CN203540368U - Intervention-type high-speed fly cutter unit of horizontal mixer - Google Patents
Intervention-type high-speed fly cutter unit of horizontal mixer Download PDFInfo
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- CN203540368U CN203540368U CN201320615022.XU CN201320615022U CN203540368U CN 203540368 U CN203540368 U CN 203540368U CN 201320615022 U CN201320615022 U CN 201320615022U CN 203540368 U CN203540368 U CN 203540368U
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- fly cutter
- reverse bias
- chamber
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- bearing
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Abstract
The utility model discloses an intervention-type high-speed fly cutter unit of a horizontal mixer. The intervention-type high-speed fly cutter unit of the horizontal mixer comprises a bearing chamber, a fly cutter shaft and a plurality of fly cutters, wherein the fly cutter shaft is horizontally arranged and one end of the fly cutter shaft is installed on a bearing in the bearing chamber; the plurality of fly cutters are installed on the fly cutter shaft; fly cutter separation sleeves are all arranged among each group of fly cutters; the front end of the fly cutter shaft is provided with a gland; a diameter expanding wheel and a reverse bias dust collecting chamber are also installed on the fly cutter shaft and between the fly cutters and the bearing chamber; the reverse bias dust collecting chamber is fixedly installed at the left side of the bearing chamber, and the reverse bias dust collecting chamber and the bearing chamber are connected in a sealed mode; the inner side of the right side wall of the reverse bias dust collecting chamber is provided with a first moving seal for preventing dust from entering the bearing chamber; the reverse bias dust collecting chamber is connected with a compressed air source; the diameter expanding wheel is fixedly installed on the fly cutter shaft, and is connected with the reverse bias dust collecting chamber in a sealed mode; a plurality of wedge-shaped teeth are uniformly distributed on the diameter expanding wheel along the peripheral direction. The intervention-type high-speed fly cutter unit has the advantages that the technical difficulties that material media overflow externally along axial clearances, seal elements and bearings are damaged, a motor is burned and frequent stopping is needed are overcome, the production cost is reduced, and the production efficiency is improved.
Description
Technical field
The utility model relates to flat mixer, particularly relates to the insertion type high speed fly cutter unit of flat mixer.
Background technology
Mixer is the plant equipment of utilizing mechanical force and gravity etc. that two or more material is evenly mixed, various materials can be fitted in to uniform mixture.
Mixer mainly consists of tank body, active force colter and a plurality of fly cutter units of being arranged in tank body, is generally divided into horizontal and vertical two kinds.Existing flat mixer, the structure of its fly cutter unit as shown in Figure 1, comprises that bearing chamber 10, one end are arranged on the fly cutter axle 11 on bearing chamber 10 inner bearings and are arranged on 6 groups of fly cuttves 13 on fly cutter axle 11.Each is organized between fly cutter 13 and is provided with fly cutter separation sleeve 12, at fly cutter axle 11 front ends, gland 14 is installed.In addition, for preventing that dust from entering bearing chamber 10, bearing chamber 10 is provided with seal chamber 15 anterior with fly cutter axle adjacent, at the indoor seal that is provided with of seal.
There is following shortcoming in the flat mixer of said structure:
1,, because operating pressure in tank body is 700-1000pa, under the effect of pressure, powder and rinse water still can enter bearing chamber by seal, cause bearing damage.Because operating temperature in tank body is 70-80 degree, meeting accelerated warming and accelerated wear test under dry working condition; In addition, water for cleaning can produce water vapour, and the in the situation that of seal failure, water vapour also can enter motor internal by bearing chamber, damages motor bearings and winding;
2, because bearing chamber axial location is short, and blade region is axially long, so bad dynamic balancing factor is exaggerated, causes that equipment noise is high, mechanical wear is large.
Summary of the invention
An object of the present utility model is to provide the insertion type high speed fly cutter unit of the good flat mixer of a kind of sealing.
Another object of the present utility model is to provide a kind of insertion type high speed fly cutter unit with the flat mixer of better dynamic balance performance.
For this reason, the technical solution of the utility model is as follows:
A kind of insertion type high speed fly cutter unit of flat mixer, comprise: bearing chamber, be horizontally disposed with and one end is arranged on fly cutter axle on bearing chamber inner bearing and is arranged on the many groups fly cutter on fly cutter axle, each is organized and between fly cutter, is provided with fly cutter separation sleeve, at fly cutter axle front end, gland is installed, on described fly cutter axle, one footpath is also installed between described fly cutter and bearing chamber and expands wheel and a reverse bias dust storage chamber, described reverse bias dust storage chamber is packed on the left of described bearing chamber and between the two and is tightly connected, in the inner side of the right side wall of described reverse bias dust storage chamber, be provided with and prevent that dust from entering the 1st movable sealing of described bearing chamber, described reverse bias dust storage chamber is connected with compressed air source, described footpath expand that wheel is packed on described fly cutter axle and and described reverse bias dust storage chamber between be tightly connected, in described footpath, expand on wheel and be along the circumferential direction evenly equipped with a plurality of chisel teeths.
In the utility model, described fly cutter is provided with 4 groups altogether.
Described reverse bias dust storage chamber is the flat cylindrical of lying down, and left end cap and the sidewall being integrally formed and right end cap, consists of, and described left end cap is packed on described sidewall.
The middle part of the left and right end cap of described reverse bias dust storage chamber stretches out respectively and forms the 1st, the 2nd annular protrusion, described two annular protrusions stretch into respectively described footpath and expand in wheel and bearing chamber, between two annular protrusions and described fly cutter axle, be respectively arranged with the 1st, the 2nd static seal, on the wall of Kuo Lun right side, described footpath, be formed with annular movable sealing chamber, be provided with the 2nd movable sealing movable sealing is indoor, between the 2nd movable sealing and described the 1st static seal 29a, form seal closure face.
Described the 1st movable sealing is packed on described fly cutter axle, is the flat cylindrical of an end opening, and its opening one end embeds in the annular groove forming on described reverse bias dust storage chamber right side wall and can rotate with respect to described annular groove.
Between described fly cutter axle and motor shaft, by a shaft coupling, connect, in described shaft coupling, be provided with elastomer block.Described shaft coupling is GB product, and elastomer block is generally made by polyurethane.
Between described the 2nd annular protrusion inner side, the 2nd static seal and bearing, around described fly cutter axle, be formed with an annular accumulator, in the wall of described bearing chamber, be formed with to the annular oil circuit of described annular accumulator and bearing fuel feeding.
Described compressed air source is connected with described reverse bias dust storage chamber after purified treatment.
The insertion type high speed fly cutter unit of flat mixer of the present utility model; utilize reverse bias air film sealing technique; broken through existing flat mixer due to tank interior have the material medium that blast causes excessive along the end play of high speed unit, damage the technical bottleneck that seal and bearing and motor damage, high frequency time stop platform, for company has saved a large amount of maintenance costs and man-hour.Every mixer approximately 60 service work day of annual saving or 960 man-hours, and unit class output raising 25%, reduced the supplies consumption in production process, the time between overhauls(TBO) becomes a maintenance in a year from maintenance in original 5 days.
Accompanying drawing explanation
Fig. 1 is the structural representation of the insertion type high speed fly cutter unit of existing flat mixer;
Fig. 2 is the structural representation of the insertion type high speed fly cutter unit of flat mixer of the present utility model.
Fig. 3 is the front view that Fig. 2 central diameter expands wheel;
Fig. 4 is the side view that Fig. 3 central diameter expands wheel.
The specific embodiment
Below in conjunction with accompanying drawing, the structure of the insertion type high speed fly cutter unit of flat mixer of the present utility model is elaborated.
Referring to Fig. 2～Fig. 4, the insertion type high speed fly cutter unit of flat mixer of the present utility model comprises: bearing chamber 21, be horizontally disposed with and one end is arranged on the fly cutter axle 33 on the bearing in bearing chamber 21 and is arranged on the many groups fly cutter 26 on fly cutter axle 33, each is organized and between fly cutter 26, is provided with fly cutter separation sleeve 25, at fly cutter axle 33 front ends, gland is installed, on fly cutter axle 33.One footpath is also installed between fly cutter 26 and bearing chamber 21 and expands wheel 24 and one reverse bias dust storage chamber 30.Reverse bias dust storage chamber 30 is packed between bearing chamber 21 left sides and the two and is tightly connected.In the inner side of the right side wall of reverse bias dust storage chamber 30, be provided with and prevent that dust from entering the 1st movable sealing 23 of described bearing chamber, reverse bias dust storage chamber 30 is connected with compressed air source.Footpath expand that wheel 24 is packed on fly cutter axle 33 and and reverse bias dust storage chamber 30 between be tightly connected, in footpath, expand on wheel 24 and be along the circumferential direction evenly equipped with a plurality of chisel teeths.
In embodiment shown in the figure, fly cutter 26 is provided with 4 groups altogether.Owing to having reduced the group number of fly cutter, institute, so that fly cutter axle has shortened about 60mm, is under control bad dynamic balancing factor to a certain extent, has reduced vibrations and noise.
The reverse bias dust storage chamber 30 flat cylindrical for lying down, is comprised of left end cap and the sidewall being integrally formed and right end cap, and its left end cap is packed on sidewall.
Reverse bias dust storage chamber 30 left sides, the middle part of right end cap stretches out respectively and forms the 1st, the 2nd annular protrusion 34, 35, described two annular protrusions stretch into respectively described footpath and expand in wheel 24 and bearing chamber 21, between two annular protrusions and fly cutter axle 33, be respectively arranged with the 1st, the 2nd static seal 29a, in 29b(figure, only show the position of two static seals), on the wall of Kuo Lun24 right side, footpath, be formed with annular movable sealing chamber 38, in movable sealing chamber 38, be provided with the 2nd movable sealing (only showing the position of this movable sealing in figure), and the 2nd form seal closure face between movable sealing and described the 1st static seal 29a.
Described the 1st movable sealing 23 is packed on described fly cutter axle, is the flat cylindrical of an end opening, and its opening one end embeds in the annular groove forming on reverse bias dust storage chamber 30 right side walls and can rotate with respect to described annular groove.In addition, as shown in Figure 3 and Figure 4, in footpath, expand on wheel 24 and be along the circumferential direction evenly equipped with a plurality of chisel teeths; Between described fly cutter axle 33 and motor shaft, by shaft coupling 32, connect, in shaft coupling 32, be provided with elastomer block.Shaft coupling 32 is GB product, and elastomer block is generally made by polyurethane.
Between described the 2nd annular protrusion 35 inner sides, the 2nd static seal 29b and bearing, around described fly cutter axle, be formed with an annular accumulator 36, in the wall of bearing chamber 21, be formed with to the annular oil circuit 22 of annular accumulator 36 and bearing fuel feeding.
In the situation that needs are controlled oil-containing in compressed air, water content, need first compressed air to be processed, after drainage, oil strain, pressure regulation, be connected with reverse bias dust storage chamber 30 again.
Fly cutter unit of the present utility model has the following advantages:
1, motor shaft is connected by the shaft coupling of elastic polyurethane piece is housed with fly cutter axle, has eliminated the radially resistance producing due to micro-decentraction.Lengthen bearing chamber axial location, fly cutter is reduced to 4 groups by original 6 groups, has reduced the axial distance at blade place, makes bad dynamic balancing factor controlled;
2, by original 1 place sealing, change 4 places into and seal, that is:
The 1st static seal 29a: be sealing ring, made by pottery, it is high temperature resistant, wear-resisting, directly dives and is embedded among the powder of 80 degrees Celsius.
The 2nd static seal 29b: be oil sealing, can adopt acrylonitrile-butadiene rubber skeleton sealing element, its effect is: airtight foreign matter and the bias generator of being escaped and being come by the 1st movable sealing 23, make reverse bias dust storage chamber and bearing chamber completely cut off, prevent the intrusion of dust dirt, its inner side closed lubrication oil, prevent that lubricating oil is excessive, form oil bath chamber with bearing;
The 1st movable sealing 23: made by light materials such as nylon, aluminium, its effect is: (1) utilizes centrifugal force to make dust and dirt caking, increases particle diameter, and it cannot be escaped, form rectangle bending curve with the groove zone of intersection, because high speed centrifugation power strengthens dust escape difficulty; The still radiator of (2) the 1st movable sealings 23 own, its task is the heat absorbing on fly cutter axle 33, be transmitted in the mobile air of bias generator and return to tank interior, thereby effectively control the temperature rise of the 1st static seal 29a and bearing, extend the life-span of seal and bearing.
The 2nd movable sealing 38: make graphite annulus by graphite, its effect is: high temperature resistant quality is soft, coordinates with 29a ceramic ring soft or hard, creates from break-in air film gap.
3, in footpath expansion, take turns and form centrifugal depressor area around, footpath is expanded wheel and is rotated with fly cutter axle, produces centrifugal radial thrust, is that a low pressure ravel area is created in powder escape mouthful.Its right side tooth root part and reverse bias dust storage chamber 30 left end cap bossings form and intersect bending curve, effectively reduce that dust is radially taken turns and the gap of reverse bias dust storage chamber and the escape between shaft clearance.
4, in bearing chamber porch, increased annular accumulator 36, given bearing chamber oiling oil bath, confession is newly abandoned old, has improved the lubricating condition of bearing.
5, after above-mentioned each undesirable element is effectively controlled, can be the high speed fly cutter motor speed-raising of flat mixer, make it by original 1450r/nim, bring up to 2870r/nim, production efficiency is doubled, improve the shearing to material, the ability of smashing, mixing, greatly improved product quality.
