CN220574672U - Engine base sand mould - Google Patents
Engine base sand mould Download PDFInfo
- Publication number
- CN220574672U CN220574672U CN202321916826.3U CN202321916826U CN220574672U CN 220574672 U CN220574672 U CN 220574672U CN 202321916826 U CN202321916826 U CN 202321916826U CN 220574672 U CN220574672 U CN 220574672U
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- Prior art keywords
- shell
- sand
- casting
- injection mold
- mold core
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- 239000004576 sand Substances 0.000 title claims abstract description 97
- 238000005266 casting Methods 0.000 claims abstract description 76
- 238000002347 injection Methods 0.000 claims abstract description 64
- 239000007924 injection Substances 0.000 claims abstract description 64
- 238000007493 shaping process Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000465 moulding Methods 0.000 abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 54
- 229910052742 iron Inorganic materials 0.000 description 27
- 238000000034 method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides a base sand mould, belongs to the technical field of sand moulds, and solves the problems of more moulds and higher mould manufacturing and using costs in the existing base sand mould. The base sand mould comprises an injection mould core and an outer mould shell, wherein the injection mould core is formed by splicing a first injection mould core and a second injection mould core, a pouring cup is arranged on the injection mould core, a plurality of casting channels are formed in the first injection mould core and the second injection mould core, the casting channels are communicated with the bottom side of the pouring cup, the outer mould shell is formed by splicing a first outer sand shell, a second outer sand shell, a third outer sand shell and a fourth outer sand shell end to end in sequence, the outer mould shell is arranged on the periphery of the injection mould core, a plurality of molding cavities are formed between the injection mould core and the outer mould shell, and casting outlets are formed in one ends, close to the molding cavities, of the plurality of casting channels. The utility model has the effect of reducing the number of dies used when the base casting mould is performed.
Description
Technical Field
The utility model belongs to the technical field of sand molds, and relates to a sand mold, in particular to a stand sand mold.
Background
In the existing electromechanical industry, a motor is a very common power device, a stand is the most basic and indispensable part of the motor, and the motor has an extremely important position in the field of mechanical manufacturing. The manufacture of the stand is generally completed by adopting processes such as resin sand, clay sand, sand mold and the like, wherein the sand mold process has the advantages of accurate size, high appearance smoothness, easy molding and the like in the aspect of casting of the small stand.
At present, the design and manufacture of small-sized stand sand mould moulds in China generally adopts a mode of combining 6 sets of moulds and 8 sand shells, wherein a pouring cup and a core sand shell are designed in a split mode, the pouring cup is completed as a single set of moulds, the labor and the labor are wasted, the mould manufacturing and the use cost are high, workers need to carefully compare the shape and the direction of the sand shells in the process of combining the sand shells, the situation that the sand shells are combined with wrong directivity is slightly careless, and after the sand shells are combined, the positions of a fire inlet and a pouring channel need to be bonded and dried by using an adhesive, so that the working efficiency is low; in addition, in the casting process, the adhesive is extremely easy to generate gas, so that air holes appear on the casting, and finally the casting becomes waste.
Unreasonable design and manufacture of the base sand mould die can occur with high cost, complex process, low yield and the like.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a base sand mould, which aims to solve the technical problems that: how to reduce the number of dies used when the base casting is performed.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a frame sand mould, includes injection mold core and shell, the injection mold core comprises first injection mold core and second injection mold core concatenation, is provided with the pouring basin on the injection mold core, has all seted up a plurality of casting passageway in first injection mold core and the second injection mold core, and the casting passageway is linked together with the downside of pouring basin, and the shell is formed by first shell, second shell, third shell and fourth shell concatenation in proper order end to end, and the shell setting is in the periphery of injection mold core, is formed with a plurality of molding die cavities between injection mold core and the shell, and the casting export has all been seted up to the one end that a plurality of casting passageway are close to the molding die cavity.
