CN201257710Y - Flying cutter stirrer of stirring machine with improved sealing device - Google Patents
Flying cutter stirrer of stirring machine with improved sealing device Download PDFInfo
- Publication number
- CN201257710Y CN201257710Y CNU2008201025858U CN200820102585U CN201257710Y CN 201257710 Y CN201257710 Y CN 201257710Y CN U2008201025858 U CNU2008201025858 U CN U2008201025858U CN 200820102585 U CN200820102585 U CN 200820102585U CN 201257710 Y CN201257710 Y CN 201257710Y
- Authority
- CN
- China
- Prior art keywords
- fly cutter
- oil
- sealing device
- agitator
- mixer
- Prior art date
- 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 - Lifetime
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- Sealing Devices (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a fly cutter blender of a stirring device, which has an improved sealing device. The fly cutter blender comprises a blender casing mounted on the outer side wall of a blender barrel through a connection seat, a motor mounted on the blender, and a fly cutter rotation shaft rotationally supporting the connection seat and driven by the output shaft of the motor. The fly cutter blender is characterized in that a ring-shaped sealing cavity of fly cutter rotation shaft, a front oil sealing seat and a back oil sealing seat arranged at the front end and the back end of the sealing cavity along the shaft direction of the fly cutter rotation shaft, and a front oil sealing piece and a back oil sealing piece respectively arranged on the front oil sealing seat and the back oil sealing seat and matched with the fly cutter rotation shaft in a sealing manner are arranged inside the connection seat; an oil inlet and an oil outlet are formed on the sealing cavity, and are connected with an oil tank through oil delivery pipes; blades are distributed on the shaft surface of the fly cutter rotation shaft in the sealing cavity along the circumference. The sealing device has the advantages of simple structure and favorable sealing performance.
Description
Technical field
The utility model relates to a kind of mixer fly cutter agitator that improves sealing device that has.
Background technology
Now, commodity mortars such as the dry-mixed mortar that extensive employing batch production is produced in architectural engineering, premixing mortar substitute traditional scene and mix and stir mortar.It is raw material that commodity mortar adopts inorganic coagulation material, sand, mineral admixture and additive etc. such as cement usually, also adds some high molecular polymerization fibres and wood-fibreds sometimes, stirs in mixer or stirrer for mixing by a certain percentage and makes.When containing the additives such as pigment of high molecular polymerization fibres and wood-fibred or conglomeration easily in the material that is stirred, utilize the agitating device in the existing mixer to be difficult to this class additive fragmentation, to stir evenly, influence mixing quality.On mixer, the fly cutter agitator is set for this reason.
Referring to figs. 1 through shown in Figure 3, existing mixer comprise cylinder 11, vertically pass cylinder 11 and rotatably mounted shaft 12, be disposed on a plurality of agitating units 13 on the shaft 12 vertically.The fly cutter agitator comprise by bolt be installed in supporting seat 21 on cylinder 11 lateral walls, be installed in supporting seat 21 rear portions motor 22, be rotatably supported in the supporting seat 21, and by the fly cutter rotating shaft 23 that motor output shaft drives, the front end of fly cutter rotating shaft 23 stretches in the cylinder 11 and the end is equipped with cutterhead 24.When mixer stirs material, the fly cutter agitating device by motor 22 drive cutterheads 24 at a high speed rotation material assist stirring, with additive fragmentations such as the fiber that adds in the material, pigment, break up, stir evenly, with the mixed effect of assurance material.
The hermetic unit of existing fly cutter agitator comprises being provided with first sleeve block 25 in the supporting seat 21 the maze type sealing B (as shown in Figure 3) that forms between the center bore inner wall of the fly cutter rotating shaft 23 and first sleeve block 25; Second sleeve block 26 that is provided with in the supporting seat 21, the air seal portion 261 that forms between the center bore inner wall of the fly cutter rotating shaft 23 and second sleeve block 26; The 3rd sleeve block 27 that is provided with in the supporting seat 21, the lubricating oil that forms on oil seal 271 that is provided with between fly cutter rotating shaft 23 and the 3rd sleeve block 27 and the 3rd sleeve block 27 adds assembly 272.The weak point of this hermetically-sealed construction is: structure is comparatively complicated, and can not fully isolate the material powder, the material powder is once infiltrate parts such as will damaging rotating shaft, when fly cutter rotating shaft high speed rotating, rub between meeting and the oil seal in addition, fricative heat makes the lubricating oil intensification cause the lubricating oil coking, finally damages oil seal.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of simple in structure, and the sealing device that can seal fly cutter agitator axle head effectively.
