CN103586990A - Externally-pressing type sealing device for internal mixer - Google Patents
Externally-pressing type sealing device for internal mixer Download PDFInfo
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- CN103586990A CN103586990A CN201310559305.1A CN201310559305A CN103586990A CN 103586990 A CN103586990 A CN 103586990A CN 201310559305 A CN201310559305 A CN 201310559305A CN 103586990 A CN103586990 A CN 103586990A
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Abstract
The invention discloses an externally-pressing type sealing device for an internal mixer, and belongs to the technical field of rubber internal mixers. The externally-pressing type sealing device for the internal mixer comprises a sealing seat and a rotor shaft, wherein the sealing seat is fixed on the side wall of the internal mixer; the rotor shaft penetrates through a hole of the sealing seat; a sealing ring and a flexible sealing ring which are nested on the rotor shaft are arranged in the hole of the sealing seat; the flexible sealing ring is attached to the sealing ring; the sealing ring is attached to the end surface of a rotor; a material pushing press plate abutting against the sealing ring is nested on the rotor shaft; and under the action of external force, the material pushing press plate pushes the sealing ring to be always attached to the end surface of the rotor to form dynamic sealing. According to the externally-pressing type sealing device for the internal mixer, under the same working condition, the sealing effect of the sealing device can be effectively improved, the service life of the sealing ring is prolonged, leakage of the sealing device can be avoided or greatly reduced, and pollution to the neighboring environment is greatly reduced.
Description
Technical field
The present invention relates to rubber and plastic banbury technical field; the new structure of the outer pressure sealing device of especially a kind of banbury; it can effectively improve the service life of sealing effectiveness and stationary seal ring in sealing device; effectively reduce banbury and shut down because of leak powder contaminated environment and minimizing banbury number of times and the time of changing sealing ring, be adapted at applying in the outer pressure sealing device of all specification banburies.
Background technology
Closed refining glue (moulding) machine is called for short banbury, and it is the visual plant of rubber plastic processing.Be mainly used in the mixing of rubber or plastics and compounding ingredient, also can be used for plasticating of rubber or plastics.Before banbury comes out, these process all complete on open two roller refining glue (moulding) machines (abbreviation mill).The skilled workman of action need of mill, labour intensity is large and very dangerous, and working condition is very poor, dust from flying, environmental pollution is serious, and production efficiency is low, unstable product quality.Use banbury can effectively overcome above-mentioned shortcoming, therefore in rubber plastic product industry, obtain applying more and more widely.
Banbury is when carrying out mixing work, because banbury is airtight, therefore its loss of material, than mill much less, also greatly alleviates the pollution of environment.But between rotor journal and banburying chamber's sidewall endoporus, there is annular gap, and in banburying chamber, have pressure in mixing process, in order to prevent that material from spilling, must adopt herein sealing device.
The structural shape of sealing device is a lot, and what domestic application was maximum at present is external pressure face seals.The external pressure face seals that tradition is seen is when banbury is worked, because banburying secret rotor is all the time under strong stress, produce therefrom the motion state of flexing distortion, when making rotor, the rotary packing ring that its both ends of the surface connect produces the swing operation around axis, and then produce laminating gap during with the laminating of stationary seal ring, rubber and powder enter the annular gap between rotor journal and banburying chamber's sidewall endoporus by this gap, produce and leak therefrom, this laminating gap is exactly to produce the main cause of leaking.Current banbury both domestic and external is a lot, but no matter uses the sealing device of that pattern, more or less all has the phenomenon of leaking in various degree powder, and it has almost become a kind of insoluble common fault that can not circuitously get over of banbury; Make the leakage of banbury sealing device, become the technical problem that modern banbury is badly in need of further Improvement and perfection, this is problem to be solved by this invention just also.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy and simple to handle, easy to use, be convenient to change the banbury external-compression type sealing device of sealing ring and maintenance, under identical condition of work, can effectively improve the service life of sealing effectiveness and the sealing ring of sealing device, can stop or greatly reduce the leakage of sealing device, thereby significantly reduce the pollution to surrounding enviroment.
The technical solution used in the present invention is as follows:
Banbury external-compression type sealing device of the present invention, comprise seal receptacle and armature spindle, described seal receptacle is fixed on banbury sidewall, described armature spindle is through the hole of seal receptacle, in the hole of described seal receptacle, be provided with the sealing ring and the flexible sealing ring that are placed on armature spindle, described flexible sealing ring and sealing ring fit, and described sealing ring and rotor end-face fit; On described armature spindle, cover has a pusher platen being butted on flexible sealing ring, and described pusher platen under external force, promotes sealing ring and is affixed on all the time and on rotor end-face, forms dynamic seal (packing).
Owing to having adopted said structure, when the sealing ring of rotor end-face laminating makes its banbury work, with the sealing ring of rotor end-face laminating in nonstatic state, while making can swing with rotor end-face between sealing ring, carry out dynamic adhesion sealing, the laminating clearance issues easily producing to compensate the rotary packing ring (sealing ring) of eliminating above-mentioned rotor end-face and stationary seal ring (flexible sealing ring).Simultaneously, after sealing ring, be in the passage between rotor journal and banburying chamber's sidewall endoporus, to increase wear-resisting together nonmetallic flexible material (flexible sealing ring), make under its promotion at pusher platen (by external pressure thrust), fill up cannelure on passage and armature spindle and seal receptacle, and push sealing ring to, so that sealing ring fits tightly rotor end-face.Adopt this dual sealing device, and then make rotor when rotated, reach effective sealing.The present invention adopts distinguished sealing device, with the key point addressing the leakage concern.Banbury external-compression type sealing device of the present invention, simple in structure, easy and simple to handle, easy to use, be convenient to change sealing ring and maintenance, under identical condition of work, can effectively improve the service life of sealing effectiveness and the sealing ring of sealing device, can stop or greatly reduce the leakage of sealing device, thereby significantly reduce the pollution to surrounding enviroment.
Banbury external-compression type sealing device of the present invention, on the outer wall of described rotor and the inwall of seal receptacle, be equipped with cannelure, the inner and outer wall of described flexible sealing ring can fill up cannelure, makes the inwall of flexible sealing ring and the outer wall of rotor, the outer wall of flexible sealing ring and the inwall of seal receptacle all form labyrinth seal structure.
Owing to having adopted said structure, flexible sealing ring, under the promotion (by external pressure thrust) of pusher platen, fills up the inwall of seal receptacle and the cannelure on armature spindle, and pushes sealing ring to, so that sealing ring fits tightly rotor end-face; Between the inwall of flexible sealing ring and the outer wall of rotor, the outer wall of flexible sealing ring and the inwall of seal receptacle, all form labyrinth seal structure, this kind of sealing means, make rotor when rotated, reach effective sealing, can stop or greatly reduce the leakage of sealing device, thereby significantly reduce the pollution to surrounding enviroment.
Banbury external-compression type sealing device of the present invention, the outer wall of described sealing ring and the outer wall of the inwall of seal receptacle and flexible sealing ring and the inwall of seal receptacle form respectively static seal structure.
Owing to having adopted said structure, the static seal structure that sealing ring, flexible sealing ring form with the inwall of seal receptacle respectively, can guarantee its sealing effectiveness effectively, can stop or greatly reduce the leakage of sealing device, thereby significantly reduce the pollution to surrounding enviroment.
Banbury external-compression type sealing device of the present invention, described seal receptacle is secured by bolts in the hole of banbury sidewall.
Owing to having adopted said structure, seal receptacle is fixed by bolts in the hole of banburying chamber's sidewall, can dismantle, and is convenient to maintenance.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
1, banbury external-compression type sealing device of the present invention, simple in structure, easy and simple to handle, easy to use, is convenient to change sealing ring and maintenance, is applicable to applying.
2, banbury external-compression type sealing device of the present invention, under identical condition of work, can effectively improve the service life of sealing effectiveness and the sealing ring of sealing device, can stop or greatly reduce the leakage of sealing device, thereby significantly reduce the pollution to surrounding enviroment.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of banbury external-compression type sealing device of the present invention;
Mark in figure: 1-rotor end-face, 2-banbury sidewall, 3-sealing ring, 4-flexible sealing ring, 5-pusher platen, 6-bearing block, 7-seal receptacle, 8-bolt, 9-cannelure, 10-armature spindle.
The specific embodiment
Disclosed all features in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
As shown in Figure 1, banbury external-compression type sealing device of the present invention, comprises seal receptacle 7 and armature spindle 10, and described seal receptacle 7 is fixed on banbury sidewall 2, and described seal receptacle 7 is fixed in the hole of banbury sidewall 2 by bolt 8 especially; The axle journal of described armature spindle enters bearing block 6 through banburying chamber's sidewall 2, in the hole of described seal receptacle 7, be provided with the sealing ring 3 and the flexible sealing ring 4 that are placed on armature spindle 10, on the inwall of the outer wall of wherein said rotor 10 and seal receptacle 7, be equipped with cannelure 9, the inner and outer wall of described flexible sealing ring 4 can fill up cannelure 9, makes the inwall of flexible sealing ring 4 and the outer wall of rotor 10, the outer wall of flexible sealing ring 4 and the inwall of seal receptacle 7 all form labyrinth seal structure; The inwall of the outer wall of the inwall of the outer wall of described sealing ring 3 and seal receptacle 7 and flexible sealing ring 4 and seal receptacle 7 forms respectively static seal structure; Described flexible sealing ring 4 fits with sealing ring 3, and described sealing ring 3 fits with rotor end-face 1; On described armature spindle 10, cover has the pusher platen 5 being butted on flexible sealing ring 4, and under external force, promotion sealing ring 3 is affixed on rotor end-face 1 and forms dynamic seal (packing) described pusher platen 5 all the time.
Banbury external-compression type sealing device of the present invention, adopt nonmetallic hard material with the sealing ring 3 of rotor end-face 1 laminating, simultaneously, after sealing ring 3, increase again one wear-resisting nonmetallic flexible material (being also flexible sealing ring 4), and then make armature spindle 10 when rotated, reach effective sealing.
Banbury external-compression type sealing device of the present invention, while making its banbury work with the sealing ring of rotor end-face 1 laminating, with the sealing ring 3 of rotor end-face 1 laminating in nonstatic state, when it can be swung with rotor end-face 1, carry out dynamic adhesion sealing, to compensate, eliminate above-mentioned rotor end-face 1 and the easy laminating clearance issues producing of sealing ring (sealing ring 3).Simultaneously, after sealing ring 3, be in the passage between rotor journal and banburying chamber's sidewall endoporus, to increase wear-resisting together nonmetallic flexible material (being also flexible sealing ring 4), make under its promotion at pusher platen (by external pressure thrust), fill up the cannelure 9 on passage, armature spindle 10 and seal receptacle 7, and push sealing ring 3 to, so that sealing ring 3 fits tightly rotor end-face 1.Adopt this dual sealing device, and then make rotor when rotated, reach effective sealing.The present invention that Here it is adopts distinguished sealing device, with the key point addressing the leakage concern.
Banbury external-compression type sealing device of the present invention, simple in structure, easy and simple to handle, easy to use, be convenient to change sealing ring and maintenance, be applicable to applying; Under identical condition of work, can effectively improve the service life of sealing effectiveness and the sealing ring of sealing device, can stop or greatly reduce the leakage of sealing device, thereby significantly reduce the pollution to surrounding enviroment.
Banbury external-compression type sealing device of the present invention, in the service life of effectively improving sealing effectiveness and the sealing ring of sealing device, reduce to shut down changes number of times and the time of stationary seal ring, is adapted at applying in the external pressure face seals of all specification banburies.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (4)
1. banbury external-compression type sealing device, it is characterized in that: it comprises seal receptacle (7) and armature spindle (10), described seal receptacle (7) is fixed on banbury sidewall (2), described armature spindle (10) is through the hole of seal receptacle (7), in the hole of described seal receptacle (7), be provided with the sealing ring (3) and the flexible sealing ring (4) that are placed on armature spindle (10), described flexible sealing ring (4) fits with sealing ring (3), and described sealing ring (3) fits with rotor end-face (1); At the upper cover of described armature spindle (10), have the pusher platen (5) being butted on flexible sealing ring (4), described pusher platen (5) under external force, promotes sealing ring (3) and is affixed on all the time the upper formation of rotor end-face (1) dynamic seal (packing).
2. banbury external-compression type sealing device as claimed in claim 1, it is characterized in that: on the inwall of the outer wall of described rotor (10) and seal receptacle (7), be equipped with cannelure (9), described flexible sealing ring (4) can fill up cannelure (9) under platen (5) active force, makes flexible sealing ring (4) with the outer wall of rotor (10) and forms labyrinth seal structure with the inwall of seal receptacle (7).
