CN219151533U - High-filling-rate die-casting die capable of rebounding and demolding - Google Patents
High-filling-rate die-casting die capable of rebounding and demolding Download PDFInfo
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- CN219151533U CN219151533U CN202223526678.2U CN202223526678U CN219151533U CN 219151533 U CN219151533 U CN 219151533U CN 202223526678 U CN202223526678 U CN 202223526678U CN 219151533 U CN219151533 U CN 219151533U
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- 238000004512 die casting Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a high-filling-rate rebound demolding die casting die, which is characterized in that: the device comprises an outer die holder, a movable die, an ejection cylinder, a limit seat, a limit plate and a limit nut; the movable mould can be driven to move in the vertical direction by inflating the inflating cavity; through the structure, when the thin-wall die-casting component is demolded, the movable die moves along with the demolding rod for a certain distance, so that the risk of damage to the thin-wall component can be reduced, the movable die can be driven in and out by arranging the double air inlet pipelines, and the problem that the movable die is inconvenient to return due to the adoption of a single pipeline is avoided; through setting up ejection extension rod to the output of ejection jar, set up the heating chamber in ejection extension rod, can increase the filling rate in the movable mould, reduce the production of the phenomenon of gas pocket, set up the direction dovetail structure on the lower mould, on the one hand convenient drawing of patterns after ejecting, on the other hand also avoid producing the problem of lateral displacement when ejecting in the die cavity.
Description
Technical Field
The utility model relates to the technical field of rebound demolding of die-casting molds, in particular to a die-casting mold with high filling rate and rebound demolding.
Background
The die casting machine is a series of industrial casting machines which are used for die casting a type initially, wherein molten metal is hydraulically injected into a die under the action of pressure to be cooled and molded, and a solid metal casting is obtained after die opening. With the progress of scientific technology and industrial production, especially with the development of industries such as automobiles, motorcycles, household appliances and the like, the die casting technology has been developed rapidly.
In general, when a die-casting part is die-cast in a die-casting mold, the position of a thin wall is often damaged by a die-cast rod, particularly when the partial wall thickness is only 1-2mm, so that the qualification rate of products is reduced; in addition, in a common rebound control structure, a single air inflation pipeline is adopted, so that the movable die can fall back only by pressing down the die plate, and the movable die is inconvenient to control; therefore, there is a need for a high fill rate resilient demolded die casting mold that reduces the damage problems of thin wall die cast parts.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-filling-rate rebound demolding die-casting die, which can solve the problem that a common thin-wall die-casting die is easy to damage a thin-wall position during demolding.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the die casting die with high filling rate and rebound demolding is characterized in that: the device comprises an outer die holder, a movable die, an ejection cylinder, a limit seat, a limit plate and a limit nut;
the outer die seat is of a cuboid structure, and a step cavity for accommodating the movable die is arranged at the center of the outer die seat along the vertical direction; a pair of air inlet pipelines are arranged on one side surface of the outer die holder along the horizontal direction, and the pair of air inlet pipelines are distributed in the vertical direction and communicated with the stepped die cavity;
the movable die is of a cylindrical shell-shaped structure, and the outer wall of the movable die is provided with a stepped ring structure with a convex section; the movable die is arranged in a step cavity of the outer die holder, the lower surface of a step ring structure on the outer wall of the movable die is placed at the step surface of the step cavity, and the outer contour of the step ring structure is clung to the inner wall of the step cavity;
the ejection cylinder is arranged below the outer die holder, an ejection connecting rod is arranged at the output end of the ejection cylinder along the vertical direction, a lower die is arranged at the top end of the ejection connecting rod, and the lower die is embedded in the movable die; a heating through hole is formed in the center of the ejection connecting rod along the vertical direction, a heating cavity is formed in the joint of the top end of the ejection connecting rod and the bottom end of the lower die, heating liquid is arranged in the heating cavity, and a heating source is arranged in the heating through hole to heat the heating liquid in the heating cavity so as to heat the lower die;
the limiting seat is nested outside the movable die, the outer contour of the limiting seat is in a ladder shape, and the limiting seat is placed on the upper surface of the outer die seat and is fixedly connected through bolts; an external thread is arranged on the outer contour of the limit seat above the limit seat; the lower part of the limit seat extends into the stepped cavity; a lower air charging cavity is formed between the step ring structure and the lower step surface of the joint of the step cavity, an upper air charging cavity is formed between the upper part of the step ring structure and the lower surface of the outer die holder, and the lower air charging cavity and the upper air charging cavity are respectively arranged corresponding to the air inlet pipeline;
the limiting plate is horizontally placed on the upper surface of the limiting seat, and the lower surface of the limiting plate is connected with the upper surface of the movable die through bolts;
the cross section of stop nut is L type structure, stop nut's inner wall is provided with the internal thread, and stop nut connects on the external screw thread of spacing seat, leaves the regulation clearance between the horizontal plane of stop nut top inboard and the upper surface of limiting plate.
Further, a guiding dovetail groove is formed in the upper surface of the lower die.
Further, annular sealing strips are arranged between the outer contour of the stepped ring structure and the inner wall of the outer die seat, between the outer contour of the movable die and the inner wall of the outer die seat and between the outer contour of the movable die and the inner wall of the limit seat.
Further, a sealing ring is arranged between the outer contour of the limit seat and the inner wall of the outer mold seat.
The utility model has the advantages that:
1) According to the utility model, the convex-shaped step ring is arranged on the outer side of the movable die, two air inflation cavities are formed in the outer die holder, and the movable die can be driven to move in the vertical direction by inflating the air inflation cavities; meanwhile, the displacement distance of the movable die can be controlled by the limiting seat and limiting nut structure, the movable die moves along with the demolding rod for a distance when the thin-wall die-casting component is demolded through the structure, so that the risk of damage of the thin-wall component can be reduced, in addition, the movable die can be driven in and out through the double air inlet pipelines, and the problem that the movable die returns to the die inconveniently due to the adoption of a single pipeline is avoided.
2) According to the utility model, the ejection connecting rod is arranged at the output end of the ejection cylinder, and the heating cavity is arranged in the ejection connecting rod, so that the filling rate in the movable die can be increased, the occurrence of air holes is reduced, and the guiding dovetail groove structure is arranged on the lower die, so that the demolding after ejection is facilitated, and the problem of lateral displacement during ejection in the die cavity is avoided.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a high-filling-rate rebound demolding die-casting die.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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.
The high-filling-rate rebound demolding die-casting die shown in fig. 1 comprises an outer die holder 1, a movable die 2, an ejection cylinder 3, a limiting seat 4, a limiting plate 5 and a limiting nut 6.
The outer die holder 1 is of a cuboid structure, and a step cavity for accommodating the movable die is arranged at the center of the outer die holder 1 along the vertical direction; a pair of air inlet pipes 11 are arranged on one side surface of the outer die holder 1 along the horizontal direction, and the pair of air inlet pipes 11 are distributed in the vertical direction and communicated with the stepped die cavity.
The movable die 2 is in a cylindrical shell-shaped structure, and the outer wall of the movable die 2 is provided with a stepped ring structure with a convex section; the movable die 2 is arranged in a step cavity of the outer die holder, the lower surface of a step ring structure on the outer wall of the movable die 2 is placed at the step surface of the step cavity, and the outer contour of the step ring structure is clung to the inner wall of the step cavity.
The ejection cylinder 3 is arranged below the outer die holder, an ejection connecting rod 31 is arranged on the output end of the ejection cylinder 3 along the vertical direction, a lower die 7 is arranged at the top end of the ejection connecting rod 31, and the lower die 7 is embedded in the movable die; a heating through hole is formed in the center of the ejection connecting rod 31 along the vertical direction, a heating cavity is formed in the joint of the top end of the ejection connecting rod 31 and the bottom end of the lower die, heating liquid is arranged in the heating cavity, and a heating source is arranged in the heating through hole to heat the heating liquid in the heating cavity so as to heat the lower die.
The limiting seat 4 is nested and arranged at the outer side of the movable die 2, the outer contour of the limiting seat 4 is in a ladder shape, and the limiting seat 4 is placed on the upper surface of the outer die seat 2 and is fixedly connected through bolts; the outer contour of the limit seat 4 above the limit seat 4 is provided with external threads; the lower part of the limit seat 4 extends into the stepped cavity; a lower air charging cavity is formed between the step ring structure and the lower step surface of the joint of the step cavity, an upper air charging cavity is formed between the upper part of the step ring structure and the lower surface of the outer die holder, and the lower air charging cavity and the upper air charging cavity are respectively arranged corresponding to the air inlet pipeline 11.
The limiting plate 5 is horizontally placed on the upper surface of the limiting seat 4, and the lower surface of the limiting plate 5 is connected with the upper surface of the movable die 2 through bolts.
The cross section of stop nut 6 is L type structure, and the inner wall of stop nut 6 is provided with the internal thread, and stop nut 6 is connected on the external screw thread of spacing seat 4, leaves the regulation clearance between the horizontal plane of stop nut 6 top inboard and the upper surface of limiting plate 5.
The upper surface of the lower die 7 is provided with a guide dovetail groove.
