CN218452583U - One-die double-ejection die for aluminum alloy die casting with core exhaust mechanism - Google Patents
One-die double-ejection die for aluminum alloy die casting with core exhaust mechanism Download PDFInfo
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- CN218452583U CN218452583U CN202222449638.6U CN202222449638U CN218452583U CN 218452583 U CN218452583 U CN 218452583U CN 202222449638 U CN202222449638 U CN 202222449638U CN 218452583 U CN218452583 U CN 218452583U
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Abstract
The utility model provides a two play moulds of aluminum alloy die casting mould with core exhaust mechanism belongs to die casting die technical field. The stamping die comprises an upper stamping die and a bottom plate, wherein two stamping cavities are arranged between the upper stamping die and the bottom plate, and each stamping cavity is formed by combining an upper molding surface arranged on the upper stamping die and a lower molding surface arranged on the bottom plate. Two stamping forming cavities between the upper punch die and the bottom plate can be used for one-step die-casting two aluminum alloy die castings, three die casting main body forming grooves and three die casting main body forming lugs are matched to form three die casting main body parts of the aluminum alloy die castings through stamping, a lower connecting plate forming part and an upper connecting plate forming part are matched to form a connecting plate for connecting the three die casting main body parts through stamping, and the core exhaust mechanism can discharge high-temperature and high-pressure gas which is extruded in the stamping forming cavities during the stamping forming of products so as to improve the die-casting quality of the products.
Description
Technical Field
The utility model belongs to the technical field of die casting die, a two moulds of aluminum alloy die casting mould with core exhaust mechanism is related to.
Background
In the process of preparing a metal part by using the die-casting die, the design of an exhaust system of the die-casting die has a crucial influence on the forming quality of a casting and the production efficiency of a product. In the design process of the existing die-casting die, designers often focus on the aspect of flow channel design, namely, the molding quality, the production efficiency and the like of a casting are improved by improving a casting system in the die-casting die, and the design of an exhaust system of the die-casting die is often ignored, so that the die-casting die capable of exhausting high-temperature and high-pressure gas exhausted from a cavity during die-casting of a product is needed.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a Chinese patent discloses a die-casting die for a precision die-casting piece [ application number: 201520556996.4] comprising a front mold core, a rear mold core and a thimble, wherein the front mold core is provided with a first mold cavity and an inner gate; the rear die core is provided with a second die cavity; the second die cavity comprises a plurality of product molding cavities, a pouring channel communicated with the product molding cavities and the inner pouring gate, and an overflow groove communicated with the product molding cavities; a plurality of jacks matched with the thimbles are formed at the bottom of the overflow groove; the thimble is inserted into the insertion hole, but there is also the above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a two moulds of aluminum alloy die casting mould with core exhaust mechanism is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides an aluminum alloy die casting one mould two-shot mould with core exhaust mechanism, includes punch die and bottom plate, last punch die and bottom plate between be equipped with two stamping forming chamber, stamping forming chamber form by setting up the last shaping face on last punch die and setting up the lower shaping face combination on the bottom plate, lower shaping face on be equipped with three inside sunken die casting main part shaping groove and connect the lower connecting plate shaping portion in three die casting main part shaping groove, last shaping face on be equipped with the die casting main part shaping lug that three protrusions set up and connect the upper connecting plate shaping portion of three die casting main part shaping lug, last punch die and bottom plate between still be equipped with and be used for carminative core exhaust mechanism.
In the one-die double-outlet die for the aluminum alloy die casting with the core exhaust mechanism, the core exhaust mechanism comprises an exhaust hole vertically penetrating through the upper die and the bottom plate, and the bottom plate is provided with an exhaust structure connecting the stamping forming cavity and the exhaust hole.
In the one-die double-outlet die for the aluminum alloy die casting with the core exhaust mechanism, the exhaust structure comprises a first exhaust channel arranged on the bottom plate, the first exhaust channel is connected with the lower forming surfaces through a connecting channel structure, and an exhaust channel structure for connecting the first exhaust channel and the exhaust holes is further arranged between the two lower forming surfaces.
In the aluminum alloy die casting one-die double-outlet die with the core exhaust mechanism, the first exhaust channel is arc-shaped and is matched with the inner side wall of the lower forming surface, and the first exhaust channel is inwards sunken and is formed with a sealing part between the first exhaust channel and the lower forming surface.
In foretell aluminum alloy die casting one mould two plays mould with core exhaust mechanism, connection channel structure include a plurality of No. one connection channel that link to each other with die casting main part shaping groove and a plurality of No. two connection channels that link to each other with lower connecting plate shaping portion, a connection channel and No. two connection channels inwards cave in and set up on the sealing, a connection channel keep away from die casting main part shaping groove one side and link to each other with an exhaust passage, no. two connection channels keep away from lower connecting plate shaping portion one side and link to each other with an exhaust passage.
In the one-die double-outlet die for the aluminum alloy die casting with the core exhaust mechanism, at least one first connecting channel is arranged between each die casting main body forming groove and the first connecting channel, and at least two second connecting channels are arranged between the lower connecting plate forming part and the first connecting channel.
In the one-die double-outlet die for the aluminum alloy die casting with the core exhaust mechanism, the exhaust channel structure comprises an exhaust part which is convexly arranged between two lower forming surfaces, the top of the exhaust part is inwards sunken to be provided with a main exhaust channel connected with an exhaust hole, two sides of the main exhaust channel are provided with a second exhaust channel connected with the first exhaust channel, and the second exhaust channel is inwards sunken.
In the one-die double-outlet die for the aluminum alloy die casting with the core exhaust mechanism, at least two second exhaust channels are arranged between the first exhaust channel and the main exhaust channel.
In the aluminum alloy die casting one-die double-outlet die with the core exhaust mechanism, the three die casting main body forming grooves and the three die casting main body forming lugs are arranged in a regular triangle.
In the one-die double-outlet die for the aluminum alloy die casting with the core exhaust mechanism, the section of the exhaust hole is circular.
Compared with the prior art, the utility model has the advantages of:
1. two stamping forming cavities between the upper punch die and the bottom plate can be used for one-step die-casting two aluminum alloy die castings, three die casting main body forming grooves and three die casting main body forming lugs are matched to form three die casting main body parts of the aluminum alloy die castings through stamping, a lower connecting plate forming part and an upper connecting plate forming part are matched to form a connecting plate for connecting the three die casting main body parts through stamping, and the core exhaust mechanism can discharge high-temperature and high-pressure gas which is extruded in the stamping forming cavities during the stamping forming of products so as to improve the die-casting quality of the products.
2. The exhaust structure arranged on the bottom plate can discharge high-temperature and high-pressure gas extruded in the punch forming cavity during die casting to the exhaust hole and then discharge the gas through the exhaust hole, so that the die casting quality of a product is improved.
3. High-temperature and high-pressure gas extruded in the punch forming cavity can be discharged into the first exhaust channel through the connecting channel structure, and then the gas in the first exhaust channel can be discharged to the exhaust hole through the exhaust channel structure.
4. Gas in the die casting main part shaping groove can get into exhaust passage No. one through interface channel in, and gas in the lower connecting plate shaping portion can get into exhaust passage No. one through No. two interface channels in, sets up respectively with die casting main part shaping groove and the first interface channel that lower connecting plate shaping portion links to each other and No. two interface channels can improve the exhaust efficiency in the stamping forming intracavity gas outgoing to exhaust passage No. one.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a three-dimensional view of the present invention;
FIG. 2 is a schematic view of the structure of the base plate;
FIG. 3 is a schematic structural view of the upper die;
fig. 4 is an enlarged schematic view at a in fig. 2.
In the figure, an upper punch 1, a bottom plate 2, an upper forming surface 3, a lower forming surface 4, a die casting main body forming groove 5, a lower connecting plate forming part 6, a die casting main body forming lug 7, an upper connecting plate forming part 8, a core exhaust mechanism 9, an exhaust hole 10, an exhaust structure 11, a first exhaust channel 12, a connecting channel structure 13, an exhaust channel structure 14, a sealing part 15, a first connecting channel 16, a second connecting channel 17, an exhaust part 18, a main exhaust channel 19 and a second exhaust channel 20.
