economies society is reduced and built to production cost and is of great significance.
In the prior art, when making Capstan rotor casting, by liquid metal from the excircle of Capstan rotor casting
Enter water, ingate is separated into six, and running gate system is complicated and huge, is not easy to melt down, reduces casting yield rate and mould type
Plate utilization rate, increases production cost, reduces production efficiency.
Summary of the invention
The present invention provides the running gate systems and pouring procedure of a kind of Capstan rotor casting, in the base for guaranteeing product quality
On plinth, change thinking, significantly simplified running gate system, rotor casting yield rate is high, substantially reduces production cost.
A kind of running gate system of Capstan rotor casting, the rotor casting have spindle through-hole, the running gate system packet
Type chamber corresponding with rotor casting shape is included, the intracavitary sand core being equipped with for forming spindle through-hole of the type, further includes successively connecting
Logical sprue cup, sprue, ingate, the sprue is axially extending along rotor casting, is connected to by way of sand core with ingate, institute
It states ingate and is extended to by the end of sprue and is connected to type chamber.
The sprue of the running gate system is arranged in the spindle through-hole of rotor casting, and is not provided with cross gate, casting
Liquid is directly entered the intracavitary portion of type by sprue and ingate, and the profile of running gate system reduces, and the circulation path of potting syrup shortens,
Improve the product yield of rotor casting.
Due to being not provided with cross gate, product of casting in use, do not need to be crushed, can be used directly as foundry returns.
In use, add potting syrup into sprue by sprue cup, potting syrup pass sequentially through sprue and ingate into
Enter the intracavitary completion casting of type.Sprue cup can be used to accept the high temperature potting syrup from pouring ladle, prevent molten iron from splashing and overflowing, side
Just it is poured.
Preferably, the position that the sprue is connected with ingate is equipped with filter.
The filter effectively removes the bulk inclusion in potting syrup, while can adsorb fine impurities, plays current stabilization
Effect, reduces the defect of rotor casting, improves the quality of rotor casting.
The sprue is axially extending along rotor casting, and the both ends of sprue each extend over out rotor casting main shaft and correspond to
The axial end face of side.
Sprue axially penetrates through rotor casting along rotor casting, and sprue is by potting syrup from the axial side of rotor casting
Lead to the other side of rotor casting axial direction.Under use state, sprue is arranged vertically.
Preferably, the end of the sprue is connected with the first distribution cavity, the beginning of the ingate and the first distribution
Chamber connection, the end of ingate are connected to type chamber, and the filter is set in the first distribution cavity.
First distribution cavity is set, filter is set in the first distribution cavity, can make to be existed by the potting syrup that sprue flows down
Current stabilization herein.Preferably, being connected between first distribution cavity and sprue by the second distribution cavity, first distribution cavity
Internal diameter be greater than the internal diameter of sprue, the internal diameter of second distribution cavity is greater than the internal diameter of sprue and less than the first distribution cavity
Internal diameter.
Second distribution cavity is used for the dregs that storage section is stopped by filter.First distribution cavity and the second distribution
Chamber is cylinder, the first distribution cavity, the second distribution cavity and the arrangement of sprue coaxial line, sprue, the second distribution cavity, first point
The internal diameter of cloth chamber is gradually increased.Such second distribution cavity and the first distribution cavity form limited step, and filter is limited to first
It is moved not in distribution cavity.
Preferably, the ingate is divided into around equally distributed 3~4 tunnel of rotor casting main-shaft axis.Further preferably,
The ingate is divided into around equally distributed 4 tunnel of rotor casting main shaft.
The speed of the ingate control potting syrup filled-type chamber and direction adjust the temperature at each position of rotor casting and coagulate
Gu sequence, plays the role of feeding to rotor casting.
Preferably, the cross-sectional area ratio of the sprue and ingate is 1.05~1.3:1.
The cross-sectional area ratio of the sprue and ingate, the specially cross-sectional area of sprue and each road ingate are total
The ratio of sectional area.
