CN208167082U - A kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace - Google Patents
A kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace Download PDFInfo
- Publication number
- CN208167082U CN208167082U CN201820687178.1U CN201820687178U CN208167082U CN 208167082 U CN208167082 U CN 208167082U CN 201820687178 U CN201820687178 U CN 201820687178U CN 208167082 U CN208167082 U CN 208167082U
- Authority
- CN
- China
- Prior art keywords
- bell
- nitriding furnace
- vertical vacuum
- threaded rod
- vacuum nitriding
- 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.)
- Expired - Fee Related
Links
- 238000005121 nitriding Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kind of bell self-adjusting mechanisms suitable for vertical vacuum nitriding furnace, including vertical vacuum nitriding furnace body, gag lever post is fixedly connected at the top of one side on the vertical vacuum nitriding furnace body, fixed block is fixedly connected at the top of its other side on the vertical vacuum nitriding furnace body, rotation slot is offered at the top of the fixed block, the top of the fixed block is rotatably connected to rotating block by rotation slot, threaded rod is fixedly connected at the top of the rotating block, the surface of the gag lever post is socketed with bell.The utility model passes through setting gag lever post and threaded rod, gag lever post is used to limit the position of bell, move up and down bell in threaded rod rotation, prevent bell from threaded rod being followed to rotate, by rotating threaded rod, threaded rod drives bell to move up and down by threaded hole, to adjust the extruding force between diaphragm seal and vertical vacuum nitriding furnace body, has achieved the effect that improve diaphragm seal service life.
Description
Technical field
The utility model relates to austenitic stainless steel nitrogen treatment technical field, specially a kind of vertical vacuum that is suitable for seeps
The bell self-adjusting mechanism of nitrogen furnace.
Background technique
Vacuum nitriding furnace is that processed workpiece is placed in vacuum tank, and nitriding is carried out under the conditions of glow discharge.
Glow discharge nitriding can make the cycle time 60-70% of nitriding, simplify process, and part deformation is small, good product quality, energy saving,
It is pollution-free, it is that technique is buried at hot place to developed recently faster.The new process is constantly expanding suitable material kind and application field,
Magnesium iron, alloy cast iron, martensite steel, austenitic steel and dispersion-strengtherning stainless steel are successfully handled.Vacuum nitriding furnace includes furnace
Body, vacuum system, air supply system, temp measuring system and control system are formed.But handle the air pressure that different workpiece needs
It is different, however the sealing between conventional vacuum nitriding furnace bell and furnace body is sealed by squeezing, and the two
Between be squeezed the size of power and be not easy to adjust, use the time this reduces sealing strip, need to improve.
Utility model content
The purpose of this utility model is to provide a kind of bell self-adjusting mechanisms suitable for vertical vacuum nitriding furnace, have
The advantages of raising diaphragm seal service life, to solve the sealing between conventional vacuum nitriding furnace bell and furnace body all be by squeezing into
Row sealing, and the size for being squeezed power therebetween is not easy to adjust, this reduces the asking using the time of sealing strip
Topic.
To achieve the above object, the utility model provides the following technical solutions：It is a kind of suitable for vertical vacuum nitriding furnace
Bell self-adjusting mechanism, including vertical vacuum nitriding furnace body, the top on the vertical vacuum nitriding furnace body close to one side are solid
Surely it is connected with gag lever post, is fixedly connected with fixed block at the top of its other side on the vertical vacuum nitriding furnace body.
Rotation slot is offered at the top of the fixed block, the top of the fixed block is rotatably connected to rotation by rotation slot
Block, is fixedly connected with threaded rod at the top of the rotating block, and the surface of the gag lever post is socketed with bell, on the bell with spiral shell
The corresponding position of rasp bar offers threaded hole, and the surface of the threaded rod is connected by the inner thread of threaded hole and bell,
The bottom of the bell is fixedly connected with diaphragm seal, contacts at the top of the bottom of the diaphragm seal and vertical vacuum nitriding furnace body.
Preferably, position corresponding with gag lever post opens up fluted on the bell, and the inner wall of the bell passes through recessed
Slot is fixedly connected with shaft, and the surface of the shaft is fixedly connected with idler wheel, and the surface of the idler wheel and the surface of gag lever post connect
Touching.
Preferably, the bottom of the rotating block offers ball grooves, and the bottom of the rotating block is connected by ball grooves activity
It is connected to ball, the surface of the ball is contacted by rotation slot with the inner wall of fixed block.
Preferably, the side on the gag lever post at the top of it is fixedly connected with anti-drop block, the bottom of the anti-drop block
It is contacted at the top of bell.
Preferably, handle is fixedly connected at the top of the threaded rod, and perhaps the driver handle or driver are equal
For technology well known in the art.
Compared with prior art, the beneficial effects of the utility model are as follows：
One, the utility model is used to limit the position of bell, bell is made to exist by setting gag lever post and threaded rod, gag lever post
Threaded rod moves up and down when rotating, and prevents bell from threaded rod being followed to rotate, and by rotating threaded rod, threaded rod passes through threaded hole band
Dynamic bell moves up and down, to adjust the extruding force between diaphragm seal and vertical vacuum nitriding furnace body, has reached raising diaphragm seal
The effect of service life.
Two, idler wheel is rotatably connected on bell by the utility model by setting shaft and idler wheel, shaft, and idler wheel makes to limit
Sliding between bar and bell is more smooth and stablizes, and by the way that ball is arranged, makes rotating block by rotation slot in fixed block inner wall
In rotation it is more smooth and stablize, realize stablize smoothness adjusting diaphragm seal and vertical vacuum nitriding furnace body between extruding force
Effect, indirectly achieved the effect that improve diaphragm seal service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is structure enlargement diagram at the utility model A；
Fig. 3 is structure enlargement diagram at the utility model B.
In figure：1- vertical vacuum nitriding furnace body, 2- gag lever post, 3- fixed block, 4- rotating block, 5- threaded rod, 6- bell, 7-
Threaded hole, 8- diaphragm seal, 9- shaft, 10- idler wheel, 11- ball, 12- anti-drop block, 13- handle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of bell suitable for vertical vacuum nitriding furnace from
Adjustment mechanism, including vertical vacuum nitriding furnace body 1, the setting of vertical vacuum nitriding furnace body 1 are used to provide reaction for workpiece nitriding
Place is fixedly connected with gag lever post 2 at the top of one side on vertical vacuum nitriding furnace body 1, and gag lever post 2 is connect with bell 6,
Gag lever post 2 is used to limit the position of bell 6, moves up and down bell 6 when threaded rod 5 rotates, prevents bell 6 from following threaded rod
5 rotate, and the side on gag lever post 2 at the top of it is fixedly connected with anti-drop block 12, the bottom of anti-drop block 12 and the top of bell 6
Contact, the setting of anti-drop block 12 is detached from gag lever post 2 for placing bell 6, while indirectly bell 6 being prevented to be detached from threaded rod 5, stands
Fixed block 3 is fixedly connected on formula vacuum nitriding furnace body 1 at the top of its other side, fixed block 3 is that rotating block 4 provides rotation
The place of connection.
It please refers to Fig.1 to Fig.3, the top of fixed block 3 offers rotation slot, and the top of fixed block 3 is rotated by rotation slot
It is connected with rotating block 4, threaded rod 5 is rotatably connected on fixed block 3 by rotating block 4, the position of threaded rod 5 is limited, rotating block 4
Bottom offers 11 slot of ball, and the bottom of rotating block 4 is connected with ball 11 by 11 slot of ball, and the surface of ball 11 passes through
Rotation slot is contacted with the inner wall of fixed block 3, and the setting of ball 11 turns rotating block 4 in 3 inner wall of fixed block by rotation slot
Dynamic more smooth and stable, the top of rotating block 4 is fixedly connected with threaded rod 5, and by rotating threaded rod 5, threaded rod 5 passes through spiral shell
Pit 7 drives bell 6 to move up and down, and the top of threaded rod 5 is fixedly connected with handle 13 perhaps driver handle 13 or driving
Device is technology well known in the art, and for easily rotating threaded rod 5, the surface of gag lever post 2 is socketed with bell 6, and bell 6 is used
In for diaphragm seal 8 provide connection place, be sealed by the vertical vacuum nitriding furnace body 1 of diaphragm seal 8, on bell 6 with limit
The corresponding position of bar 2 opens up fluted, and the inner wall of bell 6 is fixedly connected with shaft 9 by groove, and the surface of shaft 9 is fixed
It is connected with idler wheel 10, the surface of idler wheel 10 is contacted with the surface of gag lever post 2, and idler wheel 10 is rotatably connected on bell 6 by shaft 9,
Idler wheel 10 keeps the sliding between gag lever post 2 and bell 6 more smooth and stablizes, and position corresponding with threaded rod 5 is opened on bell 6
Equipped with threaded hole 7, the surface of threaded rod 5 is connect by threaded hole 7 with the inner thread of bell 6, and the bottom of bell 6 is fixedly connected
There is diaphragm seal 8, diaphragm seal 8 is used to improve the leakproofness of vertical vacuum nitriding furnace body 1, and the bottom of diaphragm seal 8 and vertical vacuum seep
The top of nitrogen furnace body 1 contacts.
Working principle：This is suitable for the bell self-adjusting mechanism of vertical vacuum nitriding furnace in use, vertical when needing to open
When vacuum nitriding furnace body 1, threaded rod 5 is rotated, gag lever post 2 is used to limit the position of bell 6, and threaded rod 5 is driven by threaded hole 7
Bell 6 moves up, the sealing of the vertical vacuum nitriding furnace body 1 of depressurization piece 8, when needing to seal vertical vacuum nitriding furnace body
When 1, according to the sealing air pressure that workpiece in vertical vacuum nitriding furnace body 1 needs, threaded rod 5 is rotated backward, is needed when workpiece reacts
Air pressure it is smaller when, the distance that bell 6 moves on threaded rod 5 is shorter, when workpiece reaction need air pressure it is larger when, bell 6
The distance moved on threaded rod 5 is longer to realize in vertical vacuum nitriding furnace body 1 in the case where different air pressures, diaphragm seal 8
By different extruding forces, the service life of diaphragm seal 8 is improved.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace, including vertical vacuum nitriding furnace body (1), feature
It is：It is fixedly connected with gag lever post (2) at the top of one side on the vertical vacuum nitriding furnace body (1), it is described vertical true
Fixed block (3) are fixedly connected at the top of its other side on empty nitriding furnace body (1)；
Rotation slot is offered at the top of the fixed block (3), the top of the fixed block (3) is rotatably connected to by rotation slot
Motion block (4) is fixedly connected with threaded rod (5) at the top of the rotating block (4), and the surface of the gag lever post (2) is socketed with bell
(6), position corresponding with threaded rod (5) offers threaded hole (7) on the bell (6), and the surface of the threaded rod (5) is logical
It crosses threaded hole (7) to connect with the inner thread of bell (6), the bottom of the bell (6) is fixedly connected with diaphragm seal (8), described
The bottom of diaphragm seal (8) is contacted with the top of vertical vacuum nitriding furnace body (1).
2. a kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace according to claim 1, it is characterised in that：
Position corresponding with gag lever post (2) opens up fluted on the bell (6), and the inner wall of the bell (6) is fixed by groove
It is connected with shaft (9), the surface of the shaft (9) is fixedly connected with idler wheel (10), the surface of the idler wheel (10) and gag lever post
(2) surface contact.
3. a kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace according to claim 1, it is characterised in that：
The bottom of the rotating block (4) offers ball (11) slot, and the bottom of the rotating block (4) is flexibly connected by ball (11) slot
Have ball (11), the surface of the ball (11) is contacted by rotation slot with the inner wall of fixed block (3).
4. a kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace according to claim 1, it is characterised in that：
Side on the gag lever post (2) at the top of it is fixedly connected with anti-drop block (12), the bottom of the anti-drop block (12) and furnace
Cover the top contact of (6).
5. a kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace according to claim 1, it is characterised in that：
Handle (13) is fixedly connected at the top of the threaded rod (5), and perhaps the driver handle (13) or driver are this
Technology well known to field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687178.1U CN208167082U (en) | 2018-05-09 | 2018-05-09 | A kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687178.1U CN208167082U (en) | 2018-05-09 | 2018-05-09 | A kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208167082U true CN208167082U (en) | 2018-11-30 |
Family
ID=64366340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820687178.1U Expired - Fee Related CN208167082U (en) | 2018-05-09 | 2018-05-09 | A kind of bell self-adjusting mechanism suitable for vertical vacuum nitriding furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208167082U (en) |
-
2018
- 2018-05-09 CN CN201820687178.1U patent/CN208167082U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |