CN105750496A - Method for modularizing saddle sand mold - Google Patents
Method for modularizing saddle sand mold Download PDFInfo
- Publication number
- CN105750496A CN105750496A CN201610214963.0A CN201610214963A CN105750496A CN 105750496 A CN105750496 A CN 105750496A CN 201610214963 A CN201610214963 A CN 201610214963A CN 105750496 A CN105750496 A CN 105750496A
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- China
- Prior art keywords
- casting mold
- saddle
- mold unit
- sand
- casting
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Classifications
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- 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
- B22C9/22—Moulds for peculiarly-shaped castings
Abstract
The invention relates to a method for modularizing a saddle sand mold. The method comprises the following steps: designing a saddle mold and preparing sand molds; cutting a casting mold into a first casting mold unit on the lower part and a second casting mold unit on the upper part, wherein the second casting mold unit comprises original four guide rail internal chamber cores requiring to be labeled and a jaw core; and printing the sand mold of each casting mold unit by 3DP adding material manufacturing equipment. According to the method provided by the invention, the inner chamber cores and the upper mold are connected with each other to form a whole body so as to form one casting mold unit integrally, no assembling is required, the casting mold unit is matched with the lower mold so as to form a complete cavity, the core labeling operation in the matching process of a saddle casting core in the prior art is avoided and the structural strength of the casting mold unit is ensured.
Description
Technical field
The present invention relates to sand casting field, a kind of method being specifically related to modular manufacturing vertical machining centre saddle casting sand mold.
Background technology
Saddle is one of key components and parts in vertical machining centre, and material is HT300, and Fig. 1 is shown in by typical case's saddle foundry goods.Different according to type, vertical machining centre saddle cast shape structure is similar, and overall size is different.Saddle effect on lathe is carrying workbench, is matched motion by guide rail with between lathe bed, workbench, and when control lathe works, work top completes the corresponding sports of X-axis, Y-axis.
Because increasing work top Y direction range of movement, it is possible to dramatically increase machine tooling size range, so longer by saddle longitudinal rail direction size design during Machine Tool design.During casting, saddle guide rail the gone out core of inner chamber (see figure 1) is longer, the diameter of axle is than generally between 7-10, go out whole core and the even disconnected core of core deformation easily occurs when cast, cause that casting dimension accuracy cannot ensure, so when designing the casting technique of saddle, generally the core in longitudinal rail is divided into two sections, every section of core (being commonly called as mushroom core) is fixed on mo(u)ld top half by two core prints of end face, this technique marks core operation due to needs, causing operation inconvenience, size is difficult to control to, and burning into sand defect often occurs.The patent documentation that notification number is CN102922302B discloses a kind of saddle structure and modularized design thinking thereof, but can not solve above-mentioned Problems existing.Therefore, how to design a kind of simplicity, reliable saddle sand mold manufacture method is the problem that this area needs solution badly.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of method designing and developing modular manufacturing saddle sand mold, it utilizes 3D to print the feature of containerless casting, inner chamber core and mo(u)ld top half being connected as a single entity, directly doing whole is a casting mold unit, it is not necessary to assembling, and casting mold unit coordinates with mo(u)ld bottom half, complete die cavity can be formed, the saddle foundry goods of dimensionally stable, smooth appearance and the mark core operation avoided in prior art in saddle core for cast engagement process after cast, can be obtained.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of method of modular manufacturing saddle sand mold, it is characterised in that comprise the following steps:
A, convert the two-dimentional drawing of saddle to threedimensional model, complete saddle three-dimensional casting technique G-Design on this basis；
B, one sand base matched with saddle three-dimensional casting technique size of structure, using the three-dimensional foundary methods drawing in step a as cutter, cut into a complete casting mold by sand base；
C, the casting mold of gained in step b is divided into and is easy to sand removal and applies the casting mold unit one being positioned at bottom of operation and the casting mold unit two on top, casting mold unit two includes originally needing four pieces of guide rail inner chamber cores of mark core and a jaw core, judge that saddle size is whether more than the print range of 3D printer, if saddle size is more than the print range of 3D printer, then it is designed to greater number of casting mold unit；Wherein, casting mold unit one, casting mold unit two side faces have all designed and have hung handle, are used for realizing sand removal, flow coat, core assembly, transfer operation；In casting mold unit two end face corner, design has rectangle support top boss everywhere, is used for promoting the position hanging handle under the precondition not increasing mold thickness, facilitates the operation of suspender belt；The design of casting mold unit two end face has location mouth of a river pad and riser buss, forms complete die cavity, and designs mouth of a river pad positioning seat and riser buss positioning seat accordingly；
D, the equipment that manufactures with 3DP increasing material print the sand mold of each casting mold unit, and clear up the scattered sand in surface；
E, by the casting mold unit inner surface water based paint flow coat in step d, proceed in baking oven dry, make casting mold fully dry；
F, by casting mold unit one, casting mold unit two, standardization mouth of a river pad, standardization riser buss assembling obtain complete casting mold.
Further, the two-dimentional drawing of saddle is converted to threedimensional model by 3 d modeling software.
Further, described rectangle support top boss height 15mm.
Further, in described step e, proceed in the baking oven of 110-140 DEG C, dry 20-30 minute.
Further, after step f, also including step g, to pouring molten iron in casting mold, after sufficiently cool, knockout obtains saddle foundry goods.
The beneficial effects of the present invention is:
The mark core avoiding mo(u)ld top half operates, and substantially reduces burning into sand risk.Casting mold assembly manipulation step plays minimizing, and core assembly mould assembling process efficiency significantly improves, and casting wasted product rate is greatly reduced.Vertical machining centre saddle foundry goods all can use this kind of method to cast, if saddle casting dimension is relatively big, exceed the existing printer range of work, it is possible to split in the longitudinal direction by each casting mold unit, but must be sure that inner chamber core is connected with upper mold, it is ensured that casting mold cellular construction intensity.
Accompanying drawing explanation
Fig. 1 is saddle casting structure figure.
Fig. 2 is the structure chart of casting mold unit one in the present invention.
Fig. 3 is the structure chart of casting mold unit two in the present invention.
Fig. 4 is the top surface structure figure of casting mold unit two in the present invention.
Fig. 5 is casting mold unit installation diagram in the present invention.
Wherein, 1, saddle inner chamber 2, casting mold unit one hangs handle 3, casting mold unit two hangs handle 4, guide rail inner chamber core (mushroom core) 5, support top boss 6, riser buss positioning seat, 7, mouth of a river pad positioning seat 8, riser buss, 9, mouth of a river pad.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with specific embodiment, the present invention is described in further detail.
The method of the modular manufacturing saddle sand mold of the present invention, comprises the following steps:
First, the design of saddle model and the preparation of sand mold it are by.Wherein, step a converts the two-dimentional drawing of saddle to threedimensional model, and this conversion can be realized by 3 d modeling software, it would however also be possible to employ other conversion regime in this area, and completes saddle three-dimensional casting technique G-Design on this basis.
After saddle three-dimensional casting technique G-Design completes, step b is the sand base (such as cuboid) of structure one and saddle three-dimensional casting technique matching size, using the saddle three-dimensional foundary methods drawing in step a as the cutter of standard or cutting, sand base is cut into a complete casting mold；This similar step b can be realized by 3 d modeling software, it would however also be possible to employ other technology in this area.
The concrete structure of saddle sand mold and corresponding manufacture method are discussed in detail below in conjunction with Fig. 2-5.
As Figure 2-3, adopt step c, in 3 d modeling software or alternate manner, the casting mold of gained in step b is divided into and is easy to sand removal and applies the casting mold unit one being positioned at bottom of operation and the casting mold unit two on top, preferably, can be divided into by direction from bottom to top and be easy to sand removal and apply the casting mold unit one (referring to Fig. 2) of operation, casting mold unit two (referring to Fig. 3), wherein, casting mold unit two includes originally needing four pieces of guide rail inner chamber cores of mark core and a jaw core.Adopt the mark core operation that this method for designing of the present invention can be avoided in prior art in saddle core for cast engagement process.
Similar saddle is all designed according to this scheme, owing to saddle size differs, the present invention have also been devised judgment mechanism, it is judged that whether saddle size is more than the print range of 3D printer, if saddle size is more than the print range of 3D printer, then it is designed to greater number of casting mold unit.Wherein it is possible to split in the longitudinal direction by each casting mold unit, but must be sure that inner chamber core is connected with upper mold, it is ensured that casting mold cellular construction intensity.
Additionally, casting mold unit one, casting mold unit two side faces have all designed and hung handle, it is used for realizing the operations such as sand removal, flow coat, core assembly, transhipment, referring specifically to seeing Fig. 2 and Fig. 3.Owing to casting mold unit two needs to be inverted in sand removal, flow coat operating process, hang the Anti-skid sheet on handle substantially to flush with casting mold unit two end face, cause that suspender belt is difficult to hang over and hang on handle, so design has rectangle support top boss everywhere in casting mold unit two end face corner, high 15mm(is referring to Fig. 4), it is used under the precondition not increasing mold thickness, promote the position hanging handle, facilitates the operation of suspender belt.Casting mold unit 2 end face, simultaneously need to assemble the mouth of a river, standardized location pad, riser buss, could form complete die cavity, leaves mouth of a river pad positioning seat (see figure 4) accordingly, it is preferred to 1, riser buss positioning seat (see figure 4), it is preferred to 6.
After saddle sand mold concrete structure has designed, 3D printing and subsequent treatment will be carried out.Wherein, step d, the equipment that manufactures with 3DP increasing material print the sand mold of each casting mold unit, and clear up the scattered sand in surface.Step e, by each casting mold unit inner surface water based paint flow coat in step d, proceed in the baking oven of 110-140 DEG C, dry 20 ~ 30 minutes, make casting mold fully dry.Step f, by casting mold unit one, casting mold unit two, standardization mouth of a river pad, standardization riser buss assembling obtain complete casting mold, referring to Fig. 5.Further, after obtaining the complete casting mold of saddle, it is also possible to include step g, to pouring molten iron in casting mold, after sufficiently cool, knockout obtains saddle foundry goods.
In sum, the method of the modular manufacturing saddle sand mold of the present invention, inner chamber core and mo(u)ld top half are connected as a single entity, directly doing whole is a casting mold unit, need not assemble, and casting mold unit coordinates with mo(u)ld bottom half, can form complete die cavity, the mark core operation avoided in prior art in saddle core for cast engagement process, and ensure that casting mold cellular construction intensity.
Above the method for a kind of modular manufacturing saddle sand mold provided by the present invention is described in detail, principle and the embodiment of the application are set forth by embodiment used herein, and the explanation of above example is only intended to help and understands the present processes and core concept thereof；Simultaneously for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this specification content should not be construed as the restriction to the application.
Claims (5)
1. the method for a modular manufacturing saddle sand mold, it is characterised in that comprise the following steps:
A, convert the two-dimentional drawing of saddle to threedimensional model, complete saddle three-dimensional casting technique G-Design on this basis；
B, one sand base matched with saddle three-dimensional casting technique size of structure, using the three-dimensional foundary methods drawing in step a as cutter, cut into a complete casting mold by sand base；
C, the casting mold of gained in step b is divided into and is easy to sand removal and applies the casting mold unit one being positioned at bottom of operation and the casting mold unit two on top, casting mold unit two includes originally needing four pieces of guide rail inner chamber cores of mark core and a jaw core, judge that saddle size is whether more than the print range of 3D printer, if saddle size is more than the print range of 3D printer, then it is designed to greater number of casting mold unit；Wherein, casting mold unit one, casting mold unit two side faces have all designed and have hung handle, are used for realizing sand removal, flow coat, core assembly, transfer operation；In casting mold unit two end face corner, design has rectangle support top boss everywhere, is used for promoting the position hanging handle under the precondition not increasing mold thickness, facilitates the operation of suspender belt；The design of casting mold unit two end face has location mouth of a river pad and riser buss, forms complete die cavity, and designs mouth of a river pad positioning seat and riser buss positioning seat accordingly；
D, the equipment that manufactures with 3DP increasing material print the sand mold of each casting mold unit, and clear up the scattered sand in surface；
E, by the casting mold unit inner surface water based paint flow coat in step d, proceed in baking oven dry, make casting mold fully dry；
F, by casting mold unit one, casting mold unit two, standardization mouth of a river pad, standardization riser buss assembling obtain complete casting mold.
2. the method for claim 1, it is characterised in that convert the two-dimentional drawing of saddle to threedimensional model by 3 d modeling software.
3. the method for claim 1, it is characterised in that described rectangle support top boss height 15mm.
4. the method for claim 1, it is characterised in that in described step e, proceeds in the baking oven of 110-140 DEG C, dries 20-30 minute.
5. the method for claim 1, it is characterised in that after step f, also includes step g, to pouring molten iron in casting mold, and after sufficiently cool, knockout obtains saddle foundry goods.
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| CN201610214963.0A CN105750496B (en) | 2016-04-08 | 2016-04-08 | A kind of method of modular manufacturing saddle sand mold |
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| CN201610214963.0A CN105750496B (en) | 2016-04-08 | 2016-04-08 | A kind of method of modular manufacturing saddle sand mold |
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| CN105750496B CN105750496B (en) | 2018-01-12 |
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Cited By (7)
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| CN106141096A (en) * | 2016-08-25 | 2016-11-23 | 四川南车共享铸造有限公司 | A kind of casting method of the railway locomotive pump housing |
| CN106345973A (en) * | 2016-08-25 | 2017-01-25 | 四川南车共享铸造有限公司 | Locomotive oil inlet casing sand core and manufacturing method thereof |
| CN106378422A (en) * | 2016-08-30 | 2017-02-08 | 宁夏共享模具有限公司 | Forming method of jaw part of machine tool piece |
| CN106475518A (en) * | 2016-09-29 | 2017-03-08 | 宁夏共享模具有限公司 | For casting sand mold and its manufacture method of rotary structure foundry goods |
| CN106670383A (en) * | 2016-11-30 | 2017-05-17 | 宁夏共享模具有限公司 | Sand mould used for casting machine tool double-arm vertical column casting and manufacturing method of sand mould |
| CN108246979A (en) * | 2018-02-28 | 2018-07-06 | 共享智能铸造产业创新中心有限公司 | A kind of casting method of axis class casting |
| CN111992666A (en) * | 2020-08-24 | 2020-11-27 | 安徽合力股份有限公司合肥铸锻厂 | Sand mold of engine cylinder cover casting mold and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106141096A (en) * | 2016-08-25 | 2016-11-23 | 四川南车共享铸造有限公司 | A kind of casting method of the railway locomotive pump housing |
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| CN106670383A (en) * | 2016-11-30 | 2017-05-17 | 宁夏共享模具有限公司 | Sand mould used for casting machine tool double-arm vertical column casting and manufacturing method of sand mould |
| CN106670383B (en) * | 2016-11-30 | 2019-05-21 | 共享智能装备有限公司 | For casting the sand mold and its manufacturing method of lathe both arms Pillar Castings |
| CN108246979A (en) * | 2018-02-28 | 2018-07-06 | 共享智能铸造产业创新中心有限公司 | A kind of casting method of axis class casting |
| CN108246979B (en) * | 2018-02-28 | 2020-01-07 | 共享智能铸造产业创新中心有限公司 | Casting method of shaft casting |
| CN111992666A (en) * | 2020-08-24 | 2020-11-27 | 安徽合力股份有限公司合肥铸锻厂 | Sand mold of engine cylinder cover casting mold and preparation method thereof |
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| CN105750496B (en) | 2018-01-12 |
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Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee after: Shared Intelligent Equipment Co., Ltd. Address before: 750021 Yinchuan, the Ningxia Hui Autonomous Region Xixia District ningshuo South Street No. 298 Patentee before: Ningxia Kocel Pattern Co., Ltd. |