By the way that the cross-sectional area ratio of sprue and ingate is arranged, speed and the side of potting syrup filled-type chamber can be regulated and controled
To the temperature and solidification sequence at adjusting each position of rotor casting play the role of feeding to rotor casting.
Preferably, the sand core extends spindle through-hole along the both ends of rotor casting axial direction, sand core is towards ingate
One end be equipped with the limited step that offsets with type chamber main shaft corresponding end-faces.
In the axial direction of rotor casting, the position of sand core is limited by limited step, prevents it from occurring to send movement.
The present invention also provides a kind of pouring procedure of Capstan rotor casting, the rotor casting has spindle through-hole,
Include the following steps:
Potting syrup enters from sprue cup, flows to axial direction by rotor casting axial direction side along the sprue for passing through spindle through-hole
It is intracavitary to flow to type corresponding with rotor casting shape for the other side after then turning back by ingate.
When potting syrup flows, only the path of circulation is shortened, is reduced without cross gate by sprue and ingate
The usage amount of potting syrup.
The extending direction of sprue and ingate is parallel or substantially parallel, and flow direction of the potting syrup in ingate is compared
It is turned back for flow direction in sprue, and potting syrup only passes through the first distribution cavity and the after sprue outflow
Two distribution cavities are cached, and are then entered in type chamber by ingate, shorten the flow path of potting syrup as much as possible, are improved
The utilization efficiency of potting syrup.
Preferably, the position that the sprue is connected with ingate is equipped with filter, the ingate, which is divided into, to rotate
Sub- equally distributed 3~4 tunnel of casting main-shaft axis, after potting syrup is flowed out by sprue, by filter, is diverted into each road and pours
Inflow type is intracavitary after turning back in road.
The filter effectively removes the bulk inclusion in potting syrup, while can adsorb fine impurities, plays current stabilization
Effect, reduces the defect of rotor casting, improves the quality of rotor casting.
The end of ingate is connected at the axial end face of rotor casting spindle-type chamber namely sprue is adjacent with ingate
Closely, cross gate is not provided between sprue and ingate.
Using 3~4 road ingates, filling velocity and direction can be effectively controlled, guarantees that potting syrup is evenly distributed, to casting
Part effectively plays feeding effect, to guarantee product quality.
Preferably, the potting syrup is molten iron, pouring temperature is 1340 DEG C~1380 DEG C, and the duration of pouring is 30~35
Second, soaking time is 4~5h.
Using above-mentioned manufacturing parameter, it is ensured that the product quality of the utility model pouring technology production.
The running gate system and pouring procedure of Capstan rotor casting provided by the invention, can be improved the utilization of potting syrup
The product yield of rotor casting is increased to 88% or so by the 75% of the prior art by rate, and injection system structure is small, after being convenient for
Processing circulation and secondary melt down use.
Detailed description of the invention
Fig. 1 is the schematic cross-section of Capstan rotor casting;
Fig. 2 is the top view of the running gate system of Capstan rotor casting in embodiment 1;
Fig. 3 is the sectional view along A-A in Fig. 2.
In figure:1, main shaft;2, magnetic part mounting portion;3, spindle through-hole;4, sprue cup;5, sprue;6, sand core;7, it limits
Position step;8, distribution cavity;9, filter;10, ingate;11, the second distribution cavity.
Specific embodiment
With reference to the accompanying drawing, the running gate system and pouring procedure of Capstan rotor casting of the present invention are described in detail.
Embodiment 1
As shown in Figure 1, rotor casting includes:Main shaft 1 and the magnetic part mounting portion 2 arranged around main shaft 1, wherein
Main shaft 1 has spindle through-hole 3, and the side axial end face of magnetic part mounting portion 2 is concordant with the axial end face of 1 respective side of main shaft,
The axial length of magnetic part mounting portion 2 is greater than the axial length of main shaft 1.
As shown in Figure 2 and Figure 3, the running gate system of Capstan rotor casting includes:Type chamber corresponding with rotor casting shape.
The type chamber is formed by upper sand mold and lower sand mold mould assembly.
