CN203649323U - Diesel engine front end box lubricating oil cavity sand core forming tool - Google Patents
Diesel engine front end box lubricating oil cavity sand core forming tool Download PDFInfo
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- CN203649323U CN203649323U CN201320807749.8U CN201320807749U CN203649323U CN 203649323 U CN203649323 U CN 203649323U CN 201320807749 U CN201320807749 U CN 201320807749U CN 203649323 U CN203649323 U CN 203649323U
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- sand core
- core
- core forming
- several
- forming frock
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- 239000010687 lubricating oil Substances 0.000 title abstract 5
- 230000001050 lubricating effect Effects 0.000 claims description 31
- 238000000034 method Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007849 furan resin Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a front end box lubricating oil cavity sand core forming tool which comprises a middle sand core forming tool and a final whole sand core forming tool, wherein the middle sand core forming tool comprises a rectangular frame and a middle sand core baseboard; two longitudinal sideboards and two end face transverse boards of the final whole sand core forming tool are spiced to form a rectangular frame; the baseboard is embedded on the lower side of the rectangular frame through a plurality of positioning blocks; and the two ends of a middle transverse board are clamped in the longitudinal sideboards. The forming method comprises the following steps: (1) prefabricating a middle sand core, (2) positioning the middle sand core; (3) spicing the final whole sand core forming tool; and (4) finally forming the front end box lubricating oil cavity sand core. Separated type structure of a diesel engine front end box lubricating oil cavity sand core is changed into a whole structure, so that the length and perpendicularity tolerance of the lubricating oil cavity sand core of the front end box meet requirements, the finished product ratio of the diesel engine front end boxes is increased, and molding and mold match processes are convenient.
Description
Technical field
The utility model relates to the forming frock of a kind of casting box model core, and particularly a kind of core frock for the moulding of diesel engine front end casing lubricating cavity, belongs to casting mould technical field.
Background technology
At present, along with diesel engine new architecture is towards lightweight, high-power, modularization future development, the diesel engine front end casing of numerous becoming one of function is presented to the feature of complex structure, thin-walled, especially the lubricating cavity wall of diesel engine front end casing is thin, cavity geometry is complicated causes the making of lubricating cavity core difficult.Existing diesel engine front end casing lubricating cavity core adopts split-type structural, and core is longitudinally divided into three sections of cores and splices successively, is spliced into entirety by the long draw through three sections of cores.Lubricating cavity core length dimension and the squareness tolerance of this splicing construction are all wayward, in the time of the machined of front end casing, often occur in front end casing between two cavitys that wall thickness connects, the processing of external flanges mouth less than etc. problems, cause diesel engine front end casing scrappage very high, production cost improves greatly, and production efficiency is had a strong impact on.
Utility model content
The purpose of this utility model is to provide a kind of all-in-one-piece diesel engine front end casing lubricating cavity core forming frock, and lubricating cavity core length dimension and the squareness tolerance of front end casing are met the requirements, and improves the product qualified rate of diesel engine front end case.
The utility model is achieved by the following technical programs:
A kind of front end casing lubricating cavity core forming frock, comprise the middle core forming frock of separation-type and detachable final integral core forming frock, in the middle of described separation-type, core forming frock comprises Integral rectangular framework and the middle core base plate that is inlaid in Integral rectangular framework underside, in the middle of described, on core base plate, have the several special-shaped counterbore matching with the superimposed core head shapes of middle core, in the middle of the distance of several special-shaped counterbores, be provided with base plate circular hole, described detachable final integral core forming frock comprises base plate, longitudinal side plate of both sides, the end face transverse slat at two ends and middle transverse slat, described longitudinal side plate inner side is shaped with the several raised lines that match with front end casing lubricating cavity core longitudinal shape, two longitudinal side plates, two end face transverse slats are spliced into rectangular frame by the first horizontal draw-in groove at longitudinal side plate two ends respectively, base plate is inlaid in rectangular frame downside by several piece locating piece, described rectangular frame two ends are clamped and are connected by several securing members that pass across longitudinal side plate two ends respectively, middle transverse slat two ends are stuck in two the second horizontal draw-in grooves in the middle of longitudinal side plate medial surface.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid front end casing lubricating cavity core forming frock, in the middle of wherein said, transverse slat becomes L shaped, L shaped level board is resisted against on base plate, L shaped vertical panel is divided into several piece vertical panel piecemeal, in the rectangle vertical panel that described several piece vertical panel piecemeal pieces together, have the several irregularly-shaped holes that match with middle core shape, transverse slat circular hole in the middle of being provided with in the middle of the distance of several irregularly-shaped holes, vertical panel two ends are stuck in two the second horizontal draw-in grooves in the middle of longitudinal side plate medial surface.
Aforesaid front end casing lubricating cavity core forming frock, wherein said Integral rectangular framework one end is provided with upper plate, and described upper plate one side is resisted against corresponding end face transverse slat medial surface upside.
Front end casing lubricating cavity core forming frock of the present utility model changes the split-type structural of the diesel engine front end casing lubricating cavity core of existing three sections of cores into monolithic construction, lubricating cavity core length dimension and the squareness tolerance of front end casing are met the requirements, improve the yield rate of diesel engine front end casing, facilitated moulding and joined mold process.
Advantage and disadvantage of the present utility model, by for illustration and explanation the non-limitative illustration by preferred embodiment below, these embodiment, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the front view of front end casing lubricating cavity core;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the top view of core forming frock in the middle of the utility model separation-type;
Fig. 4 is the B-B cutaway view of Fig. 4;
Fig. 5 is the top view of the utility model detachable final integral core forming frock;
Fig. 6 is the C-C partial sectional view of Fig. 5.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As depicted in figs. 1 and 2, the length of front end casing lubricating cavity core 1 reaches more than 1 meter, the cavity shape of cross section complexity of intermediate portion, and prior art cannot be made all-in-one-piece front end casing lubricating cavity core 1.
The utility model comprises the middle core forming frock 3 of separation-type and detachable final integral core forming frock 4, as shown in Figure 3 and Figure 4, in the middle of separation-type, core forming frock 3 comprises Integral rectangular framework 31 and the middle core base plate 32 that is inlaid in Integral rectangular framework underside, in the middle of described, on core base plate 32, have the several special-shaped counterbore 321 matching with middle core shape, in the middle of the distance of several special-shaped counterbores 321, be provided with base plate circular hole 322.The rectangular configuration that middle core base plate 32 also can adopt polylith floor pack 323 to be combined into.
As shown in Figure 5 and Figure 6, detachable final integral core forming frock 4 comprises longitudinal side plate 42 of base plate 41, both sides, end face transverse slat 43 and the middle transverse slat 44 at two ends, and longitudinally side plate 42 outsides are with several perpendicular muscle 421, to improve its intensity.Longitudinally side plate 42 inner sides are shaped with two raised lines 422 that match with front end casing lubricating cavity core longitudinal shape, two longitudinal side plates 42, two end face transverse slats 43 are spliced into rectangular frame by the first horizontal draw-in groove 423 at longitudinal side plate 42 two ends respectively, base plate 41 is inlaid in rectangular frame downside by several piece locating piece 411, and rectangular frame two ends are clamped and connected by totally 4 fastening screw nut groups that pass across longitudinal side plate two ends 45.
Middle 44 one-tenth of transverse slats are L shaped, L shaped level board 441 is on base plate 41, L shaped vertical panel 442 is divided into several piece vertical panel piecemeal, described several piece vertical panel piecemeal pieces together and in orthogonal vertical panel 442, has 2 irregularly-shaped holes that match with middle core shape, transverse slat circular hole 443 in the middle of being provided with in the middle of the distance of 2 irregularly-shaped holes, vertical panel 442 two ends are stuck in two the second horizontal draw-in grooves 424 in the middle of longitudinal side plate 42.Integral rectangular framework one end is provided with upper plate 46, and described upper plate 46 1 sides are resisted against corresponding end face transverse slat 43 medial surface upsides.
The process that adopts the utility model to make front end casing lubricating cavity core comprises the following steps:
1) prefabricated middle core 11
Diameter is greater than to diameter of steel tube 2～3mm aluminium alloy bars and inserts in the middle core forming frock 3 of separation-type, aluminium alloy bars lower end is injected in the positioning round orifice 321 on frock base plate; The cavity that fills up the middle core forming frock 3 of separation-type with furan resin self curing sand makes middle core 11; After described middle core 11 forming and hardenings, take out aluminium alloy bars, by 180 ° of core forming frock frock upsets in the middle of separation-type, middle core 11 self fallings, and remove by the assembled middle core base plate 32 of several piece floor pack 322, at middle core 11 outer surface paints, in the middle of completing, core 11 is made;
2) in the middle of, core 11 is located
In the middle of middle core 11 is positioned at, transverse slat 44 deviates from the side of upper plate 46 1 sides, the protruding pipe 111 of middle core 11 1 sides embeds in middle transverse slat circular hole 443, the middle transverse slat 44 of core 11 in the middle of installing is positioned on base plate 41, then will on outer peripheral face, be covered with steel pipe 2 levels of multiple steam vents through the protruding pipe 111 of middle core 11, being supported on steel pipe 2 in protruding pipe 111 both can exhaust, can improve again the intensity of front end casing lubricating cavity core 1.
3) assembled detachable final integral core forming frock
Two longitudinal side plates 42, two end face transverse slats 43 are positioned on base plate, by 4 securing members that pass across longitudinal side plate 42 two ends, two longitudinal side plates 42, two end face transverse slats 43 are clamped to the assembled rectangular frame that connects into, steel pipe 2 both ends of the surface are resisted against respectively on end face transverse slat 43 medial surfaces.
4) front end casing lubricating cavity core 1 final molding
In the cavity of detachable final integral core forming frock 4, insert furan resin self curing sand, after front end casing lubricating cavity core forming and hardening, remove rectangular frame, blocked breaking is except the vertical panel piecemeal of middle transverse slat 44, take out front end casing lubricating cavity core, at front end casing lubricating cavity core 1 outer surface paint, complete the making of front end casing lubricating cavity core 1.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (4)
1. a front end casing lubricating cavity core forming frock, it is characterized in that: comprise the middle core forming frock of separation-type and detachable final integral core forming frock, in the middle of described separation-type, core forming frock comprises Integral rectangular framework and the middle core base plate that is inlaid in Integral rectangular framework underside, in the middle of described, on core base plate, have the several special-shaped counterbore matching with the superimposed core head shapes of middle core, in the middle of the distance of several special-shaped counterbores, be provided with base plate circular hole, described detachable final integral core forming frock comprises base plate, longitudinal side plate of both sides, the end face transverse slat at two ends and middle transverse slat, described longitudinal side plate inner side is shaped with the several raised lines that match with front end casing lubricating cavity core longitudinal shape, two longitudinal side plates, two end face transverse slats are spliced into rectangular frame by the first horizontal draw-in groove at longitudinal side plate two ends respectively, base plate is inlaid in rectangular frame downside by several piece locating piece, described rectangular frame two ends are clamped and are connected by several securing members that pass across longitudinal side plate two ends respectively, middle transverse slat two ends are stuck in two the second horizontal draw-in grooves in the middle of longitudinal side plate medial surface.
2. front end casing lubricating cavity core forming frock as claimed in claim 1, it is characterized in that: in the middle of described, transverse slat becomes L shaped, L shaped level board is resisted against on base plate, L shaped vertical panel is divided into several piece vertical panel piecemeal, in the rectangle vertical panel that described several piece vertical panel piecemeal pieces together, have the several irregularly-shaped holes that match with middle core shape, transverse slat circular hole in the middle of being provided with in the middle of the distance of several irregularly-shaped holes, vertical panel two ends are stuck in two the second horizontal draw-in grooves in the middle of longitudinal side plate medial surface.
3. front end casing lubricating cavity core forming frock as claimed in claim 1, is characterized in that: described Integral rectangular framework one end is provided with upper plate, and described upper plate one side is resisted against corresponding end face transverse slat medial surface upside.
4. front end casing lubricating cavity core forming frock as claimed in claim 1, is characterized in that: it is assembled that in the middle of described, core base plate adopts several piece floor pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807749.8U CN203649323U (en) | 2013-12-11 | 2013-12-11 | Diesel engine front end box lubricating oil cavity sand core forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807749.8U CN203649323U (en) | 2013-12-11 | 2013-12-11 | Diesel engine front end box lubricating oil cavity sand core forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649323U true CN203649323U (en) | 2014-06-18 |
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ID=50915760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320807749.8U Expired - Fee Related CN203649323U (en) | 2013-12-11 | 2013-12-11 | Diesel engine front end box lubricating oil cavity sand core forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203649323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624217A (en) * | 2013-12-11 | 2014-03-12 | 中船动力有限公司 | Forming tool and forming method of lubricating oil chamber sand core of diesel engine front end box body |
-
2013
- 2013-12-11 CN CN201320807749.8U patent/CN203649323U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624217A (en) * | 2013-12-11 | 2014-03-12 | 中船动力有限公司 | Forming tool and forming method of lubricating oil chamber sand core of diesel engine front end box body |
| CN103624217B (en) * | 2013-12-11 | 2016-08-17 | 中船动力有限公司 | Diesel engine front end box body forming tool and forming method of lubricating oil chamber sand core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 212211 No. 402, Changjiang Road, Zhenjiang City, Jiangsu Province Patentee after: China Shipbuilding Power Zhenjiang Co.,Ltd. Address before: 402 Changjiang Road, Runzhou District, Zhenjiang City, Jiangsu Province Patentee before: CSSC MARINE POWER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 |