CN108500134B - Hot-press forming equipment and method for amorphous alloy and hot-press formed part - Google Patents
Hot-press forming equipment and method for amorphous alloy and hot-press formed part Download PDFInfo
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- CN108500134B CN108500134B CN201710102273.0A CN201710102273A CN108500134B CN 108500134 B CN108500134 B CN 108500134B CN 201710102273 A CN201710102273 A CN 201710102273A CN 108500134 B CN108500134 B CN 108500134B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses hot-press forming equipment and method of amorphous alloy and a hot-press formed part, wherein the hot-press forming equipment, the hot-press forming method and the hot-press formed part comprise the following steps: providing a kit comprising: the amorphous alloy plate heating device comprises a bottom plate, a heating device, a lower die set and an upper die set, wherein an accommodating space for accommodating the amorphous alloy plate is arranged between the upper die set and the lower die set; spraying a high-temperature-resistant coating on the surface of the amorphous alloy plate; heating the heating plate to the superplastic temperature of the amorphous alloy plate; feeding the amorphous alloy plate material onto a material heating plate and heating the amorphous alloy plate material to the superplastic temperature of the amorphous alloy plate material; forming or sheet-metal working procedure of the amorphous alloy sheet; and removing the high-temperature resistant coating on the surface of the amorphous alloy plate. The method does not need to change the gas in the cavity into inert gas, can carry out various processes of blanking, punching, flanging, shaping and the like of the hardware progressive die, can manufacture parts with complex shapes, and has short production time, high efficiency and low cost.
Description
Technical Field
The invention relates to the technical field of amorphous alloy die-casting molding, in particular to amorphous alloy hot-press molding equipment and method and a hot-press molded part.
Background
The invention discloses a hot-press forming method and a hot-press forming machine for amorphous alloy, which are disclosed in the Chinese invention patent application with the publication number of 'CN 104259432A' and the name of 'a hot-press forming method and a hot-press forming machine for amorphous alloy', wherein the hot-press forming machine for amorphous alloy comprises a vacuum cavity, a die-casting part arranged in the vacuum cavity and an infrared heating device arranged outside the vacuum cavity and used for heating the vacuum cavity; the die-casting part comprises a die-casting cavity and an inert atmosphere pipeline communicated with the die-casting cavity; an upper die, a lower die, an upper middle plate group arranged above the upper die and a lower middle plate group arranged below the lower die are arranged in the die-casting cavity; an accommodating space for placing the amorphous plate is arranged between the upper die and the lower die; the upper middle plate set and the lower middle plate set are both provided with channels communicated with the die-casting cavity.
When the amorphous alloy hot-press forming method and the hot-press forming machine in the form are used for manufacturing amorphous alloy plate equipment with equal wall thickness, firstly, a cavity needs to be sealed; the air in the sealed cavity is secondarily changed into inert gas to prevent the material from being oxidized when the amorphous alloy plate is heated, and a large amount of time is needed for heating the amorphous alloy material in the die cavity each time; secondly, the above patent uses a vacuum pumping method to make the amorphous alloy plate material adhere to the surface of the cavity, so that many processes of the stamping die, such as blanking, punching, flanging, shaping, etc., cannot be performed. The processing method and the equipment can only form simple products at one time, have more limitations on the shapes of the products, have long forming time, high cost and the like, and are not suitable for batch production.
Disclosure of Invention
The present invention aims to solve the above technical problems at least to some extent or at least to provide a useful commercial choice. Therefore, an object of the present invention is to provide a hot press forming apparatus for amorphous alloy, which is capable of performing a plurality of processes such as blanking, punching, flanging, and shaping of a continuous metal mold without changing the gas in a cavity into an inert gas in a temperature rise process of heating the temperature in the cavity from room temperature to a superplastic temperature during mold forming, and manufacturing parts with complicated shapes, and has the advantages of short production time, high efficiency, and low cost.
The invention provides amorphous alloy hot-press forming equipment, which comprises:
a base plate; the heating device is arranged on the bottom plate and comprises an adjusting device, a supporting plate, a first heat insulation plate and a material heating plate, wherein the adjusting device is arranged on the bottom plate, the supporting plate is arranged on the adjusting device, the first heat insulation plate is arranged on the supporting plate, and the material heating plate is arranged on the first heat insulation plate; the lower die set is close to the heating device and arranged on the bottom plate; the upper die set is connected with the lower die set through a guide device, the upper surface of the upper die set is connected with a hydraulic press main cylinder power device, and an accommodating space for placing the amorphous alloy plate is arranged between the upper die set and the lower die set.
According to the hot-press forming equipment for the amorphous alloy, provided by the invention, when a mould is formed, the temperature in the cavity is heated from room temperature to the superplastic temperature, the gas in the cavity does not need to be changed into inert gas, and various processes such as blanking, punching, flanging and shaping of a hardware progressive die can be carried out, so that parts with complex shapes can be manufactured, the production time is short, the efficiency is high, and the cost is low.
In addition, the hot-press forming equipment for the amorphous alloy, provided by the invention, also has the following technical characteristics:
the heating device further includes: the material heating plate is arranged on the first heat insulation plate, the material heating plate is arranged on the second heat insulation plate, the third heat insulation plate is arranged on the material heating plate, and an accommodating space for placing the amorphous alloy plate is arranged between the material heating plate and the third heat insulation plate.
The protective cover is arranged on the supporting plate and clamped outside the first heat insulation plate, the second heat insulation plate, the third heat insulation plate and the material heating plate, and fourth heat insulation plates are arranged on two side faces of the protective cover respectively.
The lower module still includes: the lower die comprises a lower die base, a fifth heat insulation plate, a lower die heating plate and a lower die, wherein a U-shaped groove is formed in the lower portion of the lower die base and penetrates through the lower die base in the width direction, and the lower die base is arranged on the bottom plate and close to the adjusting device.
The fifth heat insulation plate is arranged on the upper surface of the lower die base.
The lower mold heating plate is disposed on an upper surface of the fifth heat insulation plate.
The lower die is arranged on the upper surface of the lower die heating plate;
one end part of the guide device is close to the corner of the lower die holder and is arranged on the lower die holder, and the other end part of the guide device is close to the corner of the upper die holder and is arranged on the upper die holder;
the upper module further comprises: the heating device comprises an upper die, an upper die heating plate, a sixth heat insulation plate and an upper die base, wherein the sixth heat insulation plate is arranged on the lower surface of the upper die base.
The upper die heating plate is arranged on the lower surface of the sixth heat insulation plate.
The upper die is arranged on the lower surface of the upper die heating plate.
The material hot plate go up the mould hot plate with the lower mould hot plate is the cuboid structure, and follows the material hot plate go up the mould hot plate with be provided with the through-hole on the lower mould hot plate width direction respectively.
The upper surface of the lower die is sequentially provided with a first forming groove, a first punched hole, a second forming groove, a second punched hole and a third forming groove along the length direction of the upper surface of the lower die, the first forming groove, the second forming groove and the third forming groove are cuboid in shape, and the first punched hole and the second punched hole are cylindrical in shape.
And a first protruding part, a second protruding part and a third protruding part which are respectively matched with the first forming groove, the first punched hole and the second punched hole are sequentially arranged on the upper surface of the upper die along the length direction of the upper die.
The first heat insulation plate, the second heat insulation plate, the third heat insulation plate, the fourth heat insulation plate, the fifth heat insulation plate and the sixth heat insulation plate are made of poor thermal conductor materials.
According to the hot-press forming equipment for the amorphous alloy, provided by the invention, when a mould is formed, the temperature in the cavity is heated from room temperature to the superplastic temperature, the gas in the cavity does not need to be changed into inert gas, and various processes such as blanking, punching, flanging and shaping of a hardware progressive die can be carried out, so that parts with complex shapes can be manufactured, the production time is short, the efficiency is high, and the cost is low.
The invention provides a hot press molding method of amorphous alloy, which is a method for hot press molding of an amorphous plate by the hot press molding equipment of amorphous alloy, and the hot press molding method comprises the following steps:
a. spraying a high-temperature-resistant coating on the surface of the amorphous plate; b. heating the material heating plate, the upper die heating plate and the lower die heating plate to the superplastic temperature of the amorphous alloy plate; c. slowly feeding the amorphous alloy plate with the high-temperature-resistant coating onto a material heating plate so that the amorphous alloy plate is heated to the superplastic temperature of the amorphous alloy plate in the process of moving from left to right on the material heating plate; d. sending the amorphous alloy plate into a die cavity, and starting a forming or sheet metal working procedure; e. and putting the amorphous alloy plate after hot press forming into a paint removing agent to remove the high-temperature resistant coating on the surface of the amorphous alloy plate, and finally cleaning and drying the amorphous alloy plate after hot press forming.
The invention provides a hot-press molding method of amorphous alloy, which comprises the following steps: the whole production of the amorphous alloy plate in the die can be processed by using the continuous sheet metal die process, the time for heating the plate in the die and the time for vacuumizing the cavity or replacing the cavity with inert gas are not needed, the production time of the product and the limitation of the production process are greatly shortened, the application range of the amorphous material is improved, and the production cost of the amorphous material is reduced.
In addition, the hot-press forming method of the amorphous alloy further has the following technical characteristics:
the upper die is arranged on the upper die heating plate, the lower die is arranged on the lower die heating plate, so that the upper die and the lower die are heated to the superplastic temperature of the amorphous alloy plate simultaneously.
The forming or sheet metal process comprises: punching, flanging and bending.
The mold cavity is designed into a continuous mold, and the next procedure is immediately carried out after the current procedure is finished.
A hot press forming part is suitable for any hot press forming method of the amorphous alloy.
In the invention, when the amorphous alloy material is processed in the die, the amorphous alloy material can be produced in a multi-process mode of a continuous sheet metal die, so that the material can be continuously produced when entering the die, the heating time of the amorphous alloy sheet material is not needed, namely the time for waiting for the amorphous alloy sheet material to be heated from room temperature to superplastic temperature in the die cavity is not needed, in addition, the time for vacuumizing the die cavity or replacing inert gas in the die cavity is not needed, the production time is greatly shortened, the limitation of single shape of a product is broken through, the complexity of parts of the amorphous alloy sheet material is improved, the application range of the amorphous sheet material is also improved, and the production cost of the amorphous alloy material is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the present invention;
FIG. 3 is a cross-sectional view of one embodiment of the present invention;
FIG. 4 is a schematic structural view of an upper die of one embodiment of the present invention;
fig. 5 is a schematic structural view of a lower die according to an embodiment of the present invention.
Reference numerals:
a base plate 100, a support plate 110, a first heat shield 120, a second heat shield 130, a third heat shield 140, a fourth heat shield 150, a material heating plate 160, a shield 180, an adjusting means 190,
an upper mold 210, an upper mold heating plate 220, a sixth heat insulating plate 230, an upper mold base 240, a through hole 250, a first protrusion 260, a second protrusion 270, a third protrusion 280, a guide 290,
a lower die holder 310, a fifth heat insulation plate 320, a lower die heating plate 330, a lower die 340, a first forming groove 350, a second forming groove 360, a third forming groove 370, a first punched hole 380, a second punched hole 390,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The invention provides a hot-press forming device for amorphous alloy. Referring to fig. 1 to 5, the apparatus for hot press forming of amorphous alloy includes a base plate 100, a heating device, an upper module, and a lower module.
In specific implementation, the heating device is disposed on the base plate 100, the heating device includes an adjusting device 190, a supporting plate 110, a first heat insulation plate 120, and a material heating plate 160, the adjusting device 190 is disposed on the base plate 100, the adjusting device 190 can adjust its height, and can slide left and right along the base plate 100 to approach or separate from a mold, and after the mold with different dimensions is replaced, the height of the adjusting device 190 can be adjusted to make the surface of the material heating plate 160 and the parting plane of the mold be in the same plane as much as possible, and the material heating plate 160 can approach the mold to make the sheet material of the mold smoothly enter the forming mold to be processed and reduce heat energy loss.
In a specific implementation, the supporting plate 110 is disposed on the adjusting device 190, the first heat insulation plate 120 is disposed on the supporting plate 110, the material heating plate 160 is disposed on the first heat insulation plate 120, and the length of the material heating plate 160 is smaller than that of the first heat insulation plate 120, so that it is convenient to install other heat insulation plates.
Referring to fig. 1 to 3, the lower die set is adjacent to the heating device and disposed on the bottom plate 100, the upper die set is connected to the lower die set through a guide device 290, an upper surface of the upper die set, that is, an upper surface of the upper die set 240, is connected to a hydraulic press master cylinder power device, the upper die set 240 can move up and down along with the hydraulic press master cylinder, the upper die set can move up and down along the guide device 290 so that the upper die set is far away from or close to the lower die set, and an accommodating space for placing the amorphous alloy sheet 400 is disposed between the upper die set and the lower die set.
Referring to fig. 1-3, the heating apparatus further comprises: the heat insulation structure comprises a second heat insulation plate 130, a third heat insulation plate 140 and a shield 180, wherein the second heat insulation plate 130 is close to the material heating plate 160 and is arranged on the first heat insulation plate 120, so that the material heating plate is insulated in all directions, heat conduction on equipment can be reduced, energy is saved, heat is insulated, and meanwhile, high temperature is prevented from being conducted to the surface of the equipment to injure operators. The third heat insulation board 140 is disposed on the second heat insulation board 130 and the material heating board 160, an accommodating space for placing the amorphous alloy sheet 400 is disposed between the material heating board 160 and the third heat insulation board 140, the shield 180 is disposed on the support plate 110 and clamped at the outer sides of the first heat insulation board 120, the second heat insulation board 130, the third heat insulation board 140 and the material heating board 160, and the two inner side surfaces of the shield 180 are respectively provided with the fourth heat insulation board 150, and the type of the shield 180 can be selected more, so as to achieve the purpose of preventing a worker from contacting a machine.
Referring to fig. 3-4, the lower module further includes: the lower die holder 310, the fifth heat insulation board 320, the lower die heating plate 330 and the lower die 340, wherein a U-shaped groove 410 is formed in the lower portion of the lower die holder 310, the U-shaped groove 410 penetrates along the width direction of the lower die holder 310 to reduce the weight of the device and reduce the use of materials, and the lower die holder 310 is arranged on the bottom plate 100 and close to the adjusting device 190.
In a specific implementation, referring to fig. 4, the fifth heat insulation plate 320 is disposed on the upper surface of the lower die holder 310, the lower die heating plate 330 is disposed on the upper surface of the fifth heat insulation plate 320, the lower die 340 is disposed on the upper surface of the lower die heating plate 330, one end of the guide 290 is disposed on the lower die holder 310 adjacent to a corner of the lower die holder 310, the number of the guide 290 is preferably 4, so as to balance the upper die set and the lower die set, and the other end of the guide 290 is disposed on the upper die holder 240 adjacent to a corner of the upper die holder 240.
In a specific implementation, referring to fig. 4, a first forming groove 350, a first punched hole 380, a second forming groove 360, a second punched hole 390, and a third forming groove 370 are sequentially disposed on an upper surface of the lower mold 340 along a length direction thereof, the first forming groove 350, the second forming groove 360, and the third forming groove 370 are rectangular solids, the first punched hole 380 and the second punched hole 390 are cylindrical, the number and the shape of the punched holes and the forming grooves may be respectively set according to an actually-formed product and a forming process, the number and the shape of the punched holes and the forming grooves are only provided for explaining the present invention, and are not limited to the present invention, and the lower mold 340 may be designed and used according to needs.
In a specific implementation, referring to fig. 5, the upper module further includes: go up mould 210, go up mould hot plate 220, sixth heat insulating board 230, go up mould base 240, sixth heat insulating board 230 sets up on the lower surface of upper mould base 240, it sets up to go up mould hot plate 220 on the lower surface of sixth heat insulating board 230, it sets up to go up mould 210 on the lower surface of mould hot plate 220, material hot plate 160 go up mould hot plate 220 with lower mould hot plate 330 is preferred to be set up to the cuboid structure, and follows material hot plate 160 go up mould hot plate 220 with be provided with through-hole 250 on the width direction of lower mould hot plate 330 respectively, go up the upper surface of mould 210 along its length direction in proper order be equipped with respectively with first shaping groove 350 first punch a hole 380 with second punch a hole 390 matched with first bulge 260, second bulge 270 and third bulge 280.
In specific implementation, the materials of the first heat insulating plate 120, the second heat insulating plate 130, the third heat insulating plate 140, the fourth heat insulating plate 150, the fifth heat insulating plate 320 and the sixth heat insulating plate 230 are poor thermal conductor materials, so that heat conduction on the device is reduced, energy-saving heat preservation is achieved, high-temperature conduction is avoided, the surface of the device is damaged by operators, and the heating modes of the material heating plate 160, the upper die heating plate 220 and the lower die heating plate 330 are not limited, and can be heating by an electric bar, induction heating or other heating modes.
In specific implementation, the die can be designed into a single stamping die or a progressive die, the progressive die can improve the production efficiency, the next process is immediately carried out after the first process is finished, a large amount of waiting time is not needed in the middle, and the production cost is greatly reduced.
According to the amorphous alloy hot-press forming equipment provided by the invention, during the mould forming, the temperature in the cavity is heated from room temperature to the superplastic temperature, the gas in the cavity does not need to be changed into inert gas, and various processes such as blanking, punching, flanging and shaping of a hardware progressive die can be carried out, so that parts with complex shapes can be manufactured, the production time is short, the efficiency is high, and the cost is low.
The invention provides a hot-press forming method of amorphous alloy. Referring to fig. 1 to 5, the hot press molding method includes:
a. the surface of the amorphous alloy plate 400 is sprayed with a high-temperature-resistant coating, the coating can not melt in the superplastic temperature interval of the amorphous alloy plate 400 and does not influence thermal forming, at normal temperature, the coating is soaked in a paint remover and is easy to remove, and because the surface of the amorphous alloy plate 400 is provided with the high-temperature-resistant coating, the amorphous alloy plate 400 can not be oxidized during high-temperature superplastic forming in a die.
b. Will material hot plate 160 go up mould hot plate 220, lower mould hot plate 330 heat to the superplastic temperature of used amorphous alloy sheet material 400, because of it fixes to go up mould 210 go up on mould hot plate 220, lower mould 340 is fixed on lower mould hot plate 330, so go up mould 210 with lower mould 340 has been heated simultaneously to the superplastic temperature of amorphous alloy sheet material 400.
c. And slowly feeding the amorphous alloy plate with the high-temperature-resistant coating onto a material heating plate so that the amorphous alloy plate is heated to the superplastic temperature of the amorphous alloy plate in the process of moving from left to right on the material heating plate.
d. The amorphous alloy sheet is sent into a die cavity, and a forming or sheet metal process, such as punching, flanging, bending and the like, is started, because the forming strain rate range of the amorphous alloy sheet 400 is 1 × 10-5 × 10-104Sˉ1So the amorphous alloy slab 400 has enough time to be heated to the superplastic temperature while moving from left to right on the material heating plate 160.
e. And putting the amorphous alloy plate after hot press forming into a paint removing agent to remove the high-temperature resistant coating on the surface of the amorphous alloy plate, and finally cleaning and drying the amorphous alloy plate after hot press forming.
The invention provides a hot-press molding method of amorphous alloy, which comprises the following steps: the whole production of the amorphous alloy plate in the die can be processed by using the continuous sheet metal die process, the time for heating the plate in the die and the time for vacuumizing the cavity or replacing the cavity with inert gas are not needed, the production time of the product and the limitation of the production process are greatly shortened, the application range of the amorphous material is improved, and the production cost of the amorphous material is reduced.
The invention provides a hot-press forming piece of amorphous alloy, which is suitable for any one of the hot-press forming methods and equipment of the amorphous alloy. When the amorphous alloy material is processed in the die, the amorphous alloy material can be produced in a multi-process mode of a continuous sheet metal die, so that the material can be continuously produced when entering the die, the heating time of the amorphous alloy sheet is not needed, namely the time for waiting for heating the amorphous alloy sheet from room temperature to superplastic temperature in the die cavity is not needed, in addition, the time for vacuumizing the die cavity or replacing inert gas in the die cavity is not needed, the production time is greatly shortened, the limitation of single shape of a product is broken through, the complexity of amorphous alloy sheet parts is improved, the application range of the amorphous sheet is also improved, and the production cost of the amorphous alloy material is reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (19)
1. A hot briquetting equipment of metallic glass, its characterized in that includes:
a base plate;
the heating device is arranged on the bottom plate and comprises an adjusting device, a supporting plate, a first heat insulation plate and a material heating plate, wherein the adjusting device is arranged on the bottom plate, the supporting plate is arranged on the adjusting device, the first heat insulation plate is arranged on the supporting plate, and the material heating plate is arranged on the first heat insulation plate;
the lower die set is close to the heating device and arranged on the bottom plate;
the upper die set is connected with the lower die set through a guide device, the upper surface of the upper die set is connected with a power device of a main cylinder of the hydraulic machine, and an accommodating space for placing the amorphous alloy plate is arranged between the upper die set and the lower die set;
the heating device further includes: the material heating plate is arranged on the first heat insulation plate, the material heating plate is arranged on the second heat insulation plate, the third heat insulation plate is arranged on the material heating plate, and an accommodating space for placing the amorphous alloy plate is arranged between the material heating plate and the third heat insulation plate.
2. The amorphous alloy hot press molding equipment according to claim 1, wherein the shield is disposed on the supporting plate and clamped outside the first heat insulation plate, the second heat insulation plate, the third heat insulation plate and the material heating plate, and fourth heat insulation plates are disposed on two side surfaces of the shield respectively.
3. The apparatus of claim 2, wherein the lower die set further comprises:
the lower die comprises a lower die base, a fifth heat insulation plate, a lower die heating plate and a lower die, wherein a U-shaped groove is formed in the lower portion of the lower die base and penetrates through the lower die base in the width direction, and the lower die base is arranged on the bottom plate and close to the adjusting device.
4. The amorphous alloy hot press forming device according to claim 3, wherein the fifth heat insulation plate is arranged on the upper surface of the lower die holder.
5. The apparatus for hot press molding of amorphous alloy according to claim 3, wherein the lower mold heating plate is disposed on an upper surface of the fifth heat insulating plate.
6. The apparatus for hot press molding of amorphous alloy according to claim 3, wherein the lower mold is disposed on an upper surface of the lower mold heating plate.
7. The apparatus of claim 3, wherein the upper mold set further comprises: the heating device comprises an upper die, an upper die heating plate, a sixth heat insulation plate and an upper die base, wherein the sixth heat insulation plate is arranged on the lower surface of the upper die base.
8. The amorphous alloy hot press forming apparatus according to claim 7, wherein one end of the guide device is adjacent to a corner of the lower die holder and is disposed on the lower die holder, and the other end of the guide device is adjacent to a corner of the upper die holder and is disposed on the upper die holder.
