CN210172211U - One-die double-cavity magnesium alloy pipe extrusion device - Google Patents
One-die double-cavity magnesium alloy pipe extrusion device Download PDFInfo
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- CN210172211U CN210172211U CN201920653739.0U CN201920653739U CN210172211U CN 210172211 U CN210172211 U CN 210172211U CN 201920653739 U CN201920653739 U CN 201920653739U CN 210172211 U CN210172211 U CN 210172211U
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Abstract
The utility model discloses a mould two-chamber magnesium alloy tubular product extrusion device, include: one end of the pressurizing cylinder is hermetically connected with the high-pressure hydraulic pump; the device comprises two extrusion barrels, a pressure boosting barrel and a magnesium alloy blank, wherein the two extrusion barrels are arranged in parallel in a support body with an oval cross section, an oval annular steam heating cavity is arranged in the support body around the two extrusion barrels, an oval annular vacuum cavity is also arranged in the support body and is arranged outside the oval annular steam heating cavity, the other end of the pressure boosting barrel is communicated with the two extrusion barrels through a pipeline part, and the magnesium alloy blank is arranged in each extrusion barrel; two extrusion dies are arranged, and each extrusion cylinder is hermetically connected with one extrusion die; the inside symmetry of pipe fittings is provided with first arc pipeline and second arc pipeline, and its entrance point all is linked together with the other end of pressure cylinder, and the exit end is linked together with two recipient respectively. The device has the advantages of simple structure, high production efficiency and high quality of formed products, and solves the problem that magnesium alloy is not easy to form.
Description
Technical Field
The utility model relates to a metal forming technology. More specifically, the utility model relates to a mould two-chamber magnesium alloy tubular product extrusion device.
Background
Compared with other alloy materials, the magnesium alloy has many advantages, such as high specific strength and specific rigidity, good shock absorption capacity, high dimensional stability and good magnetic shielding property. Therefore, magnesium alloys are widely used in airplanes, rocket launchers, automobiles, motorcycles, and the like. The magnesium alloy is usually processed by casting, rolling, extruding, stamping, hot forging, etc. However, the magnesium alloy casting has low performance and a plurality of defects, and can not meet the requirements of the national defense and military fields on magnesium alloy parts. The strength, the ductility and the mechanical property of the deformed magnesium alloy product which is extruded, stamped and forged are obviously improved. At present, the development of magnesium alloys, especially the development of extruded magnesium alloys with large plastic deformation, has been receiving more and more attention from researchers. However, the traditional extrusion die is generally one die and one cavity, and the production efficiency is not high. Even some moulds adopt a mould two-chamber or a mould multicavity, the unreasonable of structural design also has the problem of moulding relatively poorly.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model also aims at providing a mould two-chamber magnesium alloy tubular product extrusion device, the device simple structure, production efficiency is high, and shaping product quality is high, and has solved the magnesium alloy and has been difficult to moulding problem.
In order to achieve these objects and other advantages of the present invention, there is provided a one-die two-chamber magnesium alloy pipe extrusion apparatus, comprising:
one end of the pressurization cylinder is hermetically connected with a high-pressure hydraulic pump, and an extrusion shaft of the high-pressure hydraulic pump is positioned in the pressurization cylinder;
the device comprises two extrusion barrels, two extrusion barrels and a heating device, wherein the two extrusion barrels are arranged in a support body with an oval cross section side by side, an oval annular steam heating cavity is arranged in the support body around the two extrusion barrels, an oval annular vacuum cavity is also arranged in the support body, the oval annular vacuum cavity is arranged outside the oval annular steam heating cavity, the other end of each extrusion barrel is communicated with the two extrusion barrels through a pipeline part, and a magnesium alloy blank is arranged in each extrusion barrel; and
two extrusion dies are arranged, and each extrusion cylinder is hermetically connected with one extrusion die;
the inner part of the pipeline component is provided with a first arc-shaped pipeline and a second arc-shaped pipeline, the first arc-shaped pipeline and the second arc-shaped pipeline are symmetrically arranged, inlet ends of the first arc-shaped pipeline and the second arc-shaped pipeline are communicated with the other end of the pressurizing barrel, outlet ends of the first arc-shaped pipeline and the second arc-shaped pipeline are communicated with the two squeezing barrels respectively, and one side edge of the first arc-shaped pipeline, which is connected with the inlet end of the second arc-shaped pipeline.
Preferably, each extrusion die comprises a die core, an outer die and a base, wherein a pipe die is formed between the outer die and the die core, and the base is arranged at the bottom of the die core and the outer die and used for fixing the die core and the outer die.
Preferably, a first annular hollow steel sleeve is arranged in the pressurizing cylinder, and the first annular hollow steel sleeve is matched with the inner diameter of the pressurizing cylinder.
Preferably, the pipe member comprises a first member and a second member which are symmetrical, and the first member and the second member are fixedly connected.
Preferably, a second annular steel sleeve is arranged inside each of the first and second arc pipes of the pipe member, and the second annular steel sleeve is matched with the inner diameters of the first and second arc pipes.
Preferably, an annular cover is arranged inside one end head of the pressurizing cylinder connected with the pipeline component, and the inner diameter of the annular cover is smaller than that of the first annular steel sleeve.
Preferably, the pressurizing cylinder and the extrusion cylinder are fixedly connected with the pipeline component.
Preferably, the bases of the two extrusion dies are connected into an integral structure.
Preferably, wherein the elliptical ring shaped steam heating chamber is provided with a steam inlet and a steam outlet.
Preferably, a heating jacket is provided on the outer wall of both extrusion dies.
The utility model discloses at least, include following beneficial effect: owing to set up a pressurization section of thick bamboo, its one end and a high-pressure hydraulic pump sealing connection, the extrusion axle of high-pressure hydraulic pump is located inside the pressurization section of thick bamboo, realize the extrusion through superhigh pressure hydrostatic to the magnesium alloy blank, moulding effectual. The extrusion barrels and the extrusion die are both provided with two, the other end of the pressurizing barrel is communicated with the two extrusion barrels through a pipeline component, the magnesium alloy blank is arranged in each extrusion barrel, the high-pressure hydraulic pump works, the extrusion shafts apply pressure to liquid, the magnesium alloy blanks in the two extrusion barrels are extruded and molded simultaneously, and the production capacity is improved due to the fact that the two extrusion barrels are provided with the one die and the two cavities. Because the effect of high-pressure hydraulic pressure, extrude moulding in-process, the recipient also need bear the pressure of high strength, set up two recipients side by side in a cross section is oval-shaped supporter, can enough strengthen the steadiness of recipient, also be convenient for set up heating device. Be provided with an oval annular steam heating chamber around two recipient in the supporter, still be provided with an oval annular vacuum chamber in the supporter to set up oval annular vacuum chamber the outside in oval annular steam heating chamber uses oval annular steam heating chamber can heat the magnesium alloy blank in two recipients simultaneously, makes it maintain certain temperature, and the magnesium alloy of being convenient for is moulding, and the setting of oval annular vacuum chamber also can play heat retaining effect, makes the magnesium alloy blank moulding easily. The pipeline component is internally provided with a first arc-shaped pipeline and a second arc-shaped pipeline, the first pipeline and the second arc-shaped pipeline are symmetrically arranged, inlet ends of the first pipeline and the second arc-shaped pipeline are all communicated with the other end of the pressurizing cylinder, outlet ends of the first pipeline and the second arc-shaped pipeline are respectively communicated with the extruding cylinder, one side edge of the first arc-shaped pipeline, which is connected with the inlet end of the second arc-shaped pipeline, is arc-shaped, and the pipeline component is in a high-pressure state and needs to bear great pressure when liquid is extruded downwards by an extruding shaft of the high-pressure hydraulic pump, and the pressure on the pipeline can be.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a one-die dual-cavity magnesium alloy pipe extrusion device according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a support body;
