CN208417540U - A kind of sealing device for mixer - Google Patents
A kind of sealing device for mixer Download PDFInfo
- Publication number
- CN208417540U CN208417540U CN201820937182.9U CN201820937182U CN208417540U CN 208417540 U CN208417540 U CN 208417540U CN 201820937182 U CN201820937182 U CN 201820937182U CN 208417540 U CN208417540 U CN 208417540U
- Authority
- CN
- China
- Prior art keywords
- diameter portion
- gland
- seal ring
- stationary seal
- ring
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 210000004907 gland Anatomy 0.000 claims abstract description 55
- 238000012856 packing Methods 0.000 claims abstract description 43
- 239000000446 fuel Substances 0.000 claims description 9
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 2
- 241000826860 Trapezium Species 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model belongs to mixer field of mechanical technique, refers in particular to a kind of sealing device for mixer.It include banburying chamber and rotor, the end of rotor is equipped with shaft, the side wall of banburying chamber is equipped with bearing hole, rotary packing ring, stationary seal ring and gland are successively arranged with far from rotor in shaft, rotary packing ring and stationary seal ring are arranged in the inner cavity of bearing hole, and gland is fixedly connected with the lateral wall of banburying chamber by fastener, and gland is also fixedly connected with stationary seal ring by fastener, more than two grooves are equipped at intervals on the lateral wall of banburying chamber, gland is equipped with bulge loop compatible with groove.The utility model sets connection by multiple bulge loops and groove card and forms labyrinth seal structure, to extend the leakage paths of material, achievees the purpose that prevent material leakage, sealing effect is good, can effectively prevent the leakage of material, reduces the waste of material.
Description
Technical field:
The utility model belongs to mixer technical field, refers in particular to a kind of sealing device for mixer.
Background technique:
Mixer is widely used a kind of mixing facilities of high-intensity clearance in rubber industry, be mainly used for rubber or
The mixing of plastics and compounding agent, it can also be used to which rubber or plastics are plasticated.In the mixer course of work, to prevent material by turning
It is revealed in gap between the shaft and banburying chamber of son, is usually equipped with sealing dress in the both ends of shaft and the junction of banburying chamber
It sets.The sealing device includes rotary packing ring and stationary seal ring.Rotary packing ring is sheathed on the end of shaft, can be under the drive of rotor
It is rotated relative to stationary seal ring.Stationary seal ring is sheathed on moving sealing ring, and one end is fixedly connected with the end face of rotor, by quiet close
Seal ring and closed-smelting machine rotor are fixedly connected, are between rotary packing ring and stationary seal ring and between rotary packing ring and shaft close
Cooperation prevents material by revealing in the gap between shaft and banburying chamber.
However, since the mixer course of work is in high pressure conditions, and rotor and shaft are kept in motion, material is still
Can gap between gap, shaft and moving sealing ring between stationary seal ring and rotor end-face and rotary packing ring with it is quiet close
Gap between seal ring is leaked to outside mixer.In this way, not only causing the waste of material, machine pressure release is also further resulted in,
To reduce processing efficiency.
Summary of the invention:
That the purpose of the utility model is to provide a kind of sealing effects is good, effectively prevent that material reveals for the close of mixer
Seal apparatus.
The utility model is realized in this way:
A kind of sealing device for mixer, includes banburying chamber and rotor, and the end of rotor is equipped with shaft, banburying chamber
Side wall be equipped with bearing hole, be successively arranged with rotary packing ring, stationary seal ring and gland, dynamic sealing far from rotor in the shaft
Ring and stationary seal ring are arranged in the inner cavity of bearing hole, and the end face of rotary packing ring and rotor connects, gland and banburying chamber
Lateral wall be fixedly connected by fastener, gland is also fixedly connected with stationary seal ring by fastener, the lateral wall of banburying chamber
On the grooves of more than two circular ring shapes is equipped at intervals with using bearing central point of hole as the center of circle, gland is equipped with compatible with groove convex
Ring.
