CN219786530U - Three-phase linkage aluminum bracket low-pressure casting die - Google Patents
Three-phase linkage aluminum bracket low-pressure casting die Download PDFInfo
- Publication number
- CN219786530U CN219786530U CN202320796839.5U CN202320796839U CN219786530U CN 219786530 U CN219786530 U CN 219786530U CN 202320796839 U CN202320796839 U CN 202320796839U CN 219786530 U CN219786530 U CN 219786530U
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- Prior art keywords
- casting
- die
- bottom plate
- pressure casting
- phase linkage
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- 238000005266 casting Methods 0.000 title claims abstract description 58
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000007528 sand casting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 small sand grains Chemical compound 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a three-phase linkage aluminum bracket low-pressure casting die, which comprises a bottom plate and a panel, wherein the bottom plate and the panel are communicated and connected through a plurality of exhaust copper bars, one end of the bottom plate is provided with a convex joint block with an integrated structure, the two ends of the surface of the convex joint block are provided with exhaust holes, the other end of the bottom plate is provided with a sedimentation gas collecting groove, and the bottom of the sedimentation gas collecting groove is provided with a rectangular groove. According to the utility model, the sedimentation gas collecting groove is arranged at the bottom of the upper die, so that the probability of inclusion defects in the casting is reduced, and the probability of air holes in the casting is reduced; the upper die is added with an exhaust copper bar to play a role in exhaust, meanwhile, the friction area of the upper die can be increased, the pulling force of the casting is increased, the gravity center of the casting is balanced, after the casting is cooled and molded, the top end of the casting is provided with a rectangular belt piece, the draft angle of the casting is small, and a larger friction force can be provided for the casting under the positive pressure effect provided by cooling shrinkage of the casting, so that the casting can be separated from the upper die, and the demolding efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of die equipment, in particular to a three-phase linkage aluminum bracket low-pressure casting die.
Background
With the continuous maturity of aluminum alloy technology, the aluminum alloy is gradually applied to the fields of power systems, transportation, aerospace and the like, is rapidly developed, and is more widely applied. The aluminum alloy bracket of the electric power system is a widely applied product, is mainly used for electric power on-off components, needs a certain strength, needs few defects for important parts such as shaft holes and the like, reaches the primary standard (GB), is increasingly strengthened along with the trend of miniaturization and integration of the switch nowadays, is novel three-item linkage bracket, has more complex shape and larger mass volume, and the number of the required parts of the bearing Kong Dengchong in the casting is increased, so that the casting difficulty is greatly increased, the forming is difficult, and the important parts cannot ensure the quality to reach the standard.
At present, the three-phase linkage integrated bracket of the power switch is complex in shape, large in mass and volume, heavy in weight, low in production efficiency of sand casting, more uncontrollable factors of sand casting, poor casting precision, easy generation of defects such as air holes, sand holes and shakeout, and incapability of guaranteeing the quality of a precise part, and large castings generally adopt sand casting low-pressure casting, and the defects of pressure increase, sand sticking and sand holes of the castings are more serious, and meanwhile, the castings are easy to adhere to a die, so that the follow-up demolding efficiency is low.
Disclosure of Invention
The utility model aims to provide a three-phase linkage aluminum bracket low-pressure casting die.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a three-phase linkage aluminum bracket low pressure casting mould, includes fashioned die block, sand core, side forms and the last mould that are used for foundry goods, the side forms are all detachably installed to die block upper portion both sides, the sand core is located the side forms inboard, go up mould detachable installs at the side forms top, goes up the mould and includes bottom plate and panel, is connected through a plurality of exhaust bar copper intercommunication between bottom plate and the panel, and bottom plate bottom one end is equipped with the protrusion overlap piece of integral structure, and the exhaust hole has all been seted up at protrusion overlap piece surface both ends position, subside the gas collecting channel has been seted up to the bottom plate bottom other end, subside the gas collecting channel bottom and seted up the rectangular channel, rectangular channel and exhaust hole constitute the rectangular belt spare and the focus balancing piece of foundry goods respectively after the mould casting.
