CN108746494B - Casting sand core mould of hydraulic electromagnetic valve of engineering machinery - Google Patents
Casting sand core mould of hydraulic electromagnetic valve of engineering machinery Download PDFInfo
- Publication number
- CN108746494B CN108746494B CN201810900916.0A CN201810900916A CN108746494B CN 108746494 B CN108746494 B CN 108746494B CN 201810900916 A CN201810900916 A CN 201810900916A CN 108746494 B CN108746494 B CN 108746494B
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- sand
- sand core
- mold
- box
- mould
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- 238000005266 casting Methods 0.000 title claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 62
- 244000035744 Hura crepitans Species 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- 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 relates to a casting sand core mould of a hydraulic electromagnetic valve of engineering machinery, which is characterized in that: comprises a sand box, a sand mould and a sand core group; the sand core group is arranged on the sand mould, the sand core group and the sand mould are arranged in the sand box to form a casting cavity together with the sand box, and the sand core group and the sand mould are positioned on the sand box; according to the invention, the combination of the sand core group and the sand mold is used as the casting of the hydraulic electromagnetic valve, and the hollow sand core structure is adopted, so that the sand core is lighter, the sand consumption is reduced, the cost is reduced, reasonable parting positions are selected, the number of sand core assembly is minimized under the condition of reducing the use of loose pieces, and the casting production process of the hydraulic electromagnetic valve is simplified.
Description
Technical Field
The invention relates to the field of casting industry, in particular to a casting sand core mould of a hydraulic electromagnetic valve of engineering machinery.
Background
The casting mode of the hydraulic solenoid valve is generally adopted for molding, the inner cavity of the casting sand core is complex, a large number of protruding blocks are contained in the casting sand core, a plurality of macropores communicated with the outside are formed, a plurality of positioning blocks are generally arranged between sand box shells to divide a cavity formed by the sand box into two parts, and besides, the sand core is arranged, so that the design difficulty of the sand core is increased. At present, the conventional hydraulic electromagnetic valve of engineering machinery has more sand core assembly procedures, and needs a plurality of loose pieces and sand cores, and the conventional sand core structure has the defects that: the multi-core opening box and more movable blocks are needed, the production process is complex, time and labor are wasted, and the cost is increased. Therefore, a need exists for a sand core that can be positioned quickly, uses a small amount of sand, and is efficient in achieving production of hydraulic solenoid valves for construction machinery.
Disclosure of Invention
The invention aims to solve the technical problems of large sand consumption, more sand cores, more movable blocks and high cost in a casting mould of a hydraulic electromagnetic valve of an engineering machine.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a hydraulic solenoid valve casting sand mandrel of engineering machine tool, its innovation point lies in: comprises a sand box, a sand mould and a sand core group; the sand core group is arranged on the sand mould, the sand core group and the sand mould are arranged in the sand box to form a casting cavity together with the sand box, and the sand core group and the sand mould are positioned on the sand box;
the sand box is of an open hollow box body structure, and notches matched with the sand mold are formed in two side edges of the sand box; the sand mold is embedded in the sand box and matched with the end face of the sand box and a notch on the sand box; the sand mold is of a rectangular frame structure, and one end corner of the sand mold is in a notch shape; the inner walls of two opposite sides of the sand mould are provided with sand core group positioning grooves;
the sand core group comprises sand core blocks, a sand core frame and a sand core base, wherein the sand core base is respectively embedded into a sand core group positioning groove on the inner wall of a sand mold, the sand core frame is horizontally connected to the side edge of the sand mold, which is not provided with the sand core group positioning groove, and sand core strips connected with the sand core base on the inner wall of one side of the sand mold are respectively arranged on the two ends, which are close to the inner wall of the sand mold, of the sand core frame; a plurality of sand core blocks connected with a sand core base on the inner wall of the other side of the sand mold are arranged in the middle of the sand core frame;
the sand core block comprises a first sand core block, a second sand core block and a third sand core block which are in a split type structure, and the first sand core block, the second sand core block and the third sand core block are sequentially and coaxially arranged on a sand core frame.
Further, the sand core frame is a pair of cylindric structure, and the sand core both ends of this cylindric pair of are connected respectively on the sand mould, are provided with the clearance that holds the sand core piece in the middle of the sand core frame.
Furthermore, the first sand core block, the second sand core block and the third sand core block are connected with the sand core base on the inner wall of the other side of the sand mold in an embedding way in the horizontal direction.
The invention has the advantages that:
1) According to the invention, the combination of the sand core group and the sand mold is used as the casting of the hydraulic electromagnetic valve, and the hollow sand core structure is adopted, so that the sand core is lighter, the sand consumption is reduced, the cost is reduced, reasonable parting positions are selected, the number of sand core assembly is minimized under the condition of reducing the use of loose pieces, and the casting production process of the hydraulic electromagnetic valve is simplified.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is an exploded front view of an engineered hydraulic solenoid valve casting sand core mold of the present invention.
Detailed Description
The following examples will provide those skilled in the art with a more complete understanding of the present invention and are not intended to limit the invention to the embodiments described.
The hydraulic electromagnetic valve casting sand core mould of the engineering machinery as shown in fig. 1 comprises a sand box 1, a sand mould 2 and a sand core group 3; the sand core group 3 is arranged on the sand mould 2, the sand core group 3 and the sand mould 2 are arranged in the sand box 1 to form a casting cavity together with the sand box 1, and the sand core group 3 and the sand mould 2 are positioned on the sand box 1.
The sand box 1 is of an open hollow box body structure, and notches matched with the sand mould 2 are formed on two side edges of the sand box 1; the sand mold 2 is embedded in the sand box 1 and matched with the end face of the sand box 1 and a notch on the sand box 1; the sand mold 2 is of a rectangular frame structure, and one end corner of the sand mold 2 is in a notch shape; the inner wall of one of the opposite two side edges of the sand mold 2 is provided with a sand core group positioning groove.
The sand core group 3 comprises sand core blocks 31, a sand core frame 32 and a sand core base 33, wherein the sand core base 33 is respectively embedded into a sand core group positioning groove on the inner wall of the sand mould 2, the sand core frame 32 is horizontally connected to the side edge of the sand mould 2, which is not provided with the sand core group positioning groove, and the two ends, close to the inner wall of the sand mould 2, of the sand core frame 32 are respectively provided with sand core strips 34 connected with the sand core base 33 on the inner wall of one side of the sand mould 2; a plurality of sand core blocks 31 connected with a sand core base 33 on the inner wall of the other side of the sand mold 2 are arranged in the middle of the sand core frame 32.
The sand core block 31 is of a split type structure and comprises a first sand core block 311, a second sand core block 312 and a third sand core block 313, and the first sand core block 311, the second sand core block 312 and the third sand core block 313 are sequentially and coaxially arranged on the sand core frame 32.
The sand core frame 32 is a pair of cylindric structures, and the both ends of this cylindric sand core frame 32 are connected respectively on sand mould 2, are provided with the clearance that holds sand core piece 31 in the middle of the sand core frame 32.
The first sand core block 311, the second sand core block 312 and the third sand core block 313 are connected with the sand core base 33 on the inner wall of the other side of the sand mold 2 in a horizontal embedded mode.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a hydraulic solenoid valve casting sand mandrel of engineering machine tool which characterized in that: comprises a sand box, a sand mould and a sand core group; the sand core group is arranged on the sand mould, the sand core group and the sand mould are arranged in the sand box to form a casting cavity together with the sand box, and the sand core group and the sand mould are positioned on the sand box;
the sand box is of an open hollow box body structure, and notches matched with the sand mold are formed in two side edges of the sand box; the sand mold is embedded in the sand box and matched with the end face of the sand box and a notch on the sand box; the sand mold is of a rectangular frame structure, and one end corner of the sand mold is in a notch shape; the inner walls of two opposite sides of the sand mould are provided with sand core group positioning grooves;
the sand core group comprises sand core blocks, a sand core frame and a sand core base, wherein the sand core base is respectively embedded into a sand core group positioning groove on the inner wall of a sand mold, the sand core frame is horizontally connected to the side edge of the sand mold, which is not provided with the sand core group positioning groove, and sand core strips connected with the sand core base on the inner wall of one side of the sand mold are respectively arranged on the two ends, which are close to the inner wall of the sand mold, of the sand core frame; a plurality of sand core blocks connected with a sand core base on the inner wall of the other side of the sand mold are arranged in the middle of the sand core frame;
the sand core block comprises a first sand core block, a second sand core block and a third sand core block which are in a split type structure, and the first sand core block, the second sand core block and the third sand core block are sequentially and coaxially arranged on a sand core frame.
2. The hydraulic solenoid valve casting sand core mold of engineering machinery according to claim 1, wherein: the sand core frame is a pair of cylindric structure, and the sand core both ends of this cylindric pair of are connected respectively on the sand mould, are provided with the clearance that holds the sand core piece in the middle of the sand core frame.
3. The hydraulic solenoid valve casting sand core mold of engineering machinery according to claim 1, wherein: and the first sand core block, the second sand core block and the third sand core block are connected with the sand core base on the inner wall of the other side of the sand mold in an embedding way in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900916.0A CN108746494B (en) | 2018-08-09 | 2018-08-09 | Casting sand core mould of hydraulic electromagnetic valve of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900916.0A CN108746494B (en) | 2018-08-09 | 2018-08-09 | Casting sand core mould of hydraulic electromagnetic valve of engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108746494A CN108746494A (en) | 2018-11-06 |
| CN108746494B true CN108746494B (en) | 2024-01-26 |
Family
ID=63969370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900916.0A Active CN108746494B (en) | 2018-08-09 | 2018-08-09 | Casting sand core mould of hydraulic electromagnetic valve of engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746494B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1959123A1 (en) * | 2007-02-15 | 2008-08-20 | Peugeot Citroen Automobiles SA | Internal combustion engine comprising an air intake distributor and method of manufacturing such a distributor |
| CN102921897A (en) * | 2012-09-27 | 2013-02-13 | 贺秉祥 | Pouring production process used for automobile engine casting combined core |
| CN103264144A (en) * | 2013-03-05 | 2013-08-28 | 南通华东油压科技有限公司 | Dedicated core of multipath hydraulic control main body valve for manufacturing heavy duty excavator |
| KR20140022094A (en) * | 2014-02-06 | 2014-02-21 | 우신공업 주식회사 | Hollow member molding apparatus and molding method |
| CN105215271A (en) * | 2015-10-29 | 2016-01-06 | 共享铸钢有限公司 | A kind of cored-up mould sand mould structure of gear box casing foundry goods and cored-up mould method |
| CN105598382A (en) * | 2016-02-29 | 2016-05-25 | 共享装备股份有限公司 | Core assembly positioning device and core assembly method |
| CN206500585U (en) * | 2017-01-07 | 2017-09-19 | 潍柴重机股份有限公司 | Sand core for casting fastener |
| CN208743616U (en) * | 2018-08-09 | 2019-04-16 | 江苏力源金河铸造有限公司 | A kind of engineering machinery hydraulic solenoid valve casting sand core mould |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010013264A1 (en) * | 2010-03-29 | 2011-09-29 | Continental Automotive Gmbh | Turbocharger housing with a valve device and method for producing such a turbocharger housing |
-
2018
- 2018-08-09 CN CN201810900916.0A patent/CN108746494B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1959123A1 (en) * | 2007-02-15 | 2008-08-20 | Peugeot Citroen Automobiles SA | Internal combustion engine comprising an air intake distributor and method of manufacturing such a distributor |
| CN102921897A (en) * | 2012-09-27 | 2013-02-13 | 贺秉祥 | Pouring production process used for automobile engine casting combined core |
| CN103264144A (en) * | 2013-03-05 | 2013-08-28 | 南通华东油压科技有限公司 | Dedicated core of multipath hydraulic control main body valve for manufacturing heavy duty excavator |
| KR20140022094A (en) * | 2014-02-06 | 2014-02-21 | 우신공업 주식회사 | Hollow member molding apparatus and molding method |
| CN105215271A (en) * | 2015-10-29 | 2016-01-06 | 共享铸钢有限公司 | A kind of cored-up mould sand mould structure of gear box casing foundry goods and cored-up mould method |
| CN105598382A (en) * | 2016-02-29 | 2016-05-25 | 共享装备股份有限公司 | Core assembly positioning device and core assembly method |
| CN206500585U (en) * | 2017-01-07 | 2017-09-19 | 潍柴重机股份有限公司 | Sand core for casting fastener |
| CN208743616U (en) * | 2018-08-09 | 2019-04-16 | 江苏力源金河铸造有限公司 | A kind of engineering machinery hydraulic solenoid valve casting sand core mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108746494A (en) | 2018-11-06 |
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