9. The apparatus for hot press molding of amorphous alloy according to claim 7, wherein the upper mold heating plate is disposed on a lower surface of the sixth heat insulating plate.
10. The apparatus for hot press molding of amorphous alloy according to claim 7, wherein the upper mold is disposed on a lower surface of the upper mold heating plate.
11. The amorphous alloy hot press forming apparatus according to claim 7, wherein the material heating plate, the upper mold heating plate and the lower mold heating plate are rectangular structures, and through holes are respectively provided along the width direction of the material heating plate, the upper mold heating plate and the lower mold heating plate.
12. The amorphous alloy hot press forming equipment according to claim 7, wherein a first forming groove, a first punched hole, a second forming groove, a second punched hole and a third forming groove are sequentially arranged on the upper surface of the lower die along the length direction of the lower die, the first forming groove, the second forming groove and the third forming groove are cuboid, and the first punched hole and the second punched hole are cylindrical.
13. The apparatus of claim 12, wherein a first protrusion, a second protrusion and a third protrusion are sequentially disposed on the upper surface of the upper mold along the length direction of the upper mold, and the first protrusion, the second protrusion and the third protrusion are respectively matched with the first forming groove, the first punched hole and the second punched hole.
14. The apparatus of claim 7, wherein the first, second, third, fourth, fifth and sixth heat shields are made of a poor thermal conductor material.
15. A method for hot press forming of an amorphous alloy, which is the method for hot press forming of an amorphous plate by the hot press forming equipment of an amorphous alloy as claimed in any one of claims 7 to 14, and which comprises the steps of:
a. spraying a high-temperature-resistant coating on the surface of the amorphous alloy plate;
b. heating the material heating plate, the upper die heating plate and the lower die heating plate to the superplastic temperature of the amorphous alloy plate;
c. slowly feeding the amorphous alloy plate with the high-temperature-resistant coating onto a material heating plate so that the amorphous alloy plate is heated to the superplastic temperature of the amorphous alloy plate in the process of moving from left to right on the material heating plate;
d. sending the amorphous alloy plate into a die cavity, and starting a forming or sheet metal working procedure;
e. and putting the amorphous alloy plate after hot press forming into a paint removing agent to remove the high-temperature resistant coating on the surface of the amorphous alloy plate, and finally cleaning and drying the amorphous alloy plate after hot press forming.
16. The hot press forming method according to claim 15, wherein the upper mold and the lower mold are simultaneously heated to the superplastic temperature of the amorphous alloy slab, since the upper mold is disposed on the upper mold heating plate and the lower mold is disposed on the lower mold heating plate.
17. The hot press forming method according to claim 15, wherein the forming or sheet metal process comprises: punching, flanging and bending.
18. A method according to claim 15, characterized in that the mould cavity is designed as a continuous mould and that the next process is carried out immediately after the previous process.
19. An amorphous alloy thermoformed part characterized in that the amorphous alloy thermoformed part is molded by the molding method according to any one of claims 15 to 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102273.0A CN108500134B (en) | 2017-02-24 | 2017-02-24 | Hot-press forming equipment and method for amorphous alloy and hot-press formed part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102273.0A CN108500134B (en) | 2017-02-24 | 2017-02-24 | Hot-press forming equipment and method for amorphous alloy and hot-press formed part |
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| CN108500134A CN108500134A (en) | 2018-09-07 |
| CN108500134B true CN108500134B (en) | 2020-07-10 |
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| CN110142321B (en) * | 2019-05-21 | 2020-09-18 | 东北大学 | Device and method for continuous punch forming of amorphous thin-wall structural part |
| CN113618222B (en) * | 2021-07-30 | 2023-04-21 | 广东工业大学 | Amorphous alloy welding process and bulk amorphous alloy |
| CN115365361A (en) * | 2022-09-16 | 2022-11-22 | 吉林大学 | 7075-T6 aluminum alloy contact heating forming method |
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