The working principle of the utility model is as follows: when the sand mould is used for casting and forming the stand, molten iron is injected into a plurality of casting channels through pouring cups, flows to casting outlets in the casting channels, then enters the inside of a plurality of forming cavities, and is continuously injected until the plurality of forming cavities are filled with the molten iron, so that casting of the molten iron is more uniform and stable; through the principle, the casting process for forming the stand is improved, the number of casting channels is increased, the casting of molten iron is more uniform and stable, the heat during casting the molten iron is more dispersed, the scouring of the molten iron to a sand shell is lightened, the impurities generated in the casting process are reduced, the forming of castings is more stable, the number of molds is reduced, the manufacturing cost of the molds is reduced, the number of stations of the core shooting machine in a foundry is reduced, and the production cost of the foundry is reduced.
The core-pulling cavity is formed in the injection molding core.
By adopting the structure, the core-pulling cavity is formed in the injection mold core, so that the core-pulling cavity is of a hollow structure, the use amount of sand is reduced when the first injection mold core and the second injection mold core are manufactured, and the casting cost is reduced.
The pouring cup is formed by splicing two half cups, and the two half cups are respectively integrated with the first injection mold core and the second injection mold core.
By adopting the structure, the two half cups are respectively combined with the first injection mold core and the second injection mold core to form the sand shell, and the two sand shells can be combined to form the injection mold core, so that the combination quantity of the sand shells is reduced, the working efficiency is improved, and the labor cost is reduced, so that a casting channel is in seamless connection with the first injection mold core and the second injection mold core, an adhesive is not required, the stability of molten iron casting is improved, the generation of miscellaneous gas in the casting process is reduced, the occurrence of the fire running condition is avoided, and the yield is improved.
The casting channels are mutually communicated to form a cross-shaped structure.
By adopting the structure, the plurality of casting channels are communicated to form a cross shape, so that molten iron can enter from the pouring cup conveniently and then enter the forming cavity through the casting channels and the casting outlet, and the casting efficiency is improved.
The first narrow-distance connecting plate of both ends of first outer sand shell is all fixedly connected with, the second narrow-distance connecting plate of the equal fixedly connected with of one end of second outer sand shell, fourth outer sand shell, the first wide-distance connecting plate of the equal fixedly connected with of the other end of second outer sand shell, fourth outer sand shell, the equal fixedly connected with second wide-distance connecting plate of both ends of third outer sand shell.
By adopting the structure, the first narrow-distance connecting plates at the two ends of the first outer sand shell are respectively spliced with the second narrow-distance connecting plates on the second outer sand shell and the fourth outer sand shell, the second wide-distance connecting plates at the two ends of the third outer sand shell are respectively spliced with the first wide-distance connecting plates on the second outer sand shell and the fourth outer sand shell, and therefore the first wide-distance connecting plates are wound on the periphery side of the injection molding core, and when the injection molding core is spliced and combined, the direction of splicing is conveniently resolved according to the shape of the first narrow-distance connecting plates, so that the splicing error is avoided.
Compared with the prior art, the base sand mould has the following advantages:
1. when the sand mould is used for casting and forming the stand, molten iron is injected into a plurality of casting channels through pouring cups, flows to casting outlets in the casting channels, then enters the inside of a plurality of forming cavities, and is continuously injected until the plurality of forming cavities are filled with the molten iron, so that casting of the molten iron is more uniform and stable; through the principle, the casting process for forming the stand is improved, the number of casting channels is increased, the casting of molten iron is more uniform and stable, the heat during casting the molten iron is more dispersed, the scouring of the molten iron to a sand shell is lightened, the impurities generated in the casting process are reduced, the forming of castings is more stable, the number of molds is reduced, the manufacturing cost of the molds is reduced, the number of stations of the core shooting machine in a foundry is reduced, and the production cost of the foundry is reduced.
2. Two half cups respectively with first injection mold core, second injection mold core combination become a sand shell, only can make up into the injection mold core by two sand shells, reduced the combination quantity of sand shells, improved work efficiency, reduced the cost of labor to make seamless connection between casting passageway and first injection mold core, the second injection mold core, need not to use the binder, and then improved the stability of molten iron casting, reduced the production of miscellaneous gas in the casting process, avoided the condition of running fire to take place, improved the yield.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a schematic diagram of the explosive structure of the present utility model.