Detailed Description
As shown in figures 1-4, the die-casting one-die double-outlet die for the aluminum alloy die-casting with the core exhaust mechanism comprises an upper die 1 and a bottom plate 2, two stamping cavities are arranged between the upper die 1 and the bottom plate 2, the stamping cavities are formed by combining an upper molding surface 3 arranged on the upper die 1 and a lower molding surface 4 arranged on the bottom plate 2, three die-casting main body molding grooves 5 which are sunken inwards and lower connecting plate molding parts 6 connected with the three die-casting main body molding grooves 5 are arranged on the lower molding surface 4, three die-casting main body molding lugs 7 which are sunken inwards and upper connecting plate molding parts 8 connected with the three die-casting main body molding lugs 7 are arranged on the upper molding surface 3, and a core exhaust mechanism 9 for exhausting is further arranged between the upper die 1 and the bottom plate 2.
The utility model discloses in, two stamping forming chambeies between upper punch die and the bottom plate can one time die-casting two aluminum alloy die castings, three die casting main part shaping groove 5 and the cooperation of three die casting main part shaping lug 7 can the three die casting main part that stamping forming made the aluminum alloy die casting, connecting plate shaping portion 6 and the cooperation of upper junction plate shaping portion 8 can the punching press form the connecting plate of connecting three die casting main part down, thereby core exhaust mechanism 9 can receive the high temperature high-pressure gas discharge of extrusion in the stamping forming intracavity when the stamping forming product improves the die-casting quality of product.
Specifically, as shown in fig. 1 to 3, the core venting mechanism 9 includes a vent hole 10 vertically penetrating through the upper die 1 and the bottom plate 2, and the bottom plate 2 is provided with a vent structure 11 connecting the press-forming cavity and the vent hole 10. The exhaust structure arranged on the bottom plate can discharge high-temperature and high-pressure gas extruded in the punch forming cavity during die casting to the exhaust hole and then discharge the gas through the exhaust hole, so that the die casting quality of a product is improved.
Specifically, as shown in fig. 2 and 4, the exhaust structure 11 includes a first exhaust channel 12 disposed on the bottom plate 2, the first exhaust channel 12 is connected to the lower molding surfaces 4 through a connecting channel structure 13, and an exhaust channel structure 14 connecting the first exhaust channel 12 and the exhaust holes 10 is further disposed between the two lower molding surfaces 4. The high-temperature and high-pressure gas extruded in the punch forming cavity can be discharged into the first exhaust channel through the connecting channel structure, and then the gas in the first exhaust channel can be discharged to the exhaust hole through the exhaust channel structure 14.
Specifically, first exhaust passage 12 is the arc and with the inside wall adaptation of lower profiled surface 4, first exhaust passage 12 inwards cave in and be provided with sealing 15 between with lower profiled surface 4. The sealing part is a part of a stamping forming cavity formed by combining an upper stamping die and a bottom plate after die assembly, and the first exhaust channel is arranged on one side of the sealing part, which is far away from the lower forming surface.
Specifically, the connecting channel structure 13 comprises a plurality of first connecting channels 16 connected with the die casting main body forming grooves 5 and a plurality of second connecting channels 17 connected with the lower connecting plate forming portions 6, the first connecting channels 16 and the second connecting channels 17 are arranged on the sealing portions 15 in an inwards recessed mode, one sides, far away from the die casting main body forming grooves 5, of the first connecting channels 16 are connected with the first exhaust channels 12, and one sides, far away from the lower connecting plate forming portions 6, of the second connecting channels 17 are connected with the first exhaust channels 12. Gas in the die casting main part shaping groove 5 can get into the exhaust passage No. one through interface channel in, and gas in the lower connecting plate shaping portion 6 can get into the exhaust passage No. one through No. two interface channels in, sets up respectively with die casting main part shaping groove 5 and the first interface channel and No. two interface channel 17 that lower connecting plate shaping portion 6 links to each other and can improve the exhaust efficiency in the stamping forming intracavity gas outgoing exhaust passage No. one.
Preferably, at least one first connecting channel 16 is arranged between each die casting body forming groove 5 and the first connecting channel 16, and at least two second connecting channels 17 are arranged between the lower connecting plate forming part 6 and the first connecting channel 16. The structure can improve the exhaust efficiency.
Specifically, the exhaust channel structure 14 comprises an exhaust part 18 which is convexly arranged between the two lower forming surfaces 4, the top of the exhaust part 18 is inwards concavely provided with a main exhaust channel 19 connected with the exhaust hole 10, two sides of the main exhaust channel 19 are provided with a second exhaust channel 20 connected with the first exhaust channel 12, and the second exhaust channel 20 is inwards concavely arranged. The gas in the first exhaust passage can be discharged to the exhaust hole through the second exhaust passage 20 and the main exhaust passage 19.
Preferably, at least two No. two exhaust passages 20 are provided between No. one exhaust passage 12 and main exhaust passage 19. The provision of at least two No. two exhaust passages 20 can improve exhaust efficiency.
Specifically, as shown in fig. 2 and 3 in conjunction, three die cast body molding grooves 5 and three die cast body molding projections 7 are arranged in a regular triangle.
Specifically, as shown in fig. 1 to 3, the cross section of the exhaust hole 10 is circular.
The utility model discloses a theory of operation is: two stamping forming cavities between the upper punch die and the bottom plate can be used for carrying out one-step die-casting forming on two aluminum alloy die castings, three die casting main body forming grooves 5 and three die casting main body forming lugs 7 are matched and can be used for carrying out punch forming on three die casting main body parts of the aluminum alloy die castings, a lower connecting plate forming part 6 and an upper connecting plate forming part 8 are matched and can be used for carrying out punch forming on a connecting plate for connecting the three die casting main body parts, and a core exhaust mechanism 9 can exhaust high-temperature and high-pressure gas extruded in the die casting cavities during punch forming of products so as to improve the die-casting quality of the products;
the exhaust structure arranged on the bottom plate can exhaust high-temperature and high-pressure gas extruded in the punch forming cavity during die casting to the exhaust hole and then to the exhaust hole, so that the die casting quality of a product is improved, the high-temperature and high-pressure gas extruded in the punch forming cavity can be exhausted to the first exhaust channel through the connecting channel structure, the gas in the first exhaust channel can be exhausted to the exhaust hole through the exhaust channel structure 14, the sealing part is a part of the punch forming cavity formed by combining the upper punch die and the bottom plate after die assembly, and the first exhaust channel is arranged on one side of the sealing part away from the lower forming surface;
gas in the die casting main part shaping groove 5 can get into in the exhaust passage through a connection channel, gas in the lower connecting plate shaping portion 6 can get into in the exhaust passage through No. two connection channels, set up respectively with die casting main part shaping groove 5 and the continuous connection channel of lower connecting plate shaping portion 6 and No. two connection channels 17 can improve the exhaust efficiency of stamping forming intracavity gas discharge in the exhaust passage, gas in the exhaust passage can discharge the exhaust hole through No. two exhaust passage 20 and main exhaust passage 19, set up No. two at least exhaust passage 20 and can improve exhaust efficiency.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the upper die 1, the bottom plate 2, the upper molding surface 3, the lower molding surface 4, the die casting main body molding groove 5, the lower connecting plate molding portion 6, the die casting main body molding projection 7, the upper connecting plate molding portion 8, the core exhaust mechanism 9, the exhaust hole 10, the exhaust structure 11, the first exhaust passage 12, the connection passage structure 13, the exhaust passage structure 14, the sealing portion 15, the first connection passage 16, the second connection passage 17, the exhaust portion 18, the main exhaust passage 19, the second exhaust passage 20, etc., are used more extensively herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.
Claims (10)
1. The utility model provides an aluminum alloy die casting one-die double-outlet die with core exhaust mechanism, includes upper punch die (1) and bottom plate (2), its characterized in that, upper punch die (1) and bottom plate (2) between be equipped with two press forming chambeies, press forming chamber form by setting up last shaping face (3) on upper punch die (1) and setting up lower shaping face (4) combination on bottom plate (2), lower shaping face (4) on be equipped with three inside sunken die casting main part shaping groove (5) and connect lower connecting plate shaping portion (6) of three die casting main part shaping groove (5), upper shaping face (3) on be equipped with three die casting main part shaping lug (7) that the protrusion set up and connect upper connecting plate shaping portion (8) of three die casting main part shaping lug (7), upper punch die (1) and bottom plate (2) between still be equipped with the exhaust mechanism (9) that are used for the exhaust core.
