CN207176057U - A kind of bell-jar glow discharge nitriding furnace body - Google Patents
A kind of bell-jar glow discharge nitriding furnace body Download PDFInfo
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- CN207176057U CN207176057U CN201721198121.7U CN201721198121U CN207176057U CN 207176057 U CN207176057 U CN 207176057U CN 201721198121 U CN201721198121 U CN 201721198121U CN 207176057 U CN207176057 U CN 207176057U
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Abstract
The utility model discloses a kind of bell-jar glow discharge nitriding furnace body, including suspension ring, the first water inlet is fixedly installed beside the suspension ring, the lower end of first water inlet is fixedly connected with outer layer body of heater, the side of the outer layer body of heater is fixedly installed body of heater layer, the side of the body of heater layer is fixedly installed internal layer body of heater, and the lower end side of the body of heater layer is fixedly installed anode connection seat, the utility model is related to heat treatment equipment.A kind of bell-jar glow discharge nitriding furnace body, by being fixedly installed cathode tray device in the middle part of the lower end for oozing ammonia room, workpiece cooling velocity can be made fast, workpiece temperature uniformity is good, and anode and cathode transmission of electricity is rational in infrastructure, is fixedly installed resistance vacuum in the lower end of vacuum detection device and regulates, the vacuum in vacuum chamber can be measured in real time, to adjust, make the more energy-conserving and environment-protective of nitriding furnace body, it is practical.
Description
Technical field
It the utility model is related to heat treatment equipment, and in particular to a kind of bell-jar glow discharge nitriding furnace body.
Background technology
Glow discharge nitriding is that one kind can significantly improve steel-iron components surface abrasion resistance degree, fatigue, burn into resistance to high temperature oxidation and carry
The metal surface enhanced technique in high workpiece life-span, it is that pending workpiece is placed in vacuum tank, and is filled with 133-
The nitrogenous gas of 1333Pa low pressure, using workpiece as negative electrode, the cover wall of vacuum tank sets gold as anode or inside container
Belong to anode, hundreds of volt DC voltages are added between anode and cathode, the low density gas of two interpolars is ionized, so as to produce glow discharge
Technical process.In existing technology, generally general-purpose type ion-nitriding furnace, the vacuum section of this body of heater use water cooling, damage
The source electrode that consumes energy is big, anode and cathode power transmitting device unreasonable structure, poor sealing often occurs and beats arc phenomenon, and temperature uniformity is poor,
The problems such as higher metal nitriding of temperature sensitive property can not be carried out.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of bell-jar ion-nitriding furnace, by oozing ammonia room
Lower end in the middle part of be fixedly installed cathode tray device, workpiece cooling velocity can be made fast, workpiece temperature uniformity is good, is oozing ammonia room
Both ends be fixedly installed internal protecting wall anode, make anode and cathode transmission of electricity it is rational in infrastructure, the lower end of internal protecting wall anode is provided with shielding
Cap, shielding gap is not destroyed, do not produce and beat arc phenomenon, bearing capacity height, be fixedly installed in the lower end of vacuum detection device
There is resistance vacuum to regulate, the vacuum in vacuum chamber can be measured in real time, to adjust, make nitriding furnace body more energy-saving ring
Protect, it is practical.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of bell-jar glow discharge nitriding
Furnace body, including suspension ring, the first water inlet is fixedly installed beside the suspension ring, the lower end of first water inlet, which is fixed, to be connected
It is connected to outer layer body of heater, the side of the outer layer body of heater is fixedly installed body of heater layer, in the side of the body of heater layer is fixedly installed
Layer body of heater, the lower end side of the body of heater layer are fixedly installed anode connection seat, the lower end fixed setting of the anode connection seat
There is chassis, the lower end on the chassis is fixedly installed incubation cavity, heat-insulating base is fixedly installed in the middle part of the lower end of the incubation cavity,
The lower end opposite side of the body of heater layer is fixedly installed the second water inlet, and the lower end of second water inlet is fixedly connected insulation
Chamber.
Preferably, it is fixedly installed in the middle part of the lower section of the suspension ring and oozes ammonia room, the lower end for oozing ammonia room is fixedly installed
Metallic plate, the lower end of the metallic plate are fixedly installed cathode tray device.
Preferably, the both sides for oozing ammonia room are fixedly installed internal protecting wall anode, and the lower end of the internal protecting wall anode is fixed
Porcelain insulator is provided with, the lower end of the porcelain insulator is fixedly installed bottom plate, and the upper end of the bottom plate is close to porcelain insulator
Side is fixedly installed shielding cap.
Preferably, the side of the internal layer body of heater, which is fixedly installed, send nitrogen pipe, and the lower end for sending nitrogen pipe is fixedly installed
Store up nitrogen storehouse, it is described to send the upper end of nitrogen pipe to fix to connect and ooze ammonia room.
Preferably, the upper end of the heat-insulating base is fixedly installed vavuum pump, and the upper end of the vavuum pump is fixedly installed
Vacuum system, the upper end side of the vacuum system are fixedly installed extract system, and the upper end side of the extract system is fixed
It is provided with gas outlet.
