CN110388466A - A kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system - Google Patents
A kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system Download PDFInfo
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- CN110388466A CN110388466A CN201910795730.8A CN201910795730A CN110388466A CN 110388466 A CN110388466 A CN 110388466A CN 201910795730 A CN201910795730 A CN 201910795730A CN 110388466 A CN110388466 A CN 110388466A
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- eccentric disc
- sealing
- ring
- changing type
- quick
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- 238000007789 sealing Methods 0.000 title claims abstract description 142
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 45
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 45
- 238000005096 rolling process Methods 0.000 title claims abstract description 32
- 241001416181 Axis axis Species 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 30
- 239000000498 cooling water Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Gasket Seals (AREA)
Abstract
The invention belongs to rod-rolling mill accessory technical field more particularly to a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons systems.The technical solution for constituting the sealing system includes: " 8 " letter stencil there are two being arranged for stationary roll axis axis hole, the sealing mechanism for being provided with the eccentric disc for adjusting roll mandrel distance between axles in axis hole and being placed in the eccentric disc;It is provided with the stomata that can be connect with external gas source in the one end Huo of above-mentioned " 8 " letter stencil and the wooden partition of two end sides, the diameter being connected to the stomata is provided in the disk body of eccentric disc and inwardly blows oil gas air flue;It constitutes to be provided on the interior circle of eccentric disc and blows the corresponding air-flow outer groove of oil gas air flue with interior;The cooling direction of water on the interior circle for constituting eccentric disc is provided with several high pressure draughts and blocks slot.The system, which can be realized, effectively prevents cooling water from entering labyrinth structure, improves the isolating seal effect between the cooling water of high-speed rod-rolling mill and lubricating oil.
Description
Technical field
It is close with quick-changing type oil gas that the invention belongs to rod-rolling mill accessory technical fields more particularly to a kind of high-speed rod-rolling mill
Envelope system.
Background technique
High-speed rod-rolling mill is the accessory being used on five generations or six substituting metal wire finishing mills with sealing hydrocarbons system, main
It is used for the isolating seal of lubricating oil in the cooling water and roller case of steel rolling collars.The structure for constituting the system includes there are two settings
For " 8 " letter stencil of stationary roll axis axis hole, it is provided with the eccentric disc for adjusting roll mandrel distance between axles in axis hole and is placed on
The sealing mechanism that sealed support therein is constituted.In order to improve its sealing effect, Chinese Patent Application No. is
--- ZL201610172342.0, openly (announces) number and to disclose one kind for an application for a patent for invention of CN105570467A
High speed wire rod finishing block containment member.Constitute the structure of the component by eccentric disc, cover in the eccentric disc with bi-wing configuration
The sealing mechanism and cover in the upper and lower of the sealing mechanism two sides that elastic seal ring made of rubber-plastics material and steel-made support circle are constituted
Sealing ring is constituted;In order to further increase sealing performance, at least one wing ring is provided on the bi-wing configuration of above-mentioned sealing ring,
The medial surface of above-mentioned upper and lower sealing ring is provided with formation corresponding with above-mentioned wing ring bulge loop in sealing contact.Same China is specially
Benefit application No. is
--- ZL201710956037.5, openly (announces) number and to also disclose one kind for an application for a patent for invention of CN107882995A
More lip labyrinth-type excluders.The structure of the device is constituted by the rubber-plastics material system in eccentric disc with bi-wing configuration can be covered
At elastic seal ring and steel-made support circle constitute sealing mechanism and cover the upper and lower sealing ring structure in the sealing mechanism two sides
At;Simultaneously in order to further increase sealing effect, it is provided in the upper limb or/and bottom wing top shoulder for constituting sealing ring bi-wing configuration
Wing ring;The medial surface of the upper sealing ring is provided with bulge loop corresponding with the wing ring, and the bulge loop and corresponding wing ring
Between be non-contact structure so that the two formed labyrinth structure.
The high speed wire rod finishing block containment member of above structure although solve close between eccentric disc and roll mandrel substantially
Envelope problem, the i.e. more difficult sealing mechanism by being set between roll mandrel and eccentric disc of cooling water in side enter the other side
In grease-box, but since cooling water is in roll mandrel high-speed rotation, it still can be driven to form high-speed rotational and enter labyrinth
In structure, high pressure water flow is formed, is still had into the possibility in grease-box;In addition, only being set between eccentric disc and " 8 " letter stencil
If being equipped with the sealing ring of one or arterial highway, but its sealing effect is caused to fail immediately because sealing ring aging deforms for a long time.
Summary of the invention
Can be realized it is an object of the invention to provide one kind effectively prevents cooling water from entering labyrinth structure and improve its isolation
The high-speed rod-rolling mill of sealing effect quick-changing type sealing hydrocarbons system.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system, structure include
It is used for " 8 " letter stencil (1) of stationary roll axis axis hole (11) there are two being arranged, is provided in the axis hole for adjusting roll
The eccentric disc (4) of axis (12) distance between axles and the sealing mechanism (5) being placed in the eccentric disc;The wherein sealing mechanism (5) packet
Include the sealing element and be placed on its two sides and shape that elastic seal ring made of rubber-plastics material (51) and steel-made support circle (52) are formed
At the corresponding upper and lower sealing ring (61,62) of upper and lower labyrinth mechanism (66,67);" 8 " letter stencil one end or and both ends
The stomata (13) that can be connect with external gas source (2) is provided in the wooden partition of side, be provided in the disk body of the eccentric disc with
The diameter of stomata connection inwardly blows oil gas air flue (44);The cooling direction of water on the interior circle for constituting the eccentric disc is provided with
Several high pressure draughts blocks slot (54).
It further include following additional skill in the structure for constituting a kind of above-mentioned high-speed rod-rolling mill quick-changing type sealing hydrocarbons system
Art feature:
--- constitute the seal groove that can be inserted in sealing ring (41) there are two being arranged on the outer circle border of the eccentric disc respectively
It encloses (42), and is provided with air-flow annular groove (43) between the two seal groove circles;It is blown in described described in oil gas air flue (44) connection
Air-flow annular groove (43) and the high pressure draught block slot (54);
--- oil gas air flue (44), which is blown, in described is uniformly arranged for several;
--- it is angularly disposed with the central axis angle at an acute angle of the sealing element that the high pressure draught, which blocks slot (54),;
--- quick-changing type sealing hydrocarbons bracket is provided between the elastic seal ring (51) and the eccentric disc for constituting sealing element
(3), which is made of radial ring (35) and into a single integrated structure axial rings (36) normal thereto,
I.e. its section is in " T " or L shape structure;The quick-changing type sealing hydrocarbons bracket passes through its radial ring (35) and the eccentric disc or institute
The elastic seal ring stated is fixed;
--- the width for constituting the rubber seal (51) of the sealing element is equal with the width of eccentric disc (4);Structure
Positioning is constituted at the outer ring surface that the one end of the steel-made support circle (52) of the sealing element protrudes from the rubber seal (51)
Flange collar (58);The quick-changing type sealing hydrocarbons bracket (3) is fixed by screw (31) with the eccentric disc, on it side
It is provided with positioning ring groove (32) corresponding with positioning flange collar (58) for protruding from rubber seal (51) lateral surface;
--- the one end for constituting the steel-made support circle (52) of the sealing element protrudes from the outside of the rubber seal (51)
Face constitutes positioning flange collar (59);The quick-changing type sealing hydrocarbons bracket (3) is fixed by screw (31) with the eccentric disc,
And the quick-changing type sealing hydrocarbons bracket (3) is provided with external toroidal ring (33), is provided on the external toroidal ring (33) and protrudes from rubber with described
The corresponding positioning ring groove (32) of the positioning flange collar (59) of glue sealing ring (51) lateral surface;
--- constituting the two sides up and down of the elastic seal ring (51) of the sealing element, be provided with can be with the upper and lower sealing ring
(61,62) inside forms upper and lower bi-wing configuration (55,56) in sealing contact;
--- bulge loop (63) are provided on the inside of the upper and lower sealing ring (61,62), constitute the elastic seal ring of the sealing element
Upper and lower side be provided with both shoulders mechanism (64), non-contact structure is formed between the both shoulders mechanism and the bulge loop, so that the two shape
At labyrinth structure;
--- the width for constituting the upper sealing ring (61) is greater than the width of the elastic seal ring (51), and makes sealing
Ring can form gap (68) between the eccentric disc;
--- it is provided on the interior circle for constituting the eccentric disc and interior blows oil gas air flue (44) corresponding air-flow outer ring with described
Slot (53).
A kind of high-speed rod-rolling mill provided by the present invention compared with prior art, has with quick-changing type sealing hydrocarbons system
Following advantages: first, blocking slot due to being provided with several high pressure draughts on the interior circle of eccentric disc, pass through high pressure
Oil gas can effectively prevent to penetrate into the gap between elastic seal ring and eccentric disc, achieve the effect that sealing;Second, due to
It is angularly disposed with the central axis of the sealing element spatially acute angle that high pressure draught, which blocks slot, therefore high-pressure oil gas can be upper
High pressure cyclone is formed in labyrinth, can effectively be prevented pouring into the upward labyrinth of cooling water, be substantially reduced and profit is entered by labyrinth
A possibility that in oil tank, improves sealing effect;Third, due to being set between eccentric disc and the elastic seal ring of composition sealing element
It is equipped with quick-changing type sealing hydrocarbons bracket, so that forming detachable construction between eccentric disc and elastic seal ring, not only reduces setting
The difficulty of processing of the workpiece of the eccentric disc of oil gas air flue and air-flow outer groove is blown in having, and the rapid fractionation of workpiece may be implemented
And to the interior cleaning for blowing oil gas air flue and air-flow outer groove that is blocked to obtain;Fourth, due in the outer circle border for constituting eccentric disc
There are two upper settings can be inserted in the seal groove circle of sealing ring respectively, and be provided with air-flow annular groove between the two seal groove circles,
Therefore the sealing between eccentric disc and " 8 " letter stencil can effectively be solved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system;
Fig. 2 is the structural schematic diagram for constituting quick-changing type oil gas " 8 " letter stencil of Fig. 1 sealing system;
Fig. 3 is the first structural schematic diagram for constituting roll axis mechanism on the right side of system shown in Figure 1;
Fig. 4 is second of structural schematic diagram for constituting roll axis mechanism on the right side of system shown in Figure 1.
Fig. 5 is the structural schematic diagram of another high-speed rod-rolling mill quick-changing type sealing hydrocarbons system.
Specific embodiment
With reference to the accompanying drawing to the structure and work of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system provided by the present invention
It is described in further detail as principle.
It is that the work of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system provided by the present invention is former as shown in 1,2 and 3 figures
Manage structural schematic diagram.The structure for constituting the quick-changing type sealing hydrocarbons system includes: to be provided with left and right two for stationary roll axis
" 8 " letter stencil 1 of axis hole 11 is separately provided for adjusting the eccentric disc 4(of left and right 12 distance between axles of roll mandrel in two axis holes
Claim " quick-changing type sealing hydrocarbons plate "), the sealing mechanism 5 being placed in the eccentric disc;It constitutes on the outer circle border of above-mentioned eccentric disc
It can be inserted in the seal groove circle 42 of sealing ring 41 respectively there are two being arranged, and be provided with air-flow annular groove between the two seal groove circles
43;The air-flow annular groove be radially provided with several be connected to its internal ring wall in blow oil gas air flue 44;In above-mentioned " 8 " word
It is provided with the stomata 13 that can be connect with external gas source 2 in the wooden partition of two end sides of plate, the stomata and is fixed in above-mentioned axis hole
Eccentric disc the corresponding connection of air-flow annular groove 43;The sealing mechanism 5 being fixed in eccentric disc includes elasticity made of rubber-plastics material
The sealing element and be placed on its two sides and form upper and lower labyrinth mechanism with sealing element that sealing ring 51 and steel-made support circle 52 are formed
66,67 upper and lower sealing ring 61,62;It (can also be in the bullet for constituting above-mentioned sealing element on the interior circle for constituting above-mentioned eccentric disc
Property sealing ring 51 outer circle border on) be provided with constitute eccentric disc in blow the air-flow outer ring of the corresponding connection of oil gas air flue 44
Slot 53;The air-flow outer groove and the cooling water direction for constituting above-mentioned sealing element are provided with several high pressure draught closure slots
54;The purpose for being provided with air-flow outer groove 53 is that impurity in order to prevent in high-pressure oil gas internally blows oil gas air flue 44 and height
Pressure gas stream blocks the blocking of slot 54, and realizes quickly to remove and be convenient to clean.
Its working principle is that: the sealing mechanism 5 being sleeved on eccentric disc 4 is radially fixed high-speed rotating in steel rolling to be rolled
On roll shaft 12, then it is used to roll including being fixed on eccentric disc and the sealing mechanism being fixed in the eccentric disc in " 8 " letter stencil axis hole
The seal isolation of lubricating oil in the cooling water and roller case 6 of steel rider ring 14.Pass through external gas source 2 first to " 8 " letter stencil two end side panels
High-pressure oil gas is poured into stomata 13 in wall, high-pressure oil gas enters in the air-flow annular groove 43 of eccentric disc;Due to the high-pressure oil gas
Pressure is higher can effectively to prevent the cooling because of caused by the ageing failure for the sealing ring 41 for being fixed on the outer circle border of eccentric disc
The interior infiltration of water or lubricating oil, therefore it is possible to prevente effectively from sealing problem between 11 inner wall of eccentric disc and axis hole.Said flow annular groove
High-pressure oil gas in 43, then one by being radially disposed in eccentric disc disk body or equally distributed at least three (preferably
Uniform air-flow performance can be generated, can guarantee eccentric disc intensity again six or eight) diameter inwardly blow oil gas air flue 44 into
Enter air-flow outer groove 53, then blocks slot 54 further through high pressure draught and be blown into upper labyrinth 66, and form height in upper labyrinth
Pressure oil cyclonic current, the roller that can effectively prevent cooling water from penetrating into the other side of eccentric disc by constituting the sealing element of sealing mechanism
In the lubricating oil of case.
In the structure for constituting above-mentioned high-speed rod-rolling mill quick-changing type sealing hydrocarbons system:
--- the sealing mechanism being placed in eccentric disc include constitute sealing element elastic seal ring 51 and be set to its two sides it is upper,
Lower sealing ring 61,62;Wherein, the two sides up and down of elastic seal ring be provided with can be formed with the inside of upper and lower sealing ring it is non-close
The upper and lower bi-wing configuration 55,56 of (or in sealing contact) is touched in sealing-in;The inside of above-mentioned upper and lower sealing ring 61,62 is provided with bulge loop
63, the upper and lower end of elastic seal ring is provided with both shoulders mechanism 64,65, is formed between the both shoulders mechanism and above-mentioned bulge loop non-contact
Structure, so that the two forms composite maze structure;Slot 54 is blocked by high pressure draught to be blown on this in composite maze 66, is formed
High-pressure oil gas eddy flow more efficient can prevent cooling water from entering the lower composite maze being connected to roller case 6 by upper composite maze 66
67, improve its isolating seal effect;
--- in the structure for constituting sealing structure 5, the width for constituting upper sealing ring 61 is greater than the width of elastic seal ring 51, makes
It obtains and forms an annular gap 68, while uniformly distributed several high pressure draughts between upper sealing ring 61 and eccentric disc in cooling water side
Block slot 54 and sealing element central axis angle at an acute angle (angle is solid angle --- i.e. while the central axis with sealing element
F and it is radial at an acute angle) it is angularly disposed, i.e., the high pressure oil air-flow sprayed in slot 54 is blocked due to being three-dimensional by high pressure draught
Angular injection forms oil gas vortex in labyrinth, while it is upper compound that cooling water can be prevented to enter by the annular gap 68 again
In labyrinth 66, therefore cooling water is also just blocked to enter in the roller case being connected to lower labyrinth, i.e., has effectively prevented rolling process
In in roll mandrel two sides cooling water and lubricating oil mixing;
--- the oil gas that slot 54 is blocked to further increase high pressure draught shoots out effect, and can be in time and quickly clear
Reason makes the elastic seal ring 51 and eccentric disc that constitute sealing element to blowing oil gas air flue and air-flow outer groove in blocked
Between can effective position fix, be provided between the two be in by radial ring 35 and section normal thereto " T " or " L " type axial rings
The 36 quick-changing type sealing hydrocarbons brackets 3 constituted;The sealed support can both be fixed with elastic seal ring, can also with it is preferred that
Grease-box side is fixed with above-mentioned eccentric disc side;Its structure
As shown in Figure 3: the width for constituting the rubber seal 51 of above-mentioned sealing element is equal with the width of above-mentioned eccentric disc 4;Structure
Positioning flange collar 58 is constituted at the outer ring surface that the one end of the steel-made support circle 52 of sealing element protrudes from rubber seal 51;In composition
The radial ring 35 for stating quick-changing type sealing hydrocarbons bracket loop 3 is fixed by screw 31 with eccentric disc, be provided in axial rings 36 with
The above-mentioned positioning flange collar 58 for protruding from 51 lateral surface of rubber seal is corresponding and the positioning ring groove 32 of fast and easy dismounting.I.e. by
The quick-changing type sealing hydrocarbons bracket loop 3 of " L " type is fixed on the medial surface of eccentric disc by screw, and is formed outside air-flow with its medial surface
Annular groove 53 and angularly disposed high pressure draught block slot 54, while the positioning flange collar 58 of 51 lateral surface of rubber seal is caught in
Fast Installation can be realized in positioning ring groove 32.Its structure can also be
As shown in figure 4, the width for the rubber seal 51 for constituting above-mentioned sealing element is not identical as the width of above-mentioned eccentric disc 4
When, it is fixed that the lateral surface that the one end of the steel-made support circle 52 in the rubber seal of the structure protrudes from rubber seal 51 is constituted
Position flange collar 59;Composition quick-changing type sealing hydrocarbons bracket 3 is T-shape structure, i.e., its radial ring 35 is solid by screw 31 and eccentric disc
It is fixed, and the positioning ring groove 32 being set on the outer side ring 33 of radial direction ring 35 and the lateral surface that protrudes from rubber seal 51 are determined
The position positioning of flange collar 59 corresponds to;Quick-changing type sealing hydrocarbons bracket loop 3 is fixed on to by screw the medial surface of eccentric disc, axial rings 36
Air-flow outer groove 53 is formed with its medial surface and angularly disposed high pressure draught blocks slot 54, while outside rubber seal 51
The positioning flange collar 59 of side is caught in the Fast Installation that the sealing mechanism can be realized in positioning ring groove 32.
In the structure for constituting above-mentioned high-speed rod-rolling mill quick-changing type sealing hydrocarbons system, it is made of radial ring and axial rings
Quick-changing type sealing hydrocarbons bracket 3 can also be directly solid with the lateral surface for the rubber seal 51 for constituting sealing element by screw
Fixed, effect is consistent with the effect of Fig. 3 and Fig. 4 structure: be equally composition quick-changing type sealing hydrocarbons bracket 3 radial ring 35 and
Rubber seal 51 is fixed, and the medial surface of axial rings 36 and eccentric disc forms air-flow outer groove 53 and angularly disposed high pressure
Air-flow blocks slot 54, equally can form eddy flow by blocking the high-pressure oil gas that slot 54 sprays by high pressure draught, effectively hinder
Only cooling water enters in upper labyrinth.
As shown in figure 5, in order to simplify its structure, external gas source 2 connects in constituting the quick-changing type sealing hydrocarbons system
The stomata 13 connect can be positioned only in the wooden partition of the one end of " 8 " letter stencil, while be used for stationary roll connecting left and right two
The connection of the air-flow annular groove 43 of two eccentric discs in setting connection left and right is logical in the plate body of the junction 9 of " 8 " letter stencil of axis axis hole 11
Road 91, i.e., by external gas source 2 can be passed through high-pressure oil gas in two eccentric discs and its sealing mechanism to the left and right, with
Realize the purpose of the isolating seal of cooling water and lubricating oil.
Claims (11)
1. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system, structure include
It is used for " 8 " letter stencil (1) of stationary roll axis axis hole (11) there are two being arranged, is provided in the axis hole for adjusting roll
The eccentric disc (4) of axis (12) distance between axles and the sealing mechanism (5) being placed in the eccentric disc;The wherein sealing mechanism (5) packet
Include the sealing element and be placed on its two sides and shape that elastic seal ring made of rubber-plastics material (51) and steel-made support circle (52) are formed
At the corresponding upper and lower sealing ring (61,62) of upper and lower labyrinth mechanism (66,67);It is characterized by:
The stomata that can be connect with external gas source (2) is provided in the one end Huo of " 8 " letter stencil and the wooden partition of two end sides
(13), it is provided with the diameter being connected to the stomata in the disk body of the eccentric disc and inwardly blows oil gas air flue (44);Described in composition
The cooling direction of water on the interior circle of eccentric disc is provided with several high pressure draughts and blocks slot (54).
2. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: constitute institute
State and be arranged on the outer circle border of eccentric disc there are two can be inserted in the seal groove circle (42) of sealing ring (41) respectively, and this two
Air-flow annular groove (43) are provided between a seal groove circle;Blown in described oil gas air flue (44) connection air-flow annular groove (43) and
The high pressure draught blocks slot (54).
3. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: it is described
Oil gas air flue (44) is inside blown to be uniformly arranged for several.
4. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: it is described
It is angularly disposed with the central axis angle at an acute angle of the sealing element that high pressure draught, which blocks slot (54),.
5. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: it is constituting
Quick-changing type sealing hydrocarbons bracket (3), quick-changing type oil are provided between the elastic seal ring (51) of sealing element and the eccentric disc
Hermetic seal bracket (3) is made of radial ring (35) and into a single integrated structure axial rings (36) normal thereto, i.e., its section in " T " or
L shape structure;The quick-changing type sealing hydrocarbons bracket passes through its radial ring (35) and the eccentric disc or the elastic seal ring
It is fixed.
6. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: constitute institute
The width of the rubber seal (51) for the sealing element stated is equal with the width of eccentric disc (4);Constitute the sealing element
The outer ring surface that the one end of steel-made support circle (52) protrudes from the rubber seal (51) constitutes positioning flange collar (58);Described
Quick-changing type sealing hydrocarbons bracket (3) is fixed by screw (31) with the eccentric disc, on it side be provided with it is described convex
For the corresponding positioning ring groove (32) of positioning flange collar (58) of rubber seal (51) lateral surface.
7. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: constitute institute
The one end for stating the steel-made support circle (52) of sealing element protrudes from the lateral surface composition positioning flange collar of the rubber seal (51)
(59);The quick-changing type sealing hydrocarbons bracket (3) is fixed by screw (31) with the eccentric disc, and the quick-changing type oil gas
Sealed support (3) is provided with external toroidal ring (33), is provided on the external toroidal ring (33) and protrudes from rubber seal (51) outside with described
The corresponding positioning ring groove (32) of the positioning flange collar (59) of side.
8. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: constitute institute
Stating the two sides up and down of the elastic seal ring (51) of sealing element, be provided with can be with shape on the inside of the upper and lower sealing ring (61,62)
The upper and lower bi-wing configuration (55,56) contacted at non-tight.
9. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: described
Bulge loop (63) are provided on the inside of upper and lower sealing ring (61,62), the upper and lower side for constituting the elastic seal ring of the sealing element is provided with
Both shoulders mechanism (64) forms non-contact structure between the both shoulders mechanism and the bulge loop, so that the two forms labyrinth structure.
10. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: it constitutes
The width of the upper sealing ring (61) be greater than the elastic seal ring (51) width, and enable upper sealing ring with it is described
Eccentric disc between formed gap (68).
11. a kind of high-speed rod-rolling mill quick-changing type sealing hydrocarbons system as described in claim 1, it is characterised in that: in structure
Interior oil gas air flue (44) corresponding air-flow outer groove (53) is blown with described at being provided on the interior circle of the eccentric disc.
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CN111750111A (en) * | 2020-08-08 | 2020-10-09 | 宋阳 | Quick-change type oil-gas sealing system |
CN111750106A (en) * | 2020-08-08 | 2020-10-09 | 宋阳 | Quick-change multi-lip sealing component |
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Application publication date: 20191029 |