CN209520364U - A kind of metal powder metallurgy technique vacuum sintering furnace - Google Patents
A kind of metal powder metallurgy technique vacuum sintering furnace Download PDFInfo
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- CN209520364U CN209520364U CN201822136672.1U CN201822136672U CN209520364U CN 209520364 U CN209520364 U CN 209520364U CN 201822136672 U CN201822136672 U CN 201822136672U CN 209520364 U CN209520364 U CN 209520364U
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Abstract
The utility model discloses a kind of metal powder metallurgy technique vacuum sintering furnaces, including furnace body and hermatic door, the inside of furnace body is placed with multi-layer sintering frame, the intracorporal top of furnace is equipped with heating tube, bottom is equipped with lower heating tube, multiple thermovents are provided on the side wall of upper heating tube and lower heating tube, having heaters is set on the outer wall of furnace body, heater is connected to by heat-transfer pipe with upper heating tube and lower heating tube, the intracorporal each vertex of furnace is mounted on blower, exhaust pipe is provided on the side wall of furnace body, the end of exhaust pipe is connected with exhaust purifier, the outlet of exhaust purifier is connected with evacuated tube；Multi-layer sintering frame includes the rectangle rack being linked to be by four telescopic masts and holds frame, and telescopic mast includes fixed link and slide bar, holds frame and is sleeved on slide bar by sliding sleeve.The utility model not only can guarantee that the sintering temperature in furnace body is uniform, but also can the exhaust gas of sintering be purified and be degraded, while can improve the functionality of sintering frame.
Description
Technical field
The utility model relates to metal powder injection molded technical fields, and in particular to a kind of metal powder metallurgy technique use
Vacuum sintering furnace.
Background technique
Metal Injection Molding is an emerging forming technique.It is collection injection molding technology, height
The multidisciplinary product for interpenetrating intersection such as molecular chemistry, powder metallurgy technology and Metal Material Science, utilizes mold injectable
Moulded blank and the part that high density, high-precision, high intensity, 3D shape complexity are quickly manufactured by sintering, more especially
It can not be processed using techniques such as machinings or unmanageable small parts, Metal Injection Molding can be easily
It manufactures, and has many advantages, such as that at low cost, high-efficient, consistency is good, batch production easy to accomplish is known as " now most
Popular components forming technique ".The process in the field generally comprises mold design, injection moulding, deburring, degreasing, sintering, whole
The processes such as shape, sintering are the key links of metal powder metallurgy process, are sintered the vacuum sintering furnace of the equipment of use, vacuum-sintering
Motor hot plate is installed in furnace, when sintering, workpiece is placed on sintering frame, then sintering frame is placed in vacuum sintering furnace and is carried out
Vacuum-sintering, existing sintering furnace is found during use, is heated using electric boiling plate, the temperature in sintering furnace
Unevenly, it will affect the quality of sintering, and the temperature in sintering process is also not easily controlled, often there is sintered products quality
Non-uniform phenomenon；Second is that existing vacuum sintering furnace is not provided with exhaust gas cleaner, the exhaust gas generated in sintering process is straight
Run in after putting, will affect the health of staff；Third is that it is existing sintering frame structure fix, applicable range compared with
It is narrow, it using having a single function, may be only available for a kind of sintering of product, if you need to be sintered other product, need replacing another knot
The sintering frame of structure, virtually will increase the cost of sintering.Therefore, develop a kind of structurally reasonable, sintering temperature uniformly, sintering
Temperature-controllable, sintering frame using it is vdiverse in function, be not only able to achieve the purified treatment of tail gas but also the metal powder of sintering quality can be improved
Metallurgical technology is desirability with vacuum sintering furnace.
Summary of the invention
The purpose of this utility model is to provide it is a kind of it is structurally reasonable, sintering temperature is uniform, sintering temperature is controllable, is sintered frame
Use metal powder metallurgy technique vacuum that is vdiverse in function, being not only able to achieve the purified treatment of tail gas but also sintering quality can be improved
Sintering furnace.
