CN209639511U - A kind of AIN powder special-purpose high temperature whirl-sintering furnace - Google Patents
A kind of AIN powder special-purpose high temperature whirl-sintering furnace Download PDFInfo
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- CN209639511U CN209639511U CN201822211651.1U CN201822211651U CN209639511U CN 209639511 U CN209639511 U CN 209639511U CN 201822211651 U CN201822211651 U CN 201822211651U CN 209639511 U CN209639511 U CN 209639511U
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- crucible
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Abstract
The utility model discloses a kind of AIN powder special-purpose high temperature whirl-sintering furnaces, furnace body is arranged on grate, rotation crucible is set in furnace body, crucible cover is equipped with gas vent, it rotates the crucible other side and is equipped with air inlet, and it is connected with transmission mechanism, stepper motor drives transmission shaft rotation, transmission shaft is equipped with axial socket close to rotation crucible side, it rotates crucible and is equipped with joining of graphite axis, the first air inlet pipe is equipped in the joining of graphite axis, transmission shaft is connected with joining of graphite axis, first air inlet pipe inserts in axial socket, the first radial through-hole and the second radial through-hole to match is respectively equipped on transmission shaft and the first air inlet pipe, the gas outlet of second air inlet pipe is located at the first radial through-hole side, furnace body is connected to vacuum mechanism, and it is connect with electric-control system, the utility model drives rotation crucible to carry out under rotation condition by transmission mechanism High temperature sintering is sintered high-efficient；Transmission mechanism is directly connected with rotation crucible, avoids the loss of kinetic energy caused by being driven by roller bearing.
Description
Technical field
The utility model relates to high temperature sintering furnace technical field more particularly to a kind of AIN powder special-purpose high temperature whirl-sintering furnaces.
Background technique
Dusty material sintering furnace is a kind of common vacuum heat treatment equipment, by universal in dusty material sintering process
It uses, dusty material is sintered in order to make the transition to material structure, crystal grain under high temperature and atmosphere protective condition, and
Form ultra tiny dusty material.
In the prior art, pyrographite furnace is only made as a kind of general dusty material agglomerating plant, common calandria
It for the side of dusty material, causes dusty material local heating uniformity poor, it is uneven to have the defects that heating, and work as powder
At the end of material is sintered, the natural cooling under high-temperature, speed is slower, and cooling uniformity is poor, affects working efficiency；In furnace
It can not be stirred in sintering process, it can not be sufficiently mixed with protective atmosphere.
Utility model content
The purpose of this utility model is to provide a kind of AIN powder special-purpose high temperature whirl-sintering furnaces, are driven by transmission mechanism
Rotation crucible carries out high temperature sintering under rotation condition, and heating uniformity is good under stiring for dusty material, is sintered high-efficient；Transmission
Mechanism is directly connected with rotation crucible, improves kinetic energy transmission efficiency, avoids the loss of kinetic energy caused by being driven by roller bearing.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of AIN powder special-purpose high temperature whirl-sintering
Furnace, including grate, furnace body, rotation crucible, transmission mechanism, vacuum mechanism, air-channel system and electric-control system, the furnace body setting exist
On grate, which is horizontal barrel-like structure, and one side has fire door, and the rotation crucible is rotatably set in furnace body,
The rotation crucible has barrel-like structure, is equipped with crucible cover close to the side of fire door, the crucible cover is equipped with gas vent, described
The opposite side for being located at crucible cover on crucible is rotated equipped with air inlet, which is connected with transmission mechanism, the transmission mechanism
Including stepper motor, retarder, driving chain and transmission shaft, the stepper motor is arranged on grate, and output end, which is equipped with, to be subtracted
Fast device, the retarder drive transmission shaft by driving chain, and the transmission shaft is equipped with axial insert close to the side of rotation crucible
Slot, the rotation crucible are equipped with joining of graphite axis close to the side of transmission shaft, are equipped in the joining of graphite axis and axially penetrate through it
Body and the first air inlet pipe being connected with air inlet, the transmission shaft are connected with joining of graphite axis, the first air inlet pipe inserting
Enter in axial socket, the first radial through-hole to match is respectively equipped on the transmission shaft and the first air inlet pipe and the second radial direction is logical
Hole, the side that the gas outlet of the second air inlet pipe is located at the first radial through-hole on the air-channel system are used for into the first radial through-hole
It supplies gas, the furnace body is connected to vacuum mechanism, and is connect with the control cabinet of electric-control system and power distribution cabinet electric signal.