As shown in figure 3, upper sand mold and lower sand mold are separated according to die joint B-B, it is upper sand mold above die joint B-B, point
It is lower sand mold below the B-B of type face, after being poured, sand mold and lower sand mold in separation take out casting.
As shown in figure 3, rotor casting type is intracavitary to be equipped with sand core 6, sand core 6 is for forming spindle through-hole 3, and sand core 6 is by upper sand
Type extends in lower sand mold, and sand core 6 is located at one end in lower sand mold and is equipped with the limited step to offset with type chamber main shaft axial end face
7。
Sprue cup 4 is equipped on main-shaft axis, sprue cup 4 is located at the top of upper sand mold, and 4 bottom end of sprue cup is connected to sprue 5,
Sprue 5 is axially extending along rotor casting, extends to lower sand mold via sand core 6 by upper sand mold, therefore, is formed inside sand core 6
Through-hole, the through-hole belong to a part of sprue 5.Sprue cup 4 is used to accept potting syrup (such as the high-temperature metal from pouring ladle
Liquid), it prevents potting syrup from splashing and overflowing, facilitates casting.
Potting syrup is led to the rotor casting axial direction other side from the axial side of rotor casting by sprue 5.
In the present embodiment, sprue 5 is only one, and the end of sprue 5 is connected with 11, first points of the second distribution cavity in turn
Cloth chamber 8 and ingate 10, the second distribution cavity 11 are used for the dregs that storage section is stopped by filter, are equipped in the first distribution cavity 8
Filter 9 effectively removes the bulk inclusion in potting syrup by filter 9, while can adsorb fine impurities, plays current stabilization
Effect, reduces the defect of rotor casting, improves the quality of rotor casting.
First distribution cavity 8 and the second distribution cavity 11 are cylinder, and the first distribution cavity, the second distribution cavity and sprue are coaxial
Line, the internal diameter of the first distribution cavity 8 are greater than the internal diameter of sprue 5, and the internal diameter that the internal diameter of the second distribution cavity 11 is greater than sprue 5 is less than
The internal diameter of first distribution cavity 8.
Under use state, the position of the first distribution cavity 8 is lower than the endface position of 1 type chamber of adjacent side rotor casting main shaft,
Potting syrup is led into the rotor casting axial direction other side from the axial side of rotor casting using sprue 5.
First distribution cavity 8 is connected to the bottom of sprue 5, and one end of ingate 10 is connected to the first distribution cavity 8, ingate
10 other ends and type chamber connectivity part are located on the axial end face of 1 type chamber of rotor casting main shaft.
Ingate 10 divides for around the axial 10 surrounding rotor casting axis of equally distributed four tunnel namely ingate of rotor casting
Central symmetry distribution, ingate 10 with sprue 5 along the axially extending of rotor casting, do not cast along rotor strictly by ingate 10
The axis direction of part extends, and can have a small amount of inclination with relative rotor casting axis, i.e., ingate 10 is substantially along rotor casting axis
Line direction extends.
5 cross-sectional area of sprue and the ratio of each 10 total cross-sectional area of road ingate are 1.2:1.
Under use state, magnetic part mounting portion 2 and the axial end face of 1 flush of main shaft are located above, and the other side is axial
End face is located below, and after in the first distribution cavity 8 of inflow of sprue 5, turn back to flow into along ingate 10 directly up turns potting syrup
Sub- 1 type chamber of casting main shaft, and the gradually full whole type chambers of filling, complete casting.
Embodiment 2
A kind of pouring procedure of Capstan rotor casting, it is raw using clay sand using running gate system as described in Example 1
Producing line machinery flask molding.
Pouring procedure includes the following steps:
Potting syrup enters from sprue cup 4, is flowed along the sprue 5 passed through in spindle through-hole 3 by rotor casting axial direction side
Running gate system is flowed to after turning back by ingate 10 after the filter filtering in the first distribution cavity 8 to the axial other side
In type corresponding with rotor casting shape it is intracavitary, complete casting.
Potting syrup is molten iron, and pouring temperature is 1340 DEG C~1380 DEG C, and the duration of pouring is 30~35 seconds, and rotor casting is pouring
Soaking time in injection system is 4~5h.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of running gate system of Capstan rotor casting, the rotor casting has spindle through-hole, and the running gate system includes
Type chamber corresponding with rotor casting shape, the intracavitary sand core being equipped with for forming spindle through-hole of the type, which is characterized in that also wrap
The sprue cup, sprue, ingate being sequentially communicated are included, the sprue is axially extending along rotor casting, pours across sand core with interior
Road connection, the ingate is extended to by the end of sprue to be connected to type chamber.
2. the running gate system of Capstan rotor casting as described in claim 1, which is characterized in that the sprue and ingate
The position being connected is equipped with filter.
3. the running gate system of Capstan rotor casting as claimed in claim 2, which is characterized in that the end of the sprue connects
It is connected to the first distribution cavity, the beginning of the ingate is connected to the first distribution cavity, and the end of ingate is connected to type chamber, the mistake
Filter is set in the first distribution cavity.
4. the running gate system of Capstan rotor casting as claimed in claim 3, which is characterized in that first distribution cavity and straight
It is connected between running channel by the second distribution cavity, the internal diameter of first distribution cavity is greater than the internal diameter of sprue, second distribution
The internal diameter of chamber is greater than the internal diameter of sprue and less than the internal diameter of the first distribution cavity.
5. the running gate system of Capstan rotor casting as described in claim 1, which is characterized in that the ingate, which is divided into, to rotate
Sub- equally distributed 3~4 tunnel of casting main-shaft axis.
6. the running gate system of Capstan rotor casting as described in claim 1, which is characterized in that the sprue and ingate
Cross-sectional area ratio be 1.05~1.3:1.
7. the running gate system of Capstan rotor casting as described in claim 1, which is characterized in that the sand core is along rotor casting
Spindle through-hole is extended at axial both ends, and sand core is equipped with the limit to offset with type chamber main shaft corresponding end-faces towards one end of ingate
Position step.
8. a kind of pouring procedure of Capstan rotor casting, the rotor casting has spindle through-hole, which is characterized in that including such as
Lower step:
Potting syrup enters from sprue cup, and the sprue that edge passes through spindle through-hole is flowed to axial another by rotor casting axial direction side
It is intracavitary to flow to type corresponding with rotor casting shape for side after then turning back by ingate.
9. the pouring procedure of Capstan rotor casting as claimed in claim 8, which is characterized in that the sprue and ingate
The position being connected is equipped with filter, and the ingate is divided into around equally distributed 3~4 tunnel of rotor casting main-shaft axis, casting
After liquid is flowed out by sprue, by filter, it is intracavitary to be diverted into inflow type after turning back in each road ingate.
10. the pouring procedure of Capstan rotor casting as claimed in claim 8, which is characterized in that the potting syrup is molten iron,
Pouring temperature is 1340 DEG C~1380 DEG C, and the duration of pouring is 30~35 seconds, and soaking time is 4~5h.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811048386.8A CN108907105B (en) | 2018-09-10 | 2018-09-10 | Casting system and casting method for traction machine rotor casting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811048386.8A CN108907105B (en) | 2018-09-10 | 2018-09-10 | Casting system and casting method for traction machine rotor casting |
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CN108907105A true CN108907105A (en) | 2018-11-30 |
CN108907105B CN108907105B (en) | 2024-05-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109454205A (en) * | 2018-12-13 | 2019-03-12 | 淮海工业集团有限公司 | A kind of sand mold of revolution solid of curved surface |
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CN209050066U (en) * | 2018-09-10 | 2019-07-02 | 杭州西子富沃德精密机械有限公司 | A kind of running gate system of Capstan rotor casting |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109454205A (en) * | 2018-12-13 | 2019-03-12 | 淮海工业集团有限公司 | A kind of sand mold of revolution solid of curved surface |
CN109454205B (en) * | 2018-12-13 | 2024-01-26 | 淮海工业集团有限公司 | Sand mould of curved surface revolution body |
Also Published As
Publication number | Publication date |
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CN108907105B (en) | 2024-05-28 |
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