Preferably, a template is fixedly arranged on the bottom die, and a pouring gate is arranged on the template.
Preferably, a plurality of heat dissipation grooves are formed in the outer side of the side die.
Preferably, the two ends of the upper part of the template are fixedly provided with the convex blocks, the bottom of the positioning part of the sand core is provided with the clamping grooves, and the clamping grooves are clamped with the convex blocks at the corresponding positions.
Preferably, the edge of the side edge of the sand core is provided with a centralizing groove, the middle part of the side edge of the sand core is provided with a placing groove, and the inner side surface of the side mold is fixedly provided with a bulge which is clamped with the centralizing groove and the placing groove.
Preferably, the bottom die, the side die and the upper die are in mortise and tenon connection.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, the bottom of the upper die is provided with the sedimentation gas-collecting tank, and the sedimentation gas-collecting tank is preferentially filled with first aluminum water and small sand grains, oxide scales and other impurities contained in the aluminum water during the filling process, so that the probability of inclusion defects in a casting is reduced, the sedimentation gas-collecting tank is used as the highest position of the casting, and the structure can play a certain role in collecting gas when the gas is trapped in the tank, so that the probability of air holes in the casting is reduced;
the upper die is added with an exhaust copper bar to play a role in exhaust, meanwhile, the friction area of the upper die can be increased, the pulling force of the casting is increased, the gravity center of the casting is balanced, after the casting is cooled and molded, the top end of the casting is provided with a rectangular belt piece, the draft angle of the casting is small, and a larger friction force can be provided for the casting under the positive pressure effect provided by cooling shrinkage of the casting, so that the casting can be separated from the upper die, and the demolding efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a three-phase linked aluminum bracket low pressure casting mold of the present utility model;
FIG. 2 is a bottom view of the upper die of the present utility model;
FIG. 3 is a block diagram of a casting of the present utility model;
fig. 4 is a block diagram of the sand core of the present utility model.
In the figure: the casting mold comprises a bottom mold 1, a template 11, a casting 2, a rectangular belt member 21, a gravity center balancing block 22, a pouring gate 23, a side mold 3, a connecting plate 31, a heat dissipation groove 32, an upper mold 4, a bottom plate 41, a panel 42, an exhaust copper bar 43, a convex joint block 44, an exhaust hole 45, a sedimentation gas collecting groove 46, a rectangular groove 47, a sand core 5, a positioning part 51, a centering groove 52 and a placing groove 53.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1-4, the utility model provides an integrated three-phase linkage aluminum bracket low-pressure casting die, which comprises a bottom die 1, a sand core 5, side dies 3 and an upper die 4 for forming castings 2, wherein the side dies 3 are detachably arranged on two sides of the upper part of the bottom die 1, the sand core 5 is positioned on the inner side of the side dies 3, the upper die 4 is detachably arranged on the top of the side dies 3, the upper die 4 comprises a bottom plate 41 and a face plate 42, the bottom plate 41 and the face plate 42 are connected through a plurality of exhaust copper bars 43, one end of the bottom plate 41 is provided with a protruding joint block 44 with an integrated structure, the two ends of the surface of the protruding joint block 44 are provided with exhaust holes 45, the other end of the bottom plate 41 is provided with a sedimentation gas collecting groove 45, the bottom of the sedimentation gas collecting groove 45 is provided with a rectangular groove 47, and the rectangular groove 47 and the exhaust holes 45 respectively form a rectangular belt 21 and a gravity center balance 22 of the castings 2 after die casting.
In this embodiment, the bottom die 1 is fixedly provided with a mold plate 11, and the mold plate 11 is provided with a gate 23.
Further, in order to ensure the heat dissipation performance of the mold, in this embodiment, a plurality of heat dissipation grooves 32 are disposed on the outer side of the side mold 3.
Further, in this embodiment, the two ends of the upper portion of the shaping plate 11 are fixedly provided with protruding blocks, the bottom of the positioning portion 51 of the sand core 5 is provided with a clamping groove, and the clamping groove is clamped with the protruding blocks at the corresponding positions, so that the installation efficiency of the sand core 5 is effectively improved.
In this embodiment, the edge of psammitolite 5 side has seted up righting groove 52, and the standing groove 53 has been seted up at the middle part of psammitolite 5 side, side form 3 inboard fixed surface be equipped with right the protruding of groove 52 and standing groove 53 block, guarantee the stability of psammitolite 5 in side form 3 inboard, the staff of also being convenient for installs psammitolite 5 simultaneously.
Further, in this embodiment, the bottom die 1, the side die 3 and the upper die 4 are in mortise-tenon connection, which is conventional die connection, and will not be described herein.
The specific casting process is as follows: the molten aluminum is injected into the die through the pouring gate 23, and the first strand molten aluminum and impurities such as small sand grains, oxide scales and the like contained in the molten aluminum in the filling process are preferentially filled in the sedimentation gas-collecting tank 46, so that the probability of inclusion defects in the casting 2 is reduced, the sedimentation gas-collecting tank 46 is used as the highest position of the casting, and the structure can play a certain role in gas collection when gas is trapped in the tank, so that the probability of gas holes in the casting is reduced;
after the casting 2 is cooled and formed, the top end of the casting 2 is provided with a rectangular belt piece 21, the draft angle is small, and a larger friction force can be provided for the casting 2 under the positive pressure effect provided by cooling shrinkage of the casting 2, so that the casting 2 can be separated from the upper die 4, and the demoulding efficiency is improved.
Although the embodiments of the present utility model have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the utility model as described in the claims.
Claims (6)
1. The utility model provides a three-phase linkage aluminium support low pressure casting mould, includes die block, psammitolite, side forms and the last mould that is used for the shaping of foundry goods, its characterized in that: side forms are all detachably installed to die block upper portion both sides, the psammitolite is located the side forms inboard, go up mould detachable installation at side forms top, go up the mould and include bottom plate and panel, connect through a plurality of exhaust bar copper intercommunication between bottom plate and the panel, bottom plate bottom one end is equipped with the protrusion overlap piece of integral structure, and the exhaust hole has all been seted up to protrusion overlap piece surface both ends position, the subsidence gas collecting channel has been seted up to bottom plate bottom other end, and the rectangular channel has been seted up to subsidence gas collecting channel bottom, and rectangular channel and exhaust hole constitute the rectangular zone spare and the focus balancing piece of foundry goods respectively after the mould casting.
2. The three-phase linkage aluminum bracket low-pressure casting die according to claim 1, wherein: the bottom die is fixedly provided with a template, and the template is provided with a pouring gate.
3. The three-phase linkage aluminum bracket low-pressure casting die according to claim 1, wherein: and a plurality of heat dissipation grooves are formed in the outer side of the side die.
4. The three-phase linkage aluminum bracket low-pressure casting die according to claim 2, wherein: the two ends of the upper part of the template are fixedly provided with protruding blocks, the bottom of the positioning part of the sand core is provided with a clamping groove, and the clamping groove is clamped with the protruding blocks at the corresponding positions.
5. The three-phase linkage aluminum bracket low-pressure casting die according to claim 4, wherein: the edge of the side edge of the sand core is provided with a centralizing groove, the middle part of the side edge of the sand core is provided with a placing groove, and the inner side surface of the side mold is fixedly provided with a bulge which is clamped with the centralizing groove and the placing groove.
6. The three-phase linkage aluminum bracket low-pressure casting die according to claim 1, wherein: and the bottom die, the side die and the upper die are in mortise and tenon connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320796839.5U CN219786530U (en) | 2023-04-12 | 2023-04-12 | Three-phase linkage aluminum bracket low-pressure casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320796839.5U CN219786530U (en) | 2023-04-12 | 2023-04-12 | Three-phase linkage aluminum bracket low-pressure casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219786530U true CN219786530U (en) | 2023-10-03 |
Family
ID=88175776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320796839.5U Active CN219786530U (en) | 2023-04-12 | 2023-04-12 | Three-phase linkage aluminum bracket low-pressure casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219786530U (en) |
-
2023
- 2023-04-12 CN CN202320796839.5U patent/CN219786530U/en active Active
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