CN210188453U - Oval hydro-cylinder device of die casting die - Google Patents
Oval hydro-cylinder device of die casting die Download PDFInfo
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- CN210188453U CN210188453U CN201921121958.0U CN201921121958U CN210188453U CN 210188453 U CN210188453 U CN 210188453U CN 201921121958 U CN201921121958 U CN 201921121958U CN 210188453 U CN210188453 U CN 210188453U
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Abstract
The utility model relates to an oval hydro-cylinder device of die casting die, which belongs to the die casting die design field and comprises a hydro-cylinder shell, a hydro-cylinder pressing plate, a big oval hydro-cylinder piston assembly and a plurality of small oval hydro-cylinder piston assemblies; the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies are arranged inside the oil cylinder shell, the oil cylinder pressing plate is arranged below the oil cylinder shell, and piston rods of the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies respectively penetrate through the oil cylinder pressing plate to be connected with the extrusion rods; the small elliptic oil cylinder piston assemblies are arranged on the outer sides of the large elliptic oil cylinder piston assemblies. The utility model carries out local extrusion feeding aiming at the position with larger wall thickness and functional requirement of the product, and enhances the density of the product, thereby improving the product quality; and can be according to the structural feature of product itself, on the basis of not changing other structural configuration of mould as far as possible, make full use of mould space rationally, for the extrusion feeding provide sufficient power, improve the product percent of pass.
Description
Technical Field
The utility model relates to an oval hydro-cylinder device of die casting die specifically is to use oval hydraulic cylinder to replace traditional circular hydraulic cylinder, belongs to die casting die design field.
Background
Generally, the die-casting parts are designed to have relatively simple structures and uniform wall thickness so as to ensure that stress cracks and internal shrinkage porosity are minimized during die-casting. With the development trend of light weight and high concentration of automobile industrial design, more and more products have the characteristics of complex structure, large wall thickness difference and high performance requirement.
In order to meet increasingly complex product structures and increasingly higher internal quality requirements, injection molding tools are also being improved over time. In order to avoid the quality defects of shrinkage cavity, shrinkage porosity and the like caused by the large wall thickness of a product, a circular oil cylinder is generally used for providing power for the movement of a sliding block, a loose core and an extrusion rod, and then the extrusion rod is used for extruding and feeding key parts with large wall thickness of the product. However, due to the limitation of the design layout of the die, the circular oil cylinder which is arranged at a part of the position and can provide enough power for the movement of the extrusion rod is easy to interfere with other structures of the die.
Disclosure of Invention
According to the defect that prior art exists, the utility model aims at providing a but make full use of mould space's novel hydro-cylinder structure prevents that hydro-cylinder and other structures of mould from taking place to interfere.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a die-casting die elliptical oil cylinder device comprises an oil cylinder shell, an oil cylinder pressing plate, a large elliptical oil cylinder piston assembly and a plurality of small elliptical oil cylinder piston assemblies; the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies are arranged inside the oil cylinder shell, the oil cylinder pressing plate is arranged below the oil cylinder shell, and piston rods of the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies respectively penetrate through the oil cylinder pressing plate to be connected with the extrusion rods; the small elliptic oil cylinder piston assemblies surround the outer side of the large elliptic oil cylinder piston assembly.
Furthermore, the die-casting die is provided with a large end part and a small end part, the large oval oil cylinder piston assembly is arranged on one side of the small end part and extends out of the large end part, and the small oval oil cylinder piston assemblies are arranged on the large end part and are distributed along the outline of the large end part.
Furthermore, a cooling water pipe is arranged on the die-casting die and comprises a plurality of core cooling water pipes and a plurality of cavity cooling water pipes, and the core cooling water pipes and the cavity cooling water pipes are distributed on the outer side edge of the die-casting die.
Furthermore, the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies are arranged on the inner side of the cooling water pipe.
Furthermore, the oil cylinder shell is installed on a static die sleeve plate through bolt connection, an oil pipe is installed on the static die sleeve plate, and the oil pipe is respectively connected into the large oval oil cylinder piston assembly and the small oval oil cylinder piston assemblies.
Furthermore, a plurality of piston rods are arranged in parallel along the long axis direction of the ellipse of the large oval oil cylinder piston assembly, and each piston rod is connected with one extrusion rod A through a coupler. The outer side of the extrusion rod A is wrapped with an extrusion rod sleeve.
Further, the piston rod of the small oval oil cylinder piston assembly is connected with two extrusion rod B through an extrusion rod pressing plate and an extrusion rod mounting plate, an extrusion rod sleeve wraps the outer side of the extrusion rod B, a guide sleeve is arranged on the extrusion rod mounting plate, an extrusion rod fixing plate is arranged below the extrusion rod mounting plate, a guide pillar is arranged on the extrusion rod fixing plate, and the extrusion rod fixing plate is installed on a static die sleeve plate through bolt connection.
Furthermore, the extruding rod and the product with larger wall thickness are coaxial, and the diameters of the extruding rod and the product are the same, so that extruding feeding is performed. The extrusion rod A and the extrusion rod B respectively extrude extrusion holes at different wall thicknesses of the product.
Further, the diameter of the extrusion rod is the same as the wall thickness of the product to be extruded.
Furthermore, one or more of the small oval oil cylinder piston assemblies are replaced by small round oil cylinder piston assemblies, each small round oil cylinder piston assembly is provided with a piston rod, and the piston rods are connected with an extrusion rod A through a coupling.
Based on above-mentioned technical scheme, under the hydro-cylinder receives mould size and position influence, little oval hydro-cylinder piston assembly can not be installed to some position spaces less, can change for little circular hydro-cylinder piston assembly.
The utility model discloses still include such structural feature:
1) the elliptical oil cylinder device of the die-casting die can be more favorable for the arrangement of the core cooling water pipe and the cavity cooling water pipe in the die-casting die on the basis of not changing other structures of the die, the space utilization rate of the die is increased, and meanwhile, the interference of the oil cylinder device and other structures of the die is avoided.
2) An elliptical oil cylinder piston rod in the die-casting die elliptical oil cylinder device is connected with an extrusion rod through a coupler, and the extrusion rod carries out extrusion feeding on the position with larger wall thickness and functional requirements of a product.
3) The extrusion rod connected with the elliptical oil cylinder piston rod in the die-casting die elliptical oil cylinder device is coaxial with the position with larger wall thickness and functional requirements of the product, and the diameter of the extrusion rod and the position are the same, so that accurate extrusion is realized.
4) Oil cylinder locking force F of elliptical oil cylinder device of die casting dieLock with a locking mechanismShould satisfy
The utility model has the advantages that:
1) the utility model carries out local extrusion feeding according to the generation mechanism of shrinkage cavity and shrinkage porosity and aiming at the position with larger wall thickness and functional requirement of the product, thus enhancing the density of the product and further improving the quality of the product;
2) according to the structural characteristics of the product, on the basis of not changing other structural layouts of the die as much as possible, the die space is fully and reasonably utilized, enough power is provided for extrusion feeding, and the product percent of pass is improved.
Drawings
FIG. 1 is a front view of an assembly of an elliptical cylinder device and a stationary die of a die casting die;
FIG. 2 is a top view of the assembly of the elliptical cylinder device and the stationary die of the die casting die;
FIG. 3 is a top view of the elliptical cylinder device of the die casting mold of the present invention;
FIG. 4 is a front view of the elliptical cylinder device of the die casting mold of the present invention;
FIG. 5 is an exploded view of the elliptical cylinder device of the die casting mold of the present invention;
FIG. 6 is a schematic view of the piston assembly of the large oval oil cylinder of the present invention;
FIG. 7 is a schematic view of the small oval cylinder piston assembly of the present invention;
in the figure: 1. a static die sleeve plate, 2, a static die insert, 3, an oil pipe, 4, a core cooling water pipe, 5, a cavity cooling water pipe, 6, an oil cylinder shell, 7, an oil cylinder press plate, 8, an extrusion rod press plate, 9, an extrusion rod fixing plate, 10, a coupler, 11, an extrusion rod A, 12, an extrusion rod sleeve, 13, a large elliptical oil cylinder piston assembly, 13.1, a wear-resistant ring for a Latite piston, 13.2, a T-shaped Tecongole ring, 13.3, an O-shaped sealing ring, 13.4, a K-shaped Tecongole seal, 13.5, a wear-resistant ring for a Latite rod, 13.6, a 2-shaped Tecongole-dust-proof ring, 13.7, a large elliptical oil cylinder piston rod, 14, a small elliptical oil cylinder piston assembly, 14.1, a wear-resistant ring for a Latite piston, 14.2, a T-shaped Tecongole ring, 14.3, an O-shaped sealing ring, 14.4, a K-shaped Tecongole seal, 14.5, a wear-resistant, 14.6, 2 type Teconerlot-dustproof ring, 14.7, a small oval oil cylinder piston rod, 15, a small circular oil cylinder piston assembly, 16, an extrusion rod mounting plate, 17, extrusion rods B and 18, a guide pillar, 19 and a guide sleeve.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached drawings 1-7, the elliptical oil cylinder device of the die-casting die of the utility model is mainly suitable for a long-strip-shaped die with a large end and a small end, and comprises an oil cylinder shell 6, an oil cylinder pressing plate 7, a large elliptical oil cylinder piston assembly 13, two small elliptical oil cylinder piston assemblies 14 and a small circular oil cylinder piston assembly 15; the large oval oil cylinder piston assembly 13, the small oval oil cylinder piston assembly 14 and the small circular oil cylinder piston assembly 15 are arranged inside the oil cylinder shell 6, all the piston assemblies are started synchronously, the oil cylinder press plate 7 is arranged below the oil cylinder shell 6, and piston rods of the large oval oil cylinder piston assembly 13, the small oval oil cylinder piston assembly 14 and the small circular oil cylinder piston assembly 15 respectively penetrate through the oil cylinder press plate 7 to be connected with extrusion rods; the two small oval oil cylinder piston assemblies and a small round oil cylinder piston assembly 15 surround the outer side of the large oval oil cylinder piston assembly 13.
Further, the die-casting die has a large end portion and a small end portion, the large oval cylinder piston assembly 13 is arranged on one side of the small end portion and extends out of the large end portion, and the two small oval cylinder piston assemblies 14 and the small circular cylinder piston assembly 15 are arranged on the large end portion and distributed along the outline of the large end portion. The small circular oil cylinder piston assembly 15 and the large elliptical oil cylinder piston assembly 13 are coaxially arranged.
Furthermore, a cooling water pipe is arranged on the die-casting die and comprises a plurality of core cooling water pipes 4 and a plurality of cavity cooling water pipes 5, and the core cooling water pipes 4 and the cavity cooling water pipes 5 are distributed on the outer side edge of the die-casting die.
Further, the large oval oil cylinder piston assembly 13, the two small oval oil cylinder piston assemblies 14 and the small circular oil cylinder piston assembly 15 are arranged on the inner side of the cooling water pipe.
Further, the oil cylinder shell 6 is installed on the static die sleeve plate 1 through bolt connection, the oil pipe 3 is installed on the static die sleeve plate 1, and the oil pipe 3 is respectively connected to the large oval oil cylinder piston assembly 13, the two small oval oil cylinder piston assemblies 14 and the small circular oil cylinder piston assembly 15.
Further, a plurality of piston rods 13.7 are arranged in parallel along the long axis direction of the ellipse on the large oval oil cylinder piston assembly 13, and each piston rod is connected with a squeezing rod A (11) through a coupler 10.
Furthermore, a piston rod (14.7) of the small elliptic oil cylinder piston assembly 14 is connected with two extrusion rods B (17) through an extrusion rod pressing plate 8 and an extrusion rod mounting plate 16, a guide sleeve 19 is arranged on the extrusion rod mounting plate 16, an extrusion rod fixing plate 9 is arranged below the extrusion rod mounting plate 16, a guide post 18 is arranged on the extrusion rod fixing plate 9, and the extrusion rod fixing plate 9 is installed on the static die sleeve plate 1 through bolt connection.
Further, the small circular cylinder piston assembly 15 is provided with a piston rod, and the piston rod is connected with an extrusion rod A through a coupling.
Furthermore, the extruding rod and the product with larger wall thickness are coaxial, and the diameters of the extruding rod and the product are the same, so that extruding feeding is performed. The extrusion rod A and the extrusion rod B are suitable for different thicknesses with different sizes, the diameter of the extrusion rod is the same as the wall thickness of a product, and the extrusion rod is assembled in the extrusion rod sleeve 12.
The utility model discloses an oval hydro-cylinder device of die casting die has replaced the circular hydro-cylinder in traditional die casting die, can be on the basis that does not change other structures of mould, more be favorable to arranging of die casting die medium-size core condenser tube 4 and die cavity condenser tube 5, increased mould space utilization, provide enough power for the motion of ejector pin and avoided hydro-cylinder device and other structures of mould to take place to interfere simultaneously, make the whole space of mould occupy littleer. And the utility model discloses a great and functional position that requires of product wall thickness of hydro-cylinder realizes the extrusion, effectively solves the problem of product shrinkage cavity and shrinkage porosity.
The utility model discloses the oval hydro-cylinder device of die casting die considers the limitation of mould design overall arrangement, avoids taking place to interfere with core condenser tube 4 and die cavity condenser tube 5 in the time of make full use of mould space.
For a large oval oil cylinder:
the utility model discloses die casting die big oval hydro-cylinder piston assembly includes that the law Teji piston is with wear ring GP73 (13.1), T type special kang gelie circle PT0401700-T64-NA (13.2), O type sealing washer OR4018500 (13.3), K type special kang si te seal RS1300300-T64-NA (13.4), law Teji pole is with wear ring GR65 (13.5), 2 type special kang erlot-dust ring WE32-00300-T46-NA (13.6), big oval hydro-cylinder piston rod (13.7).
The utility model discloses oil cylinder shell 6 among the oval hydro-cylinder device of die casting die installs on static die sleeve board 1 through bolted connection, and big oval hydro-cylinder piston rod (13.7) link to each other with stripper bar A (11) through shaft coupling 10. Hydraulic oil enters the large oval oil cylinder 13 through the oil pipe 3, the oil pressure acts on a piston rod (13.7) of the large oval oil cylinder, the piston drives the extrusion rod A (11) to complete the extrusion action of the extrusion hole on the product, the problems of shrinkage cavity and shrinkage porosity of the product are effectively solved, and the product quality is improved.
The utility model discloses big oval hydro-cylinder device of die casting die is according to formulaIs calculated to
Satisfy the design requirement, the utility model discloses the big oval hydro-cylinder device of die casting die can provide sufficient power for the motion of squeeze bar.
For a small oval cylinder:
the utility model discloses little oval hydro-cylinder piston assembly of die casting die includes that law Teji piston uses wear ring GP69 (14.1), T type Tekang gelie ring PT0400800-T64-NA (14.2), O type sealing washer OR3008600 (14.3), K type Tekang si te seal RS1300300-T64-NA (14.4), law Teji pole uses wear ring GR65 (14.5), 2 type Tekang erlot-dust ring WE32-00300-T46-NA (14.6), little oval hydro-cylinder piston rod (14.7). A small elliptic oil cylinder piston rod (14.7) is connected with two extrusion rods B (17) through an extrusion rod pressing plate 8 and an extrusion rod mounting plate 16, and a guide sleeve 19 is mounted on the extrusion rod mounting plate 16. The guide post 18 is arranged on the extrusion rod fixing plate 9, and the extrusion rod fixing plate 9 is arranged on the static die sleeve plate 1 through bolt connection. Hydraulic oil enters the small oval oil cylinder 14 through the oil pipe 3, the piston acts on the piston under the action of oil pressure, and the piston drives the two extrusion rods B (17) to complete extrusion action on extrusion holes in a product, so that the problems of hole shrinkage and loosening of the product are effectively solved, and the product quality is improved. The guide post 18 and the guide sleeve 19 play a role of guiding.
The utility model discloses little oval hydro-cylinder device of die casting die is according to formulaIs calculated to
Satisfy the design requirement, the utility model discloses the little oval hydro-cylinder device of die casting die can provide sufficient power for the motion of squeeze bar.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides an oval hydro-cylinder device of die casting die which characterized in that: the device comprises an oil cylinder shell, an oil cylinder pressing plate, a large oval oil cylinder piston assembly and a plurality of small oval oil cylinder piston assemblies; the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies are arranged inside the oil cylinder shell, the oil cylinder pressing plate is arranged below the oil cylinder shell, and piston rods of the large oval oil cylinder piston assembly and the plurality of small oval oil cylinder piston assemblies respectively penetrate through the oil cylinder pressing plate to be connected with the extrusion rods; the small elliptic oil cylinder piston assemblies are arranged on the outer sides of the large elliptic oil cylinder piston assemblies.
2. The die-casting die elliptical oil cylinder device as claimed in claim 1, characterized in that: the die-casting die is provided with a large end part and a small end part, the large oval oil cylinder piston assembly is arranged on one side of the small end part and extends out of the large end part, and the small oval oil cylinder piston assemblies are arranged on the large end part and are distributed along the outline of the large end part.
3. The die casting die elliptical oil cylinder device as claimed in claim 1 or 2, characterized in that: the die-casting die is provided with cooling water pipes, each cooling water pipe comprises a plurality of core cooling water pipes and a plurality of cavity cooling water pipes, and the core cooling water pipes and the cavity cooling water pipes are distributed on the outer side edge of the die-casting die.
4. The die-casting die elliptical oil cylinder device as claimed in claim 3, characterized in that: the large oval oil cylinder piston assembly and the small oval oil cylinder piston assemblies are arranged on the inner side of the cooling water pipe.
5. The die-casting die elliptical oil cylinder device as claimed in claim 1, characterized in that: the oil cylinder shell is installed on the static die sleeve plate through bolt connection, the oil pipe is installed on the static die sleeve plate, and the oil pipe is connected to the inside of the large oval oil cylinder piston assembly and the inside of the small oval oil cylinder piston assemblies respectively.
6. The die-casting die elliptical oil cylinder device as claimed in claim 1, characterized in that: the large oval oil cylinder piston assembly is provided with a plurality of piston rods side by side along the long axis direction of an oval, and each piston rod is connected with one extrusion rod A through a coupler.
7. The die-casting die elliptical oil cylinder device as claimed in claim 1, characterized in that: a piston rod of the small oval oil cylinder piston assembly is connected with two extrusion rods B through an extrusion rod pressing plate and an extrusion rod mounting plate, a guide sleeve is arranged on the extrusion rod mounting plate, an extrusion rod fixing plate is arranged below the extrusion rod mounting plate, a guide pillar is arranged on the extrusion rod fixing plate, and the extrusion rod fixing plate is installed on a static die sleeve plate through bolt connection.
8. The die-casting die elliptical oil cylinder device as claimed in claim 1, characterized in that: the extrusion rod and the position of the product to be extruded with larger wall thickness are coaxial.
9. The die-casting die elliptical oil cylinder device as claimed in claim 8, characterized in that: the diameter of the extrusion rod is the same as the wall thickness of a product to be extruded.
10. The die-casting die elliptical oil cylinder device as claimed in claim 1, characterized in that: one or more of the small oval oil cylinder piston assemblies are replaced by small round oil cylinder piston assemblies, each small round oil cylinder piston assembly is provided with a piston rod, and each piston rod is connected with an extrusion rod A through a coupling.
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CN201921121958.0U CN210188453U (en) | 2019-07-17 | 2019-07-17 | Oval hydro-cylinder device of die casting die |
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CN201921121958.0U CN210188453U (en) | 2019-07-17 | 2019-07-17 | Oval hydro-cylinder device of die casting die |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110238364A (en) * | 2019-07-17 | 2019-09-17 | 大连亚明汽车部件股份有限公司 | Die casting ellipse cylinder apparatus |
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2019
- 2019-07-17 CN CN201921121958.0U patent/CN210188453U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110238364A (en) * | 2019-07-17 | 2019-09-17 | 大连亚明汽车部件股份有限公司 | Die casting ellipse cylinder apparatus |
CN110238364B (en) * | 2019-07-17 | 2024-02-06 | 大连亚明汽车部件股份有限公司 | Elliptical cylinder device of die casting die |
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