Preferably, the lower end of the bottom plate is fixedly installed vacuum detection device, and the lower end of the vacuum detection device is consolidated
Surely resistance vacuum is provided with to regulate.
Preferably, two middle side parts of the body of heater layer are fixedly installed observation panel, and the surface of the observation panel is provided with sight
Examine hole.
(3) beneficial effect
The utility model provides a kind of bell-jar glow discharge nitriding furnace body, possesses following beneficial effect：By oozing ammonia
Cathode tray device is fixedly installed in the middle part of the lower end of room, workpiece cooling velocity can be made fast, workpiece temperature uniformity is good, is oozing ammonia
The both ends of room are fixedly installed internal protecting wall anode, make anode and cathode transmission of electricity rational in infrastructure, the lower end of internal protecting wall anode is provided with screen
Cap is covered, shielding gap is not destroyed, does not produce and beat arc phenomenon, bearing capacity height, fix and set in the lower end of vacuum detection device
It is equipped with resistance vacuum to regulate, the vacuum in vacuum chamber can be measured in real time, to adjust, makes nitriding furnace body more energy-saving ring
Protect, and two middle side parts of body of heater layer are provided with peep hole, the situation of furnace interior, practicality can be observed by peep hole
By force.
Brief description of the drawings
Fig. 1 is the overall structure diagram of bell-jar glow discharge nitriding furnace body of the present utility model；
Fig. 2 is local furnace interior structural representation of the present utility model；
Fig. 3 is observation panel structural representation of the present utility model.
In figure：1- suspension ring, the water inlets of 2- first, 3- bodies of heater layer, 4- internal layers body of heater, 5- outer layers body of heater, 6- observation panels, 7- are seen
Examine hole, 8- porcelain insulators, 9- shielding caps, 10- anode connections seat, 11- chassis, 12- extract systems, 13- vavuum pumps, 14- resistance
Vacuum gauge, 15- storage nitrogen storehouse, the water inlets of 16- second, 17- cathode trays device, 18- send nitrogen pipe, 19- internal protecting walls anode, 20-
Metallic plate, 21- ooze ammonia room, 22- incubation cavities, 23- heat-insulating bases, 24- gas outlets, 25- vacuum detections device, 26- bottom plates, 27-
Vacuum system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model example, the technical scheme in the utility model example is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of bell-jar glow discharge nitriding furnace body, and it includes suspension ring 1, suspension ring
1 side is fixedly installed the first water inlet 2, and the lower end of the first water inlet 2 is fixedly connected with outer layer body of heater 5, outer layer body of heater 5
Side is fixedly installed body of heater layer 3, and the side of body of heater layer 3 is fixedly installed internal layer body of heater 4, and the lower end side of body of heater layer 3 is fixed
Anode connection seat 10 is provided with, the lower end of anode connection seat 10 is fixedly installed chassis 11, and the lower end on chassis 11 is fixedly installed
Incubation cavity 22, incubation cavity 22 make body of heater keep constant temperature, heat-insulating base 23, body of heater layer are fixedly installed in the middle part of the lower end of incubation cavity 22
3 lower end opposite side is fixedly installed the second water inlet 16, and the lower end of the second water inlet 16 is fixedly connected incubation cavity 22.
It is fixedly installed in the middle part of the lower section of suspension ring 1 and oozes ammonia room 21, the lower end for oozing ammonia room 21 is fixedly installed metallic plate 20, gold
The lower end of category plate 20 is fixedly installed cathode tray device 17.The both sides for oozing ammonia room 21 are fixedly installed internal protecting wall anode 19, interior
It is rational in infrastructure that furnace wall anode 19 makes anode and cathode transmit electricity, and the lower end of internal protecting wall anode 19 is fixedly installed porcelain insulator 8, porcelain insulator
8 lower end is fixedly installed bottom plate 26, and the upper end of bottom plate 26 is fixedly installed shielding cap 9 close to the side of porcelain insulator 8, shielding
Cap 9 makes shielding gap not be destroyed, does not produce and beat arc phenomenon.The side of internal layer body of heater 4, which is fixedly installed, send nitrogen pipe 18, send nitrogen pipe
18 lower end is fixedly installed storage nitrogen storehouse 15, send the upper end fixation of nitrogen pipe 18 to connect and oozes ammonia room 21.The upper end of heat-insulating base 23
Vavuum pump 13 is fixedly installed, the upper end of vavuum pump 13 is fixedly installed vacuum system 27, and the upper end side of vacuum system 27 is consolidated
Surely extract system 12 is provided with, the upper end side of extract system 12 is fixedly installed gas outlet 24.The lower end of bottom plate 26 is fixed and set
Vacuum detection device 25 is equipped with, the lower end of vacuum detection device 25 is fixedly installed resistance vacuum and regulates 14, and resistance vacuum is regulated
Vacuum in 14 measurable vacuum chambers.Two middle side parts of body of heater layer 3 are fixedly installed observation panel 6, and the surface of observation panel 6 is set
There is peep hole 7, peep hole 7 can make the real-time condition of user's understanding the inside.
In use, this body of heater uses the double-decker of internal layer body of heater 4 and outer layer body of heater 5, by oozing the lower end of ammonia room 21
Middle part is fixedly installed cathode tray device 17, workpiece is placed on cathode tray device 17, by oozing the two of ammonia room 21
End is fixedly installed internal protecting wall anode 19, makes anode and cathode transmission of electricity rational in infrastructure, the lower end of internal protecting wall anode 19 is provided with shielding
Cap 9, avoid playing arc generation, by being fixedly installed bottom plate 26 in the lower end of porcelain insulator 8, be provided with very in the lower end of bottom plate 26
Empty detection device 25 and resistance vacuum regulate 14, detect vacuum in vacuum chamber, and be provided with two middle side parts of body of heater layer 3
Peep hole 7, the situation of furnace interior can be observed by peep hole, it is practical.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of bell-jar glow discharge nitriding furnace body, including suspension ring (1), it is characterised in that：The side of the suspension ring (1) is fixed and set
The first water inlet (2) is equipped with, the lower end of first water inlet (2) is fixedly connected with outer layer body of heater (5), the outer layer body of heater
(5) side is fixedly installed body of heater layer (3), and the side of the body of heater layer (3) is fixedly installed internal layer body of heater (4), the stove
The lower end side of body layer (3) is fixedly installed anode connection seat (10), and the lower end of the anode connection seat (10) is fixedly installed
Chassis (11), the lower end of the chassis (11) are fixedly installed incubation cavity (22), fixed in the middle part of the lower end of the incubation cavity (22)
It is provided with heat-insulating base (23), the lower end opposite side of the body of heater layer (3) is fixedly installed the second water inlet (16), and described second
The lower end of water inlet (16) is fixedly connected incubation cavity (22).
A kind of 2. bell-jar glow discharge nitriding furnace body according to claim 1, it is characterised in that：Under the suspension ring (1)
Side middle part, which is fixedly installed, oozes ammonia room (21), and the lower end for oozing ammonia room (21) is fixedly installed metallic plate (20), the metal
The lower end of plate (20) is fixedly installed cathode tray device (17).
A kind of 3. bell-jar glow discharge nitriding furnace body according to claim 2, it is characterised in that：The ammonia room (21) of oozing
Both sides are fixedly installed internal protecting wall anode (19), and the lower end of the internal protecting wall anode (19) is fixedly installed porcelain insulator (8), institute
The lower end for stating porcelain insulator (8) is fixedly installed bottom plate (26), and the upper end of the bottom plate (26) is close to the side of porcelain insulator (8)
It is fixedly installed shielding cap (9).
A kind of 4. bell-jar glow discharge nitriding furnace body according to claim 1, it is characterised in that：The internal layer body of heater (4)
Side be fixedly installed and send nitrogen pipe (18), the lower end for sending nitrogen pipe (18) is fixedly installed storage nitrogen storehouse (15), described to send nitrogen
The upper end of pipe (18), which is fixed to connect, oozes ammonia room (21).
A kind of 5. bell-jar glow discharge nitriding furnace body according to claim 1, it is characterised in that：The heat-insulating base (23)
Upper end be fixedly installed vavuum pump (13), the upper end of the vavuum pump (13) is fixedly installed vacuum system (27), described true
The upper end side of empty set system (27) is fixedly installed extract system (12), the upper end side fixed setting of the extract system (12)
There is gas outlet (24).
A kind of 6. bell-jar glow discharge nitriding furnace body according to claim 3, it is characterised in that：Under the bottom plate (26)
End is fixedly installed vacuum detection device (25), and the lower end of the vacuum detection device (25) is fixedly installed resistance vacuum and regulated
(14)。
A kind of 7. bell-jar glow discharge nitriding furnace body according to claim 3, it is characterised in that：The body of heater layer (3)
Two middle side parts are fixedly installed observation panel (6), and the surface of the observation panel (6) is provided with peep hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721198121.7U CN207176057U (en) | 2017-09-19 | 2017-09-19 | A kind of bell-jar glow discharge nitriding furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721198121.7U CN207176057U (en) | 2017-09-19 | 2017-09-19 | A kind of bell-jar glow discharge nitriding furnace body |
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| Publication Number | Publication Date |
|---|---|
| CN207176057U true CN207176057U (en) | 2018-04-03 |
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ID=61746880
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721198121.7U Active CN207176057U (en) | 2017-09-19 | 2017-09-19 | A kind of bell-jar glow discharge nitriding furnace body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117144286A (en) * | 2023-06-01 | 2023-12-01 | 南京华尔泰传动科技有限公司 | Gear tooth surface nitriding treatment equipment |
-
2017
- 2017-09-19 CN CN201721198121.7U patent/CN207176057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117144286A (en) * | 2023-06-01 | 2023-12-01 | 南京华尔泰传动科技有限公司 | Gear tooth surface nitriding treatment equipment |
| CN117144286B (en) * | 2023-06-01 | 2024-03-26 | 南京华尔泰传动科技有限公司 | Gear tooth surface nitriding treatment equipment |
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