CN203090836U - Horizontal mixer - Google Patents
Horizontal mixer Download PDFInfo
- Publication number
- CN203090836U CN203090836U CN 201220704973 CN201220704973U CN203090836U CN 203090836 U CN203090836 U CN 203090836U CN 201220704973 CN201220704973 CN 201220704973 CN 201220704973 U CN201220704973 U CN 201220704973U CN 203090836 U CN203090836 U CN 203090836U
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- CN
- China
- Prior art keywords
- supporting seat
- bearing
- bearing block
- spacer
- horizontal mixer
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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.)
- Expired - Fee Related
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- Sealing Of Bearings (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a horizontal mixer. The horizontal mixer comprises a tank body, a mixing propeller and a spindle, wherein a connecting section of the spindle close to the tail end is arranged on the wall of the tank body in a penetrating way, a spacer bush is fixedly sheathed on the connecting section, a supporting seat is sheathed outside the spacer bush, a first labyrinth sealing structure is formed between the outer side surface of the spacer bush and the inner side surface of the supporting seat, a bearing connecting device is sheathed beside one side of the supporting seat away from the tank body on the connecting section and comprises a bearing block, a bearing and a bearing cover, the bearing is positioned in an airtight space enclosed by the bearing block and the bearing cover, the bearing block is fixed with the supporting seat, a containing cavity is enclosed by the outer side surface of the spacer bush, the supporting seat and the bearing block together, a plugging part is arranged in the containing cavity, a first oil seal is arranged between the spacer bush and the bearing block, and a second oil seal is arranged between the bearing cover and the connecting section. The horizontal mixer is good in sealing performance, ensures the vacuum state in the tank body, and prolongs the service life of the bearing.
Description
Technical field
The utility model relates to mixing plant, relates in particular to horizontal mixer.
Background technology
Horizontal mixer mainly by the tank body of sealing, be positioned at the paddle of tank body and be used to drive the main shaft of paddle work, an end of main shaft is passed, is connected with drive unit by tank wall.In the course of the work, need to guarantee to be in vacuum state in the tank body, need to guarantee the sealing property of main-axis end and tank wall junction.
Fig. 1 is the sealed structural representation that agitator shaft end and tank wall adopt in the prior art, as shown in Figure 1, the end of main shaft 1 is generally the linkage section 10 of the diameter of axle less than other parts, linkage section 10 passes tank wall 4 and is fixedly mounted on the tank wall 4 by bearing 25 and bearing block 23, the shaft shoulder place fixed cover of main shaft 1 is provided with first baffle ring 51, be provided with second baffle ring 52 going back fixed cover on the linkage section 10 and between first baffle ring 51 and bearing block 23, and first baffle ring 51 and second baffle ring, 52 opposing end faces form labyrinth seal structure; In addition, between bearing block 23 and linkage section 10, also be provided with oil sealing 14, play the sealed shell of tank effect, promptly guarantee the tank body vacuum, stop the interior dust of tank body to enter into bearing 25 to cooperate labyrinth seal.
But, in this hermetically-sealed construction owing to horizontal mixer in the prior art, bearing block 13 is directly installed on the tank wall 4, labyrinth seal structure between tank wall 4 and the main shaft 1 is to only sealing by oil sealing 14 between the bearing 12, sealing effectiveness is bad, dust in the tank body is easy to enter into bearing 12 by oil sealing 14, causes damage of bearings.
The utility model content
At above-mentioned defective of the prior art, the utility model provides a kind of horizontal mixer, realizes the better sealing to main shaft and tank body junction, prevents that the dust in the tank body from entering into bearing.
The utility model provides a kind of horizontal mixer, comprise: tank body, be arranged at the paddle in the described tank body, and the main shaft of fixedlying connected with described paddle, described main shaft is near the terminal linkage section that forms, described linkage section is arranged on the tank wall, and fixed cover is provided with a spacer on described linkage section, and described spacer is arranged with supporting seat outward, described supporting seat fixedly is embedded in described tank wall, and forms first labyrinth seal structure between the medial surface of described spacer lateral surface and described supporting seat; On described linkage section, and deviate from described supporting seat that a side of described tank body is other to be arranged with the bearing jockey, described bearing jockey comprises bearing block, bearing and bearing cap, and described bearing is positioned at the confined space that described bearing block and bearing cap surround; Described bearing block and described supporting seat are spirally connected fixing, and described spacer lateral surface, described supporting seat and described bearing block one common peripheral ccontaining cavity circlewise, are provided with the closeouts that is used for the described labyrinth seal structure of shutoff in described ccontaining cavity; Described spacer extends between described bearing block and the described linkage section, and is provided with first oil sealing between described spacer and described bearing block, is provided with second oil sealing between described bearing cap and described linkage section.
Aforesaid horizontal mixer, preferably, described closeouts comprises annular gland and airtight and watertight padding layer, described airtight and watertight padding layer is filled in the gap between described spacer lateral surface and the described supporting seat medial surface, and by being fixedly connected on the described airtight and watertight padding layer of described annular gland axial location on the described supporting seat.
Aforesaid horizontal mixer, preferably, described spacer is spirally connected by first bolt and is fixed on the described main shaft.
Aforesaid horizontal mixer, preferably, between the side of described spacer and described linkage section and locate to be provided with first seal washer in the corresponding described tank body.
Aforesaid horizontal mixer, preferably, described bearing block is connected by second bolting with bearing cap, and is provided with second seal washer at described bearing block and described bearing cap junction.
Aforesaid horizontal mixer, preferably, described supporting seat is cylindrical tube shape, and an end end face of described supporting seat forms the installation portion of projection, described installation portion is embedded in the described tank wall, described bearing block offers draw-in groove around described linkage section on the end face of described supporting seat, the other end of described supporting seat is fastened in the described draw-in groove.
Aforesaid horizontal mixer preferably, is provided with the 3rd seal washer in described draw-in groove and between described supporting seat and described bearing block.
The horizontal mixer that the utility model provides, cooperation by labyrinth seal structure, closeouts, first oil sealing and second oil sealing, improved the sealing property of main shaft and tank wall link position greatly, and then, can reliably guarantee to be in the tank body in the course of work vacuum state, and also effectively avoid the dust in the tank body to enter in the bearing jockey, damage bearing, in the service life of having improved bearing, also reduced the maintenance cost of horizontal mixer.
Description of drawings
Fig. 1 is the sealed structural representation that agitator shaft end and tank wall adopt in the prior art;
Fig. 2 is the structural representation of the utility model horizontal mixer embodiment.
The specific embodiment
Fig. 2 is the structural representation of the utility model horizontal mixer embodiment; Please refer to Fig. 1, present embodiment provides a kind of horizontal mixer, comprise: tank body, be arranged at the paddle in the tank body, and the main shaft 1 of fixedlying connected with paddle, main shaft 1 is near the terminal linkage section 10 that forms, and linkage section 10 is arranged on the tank wall 4, fixed cover is provided with a spacer 21 on linkage section 10, be arranged with supporting seat 22 outside the spacer 21, supporting seat 22 fixedly is embedded in tank wall 4, and forms first labyrinth seal structure 221 between the medial surface of spacer 21 lateral surfaces and supporting seat 22; On linkage section 10, and deviate from supporting seat 22 that a side of tank body is other to be arranged with the bearing jockey, this bearing jockey comprises bearing block 23, bearing 25 and bearing cap 24, and bearing 25 is positioned at the confined space that bearing block 23 and bearing cap 24 surround; Bearing block 23 and supporting seat 22 are spirally connected fixing, and spacer 21 lateral surfaces, supporting seat 22 and bearing block 23 one common peripheral ccontaining cavity circlewise, are provided with the closeouts 26 that is used for shutoff labyrinth seal structure 221 in this ccontaining cavity; Spacer 21 extends between bearing block 23 and the linkage section 10, and is provided with first oil sealing 271 between spacer 21 and bearing block 23, is provided with second oil sealing 272 between bearing cap 24 and linkage section 10.
