CN213826878U - Automatic compact mould of molding sand - Google Patents
Automatic compact mould of molding sand Download PDFInfo
- Publication number
- CN213826878U CN213826878U CN202022604614.4U CN202022604614U CN213826878U CN 213826878 U CN213826878 U CN 213826878U CN 202022604614 U CN202022604614 U CN 202022604614U CN 213826878 U CN213826878 U CN 213826878U
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- Prior art keywords
- molding sand
- sand
- mould
- wedge
- automatic
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- 239000003110 molding sand Substances 0.000 title claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 21
- 238000005266 casting Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 244000035744 Hura crepitans Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model relates to a casting engineering technical field, in particular to automatic tight real mould of molding sand that automatic molding line of casting vertical parting was used. The utility model provides an automatic tight real mould of molding sand, relates to the diaphragm orifice, is equipped with the die cavity on the diaphragm orifice, has seted up horizontal recess on the die cavity, the position department relative with horizontal recess on the diaphragm orifice has increased tightly really keeps off the piece, it keeps off the molding sand runner between piece and the die cavity reducing from big to small to tightly really to tightly. The utility model discloses position department relative with horizontal recess on the bottom plate of mould has increased tightly real fender piece, penetrates the sand in-process at the production line, utilizes tightly real fender piece to change the sand shooting route of molding sand for the molding sand fills to horizontal groove easily, can increase the tight real pressure of this department again simultaneously, makes the molding sand in the recess can fully compact, reaches the degree of compactness of technology settlement, eliminates the loose defect of sand mould, has solved the foundry goods that from this causes and has sent useless problem, has improved the surface quality of foundry goods.
Description
Technical Field
The utility model relates to a casting engineering technical field, in particular to automatic tight real mould of molding sand that automatic molding line of casting vertical parting was used.
Background
In perpendicular parting casting process, have darker recess class product to the die cavity side, its recess is perpendicular with shooting sand direction, when automatic molding line is modelled, to the horizontal groove part of die cavity lateral surface, on the one hand because the effect of blockking of die cavity, on the other hand it is more close to the bottom plate edge, makes the molding sand be difficult to fill, leads to the difficult compaction of molding sand, and the sand mould of making out produces loose easily, has caused the foundry goods after the pouring to produce waste products such as the sand sticking defect and the sand hole that are difficult to clear up.
The Chinese patent with the application number of CN201920062175.3 discloses a mold structure for increasing the compaction rate of molding sand, which comprises a mold body, wherein the mold body comprises a lower mold and an upper mold, the lower mold comprises a bottom plate, an annular side wall is arranged on the bottom plate, and the annular side wall encloses a cavity; the wedge-shaped block is arranged at the bottom of the cavity, and the cross-sectional area of the wedge-shaped block is gradually reduced from the bottom of the cavity to the opening of the cavity. This patent sets up the wedge that sectional area gradually changed in the annular lateral wall of mould, when the sand box adds the sand tight real-time, because the wedge is to the water conservancy diversion of molding sand and the reverse extrusion force to the annular lateral wall, the compact rate of product lateral wall department molding sand has been improved, the problem such as sand washing that foundry goods inner chamber lateral wall leads to inadequately because the compact rate of molding sand, the sand sticking is solved, but its mould structure is only applicable to the casting process of car brake disc inner chamber annular enclosed construction, be not suitable for the casting process that the side has the deep groove foundry goods such as high-speed railway upper plate or circular bead.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current mould because the stopping of die cavity self causes the molding sand to be difficult to fill die cavity side recess, the foundry goods after leading to the pouring has produced the technical problem of waste products such as sand sticking defect and sand hole, an automatic tight real mould of molding sand is provided, tight real fender piece has been add on the die bed plate, thereby the sand shooting route of molding sand has been changed, the molding sand in making the recess can be fully tight real, eliminate the loose defect of sand mould, the foundry goods that has caused from this has been solved and has been sent useless problem, the surface quality of foundry goods has been improved.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides an automatic tight real mould of molding sand, relates to the diaphragm bed, is equipped with the die cavity on the diaphragm bed, has seted up horizontal recess, its characterized in that on the die cavity: and a compact stopper is additionally arranged at the position, opposite to the transverse groove, on the die bottom plate, and a molding sand flow passage between the compact stopper and the die cavity is reduced from large to small.
Further, the compact stopper is a wedge-shaped stopper or a wedge-shaped baffle.
Further, the horizontal projection of the wedge-shaped block or the wedge-shaped baffle covers the horizontal projection of the transverse groove.
Further, the inclined plane angle of the wedge-shaped stop block or the wedge-shaped baffle is 10-30 degrees.
Compared with the prior art, the utility model discloses following beneficial effect has: the tight real fender piece that keeps off has been increased with the relative position department of horizontal recess on the diaphragm orifice, and at the production line sand shooting in-process, the tight real sand route that keeps off the piece and change the molding sand that penetrates of utilization for the molding sand fills to horizontal recess easily, can increase the tight real pressure of this department again simultaneously, makes the molding sand in the recess can fully compact, reaches the degree of compactness that the technology set for, eliminates the loose defect of sand mould, has solved the foundry goods that from this causes and has sent useless problem, has improved the surface quality of foundry goods.
Drawings
Fig. 1 is the structure diagram of the automatic compact die of the molding sand of the utility model.
Fig. 2 is the structure front view of the automatic compact mould of molding sand of the utility model.
Fig. 3 is the structure plan view of the automatic compact mould of molding sand of the utility model.
In the figure: 1. the die comprises a die bottom plate, 2 parts of a die cavity, 3 parts of a transverse groove and 4 parts of a wedge-shaped stop block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the specific examples.
The automatic compact mould of the molding sand as shown in figure 1-3 relates to a mould base plate 1, the size of the mould base plate 1 is 600mmX470mm, the material of the mould base plate 1 is 500-7 of nodular cast iron, two cavities 2 which are mutually spaced are arranged on the mould base plate 1, the outer sides of the cavities 2 are about 40-80 mm away from the edge of the mould base plate 1, the material of the cavities 2 is No. 45 steel, the two sides of each cavity 2 are respectively provided with a transverse groove 3, the length of each transverse groove 3 is 10-40 mm, the width of each transverse groove 3 is 10-30 mm, a compact stopper is additionally arranged on the mould base plate 1 at the position opposite to the transverse groove 3 at the outer side of each cavity 2, the compact stopper is a wedge stopper 4, a wedge stopper or other structures which can avoid loose molding sand, the molding sand flow passage between the wedge stopper 4 and the cavity 2 is reduced from large to small, the material of the wedge stopper 4 is No. 45 steel, the angle of the wedge stopper 4 is 10-30 degrees, and the length of the wedge stopper 4 is 50-100 mm, width 30~60mm, height 40~80mm, the horizontal projection of wedge dog 4 covers the horizontal projection of horizontal recess 3, guarantees that wedge dog 4 shelters from horizontal recess 3 in the horizontal projection direction, makes wedge dog 4 can play the effect that changes the sand shooting route of molding sand.
The utility model discloses an automatic tight real mould of molding sand is when using, the molding sand is from the top downwards to jet into the molding chamber under compressed air's effect, the squeezing action of the front and back clamp plate of rethread molding chamber is tight real with the sand mould, penetrate the sand in-process at the production line, it keeps off the sand shooting route that changes the molding sand to closely really increase on the bottom plate 1, make the molding sand fill to horizontal recess 3 easily, can increase the tight real pressure of this department again simultaneously, make the molding sand in the recess can fully compact reality, reach the degree of compactness of technology settlement, the surface quality of foundry goods has been improved.
The above description is further detailed in connection with the preferred embodiments of the present invention, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses a under the prerequisite of the design, can also make simple deduction and replacement, all should regard as the utility model discloses a protection scope.
Claims (4)
1. The utility model provides an automatic tight real mould of molding sand, relates to the diaphragm bed, is equipped with the die cavity on the diaphragm bed, has seted up horizontal recess, its characterized in that on the die cavity: and a compact stopper is additionally arranged at the position, opposite to the transverse groove, on the die bottom plate, and a molding sand flow passage between the compact stopper and the die cavity is reduced from large to small.
2. The automatic compacting die of molding sand of claim 1, characterized in that: the compact blocking piece is a wedge-shaped block or a wedge-shaped baffle.
3. The automatic compacting die of molding sand of claim 2, characterized in that: the horizontal projection of the wedge-shaped stop block or the wedge-shaped baffle plate covers the horizontal projection of the transverse groove.
4. The automatic compacting die of molding sand of claim 2, characterized in that: the angle of the inclined plane of the wedge-shaped stop block or the wedge-shaped baffle is 10-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022604614.4U CN213826878U (en) | 2020-11-12 | 2020-11-12 | Automatic compact mould of molding sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022604614.4U CN213826878U (en) | 2020-11-12 | 2020-11-12 | Automatic compact mould of molding sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213826878U true CN213826878U (en) | 2021-07-30 |
Family
ID=77015373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022604614.4U Active CN213826878U (en) | 2020-11-12 | 2020-11-12 | Automatic compact mould of molding sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213826878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116851636A (en) * | 2023-06-21 | 2023-10-10 | 中国第一汽车股份有限公司 | Sand separating device and method for casting core box |
-
2020
- 2020-11-12 CN CN202022604614.4U patent/CN213826878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116851636A (en) * | 2023-06-21 | 2023-10-10 | 中国第一汽车股份有限公司 | Sand separating device and method for casting core box |
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