Although fly cutter group number reduces, because rotating speed is doubled, the raising of linear velocity, makes the shock, shearing force of material particles and blade generation far away higher than original parameter, thus under the condition of expanded motor power not acquisition far away higher than original effect.
Claims (9)
1. the insertion type high speed fly cutter unit of a flat mixer, comprise bearing chamber, be horizontally disposed with and one end is arranged on fly cutter axle on bearing chamber inner bearing and is arranged on the many groups fly cutter on fly cutter axle, each is organized and between fly cutter, is provided with fly cutter separation sleeve, at fly cutter axle front end, gland is installed, it is characterized in that: on described fly cutter axle (33), one footpath is also installed between described fly cutter (26) and bearing chamber (21) and expands wheel (24) and a reverse bias dust storage chamber (30), described reverse bias dust storage chamber (30) is packed on the left of described bearing chamber (21) and between the two and is tightly connected, in the inner side of the right side wall of described reverse bias dust storage chamber (30), be provided with and prevent that dust from entering the 1st movable sealing (23) of described bearing chamber, described reverse bias dust storage chamber (30) is connected with compressed air source, described footpath expand wheel (24) be packed in described fly cutter axle (33) upper and and described reverse bias dust storage chamber (30) between be tightly connected, in described footpath, expand on wheel (24) and be along the circumferential direction evenly equipped with a plurality of chisel teeths.
2. insertion type high speed fly cutter unit according to claim 1, is characterized in that: described fly cutter (26) is provided with 4 groups.
3. insertion type high speed fly cutter unit according to claim 1 and 2, it is characterized in that: the flat cylindrical of described reverse bias dust storage chamber (30) for lying down, left end cap and the sidewall being integrally formed and right end cap, consist of, described left end cap is packed on described sidewall.
4. insertion type high speed fly cutter unit according to claim 3, it is characterized in that: described reverse bias dust storage chamber (30) left side, the middle part of right end cap stretches out respectively and forms the 1st, the 2nd annular protrusion (34, 35), described two annular protrusions stretch into respectively described footpath and expand in wheel (24) and bearing chamber (21), between two annular protrusions and described fly cutter axle (33), be respectively arranged with the 1st, the 2nd static seal (29a, 29b), in described footpath, expand on the wall of wheel (24) right side and be formed with annular movable sealing chamber (38), in movable sealing chamber (38), be provided with the 2nd movable sealing, between the 2nd movable sealing and described the 1st static seal 29a, form seal closure face.
5. insertion type high speed fly cutter unit according to claim 1 and 2, it is characterized in that: described the 1st movable sealing (23) is packed on described fly cutter axle, be the flat cylindrical of an end opening, its opening one end embeds in the annular groove forming on described reverse bias dust storage chamber right side wall and can rotate with respect to described annular groove.
6. insertion type high speed fly cutter unit according to claim 1, is characterized in that: described fly cutter (26) is provided with 4 groups.
7. insertion type high speed fly cutter unit according to claim 1 and 2, is characterized in that: between described fly cutter axle and motor shaft, by a shaft coupling, connect, in described shaft coupling, be provided with elastomer block.
8. insertion type high speed fly cutter unit according to claim 1 and 2, it is characterized in that: between described the 2nd annular protrusion (35) inner side, the 2nd static seal (29b) and bearing, around described fly cutter axle, be formed with an annular accumulator (36), in the wall of described bearing chamber (21), be formed with one to the annular oil circuit (22) of described annular accumulator (36) and bearing fuel feeding.
9. insertion type high speed fly cutter unit according to claim 1 and 2, is characterized in that: described compressed air source is connected with described reverse bias dust storage chamber (30) after purified treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615022.XU CN203540368U (en) | 2013-09-29 | 2013-09-29 | Intervention-type high-speed fly cutter unit of horizontal mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615022.XU CN203540368U (en) | 2013-09-29 | 2013-09-29 | Intervention-type high-speed fly cutter unit of horizontal mixer |
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| Publication Number | Publication Date |
|---|---|
| CN203540368U true CN203540368U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320615022.XU Withdrawn - After Issue CN203540368U (en) | 2013-09-29 | 2013-09-29 | Intervention-type high-speed fly cutter unit of horizontal mixer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203540368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480290A (en) * | 2013-09-29 | 2014-01-01 | 天津优雅画材有限公司 | Interventional high-speed fly cutter unit of horizontal mixer |
-
2013
- 2013-09-29 CN CN201320615022.XU patent/CN203540368U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480290A (en) * | 2013-09-29 | 2014-01-01 | 天津优雅画材有限公司 | Interventional high-speed fly cutter unit of horizontal mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |