CN108489260A - Hot-pressing sintering device - Google Patents
Hot-pressing sintering device Download PDFInfo
- Publication number
- CN108489260A CN108489260A CN201810548800.5A CN201810548800A CN108489260A CN 108489260 A CN108489260 A CN 108489260A CN 201810548800 A CN201810548800 A CN 201810548800A CN 108489260 A CN108489260 A CN 108489260A
- Authority
- CN
- China
- Prior art keywords
- hot pressed
- sintering device
- pressed sintering
- heating element
- top plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 50
- 238000007731 hot pressing Methods 0.000 title abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims description 13
- 238000004321 preservation Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000011343 solid material Substances 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention discloses a hot-pressing sintering device, which comprises a bottom plate, a top plate, a connecting piece connected between the bottom plate and the top plate, a vacuum cavity arranged between the bottom plate and the top plate, a lower support arranged on the bottom plate, a lower pressure plate arranged at the top end of the lower support, a lower heating element arranged in the lower pressure plate, an upper pressure rod arranged above the lower support in a vertically movable manner, an upper pressure plate arranged at the bottom end of the upper pressure rod, an upper heating element arranged in the upper pressure plate, and a driving mechanism arranged on the top plate and used for driving the upper pressure rod to move vertically, wherein the lower support and the upper pressure rod are both arranged in the vacuum cavity in a penetrating manner, and the hot-pressing sintering. According to the hot-pressing sintering device, materials are heated and transferred through the pressing surface, so that the temperature uniformity is high; for the hot-pressing sintering of two different solid materials, the temperatures of the two heating elements can be respectively controlled according to the heat conductivity coefficients of the two heating elements, so that the temperatures transmitted to the contact surfaces of the two materials are kept the same, and the quality performance of the hot-pressing sintering material is effectively guaranteed.
Description
Technical field
The present invention relates to material hot pressing and sintering technique field, more particularly to a kind of hot pressed sintering device.
Background technology
In material hot pressing and sintering technique, when two kinds of solid materials are sintered together or powder body material sinters block into, need
The material being sintered is suppressed, while also need to carry out heating firing to it.In order to ensure that the property of material is fired in hot pressing
It can, it is necessary to assure pressure is precisely constant, temperature is uniform.
In the prior art, since the factors such as mechanism deformation, hydraulic pressure leakage tend not to ensure the accurate constant of pressure；Heating
Mode generally uses periphery heat form, it cannot be guaranteed that the temperature uniformity of material is fired in hot pressing, thus severely impacts
It is hot pressed quality, the performance for firing material.
Invention content
The object of the present invention is to provide a kind of hot pressed sintering devices, during capable of ensureing hot pressed sintering, the temperature of material
Uniformity is higher；For the hot pressed sintering of two kinds of different solid materials, two heating can be controlled respectively according to its thermal coefficient
The temperature of element makes it be transferred to the temperature of two kinds of material contacting surfaces and keeps identical, effectively ensured hot pressed sintering material
Capability and performance.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of hot pressed sintering device, including bottom plate, top plate, the connector being connected between the bottom plate and the top plate, be set to
Vacuum cavity between the bottom plate and the top plate, the lower supporting rod on the bottom plate, set on lower supporting rod top
Pressing disc, the up and down upperpush rod being set to above the lower supporting rod, is set to the lower heating element in the pressing disc
The upper platen for being used to that the pressing disc to be coordinated to press material of the upperpush rod bottom end, the upper heating in the upper platen
Element, the driving mechanism for driving the upperpush rod up and down on the top plate, the lower supporting rod, the upper pressure
Bar is arranged in the vacuum cavity；
The hot pressed sintering device has the first operating position and the second operating position；
When the hot pressed sintering device is in the first operating position, the top plate is located at the top of the bottom plate；
When the hot pressed sintering device is in the second operating position, the bottom plate is located at the top of the top plate.
Preferably, the upper heating element and the lower heating element are plate-like heating element.
Preferably, the lower supporting rod, the pressing disc, the upperpush rod, the upper platen coaxially extend, and axial line is equal
Vertically it is distributed.
