CN114506145A - Mold for vacuum hot-pressing equipment and filling method thereof - Google Patents
Mold for vacuum hot-pressing equipment and filling method thereof Download PDFInfo
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- CN114506145A CN114506145A CN202210049554.5A CN202210049554A CN114506145A CN 114506145 A CN114506145 A CN 114506145A CN 202210049554 A CN202210049554 A CN 202210049554A CN 114506145 A CN114506145 A CN 114506145A
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- 238000007731 hot pressing Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
According to the die for the vacuum hot-pressing equipment and the filling method thereof, pressurization is not needed through a hydraulic system, but torque force is applied to a screw through a device such as a torque wrench, so that vertical pressure is applied to a material body to be processed clamped in the middle of a pressing sheet, and the pressurization effect is achieved.
Description
Technical Field
The disclosure relates to the technical field of vacuum hot pressing, in particular to a mold for vacuum hot pressing equipment and a filling method thereof.
Background
The vacuum hot pressing furnace is of a periodic operation type, and is widely applied to hot pressing sintering treatment of hard alloy, functional ceramic, powder metallurgy and the like under the conditions of high temperature and high vacuum, and can also be used for hot pressing forming sintering under the condition of inflation protection.
The working principle of the vacuum hot-pressing furnace is that a pre-formed product is placed in the furnace through a special die, air in the furnace is discharged through a vacuum pump, heating is started after the pre-set vacuum degree is reached, an external press obtains a PLC instruction after the heating is carried out to the specified temperature, a hydraulic cylinder moves downwards, the material is gradually and stably pressurized through a pressure head in a vacuum cavity in the furnace body, and after the pressurization stroke is reached, the hydraulic cylinder rapidly moves upwards through the PLC instruction and returns to the original position.
In the pressurizing process, the stable operation of a hydraulic cylinder rod and a pressure head in a vacuum cavity is required to be ensured, the self rotation and displacement deviation can not occur, otherwise, the deformation of the die in the furnace can be caused, the product is scrapped if the deformation is small, and the mechanical fault of the whole equipment can be caused if the deformation is large.
Disclosure of Invention
The disclosure provides a mold for vacuum hot-pressing equipment and a filling method thereof.
In a first aspect, the present disclosure provides a mold for vacuum hot-pressing equipment, including:
a base;
the pressing sheet is positioned above the base, and a material body to be processed is placed between the base and the pressing sheet;
the cover plate is positioned above the pressing sheet;
the first fasteners sequentially penetrate through the cover plate, the pressing sheet and the base;
a plurality of second fasteners extending through the cover plate to the press tab.
In some alternative embodiments, the second fastening member is a screw so as to fix the material body to be processed between the base and the pressing sheet at a preset torque value and reach a preset working pressure.
In some alternative embodiments, the first and second fasteners are high temperature resistant materials.
In some alternative embodiments, the first fastener has a length greater than the sum of the thicknesses of the cover plate, the press tab, and the base, and the second fastener has a length greater than the thickness of the cover plate.
In some alternative embodiments, the base has a thickness of 20mm to 40mm, the wafer has a thickness of 5mm to 20mm, and the cover plate has a thickness of 40mm to 60 mm.
In some optional embodiments, the number of the pressing sheets is at least two, and the material body to be processed is placed between the at least two pressing sheets.
In some alternative embodiments, the base, the preform, and the cover are refractory materials.
In a second aspect, the present disclosure provides a packing method comprising:
the method comprises the steps that a material body to be processed, a pressing sheet and a cover plate are sequentially stacked on a base, a plurality of first fasteners sequentially penetrate through the cover plate, the pressing sheet and the base, a plurality of second fasteners sequentially penetrate through the cover plate and the pressing sheet, and preset torque values are applied to the second fasteners to achieve preset working pressure.
In a third aspect, the present disclosure provides a method of making a composite material, the method comprising:
sequentially stacking a plurality of graphene layers/copper foils, a pressing sheet and a cover plate on a base, sequentially penetrating the cover plate, the pressing sheet and the base by using a plurality of first fasteners, sequentially penetrating the cover plate and the pressing sheet by using a plurality of second fasteners, and applying a preset torque value to the plurality of second fasteners to reach a working pressure of 20-50 Mpa so as to form a mold for vacuum hot-pressing equipment;
and placing the mold for the vacuum hot-pressing equipment in a furnace body of vacuum high-temperature equipment, and carrying out hot-pressing molding under the vacuum state, the working temperature of 700-900 ℃ and the working time of 0.5-2 h to obtain the graphene-copper composite material.
In some alternative embodiments, the first fastener comprises a plurality of screws having a nominal diameter of 10mm to 24mm and a length of 80mm to 160mm, and the second fastener comprises a plurality of screws having a nominal diameter of 8mm to 18mm and a length of 60mm to 100mm to achieve a torque of 500kg.mm to 840 kg.mm.
According to the die for the vacuum hot-pressing equipment and the filling method thereof, pressurization is not needed through a hydraulic system, but torque force is applied to a screw through a device such as a torque wrench, so that vertical pressure is applied to a material body to be processed clamped in the middle of a pressing sheet, and the pressurization effect is achieved.
Drawings
Other features, objects and advantages of the disclosure will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a mold for a vacuum hot-pressing apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a first usage state of a mold for a vacuum hot-pressing apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a second usage state of the mold for a vacuum hot-pressing apparatus according to an embodiment of the present disclosure.
Description of the symbols:
1-base, 2-cover plate, 3-pressing sheet, 4-material body to be processed, 5-first fastening piece and 6-second fastening piece.
Detailed Description
The present disclosure is described in further detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships and are only used for convenience in describing the present disclosure and simplifying the description, but 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 disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In the description of the present disclosure, it should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Fig. 1 is a schematic structural view of a mold for a vacuum hot-pressing apparatus according to an embodiment of the present disclosure. As shown in fig. 1, the mold for a vacuum hot-pressing apparatus includes a base 1, a pressing sheet, a cover 2, a first fastening member 5, and a second fastening member 6. Wherein, the pressing sheet is positioned above the base 1. The base 1 and the pressing sheet are used for placing the material body 4 to be processed. The cover plate 2 may be located above the wafer. The first fasteners 5 penetrate the cover plate 2, the pressing sheet and the base 1 in sequence. A plurality of second fasteners 6 extend through the cover plate 2 to the press tab.
In this embodiment, the corresponding connection form of the first fastening member 5 and the second fastening member 6 may be a detachable connection, so that the material body 4 to be processed can be conveniently placed and the hot-press formed material can be conveniently taken out.
In one embodiment, the second fastening member 6 may be a screw to fix the material body 4 to be processed between the base 1 and the pressing sheet at a preset torque value and to reach a preset working pressure. In practice, the number of screws and the type of screws are determined from the "operating pressure 3.14 torque/pitch" and "torque thread diameter" and the preset operating pressure.
In one embodiment, the first and second fasteners 5, 6 may be a high temperature resistant material, such as a high temperature resistant stainless steel or ceramic material. Due to the high temperature working environment, the first fastening member 5 and the second fastening member 6 can be made of high temperature resistant materials.
In one embodiment, the base 1, the sheeting, and the cover 2 may be a refractory material, such as graphite or ceramic. Because of the high temperature working environment, the base 1, the pressing sheet and the cover plate 2 can be made of high temperature resistant materials.
In one embodiment, the length of the first fastening member 5 may be greater than the sum of the thicknesses of the cover plate 2, the pressing sheet, and the base 1. In one embodiment, the length of the first fastening member 5 may be greater than the sum of the thicknesses of the cover plate 2, the pressing sheet, the material body 4 to be processed, and the base plate 1. Thereby, the cover plate 2, the pressing piece, and the base 1 can be effectively fixed together.
In one embodiment, the length of the second fastening member 6 may be greater than the thickness of the cover plate 2. It is thereby ensured that the torque forces exerted on the second fastening element 6 can be transmitted to the pressing sheet, so that a vertical pressure is exerted on the material body 4 to be processed, which is clamped between the pressing sheets.
In one embodiment, the base 1 may have a thickness of 20mm to 40mm, the pellet may have a thickness of 5mm to 20mm, and the cover 2 may have a thickness of 40mm to 60 mm.
In one embodiment, the first fastener 5 may comprise a plurality of screws having a nominal diameter of 10mm-24mm and a length of 80mm-160 mm. The second fastener 6 may comprise a plurality of screws having a nominal diameter of 8mm to 18mm and a length of 60mm to 100 mm.
In one scenario, as shown in a first usage state diagram of the mold for a vacuum hot-pressing apparatus shown in fig. 2, the number of the pressed sheets is one. The base 1 and the pressing sheet are used for placing the material body 4 to be processed.
In still another scenario, as shown in fig. 3, which is a schematic view of a second usage state of the mold for vacuum hot pressing equipment, the number of the pressed sheets is at least two. The base 1 and the pressing sheet are used for placing the material body 4 to be processed. At least two press plates can be used for placing the material body 4 to be processed. Therefore, a plurality of material bodies 4 (samples) to be processed can be placed in the die for the vacuum hot-pressing equipment by arranging the pressing sheets, and the production efficiency is improved.
The filling method corresponding to the mold for the vacuum hot-pressing equipment shown in fig. 1-3 comprises the following steps: firstly, a material body 4 to be processed, a pressing sheet 3 and a cover plate 2 are sequentially stacked on a base 1, then a plurality of first fasteners 5 sequentially penetrate through the cover plate 2, the pressing sheet 3 and the base 1, a plurality of second fasteners 6 sequentially penetrate through the cover plate 2 and the pressing sheet 3, and finally a preset torque value is applied to the second fasteners 6 to achieve preset working pressure.
According to the die for the vacuum hot-pressing equipment and the filling method thereof, pressurization is not needed through a hydraulic system, but torque force is applied to a screw through a device such as a torque wrench, so that vertical pressure is applied to a material body to be processed clamped in the middle of a pressing sheet, and the pressurization effect is achieved.
In one scenario, the graphene layer/copper foil is used as a material body to be processed, a mold for vacuum hot-pressing equipment shown in fig. 1-3 is filled, and then the mold is placed in vacuum high-temperature equipment to prepare the graphene-copper composite material. The method for preparing the graphene-copper composite material comprises the following steps:
the first step is as follows: the method comprises the steps of stacking multiple graphene layers/copper foils, a pressing sheet and a cover plate on a base in sequence, using a plurality of first fasteners to penetrate through the cover plate, the pressing sheet and the base in sequence, using a plurality of second fasteners to penetrate through the cover plate and the pressing sheet in sequence, and applying a preset torque value to the plurality of second fasteners to reach the working pressure of 20-50 Mpa so as to form the die for the vacuum hot-pressing equipment.
The second step is that: and (3) placing the mold for the vacuum hot-pressing equipment in a furnace body of the vacuum high-temperature equipment, and carrying out hot-pressing molding under the vacuum state, the working temperature of 700-900 ℃ and the working time of 0.5-2 h to obtain the graphene-copper composite material.
Example 1:
the preparation process comprises the following steps: after being stacked, 10 pieces of copper-graphene (obtained by 25-micron copper chemical vapor deposition) with the area of 100mm x 100mm are placed between a base with the thickness of 20mm and a pressing piece with the thickness of 5mm, and the upper part of the pressing piece is pressed by an upper cover plate with the thickness of 40 mm. Two sides of the device are fixed by 2M 16 x 90 screws, 10M 10 x 80mm screws are fixed, and the device is tightened by a torque wrench, and 500Kg. mm of torque value is applied to achieve 20Mpa working pressure. And (3) placing the hot-pressing device in a vacuum high-temperature furnace, introducing nitrogen to purge the air in the furnace, heating to 800 ℃, sintering, keeping the temperature for 1h, cooling and taking out a sample.
And (3) performance detection: the thickness of the sample was measured to be 0.233mm using a micrometer screw gauge, and the volume resistivity was 1.70 x 10 at 20 degrees using a four-point metal probe tester-8Ω × m. The resistivity of the sample was less than that of copper (1.7241 x 10)-8Ω · m), indicating that the conductivity of the sample is higher than copper.
Example 2:
the preparation process comprises the following steps: 100 pieces of copper-graphene (obtained by 25-micron copper chemical vapor deposition) with the area of 100mm x 100mm are stacked and placed between a base with the thickness of 30mm and a pressing piece with the thickness of 10mm, and an upper cover plate with the thickness of 40mm is used for pressing the upper part of the pressing piece. Two sides of the device are fixed by 2M 18X 100 screws, 10M 14X 80mm screws are used for fixing, and the device is tightened by a torque wrench, and working pressure of 840Kg. mm torque value 50Mpa is applied. And (3) placing the hot-pressing device in a vacuum high-temperature furnace, introducing nitrogen to purge air in the furnace, heating to 900 ℃ for sintering, preserving heat for 2 hours, cooling and taking out a sample.
And (3) performance detection: the thickness of the sample was 2.290mm as measured by a micrometer screw gauge, and the volume resistivity was 1.64 x 10 at 20 degrees using a four-point metal probe tester-8Ω × m. The resistivity of the sample was less than that of copper (1.7241 x 10)-8Ω · m), indicating that the conductivity of the sample is higher than copper.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the inventive concept as defined above. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Claims (10)
1. A mold for a vacuum hot-pressing apparatus, comprising:
a base;
the pressing sheet is positioned above the base, and a material body to be processed is placed between the base and the pressing sheet;
the cover plate is positioned above the pressing sheet;
the first fasteners sequentially penetrate through the cover plate, the pressing sheet and the base;
a plurality of second fasteners extending through the cover plate to the press tab.
2. The mold according to claim 1, wherein the second fastening member is a screw for fixing the material body to be processed between the base and the pressing sheet at a preset torque value and reaching a preset working pressure.
3. The mold of claim 1 or 2, wherein the first and second fasteners are high temperature resistant materials.
4. The mold of claim 1 or 2, wherein the first fastener has a length greater than the sum of the thicknesses of the cover plate, the pressing plate, and the base, and the second fastener has a length greater than the thickness of the cover plate.
5. The mold of claim 4, wherein the base has a thickness of 20mm to 40mm, the tablet has a thickness of 5mm to 20mm, and the cover plate has a thickness of 40mm to 60 mm.
6. The mold according to claim 1 or 2, wherein the number of the pressing sheets is at least two, and the at least two pressing sheets are used for placing the material body to be processed therebetween.
7. The mold of claim 1 or 2, wherein the base, the preform, and the cover plate are of a refractory material.
8. A method of packing, comprising:
the processing method comprises the steps that a material body to be processed, a pressing sheet and a cover plate are sequentially stacked on a base, a plurality of first fasteners sequentially penetrate through the cover plate, the pressing sheet and the base, a plurality of second fasteners sequentially penetrate through the cover plate and the pressing sheet, and preset torque values are applied to the second fasteners to achieve preset working pressure.
9. A method of making a composite material comprising:
sequentially stacking a plurality of graphene layers/copper foils, a pressing sheet and a cover plate on a base, sequentially penetrating the cover plate, the pressing sheet and the base by using a plurality of first fasteners, sequentially penetrating the cover plate and the pressing sheet by using a plurality of second fasteners, and applying a preset torque value to the plurality of second fasteners to reach a working pressure of 20-50 Mpa so as to form a mold for vacuum hot-pressing equipment;
and placing the mold for the vacuum hot-pressing equipment in a furnace body of vacuum high-temperature equipment, and carrying out hot-pressing molding under the vacuum state, the working temperature of 700-900 ℃ and the working time of 0.5-2 h to obtain the graphene-copper composite material.
10. The method of claim 9, wherein the first fastener comprises a plurality of screws having a nominal diameter of 10mm to 24mm and a length of 80mm to 160mm, and the second fastener comprises a plurality of screws having a nominal diameter of 8mm to 18mm and a length of 60mm to 100mm to achieve a torque of 500kg.mm to 840 kg.mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210049554.5A CN114506145A (en) | 2022-01-17 | 2022-01-17 | Mold for vacuum hot-pressing equipment and filling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210049554.5A CN114506145A (en) | 2022-01-17 | 2022-01-17 | Mold for vacuum hot-pressing equipment and filling method thereof |
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| CN114506145A true CN114506145A (en) | 2022-05-17 |
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| CN202210049554.5A Pending CN114506145A (en) | 2022-01-17 | 2022-01-17 | Mold for vacuum hot-pressing equipment and filling method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1733476A (en) * | 2005-05-11 | 2006-02-15 | 李一明 | Method and equipment for manufacturing composite plate |
| CN208914748U (en) * | 2018-05-03 | 2019-05-31 | 周木顺 | A kind of multi hot press trigger |
| CN110204225A (en) * | 2019-06-29 | 2019-09-06 | 泉州师范学院 | Safety glass vacuum mold press |
| CN110712415A (en) * | 2019-10-17 | 2020-01-21 | 中国科学院长春光学精密机械与物理研究所 | Connecting device and method for ceramic biscuit |
| CN212704964U (en) * | 2020-04-30 | 2021-03-16 | 南京吉纳焊接技术有限公司 | A balanced structure of exerting pressure for diffusion welding |
-
2022
- 2022-01-17 CN CN202210049554.5A patent/CN114506145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1733476A (en) * | 2005-05-11 | 2006-02-15 | 李一明 | Method and equipment for manufacturing composite plate |
| CN208914748U (en) * | 2018-05-03 | 2019-05-31 | 周木顺 | A kind of multi hot press trigger |
| CN110204225A (en) * | 2019-06-29 | 2019-09-06 | 泉州师范学院 | Safety glass vacuum mold press |
| CN110712415A (en) * | 2019-10-17 | 2020-01-21 | 中国科学院长春光学精密机械与物理研究所 | Connecting device and method for ceramic biscuit |
| CN212704964U (en) * | 2020-04-30 | 2021-03-16 | 南京吉纳焊接技术有限公司 | A balanced structure of exerting pressure for diffusion welding |
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