The purpose of this utility model is achieved in that including furnace body and the hermatic door that is arranged on furnace body, furnace body it is interior
Portion is placed with multi-layer sintering frame, and the intracorporal top horizontal of furnace is equipped with heating tube, and bottom level is equipped with lower heating tube, upper to add
Multiple thermovents are provided on heat pipe and the side wall of lower heating tube, having heaters is set on the outer wall of furnace body, heater goes out
Mouth is connected with heat-transfer pipe, and heat-transfer pipe is connected to upper heating tube and lower heating tube respectively, and the intracorporal each vertex of furnace is mounted on
Blower is provided with exhaust pipe on the side wall of furnace body, vacuum pump is equipped on exhaust pipe, the end of exhaust pipe is connected with tail gas clean-up
Device, the outlet of exhaust purifier are connected with evacuated tube, and air inlet pipe is communicated in evacuated tube, and inert gas guarantor is equipped in air inlet pipe
Protect tank；
Multi-layer sintering frame includes the rectangle rack being linked to be by four telescopic masts and holds frame, and telescopic mast includes fixed link and cunning
Bar, slide bar are inserted into fixed link, are processed multiple adjustment holes along the length direction of slide bar on slide bar, are held on four angles of frame
Sliding sleeve is installed, is machined with mounting hole on sliding sleeve, frame is held and is sleeved on slide bar by sliding sleeve, is led between adjustment hole and mounting hole
Pin shaft is crossed to be connected and fixed.
Further, exhaust purifier includes gas collecting jar with ground-on cover plate and the sealing plate for being mounted on gas collecting jar with ground-on cover plate both ends, and gas collecting jar with ground-on cover plate is mounted on furnace
The top of body, gas collecting jar with ground-on cover plate are internally provided with hollow rotating shaft, and the both ends of hollow rotating shaft are rotatably installed on sealing plate, outside gas collecting jar with ground-on cover plate
Portion is equipped with motor, and motor and hollow rotating shaft are sequentially connected, along the equal spacing in length direction of hollow rotating shaft on hollow rotating shaft
It is provided with muti-piece baffle, the both ends of baffle and sealing plate clearance fit, the inner wall of side and gas collecting jar with ground-on cover plate of the baffle far from hollow rotating shaft
It is slidably matched, and is arranged at intervals with photocatalysis net along the equal spacing in length direction of hollow rotating shaft between adjacent two block baffle
And light-emitting component, the two sides of photocatalysis net and baffle are coated with photocatalyst layer.
Further, the furnace body includes inner housing and outer housing, filled with heat preservation between the inner housing and outer housing
Cotton.
Further, the bottom of fixed link is provided with idler wheel.
Further, transparency window is provided on the hermatic door.
Further, headlamp is installed, the inside of furnace body is equipped with temperature sensor at the top of the furnace body.
The beneficial effect that the utility model generates is: first is that with the heater, upper heating tube and the lower heating tube that are specially arranged
It is sintered required thermal energy to provide in furnace body, the speed of heating is fast, the control of good heat-transfer, temperature is accurate, thermal efficiency height,
Energy conservation and environmental protection, and by upper heating tube and lower heating tube by the hot-air after heating under the synergistic effect of hair dryer, Neng Goujia
The air flowing of fast furnace body, guarantees that the intracorporal temperature of furnace is uniform, while guaranteeing sintering quality, effectively raises sintering
Efficiency；Second is that the exhaust purifier of setting effectively can be purified and be degraded to the exhaust gas generated in sintering process, avoid
The health of direct emission influence staff；Third is that multi-layer sintering frame is reasonable in design, use is vdiverse in function, both may be used
To realize the adjusting of sintering rack-layer number, and it is able to achieve the high adjusting of layer, and adjusted, using more convenient, had preferable practical
Value, use easy to spread.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is the schematic view of the front view of multi-layer sintering frame 3；
Fig. 4 is the overlooking structure diagram of multi-layer sintering frame 3；
In figure: 1- heat-transfer pipe, 2- heater, 3- multi-layer sintering frame, 31- idler wheel, 32- fixed link, 33- pin shaft, 34- are sliding
Bar, 35- adjustment hole, 36- sliding sleeve, 37- hold frame, the upper heating tube of 4-, 5- thermovent, 6- outer housing, 7- heat-preservation cotton, 8- inner casing
Body, 9- hermatic door, 10- transparency window, heating tube under 11-, 12- air inlet pipe, 13- inert gas shielding tank, 14- evacuated tube, 15-
Headlamp, 16- exhaust pipe, 17- blower, 18- temperature sensor, 19- vacuum pump, 20- sealing plate, 21- gas collecting jar with ground-on cover plate, 22- baffle,
23- photocatalysis net, 24- light-emitting component, 25- hollow rotating shaft, 26- motor.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, but is not subject in any way to the utility model
Limitation instructs made any changes and modifications based on the utility model, belongs to the protection scope of the utility model.
As shown in figures 1-4, the utility model includes furnace body and the hermatic door 9 that is arranged on furnace body, the inside of the furnace body
It is placed with multi-layer sintering frame 3, the intracorporal top horizontal of furnace is equipped with heating tube 4, and bottom level is equipped with lower heating tube
11, multiple thermovents 5 are provided on the side wall of the upper heating tube 4 and lower heating tube 11, are arranged on the outer wall of the furnace body
Having heaters 2, the outlet of the heater 2 are connected with heat-transfer pipe 1, the heat-transfer pipe 1 respectively with upper heating tube 4 and lower heating tube
11 connections, the intracorporal each vertex of furnace are mounted on blower 17, exhaust pipe 16, institute are provided on the side wall of the furnace body
It states and vacuum pump 19 is installed on exhaust pipe 16, the end of the exhaust pipe 16 is connected with exhaust purifier, the exhaust purifier
Outlet be connected with evacuated tube 14, exhaust-valve is installed in evacuated tube 14, air inlet pipe 12 is communicated in the evacuated tube 14, it is described
Inert gas shielding tank 13 is installed in air inlet pipe 12.
The multi-layer sintering frame 3 includes the rectangle rack being linked to be by four telescopic masts and holds frame 37, and the telescopic mast includes
Fixed link 32 and slide bar 34, the slide bar 34 are inserted into fixed link 32, along the length direction of slide bar 34 on the slide bar 34
Multiple adjustment holes 35 are processed, sliding sleeve 36 is installed on four angles for holding frame 37, is machined with mounting hole on the sliding sleeve 36,
The frame 37 that holds is sleeved on slide bar 34 by sliding sleeve 36, solid by the connection of pin shaft 33 between the adjustment hole 35 and mounting hole
It is fixed, when needing to adjust the number of plies or height, it is only necessary to unclamp the pin shaft 33 held on four angles of frame 37, sliding sleeve 26 is existed
It is slided up and down on slide bar 34, when sliding into the height of needs, pin shaft 33 is loaded onto and is fixed, the number of plies of frame 37 is held
Either holding frame 37 and hold height between frame 37 can be and fixed with how much reasonable selections of the size of workpiece and workpiece
Bar 32 and slide bar 34 are designed using telescopic structure, further increase the functionality of multi-layer sintering frame 3.
It is held in frame 37 the working principle of the utility model is: being first placed on metal powder workpiece, is then turned on hermatic door
9, multi-layer sintering frame 3 is put into furnace body, hermatic door 9 is closed, opens vacuum pump 19, to carrying out vacuumize process in furnace body,
The work of heater 2 is controlled again, and the hot wind after heating is sent to upper heating tube 4 and lower heating tube by heat-transfer pipe 1 by heater 2
11, then uniformly hot wind is sent in furnace body by the thermovent 5 of upper heating tube 4 and lower heating tube 11, at this point, opening wind
Machine 17 accelerates the flowing velocity of the intracorporal hot-air of furnace by blower 17, to guarantee that the intracorporal sintering temperature of furnace is uniform, allows more
Workpiece in layer sintering frame 3 is sintered at uniform temperature, and the exhaust gas generated in sintering process enters by exhaust pipe 16
Exhaust purifier is decomposed and is purified to exhaust gas using exhaust purifier, it is purified after exhaust gas it is direct by evacuated tube 14
Discharge, will not influence the health of worker, for energy saving, can pass through air inlet pipe by the exhaust gas that evacuated tube 14 is discharged
12 enter furnace bodies in, quickly to improve the intracorporal temperature of furnace, after the completion of sintering, can by inert gas shielding tank 13 to
It is passed through inert gas in furnace body, recurrent state is maintained by vacuum pump 19, inert gas quickly cools down during circulation
Workpiece, oxidation when preventing workpiece from taking out, after workpiece is cooled to certain temperature, stopping is passed through inert gas, closes vacuum pump 19,
Hermatic door 9 is opened, multi-layer sintering frame 3 is taken out out of furnace body.
Further, the exhaust purifier includes gas collecting jar with ground-on cover plate 21 and the sealing plate 20 for being mounted on 21 both ends of gas collecting jar with ground-on cover plate, described
Gas collecting jar with ground-on cover plate 21 is mounted on the top of furnace body, and the gas collecting jar with ground-on cover plate 21 is internally provided with hollow rotating shaft 25, the hollow rotating shaft 25
Both ends are rotatably installed on sealing plate 20, and the outside of the gas collecting jar with ground-on cover plate 21 is equipped with motor 26, the motor 26 and hollow rotating shaft 25
It is sequentially connected, the equal spacing in length direction of hollow rotating shaft 25 is provided with muti-piece baffle 22, institute on the hollow rotating shaft 25
State both ends and 20 clearance fit of sealing plate of baffle 22, the inner wall sliding of side of the baffle 22 far from hollow rotating shaft 25 and gas collecting jar with ground-on cover plate 21
Cooperation, and photocatalysis net 23 is arranged at intervals with along the equal spacing in length direction of hollow rotating shaft between adjacent two block baffle 22
With light-emitting component 24, the two sides of photocatalysis net 23 and baffle 22 are coated with photocatalyst layer, in use, exhaust gas is from exhaust pipe 16
Into gas collecting jar with ground-on cover plate 21, gas collecting jar with ground-on cover plate 21 is separated into multiple reaction chambers by baffle 22, and motor 26 drives hollow rotating shaft 25 to rotate, keeping off
In the rotation process of plate 22, exhaust gas is in the reaction chamber between adjacent two baffle 22, will not be quickly discharged, due to exhaust gas itself
Temperature is just relatively high, and the various molecules for forming exhaust gas make irregular movement, can fully urge with the light on photocatalysis net 23
The contact of agent layer, under the illumination condition that light-emitting component 24 shines, the deleterious molecular in exhaust gas is decomposed, and exhaust gas is purified,
When exhaust gas moves to evacuated tube 14, the portion gas in reaction chamber enters evacuated tube 14, finally empties from evacuated tube 14, and portion
Divide gas to stop in the reactor chamber, repeatedly purified, which is separated into gas collecting jar with ground-on cover plate 21 by baffle 22 multiple anti-
Chamber is answered, exhaust gas can not be expelled directly out, it is necessary to it is stopped in reaction chamber, and moves to evacuated tube 11 with the rotation of baffle 22,
It can fully be contacted with photochemical catalyst, improve the resolution ratio of harmful components.
In order to further improve the utilization efficiency of thermal energy, the temperature in guarantee sintering process is more constant, described
Furnace body includes inner housing 8 and outer housing 6, and heat-preservation cotton 7 is filled between the inner housing 8 and outer housing 6.
For the ease of the movement of multi-layer sintering frame 3, the bottom of the fixed link 32 is provided with idler wheel 31.
For the ease of observing the intracorporal sintering situation of furnace, transparency window 10 is provided on the hermatic door 9.
Further, headlamp 15 is installed at the top of the furnace body, is illuminated with headlamp 15, be to meet night and burn
The use demand of knot, the inside of furnace body are equipped with temperature sensor 18, can be detected in furnace body in due course using temperature sensor 18
Sintering temperature, with guarantee sintering quality.
Claims (6)
1. a kind of metal powder metallurgy technique vacuum sintering furnace, special including furnace body and the hermatic door (9) being arranged on furnace body
Sign is: the inside of the furnace body is placed with multi-layer sintering frame (3), and the intracorporal top horizontal of furnace is equipped with heating tube
(4), bottom level is equipped with lower heating tube (11), is provided on the side wall of the upper heating tube (4) and lower heating tube (11)
Having heaters (2) are arranged on the outer wall of the furnace body in multiple thermovents (5), and the outlet of the heater (2) is connected with heat-transfer pipe
(1), the heat-transfer pipe (1) is connected to upper heating tube (4) and lower heating tube (11) respectively, and the intracorporal each vertex of furnace is equal
It is equipped with blower (17), is provided on the side wall of the furnace body exhaust pipe (16), vacuum pump is installed on the exhaust pipe (16)
(19), the end of the exhaust pipe (16) is connected with exhaust purifier, and the outlet of the exhaust purifier is connected with evacuated tube
(14), it is communicated with air inlet pipe (12) on the evacuated tube (14), inert gas shielding tank is installed on the air inlet pipe (12)
(13)；
The multi-layer sintering frame (3) includes the rectangle rack being linked to be by four telescopic masts and holds frame (37), and the telescopic mast includes
Fixed link (32) and slide bar (34), the slide bar (34) is inserted into fixed link (32), along slide bar on the slide bar (34)
(34) length direction processes multiple adjustment holes (35), is equipped with sliding sleeve (36) on four angles for holding frame (37), described
Mounting hole is machined on sliding sleeve (36), described hold frame (37) are sleeved on slide bar (34) by sliding sleeve (36), the adjustment hole
(35) it is connected and fixed between mounting hole by pin shaft (33).