Fig. 3 is a schematic view of an exploded structure according to another aspect of the present utility model.
Fig. 4 is a side cross-sectional view of a three-dimensional structure of the present utility model.
Fig. 5 is a front cross-sectional view of a three-dimensional structure of the present utility model.
In the figure, 1, a first injection mold core; 2. a second injection mold core; 3. a pouring cup; 31. a half cup; 4. casting the channel; 41. casting an outlet; 5. a first outer sand shell; 6. a second outer sand shell; 7. a third outer sand shell; 8. a fourth outer sand shell; 9. and forming a cavity.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-5, the sand mold of the machine base comprises an injection mold core and an outer mold shell, wherein the injection mold core is formed by splicing a first injection mold core 1 and a second injection mold core 2, a pouring cup 3 is arranged on the injection mold core, a plurality of pouring channels 4 are respectively formed in the first injection mold core 1 and the second injection mold core 2, the pouring channels 4 are communicated with the bottom side of the pouring cup 3, the outer mold shell is formed by splicing a first outer sand shell 5, a second outer sand shell 6, a third outer sand shell 7 and a fourth outer sand shell 8 end to end in sequence, the outer mold shell is arranged on the periphery of the injection mold core, a plurality of molding cavities 9 are formed between the injection mold core and the outer mold shell, one ends, close to the molding cavities 9, of the plurality of pouring channels 4 are respectively provided with a pouring outlet 41, in the embodiment, when the sand mold is used for the casting molding of the machine base, molten iron is poured into the plurality of pouring channels 4 through the pouring cup 3, flows to the pouring outlet 41, then enters the inside the plurality of molding cavities 9, and is continuously poured into the molten iron until the molten iron is poured into the plurality of molding cavities 9, so that the molding cavities are more uniform and stable; through the principle, the casting process for forming the stand is improved, the number of fire inlets is increased, the fire inlet is more uniform and stable, the heat generated when molten iron is poured is more dispersed, the scouring of the molten iron to a sand shell is lightened, impurities generated in the casting process are reduced, the forming of castings is more stable, the number of molds is reduced, the manufacturing cost of the molds is reduced, the number of stations of the core shooting machine in a foundry is reduced, and the production cost of the foundry is reduced.
The core-pulling cavity is formed in the injection mold core, in the embodiment, the core-pulling cavity is formed in the injection mold core, and the injection mold core is of a hollow structure, so that the use amount of sand is reduced when the first injection mold core 1 and the second injection mold core 2 are manufactured, and the casting cost is reduced.
The pouring cup 3 is formed by splicing two half pouring cups 31, the two half pouring cups 31 are respectively integrated with the first pouring die core 1 and the second pouring die core 2, in the embodiment, the two half pouring cups 31 are respectively combined with the first pouring die core 1 and the second pouring die core 2 to form a sand shell, the two sand shells can be combined to form the pouring die core, the combination quantity of the sand shells is reduced, the working efficiency is improved, and the labor cost is reduced, so that the pouring channel 4 is in seamless connection with the first pouring die core 1 and the second pouring die core 2, an adhesive is not needed, the fire feeding stability is further improved, the generation of miscellaneous gas in the casting process is reduced, the occurrence of a running fire condition is avoided, and the yield is improved.
The plurality of casting channels 4 are mutually communicated to form a cross-shaped structure, in the embodiment, the plurality of casting channels 4 are communicated to form a cross-shaped structure, so that molten iron can enter from the pouring cup 3 conveniently and then enter the forming cavity 9 through the casting channels 4 and the casting outlet 41, and the casting efficiency is improved.
The first narrow distance connecting plate of both ends of first outer sand shell 5, the second narrow distance connecting plate of the equal fixedly connected with of one end of second outer sand shell 6, fourth outer sand shell 8, the first wide distance connecting plate of the equal fixedly connected with of the other end of second outer sand shell 6, fourth outer sand shell 8, the second wide distance connecting plate of the equal fixedly connected with of both ends of third outer sand shell 7, in this embodiment, the first narrow distance connecting plate at first outer sand shell 5 both ends splice together with the second narrow distance connecting plate on second outer sand shell 6, the fourth outer sand shell 8 respectively, the second wide distance connecting plate at third outer sand shell 7 both ends splice together with the first wide distance connecting plate on second outer sand shell 6, the fourth outer sand shell 8 respectively, thereby encircle the periphery side at the injection molding core, when assembling the combination, be convenient for according to the direction of assembling of its shape resolution, avoid assembling the mistake.
When the sand mould is used for casting and forming the machine base, the first narrow-distance connecting plates at the two ends of the first outer sand shell 5 are spliced with the second narrow-distance connecting plates on the second outer sand shell 6 and the fourth outer sand shell 8 respectively, the second wide-distance connecting plates at the two ends of the third outer sand shell 7 are spliced with the first wide-distance connecting plates on the second outer sand shell 6 and the fourth outer sand shell 8 respectively so as to encircle the outer periphery of the injection core, then molten iron is injected into the plurality of casting channels 4 through the pouring cup 3, the plurality of casting channels 4 are communicated to form a cross shape, and the molten iron enters the plurality of forming cavities 9 respectively through the plurality of casting channels 4 and the casting outlets 41, so that the casting efficiency is improved, and molten iron is continuously injected until the plurality of forming cavities 9 are filled with molten iron, so that the casting of the molten iron is more uniform and stable, and the heat generated during casting of the molten iron is more dispersed.
In a comprehensive aspect, the number of dies used in the process of base casting is reduced through the cooperation of the structures such as the first injection die core, the second injection die core, the pouring cup, the casting channel, the first outer sand shell and the like.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides a frame sand mould, includes injection mold core and shell, its characterized in that, the injection mold core comprises first injection mold core (1) and concatenation of second injection mold core (2), be provided with pouring basin (3) on the injection mold core, a plurality of casting passageway (4) have all been seted up in first injection mold core (1) and second injection mold core (2), casting passageway (4) are linked together with the downside of pouring basin (3), the shell is by first shell (5), second shell (6), third shell (7) and fourth shell (8) concatenation in proper order end to end form, the shell sets up the periphery at the injection mold core, a plurality of shaping die cavities (9) are formed between injection mold core and the shell, casting export (41) have all been seted up to the one end that a plurality of casting passageway (4) are close to shaping die cavity (9).
2. The stand sand mold of claim 1 wherein the interior of the injection core is provided with a core-pulling cavity.
3. The machine base sand mold according to claim 1, wherein the pouring cup (3) is formed by splicing two half cups (31), and the two half cups (31) are respectively integrally formed with the first injection mold core (1) and the second injection mold core (2).
4. A stand sand mould according to claim 1, characterized in that the casting channels (4) are interconnected to form a cross-shaped structure.
5. The machine base sand mold according to claim 1, wherein the two ends of the first outer sand shell (5) are fixedly connected with first narrow-distance connecting plates, one ends of the second outer sand shell (6) and the fourth outer sand shell (8) are fixedly connected with second narrow-distance connecting plates, the other ends of the second outer sand shell (6) and the fourth outer sand shell (8) are fixedly connected with first wide-distance connecting plates, and the two ends of the third outer sand shell (7) are fixedly connected with second wide-distance connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321916826.3U CN220574672U (en) | 2023-07-20 | 2023-07-20 | Engine base sand mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321916826.3U CN220574672U (en) | 2023-07-20 | 2023-07-20 | Engine base sand mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220574672U true CN220574672U (en) | 2024-03-12 |
Family
ID=90109510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321916826.3U Active CN220574672U (en) | 2023-07-20 | 2023-07-20 | Engine base sand mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220574672U (en) |
-
2023
- 2023-07-20 CN CN202321916826.3U patent/CN220574672U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |