CN212091744U

CN212091744U - Anti-swing structure of long cantilever stirring shaft

Info

Publication number: CN212091744U
Application number: CN201921889644.5U
Authority: CN
Inventors: 王兴; 李鹏; 陈晓峰; 张梦生; 康浩; 吴海龙; 张彬彬; 胡志强; 潘海建
Original assignee: Anhui Songyu Engineering Technology Equipment Co ltd
Current assignee: Anhui Songyu Engineering Technology Equipment Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-12-08
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a long cantilever stirring shaft anti-swing structure, which comprises an upper stirring shaft driven by a speed reducing motor, wherein the bottom of the upper stirring shaft is connected with a lower stirring shaft through a connecting structure, a plurality of middle paddle components are uniformly arranged on the lower stirring shaft, the end of the lower stirring shaft is provided with a bottom paddle component, the middle paddle component comprises a shaft sleeve fixed on the lower stirring shaft, three stirring paddles with end turned over are symmetrically arranged on the shaft sleeve, the bottom paddle component comprises a stabilizing ring arranged at the end of the lower stirring shaft, the center of the stabilizing ring is provided with the shaft sleeve fixed on the lower stirring shaft, and the shaft sleeve is symmetrically provided with three stirring paddles; the utility model discloses at a stabilizer ring of axle center installation in the bottom of major axis, very big swing of having avoided.

Description

Anti-swing structure of long cantilever stirring shaft

Technical Field

The utility model relates to a long cantilever (mixing) shaft anti-swing structure belongs to agitated vessel spare part technical field.

Background

Stirring equipment has extensive application in the building trade, all kinds of product production processes, and its effect is exactly to mix each material evenly stirred together, because production needs, need use long cantilever (mixing) shaft usually in the pharmaceutical industry, but present long cantilever (mixing) shaft has the problem that can produce great wobbling when the stirring, for this reason, we provide a long cantilever (mixing) shaft and prevent pendulum structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a long cantilever (mixing) shaft prevents pendulum structure sets up stable ring and stirring paddle leaf and sets up a plurality of middle part paddle subassemblies on the (mixing) shaft down through the bottom of (mixing) shaft down, very big avoided long cantilever (mixing) shaft at the in-process swing of stirring, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a long cantilever (mixing) shaft anti-swing structure, includes the last (mixing) shaft by gear motor drive, the bottom of going up the (mixing) shaft is connected with down the (mixing) shaft through connection structure, even installing a plurality of middle part paddle subassemblies down on the (mixing) shaft, the end of (mixing) shaft is equipped with bottom paddle subassembly down, middle part paddle subassembly is including being fixed in down epaxial axle sleeve of stirring, the symmetry is equipped with three terminal stirring paddle leaf of turning over the book on the axle sleeve, bottom paddle subassembly is including installing in the terminal stabilizing ring of (mixing) shaft down, the center department of stabilizing ring is equipped with and is fixed in down epaxial axle sleeve of stirring, the symmetry is equipped with.

Furthermore, the connecting structure comprises an upper connecting part arranged at the bottom of the upper stirring shaft and an upper connecting part arranged at the top of the lower stirring shaft, and the upper connecting part and the lower connecting part are connected through an A-shaped flat key.

Furthermore, the speed reduction motor is installed on the frame, a protection plate is arranged on the inner side of the frame, a bearing assembly is arranged inside the frame, and a mechanical sealing assembly fixed on the upper stirring shaft is arranged below the bearing assembly.

Further, the bearing assembly is including being fixed in cup jointing the bearing installation casing on last (mixing) shaft on the guard plate, the inside of bearing installation casing is located center department and is equipped with a plurality of deep groove ball bearings, per two be equipped with the bearing gasket between the deep groove ball bearing, the top and the below of deep groove ball bearing are equipped with upper bearing gland and the lower bearing gland that links to each other with bearing installation casing respectively.

Furthermore, framework oil seals are arranged on two sides, close to the upper stirring shaft, of the inner portions of the upper bearing gland and the lower bearing gland, and oil cups are arranged below the framework oil seals in the inner portions of the upper bearing gland and the lower bearing gland.

Further, the mechanical seal assembly comprises a seal body fixed at the bottom of the rack, a bearing sleeved on the upper stirring shaft is arranged inside the seal body, and a convex seal cover fixed on the seal body is arranged on the bearing.

Furthermore, a round nut which is not locked and is sleeved on the upper stirring shaft is arranged above the upper bearing gland, and a stop gasket is arranged between the round nut and the upper bearing gland.

Furthermore, a speed reducer housing is arranged at the joint of the speed reduction motor and the upper stirring shaft.

Furthermore, a sanitary pipe sleeved on the upper stirring shaft is arranged at the bottom of the machine frame.

The utility model discloses at a stabilizer ring of axle center installation in the bottom of major axis, can play the effect of balanced stress through the stabilizer ring, stabilizer ring effort all around when rotatory is even unanimous, and stirring paddle leaf can produce the fluid at rotatory in-process at the internal at jar, in case the rotation center takes place to deflect, and fluid around the stabilizer ring can produce a reaction force and make it get back to axial center and put, very big swing of having avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a part of the structure of the present invention;

fig. 6 is an enlarged schematic view of the structure at D in fig. 5 according to the present invention;

fig. 7 is a schematic structural diagram of the bottom blade assembly of the present invention.

In the figure: 1. a reduction motor; 2. an upper stirring shaft; 3. a bottom layer blade assembly; 4. a lower stirring shaft; 5. a sanitary pipe; 6. a stopper spacer; 7. an oil cup; 8. a bearing mounting housing; 9. a lower bearing gland; 10. framework oil seal; 11. a deep groove ball bearing; 12. a bearing spacer; 13. an upper bearing gland; 14. a round nut; 15. a lower connecting portion; 16. an upper connecting portion; 17. a type a flat bond; 18. a stirring paddle; 19. a shaft sleeve; 20. a protection plate; 21. a frame; 22. a speed reducer housing; 23. a bearing assembly; 24. a bearing; 25. a seal body; 26. a "convex" type seal cap; 27. and (4) stabilizing the ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 7, this embodiment provides a long cantilever (mixing) shaft anti-swing structure, include the last (mixing) shaft by gear motor drive, the bottom of going up the (mixing) shaft is connected with down the (mixing) shaft through connection structure, even installing a plurality of middle part paddle subassemblies down on the (mixing) shaft, the end of (mixing) shaft is equipped with bottom paddle subassembly down, middle part paddle subassembly is including being fixed in down epaxial axle sleeve of stirring, the symmetry is equipped with three terminal stirring paddle leaf of turning over the book on the axle sleeve, bottom paddle subassembly is including installing in the terminal stabilizing ring of (mixing) shaft down, the center department of stabilizing ring is equipped with and is fixed in down epaxial axle sleeve of stirring, the symmetry is equipped with three.

The bottom of the long shaft is coaxially provided with the stabilizing ring, the effect of balancing stress can be achieved through the stabilizing ring, the acting force of the stabilizing ring on the periphery is uniform and consistent when the stabilizing ring rotates, the stirring blade can generate fluid in the tank body in the rotating process, once the rotating center deflects, the fluid on the periphery of the stabilizing ring can generate a reaction force to enable the fluid to return to the axial center position, and the swinging is greatly avoided.

The upper stirring shaft and the lower stirring shaft are connected through an upper connecting part, a lower connecting part and an A-shaped flat key to form a long cantilever stirring shaft.

The oil seal effect is achieved through the combined action of the deep groove ball bearing, the framework oil seal and the oil cup, the friction of the upper stirring shaft can be reduced, and the service life is prolonged.

The sealing function of the joint of the upper stirring shaft and the bottom of the frame is achieved through the mechanical sealing assembly.

The joint of the upper stirring shaft and the speed reducing motor is protected.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a long cantilever (mixing) shaft anti-swing structure, includes the last (mixing) shaft by gear motor drive, its characterized in that: the bottom of going up the (mixing) shaft is connected with down the (mixing) shaft through connection structure, even installing a plurality of middle part paddle subassemblies down on the (mixing) shaft, the end of (mixing) shaft is equipped with bottom paddle subassembly down, middle part paddle subassembly is including being fixed in down epaxial axle sleeve of stirring, the symmetry is equipped with three terminal stirring paddle leaf of turning over a book on the axle sleeve, bottom paddle subassembly is including installing in the terminal stable ring of (mixing) shaft down, the center department of stable ring is equipped with and is fixed in down epaxial axle sleeve of stirring, the symmetry is equipped with three stirring paddle leaf on the axle sleeve, connection structure is including locating the last connecting portion of last (mixing) shaft bottom and locating the last connecting portion at (mixing) shaft top down, go up connecting portion and.

2. The anti-swing structure of the long cantilever stirring shaft of claim 1, wherein: the speed reducing motor is installed on the rack, a protection plate is arranged on the inner side of the rack, a bearing assembly is arranged inside the rack, and a mechanical sealing assembly fixed on the upper stirring shaft is arranged below the bearing assembly.

3. The anti-swing structure of the long cantilever stirring shaft of claim 2, wherein: the bearing assembly comprises a bearing installation shell which is fixed on the protection plate and sleeved on the upper stirring shaft, a plurality of deep groove ball bearings are arranged in the center of the bearing installation shell, a bearing gasket is arranged between every two deep groove ball bearings, and an upper bearing gland and a lower bearing gland which are connected with the bearing installation shell are respectively arranged above and below the deep groove ball bearings.

4. The anti-swing structure of the long cantilever stirring shaft of claim 3, wherein: the inner parts of the upper bearing gland and the lower bearing gland are provided with framework oil seals at two sides close to the upper stirring shaft, and the inner parts of the upper bearing gland are provided with oil cups below the framework oil seals.

5. The anti-swing structure of the long cantilever stirring shaft of claim 2, wherein: the mechanical seal assembly comprises a seal body fixed at the bottom of the rack, a bearing sleeved on the upper stirring shaft is arranged in the seal body, and a convex seal cover fixed on the seal body is arranged on the bearing.

6. The anti-swing structure of the long cantilever stirring shaft of claim 3, wherein: and an unlocked round nut sleeved on the upper stirring shaft is arranged above the upper bearing gland, and a stop gasket is arranged between the round nut and the upper bearing gland.

7. The anti-swing structure of the long cantilever stirring shaft of claim 1, wherein: and a speed reducer housing is arranged at the joint of the speed reducing motor and the upper stirring shaft.

8. The anti-swing structure of the long cantilever stirring shaft of claim 2, wherein: the bottom of the frame is provided with a sanitary pipe sleeved on the upper stirring shaft.