2. The die-casting die of aluminum alloy with the core venting mechanism as claimed in claim 1, wherein the core venting mechanism (9) comprises a vent hole (10) vertically penetrating through the upper die (1) and the bottom plate (2), and the bottom plate (2) is provided with a venting structure (11) connecting the stamping cavity and the vent hole (10).
3. The die-casting die-set and double-die-out die for aluminum alloy die castings with core venting mechanisms as claimed in claim 2, wherein the venting structure (11) comprises a venting channel (12) disposed on the bottom plate (2), the venting channel (12) is connected with the lower molding surfaces (4) through a connecting channel structure (13), and a venting channel structure (14) connecting the venting channel (12) and the venting hole (10) is disposed between the two lower molding surfaces (4).
4. The die-casting die-set and double-die-out die for aluminum alloy die castings with core venting mechanisms as claimed in claim 3, wherein the first venting channel (12) is arc-shaped and is matched with the inner side wall of the lower forming surface (4), and the first venting channel (12) is recessed inwards and forms a sealing part (15) with the lower forming surface (4).
5. The die-casting die with the core venting mechanism of aluminum alloy as claimed in claim 4, wherein the connecting channel structure (13) comprises a plurality of connecting channels (16) of the first number connected with the die-casting body forming groove (5) and a plurality of connecting channels (17) of the second number connected with the lower connecting plate forming part (6), the connecting channels (16) of the first number and the connecting channels (17) of the second number are recessed inwards on the sealing part (15), the side of the connecting channel (16) of the first number, which is far away from the die-casting body forming groove (5), is connected with the exhaust channel (12) of the first number, and the side of the connecting channel (17) of the second number, which is far away from the lower connecting plate forming part (6), is connected with the exhaust channel (12) of the first number.
6. The die-casting one-die-double-out die for aluminum alloy die-castings with core venting mechanisms according to claim 5, wherein at least one connection channel one (16) is provided between each die-casting body forming groove (5) and the connection channel one (16), and at least two connection channels two (17) are provided between the lower web forming portion (6) and the connection channel one (16).
7. The one-die double-outlet die for aluminum alloy die castings with the core venting mechanism as claimed in claim 3, wherein the venting channel structure (14) comprises a venting portion (18) convexly disposed between the two lower forming surfaces (4), a main venting channel (19) connected with the venting hole (10) is concavely disposed at the top of the venting portion (18), a second venting channel (20) connected with the first venting channel (12) is disposed at both sides of the main venting channel (19), and the second venting channel (20) is concavely disposed.
8. The die casting die-casting die with the core venting mechanism of claim 7, wherein at least two exhaust passages (20) of the number two are arranged between the exhaust passage (12) of the number one and the main exhaust passage (19).
9. The die casting one-die-two-out die for aluminum alloy die casting with core venting mechanism as claimed in claim 1, wherein three die casting body molding grooves (5) and three die casting body molding projections (7) are arranged in a regular triangle.
10. The one-die two-out die for aluminum alloy die casting with core venting mechanism as claimed in claim 2, wherein the cross section of the venting hole (10) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449638.6U CN218452583U (en) | 2022-09-15 | 2022-09-15 | One-die double-ejection die for aluminum alloy die casting with core exhaust mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449638.6U CN218452583U (en) | 2022-09-15 | 2022-09-15 | One-die double-ejection die for aluminum alloy die casting with core exhaust mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218452583U true CN218452583U (en) | 2023-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449638.6U Active CN218452583U (en) | 2022-09-15 | 2022-09-15 | One-die double-ejection die for aluminum alloy die casting with core exhaust mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218452583U (en) |
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2022
- 2022-09-15 CN CN202222449638.6U patent/CN218452583U/en active Active
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