The mixer fly cutter agitator that the utility model provides for this reason with improvement sealing device, comprise by Connection Block and be installed in agitator housing on the mixer cylindrical shell lateral wall, be installed in the motor on the agitator housing, the fly cutter rotating shaft that is rotatably supported in the Connection Block and drives by motor output shaft, it is characterized in that: be formed with annular seal space in the Connection Block around the fly cutter rotating shaft, before being axially disposed within annular seal space along the fly cutter rotating shaft, before the rear end, the Rear oil seal seat, before being separately positioned on, on the Rear oil seal seat and with the fly cutter rotating shaft form seal arrangement before, Rear oil seal spare, described annular seal space has oil-in and oil-out, and be communicated with fuel tank by oil pipeline respectively, the fly cutter rotating shaft axial plane that is positioned at described annular seal space is provided with circumferential blade.
Best, the oil seal of described annular seal space front end adopts float grease seal ring.
Best, the quantity of described blade is 4～8.
Best, described blade by helical leading portion and roughly linearly the back segment of shape constitute.
Best, the spirality leading portion of described blade is arranged to be certain angle of inclination with described fly cutter shaft axis.
Best, the angle of inclination of the spirality leading portion of described blade is 25 °～45 °.
Best, the linear back segment of described blade is arranged to be parallel to described fly cutter shaft axis and is extended.
Best, described blade adopts wear resistant alloy material to make.
The utlity model has following beneficial effect:
The fuel tank that is provided with oil-in on circumferential blade, the annular seal space and oil-out, is connected by pipeline with oil-in and oil-out by the fly cutter rotating shaft axial plane that is positioned at annular seal space, lubricating oil is circulated in annular seal space, fly cutter rotating shaft, Front oil seal spare and Rear oil seal spare etc. are in time cooled off and sufficient lubrication, effectively improved the service life of sealing device, and the oil seal of fly cutter rotating shaft front end adopts float grease seal ring more effectively the material powder to be isolated, and whole apparatus structure is simple and sealing is good.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
The structure chart of the mixer that Fig. 1 provides for prior art.
The sealing device structure figure of the fly cutter agitator that Fig. 2 provides for prior art.
Fig. 3 is a B part enlarged drawing among Fig. 2.
Fig. 4 is a structure chart of the present utility model.
Fig. 5 is a partial enlarged drawing of the present utility model.
The specific embodiment
The fly cutter agitator, comprise by Connection Block 4 be installed in agitator housing 3 on mixer cylindrical shell 9 lateral walls, be installed in motor 1 on the agitator housing 3, be rotatably supported in the Connection Block 4 and by the shaft-driven fly cutter rotating shaft 2 of motor 1 output, be installed on the cutterhead of fly cutter rotating shaft 2 ends.More than be the primary structure of known fly cutter agitator, the operation principle and the connected mode of its each several part here are not described in detail, and the utility model mainly is that the sealing device to the fly cutter agitator improves, and detailed protocol is as follows:
In Connection Block 4, be formed with annular seal space 5, be axially disposed within the forward and backward oil seal seat 6,7 of annular seal space 5 front and back ends along fly cutter rotating shaft 2 around the fly cutter rotating shaft.
Be welded with circumferential blade being positioned on fly cutter rotating shaft 2 axial planes of annular seal space 5.
Front oil seal seat 6 is installed on annular seal space 5 front ends by bolt 601, the float grease seal ring 602 that forms seal arrangement with fly cutter rotating shaft 2 is installed on the Front oil seal seat 6, also be provided with the protective cover 603 that matches with float grease seal ring 602 in the float grease seal ring 602 front end fly cutter rotating shafts 2, shield; Rear oil seal seat 7 is installed on annular seal space 5 rear ends by bolt 701, and the oil seal that forms seal arrangement with fly cutter rotating shaft 2 is installed on the Rear oil seal seat 7.
Blade by helical leading portion 801 and roughly linearly the back segment 802 of shape constitute, adopt wear resistant alloy material to make.The spirality leading portion 801 of blade is arranged to be certain angle of inclination with fly cutter rotating shaft 2 axis, and the linear back segment 802 of blade is arranged to be parallel to fly cutter rotating shaft 2 axis and is extended.
The quantity of blade is 4～8, and the angle of inclination of spirality leading portion 801 is between 25 °～45 °.
Concrete working method is as follows:
More than combine embodiment the utility model is illustrated, but this does not constitute restriction of the present utility model, any modification of making under same design, variation and replacement also all belong to the scope of the utility model protection.
Claims (8)
1, has the mixer fly cutter agitator that improves sealing device, comprise by Connection Block and be installed in agitator housing on the mixer cylindrical shell lateral wall, be installed in the motor on the agitator housing, the fly cutter rotating shaft that is rotatably supported in the Connection Block and drives by motor output shaft, it is characterized in that: be formed with annular seal space in the Connection Block around the fly cutter rotating shaft, before being axially disposed within annular seal space along the fly cutter rotating shaft, before the rear end, the Rear oil seal seat, before being separately positioned on, on the Rear oil seal seat and with the fly cutter rotating shaft form seal arrangement before, Rear oil seal spare, described annular seal space has oil-in and oil-out, and be communicated with fuel tank by oil pipeline respectively, the fly cutter rotating shaft axial plane that is positioned at described annular seal space is provided with circumferential blade.
2, the mixer fly cutter agitator with improvement sealing device according to claim 1, it is characterized in that: the oil seal of described annular seal space front end adopts float grease seal ring.
3, according to claim 1 have a mixer fly cutter agitator that improves sealing device, it is characterized in that: described blade by helical leading portion and roughly linearly the back segment of shape constitute.
4, the mixer fly cutter agitator with improvement sealing device according to claim 3, it is characterized in that: the spirality leading portion of described blade is arranged to be certain angle of inclination with described fly cutter shaft axis.
5, the mixer fly cutter agitator with improvement sealing device according to claim 3 is characterized in that: the linear back segment of described blade is arranged to be parallel to described fly cutter shaft axis and is extended.
6, the mixer fly cutter agitator with improvement sealing device according to claim 3, it is characterized in that: the quantity of described blade is 4～8.
7, the mixer fly cutter agitator with improvement sealing device according to claim 3, it is characterized in that: the angle of inclination of the spirality leading portion of described blade is 25 °～45 °.
8, the mixer fly cutter agitator with improvement sealing device according to claim 3 is characterized in that: described blade adopts wear resistant alloy material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201025858U CN201257710Y (en) | 2008-06-04 | 2008-06-04 | Flying cutter stirrer of stirring machine with improved sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201025858U CN201257710Y (en) | 2008-06-04 | 2008-06-04 | Flying cutter stirrer of stirring machine with improved sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201257710Y true CN201257710Y (en) | 2009-06-17 |
Family
ID=40771940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201025858U Expired - Lifetime CN201257710Y (en) | 2008-06-04 | 2008-06-04 | Flying cutter stirrer of stirring machine with improved sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201257710Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211833A (en) * | 2018-03-02 | 2018-06-29 | 郑州金合粉体科技有限公司 | A kind of powder mixing apparatus that divergent function can be achieved at the same time |
| CN111168840A (en) * | 2020-01-14 | 2020-05-19 | 摩泰克梅蒂斯(中国)科技有限公司 | Mortar production control method and system |
-
2008
- 2008-06-04 CN CNU2008201025858U patent/CN201257710Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211833A (en) * | 2018-03-02 | 2018-06-29 | 郑州金合粉体科技有限公司 | A kind of powder mixing apparatus that divergent function can be achieved at the same time |
| CN111168840A (en) * | 2020-01-14 | 2020-05-19 | 摩泰克梅蒂斯(中国)科技有限公司 | Mortar production control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |
|
| CX01 | Expiry of patent term |