3. banbury external-compression type sealing device as claimed in claim 2, is characterized in that: the inwall of the outer wall of described sealing ring (3) and seal receptacle (7) and flexible sealing ring (4) form respectively static seal structure with the inwall of seal receptacle (7).
4. the banbury external-compression type sealing device as described in claim 1 or 2 or 3, is characterized in that: described seal receptacle (7) is fixed in the hole of banbury sidewall (2) by bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559305.1A CN103586990B (en) | 2013-11-12 | 2013-11-12 | Banbury external-compression type sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559305.1A CN103586990B (en) | 2013-11-12 | 2013-11-12 | Banbury external-compression type sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103586990A true CN103586990A (en) | 2014-02-19 |
| CN103586990B CN103586990B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310559305.1A Expired - Fee Related CN103586990B (en) | 2013-11-12 | 2013-11-12 | Banbury external-compression type sealing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992616A (en) * | 2017-05-25 | 2017-07-28 | 广东威灵电机制造有限公司 | Vibration damping rotor and motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701523B (en) * | 2020-06-28 | 2022-06-14 | 中国兵器装备集团自动化研究所 | Kneading safety transmission device |
Citations (8)
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|---|---|---|---|---|
| JP2002234026A (en) * | 2001-02-09 | 2002-08-20 | Bridgestone Corp | Seal structure of rubber mixing-kneading device |
| JP2008230250A (en) * | 2008-04-18 | 2008-10-02 | Mitsubishi Heavy Ind Ltd | Kneader |
| CN201140465Y (en) * | 2007-12-14 | 2008-10-29 | 益阳橡胶塑料机械集团有限公司 | Banbury mixer gallery port sealing device |
| CN101434109A (en) * | 2008-12-23 | 2009-05-20 | 益阳橡胶塑料机械集团有限公司 | Auxiliary sealing device of feeding door spindle of closed-smelting machine |
| CN202106482U (en) * | 2011-05-30 | 2012-01-11 | 乐山市新联机械制造有限责任公司 | Sealing device for air pressure end surface of internal mixer |
| CN202462680U (en) * | 2012-02-21 | 2012-10-03 | 福建环科集团三明市高科橡胶有限公司 | Rotor and end surface combined sealing device for internal mixer |
| CN202746591U (en) * | 2012-07-30 | 2013-02-20 | 昆山科信橡塑机械有限公司 | Internal rotor shaft end hydraulic sealing device for internal mixer |
| CN203566878U (en) * | 2013-11-12 | 2014-04-30 | 乐山市新联机械制造有限责任公司 | External-compression type sealing device for internal mixer |
-
2013
- 2013-11-12 CN CN201310559305.1A patent/CN103586990B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002234026A (en) * | 2001-02-09 | 2002-08-20 | Bridgestone Corp | Seal structure of rubber mixing-kneading device |
| CN201140465Y (en) * | 2007-12-14 | 2008-10-29 | 益阳橡胶塑料机械集团有限公司 | Banbury mixer gallery port sealing device |
| JP2008230250A (en) * | 2008-04-18 | 2008-10-02 | Mitsubishi Heavy Ind Ltd | Kneader |
| CN101434109A (en) * | 2008-12-23 | 2009-05-20 | 益阳橡胶塑料机械集团有限公司 | Auxiliary sealing device of feeding door spindle of closed-smelting machine |
| CN202106482U (en) * | 2011-05-30 | 2012-01-11 | 乐山市新联机械制造有限责任公司 | Sealing device for air pressure end surface of internal mixer |
| CN202462680U (en) * | 2012-02-21 | 2012-10-03 | 福建环科集团三明市高科橡胶有限公司 | Rotor and end surface combined sealing device for internal mixer |
| CN202746591U (en) * | 2012-07-30 | 2013-02-20 | 昆山科信橡塑机械有限公司 | Internal rotor shaft end hydraulic sealing device for internal mixer |
| CN203566878U (en) * | 2013-11-12 | 2014-04-30 | 乐山市新联机械制造有限责任公司 | External-compression type sealing device for internal mixer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992616A (en) * | 2017-05-25 | 2017-07-28 | 广东威灵电机制造有限公司 | Vibration damping rotor and motor |
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| CN103586990B (en) | 2016-04-13 |
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Granted publication date: 20160413 Termination date: 20161112 |