As further optimization, the furnace body includes furnace shell, fire door, heat screen and heater, the heat screen setting
Between furnace shell and rotation crucible, the heater cartridge is fitted over inside heat screen, and is electrically connected with electrode.
As further optimization, the heat screen, heater, rotation crucible are high purity graphite material, the heat screen
Rectangular parallelepiped structure is assembled into using the hard felt of graphite.
As further optimization, the furnace shell has double-walled water-cooling structure, which, which is equipped with, vacuumizes interface, exhaust
Interface, thermocouple and observation window.
As further optimization, support base is equipped in the furnace body, support base upper end two sides are equipped with roller bearing, described
Rotation crucible is rotatably arranged on roller bearing.
As further optimization, the transmission mechanism and furnace body are equipped with a pair of bearings, and the transmission shaft is rotatable
It is set in a pair of bearings, first radial through-hole is between a pair of bearings.
As further optimization, the outside on the transmission shaft between a pair of bearings is equipped with cooling jacket, described
Second air inlet pipe protrudes into cooling jacket and extends to the first radial through-hole side.
As further optimization, the outside that cooling jacket is located on the transmission shaft is equipped with bellow seal pipe.
Compared with prior art, the utility model have it is below the utility model has the advantages that
1. driving rotation crucible to carry out high temperature sintering under rotation condition by transmission mechanism, and pass through the rotation pair of crucible
Powder body material in crucible is stirred mixing, and heating uniformity is good under stiring for dusty material, and stirring cooling velocity is fast, cooling
Uniformity is good, is sintered high-efficient；
2. transmission mechanism is directly connected with rotation crucible, kinetic energy transmission efficiency is improved, avoids and is made by roller bearing transmission
At kinetic energy be lost.
Detailed description of the invention
Fig. 1 is the front view schematic diagram of the utility model.
Fig. 2 is the side view schematic diagram of the utility model.
Fig. 3 is the enlarged drawing in Fig. 2 at A.
In figure, 1. grates；2. furnace body；3. rotating crucible；4. transmission mechanism；5. vacuum mechanism；21. furnace shell；22. fire door；
23. heat screen；24. heater；25. support base；26. roller bearing；31. crucible cover；32. gas vent；33. air inlet；34. graphite
Connecting shaft；35. the first air inlet pipe；36. the second radial through-hole；41. stepper motor；42. retarder；43. driving chain；44. passing
Moving axis；45. bearing；46. cooling jacket；47. bellow seal pipe；61. control cabinet；62. power distribution cabinet；71. the second air inlet pipe.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 3, a kind of AIN powder special-purpose high temperature whirl-sintering furnace, including grate 1, furnace body 2, rotation crucible
3, transmission mechanism 4, vacuum mechanism 5, air-channel system and electric-control system, furnace body 2 are arranged on grate 1, which is horizontal tubbiness
Structure, one side have fire door 22, and rotation crucible 3 is rotatably set in furnace body 2, which has barrel-like structure,
It is equipped with crucible cover 31 close to the side of fire door 22, and crucible cover 31 is equipped with gas vent 32, rotates and is located at crucible cover 31 on crucible 3
Opposite side be equipped with air inlet 33, which is connected with transmission mechanism 4, and transmission mechanism 4 includes stepper motor 41, deceleration
Device 42, driving chain 43 and transmission shaft 44, stepper motor 41 are arranged on grate 1, and output end is equipped with retarder 42, retarder
42 drive transmission shaft 44 by driving chain 43, and transmission shaft 44 is equipped with axial socket close to the side of rotation crucible 3, rotates crucible
3 are equipped with joining of graphite axis 34 close to the side of transmission shaft 44, be equipped in the joining of graphite axis 34 axially penetrate through its ontology and with into
The first air inlet pipe 35 that stomata 33 is connected, transmission shaft 44 are connected with joining of graphite axis 34, and the first air inlet pipe 35 is inserted into axial direction
In slot, it is respectively equipped with the first radial through-hole to match and the second radial through-hole 36 in transmission shaft 44 and the first air inlet pipe 35,
The side that the gas outlet of the second air inlet pipe 71 is located at the first radial through-hole on air-channel system is used to supply gas into the first radial through-hole,
Furnace body 2 is connected to vacuum mechanism 5, and is connect with the control cabinet of electric-control system 61 and 62 electric signal of power distribution cabinet.
Furnace body 2 includes furnace shell 21, fire door 22, heat screen 23 and heater 24, and heat screen 23 is set to furnace shell 21 and rotation
Between crucible 3, heater 24 is assemblied in inside heat screen 23, and is electrically connected with electrode.
Heat screen 23, heater 24, rotation crucible 3 are high purity graphite material, and heat screen 23 is assembled into using the hard felt of graphite
Rectangular parallelepiped structure, heater point or so two panels heater.
Furnace shell 21 has double-walled water-cooling structure, and inside and outside wall and flange are stainless steel, band cooling trough in flange, in furnace shell
Surface polishing, the furnace shell 21 are equipped with and vacuumize interface, exhaust port, thermocouple and observation window.
Support base 25 is equipped in furnace body 2,25 upper end two sides of support base are equipped with roller bearing 26, rotate the rotatable setting of crucible 3
In on roller bearing 26.
Transmission mechanism 4 and furnace body 2 are equipped with a pair of bearings 45, and transmission shaft 44 is rotatably set in a pair of bearings 45,
First radial through-hole is between a pair of bearings 45.
Outside on transmission shaft 44 between a pair of bearings 45 is equipped with cooling jacket 46, and the second air inlet pipe 71 protrudes into cooling
In collet 46 and extend to the first radial through-hole side.
Bellow seal pipe 47 is equipped with positioned at the outside of cooling jacket 46 on transmission shaft 44.
Vacuum mechanism 5 includes the cap of high-vacuum baffle valve such as 2X-70 mechanical pump, GDQ-80, GDQ-25, GD-16, solenoid valve, ash
Dirt collection device and it is slow take out loop sets, first run when being vacuumized in furnace it is slow draw back distance and can effectively reduce raw material powder in furnace generate ash
Dirt, and have device for filtering and collecting, prevent pollution main line and mechanical pump；Air-channel system is by oil sprayer, oil water separator, pressure
Table, solenoid valve, pipeline and wait composition；Exhaust is filled by electric gas-filled valve, pressure sensor, flowmeter, reset valve, pressure gauge, electricity
The compositions such as dynamic control valve, pipeline are, it can be achieved that automatic/hand is inflated and exhaust, and furnace pressure can be maintained a certain range of certainly
It is dynamic to adjust；Electric-control system by electric control cabinet, touch screen integrated machine, FP23 temperature controller, pressure regulator, digital display vacuum meter, OMRON,
The composition such as PLC, armouring thermocouple, by armouring W-Re thermocouple thermometric, the control heating of FP23 intelligent temperature control instrument, temperature is controlled by FP23
Intelligent temperature control instrument come complete with PID adjust and self-setting function, can 20 curves of memory, every 20 sections of curve, temperature-controlled precision
± 0.1%F S；Fully automatic operation can be achieved in this system since charging, has program self-locking between vacuum, water, gas and electricity, presses
Capable of emitting alarm as the case may be when having exception in program operation process, and parking, guarantee equipment safety operation.Have simultaneously
Manual operation function.
Working principle:
Fire door 22 and crucible cover 31 are successively opened, powder is stacked in rotation crucible 3, closing crucible lid 31 and fire door
22, starting vacuum mechanism 5 vacuumizes furnace body 2, starts electric-control system and air-channel system, and transmission mechanism 4 drives rotation crucible 3 to exist
It is rotated on roller bearing 26, air-channel system send gas to the second air inlet pipe 71, is delivered in cooling jacket 46, radial by first
Through-hole and the second radial through-hole 36 enter in the first air inlet pipe 35, and gas enters in rotation crucible 3 along the first air inlet pipe 35, heating
24 pairs of rotation crucibles 3 of device heat, and carry out high temperature sintering to the powder in rotation crucible 3.
It drives rotation crucible 3 to carry out high temperature sintering under rotation condition by transmission mechanism 4, and passes through rotation crucible 3
Rotation is stirred mixing to the powder body material in crucible, and heating uniformity is good under stiring for dusty material, while stirring cooling
Speed is fast, and cooling uniformity is good, is sintered high-efficient；Transmission mechanism 4 is directly connected with rotation crucible 3, improves kinetic energy transmitting effect
Rate avoids kinetic energy caused by being driven by roller bearing 26 and is lost.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of AIN powder special-purpose high temperature whirl-sintering furnace, which is characterized in that including grate (1), furnace body (2), rotation crucible (3),
Transmission mechanism (4), vacuum mechanism (5), air-channel system and electric-control system, the furnace body (2) are arranged on grate (1), the furnace body
It (2) is horizontal barrel-like structure, one side has fire door (22), and the rotation crucible (3) is rotatably set in furnace body (2),
The rotation crucible (3) has barrel-like structure, crucible cover (31) is equipped with close to the side of fire door (22), on the crucible cover (31)
Equipped with gas vent (32), the opposite side that crucible cover (31) are located on rotation crucible (3) is equipped with air inlet (33), the rotation earthenware
Crucible (3) is connected with transmission mechanism (4), and the transmission mechanism (4) includes stepper motor (41), retarder (42), driving chain
(43) it is arranged on grate (1) with transmission shaft (44), the stepper motor (41), output end is equipped with retarder (42), described
Retarder (42) is by driving chain (43) driving transmission shaft (44), and the transmission shaft (44) is close to the side of rotation crucible (3)
Equipped with axial socket, rotation crucible (3) is equipped with joining of graphite axis (34) close to the side of transmission shaft (44), the joining of graphite
The first air inlet pipe (35) for axially penetrating through its ontology and being connected with air inlet (33), the transmission shaft (44) are equipped in axis (34)
It is connected with joining of graphite axis (34), first air inlet pipe (35) inserts in axial socket, the transmission shaft (44) and first
The first radial through-hole to match and the second radial through-hole (36) are respectively equipped in air inlet pipe (35), second on the air-channel system
The side that the gas outlet of air inlet pipe (71) is located at the first radial through-hole is used to supply gas into the first radial through-hole, the furnace body (2)
It is connected to vacuum mechanism (5), and is connect with the control cabinet of electric-control system (61) and power distribution cabinet (62) electric signal.
2. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 1, which is characterized in that the furnace body (2) includes furnace
Shell (21), fire door (22), heat screen (23) and heater (24), the heat screen (23) are set to furnace shell (21) and rotation crucible
(3) between, it is internal that the heater (24) is assemblied in heat screen (23), and is electrically connected with electrode.
3. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 2, which is characterized in that the heat screen (23) adds
Hot device (24), rotation crucible (3) are high purity graphite material, and the heat screen (23) is assembled into cuboid knot using the hard felt of graphite
Structure.
4. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 2, which is characterized in that the furnace shell (21) has
Double-walled water-cooling structure, the furnace shell (21) are equipped with and vacuumize interface, exhaust port, thermocouple and observation window.
5. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 1, which is characterized in that be equipped in the furnace body (2)
Support base (25), support base (25) the upper end two sides are equipped with roller bearing (26), and the rotation crucible (3) is rotatably arranged on rolling
On axis (26).
6. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 1, which is characterized in that the transmission mechanism (4) and
Furnace body (2) is equipped with a pair of bearings (45), and the transmission shaft (44) is rotatably set in a pair of bearings (45), and described first
Radial through-hole is located between a pair of bearings (45).
7. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 6, which is characterized in that on the transmission shaft (44)
Outside between a pair of bearings (45) is equipped with cooling jacket (46), and second air inlet pipe (71) protrudes into cooling jacket (46)
It is interior and extend to the first radial through-hole side.
8. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 7, which is characterized in that on the transmission shaft (44)
Bellow seal pipe (47) are equipped with positioned at the outside of cooling jacket (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211651.1U CN209639511U (en) | 2018-12-27 | 2018-12-27 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211651.1U CN209639511U (en) | 2018-12-27 | 2018-12-27 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
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| CN209639511U true CN209639511U (en) | 2019-11-15 |
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| CN201822211651.1U Active CN209639511U (en) | 2018-12-27 | 2018-12-27 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458840A (en) * | 2018-12-27 | 2019-03-12 | 苏州楚翰真空科技有限公司 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
-
2018
- 2018-12-27 CN CN201822211651.1U patent/CN209639511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458840A (en) * | 2018-12-27 | 2019-03-12 | 苏州楚翰真空科技有限公司 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
| CN109458840B (en) * | 2018-12-27 | 2024-04-19 | 苏州楚翰真空科技有限公司 | Special high-temperature rotary sintering furnace for AIN powder |
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