CN209968162U - Structure of stirring mill for conveniently replacing bearing - Google Patents

Abstract

The utility model discloses a stirring mill conveniently tears structure of trading bearing open, including the structure body, the structure body is formed by bearing frame, main shaft and the equipment of agitator disk group. The utility model discloses in, the structure body of setting is by the bearing frame, main shaft and stirring dish group equipment form, install the top surface at the stirring mill body with whole structure body through the bearing frame, the mounting means of this kind of structure can solve traditional stirring mill and need spend the drawback that a large amount of time dismantles main shaft and stirring dish group because of the bearing damages, when upper bearing or lower bearing in the bearing frame damaged and have to be changed because of certain reason, only need earlier with lower shaft connector, lock nut and the thrust pad of installation on upper end cover and the main shaft, later can wholly with the upper bearing of installation on bearing frame and the bearing frame, the bush, the lower bearing, lower end cover and oil blanket are dismantled from the main shaft, change the upper bearing or the lower bearing of damage again, main shaft and stirring dish group that need not to dismantle structure body below again.

Description

Structure of stirring mill for conveniently replacing bearing

Technical Field

The utility model relates to a stirring mill technical field especially relates to a stirring mill conveniently tears structure of trading the bearing open.

Background

The stirring mill utilizes a stirring device to enable a grinding medium to move so as to generate impact, shearing and grinding effects, thereby crushing materials. There are two grinding modes of a conventional mill: the energy efficiency of the stirring mill is higher than that of a conventional mill and a vibration mill because the input power of the stirring mill is directly used for rotating the stirring mechanism to enable the grinding medium to move and crush materials. The agitator mill may be batch or continuous. The cylinder can be divided into a groove type, a ring type, a vertical type and the like according to the shape of the cylinder.

When an upper bearing or a lower bearing of the traditional LXJM3600 superfine stirring mill is damaged due to some reason and has to be replaced, a lower coupling, a bearing seat and an upper end cover, an upper bearing, a bush, a lower bearing, a lower end cover, an oil seal and a stirring disc group (comprising three stirring discs I, nineteen stirring discs II and a cone top) arranged on the bearing seat are all disassembled to replace the upper bearing or the lower bearing, and the main workload of disassembling is to disassemble the stirring disc group (comprising three stirring discs I, nineteen stirring discs II and a cone top), so that the time is about 3 days at least, great economic and time loss is caused to production, and the labor intensity of maintenance workers is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a stirring mill which is convenient for disassembling and replacing a bearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the structure that the bearing was conveniently torn open and trade to stirring mill, including the structure body, the structure body is formed by bearing frame, main shaft and the equipment of agitator disk group, the upper end cover is installed through the bolt to the bearing frame top surface, and the bearing frame underrun bolt installs the bottom end cover, lie in the inside top-down of bearing frame between upper end cover and the bottom end cover and install upper bearing, bush and lower bearing in proper order, the main shaft upper end lies in the top of upper end cover and installs lower shaft coupling, and the lower extreme of main shaft lies in the bottom end cover below and installs the agitator disk group.

Preferably, the top surface of the upper bearing is provided with a thrust pad inside the upper end cover, and the top surface of the thrust pad is abutted with a locking nut.

Preferably, the number of the locking nuts is two, and the two locking nuts are both in threaded connection with the main shaft.

Preferably, the thrust pad is sleeved on the main shaft, and the top surface and the bottom surface of the thrust pad are respectively abutted with the abutting locking nut and the upper bearing.

Preferably, the upper end cover and the lower end cover are internally provided with oil seals with different specifications.

Preferably, the stirring disc group is respectively provided with three stirring discs I, nineteen stirring discs II and a cone top from top to bottom.

Preferably, the bottom surface of the bearing seat is abutted and fixed with the top surface of the stirring mill body through a fixing bolt.

Preferably, the upper bearing is a deep groove ball bearing.

Preferably, the lower bearing is a tapered roller bearing.

Preferably, the side surface of the bearing seat is provided with an oil nozzle, and the oil nozzle is communicated between the upper bearing and the lower bearing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the structure body is assembled by the bearing seat, the main shaft and the stirring disc group, the whole structure body is arranged on the top surface of the stirring mill body through the bearing seat, the mounting mode of the structure can solve the defect that the main shaft and the stirring disc group need to be disassembled in a large amount of time due to the damage of the bearing of the traditional stirring mill, when the upper bearing or the lower bearing in the bearing seat is damaged due to a certain reason and has to be replaced, only the lower coupling, the upper end cover and the locking nut and the thrust pad arranged on the main shaft are needed to be disassembled, then the upper bearing, the bush, the lower bearing, the lower end cover and the oil seal arranged on the bearing seat and the bearing seat can be integrally disassembled from the main shaft, the damaged upper bearing or the damaged lower bearing is replaced, the main shaft and the stirring disc group below the structure body do not need to be disassembled, the mounting mode is simple and convenient to maintain, thereby avoiding the great economic, considerable economic benefits are created for enterprises, and the labor intensity of maintenance workers is reduced.

Drawings

FIG. 1 is a schematic structural view of a structure of a stirring mill for conveniently replacing a bearing;

fig. 2 is a bearing seat sectional view of the structure of the stirring mill that the bearing is conveniently disassembled and replaced.

Illustration of the drawings:

1. a bearing seat; 2. an upper end cover; 3. a lower coupling; 4. locking the nut; 5. a thrust pad; 6. an upper bearing; 7. a bushing; 8. a lower bearing; 9. a lower end cover; 10. oil sealing; 11. a main shaft; 12. a stirring disc set; 13. a structural body; 14. stirring mill body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the structure of the agitator mill for facilitating replacement of bearings comprises a structure body 13, wherein the structure body 13 is formed by assembling a bearing seat 1, a main shaft 11 and an agitator disc group 12, an upper end cover 2 is installed on the top surface of the bearing seat 1 through bolts, a lower end cover 9 is installed on the bottom surface of the bearing seat 1 through bolts, an upper bearing 6, a bushing 7 and a lower bearing 8 are sequentially installed between the upper end cover 2 and the lower end cover 9 and located inside the bearing seat 1 from top to bottom, a lower coupling 3 is installed at the upper end of the main shaft 11 and located above the upper end cover 2, and the agitator disc group 12 is installed at the lower end of the main shaft.

The top surface of an upper bearing 6 is positioned in an upper end cover 2 and is provided with a thrust pad 5, the top surface of the thrust pad 5 is abutted with two locking nuts 4, the two locking nuts 4 are both in threaded connection with a main shaft 11 to prevent the bearing from loosening, the thrust pad 5 is sleeved on the main shaft 11, the top surface and the bottom surface of the thrust pad 5 are respectively abutted with the abutted locking nuts 4 and an upper bearing 6, oil seals 10 with different specifications are respectively arranged in the upper end cover 2 and a lower end cover 9, a stirring disc group 12 is respectively provided with three stirring discs I, a nineteen stirring disc II and a cone top from top to bottom, the bottom surface of a bearing seat 1 is abutted and fixed with the top surface of a stirring mill body 14 through fixing bolts, the upper bearing 6 is a deep groove ball bearing, the lower bearing 8 is a tapered roller bearing, the stress strength of the main shaft 11 is improved through the deep groove ball bearing and the tapered roller bearing, and the oil nozzle is communicated between the upper bearing 6 and the lower bearing 8, so that the service life of the bearing is prolonged.

The working principle is as follows: the structure body 13 is assembled by the bearing seat 1, the main shaft 11 and the stirring disc group 12, the whole structure body 13 is arranged on the top surface of the stirring mill body 14 through the bearing seat 1, the mounting mode of the structure can solve the defect that the main shaft 11 and the stirring disc group 12 need to be disassembled in a large amount of time when the upper bearing 6 or the lower bearing 8 in the traditional stirring mill is damaged, when the upper bearing 6 or the lower bearing 8 in the bearing seat 1 is damaged due to some reason and has to be replaced, only the lower coupling 3, the upper end cover 2 and the locking nut 4 and the thrust pad 5 which are arranged on the main shaft 11 need to be firstly disassembled, then the bearing seat 1 and the upper bearing 6, the bush 7, the lower bearing 8, the lower end cover 9 and the oil seal 10 which are arranged on the bearing seat 1 can be integrally disassembled from the main shaft 11, then the damaged upper bearing 6 or the lower bearing 8 is replaced, and the main shaft 11 and the stirring disc group, the installation mode is simple and convenient to maintain.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. The structure that the bearing was conveniently torn open and trade to stirring mill, including structure body (13), its characterized in that, structure body (13) are formed by bearing frame (1), main shaft (11) and stirring dish group (12) equipment, upper end cover (2) are installed through the bolt to bearing frame (1) top surface, and bearing frame (1) underrun bolt installs lower end cover (9), lie in bearing frame (1) inside top-down between upper end cover (2) and lower end cover (9) and install upper bearing (6), bush (7) and lower bearing (8) in proper order, main shaft (11) upper end lies in the top of upper end cover (2) and installs lower shaft joint (3), and the lower extreme of main shaft (11) lies in lower end cover (9) below and installs stirring dish group (12).

2. A structure of a stirring mill for conveniently replacing a bearing according to claim 1, characterized in that a thrust pad (5) is arranged on the top surface of the upper bearing (6) inside the upper end cover (2), and a locking nut (4) is abutted on the top surface of the thrust pad (5).

3. The structure of the stirring mill for conveniently replacing the bearing is characterized in that the number of the locking nuts (4) is two, and the two locking nuts (4) are in threaded connection with the main shaft (11).

4. The structure of the stirring mill for conveniently dismounting and replacing the bearing is characterized in that the thrust pad (5) is sleeved on the main shaft (11), and the top surface and the bottom surface of the thrust pad (5) are respectively abutted with the abutting locking nut (4) and the upper bearing (6).

5. The structure of the stirring mill for conveniently replacing the bearing is characterized in that oil seals (10) with different specifications are mounted inside the upper end cover (2) and the lower end cover (9).

6. The structure of the stirring mill for conveniently replacing the bearing as claimed in claim 1, wherein the stirring disc group (12) is respectively provided with three stirring discs I, nineteen stirring discs II and a cone top from top to bottom.

7. The structure of the stirring mill for conveniently replacing the bearing is characterized in that the bottom surface of the bearing seat (1) is abutted and fixed with the top surface of the stirring mill body (14) through a fixing bolt.

8. A structure of a stirring mill facilitating the replacement of bearings, according to claim 1, characterized in that said upper bearing (6) is a deep groove ball bearing.

9. A structure of a mixer mill facilitating the removal and replacement of bearings, according to claim 1, characterized in that said lower bearing (8) is a tapered roller bearing.

10. The structure of the stirring mill for conveniently replacing the bearing is characterized in that a lubricating nipple is arranged on the side surface of the bearing seat (1), and the lubricating nipple is communicated between the upper bearing (6) and the lower bearing (8).

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