CN220161252U - Modeling mold for machining speed reducer box - Google Patents
Modeling mold for machining speed reducer box Download PDFInfo
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- CN220161252U CN220161252U CN202320411331.9U CN202320411331U CN220161252U CN 220161252 U CN220161252 U CN 220161252U CN 202320411331 U CN202320411331 U CN 202320411331U CN 220161252 U CN220161252 U CN 220161252U
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- modeling
- molding
- shell
- pouring gate
- speed reducer
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 20
- 238000003754 machining Methods 0.000 title claims abstract description 10
- 238000000465 moulding Methods 0.000 claims abstract description 54
- 238000010112 shell-mould casting Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims description 9
- 239000003110 molding sand Substances 0.000 abstract description 15
- 238000005266 casting Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 244000035744 Hura crepitans Species 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model relates to a molding die for machining a speed reducer box body, which belongs to the technical field of molding sand molding and comprises a base plate, wherein an upper shell molding table is integrally formed on one side of the base plate, and a lower shell molding table is integrally formed on one side of the base plate, which corresponds to the upper shell molding table. The utility model has simple structure, directly integrally forms two half-shell molding dies for molding, can produce two molding sand dies at one time, can directly assemble and use the two molding dies after demolding, has small damage to the molding dies, and can save the space in a factory building.
Description
Technical Field
The utility model relates to the technical field of molding sand molding, in particular to a molding die for machining a speed reducer box body.
Background
Casting is generally a process of pouring molten metal into a mold, and cooling and solidifying to obtain a part of a desired shape and properties.
Currently, the speed reducer box shown in fig. 1 is generally manufactured and processed through a casting process, and a casting mold in the casting process comprises two outer molds and a sand core, wherein the two outer molds are half-shell molds of the speed reducer box, the two half-shell molds and the inner mold are combined together, and a cavity is formed between the two half-shell molds for casting.
In the prior art, an inner mold (shown in fig. 2) is easy to process, molding sand is only required to be filled into the mold for compaction, demolding is carried out, processing of two outer molds is troublesome, one-by-one processing molding is required, the number of molds used for molding in a workshop is large, a large amount of space is occupied, confusion is easy to occur in the actual molding process, and if the molding sand is processed in two areas or in two workshops separately, the molding sand is easy to damage in the process of carrying the molding sand, so that the production cost is increased, and the production efficiency is also influenced.
Disclosure of Invention
In order to solve the problems, the utility model provides the modeling die for processing the speed reducer box body, which directly integrates two half-shell dies for modeling, and solves the problems of space occupation and modeling confusion of the die.
The utility model provides a modeling die for processing a speed reducer box body, which adopts the following technical scheme:
the modeling die for machining the speed reducer box comprises a substrate, wherein an upper shell modeling table is integrally formed on one side of the substrate, and a lower shell modeling table is integrally formed on one side of the substrate corresponding to the upper shell modeling table;
the upper shell modeling table comprises an upper end face modeling body, an upper shell modeling body and an upper pouring gate modeling body, wherein the upper pouring gate modeling body comprises a modeling straight pouring gate, a modeling horizontal pouring gate and an upper modeling inner pouring gate, one end of the upper modeling inner pouring gate is fixed with the modeling horizontal pouring gate, the other end of the upper modeling inner pouring gate is fixed with the upper shell modeling body, the upper end face modeling body is fixed on the upper shell modeling body, and a plurality of riser modeling bulges are arranged on the upper end face modeling body;
the lower shell modeling platform comprises a lower end face modeling body, a lower shell modeling body and a lower pouring gate modeling body, wherein the lower pouring gate modeling body comprises a modeling filtering pouring gate and a lower modeling inner pouring gate, the lower modeling inner pouring gate corresponds to the modeling transverse pouring gate, and the modeling filtering pouring gate corresponds to the modeling straight pouring gate.
The positions of the upper shell modeling body corresponding to the lower shell modeling body are respectively provided with shaft hole modeling protrusions, and shell groove modeling protrusions are symmetrically arranged on two sides of the upper shell modeling body and the lower shell modeling body.
Preferably, the bottom of the shell groove modeling bulge in the lower shell modeling body is integrally formed with a chill block placement groove bulge.
