CN111842831A - Preparation device of amorphous alloy pipe - Google Patents
Preparation device of amorphous alloy pipe Download PDFInfo
- Publication number
- CN111842831A CN111842831A CN202010836430.2A CN202010836430A CN111842831A CN 111842831 A CN111842831 A CN 111842831A CN 202010836430 A CN202010836430 A CN 202010836430A CN 111842831 A CN111842831 A CN 111842831A
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- mold body
- amorphous alloy
- die body
- die
- forming cavity
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000012768 molten material Substances 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 7
- 239000005300 metallic glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2209—Selection of die materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention provides a device for preparing an amorphous alloy tube, which relates to the technical field of amorphous alloy tube preparation, and comprises: the inner mold body and the outer mold body are cylindrical, and the inner mold body and the outer mold body are coaxially sleeved; a gap is formed between the inner die body and the outer die body, the cross section of the gap is annular, and a forming cavity is formed by the gap; and the bottom ends of the inner die body and the outer die body are connected so as to seal the bottom end of the forming cavity. After the inner die body and the outer die body are assembled, a molten material can be poured into the forming cavity, after the material is solidified, an amorphous alloy pipe is formed in the forming cavity, and because the inner die body and the outer die body are coaxially sleeved, the gap distances of the inner die body and the outer die body at all positions are equal, so that the thickness consistency of the manufactured amorphous alloy pipe at all positions is high, no air flow participates in the preparation process, and the problem that the amorphous alloy pipe is mixed with air holes is solved.
Description
Technical Field
The invention relates to the technical field of amorphous alloy tube preparation, in particular to a preparation device of an amorphous alloy tube.
Background
Amorphous solids include amorphous dielectrics, amorphous semiconductors, amorphous metals. They have special physical and chemical properties. For example, metallic glass (amorphous metal) has higher strength, better elasticity, higher hardness and toughness, better corrosion resistance, stronger magnetic permeability, higher resistivity, etc. than general (crystalline) metals. This makes amorphous solids versatile. It is a new area of research under development, which has been rapidly developed in recent years.
In the case of tube forming, a known solution is the so-called "injection molding". In this injection molding method, metallic amorphous material is first heated to a liquid phase in a melting chamber. Then, the amorphous material rapidly passes through the cylindrical inner cavity of the casting mould by means of high-pressure gas; at this time, a part of the liquid phase of the high temperature amorphous material contacts the wall of the cold inner cavity, and is locally condensed, while the high temperature amorphous material near the center of the inner cavity continues to move under the driving of the high pressure gas. In this way, the next layer of amorphous material condenses on the walls of the cavity, forming a tube of amorphous material, while the remaining amorphous material is discharged from the outlet on the other side of the mould.
The amorphous material tube formed by the method has the defects that the wall thickness of the formed amorphous material tube is not uniform and pores exist in the amorphous material tube because the flow of gas is unstable.
Disclosure of Invention
The invention aims to provide a device for preparing an amorphous alloy tube, which is used for relieving the technical problems that the tube wall thickness of the amorphous material tube prepared in the prior art is not uniform and pores exist in the amorphous material tube.
The embodiment of the invention provides a device for preparing an amorphous alloy tube, which comprises: the inner mold body and the outer mold body are cylindrical, and the inner mold body and the outer mold body are coaxially sleeved;
a gap is formed between the inner die body and the outer die body, the cross section of the gap is annular, and a forming cavity is formed by the gap;
and the bottom ends of the inner die body and the outer die body are connected so as to seal the bottom end of the forming cavity.
Furthermore, the bottom end face of the outer die body is provided with an annular positioning groove which is sunken towards one side of the top end of the outer die body, the bottom end of the inner die body is provided with an annular positioning edge which is protruded towards the circumferential outer side of the inner die body, and the annular positioning edge is correspondingly connected with the annular positioning groove so that the inner die body and the outer die body are coaxial.
Further, the outer mold body comprises a plurality of mold units, and the plurality of mold units enclose the outer mold body.
Further, the manufacturing apparatus of the amorphous alloy tube includes a tightening member for tightening the plurality of die units.
Further, the inner mold body comprises a tube body and a positioning ring detachably connected with the tube body, and the positioning ring forms the annular positioning edge.
Furthermore, the preparation device of the amorphous alloy pipe comprises a plug body, wherein the plug body is used for being inserted into the top opening of the inner die body, a diversion trench is formed in the top surface of the plug body, and the diversion trench is used for guiding the molten material into the forming cavity.
Furthermore, the number of the diversion trenches is multiple, and the outlet directions of the multiple diversion trenches are different.
Further, the outer die body is made of metal copper or stainless steel.
Further, the material of the inner die body is metal.
Further, the tube body is made of quartz.
The preparation device of the amorphous alloy pipe provided by the embodiment of the invention comprises: the inner mold body and the outer mold body are cylindrical, and the inner mold body and the outer mold body are coaxially sleeved; a gap is formed between the inner die body and the outer die body, the cross section of the gap is annular, and a forming cavity is formed by the gap; and the bottom ends of the inner die body and the outer die body are connected so as to seal the bottom end of the forming cavity. After the inner die body and the outer die body are assembled, a molten material can be poured into the forming cavity, after the material is solidified, an amorphous alloy pipe is formed in the forming cavity, and because the inner die body and the outer die body are coaxially sleeved, the gap distances of the inner die body and the outer die body at all positions are equal, the thickness consistency of the manufactured amorphous alloy pipe at all positions is high, no air flow is involved in the preparation process, and the problem that the amorphous alloy pipe is mixed with air holes is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an exploded view of an apparatus for manufacturing an amorphous alloy tube according to an embodiment of the present invention;
FIG. 2 is a schematic view of a plug of an apparatus for producing an amorphous alloy tube according to an embodiment of the present invention;
fig. 3 is a schematic view of another view of a plug body of an apparatus for manufacturing an amorphous alloy tube according to an embodiment of the present invention.
Icon: 100-an inner mold body; 200-an outer mould body; 300-annular positioning groove; 400-a positioning ring; 510-a boss; 520-diversion trench.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the apparatus for manufacturing an amorphous alloy tube according to an embodiment of the present invention includes: the inner mold body 100 and the outer mold body 200, wherein the inner mold body 100 and the outer mold body 200 are cylindrical, and the inner mold body 100 and the outer mold body 200 are coaxially sleeved; a gap exists between the inner mold body 100 and the outer mold body 200, the cross section of the gap is annular, and the gap forms a forming cavity; the bottom ends of the inner and outer mold bodies 100 and 200 are joined to close the bottom end of the forming cavity. After the inner mold body 100 and the outer mold body 200 are assembled, a molten material can be poured into a forming cavity, after the material is solidified, an amorphous alloy pipe is formed in the forming cavity, and because the inner mold body 100 and the outer mold body 200 are coaxially sleeved, the gap distances at all positions of the inner mold body 100 and the outer mold body 200 are equal, so that the thickness consistency at all positions of the prepared amorphous alloy pipe is high, no air flow participates in the preparation process, and the problem that the amorphous alloy pipe is provided with air holes is solved.
The outer wall of the inner mold body 100 and the inner wall of the outer mold body 200 are smooth and can be processed by polishing and other processes, so that the demolding is convenient.
The bottom end face of the outer mold body 200 is provided with an annular positioning groove 300 which is concave towards one side of the top end of the outer mold body, the bottom end of the inner mold body 100 is provided with an annular positioning edge which is convex towards the circumferential outer side of the inner mold body, and the annular positioning edge is correspondingly connected with the annular positioning groove 300 so that the inner mold body 100 and the outer mold body 200 are coaxial.
The annular positioning groove 300 is formed in an inner stepped shape and is located at the inner side of the bottom end of the outer mold body 200. The volume and the shape of the annular positioning edge can just correspond to the annular positioning groove 300, after the annular positioning groove and the annular positioning groove are spliced, the inner mold body 100 and the outer mold body 200 are coaxial, and the distances between the inner mold body 100 and the outer mold body 200 at all positions are equal. The annular positioning groove 300 and the annular positioning edge play a role in positioning the inner mold body 100, so that the inner mold body and the outer mold body 200 are automatically coaxial after being assembled.
The outer mold body 200 includes a plurality of mold units, and the plurality of mold units surround the outer mold body 200.