fig. 3 is a schematic structural diagram of an extrusion die according to another embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1 and 2 show an implementation form of the present invention, including: one end of the pressurization cylinder 1 is hermetically connected with a high-pressure hydraulic pump 2, and an extrusion shaft 3 of the high-pressure hydraulic pump is positioned inside the pressurization cylinder 1; two extrusion containers 4 are arranged, the two extrusion containers are arranged in a support body 5 with an oval cross section side by side, an oval annular steam heating cavity 6 is arranged in the support body 5 around the two extrusion containers, an oval annular vacuum cavity 7 is further arranged in the support body, the oval annular vacuum cavity 7 is arranged outside the oval annular steam heating cavity 6, the other end of the pressurization container 1 is communicated with the two extrusion containers 4 through a pipeline part 8, and a magnesium alloy blank 9 is arranged in each extrusion container 4; two extrusion dies 10 are arranged, and each extrusion cylinder 4 is hermetically connected with one extrusion die 10; the first arc-shaped pipeline 11 and the second arc-shaped pipeline 12 are arranged inside the pipeline component 8, the first arc-shaped pipeline and the second arc-shaped pipeline are symmetrically arranged, inlet ends of the first arc-shaped pipeline and the second arc-shaped pipeline are communicated with the other end of the pressurizing barrel, outlet ends of the first arc-shaped pipeline and the second arc-shaped pipeline are communicated with the two extruding barrels respectively, and one side edge of the first arc-shaped pipeline 11, which is connected with the inlet end of the second arc-shaped pipeline 12, is arc-.
Because the pressurizing cylinder is arranged, one end of the pressurizing cylinder is hermetically connected with a high-pressure hydraulic pump, when the pressurizing cylinder is particularly arranged, a liquid medium exchange disc 19 is arranged between the high-pressure hydraulic pump and the pressurizing cylinder, a liquid medium inlet 20 is arranged on the liquid medium exchange disc, and the joint of the pressurizing cylinder and the liquid medium exchange disc is hermetically arranged. The high-pressure hydraulic pump is provided with an extrusion shaft, and particularly, the model sold on the market can be selected according to actual conditions. The extrusion shaft of the high-pressure hydraulic pump is positioned in the pressurizing cylinder, and the magnesium alloy blank is extruded through ultrahigh-pressure hydrostatic fluid, so that the shaping effect is good. The extrusion barrels and the extrusion die are both provided with two, the other end of the pressurizing barrel is communicated with the two extrusion barrels through a pipeline component, the magnesium alloy blank is arranged in each extrusion barrel, the high-pressure hydraulic pump works, the extrusion shafts apply pressure to liquid, the magnesium alloy blanks in the two extrusion barrels are extruded and molded simultaneously, and the production capacity is improved due to the fact that the two extrusion barrels are provided with the one die and the two cavities. Because the effect of high-pressure hydraulic pressure, extrude moulding in-process, the recipient also need bear the pressure of high strength, set up two recipients side by side in a cross section is oval-shaped supporter, can enough strengthen the steadiness of recipient, also be convenient for set up heating device. Be provided with an oval annular steam heating chamber around two recipient in the supporter, still be provided with an oval annular vacuum chamber in the supporter to set up oval annular vacuum chamber the outside in oval annular steam heating chamber uses oval annular steam heating chamber can heat the magnesium alloy blank in two recipients simultaneously, makes it maintain certain temperature, and the magnesium alloy of being convenient for is moulding, and the setting of oval annular vacuum chamber also can play heat retaining effect, makes the magnesium alloy blank moulding easily. The pipeline component is internally provided with a first arc-shaped pipeline and a second arc-shaped pipeline, the first pipeline and the second arc-shaped pipeline are symmetrically arranged, inlet ends of the first pipeline and the second arc-shaped pipeline are all communicated with the other end of the pressurizing cylinder, outlet ends of the first pipeline and the second arc-shaped pipeline are respectively communicated with the extruding cylinder, one side edge of the first arc-shaped pipeline, which is connected with the inlet end of the second arc-shaped pipeline, is arc-shaped, and the pipeline component is in a high-pressure state and needs to bear great pressure when liquid is extruded downwards by an extruding shaft of the high-pressure hydraulic pump, and the pressure on the pipeline can be.
In one embodiment, as shown in fig. 3, each extrusion die comprises a die core 13, an outer die and a base 15, the outer die and the die core 13 form a pipe die therebetween, and the base 15 is arranged at the bottom of the die core and the outer die and used for fixing the die core and the outer die. When the extrusion die is specifically arranged, the outer die of the extrusion die comprises an upper die 14 and a lower die 18, one end of the upper die 14 extends into the extrusion cylinder, and an o-shaped ring and a triangular gasket are required to be arranged between the upper die and the extrusion cylinder 4 for sealing.
In one embodiment, a first annular hollow steel sleeve 16 is arranged in the pressurizing cylinder, and the first annular hollow steel sleeve 16 is matched with the inner diameter of the pressurizing cylinder 1. The arrangement of the annular hollow steel sleeve is convenient for the pressurizing cylinder and the extrusion cylinder to be filled with liquid medium quickly.
In one embodiment, the duct member 8 comprises symmetrical first and second members, which are fixedly connected. The pipeline components are arranged into the first component and the second component which are symmetrical, so that the arc-shaped pipeline is conveniently arranged inside the pipeline components.
In one embodiment, a second annular steel sleeve is disposed inside each of the first and second arced tubes of the tubing assembly, the second annular steel sleeve fitting the inner diameters of the first and second arced tubes. The bearing capacity of the arc-shaped pipeline can be enhanced by arranging the first arc-shaped pipeline and the second arc-shaped pipeline. The second annular steel sleeve is not shown in the drawings.
In one embodiment, an annular cover 17 is disposed inside an end of the pressurizing barrel 1 connected to the pipe member 8, and has an inner diameter smaller than that of the first annular steel sleeve.
In one embodiment, the pressurizing cylinder and the extrusion cylinder are fixedly connected with the pipeline component. The fixed connection is preferably welded to ensure the sealing between the pressurizing cylinder and the extrusion cylinder and the pipe member, and may be in other fixing methods, but the sealing must be ensured.
In one embodiment, the bases of the two extrusion dies are connected into an integral structure. The base is arranged together, so that the installation and the disassembly are convenient.
In one embodiment, the elliptical ring shaped steam heating chamber is provided with a steam inlet and a steam outlet. And the steam heating is adopted, so that the heating device is convenient and convenient to control.
In one embodiment, a heating jacket 21 is provided on the outer wall of both extrusion dies. The heating jacket is arranged on the outer wall, so that the temperature of the extrusion die is kept at a preset temperature, and the preset temperature can be set according to actual conditions, such as 220 degrees.
As mentioned above, the device has simple structure, high production efficiency and high quality of formed products, and solves the problem that the magnesium alloy is not easy to be shaped.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a mould two-chamber magnesium alloy tubular product extrusion device which characterized in that includes:
one end of the pressurization cylinder is hermetically connected with a high-pressure hydraulic pump, and an extrusion shaft of the high-pressure hydraulic pump is positioned in the pressurization cylinder;
the device comprises two extrusion barrels, two extrusion barrels and a heating device, wherein the two extrusion barrels are arranged in a support body with an oval cross section side by side, an oval annular steam heating cavity is arranged in the support body around the two extrusion barrels, an oval annular vacuum cavity is also arranged in the support body, the oval annular vacuum cavity is arranged outside the oval annular steam heating cavity, the other end of each extrusion barrel is communicated with the two extrusion barrels through a pipeline part, and a magnesium alloy blank is arranged in each extrusion barrel; and
two extrusion dies are arranged, and each extrusion cylinder is hermetically connected with one extrusion die;
the inner part of the pipeline component is provided with a first arc-shaped pipeline and a second arc-shaped pipeline, the first arc-shaped pipeline and the second arc-shaped pipeline are symmetrically arranged, inlet ends of the first arc-shaped pipeline and the second arc-shaped pipeline are communicated with the other end of the pressurizing barrel, outlet ends of the first arc-shaped pipeline and the second arc-shaped pipeline are communicated with the two squeezing barrels respectively, and one side edge of the first arc-shaped pipeline, which is connected with the inlet end of the second arc-shaped pipeline.
