CN217633861U

CN217633861U - Automatic adjusting device for sealing hollow bearing bush of ball mill

Info

Publication number: CN217633861U
Application number: CN202221299445.0U
Authority: CN
Inventors: 李建翔; 庄乾龙; 谢兴平; 孙红刚; 郑啸啸
Original assignee: Xinjiang Longxin Environmental Protection Technology Co ltd
Current assignee: Xinjiang Longxin Environmental Protection Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-21
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a sealed automatic regulating apparatus of ball mill cavity axle bush, including the axle bed, the inboard middle part of axle bed is provided with the pivot through the bearing activity, the fixed mill barrel that is provided with of pivot surface one end, be provided with sealing mechanism between the one end of mill barrel and the axle bed is kept away from on the pivot surface, sealing mechanism includes sealing washer, mounting flange, first screw hole, mounting hole, sleeve, second screw hole, locking screw, pivot outside surface activity cover is equipped with the sealing washer, pivot outside surface is equipped with mounting flange at sealing washer one side cover, first screw hole has been seted up to the mounting flange outside surface, a plurality of mounting holes have evenly been seted up on sealing washer outside surface. The utility model discloses excellent in use effect can let the sealing washer wrap up in the pivot all the time along with the rotation of pivot after the sealing washer wearing and tearing, prevents that the dust from getting into the axle bush intracavity, effectively prolongs babbitt metal tile life-span.

Description

Automatic adjusting device for sealing hollow bearing bush of ball mill

Technical Field

The utility model relates to a seal structure technical field specifically is a ball mill cavity axle bush seals automatic regulating apparatus.

Background

A dry ball mill is called a ball mill for short, and is a preferred device in the industries of mines, chemical industry, metallurgy and the like.

When the ball mill is used, the hollow shaft of the ball mill is often sealed to prevent dust from entering a bearing bush cavity in a severe working environment, the sealing ring is often sleeved at the hollow shaft to seal in the conventional sealing mode, the inner side wall of the sealing ring is easy to lose the sealing effect after long-time friction loss due to the fact that the hollow shaft needs to rotate, and the sealing ring is not driven to be in a structure which can be used for keeping the sealing ring to be tightened and sealed all the time along with the friction loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball mill cavity axle bush seals automatic regulating apparatus to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a ball mill cavity axle bush seals automatic regulating apparatus, includes the axle bed, the inboard middle part of axle bed is provided with the pivot through the bearing activity, pivot surface one end is fixed and is provided with the mill barrel, be provided with sealing mechanism between the one end of mill barrel is kept away from on the pivot surface and the axle bed, sealing mechanism includes sealing washer, mounting flange, first screw hole, mounting hole, sleeve, second screw hole, locking screw, pivot outside surface activity cover is equipped with the sealing washer, pivot outside surface is equipped with mounting flange at sealing washer one side cover, first screw hole has been seted up to the mounting flange outside surface, a plurality of mounting holes have evenly been seted up to sealing washer outside surface, the inside activity interlude of mounting hole is provided with the sleeve, axle bed outside surface cover is equipped with the second screw hole, it is provided with locking screw to close through the screw thread activity between first screw hole, second screw hole and the sleeve, sealing washer outside surface is provided with tightening mechanism.

Preferably, the tightening mechanism comprises a steel wire rope and a spring, a groove is formed in the surface of the outer side of the sealing ring, the steel wire rope is wound on the surface of the outer side of the sealing ring, the steel wire rope winds a circle from the surface of the sealing ring from bottom to top, then the steel wire rope is crossed at the upper part, two ends of the steel wire rope are fixedly connected with the spring fixed to the upper end of the shaft seat, the springs are fixedly arranged on two sides of the surface of the shaft seat, the spring and the steel wire rope are fixedly connected, the sealing ring can be automatically driven to tighten after the contact position between the inner side wall of the sealing ring and the rotating shaft is abraded through the tightening mechanism, the sealing ring can be wrapped on the rotating shaft all the time, dust is prevented from entering the bearing bush cavity, and the service life of the babbit alloy tile is effectively prolonged.

Preferably, the outer side surface of the sealing ring is provided with an extension hole on one side of the mounting hole, and after the inner side wall of the sealing ring is abraded through the extension hole, the steel wire rope is conveniently tightened to drive the sealing ring to be tightened, so that the sealing ring is not hindered by the locking screw.

Preferably, sleeve length is greater than sealing washer thickness, through the sleeve that length is slightly greater than sealing washer thickness, can be in locking screw tightening back for the sealing washer can carry out slight activity in left and right sides orientation, and slight activity of controlling can reach the sealed requirement to the dust particle, and can make the sealing washer be convenient for the deformation possess the deformation space under wire rope's the tightening up effect, make the sealing washer not receive mounting flange extruded frictional force simultaneously, the convenience hugs closely at the pivot outside surface under the tightening up effect of wire rope and spring.

Preferably, the springs are located on two sides of the lower end of the rotating shaft, the position of each spring is lower than the horizontal height of the rotating shaft, and therefore the steel wire rope can be driven to be better tightened to drive the sealing ring to be always tightly attached to the outer side surface of the rotating shaft.

Preferably, one end of the locking screw is fixedly provided with a twisting block, and the locking screw can be conveniently rotated through the twisting block.

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

1. the utility model discloses along with the rotation of pivot, can make the inboard lateral wall of sealing washer receive the friction and produce the loss, when the sealing washer wearing and tearing, wire rope will contract under the effect of spring, tightly wrap up the sealing washer in the pivot, inwards walk the back when the extension hole stroke on the sealing washer surface mounting hole, also the sealing washer has consumed, can indicate at this moment to change the sealing washer, change the sealing washer afterwards can, the structure that so utilized wire rope and spring can let the sealing washer wrap up all the time in the pivot, prevent that the dust from getting into the axle bush intracavity, effectively prolong babbit tile life-span, thereby can effectively improve the result of use of device.

2. The utility model discloses when using, through the sleeve that length is slightly greater than sealing washer thickness, can be in the locking screw back of screwing up for the sealing washer can carry out slight activity in the left and right sides orientation, and the activity of light controlling still can reach the sealed requirement to the dust granule, and can make the sealing washer be convenient for strain under wire rope's the effect of tightening up and possess the deformation space, make the sealing washer not receive mounting flange extruded frictional force simultaneously, the convenience is hugged closely at pivot outside surface under the effect of tightening up of wire rope and spring.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic adjusting device for sealing a hollow bearing bush of a ball mill according to the present invention;

FIG. 2 is an enlarged view of the hollow bearing bush seal automatic adjusting device of the ball mill of the present invention at A in FIG. 1;

FIG. 3 is a side view of the sealing ring of the automatic adjusting device for sealing a hollow bearing bush of a ball mill according to the present invention;

fig. 4 is the utility model discloses a top view of ball mill cavity axle bush seals automatic regulating apparatus sealing washer and wire rope installation.

In the figure: 1. a shaft seat; 2. a rotating shaft; 3. a mill cylinder; 4. a seal ring; 5. a fixed flange; 6. a first threaded hole; 7. mounting holes; 8. a sleeve; 9. a second threaded hole; 10. locking screws; 11. a wire rope; 12. a spring; 13. an extension hole; 14. and (5) screwing the block.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a ball mill cavity axle bush seals automatic regulating apparatus, includes

axle bed

1, 1 inboard middle part of axle bed is provided with pivot 2 through the bearing activity, 2 surperficial one end of pivot are fixed and are provided with

mill barrel

3, 2 surperficial one ends of keeping away from mill barrel 3 in pivot are provided with sealing mechanism between axle bed 1, sealing mechanism includes sealing washer 4, mounting flange 5, first screw hole 6, mounting hole 7, sleeve 8, second screw hole 9,

locking screw

10, 2 outside surface activity covers in pivot are equipped with sealing

washer

4, 2 outside surface covers in sealing washer 4 one side are equipped with mounting flange 5, first screw hole 6 has been seted up on mounting flange 5 outside surface, a plurality of mounting holes 7 have evenly been seted up on sealing washer 4 outside surface, the inside activity interlude of mounting hole 7 is provided with

sleeve

8, 1 outside surface cover of axle bed is equipped with second screw hole 9, it is provided with locking screw 10 to revolve to close through the screw thread activity between first screw hole 6, second screw hole 9 and the sleeve 8, sealing washer 4 outside surface is provided with tightening mechanism.

The tightening mechanism comprises a steel wire rope 11 and a spring 12, a groove is formed in the outer side surface of the sealing ring 4, the steel wire rope 11 is wound on the outer side surface of the sealing ring 4, the steel wire rope 11 is wound by a circle from bottom to top on the surface of the sealing ring 4, then the steel wire rope 11 is crossed at the upper part, two ends of the steel wire rope 11 are fixedly connected with the spring 12 fixed at the upper end of the shaft seat 1, the spring 12 is fixedly arranged on two sides of the surface of the shaft seat 1, the spring 12 is fixedly connected with the steel wire rope 11, the sealing ring 4 can be automatically driven to tighten after the contact position between the inner side wall of the sealing ring 4 and the rotating shaft 2 is abraded through the tightening mechanism, and therefore the sealing ring 4 can be wrapped on the rotating shaft 2 all the time, dust is prevented from entering the bearing bush cavity, and the service life of the babbit alloy tile is effectively prolonged.

The outer side surface of the sealing ring 4 is provided with an extending hole 13 on one side of the mounting hole 7, and after the inner side wall of the sealing ring 4 is abraded through the extending hole 13, the steel wire rope 11 is conveniently tightened to drive the sealing ring 4 to be tightened, so that the sealing ring is not hindered by the locking screw 10.

The length of the sleeve 8 is greater than the thickness of the sealing ring 4, the sleeve 8 with the length slightly greater than the thickness of the sealing ring 4 can be screwed up by the locking screw 10, the sealing ring 4 can slightly move in the left-right direction, the slight left-right movement can meet the requirement for sealing dust particles, the sealing ring 4 can be deformed under the tightening action of the steel wire rope 11 conveniently to have a deformation space, meanwhile, the sealing ring 4 is free from the friction force of the fixed flange 5, and the outer side surface of the rotating shaft 2 is tightly attached under the tightening action of the steel wire rope 11 and the spring 12 conveniently.

The springs 12 are located on two sides of the lower end of the rotating shaft 2, and the positions of the springs 12 are lower than the horizontal height of the rotating shaft 2, so that the steel wire rope 11 can be driven to be better tightened to drive the sealing ring 4 to be always tightly attached to the outer side surface of the rotating shaft 2.

One end of the locking screw 10 is fixedly provided with a screwing block 14, and the locking screw 10 can be conveniently rotated through the screwing block 14.

The working principle is as follows: when the device is used, the sealing ring 4 is fixed on the outer side of the rotating shaft 2 through the fixing flange 5, so that the sealing effect can be achieved through the sealing ring 4, the inner side wall of the sealing ring 4 is abraded to generate loss along with the rotation of the rotating shaft 2, when the sealing ring 4 is abraded, the steel wire rope 11 can contract under the action of the spring 12 to tightly wrap the sealing ring 4 on the rotating shaft 2, when the stroke of the extension hole 13 on the surface mounting hole 7 of the sealing ring 4 is finished inwards, namely the sealing ring 4 is consumed, at the moment, the replacement of the sealing ring 4 can be prompted, the sealing ring 4 can be replaced later, the sealing ring 4 can be always wrapped on the rotating shaft 2 by using the structures of the steel wire rope 11 and the spring 12, dust is prevented from entering the bearing bush cavity, and the service life of the babbit alloy tile is effectively prolonged, thereby can effectively improve the result of use of device, and the device is when using, sleeve 8 through length slightly is greater than 4 thicknesses of sealing washer, can be in locking screw 10 tightening back, make sealing washer 4 can carry out slight activity in the left right direction, and slight activity of controlling still can reach the sealed requirement to the dust particle, and can make sealing washer 4 be convenient for deformation possess the deformation space under wire rope 11's the effect of tightening up, make sealing washer 4 not receive 5 extruded frictional force of mounting flange simultaneously, the convenience is hugged closely in 2 outside surfaces of pivot under wire rope 11 and spring 12's the effect of tightening up, it is exactly the utility model relates to a ball mill cavity axle bush seals automatic regulating apparatus's theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed automatic regulating apparatus of ball mill cavity axle bush, includes axle bed (1), its characterized in that: the grinding machine is characterized in that a rotating shaft (2) is movably arranged in the middle of the inner side of the shaft seat (1) through a bearing, a grinding machine barrel body (3) is fixedly arranged at one end of the surface of the rotating shaft (2), a sealing mechanism is arranged between one end, far away from the grinding machine barrel body (3), of the surface of the rotating shaft (2) and the shaft seat (1), the sealing mechanism comprises a sealing ring (4), a fixing flange (5), a first threaded hole (6), a mounting hole (7), a sleeve (8), a second threaded hole (9) and a locking screw (10), a sealing ring (4) is movably sleeved on the surface of the outer side of the rotating shaft (2), the fixing flange (5) is sleeved on one side of the sealing ring (4), the first threaded hole (6) is formed in the surface of the outer side of the fixing flange (5), a plurality of mounting holes (7) are uniformly formed in the surface of the outer side of the sealing ring (4), the sleeve (8) is movably inserted in the mounting hole (7) and provided with the sleeve (8), the second threaded hole (9) is sleeved on the surface of the outer side of the fixing flange (4), and a tightening mechanism is arranged between the first threaded hole (6), the second threaded hole (9) and the shaft seat (4) and the sleeve (8) in a threaded hole in a screwing mode.

2. The automatic adjusting device for the hollow bearing bush seal of the ball mill as claimed in claim 1, characterized in that: the tightening mechanism comprises a steel wire rope (11) and a spring (12), a groove is formed in the outer side surface of the sealing ring (4), the steel wire rope (11) is wound on the outer side surface of the sealing ring (4), the spring (12) is fixedly arranged on each of two sides of the surface of the shaft seat (1), and the spring (12) is fixedly connected with the steel wire rope (11).

3. The automatic adjusting device for the hollow bearing bush seal of the ball mill as claimed in claim 1, wherein: and an extension hole (13) is formed in the outer side surface of the sealing ring (4) on one side of the mounting hole (7).

4. The automatic adjusting device for the hollow bearing bush seal of the ball mill as claimed in claim 1, characterized in that: the length of the sleeve (8) is larger than the thickness of the sealing ring (4).

5. The automatic adjusting device for the hollow bearing bush seal of the ball mill as claimed in claim 2, wherein: the springs (12) are positioned on two sides of the lower end of the rotating shaft (2).

6. The automatic adjusting device for the hollow bearing bush seal of the ball mill as claimed in claim 1, characterized in that: and one end of the locking screw (10) is fixedly provided with a screwing block (14).