In a kind of above-mentioned sealing device for mixer, the cross section rectangular and trapezoidal shapes structure of the groove.
In a kind of above-mentioned sealing device for mixer, the lateral wall of the gland and banburying chamber passes through fastener
The specific structure being fixedly connected is: is set on the outer edge of gland there are three mounting hole circumferentially uniformly distributed with gland center above, is pressed
Lid passes through mounting hole by bolt and is fixedly connected with the lateral wall of banburying chamber.
In a kind of above-mentioned sealing device for mixer, the gland is also fixed with stationary seal ring by fastener
The specific structure of connection: the gland is equipped with more than two location holes circumferentially uniformly distributed with gland center, and gland passes through bolt
It is fixedly connected across location hole with the respective end end face of stationary seal ring.
In a kind of above-mentioned sealing device for mixer, the rotary packing ring and stationary seal ring are arranged in bearing hole
Inner cavity in specific structure be: bearing hole includes the first small diameter portion and the first large-diameter portion, the first small diameter portion and the first major diameter
The first positioning step is formed between portion, rotary packing ring is arranged in the inner cavity of the first small diameter portion, and stationary seal ring setting is big first
In the inner cavity in diameter portion, the outer diameter of stationary seal ring is greater than the outer diameter of rotary packing ring.
In a kind of above-mentioned sealing device for mixer, the side of the stationary seal ring and rotary packing ring contact connectio
Through being equipped with axial profit oilhole on face, the gland is equipped with fuel feed hole corresponding with axial profit oil-hole location, fuel feed hole with
Axial profit oilhole forms lubricating oil injection channel.
In a kind of above-mentioned sealing device for mixer, the inner wall of the stationary seal ring is equipped with radial profit oil
Hole, the radial oilhole that moistens are communicated with the axial profit oilhole pipeline.
In a kind of above-mentioned sealing device for mixer, the stationary seal ring includes the second small diameter portion and second
Large-diameter portion forms the second positioning step between the second small diameter portion and the second large-diameter portion, the second small diameter portion is set in shaft, described
Rotary packing ring is arranged in the inner cavity of the second large-diameter portion, and its end face and the second positioning step connect, the axial profit oil
Hole is arranged on the side of the second positioning step, and the radial profit oilhole is arranged on the inner wall of the second small diameter portion.
In a kind of above-mentioned sealing device for mixer, the gland includes third small diameter portion and third major diameter
Portion forms third positioning step between third small diameter portion and third large-diameter portion, third small diameter portion is set in shaft, described quiet close
Seal ring one end corresponding with third large-diameter portion end is arranged in the inner cavity of third large-diameter portion, the location hole and the oil inlet
Hole is arranged on the side of third positioning step.
The advantage that the utility model protrudes compared with prior art is:
1, the utility model sets connection by multiple bulge loops and groove card and forms labyrinth seal structure, to extend material
Leakage paths, achieve the purpose that prevent material leakage, sealing effect is good, can effectively prevent the leakage of material, reduces material
Waste；
2, gland is first fixedly connected by the utility model by bolt with stationary seal ring, then by the outside of gland and banburying chamber
Wall is fixedly connected, so that being glanded stationary seal ring presses to rotary packing ring, and connects to form end face seal with rotary packing ring；
3, the utility model by lubricating oil between rotary packing ring and stationary seal ring, between stationary seal ring and shaft, it is quiet
It is lubricated between sealing ring and gland and sealing function, thus reduce the abrasion of rotary packing ring, stationary seal ring and shaft,
Increase its service life.
Detailed description of the invention:
Fig. 1 is the whole schematic cross-sectional view of the utility model；
Fig. 2 is banburying chamber's side wall schematic cross-sectional view of the utility model；
Fig. 3 is the stationary seal ring schematic cross-sectional view of the utility model；
Fig. 4 is the A partial enlarged view of Fig. 3；
Fig. 5 is the gland schematic cross-sectional view of the utility model.
In figure: 1, banburying chamber；2, rotor；3, shaft；4, rotary packing ring；5, stationary seal ring；6, gland；7, groove；8, convex
Ring；9, mounting hole；10, location hole；11, the first small diameter portion；12, the first large-diameter portion；13, axial profit oilhole；14, fuel feed hole；15,
Radial profit oilhole；16, the second small diameter portion；17, the second large-diameter portion；18, third small diameter portion；19, third large-diameter portion.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-5:
A kind of sealing device for mixer includes banburying chamber 1 and rotor 2, and the end of rotor 2 is equipped with shaft 3, close
The side wall for refining room 1 is equipped with bearing hole, is successively arranged with rotary packing ring 4, stationary seal ring 5 far from rotor 2 in the shaft 3 and presses
Lid 6, rotary packing ring 4 and stationary seal ring 5 are arranged in the inner cavity of bearing hole, and rotary packing ring 4 contacts company with the end face of rotor 2
It connects, gland 6 is fixedly connected with the lateral wall of banburying chamber 1 by fastener, and gland 6 is also fixed with stationary seal ring 5 by fastener
It connects, is equipped at intervals with the groove 7 of more than two circular ring shapes, gland 6 on the lateral wall of banburying chamber 1 using bearing central point of hole as the center of circle
It is equipped with bulge loop 8 compatible with groove 7.There are three the settings of the present embodiment groove 7, and bulge loop 8 sets with the card of groove 7 and connect formation fan
Palace formula sealing structure, by increasing the quantity of groove 7 and bulge loop 8, to extend the leakage paths of material, reaching prevents material from letting out
The purpose of leakage.
Further, the cross section rectangular and trapezoidal shapes structure of the groove 7.The cross section of the present embodiment groove 7 is rectangle
Structure, path prolongation effect is preferable, can apply Radial resistant force to the material between groove 7 and bulge loop 8 in gap, prevent
Material leaks out.
In order to be fixedly connected with gland 6 and the lateral wall of banburying chamber 1, prevent the gap between groove 7 and bulge loop 8 in material
Outwardly against lower increase, the gland 6 is by the specific structure that fastener is fixedly connected with the lateral wall of banburying chamber 1: gland 6
Outer edge on set there are three the mounting hole 9 circumferentially uniformly distributed with 6 center of gland above, gland 6 by bolt pass through mounting hole 9 with
The lateral wall of banburying chamber 1 is fixedly connected.
In order to ensure the stability of stationary seal ring 5, the gland 6 also connects with stationary seal ring 5 by the way that fastener is fixed
The specific structure connect: the gland 6 is equipped with more than two location holes 10 circumferentially uniformly distributed with 6 center of gland, and gland 6 passes through spiral shell
Bolt passes through location hole 10 and is fixedly connected with the respective end end face of stationary seal ring 5.
Wherein, during gland 6 is fixedly connected by bolt with the lateral wall of banburying chamber 1, stationary seal ring 5 is glanded
6 press to rotary packing ring 4, so that stationary seal ring 5 and rotary packing ring 4 connect to form end face seal.Therefore practical at this
Novel assemble flow should first pass through bolt and be fixedly connected with gland 6 with stationary seal ring 5, then pass through bolt for gland 6 and mixing
The lateral wall of room 1 is fixedly connected.And if assemble flow reverse operating, in the process that gland 6 is fixedly connected with stationary seal ring 5
In, stationary seal ring 5 pulls to gland 6 by bolt, can not form end face seal so as to cause stationary seal ring 5 and rotary packing ring 4.
In order to prevent material from leaking out from the gap between rotary packing ring 4 and bearing hole, the rotary packing ring 4 with it is quiet
The specific structure in the inner cavity of bearing hole is arranged in sealing ring 5: bearing hole includes the first small diameter portion 11 and the first large-diameter portion
12, the first positioning step is formed between the first small diameter portion 11 and the first large-diameter portion 12, rotary packing ring 4 is arranged in the first small diameter portion 11
Inner cavity in, stationary seal ring 5 is arranged in the inner cavity of the first large-diameter portion 12, and the outer diameter of stationary seal ring 5 is greater than the outer of rotary packing ring 4
Diameter.By way of extending the leakage paths of material, achieve the purpose that prevent material leakage.
Since rotary packing ring 4 rotates under the drive of shaft 3 relative to stationary seal ring 5, and rotary packing ring 4 and stationary seal ring 5
It connects, in order to reduce the abrasion of rotary packing ring 4 Yu stationary seal ring 5, the stationary seal ring 5 is connected with rotary packing ring 4
Side on through axial profit oilhole 13 is equipped with, the gland 6 is equipped with fuel feed hole corresponding with axial profit 13 position of oilhole
14, fuel feed hole 14 and axial profit oilhole 13 form lubricating oil injection channel.Under the action of lubricating oil, dynamic sealing can be effectively increased
Lubricant effect between ring 4 and stationary seal ring 5.Meanwhile lubricating oil can between gland 6 and stationary seal ring 5, stationary seal ring
Material shape plastic paste between 5 and rotary packing ring 4 in gap can play the role of preventing material powder from leaking.
Further, the inner wall of the stationary seal ring 5 is equipped with radial profit oilhole 15, radial to moisten oilhole 15 and the axial direction
Profit 13 pipeline of oilhole communicates.Lubricating oil is lubricated stationary seal ring 5 and shaft 3 by the radial oilhole 15 that moistens, and reduces static seal
The abrasion of ring 5 and shaft 3.
In order to prevent the gap between rotary packing ring 4 and stationary seal ring 5 material outwardly against under the action of increase, cause
Lubricating oil leaks out trick, causes to waste, and the stationary seal ring 5 includes the second small diameter portion 16 and the second large-diameter portion 17, and second
The second positioning step is formed between small diameter portion 16 and the second large-diameter portion 17, the second small diameter portion 16 is set in shaft 3, it is described move it is close
Seal ring 4 is arranged in the inner cavity of the second large-diameter portion 17, and its end face and the second positioning step connect, the axial profit oilhole
13 are arranged on the side of the second positioning step, and the radial profit oilhole 15 is arranged on the inner wall of the second small diameter portion 16.
In order to prevent the gap between gland 6 and stationary seal ring 5 material outwardly against under the action of increase, cause to lubricate
Oil leaks out trick, causes to waste, and the gland 6 includes third large-diameter portion 19 and third large-diameter portion, third large-diameter portion 19 with
Third positioning step is formed between third large-diameter portion, third large-diameter portion 19 is set in shaft 3, the stationary seal ring 5 and third
The corresponding one end end of large-diameter portion is arranged in the inner cavity of third large-diameter portion, and the location hole 10 is arranged with the fuel feed hole 14
On the side of third positioning step.
Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of sealing device for mixer, includes banburying chamber (1) and rotor (2), the end of rotor (2) is equipped with shaft
(3), the side wall of banburying chamber (1) is equipped with bearing hole, it is characterised in that: is successively arranged on the shaft (3) far from rotor (2)
The inner cavity of bearing hole is arranged in stationary seal ring (5) for rotary packing ring (4), stationary seal ring (5) and gland (6), rotary packing ring (4)
In, and the end face of rotary packing ring (4) and rotor (2) connects, the lateral wall of gland (6) and banburying chamber (1) passes through fastener
It is fixedly connected, gland (6) is also fixedly connected with stationary seal ring (5) by fastener, with bearing hole on the lateral wall of banburying chamber (1)
Central point is the groove (7) that the center of circle is equipped at intervals with more than two circular ring shapes, and gland (6) is equipped with compatible convex with groove (7)
Ring (8).
2. a kind of sealing device for mixer according to claim 1, it is characterised in that: the cross of the groove (7)
Rectangular in cross-section or trapezium structure.
3. a kind of sealing device for mixer according to claim 1, it is characterised in that: the gland (6) with it is close
Refining room (1) lateral wall be by the specific structure that fastener is fixedly connected: set on the outer edge of gland (6) there are three above with
The circumferentially uniformly distributed mounting hole (9) in gland (6) center, gland (6) pass through the outside of mounting hole (9) and banburying chamber (1) by bolt
Wall is fixedly connected.
4. a kind of sealing device for mixer according to claim 1, it is characterised in that: the gland (6) also with
The specific structure that stationary seal ring (5) is fixedly connected by fastener: the gland (6) is equipped with two or more in gland (6)
The circumferentially uniformly distributed location hole of the heart (10), gland (6) pass through the respective end end face of location hole (10) and stationary seal ring (5) by bolt
It is fixedly connected.
5. a kind of sealing device for mixer according to claim 1, it is characterised in that: the rotary packing ring (4)
The specific structure in the inner cavity of bearing hole, which is arranged in, with stationary seal ring (5) is: bearing hole includes the first small diameter portion (11) and the
One large-diameter portion (12), forms the first positioning step between the first small diameter portion (11) and the first large-diameter portion (12), rotary packing ring (4) is set
It sets in the inner cavity of the first small diameter portion (11), stationary seal ring (5) is arranged in the inner cavity of the first large-diameter portion (12), stationary seal ring
(5) outer diameter is greater than the outer diameter of rotary packing ring (4).
6. a kind of sealing device for mixer according to claim 4, it is characterised in that: the stationary seal ring (5)
Through axial profit oilhole (13) is equipped on the side connected with rotary packing ring (4), the gland (6) is equipped with and axial profit
The corresponding fuel feed hole (14) in oilhole (13) position, fuel feed hole (14) and axial profit oilhole (13) form lubricating oil injection channel.
7. a kind of sealing device for mixer according to claim 6, it is characterised in that: the stationary seal ring (5)
Inner wall be equipped with radial profit oilhole (15), radial moisten oilhole (15) are communicated with described axial oilhole (13) pipeline that moistens.
8. a kind of sealing device for mixer according to claim 7, it is characterised in that: the stationary seal ring (5)
Include the second small diameter portion (16) and the second large-diameter portion (17), forms between the second small diameter portion (16) and the second large-diameter portion (17)
Two positioning steps, the second small diameter portion (16) are set on shaft (3), and the rotary packing ring (4) is arranged in the second large-diameter portion (17)
Inner cavity in, and its end face and the second positioning step connect, and axial profit oilhole (13) is arranged in the second positioning step
Side on, radial profit oilhole (15) is arranged on the inner wall of the second small diameter portion (16).
9. a kind of sealing device for mixer according to claim 6, it is characterised in that: the gland (6) includes
There are third small diameter portion (18) and third large-diameter portion (19), it is fixed to form third between third small diameter portion (18) and third large-diameter portion (19)
Position step, third small diameter portion (18) are set on shaft (3), and the stationary seal ring (5) is corresponding with third large-diameter portion (19)
One end end is arranged in the inner cavity of third large-diameter portion (19), and the location hole (10) and the fuel feed hole (14) are arranged in third
On the side of positioning step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820937182.9U CN208417540U (en) | 2018-06-15 | 2018-06-15 | A kind of sealing device for mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820937182.9U CN208417540U (en) | 2018-06-15 | 2018-06-15 | A kind of sealing device for mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417540U true CN208417540U (en) | 2019-01-22 |
Family
ID=65108295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820937182.9U Expired - Fee Related CN208417540U (en) | 2018-06-15 | 2018-06-15 | A kind of sealing device for mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547953A (en) * | 2018-06-15 | 2018-09-18 | 三门县金帆橡塑机械厂 | A kind of sealing device for mixer |
-
2018
- 2018-06-15 CN CN201820937182.9U patent/CN208417540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547953A (en) * | 2018-06-15 | 2018-09-18 | 三门县金帆橡塑机械厂 | A kind of sealing device for mixer |
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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: 20190122 |