2. The one-die dual-cavity magnesium alloy pipe extrusion device of claim 1, wherein each extrusion die comprises a die core, an outer die and a base, the outer die and the die core form the pipe die, and the base is arranged at the bottom of the die core and the outer die and used for fixing the die core and the outer die.
3. The one-die dual-cavity magnesium alloy pipe extrusion device as claimed in claim 1, wherein a first annular hollow steel sleeve is arranged in the pressurizing cylinder, and the first annular hollow steel sleeve is adapted to the inner diameter of the pressurizing cylinder.
4. The one-die dual-cavity magnesium alloy pipe extrusion device of claim 1, wherein the pipe component comprises a first component and a second component which are symmetrical, and the first component and the second component are fixedly connected.
5. The one-die dual-cavity magnesium alloy pipe extrusion device as claimed in claim 1, wherein a second annular steel bushing is arranged inside each of the first and second arc-shaped pipes of the pipe member, and the second annular steel bushing is adapted to the inner diameter of the first and second arc-shaped pipes.
6. The one-die dual-cavity magnesium alloy pipe extrusion device as claimed in claim 3, wherein an annular cover is provided inside an end of the pressurizing barrel connected with the pipe member, and the inner diameter of the annular cover is smaller than that of the first annular steel sleeve.
7. The one-die dual-cavity magnesium alloy pipe extrusion device of claim 6, wherein the pressurizing barrel and the extrusion barrel are fixedly connected with the pipeline component.
8. The one-die dual-cavity magnesium alloy pipe extrusion device of claim 2, wherein the bases of the two extrusion dies are connected into a whole structure.
9. The one-die dual-cavity magnesium alloy pipe extrusion device as claimed in claim 1, wherein the elliptical ring-shaped steam heating cavity is provided with a steam inlet and a steam outlet.
10. The one-die two-cavity magnesium alloy pipe extrusion device of claim 1, wherein a heating jacket is provided on the outer wall of each of the two extrusion dies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653739.0U CN210172211U (en) | 2019-05-08 | 2019-05-08 | One-die double-cavity magnesium alloy pipe extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653739.0U CN210172211U (en) | 2019-05-08 | 2019-05-08 | One-die double-cavity magnesium alloy pipe extrusion device |
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| CN210172211U true CN210172211U (en) | 2020-03-24 |
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| CN201920653739.0U Active CN210172211U (en) | 2019-05-08 | 2019-05-08 | One-die double-cavity magnesium alloy pipe extrusion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620372A (en) * | 2020-12-23 | 2021-04-09 | 太原理工大学 | Mold and method for preparing magnesium alloy plate strip with weak basal plane texture by continuous differential extrusion |
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2019
- 2019-05-08 CN CN201920653739.0U patent/CN210172211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620372A (en) * | 2020-12-23 | 2021-04-09 | 太原理工大学 | Mold and method for preparing magnesium alloy plate strip with weak basal plane texture by continuous differential extrusion |
| CN112620372B (en) * | 2020-12-23 | 2022-05-24 | 太原理工大学 | Mold and method for preparing weak basal plane texture magnesium alloy plate strip through continuous differential extrusion |
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