CN109648706B - It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer - Google Patents
It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer Download PDFInfo
- Publication number
- CN109648706B CN109648706B CN201910079739.9A CN201910079739A CN109648706B CN 109648706 B CN109648706 B CN 109648706B CN 201910079739 A CN201910079739 A CN 201910079739A CN 109648706 B CN109648706 B CN 109648706B
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- China
- Prior art keywords
- lip
- type packing
- sealing gland
- cylinder
- line control
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0818—Charging or discharging gates or chutes; Sealing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The present invention provide it is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer, including agitating shaft, cylinder, gland, gland is connect by bolt with cylinder, agitating shaft wears the centre bore of cylinder and gland, it further include controller, piston cylinder, flowmeter, spring, it can be according to the operating power of blender, the leakage rate under current power is adjusted using controller, guarantee lubrication and sealing effect, prevent dust leakage, improve environment protecting, and improve the service life of blender, to prevent the dry powder particle in blender from overflowing, realize lubricating function, reduce friction, to become it is a kind of can on-line control lubricating arrangement environment-friendly type blender.
Description
Technical field
The present invention relates to a kind of blender, more particularly to it is a kind of with can on-line control lubricating arrangement ring
Guarantor's type blender.
Background technique
Dry-mixed mortar stirrer is the core equipment in dry-mixed mortar production line, and dry-mixed mortar stirrer is working long hours
Abrasion can be generated in the process, thus the problems such as causing dust leakage, existing dry-mixed mortar stirrer can install additional in stirring axial terminal
The devices such as hermetic seal, lubrication sealing, can reduce the abrasion of agitating shaft, reduce leakage.But blender is during the work time, meeting
Vibration is generated, also difference is vibrated under different capacity, the leakage rate of lubricating arrangement is also different, therefore existing blender can aggravate to let out
Leakage, and it is easily damaged the internal structure of blender, the service life of blender is reduced, cost is improved.
Summary of the invention
The present invention be to avoid above-mentioned existing deficiencies in the technology, provide it is a kind of with can on-line control profit
The environment-friendly type blender of sliding device can adjust the leakage under current power using controller according to the operating power of blender
Amount guarantees lubrication and sealing effect, prevents dust leakage, improves environment protecting, and improve the service life of blender.
The present invention adopts the following technical scheme that in order to solve the technical problem
It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer, including it is agitating shaft, cylinder, close
Sealed cover, controller, flowmeter, piston cylinder, sealing gland are connect by bolt with cylinder, and agitating shaft wears cylinder and sealing pressure
The centre bore of lid, which is characterized in that seal receptacle, the first lip packing are provided in the space formed between sealing gland and cylinder
Circle, spring, the second lip-type packing, seal receptacle are fixed on agitating shaft by holding screw, the first lip-type packing, spring,
Second lip-type packing is set on seal receptacle, and the first lip-type packing is fixedly connected with seal receptacle, the second lip-type packing
Including circular matrix, the radially outer end of described matrix is in axial direction provided with lip, lip and sealing gland it is interior
Surface is adjacent and forms gap, and the longitudinal end of the external lip of first lip-type packing radially is connected to the lip
The inner surface in portion, the axial end portion of inner lip of first lip-type packing radially are abutted with one end of spring, bullet
The other end of spring is abutted with one end of the radial inner end of the matrix of the second lip-type packing, and it is logical that gas supply is provided on sealing gland
Road is also provided with rod aperture on sealing gland, and piston cylinder is fixed on the outside of sealing gland, and the piston rod of piston cylinder, which passes through, lives
Stopper rod hole is connected to the other end of the radial inner end of the matrix of the second lip-type packing, the air supply channel external gas source, when
When external gas source is passed through gas, air film, flow are formed through the gap between the lip and sealing gland of the second lip-type packing
Leakage rate at meter detection air film, controller is according to leakage rate, the displacement of regulating piston bar.
Preferably, the middle part of the matrix of the second lip-type packing radially is provided with throttle orifice, second lip shape
Sealing ring, the first lip-type packing form the first cavity, shape between second lip-type packing and sealing gland between spring
At the second cavity, the external gas source gas enters the second cavity by air supply channel and passes through two paths, the gas warp
The gap pass through the second lip-type packing lip be formed as first path, thus the second lip-type packing lip with it is close
Air film is formed between sealed cover, the gas enters the first cavity through throttle orifice and is formed as the second path.
Preferably, first lip-type packing is U-shaped sealing ring.
Preferably, the lip of second lip-type packing is towards sealing medium side, the lip of second lip-type packing
Portion includes the first lip portion segments, the second lip portion segments and the taper connection section for connecting the first lip portion segments and the second lip portion segments, the second lip
Section is parallel to agitating shaft, and the first lip portion segments are made of parallel-segment, conical section, and the taper of the conical section is less than taper connection section
Taper.
Preferably, gasket is additionally provided between second lip-type packing and piston rod.
Beneficial effects of the present invention are as follows:
1. the present invention is in agitating shaft rotation process, using external gas source gas pressure, make the second lip-type packing with it is close
Lubrication air film is formed between sealed cover, and since sealing gas is constantly blown into the sealing medium side of blender, can prevent from stirring
Mix dry powder particle in machine to overflow, form dual-seal using sealing ring and hermetic seal, and the second lip-type packing with stir
It, can be direct to avoid the second lip-type packing and sealing gland due to lubricating the effect of air film during mixing axis common rotation
Lubricating function is realized in contact, reduces friction.In addition, the second lip-type packing of the invention is provided with the second lip portion segments and taper
Linkage section, using taper connection section and the second lip portion segments, when external gas source gas passes through first path, due to taper connection section
Taper it is larger, can in order to by source gas pressure introduce gap, to facilitate the formation of air film.
2. the present invention is under conditions of guaranteeing gas film lubrication, in order to reduce leakage as far as possible, this invention takes three kinds
Measure: being provided parallel to section and conical section for the lip of the second lip-type packing first, and external gas source gas flows through first path
When, the conical section of the lip of the second lip-type packing is first passed through, then first path gradually restrains diminution, after parallel-segment
It is flowed out from gap, to further decrease leakage under conditions of guaranteeing gas film behavior, improves lubrication and leakproofness；Secondly also
It is additionally arranged the first lip-type packing, and the first lip-type packing is made to support the second lip-type packing, realizes rigid support, to reduce
Leakage；In addition, being also additionally arranged the second path, by the second path, external gas source gas is introduced into the first cavity, works as external gas source
Gas pressure fluctuates, and since external gas source gas can introduce the first cavity, acts on inside and outside the second lip-type packing two
The power on surface is held essentially constant, thus make gap will not due to external gas source gas pressure fluctuation and fluctuate, guarantee
The stability of air film reduces gap to the sensibility of external source gas pressure, also reduces leakage rate.
3. the present invention changes the first lip packing by setting spring, piston cylinder, controller, flowmeter, according to leakage rate
The contact position of the longitudinal end of the external lip of circle and the parallel-segment of the second lip-type packing, to make parallel-segment and conical section edge
Axial dimension changes, and gap size is maintained appropriate value, to adapt to the different capacity of blender.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the enlarged drawing at A of the present invention.
Appended drawing reference in figure is respectively as follows: 1- cylinder, 2- sealing gland, 3- air supply channel, 4- piston cylinder, 5- clamp screw
Nail, 6- seal receptacle, the first lip-type packing of 7-, 8- gasket, 9- spring, the second lip-type packing of 10-, 11- throttle orifice, 12- spiral shell
Bolt, 13- agitating shaft.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer, including agitating shaft 13, cylinder
1, sealing gland 2, flowmeter (not shown), controller (not shown), sealing gland 2 pass through bolt 12 and cylinder 1
Connection, agitating shaft 13 wear the centre bore of cylinder 1 and sealing gland 2, which is characterized in that are formed between sealing gland 2 and cylinder 1
Space in be provided with seal receptacle 6, the first lip-type packing 7, spring 9, the second lip-type packing 10, seal receptacle 6 passes through tightening
Screw 5 is fixed on agitating shaft 13, and the first lip-type packing 7, spring 9, the second lip-type packing 10 are set in seal receptacle 6
On, the first lip-type packing 7 is U-shaped sealing ring, and the lip of the U-shaped sealing ring is towards exterior space side, the U-shaped sealing ring
Base portion by the first latch (not shown) it is circumferentially positioned on seal receptacle and pass through the first snap ring (not shown)
It is axially fixed on seal receptacle 6, the second lip-type packing 10 includes circular matrix, and the radially outer end of described matrix is along axis
Direction is provided with lip, the lip of the second lip-type packing 10 towards sealing medium side, second lip-type packing 10
Lip include the first lip portion segments, the second lip portion segments and connect the first lip portion segments and the second lip portion segments taper connection section, second
Lip portion segments are parallel to agitating shaft, and the first lip portion segments are made of parallel-segment, conical section, and the taper of the conical section is less than taper connection
The taper of section, first lip portion segments are adjacent with the inner surface of sealing gland and form gap, and the U-shaped sealing ring is radially square
To the longitudinal end of external lip be connected to the inner surface of the parallel-segment, the inner lip of the U-shaped sealing ring radially
Axial end portion abutted with one end of spring 9, the radial inner end of the matrix of the other end of spring 9 and the second lip-type packing 10
One end abut, second lip-type packing 10, the first lip-type packing 7 form the first cavity between spring 9, described the
Form the second cavity between two lip-type packings 10 and sealing gland 2, the matrix of the second lip-type packing 10 is radially
Middle part is provided with throttle orifice 11, and air supply channel 3 is provided on sealing gland 2, and 3 external gas source of air supply channel is described external
Source gas enters the second cavity by air supply channel 3 and passes through two paths, and the gas passes through the second lip through the gap
The lip of shape sealing ring 10 is formed as first path, thus the shape between the lip and sealing gland 2 of the second lip-type packing 10
At air film, the gas is formed as the second path into the first cavity through throttle orifice 11, and sealing gland 2 is located at the outer of the space
Side is fixed with piston cylinder, and rod aperture is offered on sealing gland 2, and piston rod passes through rod aperture and the second lip-type packing 10
Matrix radial inner end the other end abut.
The present invention passes through external gas source gas using gap is formed between the second lip-type packing 10 and sealing gland 2
Gap forms air film between the second lip-type packing 10 and sealing gland 2, achievees the effect that lubrication sealing.Secondly, meeting
Under conditions of air film, in order to reduce leakage caused by gap, the first lip-type packing 7 is arranged in the application, and keeps the first lip shape close
Seal 7 supports the second lip-type packing 10.In addition, the branch provided to the second lip-type packing 10 due to the first lip-type packing 7
Load be it is fixed, the gap between the second lip-type packing 10 and sealing gland 2 is mainly by the shadow of external gas source gas pressure
It rings, in order to reduce gap to the sensibility of external source gas pressure, the application is also provided with the second path, passes through the second tunnel
External gas source gas is introduced the first cavity by diameter, at this point, when external gas source gas pressure fluctuates, due to external gas source gas
Know from experience and introduce the first cavity, the power for acting on two surfaces inside and outside the second lip-type packing 10 is held essentially constant, thus between making
Gap will not due to external gas source gas pressure fluctuation and fluctuate, ensure that the stability of air film, and make gap as far as possible
Reduce to reduce leakage.
The course of work of the invention is as follows: at work, external gas source is by the air supply channel on sealing gland 2 for blender
Into the second cavity formed between the second lip-type packing 10 and sealing gland 2, the lip of the second lip-type packing 10 is acted on
The pressure of portion outer surface is external gas source gas pressure P, while external gas source gas pressure acts on second by the second path
The pressure of the lip inner surface of lip-type packing 10 is external gas source gas throttling pressure PSection, and the first lip-type packing 7 is made
Pressure used in the lip inner surface of the second lip-type packing 10 is the first lip-type packing elastic force PBullet, the second lip-type packing 10
Lip surfaces externally and internally kept under the action of above-mentioned three kinds of power balance so that the lip of the second lip-type packing 10 and sealing press
Gap remained constant between lid 2, to form gas film sealing between the lip and sealing gland 2 of the second lip-type packing 10
Structure realizes the effect of lubrication and sealing.
In order to further decrease leakage, the lip of the second lip-type packing 10 of the invention is provided parallel to section and taper
Section, the longitudinal end of the external lip of the U-shaped sealing ring radially are connected to the inner surface of the parallel-segment, external gas source
When gas flows through first path, the conical section of the lip of the second lip-type packing 10 is first passed through, then first path gradually restrains
It reduces, is flowed out using after parallel-segment from gap, to further decrease leakage under conditions of guaranteeing gas film behavior, improved
Lubrication and leakproofness.
In addition, the present invention is also in the second lip-type packing 10 and the first lip-type packing 7 in order to improve performance of the invention
Between be provided with spring, piston cylinder, controller, flowmeter, flowmeter acquires the leakage rate of gap location in real time, and controller is according to letting out
Leakage quantity adjusts the overhang of piston rod, and then changes the longitudinal end and the second lip-type packing 10 of the external lip of U-shaped sealing ring
Parallel-segment contact position, when conical section of the external gas source gas Jing Guo the second lip-type packing 10, due to contact position
It changes, under the action of external source gas pressure, parallel-segment and conical section change along axial dimension, thus between making
Gap size maintains appropriate value.
The second lip-type packing is also provided with the second lip portion segments and taper connection section in the present invention, using taper connection section with
Second lip portion segments, can be in order to by gas since the taper of taper connection section is larger when external gas source gas passes through first path
Source gas pressure introduces gap, to facilitate the formation of air film.Piston cylinder of the invention is set as 3 and is evenly arranged on outside sealing gland
Side makes the second lip-type packing uniform force, mobile uniform.In addition, being also set up between the second lip-type packing and piston rod
There is gasket 8.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (5)
1. it is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer, including agitating shaft, cylinder, sealing
Gland, controller, flowmeter, piston cylinder, sealing gland are connect by bolt with cylinder, and agitating shaft wears cylinder and sealing gland
Centre bore, which is characterized in that seal receptacle, the first lip packing are provided in the space formed between sealing gland and cylinder
Circle, spring, the second lip-type packing, seal receptacle are fixed on agitating shaft by holding screw, first lip-type packing, bullet
Spring, the second lip-type packing are set on seal receptacle, and the first lip-type packing is fixedly connected with seal receptacle, the second lip packing
Circle includes circular matrix, and the radially outer end of described matrix is in axial direction provided with lip, lip and sealing gland
Inner surface is adjacent and forms gap, and the longitudinal end of the external lip of first lip-type packing radially is connected to described
The inner surface of the lip of second lip-type packing, the axial end portion of the inner lip of first lip-type packing radially with
One end of spring abuts, and the other end of spring is abutted with one end of the radial inner end of the matrix of the second lip-type packing, seals
It is provided with air supply channel on gland, rod aperture is also provided on sealing gland, piston cylinder is fixed on the outside of sealing gland, it is living
The piston rod of plug cylinder is connected to the other end of the radial inner end of the matrix of the second lip-type packing, the confession across rod aperture
Gas channel external gas source, when external gas source is passed through gas, through described between the lip and sealing gland of the second lip-type packing
Gap forms air film, and flowmeter detects the leakage rate at air film, and controller is according to leakage rate, the displacement of regulating piston bar.
2. it is a kind of it is according to claim 1 have can on-line control lubricating arrangement environment-friendly dry blended mortar mixer,
The middle part of the matrix of second lip-type packing radially is provided with throttle orifice, second lip-type packing, the first lip shape
The first cavity is formed between sealing ring, spring, and the second cavity is formed between second lip-type packing and sealing gland, it is described
External gas source gas enters the second cavity by air supply channel and passes through two paths, and the gas passes through second through the gap
The lip of lip-type packing is formed as first path, to form gas between the lip and sealing gland of the second lip-type packing
Film, the gas enter the first cavity through throttle orifice and are formed as the second path.
3. it is a kind of it is according to claim 1 have can on-line control lubricating arrangement environment-friendly dry blended mortar mixer,
Gasket is additionally provided between second lip-type packing and piston rod.
4. it is a kind of it is according to claim 1 have can on-line control lubricating arrangement environment-friendly dry blended mortar mixer,
The lip of second lip-type packing includes the first lip towards sealing medium side, the lip of second lip-type packing
Section, the second lip portion segments and the taper connection section for connecting the first lip portion segments and the second lip portion segments, the second lip portion segments are parallel to stirring
Axis, the first lip portion segments are made of parallel-segment, conical section, and the taper of the conical section is less than the taper of taper connection section.
5. it is a kind of it is according to claim 1 have can on-line control lubricating arrangement environment-friendly dry blended mortar mixer,
The piston cylinder is set as 3, is evenly arranged on the outside of sealing gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079739.9A CN109648706B (en) | 2019-01-28 | 2019-01-28 | It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079739.9A CN109648706B (en) | 2019-01-28 | 2019-01-28 | It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109648706A CN109648706A (en) | 2019-04-19 |
| CN109648706B true CN109648706B (en) | 2019-08-20 |
Family
ID=66120873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910079739.9A Active CN109648706B (en) | 2019-01-28 | 2019-01-28 | It is a kind of with can on-line control lubricating arrangement environment-friendly dry blended mortar mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109648706B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001066068A (en) * | 1999-08-26 | 2001-03-16 | Mintekku Japan Kk | Method and material for repairing wall face of structure such as furnace |
| CN201067950Y (en) * | 2007-06-14 | 2008-06-04 | 福建南方路面机械有限公司 | Horizontal stirrer with fly cutter stirring device |
| CN202764011U (en) * | 2012-09-26 | 2013-03-06 | 李建华 | Spiral dry-mixed mortar mixer |
| CN104742253B (en) * | 2015-04-02 | 2017-06-30 | 福建南方路面机械有限公司 | Full-open type discharge door component and the dry-mixed mortar stirrer with the discharge door component |
| CN204692588U (en) * | 2015-05-25 | 2015-10-07 | 浙江工业大学 | The gas lubrication mechanical seal device that a kind of closing force is adjustable online |
| CN206605651U (en) * | 2017-03-21 | 2017-11-03 | 徐州徐工施维英机械有限公司 | A kind of dry-mixed mortar stirrer feeding device |
-
2019
- 2019-01-28 CN CN201910079739.9A patent/CN109648706B/en active Active
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| Publication number | Publication date |
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| CN109648706A (en) | 2019-04-19 |
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