CN210701749U

CN210701749U - Aluminum alloy hot extrusion die

Info

Publication number: CN210701749U
Application number: CN201921636813.4U
Authority: CN
Inventors: 肖填辉
Original assignee: Foshan Nanhai Zoonhe Aluminum Co ltd
Current assignee: Foshan Nanhai Zoonhe Aluminum Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-09
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses an aluminum alloy metal extrusion die, which comprises a die sleeve; the top of the die sleeve is provided with an opening; a groove communicated with the opening is formed in the die sleeve; a module in split type design is arranged in the groove; the module is nested in the groove and is in threaded connection with the groove; the module is provided with a forming groove; a working belt is arranged in the forming groove; the die cover is pressed on the die sleeve; a molten liquid output channel is arranged on one end face, facing the die sleeve, of the die cover; the molten liquid output channel is communicated with the molding groove; a plurality of melt input channels are also arranged in the die cover; this application has provided a structure of aluminum alloy hot extrusion die promptly, and its effectual technical problem who solves the aluminum alloy metal extrusion die field has simple structure, the mould manufacturing material is saved, the facilitate promotion has the advantage of fine practicality.

Description

Aluminum alloy hot extrusion die

Technical Field

The utility model relates to an aluminum alloy metal extrusion die field particularly, relates to an aluminum alloy hot extrusion die.

Background

At present, the section shape of the aluminum alloy section is more and more complex, and the requirement on a corresponding hot extrusion die is higher and higher. Typical or common prior art techniques are:

if CN107913917A discloses an aluminium alloy extrusion mould, relates to the technical field of aluminium alloy grinding apparatus design, including die and terrace die of mutually supporting, be equipped with the seam chamber of taking the extrusion hole on the die, be equipped with the reposition of redundant personnel hole on the terrace die and with the extrusion head of extrusion hole connection, the downthehole dress of extruding is equipped with wear-resisting cover, be equipped with on the terrace die through fastening nut install in the overhead plush copper of extrusion, plush copper inserts the die cavity of constitution section bar in the wear-resisting cover. Another classic is like CN205763021U discloses a JLX-1188 aluminium material type extrusion die, including last mould structure, first reposition of redundant personnel hole, second reposition of redundant personnel hole, seam room and lower mould structure, it is equipped with down the mould structure and sets up the inside mold core at lower mould structure to go up mould structure bottom, it is provided with first reposition of redundant personnel hole and second reposition of redundant personnel hole to go up mould structure top, first reposition of redundant personnel hole and second reposition of redundant personnel hole are provided with corresponding reposition of redundant personnel hole about the central line symmetry of last mould structure equally.

In conclusion, through the mass search of the applicant, the prior art finds that a belt groove and a working belt for hot extrusion are required to be dug on a purchased die blank during the production of the aluminum alloy hot extrusion die; however, when the belt groove and the working belt are excavated, excavation errors are easy to occur, the whole hot extrusion die is unqualified, and extruded products are unqualified, so that the aluminum alloy hot extrusion die can be adopted; however, the cost of the mold blank for manufacturing the mold is relatively high, so that the production cost is increased; meanwhile, the hot extrusion die is required to extrude and mold high-temperature aluminum alloy, and after the hot extrusion die is molded by the working belt and contacts the high-temperature aluminum alloy, the hot extrusion die is simultaneously subjected to extrusion force, so that the belt groove and the working belt are easy to deform, the die cannot be reused, and the die needs to be replaced; and each replacement needs to remove the whole mould, so that more mould materials need to be consumed, and the production cost is increased.

Therefore, there is a need to develop or improve an aluminum alloy hot extrusion die to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aluminum alloy hot extrusion die is in order to solve the problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the aluminum alloy hot extrusion die is characterized by comprising a die sleeve; the top of the die sleeve is provided with an opening; a groove communicated with the opening is formed in the die sleeve; a module in split type design is arranged in the groove; an internal thread is arranged in the groove; the outer surface of the module, which is in contact with the groove, is provided with an external thread matched with the internal thread; the module is nested in the groove and is in threaded connection with the groove; the module is provided with a forming groove; a working belt for hot extrusion is arranged in the forming groove; the die cover is pressed on the die sleeve; a molten liquid output channel is arranged on one end face, facing the die sleeve, of the die cover; the molten liquid output channel is communicated with the molding groove; a plurality of melt input channels are also arranged in the die cover; one end of the input channel is communicated with the molten liquid output channel, and the other end of the input channel is communicated with external molten aluminum alloy production equipment.

Preferably, the top of the die cover is provided with a plurality of clearance grooves with openings at the tops; the molten liquid input channel penetrates through the inner wall of the clearance groove.

Preferably, the outer contour of the die cover is in a cylindrical structure; the melt output channel is positioned on the central axis of the die cover, and the central axis of the melt output channel is coaxial with the central axis of the die cover.