By adopting the technical scheme, the cold iron block placing groove can be formed by the protrusion of the cold iron block placing groove, and the effect of the cold iron is to accelerate the cooling speed of a part of the casting in the pouring process. The casting cooling device is matched with the riser, can strengthen sequential solidification of castings, strengthen local cooling speed of the castings, and accelerate cooling of certain special parts of the castings. The thickness of each part of the casting is uneven due to the structural requirement, some parts are thick, the cooling is slow in the cooling process, and the parts with thin wall thickness are fast, so that the cooling speed of each part of the same casting is uneven. The result is the possibility of shrinkage cavity or pulling apart the thin-walled part. In order to avoid the phenomenon, after the shaping is finished, a chiller is added at the part with thick wall thickness, and the chiller is used for absorbing the temperature of molten iron, accelerating the cooling speed of the part and shortening the time difference between the cooling speed and the cooling speed of the part with thin wall thickness.
The upper end surface modeling body and the lower end surface modeling body are symmetrically provided with oil groove modeling bulges.
The oil groove modeling bulge surface in the upper end surface modeling body is also integrally formed with a modeling main pouring channel bulge.
The upper end surface modeling body and the lower end surface modeling body are symmetrically provided with a plurality of concave modeling grooves.
In summary, the present utility model includes at least one of the following beneficial technical effects: this molding die for speed reducer box processing simple structure is in the same place two half shell molding dies direct integrated into one piece that are used for the molding, can once only make two molding sand dies, and two molding dies that the drawing of patterns come out can directly assemble the use, and the damage to molding die is less, can also practice thrift the space in the factory building simultaneously.
Drawings
Fig. 1 is a schematic diagram of a prior art structure for embodying a reducer casing.
Fig. 2 is a schematic diagram of a prior art structure for embodying an inner die.
Fig. 3 is a schematic view of a structure of a modeling table for embodying an upper shell according to an embodiment of the present utility model.
Fig. 4 is a schematic view of a structure for embodying the lower shell molding stage in the embodiment of the present utility model.
Reference numerals illustrate: 1. a substrate; 2. an upper shell modeling table; 21. shaping the upper end surface; 211. the riser modeling is convex; 22. shaping the upper shell part; 23. a sprue; 24. modeling a horizontal pouring channel; 25. an upper molding inner pouring channel; 3. a lower shell modeling table; 31. shaping the lower end surface; 32. a lower shell molding body; 33. molding and filtering pouring channels; 34. a lower molding inner pouring channel; 4. the shaft hole is shaped and raised; 5. the shell groove is shaped and raised; 6. the chill block placement groove is convex; 7. the oil groove is shaped into a bulge; 8. a concave modeling groove; 9. a speed reducer box; 10. and (5) an inner die.
Detailed Description
The utility model is described in further detail below with reference to fig. 3-4.
The embodiment of the utility model discloses a molding die for processing a speed reducer box body, which comprises a base plate 1, wherein an upper shell molding table 2 is integrally formed on one side of the base plate 1, a lower shell molding table 3 is integrally formed on one side of the base plate 1 corresponding to the upper shell molding table 2, and the molding die is only required to be placed into a sand box filled with molding sand during molding, then the molding sand is continuously filled into the sand box, then the molding die is compacted, the compacted whole body is taken out from the sand box, redundant parts are removed, and then the molding sand dies with molded two sides are gently removed.
The upper shell modeling table 2 comprises an upper end face modeling body 21, an upper shell modeling body 22 and an upper pouring gate modeling body, wherein the upper pouring gate modeling body comprises a modeling straight pouring gate 23, a modeling transverse pouring gate 24 and an upper modeling inner pouring gate 25, one end of the upper modeling inner pouring gate 25 is fixed with the modeling transverse pouring gate 24, the other end of the upper modeling inner pouring gate 25 is fixed with the upper shell modeling body 22, the upper end face modeling body 21 is fixed on the upper shell modeling body 22, and a plurality of riser modeling bulges 211 are arranged on the upper end face modeling body 21.
The lower shell modeling platform 3 comprises a lower end face modeling body 31, a lower shell modeling body 32 and a lower pouring channel modeling body, wherein the lower pouring channel modeling body comprises a modeling filtering pouring channel 33 and a lower modeling inner pouring channel 34, the lower modeling inner pouring channel 34 is arranged corresponding to the modeling transverse pouring channel 24, and the modeling filtering pouring channel 33 is arranged corresponding to the modeling straight pouring channel 23.
The lower molding inner runner 34 is arranged corresponding to the molding cross runner 24, the molding filtering runner 33 is arranged corresponding to the molding straight runner 23, when the upper shell and the lower shell are closed, the lower molding inner runner 34 can be communicated with the molding cross runner 24, and the molding filtering runner 33 can be communicated with the molding straight runner 23, so that casting is facilitated.
Referring to fig. 4, shaft hole molding protrusions 4 are respectively provided at positions of the upper shell molding body 22 corresponding to the lower shell molding body 32, shell groove molding protrusions 5 are symmetrically provided at both sides of the upper shell molding body 22 and the lower shell molding body 32, and chill block placement groove protrusions 6 are integrally formed at bottoms of the shell groove molding protrusions 5 in the lower shell molding body.
Referring to fig. 3, the upper end surface molding body 21 and the lower end surface molding body 31 are symmetrically provided with oil groove molding protrusions 7, the surface of the oil groove molding protrusions 7 in the upper end surface molding body 21 is integrally provided with molding main runner protrusions, and the upper end surface molding body 21 and the lower end surface molding body 31 are symmetrically provided with a plurality of concave molding grooves 8.
The embodiment of the utility model provides a modeling die for processing a speed reducer box body, which is implemented according to the following principle:
during molding, the molding die is placed into a sand box filled with molding sand, the molding sand is continuously filled into the sand box, then the molding sand is compacted, the compacted whole is taken out of the sand box, the redundant part is removed, and then the molding sand dies with molded two sides are gently removed.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides a molding die is used in processing of speed reducer box which characterized in that: comprises a base plate (1), wherein an upper shell modeling table (2) is integrally formed on one side of the base plate (1), a lower shell modeling table (3) is integrally formed on one side of the base plate (1) corresponding to the upper shell modeling table (2),
the upper shell modeling table (2) comprises an upper end surface modeling body (21), an upper shell modeling body (22) and an upper pouring gate modeling body, the upper pouring gate modeling body comprises a modeling straight pouring gate (23), a modeling transverse pouring gate (24) and an upper modeling inner pouring gate (25), one end of the upper modeling inner pouring gate (25) is fixed with the modeling transverse pouring gate (24), the other end of the upper modeling inner pouring gate (25) is fixed with the upper shell modeling body (22), the upper end surface modeling body (21) is fixed on the upper shell modeling body (22), a plurality of riser modeling bulges (211) are arranged on the upper end surface modeling body (21),
the lower shell modeling platform (3) comprises a lower end face modeling body (31), a lower shell modeling body (32) and a lower runner modeling body, the lower runner modeling body comprises a modeling filtering runner (33) and a lower modeling inner runner (34), the lower modeling inner runner (34) is arranged corresponding to the modeling cross runner (24), and the modeling filtering runner (33) is arranged corresponding to the modeling straight runner (23).
2. The molding die for machining a speed reducer box according to claim 1, wherein: the upper shell molding body (22) and the lower shell molding body (32) are respectively provided with shaft hole molding protrusions (4), and shell groove molding protrusions (5) are symmetrically arranged on two sides of the upper shell molding body (22) and the lower shell molding body (32).
3. The molding die for machining a speed reducer box according to claim 2, wherein: a chill block placement groove bulge (6) is integrally formed at the bottom of the shell groove modeling bulge (5) in the lower shell modeling body (32).
4. The molding die for machining a speed reducer box according to claim 1, wherein: the upper end surface modeling body (21) and the lower end surface modeling body (31) are symmetrically provided with oil groove modeling bulges (7).
5. The molding die for machining a speed reducer box according to claim 4, wherein: the surface of the oil groove modeling protrusion (7) in the upper end surface modeling body (21) is also integrally formed with a modeling main pouring channel protrusion.
6. The molding die for machining a speed reducer box according to claim 1, wherein: the upper end surface molding body (21) and the lower end surface molding body (31) are symmetrically provided with a plurality of concave molding grooves (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320411331.9U CN220161252U (en) | 2023-03-03 | 2023-03-03 | Modeling mold for machining speed reducer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320411331.9U CN220161252U (en) | 2023-03-03 | 2023-03-03 | Modeling mold for machining speed reducer box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220161252U true CN220161252U (en) | 2023-12-12 |
Family
ID=89067023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320411331.9U Active CN220161252U (en) | 2023-03-03 | 2023-03-03 | Modeling mold for machining speed reducer box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220161252U (en) |
-
2023
- 2023-03-03 CN CN202320411331.9U patent/CN220161252U/en active Active
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