Annular sealing strips are arranged between the outer contour of the stepped ring structure and the inner wall of the outer die seat, between the outer contour of the movable die 2 and the inner wall of the outer die seat 1 and between the outer contour of the movable die and the inner wall of the limit seat 1.
A sealing ring is arranged between the outer contour of the limit seat 1 and the inner wall of the outer mold seat 2.
The working principle of the utility model is as follows: the outer side of the movable die is provided with a convex-shaped stepped ring, two air inflation cavities are formed in the outer die holder, and the movable die can be driven to move in the vertical direction by inflating the air inflation cavities; the movable die can move along with the demolding rod for a certain distance when the thin-wall die-casting component is demolded, so that the risk of damage of the thin-wall component can be reduced; through setting up ejection extension rod to the output of ejection jar, set up the heating chamber in ejection extension rod, can increase the filling rate in the movable mould, reduce the production of the phenomenon of gas pocket, set up the direction dovetail structure on the lower mould, on the one hand convenient drawing of patterns after ejecting, on the other hand also avoid producing the problem of lateral displacement when ejecting in the die cavity.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a high filling rate can rebound drawing of patterns die casting die which characterized in that: the device comprises an outer die holder, a movable die, an ejection cylinder, a limit seat, a limit plate and a limit nut;
the outer die seat is of a cuboid structure, and a step cavity for accommodating the movable die is arranged at the center of the outer die seat along the vertical direction; a pair of air inlet pipelines are arranged on one side surface of the outer die holder along the horizontal direction, and the pair of air inlet pipelines are distributed in the vertical direction and communicated with the stepped die cavity;
the movable die is of a cylindrical shell-shaped structure, and the outer wall of the movable die is provided with a stepped ring structure with a convex section; the movable die is arranged in a step cavity of the outer die holder, the lower surface of a step ring structure on the outer wall of the movable die is placed at the step surface of the step cavity, and the outer contour of the step ring structure is clung to the inner wall of the step cavity;
the ejection cylinder is arranged below the outer die holder, an ejection connecting rod is arranged at the output end of the ejection cylinder along the vertical direction, a lower die is arranged at the top end of the ejection connecting rod, and the lower die is embedded in the movable die; a heating through hole is formed in the center of the ejection connecting rod along the vertical direction, a heating cavity is formed in the joint of the top end of the ejection connecting rod and the bottom end of the lower die, heating liquid is arranged in the heating cavity, and a heating source is arranged in the heating through hole to heat the heating liquid in the heating cavity so as to heat the lower die;
the limiting seat is nested outside the movable die, the outer contour of the limiting seat is in a ladder shape, and the limiting seat is placed on the upper surface of the outer die seat and is fixedly connected through bolts; an external thread is arranged on the outer contour of the limit seat above the limit seat; the lower part of the limit seat extends into the stepped cavity; a lower air charging cavity is formed between the step ring structure and the lower step surface of the joint of the step cavity, an upper air charging cavity is formed between the upper part of the step ring structure and the lower surface of the outer die holder, and the lower air charging cavity and the upper air charging cavity are respectively arranged corresponding to the air inlet pipeline;
the limiting plate is horizontally placed on the upper surface of the limiting seat, and the lower surface of the limiting plate is connected with the upper surface of the movable die through bolts;
the cross section of stop nut is L type structure, stop nut's inner wall is provided with the internal thread, and stop nut connects on the external screw thread of spacing seat, leaves the regulation clearance between the horizontal plane of stop nut top inboard and the upper surface of limiting plate.
2. The high fill rate resilient demolded die casting mold of claim 1 wherein: and a guiding dovetail groove is formed in the upper surface of the lower die.
3. The high fill rate resilient demolded die casting mold of claim 1 wherein: annular sealing strips are arranged between the outer contour of the stepped ring structure and the inner wall of the outer die seat, between the outer contour of the movable die and the inner wall of the outer die seat and between the outer contour of the movable die and the inner wall of the limit seat.
4. The high fill rate resilient demolded die casting mold of claim 1 wherein: and a sealing ring is arranged between the outer contour of the limit seat and the inner wall of the outer mold seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223526678.2U CN219151533U (en) | 2022-12-29 | 2022-12-29 | High-filling-rate die-casting die capable of rebounding and demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223526678.2U CN219151533U (en) | 2022-12-29 | 2022-12-29 | High-filling-rate die-casting die capable of rebounding and demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219151533U true CN219151533U (en) | 2023-06-09 |
Family
ID=86639435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223526678.2U Active CN219151533U (en) | 2022-12-29 | 2022-12-29 | High-filling-rate die-casting die capable of rebounding and demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219151533U (en) |
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2022
- 2022-12-29 CN CN202223526678.2U patent/CN219151533U/en active Active
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