CN219335928U - Demoulding mechanism of die casting die - Google Patents
Demoulding mechanism of die casting die Download PDFInfo
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- CN219335928U CN219335928U CN202223583051.0U CN202223583051U CN219335928U CN 219335928 U CN219335928 U CN 219335928U CN 202223583051 U CN202223583051 U CN 202223583051U CN 219335928 U CN219335928 U CN 219335928U
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Abstract
The utility model relates to the technical field of die casting and demolding, in particular to a demolding mechanism of a die casting mold, which comprises a demolding part, wherein the demolding part comprises an ejection demolding structure and a pneumatic demolding structure, a first annular concave table is formed in the inner wall of a demolding cavity, demolding air holes are uniformly distributed in the first annular concave table, and the pneumatic demolding structure is connected with the demolding air holes. According to the utility model, the ejection demoulding structure and the pneumatic demoulding structure are arranged, when the ejection demoulding structure is extended during demoulding, the die castings in the mould cavity can be demoulded, the ejection demoulding structure can not block the first annular concave table, so that the demoulding air holes leak outwards, the air holes are convenient for blowing and demoulding the die castings in the mould cavity, the number of the ejection demoulding structures is 4, and the ejection demoulding structures are arranged at the four corners of the bottom of the mould cavity, so that the stress points of die casting demoulding can be increased, the die castings can be demoulded more easily, the time and the labor are saved, the labor intensity of workers is reduced, and the working efficiency is further improved.
Description
Technical Field
The utility model relates to the technical field of die casting and demolding, in particular to a demolding mechanism of a die casting mold.
Background
The die casting die is a method for casting liquid die forging, and is a process finished on a special die casting die forging machine. The die casting material, the die casting machine and the die are three major elements of die casting production, the alloy adopted by the die casting is mainly nonferrous alloy, and the problems of ferrous metals (steel, iron and the like) and the like caused by the die material are solved.
However, the existing die casting mold has the following problems in the use process: the difficult drawing of patterns's condition appears easily for die casting laminating is inside the mould, is difficult to take out, adopts the mode of manual work getting material generally, wastes time and energy, not only increases workman's intensity of labour, and has reduced work efficiency.
Disclosure of Invention
In order to solve the technical problem, the demolding mechanism of the die-casting mold is provided, after the die-casting mold is subjected to die-casting molding in the prior art, which is proposed in the prior art, is solved, the die-casting piece is attached to the inside of the mold and is difficult to take out, a manual material taking mode is adopted, time and labor are wasted, the labor intensity of workers is increased, and the work efficiency is reduced.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a die casting die's demoulding mechanism, includes mould, lower mould, mold core and drawing of patterns part, and the mold core sets up between last mould and lower mould, and the mold core passes through bolt and lower mould fixed connection, and the one end of bolt runs through the lower bolster and extends to the inside of mold core, and the lower extreme of going up the mould is equipped with the guide post, goes up mould and mold core fixed connection through the guide post, and the cavity is seted up at the inside and the central authorities of mold core, drawing of patterns part is including setting up in the inside ejecting drawing of patterns structure and pneumatic drawing of patterns structure of lower mould, the drawing of patterns chamber that is circular shape is seted up in the bottom four corners position of cavity, first annular concave station has been seted up to the inner wall of drawing of patterns chamber, evenly distributed the drawing of patterns gas hole on the first annular concave station, the direction of blowing of drawing of patterns gas hole sets up towards the die cavity, pneumatic drawing of patterns structure and drawing of patterns gas hole are connected for to the drawing of patterns gas hole, ejecting the drawing of patterns structure sets up in the drawing of patterns intracavity, and ejecting the drawing of patterns structure's upper end and die cavity bottom surface are in the coplanar, ejecting the drawing of patterns structure stretches out and be used for carrying out the foundry goods in the die cavity drawing of patterns and control gas hole, the ejection drawing of patterns structure, the die hole is used for blocking the blowing.
Specifically, the lower extreme in drawing of patterns chamber still is equipped with and is circular shape's installation chamber, and the installation chamber sets up in the below of first annular concave station, the internal diameter in installation chamber is greater than the internal diameter in drawing of patterns chamber.
Specifically, ejecting demoulding structure includes kicking block, ejector pin and spring, the upper end fixed mounting kicking block of ejector pin, the kicking block sets up in the taking off the die cavity, the size of kicking block and the size looks adaptation of taking off the die cavity, the ejector pin sets up in the installation cavity, the spring cup joints on the ejector pin, the upper end and the inboard roof rigid coupling of installation cavity of spring.
