CN202725981U - Molding machine - Google Patents
Molding machine Download PDFInfo
- Publication number
- CN202725981U CN202725981U CN201220453512.XU CN201220453512U CN202725981U CN 202725981 U CN202725981 U CN 202725981U CN 201220453512 U CN201220453512 U CN 201220453512U CN 202725981 U CN202725981 U CN 202725981U
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- Prior art keywords
- lower platen
- top board
- lowering
- hoisting gear
- moulding machine
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Abstract
The utility model provides a molding machine which comprises an upper sand box, a lower sand box, upper pressing boards and lower pressing boards. A template and a mould are arranged between the upper sand box and the lower sand box, the lower pressing boards comprise a first lower pressing board and a second lower pressing board, the second lower pressing board is arranged along the periphery of the first lower pressing board, and the horizontal height of the second lower pressing board is lower than the horizontal height of the first lower pressing board. According to the molding machine, a compaction board structure in the molding machine is improved, so that the compactness distribution of molding sand in the sand boxes tends to be even, and the problem of bubbles on casts or cast deformation due to uneven compactness distribution of the molding sand is solved.
Description
Technical field
The utility model relates to the casting and molding technical field, especially relates to a kind of moulding machine.
Background technology
In the prior art, when utilizing the molding sand casting, between cope and drag box, place match plate, molding sand is added sandbox, then utilize moulding machine pressing plate compacting molding sand, after the molding sand taking-up with compacting, in the molding sand of compacting, pour into solution, treat that solution solidifies removes outer field molding sand, then a foundry goods is just made complete.
Use molding sand to make foundry goods in the prior art, when molding sand was compacted, its density can change because the height at each position of mould is different, the sand mold compactability skewness of compacting gained namely can occur; This can cause the large place of whole sand mold compactability air when primer solution to discharge, and causing in the foundry goods of moulding has pore; And the phenomenons such as solution overflows, swell, distortion then may occur in the little place of sand mold compactability when cast solution, cause foundry goods not meet designing requirement.
The utility model content
The utility model provides a kind of moulding machine, to solve in the prior art problem of the sand compaction skewness that occurs when the compacting molding sand.
In order to address the above problem, the utility model discloses a kind of moulding machine, comprise: cope, drag box, top board and lower platen, between cope and drag box, be provided with template and mould, described lower platen comprises the first lower platen and the second lower platen, described the second lower platen arranges along the first lower platen periphery, and the second lower platen level height is lower than the first lower platen level height.
Further, the first lower platen and the second lower platen gap are less than the molding sand diameter.
Further, the first lower platen below is provided with the first lowering or hoisting gear, and the second lower platen below is provided with the second lowering or hoisting gear.
Further, the first lower platen is arranged on the supporting plate, is fixedly connected with supporting plate; The second lower platen is connected with supporting plate by the second lowering or hoisting gear; The supporting plate below is provided with the first lowering or hoisting gear.
Further, top board comprises the first top board and the second top board, and described the second top board arranges along the first top board periphery, and the second top board level height is higher than the first top board level height.
Further, the first top board top is provided with the 3rd lowering or hoisting gear, and the second top board top is provided with the 4th lowering or hoisting gear.
Further, week be provided with protuberance in the top board.
Further, the top board shape is agreed with mutually with the shape of corresponding templates and mould.
Further, the second lower platen is provided with protuberance, and the shape that the first lower platen and the second lower platen consist of and the shape of corresponding templates and mould are agreed with mutually.
Further, lowering or hoisting gear is cylinder or oil cylinder.
Compared with prior art, the utlity model has following advantage:
The utility model is tending towards average by the improvement to squeeze board structure in the moulding machine so that the sand compaction in the sandbox distributes, and has solved the problem that bubble or casting deformation are arranged because of the unequal foundry goods that causes of sand compaction distribution.
Description of drawings
Fig. 1 is the structural representation of moulding machine in the prior art;
Fig. 2 is the structural representation of moulding machine among the utility model embodiment 1;
Fig. 3 is the upward view of the first lower platen and the second lower platen structural relation among the utility model embodiment 1;
Fig. 4 is the structural representation of lower platen and lowering or hoisting gear annexation among the utility model embodiment 2;
Fig. 5 is the structural representation of moulding machine among the utility model embodiment 3.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The utility model proposes a kind of moulding machine, by the improvement to the squeeze board structure, be tending towards average so that the sand compaction in the sandbox distributes, having solved the foundry goods that causes because of sand degree of packing distribution inequality has bubble or the problems such as solution overflows, swell, distortion occurs.
Be elaborated below by embodiment.
With reference to Fig. 1, it is the structural representation of moulding machine in the prior art.When in the prior art molding sand being carried out the moulding compacting operation, template 31 and mould 32 are positioned between cope 1 and the drag box 2, in sandbox, fill it up with molding sand, use afterwards top board 4 and lower platen 5 with the molding sand compacting, remove sandbox and template through demoulding step afterwards, and then in the molding sand of compacting, pour into solution, after solution solidifies, remove the molding sand of compacting, then a foundry goods is just made complete.Above-mentioned template generally can be that the two sides all is provided with corresponding foundry goods concaveconvex shape or required decorative pattern.In practical application, solution generally can be selected aluminium liquid or other metallic solution.
Use molding sand to make foundry goods in the prior art, when molding sand is compacted, its density can change because the height at each position of mould is different, referring to shown in Figure 1, the height h of template corresponding region is less than the height H of non-template corresponding region, when the pressing plate compacting molding sand of level, compressed molding sand length is identical in the sandbox like this, so that the density of template corresponding region will be greater than the density of non-template corresponding region.The sand mold compactability skewness that the compacting gained namely can occur; This can cause the large place of whole sand mold compactability, and air can't benefit generation air return when primer solution, and causing in the foundry goods of moulding has pore; And the phenomenons such as solution overflows, swell, distortion then may occur in the little place of sand mold compactability when cast solution, cause foundry goods not meet designing requirement.
Problem for the prior art existence, the utility model embodiment 1 has provided a kind of moulding machine, referring to Fig. 2, comprise cope 1, drag box 2, top board 4 and lower platen 5, between cope and drag box, be provided with template 31 and mould 32, lower platen comprises the first lower platen 51 and the second lower platen 52, and described the second lower platen 52 is along the 51 periphery settings (referring to Fig. 3) of the first lower platen, and the second lower platen 52 level heights are lower than the first lower platen 51 level heights.
In the specific implementation, the first lower platen and the second lower platen gap so both can prevent effectively less than the molding sand diameter that molding sand from spilling, and do not affect again the relative motion between the first lower platen and the second lower platen.Certainly also can between the first lower platen and the second lower platen, seal 6(be set referring to Fig. 3 in actual applications), seal 6 can be sheet rubber, the sheet rubber of employing preferably adopts the sheet rubber of certain redundant length.When the second lower platen carried out squeeze operation in advance, the sheet rubber between the first lower platen and the second lower platen can play preferably sealing function.
Below the first lower platen 51, be provided with the first lowering or hoisting gear 61, below the second lower platen 52, be provided with the second lowering or hoisting gear 62, the first lowering or hoisting gear 61 is connected with the first lower platen 51, can promote the first lower platen 51 moves up and down, the second lowering or hoisting gear 62 is connected with the second lower platen 52, can promote the second lower platen 52 and move up and down.In actual applications, the second lower platen 52 belows that are arranged on the first lower platen 51 peripheries can arrange respectively several independently lowering or hoisting gears, also can be to drive with a lowering or hoisting gear, in actual applications, can 3 lowering or hoisting gears be set respectively the second lower platen both sides.Described lowering or hoisting gear can be to adopt cylinder or oil cylinder.
In order to realize more stable lifting effect, in embodiment 2, referring to Fig. 4, the first lower platen 51 can be arranged on the supporting plate 7, be fixedly connected with supporting plate 7; The second lower platen 52 is connected with supporting plate 7 by the second lowering or hoisting gear 62; Supporting plate 7 belows are provided with the first lowering or hoisting gear 61.When compacting molding sand, the second lower platen 52 rose under the drive of the second lowering or hoisting gear 62 before this, and molding sand is carried out compacting; After the second lower platen rises to predetermined altitude, the pressure by fixing the second lowering or hoisting gear and then keep the relative stationary state of the second lower platen and supporting plate; The first lowering or hoisting gear 61 promotes supporting plate 7 risings afterwards, and then drives the first lower platen and the rising of the second lower platen.In actual applications, the predetermined altitude that rises to of the second lower platen generally can be set to when the second lower platen level height is consistent with the first lower platen level height.Supporting plate 7 can be supported by the support 8 around being arranged on, and supporting plate 7 can move up and down at support 8 under the drive of the first lowering or hoisting gear 61, generally can 1 support 8 be set respectively at 4 angles of supporting plate.
In actual applications, also can be that the mode of top board with reference to lower platen arranged, not shown in FIG., concrete set-up mode can be with reference to above-described embodiment.Top board can be to comprise the first top board and the second top board, the second top board arranges along the first lower platen periphery, the second top board and the first top board gap also can be between the first top board and the second top board seal connector to be set less than the molding sand diameter.The first top board top is provided with the 3rd lowering or hoisting gear, and the second top board top is provided with the 4th lowering or hoisting gear.The 3rd lowering or hoisting gear and/or the 4th lowering or hoisting gear are cylinder or oil cylinder.
In the utility model embodiment 3, the problem referring to Fig. 5 exists in order to solve prior art further can also be provided with protuberance 9 week in top board.Normally used template and mould are match plate and mould, all are provided with corresponding shape or decorative pattern in top and bottom, and sand density can change because the shape of template and mould or decorative pattern height are different.Except the technical scheme that adopts above-described embodiment 1, can also further in the top board both sides protuberance be set, the effect of protuberance can be so that the interior non-template corresponding region of sandbox is identical as far as possible with the compressed distance of the molding sand of template corresponding region, thereby so that the sand density after the compacting is even.Protuberance can adopt the mode be connected with top board to be arranged on the top board, also can be that parts with top board are that protuberance and top board are integrated.In the specific implementation, can be set to the top board shape agrees with mutually with the shape of corresponding templates face.
In another embodiment of the present utility model, the problem that exists in order to solve prior art further can also be provided with protuberance at described the second lower platen.In the specific implementation, can be set to shape that the first lower platen and the second lower platen consist of and the shape of corresponding templates face agrees with mutually.Arranging of concrete protuberance can in conjunction with referring to above-described embodiment 2 diagrams, repeat no more.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than to a kind of moulding machine provided by the utility model, be described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. moulding machine, comprise: cope, drag box, top board and lower platen, between cope and drag box, be provided with template and mould, it is characterized in that: described lower platen comprises the first lower platen and the second lower platen, described the second lower platen arranges along the first lower platen periphery, and the second lower platen level height is lower than the first lower platen level height.
2. moulding machine according to claim 1 is characterized in that, described the first lower platen and the second lower platen gap are less than the molding sand diameter.
3. moulding machine according to claim 1 is characterized in that, described the first lower platen below is provided with the first lowering or hoisting gear, and the second lower platen below is provided with the second lowering or hoisting gear.
4. moulding machine according to claim 1 is characterized in that, described the first lower platen is arranged on the supporting plate, is fixedly connected with supporting plate; The second lower platen is connected with supporting plate by the second lowering or hoisting gear; The supporting plate below is provided with the first lowering or hoisting gear.
5. moulding machine according to claim 1 is characterized in that, described top board comprises the first top board and the second top board, and described the second top board arranges along the first top board periphery, and the second top board level height is higher than the first top board level height.
6. moulding machine according to claim 5 is characterized in that, described the first top board top is provided with the 3rd lowering or hoisting gear, and the second top board top is provided with the 4th lowering or hoisting gear.
7. moulding machine according to claim 1 is characterized in that, week is provided with protuberance in the described top board.
8. moulding machine according to claim 1 is characterized in that, described top board shape is agreed with mutually with the shape of corresponding templates and mould.
9. moulding machine according to claim 1 is characterized in that, described the second lower platen is provided with protuberance, and the shape that the first lower platen and the second lower platen consist of and the shape of corresponding templates and mould are agreed with mutually.
10. according to claim 3,4 or 6 described moulding machines, it is characterized in that described lowering or hoisting gear is cylinder or oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220453512.XU CN202725981U (en) | 2012-09-06 | 2012-09-06 | Molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220453512.XU CN202725981U (en) | 2012-09-06 | 2012-09-06 | Molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725981U true CN202725981U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220453512.XU Expired - Lifetime CN202725981U (en) | 2012-09-06 | 2012-09-06 | Molding machine |
Country Status (1)
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| CN (1) | CN202725981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414491A (en) * | 2015-09-05 | 2016-03-23 | 广州铸星机械有限公司 | Molding machine without sand filling dead angles and application method thereof |
| CN105458185A (en) * | 2015-12-15 | 2016-04-06 | 湖南红宇耐磨新材料股份有限公司 | Back pressure modeling method for sand mold |
| CN107520412A (en) * | 2017-09-04 | 2017-12-29 | 芜湖市云峰铸造有限责任公司 | A kind of automotive brake alumiaum article shaped device |
-
2012
- 2012-09-06 CN CN201220453512.XU patent/CN202725981U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414491A (en) * | 2015-09-05 | 2016-03-23 | 广州铸星机械有限公司 | Molding machine without sand filling dead angles and application method thereof |
| CN105414491B (en) * | 2015-09-05 | 2017-12-19 | 广州铸星机械有限公司 | A kind of moulding machine and its application method at no back-up sand dead angle |
| CN105458185A (en) * | 2015-12-15 | 2016-04-06 | 湖南红宇耐磨新材料股份有限公司 | Back pressure modeling method for sand mold |
| CN107520412A (en) * | 2017-09-04 | 2017-12-29 | 芜湖市云峰铸造有限责任公司 | A kind of automotive brake alumiaum article shaped device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |