CN217912781U - Local extrusion structure for gate - Google Patents
Local extrusion structure for gate Download PDFInfo
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- CN217912781U CN217912781U CN202220407557.7U CN202220407557U CN217912781U CN 217912781 U CN217912781 U CN 217912781U CN 202220407557 U CN202220407557 U CN 202220407557U CN 217912781 U CN217912781 U CN 217912781U
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Abstract
The utility model relates to a local extrusion structure for gate department, including last mold core, sprue bush mounting groove and interior concave part, last mold core front side middle part be provided with sprue bush mounting groove, the up end of last mold core on be provided with local die cavity, local die cavity be close to sprue bush mounting groove tip car and be provided with interior concave part, interior concave part front end be provided with the shallow slot that extends to sprue bush mounting groove, interior concave part middle part bottom surface in be provided with the extrusion round pin that reciprocates. The utility model has the characteristics of simple structure, simple to operate, avoid appearing the gas shrinkage cavity, improve product quality etc.
Description
Technical Field
The utility model relates to a die casting die technical field especially relates to a local extrusion structure for gate department.
Background
The contact time of die casting die's runner position and high temperature aluminium liquid is the longest, and this portion often can lead to the fact the heat to pile up because the heat dissipation is untimely, and the heat piles up and can lead to the fact this portion of product the phenomenon of shrinkage cavity to appear for product quality itself reduces, in order to solve above-mentioned problem, needs design a pertinence extrusion structure.
Disclosure of Invention
The utility model aims to solve the technical problem that a local extrusion structure for gate department is provided, have simple structure, simple to operate, avoid appearing the gas shrinkage cavity, improve characteristics such as product quality.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a local extrusion structure for gate department, includes last mold core, sprue bush mounting groove and interior concave part, last mold core front side middle part be provided with sprue bush mounting groove, the up end of last mold core on be provided with local die cavity, local die cavity be close to sprue bush mounting groove tip car and be provided with interior concave part, interior concave part front end be provided with the shallow slot that extends to sprue bush mounting groove, interior concave part middle part bottom surface in be provided with the extrusion round pin that reciprocates.
In this technical scheme, through setting up interior concave part for the die cavity is close to runner cover department and can appear one section unnecessary body of keeping somewhere, simultaneously through setting up the shallow slot, makes should keep somewhere the body and can flow into the end butt joint with the runner, makes things convenient for aluminium liquid to fill in interior concave part, simultaneously through setting up the extrusion pin that reciprocates, conveniently will keep somewhere internal unnecessary air and extrude, makes the quality of this portion increase, avoids appearing the gas shrinkage cavity phenomenon.
In the actual operation process, the mould compound die later pours into aluminium liquid into, and aluminium liquid fills the die cavity after full, can fill the internal concave part, later cools off, and when the product was in the nearly complete solidification state in the die cavity, the extrusion round pin was started, kept somewhere the body in the internal concave part through the extrusion round pin promotion for the runner position department of keeping somewhere body and product forms the extrusion, and the internal unnecessary air of discharge avoids appearing the shrinkage cavity, ensures product quality.
Because the inner concave part is arranged on the device, the formed retention body is not part of the product, so that the retention body can deform when extruded, and the product body cannot deform, thereby ensuring the integrity of the product.
As a supplement to the technical scheme, the rear side wall of the concave part adopts an inclined surface structure with the lower end inclined forwards.
Through setting up the inclined plane structure among this technical scheme, make things convenient for this portion of structure to carry out the drawing of patterns operation.
As a supplement to the technical scheme, an auxiliary insert embedded in the upper mold core is installed at the rear side of the inner concave part.
Through setting up independent supplementary mold insert among this technical scheme, make things convenient for the fashioned quality of this portion structure, simultaneously because this portion temperature is higher, the aluminium liquid that contacts is more, the damaged condition appears easily, independently sets up supplementary mold insert and can guarantee that this portion carries out quick replacement, reduces cost of maintenance.
As a supplement to the technical scheme, an air cylinder part is arranged below the extrusion pin, and a telescopic shaft of the air cylinder part is connected with the lower end of the extrusion pin through a coupling.
Through setting up cylinder spare for the telescopic shaft can promote the extrusion round pin, is provided with the connecting seat that is used for fixing on the cylinder spare.
As a supplement to the technical scheme, the middle part of the extrusion pin is provided with a positioning seat, the positioning seat is provided with a protecting sleeve for wrapping the extrusion pin, the middle part of the extrusion pin is internally provided with a cooling insert, and a water inlet pipe and a water outlet pipe of the cooling insert are arranged below the positioning seat.
The extrusion pin is internally provided with a cooling insert for independently cooling the extrusion part to ensure the quality of the extrusion part.
Has the advantages that: the utility model relates to a local extrusion structure for gate department, through setting up interior recess for the die cavity is close to gate cover department and can appears one section unnecessary body of keeping somewhere, simultaneously through setting up the shallow slot, make this keep somewhere the body can with the butt joint of gate inflow end, make things convenient for aluminium liquid to fill in interior recess, simultaneously through setting up the extrusion round pin that reciprocates, the convenient internal unnecessary air that will keep somewhere is extruded, make the quality of this portion increase, avoid appearing the gas shrinkage cavity phenomenon, this structure has simple structure, high durability and convenient installation, avoid appearing the gas shrinkage cavity, improve characteristics such as product quality.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a structural view of the present invention;
fig. 3 is a structural view of the extrusion pin according to the present invention.
The figure is as follows: 1. the die comprises an upper die core, 2, a sprue bush mounting groove, 3, a shallow groove, 4, an inner concave part, 5, a local die cavity, 6, an auxiliary insert, 7, a cylinder part, 8, a coupler, 9, a positioning seat, 10, a protecting sleeve, 11 and an extrusion pin.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to a local extrusion structure for gate department, as shown in fig. 1-3, including last mold core 1, sprue bush mounting groove 2 and interior concave part 4, 1 front side middle part of last mold core be provided with sprue bush mounting groove 2, the up end of last mold core 1 on be provided with local die cavity 5, local die cavity 5 be close to 2 tip cars in sprue bush mounting groove and be provided with interior concave part 4, 4 front ends of interior concave part be provided with shallow slot 3 that extends to sprue bush mounting groove 2, 4 middle part bottom surfaces of interior concave part in be provided with extrusion round pin 11 that reciprocates.
Among this technical scheme, through setting up interior concave part 4 for the die cavity is close to runner cover department and can appears one section unnecessary body of keeping somewhere, simultaneously through setting up shallow slot 3, makes should keep somewhere the body and can dock with runner inflow end, makes things convenient for aluminium liquid to fill in interior concave part 4, simultaneously through setting up the squeeze pin 11 that reciprocates, conveniently extrudes the unnecessary air of keeping somewhere the internal, makes the quality of this portion increase, avoids appearing the gas shrinkage cavity phenomenon.
As a supplement to the present technical solution, the rear side wall of the concave portion 4 adopts a slope structure with a lower end inclined forward.
Through setting up the inclined plane structure among this technical scheme, make things convenient for this portion of structure to carry out drawing of patterns operation.
As a supplement to this solution, an auxiliary insert 6 is mounted behind the concave portion 4 and inserted into the upper core 1.
Through setting up independent supplementary mold insert 6 among this technical scheme, make things convenient for the fashioned quality of this portion of structure, simultaneously because this portion temperature is higher, the aluminium liquid that contacts is more, the damaged condition appears easily, independently set up supplementary mold insert 6 and can guarantee that this portion carries out quick replacement, reduce cost of maintenance.
As a supplement to the technical solution, a cylinder member 7 is disposed below the extrusion pin 11, and a telescopic shaft of the cylinder member 7 is connected with a lower end of the extrusion pin 11 through a coupling 8.
Through setting up cylinder spare 7 for the telescopic shaft can promote extrusion pin 11, is provided with the connecting seat that is used for fixing on the cylinder spare 7.
As a supplement to the technical solution, a positioning seat 9 is arranged in the middle of the squeeze pin 11, a protecting sleeve 10 for wrapping the squeeze pin 11 is installed on the positioning seat 9, a cooling insert is arranged in the middle of the squeeze pin 11, and a water inlet and outlet pipe of the cooling insert is arranged below the positioning seat 9.
The extrusion pin 11 is provided with a cooling insert therein for independently cooling the extrusion portion to ensure the quality of the portion.
Examples
In the actual operation process, the mould compound die later pours into aluminium liquid into, and aluminium liquid fills the die cavity after full, can fill internal concave part 4, later cools off, and when the product was in the state of solidifying completely soon in the die cavity, start extrusion pin 11, through the body of keeping somewhere in extrusion pin 11 promotion interior concave part 4 for the runner position department of keeping somewhere body and product forms the extrusion, and the internal unnecessary air of discharge avoids appearing the gas shrinkage cavity, ensures product quality.
Because the inner concave part 4 is arranged on the device, the formed retention body is not part of the product, so that the retention body can deform when extruded, and the product body cannot deform, thereby ensuring the integrity of the product.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The local extrusion structure for a gate provided by the present application is described in detail above, and the principle and the implementation of the present application are explained by applying specific examples herein, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (5)
1. A local extrusion structure for a gate, characterized in that: including last mold core (1), sprue bush mounting groove (2) and interior recess (4), last mold core (1) front side middle part be provided with sprue bush mounting groove (2), the up end of last mold core (1) on be provided with local die cavity (5), local die cavity (5) be close to sprue bush mounting groove (2) tip car and be provided with interior recess (4), interior recess (4) front end be provided with shallow slot (3) that extend to sprue bush mounting groove (2), interior recess (4) middle part bottom surface in be provided with extrusion round pin (11) that reciprocate.
2. The local extrusion structure for a gate according to claim 1, wherein: the rear side wall of the concave part (4) adopts an inclined surface structure with the lower end inclined forwards.
3. The local extrusion structure for a gate according to claim 1, wherein: and an auxiliary insert (6) embedded into the upper mold core (1) is arranged at the rear side of the inner concave part (4).
4. The local extrusion structure for a gate according to claim 1, wherein: an air cylinder part (7) is arranged below the extrusion pin (11), and a telescopic shaft of the air cylinder part (7) is connected with the lower end of the extrusion pin (11) through a coupling (8).
5. The local extrusion structure for a gate according to claim 1, wherein: the middle part of the extrusion pin (11) is provided with a positioning seat (9), the positioning seat (9) is provided with a protective sleeve (10) wrapping the extrusion pin (11), the middle part of the extrusion pin (11) is internally provided with a cooling insert, and a water inlet pipe and a water outlet pipe of the cooling insert are arranged below the positioning seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220407557.7U CN217912781U (en) | 2022-02-23 | 2022-02-23 | Local extrusion structure for gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220407557.7U CN217912781U (en) | 2022-02-23 | 2022-02-23 | Local extrusion structure for gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217912781U true CN217912781U (en) | 2022-11-29 |
Family
ID=84147203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220407557.7U Active CN217912781U (en) | 2022-02-23 | 2022-02-23 | Local extrusion structure for gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217912781U (en) |
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- 2022-02-23 CN CN202220407557.7U patent/CN217912781U/en active Active
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