2. a kind of metal powder metallurgy technique vacuum sintering furnace according to claim 1, it is characterised in that: the tail gas
Clarifier includes gas collecting jar with ground-on cover plate (21) and the sealing plate (20) for being mounted on gas collecting jar with ground-on cover plate (21) both ends, and the gas collecting jar with ground-on cover plate (21) is mounted on furnace body
Top, the gas collecting jar with ground-on cover plate (21) is internally provided with hollow rotating shaft (25), the both ends rotational installation of the hollow rotating shaft (25)
On sealing plate (20), the outside of the gas collecting jar with ground-on cover plate (21) is equipped with motor (26), and the motor (26) and hollow rotating shaft (25) pass
It is dynamic to connect, the equal spacing in length direction of hollow rotating shaft (25) is provided with muti-piece baffle on the hollow rotating shaft (25)
(22), the both ends of the baffle (22) and sealing plate (20) clearance fit, side and collection of the baffle (22) far from hollow rotating shaft (25)
The inner wall of inflator (21) is slidably matched, and along between length direction of hollow rotating shaft (25) etc. between adjacent two block baffle (22)
Away from be arranged at intervals with photocatalysis net (23) and light-emitting component (24), the two sides of photocatalysis net (23) and baffle (22) are coated with
Photocatalyst layer.
3. a kind of metal powder metallurgy technique vacuum sintering furnace according to claim 1, it is characterised in that: the furnace body
Including inner housing (8) and outer housing (6), heat-preservation cotton (7) are filled between the inner housing (8) and outer housing (6).
4. a kind of metal powder metallurgy technique vacuum sintering furnace according to claim 1, it is characterised in that: the fixation
The bottom of bar (32) is provided with idler wheel (31).
5. a kind of metal powder metallurgy technique vacuum sintering furnace according to claim 1, it is characterised in that: the sealing
Transparency window (10) are provided on door (9).
6. a kind of metal powder metallurgy technique vacuum sintering furnace according to claim 1, it is characterised in that: the furnace body
Top be equipped with headlamp (15), the inside of furnace body is equipped with temperature sensor (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136672.1U CN209520364U (en) | 2018-12-19 | 2018-12-19 | A kind of metal powder metallurgy technique vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136672.1U CN209520364U (en) | 2018-12-19 | 2018-12-19 | A kind of metal powder metallurgy technique vacuum sintering furnace |
Publications (1)
| Publication Number | Publication Date |
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| CN209520364U true CN209520364U (en) | 2019-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822136672.1U Active CN209520364U (en) | 2018-12-19 | 2018-12-19 | A kind of metal powder metallurgy technique vacuum sintering furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732642A (en) * | 2019-12-04 | 2020-01-31 | 无锡环宇精密铸造有限公司 | Hot-air dry dewaxing system |
| CN111238233A (en) * | 2020-03-12 | 2020-06-05 | 浙江吉成新材股份有限公司 | Forming process and device for complex curved surface bulletproof plugboard |
| CN113008040A (en) * | 2021-03-17 | 2021-06-22 | 万博汇电子实业(定南)有限公司 | Vacuum sintering furnace capable of being cooled rapidly |
| CN117464006A (en) * | 2023-12-28 | 2024-01-30 | 湘潭大学 | Multi-zone control vacuum sintering furnace and temperature field and atmosphere field control method thereof |
| CN118123022A (en) * | 2024-04-24 | 2024-06-04 | 扬州派德粉末冶金有限公司 | Powder Metallurgy Sintering Furnace |
-
2018
- 2018-12-19 CN CN201822136672.1U patent/CN209520364U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732642A (en) * | 2019-12-04 | 2020-01-31 | 无锡环宇精密铸造有限公司 | Hot-air dry dewaxing system |
| CN111238233A (en) * | 2020-03-12 | 2020-06-05 | 浙江吉成新材股份有限公司 | Forming process and device for complex curved surface bulletproof plugboard |
| CN113008040A (en) * | 2021-03-17 | 2021-06-22 | 万博汇电子实业(定南)有限公司 | Vacuum sintering furnace capable of being cooled rapidly |
| CN117464006A (en) * | 2023-12-28 | 2024-01-30 | 湘潭大学 | Multi-zone control vacuum sintering furnace and temperature field and atmosphere field control method thereof |
| CN117464006B (en) * | 2023-12-28 | 2024-03-12 | 湘潭大学 | Multi-zone control vacuum sintering furnace and temperature field and atmosphere field control method thereof |
| CN118123022A (en) * | 2024-04-24 | 2024-06-04 | 扬州派德粉末冶金有限公司 | Powder Metallurgy Sintering Furnace |
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