In this embodiment, the number of the mold units is two, and the two mold units are respectively a left mold half and a right mold half, and the two mold halves can be combined to form an outer mold body 200, so that the mold can be conveniently disassembled. Specifically, the device for preparing the amorphous alloy tube may further include a tightening member, the tightening member may be a hoop, the tightening member is used for tightening the left half mold and the right half mold, and simultaneously, under the action of the tightening member, the annular positioning portion is clamped in the annular positioning groove 300 along the clamping direction.
The inner mold body 100 comprises a tube body and a positioning ring 400 detachably connected with the tube body, wherein the positioning ring 400 forms the annular positioning edge.
The inner mold body 100 may be an integrally formed structure, or may be formed by inserting and assembling a pipe body and the positioning ring 400. In the latter case, the material of the tube and the positioning ring 400 may be different. For example, the tube body can be made of quartz, and the positioning ring 400 can be made of metal, so that the quartz tube body can be directly broken during demolding, and demolding is more convenient.
The device for preparing the amorphous alloy tube comprises a plug body, wherein the plug body is used for being inserted into an opening at the top end of the inner die body 100, a diversion trench 520 is formed in the top surface of the plug body, and the diversion trench 520 is used for guiding a molten material into a forming cavity.
In this embodiment, the plug body is stepped, a boss 510 is provided below the plug body, the boss 510 is used for being inserted into the top opening of the inner mold body 100, a guide groove 520 for guiding the flow of the molten material is provided on the upper surface of the plug body, and the plug body can prevent the molten material from flowing into the pipe body and introduce the molten material into the forming cavity.
In order to achieve uniform distribution of the molten material by providing the same velocity of the molten material flowing into each position of the forming cavity, the number of the guide grooves 520 may be multiple, and the outlet of the plurality of guide grooves 520 may be oriented in different directions to guide the molten material to each position of the forming cavity.
The outer mold body 200 is made of copper or stainless steel. The metal has excellent thermal conductivity, can accelerate the solidification of a molten material, has certain strength, and can be used for multiple times.
In one embodiment of this embodiment, the material of the inner mold body 100 is metal, such as stainless steel. The molten material is pressed into the diversion trench 520 through a pressure head controlled by a servo motor, the molten material uniformly enters the forming cavity, after the equal-wall-diameter amorphous alloy is formed, the outer die body 200 is disassembled, the stainless steel inner die body 100 is processed by linear cutting, and after the stainless steel inner die body 100 is removed, the equal-wall-diameter amorphous tube which does not need to be processed is left, so that the processing difficulty and the die cost are reduced. In this embodiment, the tubular body and the positioning ring 400 may be integrally formed.
Another embodiment of this embodiment, the material of body is quartzy, and the demolding in-process only need remove except die body 200, knockout quartzy body can, the body is the consumptive material, and other parts can repetitious usage.
In the above two kinds of embodiments, interior mould 100 or body are the consumptive material, need not to carry out draft angle processing, and the die-casting shaping back directly gets rid of the inner membrance, obtains the accurate metallic glass pipe fitting of size.
The whole preparation process of the scheme is carried out in a high vacuum environment (the vacuum degree is less than or equal to 6 x 10)-3Pa), therefore, no gas participates in the smelting and die-casting forming, no air holes exist in the product, and the problem that the amorphous alloy pipe fitting is mixed with the air holes is solved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A device for preparing an amorphous alloy tube is characterized by comprising: the die comprises an inner die body (100) and an outer die body (200), wherein the inner die body (100) and the outer die body (200) are cylindrical, and the inner die body (100) and the outer die body (200) are coaxially sleeved;
a gap exists between the inner die body (100) and the outer die body (200), the cross section of the gap is annular, and the gap forms a forming cavity;
the bottom ends of the inner mold body (100) and the outer mold body (200) are connected to close the bottom end of the forming cavity.
2. The apparatus for preparing an amorphous alloy tube according to claim 1, wherein a bottom end surface of the outer mold body (200) is provided with an annular positioning groove (300) recessed to one side of a top end thereof, a bottom end of the inner mold body (100) is provided with an annular positioning edge protruding to an outer side in a circumferential direction thereof, and the annular positioning edge is correspondingly connected with the annular positioning groove (300) so that the inner mold body (100) and the outer mold body (200) are coaxial.
3. The apparatus according to claim 1, wherein the outer mold body (200) includes a plurality of mold units, and the plurality of mold units enclose the outer mold body (200).
4. The apparatus of claim 3, wherein the apparatus comprises a clamping member for clamping the plurality of die units.
5. The apparatus according to claim 2, wherein the inner mold body (100) comprises a tube body and a positioning ring (400) detachably connected to the tube body, the positioning ring (400) forming the annular positioning rim.
6. The apparatus for preparing an amorphous alloy tube according to claim 1, comprising a plug body for being inserted into the top opening of the inner mold body (100), wherein a flow guide groove (520) is formed in the top surface of the plug body, and the flow guide groove (520) is used for guiding the molten material into the forming cavity.
7. The apparatus for preparing an amorphous alloy tube according to claim 6, wherein the number of the guide grooves (520) is plural, and the outlet directions of the plural guide grooves (520) are different.
8. The apparatus for manufacturing an amorphous alloy tube according to claim 1, wherein the material of the outer mold body (200) is metallic copper or stainless steel.
9. The apparatus according to claim 1, wherein the inner mold body (100) is made of metal.
10. The apparatus according to claim 5, wherein the tube body is made of quartz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836430.2A CN111842831A (en) | 2020-08-18 | 2020-08-18 | Preparation device of amorphous alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836430.2A CN111842831A (en) | 2020-08-18 | 2020-08-18 | Preparation device of amorphous alloy pipe |
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| Publication Number | Publication Date |
|---|---|
| CN111842831A true CN111842831A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010836430.2A Pending CN111842831A (en) | 2020-08-18 | 2020-08-18 | Preparation device of amorphous alloy pipe |
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| CN (1) | CN111842831A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974775A (en) * | 2021-01-23 | 2021-06-18 | 郑州大学 | Die, device and method for preparing amorphous alloy pipe |
| CN114669728A (en) * | 2022-03-15 | 2022-06-28 | 广东省科学院生物与医学工程研究所 | Hollow pipeline casting device and casting method |
| CN115609958A (en) * | 2022-11-26 | 2023-01-17 | 零八一电子集团四川天源机械有限公司 | Method for manufacturing non-drawable composite material special-shaped part |
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| JP2000271730A (en) * | 1999-03-23 | 2000-10-03 | Akihisa Inoue | Production of glassy metal and apparatus therefor |
| CN102463339A (en) * | 2010-11-10 | 2012-05-23 | 北京航空航天大学 | Manufacturing method and device of alloy pipes |
| CN108372278A (en) * | 2018-04-02 | 2018-08-07 | 广东劲胜智能集团股份有限公司 | The preparation method and device of the alloy pipe of controllable diameter and wall thickness |
| CN211054059U (en) * | 2019-09-02 | 2020-07-21 | 武汉市至和路桥钢模板制造有限公司 | Prefabricated cement pipe die |
| CN212310802U (en) * | 2020-08-18 | 2021-01-08 | 盘星新型合金材料(常州)有限公司 | Preparation device of amorphous alloy pipe |
-
2020
- 2020-08-18 CN CN202010836430.2A patent/CN111842831A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000271730A (en) * | 1999-03-23 | 2000-10-03 | Akihisa Inoue | Production of glassy metal and apparatus therefor |
| CN102463339A (en) * | 2010-11-10 | 2012-05-23 | 北京航空航天大学 | Manufacturing method and device of alloy pipes |
| CN108372278A (en) * | 2018-04-02 | 2018-08-07 | 广东劲胜智能集团股份有限公司 | The preparation method and device of the alloy pipe of controllable diameter and wall thickness |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974775A (en) * | 2021-01-23 | 2021-06-18 | 郑州大学 | Die, device and method for preparing amorphous alloy pipe |
| CN112974775B (en) * | 2021-01-23 | 2022-07-15 | 郑州大学 | Die, device and method for preparing amorphous alloy pipe |
| CN114669728A (en) * | 2022-03-15 | 2022-06-28 | 广东省科学院生物与医学工程研究所 | Hollow pipeline casting device and casting method |
| CN115609958A (en) * | 2022-11-26 | 2023-01-17 | 零八一电子集团四川天源机械有限公司 | Method for manufacturing non-drawable composite material special-shaped part |
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