CN217433014U - Low-pressure casting mold - Google Patents
Low-pressure casting mold Download PDFInfo
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- CN217433014U CN217433014U CN202123143579.1U CN202123143579U CN217433014U CN 217433014 U CN217433014 U CN 217433014U CN 202123143579 U CN202123143579 U CN 202123143579U CN 217433014 U CN217433014 U CN 217433014U
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- sprue
- lower mould
- pressing plate
- protective housing
- fixed pressing
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Abstract
The utility model relates to a low pressure casting mold, including lower mould and last mould, form the die cavity between lower mould and the last mould, it has the sprue to open in the lower mould, and the one end of sprue communicates with each other with the die cavity, and the other end communicates with each other with the stalk, and the outside package of sprue has the sprue cover, and the outside cover of sprue cover has the protective housing, and sprue cover and protective housing bottom are equipped with fixed pressing plate, and fixed pressing plate passes through a plurality of locking bolt to be fixed on the lower mould. In the low-pressure pouring process, the aluminum liquid cannot be drilled into the mold when the heat-insulating sleeve is cracked, the aluminum liquid cannot be bonded on the mold, the replacement time is saved, the production efficiency is improved, the time is saved by 1-2 hours when one heat-insulating sleeve is replaced, and the labor intensity of operators is reduced.
Description
Technical Field
The utility model relates to an aluminum alloy metal mold, especially a low pressure casting mold.
Background
In the low-pressure casting production of the aluminum alloy metal mold, molten aluminum enters a cavity through a riser tube and a sprue gate, and a casting is solidified and formed. In order to ensure that a casting with good quality is obtained in the production process, the excessive molten aluminum is not solidified after the casting is solidified and is smoothly returned to the heat preservation furnace, and a sprue bush is additionally arranged on the periphery of a sprue during casting mold design.
The heat preservation effect of the sprue bush has close relation with the selected material. Particularly, the strength of the insulating sleeve is in inverse proportion to the insulating effect, namely the insulating sleeve with good insulating effect has lower strength and shorter service life. In production, the casting quality is met, but the insulation sleeve is cracked in the production process and must be replaced in time. Because the cracking of the heat insulation sleeve causes the aluminum liquid to flow into the mold, the aluminum liquid is difficult to clean under the condition of high temperature environment of four to five hundred in the production process. If the aluminum is drilled seriously, the machine is required to be stopped for cleaning, which wastes time and labor.
Disclosure of Invention
The utility model aims at overcoming the above insufficiency, providing a low pressure casting mold.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a low pressure casting mold, includes lower mould and last mould, forms the die cavity between lower mould and the last mould, and it has the sprue to open in the middle of the lower mould, and the one end and the die cavity of sprue communicate with each other, and the other end communicates with each other with the stalk, and the sprue outside is wrapped up there is the runner cover, and the outside cover of runner cover has the protective housing, and runner cover and protective housing bottom are equipped with fixed pressing plate, and fixed pressing plate passes through a plurality of locking bolt to be fixed on the lower mould.
The utility model discloses a further improvement lies in: the upper surface of sprue bush is equipped with the round and goes up the breach, and in the breach was arranged in to the upper portion of protective housing, the upper surface of protective housing flushed with the upper surface of sprue bush.
The utility model discloses a further improvement lies in: the bottom of runner cover is equipped with breach under the round, and fixed pressing plate's bottom is equipped with the arch, and in the breach was down inserted to the arch, the last lug that is equipped with of fixed pressing plate, the protective housing was arranged in on the lug.
Compared with the prior art, the utility model has the following advantage:
1. in the low-pressure pouring process, the pouring gate sleeve can not be penetrated into the mold and can not be bonded on the mold when the aluminum liquid is cracked.
2. The replacement time is saved, the production efficiency is improved, and 1-2 hours of time is saved when one set of the material is replaced.
3. The labor intensity of operators is reduced.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
reference numbers in the figures: 1-lower die, 2-upper die, 3-cavity, 4-sprue, 5-sprue bush, 6-protective shell, 7-fixed pressing plate, 7-1-bulge, 7-2-lug, 8-locking bolt and 9-riser tube.
The specific implementation mode is as follows:
to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and obviously, the described embodiments are some, but not all embodiments of the present invention. Elements and features described in one embodiment of the invention may be combined with elements and features shown in one or more other embodiments. It should be noted that the illustration omits illustration and description of components and processes known to those of ordinary skill in the art that are not pertinent to the present invention for the sake of clarity. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As fig. 1 shows the utility model relates to an embodiment of low pressure casting die, this low pressure casting die can be used to new energy automobile's foundry goods product, including lower mould 1 and last mould 2, form die cavity 3 between lower mould 1 and the last mould 2, it has sprue 4 to open in the middle of the lower mould 1, sprue 4's one end communicates with each other with die cavity 3, the other end communicates with each other with stalk 9, sprue 4 outside package has sprue cover 5, sprue cover 5 outside cover has protective housing 6, sprue cover 5 and protective housing 6 bottom are equipped with solid fixed pressing plate 7, solid fixed pressing plate 7 fixes on lower mould 1 through a plurality of locking bolt 8. After the sprue bush 5 is found to be cracked, the fixed pressing plate 7 is disassembled to take out the protective shell 6 and the sprue bush 5 together, if spare parts exist, the spare parts can be quickly disassembled and replaced, the bonded aluminum liquid in the mold is not needed to be worried about, and the operation is simple and easy.
The upper surface of the sprue bush 5 is provided with a circle of upper notches, the upper portion of the protective shell 6 is arranged in the upper notches, and the upper surface of the protective shell 6 is flush with the upper surface of the sprue bush 5, so that the sprue bush can be protected in all directions, and molten aluminum is prevented from running into a mold.
The bottom of the sprue bush 5 is provided with a circle of lower notches, the bottom of the fixed pressing plate 7 is provided with protrusions 7-1, the protrusions 7-1 are inserted into the lower notches, the fixed pressing plate 7 is provided with protrusions 7-2, the protective shell 6 is arranged on the protrusions 7-2, the sprue bush 5 and the protective shell 6 are prevented from shifting, and connection is tighter.
Finally, it should be noted that: although the present invention and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims. Moreover, the scope of the present invention is not intended to be limited to the particular embodiments of the process, machine, means, methods and steps described in the specification. As one of ordinary skill in the art will readily appreciate from the disclosure of the present invention, processes, machines, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present invention. Accordingly, the appended claims are intended to include within their scope such processes, devices, means, methods, or steps.
Claims (3)
1. The utility model provides a low pressure casting mold, includes lower mould (1) and last mould (2), forms die cavity (3) between lower mould (1) and last mould (2), has sprue (4) in the middle of lower mould (1), the one end and the die cavity (3) of sprue (4) communicate with each other, and the other end communicates with each other with stalk (9), sprue (4) outside package has runner cover (5), its characterized in that: the outer cover of sprue bush (5) has protective housing (6), sprue bush (5) with protective housing (6) bottom is equipped with fixed pressing plate (7), fixed pressing plate (7) are fixed through a plurality of locking bolt (8) on lower mould (1).
2. A low-pressure casting mold according to claim 1, wherein: the upper surface of sprue bush (5) is equipped with the round and goes up the breach, in last breach was arranged in on the upper portion of protective housing (6), the upper surface of protective housing (6) with the upper surface of sprue bush (5) flushes.
3. A low-pressure casting mold according to claim 1, wherein: the sprue structure is characterized in that a circle of lower notch is formed in the bottom of the sprue bush (5), a protrusion (7-1) is arranged at the bottom of the fixed pressing plate (7), the protrusion (7-1) is inserted into the lower notch, a lug (7-2) is arranged on the fixed pressing plate (7), and the protective shell (6) is arranged on the lug (7-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143579.1U CN217433014U (en) | 2021-12-15 | 2021-12-15 | Low-pressure casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143579.1U CN217433014U (en) | 2021-12-15 | 2021-12-15 | Low-pressure casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217433014U true CN217433014U (en) | 2022-09-16 |
Family
ID=83209306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123143579.1U Active CN217433014U (en) | 2021-12-15 | 2021-12-15 | Low-pressure casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217433014U (en) |
-
2021
- 2021-12-15 CN CN202123143579.1U patent/CN217433014U/en active Active
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