Specifically, still include the mounting panel that sets up in the installation cavity below, mounting panel fixed mounting is in the lower extreme of ejector pin, the lower extreme and the upper surface rigid coupling of mounting panel of spring.
Specifically, still include setting up in pneumatic cylinder and the connecting rod of installation chamber below, the lower extreme of connecting rod is connected with the flexible end of pneumatic cylinder, the upper end of connecting rod is connected with the mounting panel.
Specifically, pneumatic demoulding structure is gas circuit pipeline and annular jet-propelled pipeline, annular jet-propelled pipeline corresponds first annular concave station department setting, the last connection gas pocket of having seted up of annular jet-propelled pipeline, gas circuit pipeline is connected with annular jet-propelled pipeline, the connection gas pocket corresponds with the drawing of patterns gas pocket.
Specifically, the device also comprises an air passage connector arranged on the side surface of the lower die, and the air passage connector is connected with an air passage pipeline.
The beneficial effects of the utility model are as follows: according to the utility model, the ejection demoulding structure and the pneumatic demoulding structure are arranged, when the ejection demoulding structure is extended during demoulding, on one hand, the die castings in the cavities can be demoulded, on the other hand, the ejection demoulding structure can not block the first annular concave table, so that the demoulding air holes leak outwards, the air holes are convenient for blowing and demoulding the die castings in the cavities, the number of the ejection demoulding structures is 4, and the ejection demoulding structures are arranged at the four corners of the bottoms of the cavities, so that the stress points of die casting demoulding can be increased, the die castings can be demoulded more easily, the time and the labor are saved, the labor intensity of workers is reduced, and the working efficiency is further improved.
Drawings
Fig. 1 is a schematic structural view of a demolding mechanism of a die-casting mold according to an embodiment of the present utility model;
fig. 2 is a schematic cross-sectional view of a demolding mechanism of a die-casting mold according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of embodiment A of the present utility model;
fig. 4 is a schematic structural view of a pneumatic demolding structure according to an embodiment of the present utility model.
In the figure: the upper die 1, the lower die 2, the die core 3, the hydraulic cylinder 4, the connecting rod 5, the mounting plate 6, the spring 7, the ejector rod 8, the air passage joint 9, the die cavity 10, the guide post 11, the bolt 12, the demolding cavity 13, the ejector block 14, the first annular concave table 15, the demolding air hole 16, the mounting cavity 17, the air passage pipeline 18, the annular air injection pipeline 19 and the connecting air hole 20.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a demoulding mechanism of a die casting mould comprises an upper mould 1, a lower mould 2, a mould core 3 and a demoulding component, wherein the mould core 3 is arranged between the upper mould 1 and the lower mould 2, the mould core 3 is fixedly connected with the lower mould 2 through a bolt 12, one end of the bolt 12 penetrates through a lower mould 2 plate and extends to the inside of the mould core 3, the lower end of the upper mould 1 is provided with a guide post 11, the upper mould 1 is fixedly connected with the mould core 3 through the guide post 11, a cavity 10 is formed in the inside and the center of the mould core 3, the demoulding component comprises an ejection demoulding structure and a pneumatic demoulding structure which are arranged in the inside of the lower mould 2, a circular demoulding cavity 13 is formed in the four corners of the bottom of the cavity 10, a first annular concave table 15 is formed in the inner wall of the demoulding cavity 13, the first annular concave table 15 is uniformly provided with demoulding air holes 16, the direction of the demoulding air holes 16 is arranged towards the cavity 10, the pneumatic demoulding structure is connected with the demoulding air holes 16 and is used for supplying air to the demoulding air holes 16, the ejection structure is arranged in the demoulding cavity 13, the ejection structure and the bottom surface of the demoulding structure and the bottom surface 10 are in the same plane as the demoulding cavity 10, and the ejection structure is used for controlling the ejection of the cavity 16 to be retracted into the cavity 10.
In this embodiment, the bolt 12 and the guide post 11 according to the present utility model are used for fixedly connecting the upper die 1, the lower die 2 and the die core 3, so as to facilitate assembling the die casting die.
In this embodiment, the diameter of the first annular concave 15 is larger than that of the demolding cavity 13, and the lower surface of the inner side of the first annular concave 15 is inclined, so that demolding air holes 16 are conveniently distributed, and meanwhile, the blowing direction of the demolding air holes 16 is conveniently arranged towards the mold cavity 10, and in addition, the first annular concave 15 is used for preventing the demolding air holes 16 from being blocked.
In this embodiment, the bottom four corners of the cavity 10 related to the present utility model are provided with the demolding cavities 13, that is, the number of the demolding cavities 13 is 4, so as to realize demolding of the four corners of the die casting, and increase the stress points for demolding the die casting, so that the die casting is easier to demold, time and labor are saved, the labor intensity of workers is reduced, and further the working efficiency is improved.
In this embodiment, the upper end of the ejection demoulding structure and the bottom surface of the cavity 10 are in the same plane, so that the die casting process of the die casting mould is facilitated.
In this embodiment, a circular mounting cavity 17 is further disposed at the lower end of the demolding cavity 13, and the mounting cavity 17 is disposed below the first annular concave table 15, and an inner diameter of the mounting cavity 17 is larger than an inner diameter of the demolding cavity 13.
In this embodiment, the demolding cavity 13 and the installation cavity 17 according to the present utility model are communicated, and the installation cavity 17 is disposed below the first annular concave table 15, wherein the inner diameter of the installation cavity 17 is larger than the inner diameter of the demolding cavity 13, so that the spring 7 is conveniently installed inside the demolding cavity 13.
In this embodiment, the ejection demolding structure includes a ejector block 14, an ejector rod 8 and a spring 7, wherein the ejector block 14 is fixedly installed at the upper end of the ejector rod 8, the ejector block 14 is disposed in the demolding cavity 13, the size of the ejector block 14 is matched with the size of the demolding cavity 13, the ejector rod 8 is disposed in the mounting cavity 17, the spring 7 is sleeved on the ejector rod 8, and the upper end of the spring 7 is fixedly connected with the top wall of the inner side of the mounting cavity 17; the device further comprises a mounting plate 6 arranged below the mounting cavity 17, wherein the mounting plate 6 is fixedly arranged at the lower end of the ejector rod 8, and the lower end of the spring 7 is fixedly connected with the upper surface of the mounting plate 6; the hydraulic cylinder is characterized by further comprising a hydraulic cylinder 4 and a connecting rod 5 which are arranged below the mounting cavity 17, wherein the lower end of the connecting rod 5 is connected with the telescopic end of the hydraulic cylinder 4, and the upper end of the connecting rod 5 is connected with the mounting plate 6.
In this embodiment, the ejector block 14, the ejector rod 8, the spring 7, the mounting plate 6, the hydraulic cylinder 4 and the connecting rod 5 related to the utility model, wherein, the hydraulic cylinder 4 can drive the mounting plate 6 to move up and down through the connecting rod 5, and then under the action of the mounting plate 6, the integral structure of the ejector block 14 and the ejector rod 8 can move towards the direction of the cavity 10 by using the mounting plate 6 when the hydraulic cylinder 4 drives the mounting plate 6 to move upwards through the connecting rod 5, the ejector rod 8 can give the die casting a buffering effect under the action of the spring 7, the ejector rod 8 can prevent the ejector rod 8 from driving the ejector block 14 to move too fast to damage the die casting, and simultaneously the ejector block 14 stretches out to be used for demolding the die casting in the cavity 10, and when the ejector block 14 stretches out, the ejector block 14 can not block the first annular concave table 15, so that the demolding air hole 16 leaks outwards, the demolding air hole 16 is convenient for demolding the die casting in the cavity 10, the two modes, the hydraulic cylinder 4 can accelerate the working efficiency, and when the demolding is completed, the ejector rod 4 drives the ejector block 6 to move the mounting plate 6 downwards through the connecting rod 6, the spring 6 and the position of the ejector rod 6 can restore the air hole 16, the labor is saved, and the labor intensity of the whole demolding is reduced, and the labor is saved.
In this embodiment, the pneumatic demolding structure is an air channel pipeline 18 and an annular air injection pipeline 19, the annular air injection pipeline 19 is disposed at a position corresponding to the first annular concave table 15, a connecting air hole 20 is formed in the annular air injection pipeline 19, the air channel pipeline 18 is connected with the annular air injection pipeline 19, and the connecting air hole 20 corresponds to the demolding air hole 16; the device further comprises an air passage joint 9 arranged on the side surface of the lower die 2, and the air passage joint 9 is connected with an air passage pipeline 18.
In this embodiment, the air passage joint 9 is externally connected with a bulge machine, and air is blown out through the air passage pipeline 18, the annular air injection pipeline 19, the connecting air hole 20 and the demolding air hole 16, so that pneumatic demolding is facilitated.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. The utility model provides a die casting die's demoulding mechanism, includes mould, lower mould, mold core and drawing of patterns part, and the mold core sets up between last mould and lower mould, and the mold core passes through bolt and lower mould fixed connection, and the one end of bolt runs through the lower bolster and extends to the inside of mold core, and the lower extreme of going up the mould is equipped with the guide post, goes up mould and mold core fixed connection through the guide post, and the cavity is seted up at the inside and the central authorities of mold core, its characterized in that, drawing of patterns part is including setting up in the inside ejecting demoulding structure and the pneumatic demoulding structure of lower mould, the drawing of patterns chamber's bottom four corners position has been seted up and has been circular form drawing of patterns chamber, first annular concave station has been seted up to the inner wall of drawing of patterns chamber, evenly distributed the drawing of patterns gas hole on the first annular concave station, the direction of blowing of drawing of patterns gas hole sets up towards the die cavity, pneumatic demoulding structure is connected with the drawing of patterns gas hole for to the drawing of patterns gas hole, ejecting demoulding structure sets up in the drawing of patterns intracavity, and ejecting demoulding structure's upper end and die cavity bottom surface are in the coplanar, ejecting demoulding structure is used for carrying out the foundry goods in the drawing of patterns to the die cavity and controlling the drawing of patterns hole, the ejection gas hole and carrying out the drawing of patterns.
2. The demolding mechanism of a die casting mold according to claim 1, wherein a circular installation cavity is further formed in the lower end of the demolding cavity, the installation cavity is arranged below the first annular concave table, and the inner diameter of the installation cavity is larger than that of the demolding cavity.
3. The die-casting die's demoulding mechanism according to claim 2, wherein, ejecting demoulding structure includes kicking block, ejector pin and spring, the upper end fixed mounting kicking block of ejector pin, the kicking block sets up in the taking off the die cavity, the size of kicking block and the size looks adaptation of taking off the die cavity, the ejector pin sets up in the installation cavity, the spring cup joints on the ejector pin, the upper end and the inboard roof rigid coupling of installation cavity of spring.
4. A die-casting die's demoulding mechanism according to claim 3, further comprising a mounting plate arranged below the mounting cavity, wherein the mounting plate is fixedly arranged at the lower end of the ejector rod, and the lower end of the spring is fixedly connected with the upper surface of the mounting plate.
5. The die-casting die's demoulding mechanism as defined in claim 4, further comprising a hydraulic cylinder and a connecting rod arranged below the mounting cavity, wherein the lower end of the connecting rod is connected with the telescopic end of the hydraulic cylinder, and the upper end of the connecting rod is connected with the mounting plate.
6. The demoulding mechanism of the die casting die according to claim 1, wherein the pneumatic demoulding structure comprises a gas circuit pipeline and an annular air injection pipeline, the annular air injection pipeline is arranged at a position corresponding to the first annular concave table, a connecting air hole is formed in the annular air injection pipeline, the gas circuit pipeline is connected with the annular air injection pipeline, and the connecting air hole corresponds to the demoulding air hole.
7. The die-casting die release mechanism according to claim 6, further comprising a gas path joint arranged on the side surface of the lower die, wherein the gas path joint is connected with the gas path pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223583051.0U CN219335928U (en) | 2022-12-31 | 2022-12-31 | Demoulding mechanism of die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223583051.0U CN219335928U (en) | 2022-12-31 | 2022-12-31 | Demoulding mechanism of die casting die |
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| Publication Number | Publication Date |
|---|---|
| CN219335928U true CN219335928U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223583051.0U Active CN219335928U (en) | 2022-12-31 | 2022-12-31 | Demoulding mechanism of die casting die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444168A (en) * | 2023-12-22 | 2024-01-26 | 宁波臻至机械模具有限公司 | Energy-saving die casting die easy to demolding |
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2022
- 2022-12-31 CN CN202223583051.0U patent/CN219335928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444168A (en) * | 2023-12-22 | 2024-01-26 | 宁波臻至机械模具有限公司 | Energy-saving die casting die easy to demolding |
| CN117444168B (en) * | 2023-12-22 | 2024-03-26 | 宁波臻至机械模具有限公司 | Energy-saving die casting die easy to demolding |
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