Preferably, the melt input channel comprises a liquid inlet section, a liquid storage section and a pressurizing section; one end of the liquid storage section is communicated with the liquid inlet section, and the other end of the liquid storage section is communicated with the pressurizing section; one end of the liquid inlet section, which is far away from the liquid storage section, is communicated with external aluminum alloy melt production equipment; one end of the pressurizing section, which is far away from the liquid storage section, is communicated with the molten liquid output channel; the liquid storage section is positioned in the clearance groove.

Preferably, the internal diameter of said liquid accumulation section is greater than the internal diameter of said liquid intake section and said pressurizing section.

Preferably, the working tape is disposed at the bottom of the forming groove.

Preferably, the outer contour of the die sleeve is cylindrical; and a clamping table for installation is arranged on the outer surface of the die sleeve.

Preferably, the module is made of stainless steel.

Preferably, the outer contour of the module is a cylinder or a truncated cone or a special-shaped cylinder.

The utility model discloses the beneficial effect who gains is:

1. the hot extrusion die is divided into the die sleeve and the die block, and the die groove is arranged on the die sleeve, so that the die block can be embedded into the die groove; therefore, when the working belt of the die is carved, the working belt can be carved on the die block and then is installed on the die sleeve; therefore, although the engraving is unqualified or the use is damaged, the part of the module is required to be replaced, the whole extrusion die is not required to be replaced, and more than half of the original die manufacturing material is saved relatively.

2. The utility model discloses simple structure, loss are little, solve mould manufacturing cost, facilitate promotion.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a top view of an aluminum alloy hot extrusion die according to embodiments 1-2 of the present invention;

FIG. 2 is a schematic structural diagram of a module of an aluminum alloy hot extrusion die according to embodiments 1-2 of the present invention;

FIG. 3 is a schematic view of a die sleeve structure of an aluminum alloy hot extrusion die according to embodiments 1-2 of the present invention;

FIG. 4 is a second schematic diagram of a die sleeve structure of an aluminum alloy hot extrusion die according to embodiments 1-2 of the present invention;

FIG. 5 is a schematic structural view of an aluminum alloy hot extrusion die according to embodiments 1 to 2 of the present invention;

description of reference numerals: 1-die sleeve; 2-a groove; 3-a module; 4-forming a groove; 5-a working band; 6-mold cover; 7-melt input channel; 8-avoiding the empty slot; 9-clamping table.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.

The first embodiment is as follows:

an aluminum alloy hot extrusion die as shown in fig. 1-5 comprises a die sleeve 1; the top of the die sleeve 1 is provided with an opening; a groove 2 communicated with the opening is arranged in the die sleeve 1; a module 3 in a split type design is arranged in the groove 2; an internal thread is arranged in the groove 2; the outer surface of the module 3, which is in contact with the groove 2, is provided with an external thread matched with the internal thread; the module 3 is nested in the groove 2 and is in threaded connection with the groove 2; a forming groove 4 is formed in the module 3; a working belt 5 for hot extrusion is arranged in the forming groove 4; the working belt 5 is arranged at the bottom of the forming groove 4; the die cover 6 is pressed on the die sleeve 1; a melt output channel is arranged on one end face, facing the die sleeve 1, of the die cover 6; the melt output channel is communicated with the molding groove 4; a plurality of melt input channels 7 are also arranged in the die cover 6; one end of the melt input channel 7 is communicated with the melt output channel, and the other end of the melt input channel is communicated with external aluminum alloy melt production equipment; wherein the module 3 is made of stainless steel; the outer contour of the module 3 is a cylinder, a truncated cone or a special-shaped cylinder.

In order to reduce the material consumption of the mold and facilitate the maintenance, a plurality of clearance grooves 8 with openings at the tops are formed at the tops of the mold covers 6 in the embodiment 1; the melt input channel 7 penetrates through the inner wall of the clearance groove 8; the outer contour of the die cover 6 is of a cylindrical structure; the melt output channel is located on the central axis of the die cover 6, and the central axis of the melt output channel is coaxial with the central axis of the die cover 6.

In order to improve the hot extrusion efficiency, ensure the input efficiency of the molten aluminum alloy and ensure the forming effect, the molten liquid input channel 7 in this embodiment 1 includes a liquid inlet section, a liquid storage section and a pressurizing section; one end of the liquid storage section is communicated with the liquid inlet section, and the other end of the liquid storage section is communicated with the pressurizing section; one end of the liquid inlet section, which is far away from the liquid storage section, is communicated with external aluminum alloy melt production equipment; one end of the pressurizing section, which is far away from the liquid storage section, is communicated with the molten liquid output channel; the liquid storage section is positioned in the clearance groove 8; the inner diameter of the liquid storage section is larger than that of the liquid inlet section and the pressurizing section.

In addition, for the convenience of installation, the outer contour of the die case 1 in this embodiment 1 is cylindrical; and a clamping table 9 for installation is arranged on the outer surface of the die sleeve 1.

Example two:

In order to reduce the material consumption of the mold and facilitate the maintenance, a plurality of clearance grooves 8 with openings at the tops are formed at the tops of the mold covers 6 in the embodiment 2; the melt input channel 7 penetrates through the inner wall of the clearance groove 8; the outer contour of the die cover 6 is of a cylindrical structure; the melt output channel is located on the central axis of the die cover 6, and the central axis of the melt output channel is coaxial with the central axis of the die cover 6.

In order to improve the hot extrusion efficiency, ensure the input efficiency of the molten aluminum alloy and ensure the forming effect, the molten liquid input channel 7 in this embodiment 2 includes a liquid inlet section, a liquid storage section and a pressurizing section; one end of the liquid storage section is communicated with the liquid inlet section, and the other end of the liquid storage section is communicated with the pressurizing section; one end of the liquid inlet section, which is far away from the liquid storage section, is communicated with external aluminum alloy melt production equipment; one end of the pressurizing section, which is far away from the liquid storage section, is communicated with the molten liquid output channel; the liquid storage section is positioned in the clearance groove 8; the inner diameter of the liquid storage section is larger than that of the liquid inlet section and the pressurizing section.

In addition, for the convenience of installation, the outer contour of the die case 1 in this embodiment 2 is cylindrical; and a clamping table 9 for installation is arranged on the outer surface of the die sleeve 1.

With the above structure, in the embodiment 2, the hot extrusion die is arranged into two parts, one part is the die sleeve 1, and the other part is the module 3 for engraving the working tape, so that the die sleeve 1 is not affected even though the module 3 is damaged during engraving the working tape; therefore, the whole die does not need to be replaced even if the die is damaged in the production process, and the die can be reused only by replacing the module 3 in the die sleeve 1; the cost for replacing the die sleeve 1 is saved; meanwhile, the material adopted by the die sleeve 1 is expensive, and the stainless steel adopted by the embodiment 2 as the die block 3 is cheaper.

In the specific production, the module 3 of this embodiment 2 is made of stainless steel as a manufacturing material to form a stainless steel module 3; this embodiment 2 chooses the stainless steel to make module 3 for use because the price of stainless steel is cheaper, and the module 3 that carves is installed in the die cavity, and after heating to 3000 ℃, the module 3 that the stainless steel was made can expand, then rises and tightly realizes fixing in shaping groove 4.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. The aluminum alloy hot extrusion die is characterized by comprising a die sleeve; the top of the die sleeve is provided with an opening; a groove communicated with the opening is formed in the die sleeve; a module in split type design is arranged in the groove; an internal thread is arranged in the groove; the outer surface of the module, which is in contact with the groove, is provided with an external thread matched with the internal thread; the module is nested in the groove and is in threaded connection with the groove; the module is provided with a forming groove; a working belt for hot extrusion is arranged in the forming groove; the die cover is pressed on the die sleeve; a molten liquid output channel is arranged on one end face, facing the die sleeve, of the die cover; the molten liquid output channel is communicated with the molding groove; a plurality of melt input channels are also arranged in the die cover; one end of the input channel is communicated with the molten liquid output channel, and the other end of the input channel is communicated with external molten aluminum alloy production equipment.

2. The aluminum alloy hot extrusion die as recited in claim 1, wherein the top of the die cover is provided with a plurality of clearance grooves with openings at the tops; the molten liquid input channel penetrates through the inner wall of the clearance groove.

3. The aluminum alloy hot extrusion die of claim 2, wherein the outer profile of the die cover is a cylindrical structure; the melt output channel is positioned on the central axis of the die cover, and the central axis of the melt output channel is coaxial with the central axis of the die cover.

4. The aluminum alloy hot extrusion die of claim 2, wherein the melt input channel comprises a liquid inlet section, a liquid storage section and a pressurizing section; one end of the liquid storage section is communicated with the liquid inlet section, and the other end of the liquid storage section is communicated with the pressurizing section; one end of the liquid inlet section, which is far away from the liquid storage section, is communicated with external aluminum alloy melt production equipment; one end of the pressurizing section, which is far away from the liquid storage section, is communicated with the molten liquid output channel; the liquid storage section is positioned in the clearance groove.

5. An aluminum alloy hot extrusion die as set forth in claim 4, wherein the liquid storage section has an inner diameter larger than inner diameters of the liquid inlet section and the pressurizing section.

6. An aluminum alloy hot extrusion die as set forth in claim 1, wherein said working band is provided at the bottom of said forming groove.

7. The aluminum alloy hot-extrusion die as recited in claim 1, wherein the outer profile of the die sleeve is cylindrical; and a clamping table for installation is arranged on the outer surface of the die sleeve.

8. The aluminum alloy hot extrusion die of claim 1, wherein the die block is made of stainless steel.

9. The aluminum alloy hot extrusion die of claim 1, wherein the outer profile of the die block is a cylinder, a truncated cone or a profiled cylinder.