Particularly, main shaft 1 one ends of horizontal mixer penetrate in the tank body, and fixedly connected with paddle, with the material in the rotation drive paddle stirring tank body that passes through main shaft, the other end of main shaft 1 generally is the multidiameter shape, can be divided into: least significant end, the construction section 101 of diameter of axle minimum, the linkage section 10 that the diameter of axle is big slightly, and the carrying section 102 of diameter of axle maximum, construction section 101 is used for fixedlying connected with transmission devices such as motors, in 10 connecting through holes that are arranged on the tank wall 4 of linkage section, carrying section 102 is positioned at tank body fully, and its bigger diameter of axle can drive paddle work; And the design that the shaft shoulder transition position that carrying section 102 and linkage section 10 form also can be hermetically-sealed construction provides good basis.
Wherein, supporting seat 22 profiles can be cylindrical tube shape, the endoporus of supporting seat 22 also can increase the multistage hole successively for the terminal diameter of axle by tank wall 4 main shafts 1, so that the medial surface of supporting seat 22, form labyrinth seal structure 221 near tank wall 4 places, simultaneously, the aperture that the medial surface other end is bigger can guarantee that the end face of supporting seat 22 and bearing block 23 surrounds the airtight ccontaining cavity around linkage section 10, preferably, the medial surface of supporting seat 22 can form one section little gap with the lateral surface of spacer 21 near the part of labyrinth seal structure 221, to fixedly install seal 26 in this little gap, to block the end of labyrinth seal structure.
More specifically, closeouts 26 can comprise annular gland 262 and airtight and watertight padding layer 261, airtight and watertight padding layer 261 can be filled in the gap between spacer 21 lateral surfaces and supporting seat 22 medial surfaces, and by being fixedly connected on the annular gland 262 axial location airtight and watertight padding layers 261 on the supporting seat 22; Preferably, annular gland 262 can be screwed onto on the supporting seat 22 by the bolt or the screw of axial setting, making annular gland 262 compress airtight and watertight padding layer 261 easily by screwing bolt or screw, and easy disassembly and improve sealing.
The horizontal mixer that present embodiment provides, cooperation by labyrinth seal structure, closeouts, first oil sealing and second oil sealing, improved the sealing property of main shaft and tank wall link position greatly, and then, can reliably guarantee to be in the tank body in the course of work vacuum state, and also effectively avoid the dust in the tank body to enter in the bearing jockey, damage bearing, in the service life of having improved bearing, also reduced the maintenance cost of horizontal mixer.
In the above-described embodiments, an end end face of supporting seat 22 can also form the installation portion 220 of projection, and installation portion 220 is embedded in the tank wall 4, further supporting seat 22 is axially positioned by this installation portion 220; In addition, bearing block 23 can be offered draw-in groove 231 around linkage section 10 on the end face of supporting seat 22, and the other end of supporting seat 22 is fastened in the draw-in groove 231, and then utilizes bolt or screw to be spirally connected supporting seat 22 and bearing block 23 fixing at the draw-in groove place.
Further, spacer 21 can also be spirally connected by first bolt and be fixed on shaft shoulder place on the main shaft 1, together rotates with main shaft 1 all the time with further assurance spacer 21, guarantees the sealing function to tank body.
Further, between the side of spacer 21 and linkage section 10 and locate to be provided with first seal washer 81 in the corresponding tank body; Particularly, can offer seal groove to the shaft shoulder place of linkage section 10 transition in the carrying section 102 of main shaft 1, and first seal washer 81 is fastened in the sealing groove, further guarantee the sealing between spacer 21 and the main shaft 1.
Preferably, bearing block 23 can be connected by second bolting with bearing cap 24, and is provided with second seal washer 82 in bearing block 23 and bearing cap 24 junctions.
The 3rd seal washer 83 also can be set in the draw-in groove 231 on bearing block 23 and between supporting seat 22 and bearing block 23; Promptly can offer seal groove around main shaft 1, so that the 3rd seal washer 83 is fastened in the sealing groove, so that the auxiliary seal effect is played in the junction of tank body and main shaft in draw-in groove 231 bottom part ring.
It should be noted that at last: above each embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. horizontal mixer, comprise: tank body, be arranged at the paddle in the described tank body, and the main shaft of fixedlying connected with described paddle, described main shaft is near the terminal linkage section that forms, and described linkage section is arranged on the tank wall, it is characterized in that, fixed cover is provided with a spacer on described linkage section, described spacer is arranged with supporting seat outward, and described supporting seat fixedly is embedded in described tank wall, and forms first labyrinth seal structure between the medial surface of described spacer lateral surface and described supporting seat; On described linkage section, and deviate from described supporting seat that a side of described tank body is other to be arranged with the bearing jockey, described bearing jockey comprises bearing block, bearing and bearing cap, and described bearing is positioned at the confined space that described bearing block and bearing cap surround; Described bearing block and described supporting seat are spirally connected fixing, and described spacer lateral surface, described supporting seat and described bearing block one common peripheral ccontaining cavity circlewise, are provided with the closeouts that is used for the described labyrinth seal structure of shutoff in described ccontaining cavity; Described spacer extends between described bearing block and the described linkage section, and is provided with first oil sealing between described spacer and described bearing block, is provided with second oil sealing between described bearing cap and described linkage section.
2. horizontal mixer according to claim 1, it is characterized in that, described closeouts comprises annular gland and airtight and watertight padding layer, described airtight and watertight padding layer is filled in the gap between described spacer lateral surface and the described supporting seat medial surface, and by being fixedly connected on the described airtight and watertight padding layer of described annular gland axial location on the described supporting seat.
3. horizontal mixer according to claim 2 is characterized in that, described spacer is spirally connected by first bolt and is fixed on the described main shaft.
4. horizontal mixer according to claim 3 is characterized in that, between the side of described spacer and described linkage section and locate to be provided with first seal washer in the corresponding described tank body.
5. according to any described horizontal mixer of claim 1-4, it is characterized in that described bearing block is connected by second bolting with bearing cap, and be provided with second seal washer at described bearing block and described bearing cap junction.
6. horizontal mixer according to claim 5, it is characterized in that, described supporting seat is cylindrical tube shape, and an end end face of described supporting seat forms the installation portion of projection, described installation portion is embedded in the described tank wall, described bearing block offers draw-in groove around described linkage section on the end face of described supporting seat, the other end of described supporting seat is fastened in the described draw-in groove.
7. horizontal mixer according to claim 6 is characterized in that, is provided with the 3rd seal washer in described draw-in groove and between described supporting seat and described bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220704973 CN203090836U (en) | 2012-12-18 | 2012-12-18 | Horizontal mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220704973 CN203090836U (en) | 2012-12-18 | 2012-12-18 | Horizontal mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203090836U true CN203090836U (en) | 2013-07-31 |
Family
ID=48842280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220704973 Expired - Fee Related CN203090836U (en) | 2012-12-18 | 2012-12-18 | Horizontal mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203090836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511632A (en) * | 2013-10-23 | 2014-01-15 | 南通申东冶金机械有限公司 | Leak-free shaft seal device |
| CN109268505A (en) * | 2018-12-05 | 2019-01-25 | 飞翼股份有限公司 | A kind of sealing structure of shaft end of crude tailings Paste mixer |
-
2012
- 2012-12-18 CN CN 201220704973 patent/CN203090836U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511632A (en) * | 2013-10-23 | 2014-01-15 | 南通申东冶金机械有限公司 | Leak-free shaft seal device |
| CN103511632B (en) * | 2013-10-23 | 2016-04-06 | 南通申东冶金机械有限公司 | Leak-free shaft seal device |
| CN109268505A (en) * | 2018-12-05 | 2019-01-25 | 飞翼股份有限公司 | A kind of sealing structure of shaft end of crude tailings Paste mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160322 Address after: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Patentee after: KEDA CLEAN ENERGY CO., LTD. Address before: 528313 Guangdong City, Shunde province Chencun Town, industrial park, long Ring Road West Town, No. 1 Patentee before: Foshan Keda Stone-Machine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20201218 |