Preferably, the hot pressed sintering device further includes the auxiliary heating mechanism being set in the vacuum cavity.
It is highly preferred that the auxiliary heating mechanism include the heat preservation chassis being located on the lower supporting rod, be located on it is described
On upperpush rod it is used to that the heat preservation chassis to be coordinated to be enclosed the insulation cover cylinder of heat-insulated cavity, be located on the upperpush rod
Heating mantles cylinder, the auxiliary heating mantles cylinder is assisted to be located in the insulation cover cylinder, the upper heating element and the lower heating unit
Part is respectively positioned in the heat-insulated cavity.
It is further preferred that the insulation cover cylinder supports when being set to the heat preservation chassis, the auxiliary heating mantles cylinder ring is set
It is not higher than the top of the lower supporting rod in the bottom of the outside circumference of material, the auxiliary heating mantles cylinder.
Preferably, the driving mechanism include the pressure machine base being set on the top plate, it is up and down be set to it is described
Press rods, both ends in pressure machine base are connected to the elasticity between the press rods bottom end and the upperpush rod top respectively
Part.
It is highly preferred that the driving mechanism further includes the pressure sensing being set between the press rods and the elastic component
Device, the driving mechanism, the pressure signal for being fed back according to the pressure sensor control the pressure that the press rods apply.
It is highly preferred that the upperpush rod includes being opened in blind hole therein, the opening of the blind hole is located at the upperpush rod
Top, the driving mechanism further includes set on the press rods bottom end and up and down being arranged in leading in the blind hole
To axis, the press rods, the guiding axis, the blind hole, the upperpush rod coaxially extend, and axial line vertically divides
Cloth.
It is further preferred that the elastic component is the compression spring being sheathed on the guiding axis.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：A kind of heat of the present invention
Pressure sintering equipment is directly transmitted the heating of material, energy by the way that heating element is arranged on platen by the contact surface of pressing
During enough ensureing hot pressed sintering, the temperature uniformity of material is higher；It is right by the way that heating element is respectively set on two platens
In the hot pressed sintering of two kinds of different solid materials, the temperature of two heating elements can be controlled respectively according to its thermal coefficient, made
It is transferred to the temperature of two kinds of material contacting surfaces and keeps identical, has effectively ensured the capability and performance of hot pressed sintering material.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of apparatus of the present invention.
Wherein：1, bottom plate；2, top plate；3, connector；4, vacuum cavity；5, lower supporting rod；6, pressing disc；7, lower heating unit
Part；8, upperpush rod；9, upper platen；10, upper heating element；11, chassis is kept the temperature；12, insulation cover cylinder；13, heating mantles cylinder is assisted；
14, pressure machine base；15, press rods；16, compression spring；17, guiding axis；18, pressure sensor.
Specific implementation mode
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
It is shown in Figure 1, a kind of above-mentioned hot pressed sintering device, including bottom plate 1, top plate 2, be connected to bottom plate 1 and top plate 2 it
Between connector 3, bottom plate 1, top plate 2 and connector 3 constitute installation frame.
The hot pressed sintering device further includes set on the vacuum cavity 4 between bottom plate 1 and top plate 2, the lower branch on bottom plate 1
Column 5, set on the pressing disc 6 on 5 top of lower supporting rod, the lower heating element 7 in pressing disc 6, up and down be set to lower supporting rod 5
The upperpush rod 8 of top, set on 8 bottom end of upperpush rod for coordinating upper platen 9 that pressing disc 6 press to material, set on upper platen 9
In upper heating element 10.The middle and upper part of lower supporting rod 5 is fixed to be arranged in vacuum cavity 4, pressing disc 6 and lower heating element 7
In vacuum cavity 4；The middle and lower part of upperpush rod 8 is movable to be arranged in vacuum cavity 4, upper platen 9 and upper heating element 10
In vacuum cavity 4.In the present embodiment, upper heating element 10 and lower heating element 7 are plate-like heating element, pass through this
A structure is more uniformly distributed the heat conduction of upper platen 9 and pressing disc 6.In the present embodiment, lower supporting rod 5, pressing disc 6, upperpush rod 8,
Upper platen 9 coaxially extends, and axial line is vertically distributed.
By the way that upper heating element 10 and lower heating element 7 are respectively set on upper platen 9 and pressing disc 6, material is added
Heat is directly transmitted by the contact surface of pressing, and during capable of ensureing hot pressed sintering, the temperature uniformity of material is higher；Pass through
Upper heating element 10 and lower heating element 7 are respectively set on upper platen 9 and pressing disc 6, for two kinds of different solid materials
Hot pressed sintering can control the temperature of two heating elements respectively according to its thermal coefficient, it is made to be transferred to two kinds of materials
The temperature in face keeps identical, has effectively ensured the capability and performance of hot pressed sintering material.
The hot pressed sintering device further includes the auxiliary heating mechanism being set in vacuum cavity 4.The auxiliary heating mechanism includes
The heat preservation chassis 11 being located on lower supporting rod 5, the cooperation heat preservation chassis 11 that is used for being located on upperpush rod 8 are enclosed incubation cavity
The insulation cover cylinder 12 of body, the auxiliary heating mantles cylinder 13 being located on upperpush rod 8, auxiliary heating mantles cylinder 13 are located at insulation cover cylinder 12
In.When upperpush rod 8 moves downward, until insulation cover cylinder 12 supports when being set on heat preservation chassis 11, insulation cover cylinder 12 and heat preservation chassis
Heat-insulated cavity is enclosed between 11.Upper heating element 10 and lower heating element 7 are located in the heat-insulated cavity；Keep the temperature chassis 11
Less than lower heating element 7, and 12 highest point of insulation cover cylinder is then higher than upper heating element 10.The auxiliary heating mantles cylinder 13 is located on object
The outside circumference of material, for carrying out auxiliary heating to material from periphery.In order to make material periphery be heated evenly, the auxiliary heating mantles
The bottom of cylinder 13 is not higher than the top of lower supporting rod 5.By the way that vacuum cavity 4 and auxiliary heating mechanism is arranged, can realize prevents dirt
The purpose of dye and heat preservation.
The hot pressed sintering device further includes the driving mechanism for driving upperpush rod 8 up and down being set on top plate 2.
In the present embodiment, driving mechanism includes being set to the pressure machine base 14 on top plate 2, up and down being set in pressure machine base 14
Press rods 15, both ends be connected to the elastic component between 8 top of 15 bottom end of press rods and upperpush rod respectively.By the way that the elasticity is arranged
Part, in the initially pressure stage, compression spring 16 plays the role of buffering and gentle pressure, after reaching setting pressure, compression spring
16 play the role of pressurize voltage stabilizing.In the present embodiment, upperpush rod 8 includes being opened in blind hole therein, and the opening of blind hole is located at
The top of upperpush rod 8.Driving mechanism further includes being connected to the guiding axis 17 of 15 bottom end of press rods, and the guiding axis 17 is up and down
It is arranged in the blind hole, there are gaps between the bottom end of guiding axis 17 and the bottom end of blind hole.In the present embodiment, press rods 15,
Guiding axis 17, blind hole, upperpush rod 8 coaxially extend, and axial line is vertically distributed；Elastic component is to be sheathed on guiding axis 17
On compression spring 16.
In the present embodiment, driving mechanism further includes the pressure sensor 18 being set between press rods 15 and elastic component.It drives
The pressure that motivation structure is used to be applied according to the pressure signal control pressure bar 15 that pressure sensor 18 is fed back.It is passed by the way that pressure is arranged
Sensor 18 can ensure to apply material precisely constant pressure, to ensure that the performance of material is fired in hot pressing.
The hot pressed sintering device has the first operating position and the second operating position：The hot pressed sintering device is in the first work
When making position, top plate 2 is located at the top of bottom plate 1, and upperpush rod 8 is located at the top of lower supporting rod 5；The hot pressed sintering device is in second
When operating position, bottom plate 1 is located at the top of top plate 2, and lower supporting rod 5 is located at the top of upperpush rod 8, i.e. the hot pressed sintering device can be with
Whole turned upside down uses.The hot pressed sintering device of the present embodiment description is operated in the first operating position.
The course of work of lower the present embodiment is illustrated in detail below：
When work, press rods 15 drive upperpush rod 8 to be lifted up by compression spring 16, by insulation cover cylinder 12 and auxiliary heating mantles
Cylinder 13, which synchronizes, to be lifted；Material is placed on pressing disc 6, press rods 15 decline, and upper platen 9 coordinates pressing disc 6 to compress material；This
When, form closed heat-insulated cavity between insulation cover cylinder 12 and heat preservation chassis 11；Pass through upper heating element 10, lower heating element 7
The stitching surface of material and peripheral side are evenly heated respectively with auxiliary heating mantles cylinder 13；To the end of hot-pressing sintering technique
Afterwards, lift press rods 15, take out the material after pressing.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be implemented, and it is not intended to limit the scope of the present invention, all according to the present invention
Equivalent change or modification made by Spirit Essence should all cover within the scope of the present invention.
Claims (10)
1. a kind of hot pressed sintering device, it is characterised in that：Including bottom plate, top plate, it is connected between the bottom plate and the top plate
Connector, the vacuum cavity between the bottom plate and the top plate, the lower supporting rod on the bottom plate, be set to it is described
The pressing disc on lower supporting rod top, up and down is set to above the lower supporting rod the lower heating element in the pressing disc
Upperpush rod, set on the upperpush rod bottom end for coordinating upper platen that the pressing disc press to material, set on described
Upper heating element in platen, the driving mechanism for driving the upperpush rod up and down on the top plate, it is described
Lower supporting rod, the upperpush rod are arranged in the vacuum cavity；
The hot pressed sintering device has the first operating position and the second operating position；
When the hot pressed sintering device is in the first operating position, the top plate is located at the top of the bottom plate；
When the hot pressed sintering device is in the second operating position, the bottom plate is located at the top of the top plate.
2. a kind of hot pressed sintering device according to claim 1, it is characterised in that：The upper heating element and it is described lower plus
Thermal element is plate-like heating element.
3. a kind of hot pressed sintering device according to claim 1, it is characterised in that：The lower supporting rod, the pressing disc, institute
State upperpush rod, the upper platen coaxially extends, axial line is vertically distributed.
4. a kind of hot pressed sintering device according to claim 1, it is characterised in that：The hot pressed sintering device further includes setting
Auxiliary heating mechanism in the vacuum cavity.
5. a kind of hot pressed sintering device according to claim 4, it is characterised in that：The auxiliary heating mechanism includes that ring is set
In on the lower supporting rod heat preservation chassis, be located on the upperpush rod for coordinating the heat preservation chassis to be enclosed heat preservation
The insulation cover cylinder of cavity, the auxiliary heating mantles cylinder being located on the upperpush rod, the auxiliary heating mantles cylinder are located at the heat preservation
In cover cylinder, the upper heating element and the lower heating element are respectively positioned in the heat-insulated cavity.
6. a kind of hot pressed sintering device according to claim 5, it is characterised in that：The insulation cover cylinder, which supports, is set to the guarantor
When warm chassis, the auxiliary heating mantles cylinder is located on the outside circumference of material, and the bottom of the auxiliary heating mantles cylinder is not higher than institute
State the top of lower supporting rod.
7. a kind of hot pressed sintering device according to claim 1, it is characterised in that：The driving mechanism includes set on described
Described in pressure machine base on top plate, the up and down press rods being set in the pressure machine base, both ends are connected to respectively
Elastic component between press rods bottom end and the upperpush rod top.
8. a kind of hot pressed sintering device according to claim 7, it is characterised in that：The driving mechanism further includes being set to institute
State the pressure sensor between press rods and the elastic component, the driving mechanism, for being fed back according to the pressure sensor
Pressure signal control the pressure that the press rods apply.
9. a kind of hot pressed sintering device according to claim 7, it is characterised in that：The upperpush rod includes being opened in wherein
Blind hole, the blind hole opening positioned at the upperpush rod top, the driving mechanism further include be set to the press rods bottom
End and the up and down guiding axis being arranged in the blind hole, it is the press rods, the guiding axis, the blind hole, described
Upperpush rod coaxially extends, and axial line is vertically distributed.
10. a kind of hot pressed sintering device according to claim 9, it is characterised in that：The elastic component is described to be sheathed on
Compression spring on guiding axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548800.5A CN108489260A (en) | 2018-05-31 | 2018-05-31 | Hot-pressing sintering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810548800.5A CN108489260A (en) | 2018-05-31 | 2018-05-31 | Hot-pressing sintering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108489260A true CN108489260A (en) | 2018-09-04 |
Family
ID=63350846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810548800.5A Pending CN108489260A (en) | 2018-05-31 | 2018-05-31 | Hot-pressing sintering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108489260A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086093A (en) * | 2019-11-26 | 2020-05-01 | 韶关赛普超硬材料科技有限公司 | Two-way high pressure hot pressing sintering graphite is equipped |
| CN112071775A (en) * | 2020-08-14 | 2020-12-11 | 深圳第三代半导体研究院 | Sintering equipment for packaging power device |
| CN117928225A (en) * | 2023-02-21 | 2024-04-26 | 南京华之锦装饰工程有限公司 | Intermediate frequency electric furnace for casting engineering machinery bucket teeth |
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| CN101352792A (en) * | 2008-07-24 | 2009-01-28 | 泉州众志金刚石工具有限公司 | Method for producing diamond tool head |
| CN202911179U (en) * | 2012-11-29 | 2013-05-01 | 姚冬杰 | Tablet press |
| CN203810898U (en) * | 2014-04-16 | 2014-09-03 | 昆明理工大学 | Microwave vacuum hot pressing furnace |
| CN204366036U (en) * | 2014-12-11 | 2015-06-03 | 昆明理工大学 | A kind of microwave hot-press sintering furnace heat-insulated cavity |
| CN206465506U (en) * | 2017-02-21 | 2017-09-05 | 成都超纯应用材料有限责任公司 | Bidirectional hot press stove |
| CN108788159A (en) * | 2018-07-17 | 2018-11-13 | 太原理工大学 | A kind of ultrasonic wave auxiliary hot-pressed sintering furnace |
| CN208238518U (en) * | 2018-05-31 | 2018-12-14 | 江苏星特亮科技有限公司 | Hot-pressing sintering device |
-
2018
- 2018-05-31 CN CN201810548800.5A patent/CN108489260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352792A (en) * | 2008-07-24 | 2009-01-28 | 泉州众志金刚石工具有限公司 | Method for producing diamond tool head |
| CN202911179U (en) * | 2012-11-29 | 2013-05-01 | 姚冬杰 | Tablet press |
| CN203810898U (en) * | 2014-04-16 | 2014-09-03 | 昆明理工大学 | Microwave vacuum hot pressing furnace |
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| CN206465506U (en) * | 2017-02-21 | 2017-09-05 | 成都超纯应用材料有限责任公司 | Bidirectional hot press stove |
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| CN108788159A (en) * | 2018-07-17 | 2018-11-13 | 太原理工大学 | A kind of ultrasonic wave auxiliary hot-pressed sintering furnace |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086093A (en) * | 2019-11-26 | 2020-05-01 | 韶关赛普超硬材料科技有限公司 | Two-way high pressure hot pressing sintering graphite is equipped |
| CN111086093B (en) * | 2019-11-26 | 2021-11-30 | 韶关赛普超硬材料科技有限公司 | Two-way high pressure hot pressing sintering graphite is equipped |
| CN112071775A (en) * | 2020-08-14 | 2020-12-11 | 深圳第三代半导体研究院 | Sintering equipment for packaging power device |
| CN117928225A (en) * | 2023-02-21 | 2024-04-26 | 南京华之锦装饰工程有限公司 | Intermediate frequency electric furnace for casting engineering machinery bucket teeth |
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