CN219529613U - Bearing pedestal sealing device and moisture removal and rotation net using same - Google Patents

Abstract

The utility model belongs to the technical field of sealing devices, and particularly relates to a bearing seat sealing device and a moisture removal and rotation net using the same, comprising the following components: the bearing seat body, with the sealing seat that the bearing seat body laid relatively, aerify the subassembly and install in first sealing member between bearing seat body and the sealing seat, first through-hole has been run through to the inside first through-hole internally mounted of sealing seat is used for the cover to establish the second sealing member in the pivot outside of waiting to install, the inside second through-hole that is used for holding the bearing of waiting to install that is equipped with of bearing seat body, first sealing member, sealing seat, second sealing member can form the gas chamber with the pivot and the bearing of waiting to install between, the one end has been seted up in the sealing seat and has been held the communicating air passage of air chamber, aerify the subassembly connect in the other end of air passage can realize the sealed moisture removal processing of bearing, reduces outside steam and impurity and reduces the corrosion that the bearing caused the bearing, the maintenance dismantlement degree of difficulty.

Description

Bearing pedestal sealing device and moisture removal and rotation net using same

Technical Field

The utility model belongs to the technical field of sealing devices, and particularly relates to a bearing seat sealing device and a moisture-removing rotary net using the same.

Background

The bearing seat is a supporting component capable of receiving comprehensive load, has the characteristics of compact structure, sensitive rotation, convenient maintenance of the device and the like, has supporting points at the places with the bearings, has the inner supporting points of the bearings as shafts, has the outer supporting points as a common bearing seat, is convenient for supporting and limiting the bearings, ensures the smooth rotation of the shafts, and is an indispensable component in the installation process of the rotating shafts.

The moisture removal and conversion net is generally used for a cylindrical moisture regaining device in a tobacco production line, and mainly heats and humidifies tobacco shreds through high-temperature steam, hot air and water, and eliminates redundant moisture.

In the moisture removal process of tobacco shreds, one end of the rotating shaft is connected with a bearing seat connected with the frame, the other end of the rotating shaft is required to be connected with a moisture removal and rotation net to drive the moisture removal and rotation net to rotate for removing moisture from tobacco shreds, so that a bearing on one side far away from the moisture removal and rotation net is not easy to be influenced by high-temperature water vapor, and the bearing on one side close to the moisture removal and rotation net is more easy to be corroded by moisture, so that the bearing surface and the joint of the bearing and the bearing seat are corroded or blocked, the service life of the bearing is reduced, and meanwhile, rust adhesion is easy to occur between the bearing and the shaft and the bearing with the seat, so that disassembly is difficult during maintenance, and the maintenance cost is increased.

Disclosure of Invention

The utility model aims to provide a bearing seat sealing device which can be used for sealing and dehumidifying a bearing, so that rust caused by external water vapor and impurities on the bearing is reduced, the difficulty in maintenance and disassembly of the bearing is reduced, and the service life of the bearing is prolonged.

The utility model is realized in that a bearing housing sealing device comprises: the bearing seat comprises a bearing seat body, a sealing seat, an inflation component and a first sealing element, wherein the sealing seat is arranged opposite to the bearing seat body, the first sealing element is arranged between the bearing seat body and the sealing seat, a first through hole is formed in the sealing seat in a penetrating mode, a second sealing element is arranged outside a rotating shaft to be installed in a sleeved mode in the first through hole in an installed mode, a second through hole for accommodating a bearing to be installed is formed in the bearing seat body, the first sealing element, the sealing seat and the second sealing element can form an air accommodating cavity with the rotating shaft to be installed and the bearing, an air guide channel with one end communicated with the air accommodating cavity is formed in the sealing seat, and the inflation component is connected to the other end of the air guide channel.

According to the bearing seat sealing device, the bearing is conveniently installed by arranging the second through hole in the bearing seat body, and the sealing seat and the second sealing piece are arranged at the side of the bearing seat body, so that the rotating shaft is conveniently installed in the first through hole in a sealing manner; the sealing seat and the bearing seat body are sealed and installed by the second sealing element, so that after the rotating shaft is installed, an air accommodating cavity can be formed among the sealing seat, the bearing seat body, the first sealing element, the second sealing element, the rotating shaft to be installed and the bearing, and the air guide channel and the air inflation assembly communicated with the air accommodating cavity are utilized to inflate the air accommodating cavity.

Preferably, one end of the first through hole far away from the bearing seat body is connected with a groove with an inner diameter larger than that of the first through hole, the groove extends from the outer end surface of the sealing seat to the inside of the first through hole for a certain distance, and the second sealing piece is embedded in the groove and has an inner diameter smaller than that of the first through hole.

Preferably, the outer outlet of the air guide channel is arranged on the outer side surface of the sealing seat and is connected with the inflation assembly, and the joint of the first through hole and the groove is aligned with the middle position of the inner outlet of the air guide channel.

Preferably, the inflation assembly comprises: one end of the compressed air pipe is connected with the compressed air nozzle at the external outlet of the air guide channel, and the compressed air pipe is connected with the other end of the compressed air nozzle and is used for inflating the air accommodating cavity.

Preferably, the compressed air pipe is further provided with a pressure detecting member for detecting the pressure in the sealed cavity.

Preferably, the bearing housing body includes: the sealing device comprises a base body, a first cylinder body fixedly arranged on one side of the base body away from a sealing base and a second cylinder body connected with the first cylinder body, wherein the base body is connected with a plurality of fasteners, the sealing base is detachably connected with the base body through the fasteners, and the second through hole is formed in the base body.

Preferably, an air cavity is formed in one side, close to the sealing seat, of the seat body, the first sealing element is wound around the air cavity, two sides of the first sealing element are respectively and hermetically attached to the seat body and the sealing seat, and an air accommodating cavity is formed among the air cavity, the first sealing element, the sealing seat, the second sealing element, the rotating shaft to be installed and the bearing.

Preferably, the fasteners are arranged at four corners of the seat body, and mounting holes matched with the fasteners are formed at positions of the sealing seat, which are opposite to the fasteners.

Preferably, the four corners of the first sealing member are respectively provided with a concave part corresponding to the four fasteners one by one, and the fasteners are abutted to the outer sides of the concave parts to fix the first sealing member.

The utility model also aims to provide the moisture-removing and transferring net, which can be used for sealing the end face of the bearing close to one side of the moisture-removing and transferring net, reducing the corrosion of high-temperature steam to the bearing in the moisture-removing process and prolonging the service life of the moisture-removing and transferring net.

A moisture removal turning net comprising: the moisture removing cover comprises a moisture removing cover body, a rotating shaft, a bearing sleeved on the outer side of the rotating shaft, a rotating net fixedly connected to the rotating shaft and the bearing seat sealing device, wherein the number of the sealing seats is one and the sealing seats are fixedly connected to the end part of the moisture removing cover body.

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

the utility model relates to a bearing seat sealing device, which comprises: the bearing is conveniently installed by arranging the second through hole on the bearing seat body, and the sealing seat and the second sealing piece are arranged at the side of the bearing seat body, so that the rotating shaft is conveniently and hermetically installed in the first through hole; the sealing seat and the bearing seat body are sealed and installed by the second sealing element, so that after the rotating shaft is installed, an air accommodating cavity can be formed among the sealing seat, the bearing seat body, the first sealing element, the second sealing element, the rotating shaft to be installed and the bearing, and the air guide channel and the air inflation assembly communicated with the air accommodating cavity are utilized to inflate the air accommodating cavity.

The utility model relates to a moisture removal transfer net, which comprises the following components: the bearing seat sealing device is applied to the moisture removal and transfer net, under the action of the air containing cavity and the air charging assembly, the bearing end face close to one side of the transfer net can be subjected to sealing moisture removal treatment, and the bearing far away from one side of the transfer net is not easy to erode by moisture, so that the bearing and the bearing seat body in the whole moisture removal and transfer net are prevented from being influenced by external moisture and high-temperature water vapor, the situation that the bearing is corroded to cause bearing blockage is effectively reduced, the service life of the bearing is prolonged, the situation that rust adhesion is easy to occur between the bearing and the rotating shaft and the bearing seat body is reduced, the dismounting is more convenient, and the maintenance cost of the moisture removal and transfer net can be effectively reduced.

Drawings

FIG. 1 is a perspective view of a bearing seat sealing device provided by the utility model;

FIG. 2 is a front cross-sectional view of a bearing housing seal arrangement provided by the present utility model;

FIG. 3 is a perspective view of a seal seat and inflation assembly removed from a bearing seat seal assembly provided by the present utility model;

FIG. 4 is a perspective view of an inflatable module of a bearing seat sealing device provided by the utility model;

FIG. 5 is a front cross-sectional view of a bearing seat sealing device provided by the present utility model when two sealing seats are provided;

FIG. 6 is a perspective view of a moisture removal and conversion network provided by the utility model;

FIG. 7 is a perspective view of the moisture removal hood removal structure of the moisture removal and transfer net provided by the utility model;

FIG. 8 is a front cross-sectional view of a moisture removal hood for a moisture removal and transfer network according to the present utility model;

fig. 9 is a side view of a moisture removal and transfer net provided by the present utility model.

In the accompanying drawings: the device comprises a bearing seat body 1, a seat body 11, a first cylinder 12, a fastener 13, a sealing seat 2, a flaring slot 21, an inflating component 3, a compression air tap 31, a compression air pipe 32, a pressure detection part 33, a first sealing part 4, a concave part 41, a second sealing part 5, a first through hole 6, a second through hole 7, an air guide channel 8, an air cavity 9, a moisture discharging cover 101, a rotating shaft 102, a bearing 103 and a rotating net 104.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Example 1

As shown in fig. 1-4, in order to provide a structure diagram of a bearing seat sealing device, a bearing seat body 1, a sealing seat 2 at least arranged at one side of the bearing seat body 1, an air inflation assembly 3 and a first sealing member 4 arranged between the bearing seat body 1 and the sealing seat 2 are provided, a first through hole 6 is formed in the sealing seat 2 in a penetrating manner, a second sealing member 5 sleeved outside a rotating shaft to be installed is arranged in the first through hole 6, a second through hole 7 for accommodating a bearing to be installed is formed in the bearing seat body 1, an air accommodating cavity is formed among the bearing seat body 1, the first sealing member 4, the sealing seat 2 and the second sealing member 5, a rotating shaft to be installed and the bearing, an air guide channel 8 with one end communicated with the air accommodating cavity is formed in the sealing seat 2, and the air inflation assembly 3 is connected to the other end of the air guide channel 8.

In practical application, the bearing is conveniently installed by forming the second through hole 7 in the bearing seat body 1, and the sealing seat 2 and the second sealing piece 5 are arranged at the side of the bearing seat body 1, so that the rotating shaft is conveniently and hermetically installed in the first through hole 6; the sealing seat 2 and the bearing seat body 1 are sealed and installed by the second sealing piece 5, so that after the rotating shaft is installed, a gas containing cavity can be formed among the sealing seat 2, the bearing seat body 1, the first sealing piece 4, the second sealing piece 5 and the rotating shaft to be installed and the bearing, and the gas guide channel 8 and the gas charging assembly 3 communicated with the gas containing cavity are used for charging gas into the gas containing cavity.

It should be noted that, as shown in fig. 5, the sealing seat 2 in this embodiment may be installed on one side of the bearing seat body 1 according to actual needs to realize sealing and moisture removal on one side of the bearing, and may of course also be symmetrically installed on two sides of the bearing seat body 1, so as to seal and moisture removal on two sides of the bearing seat at the same time, so as to satisfy more usage scenarios, which is not limited in detail herein.

Specifically, as shown in fig. 2, an end of the first through hole 6 away from the bearing seat body 1 is provided with a flared slot 21 with an inner diameter larger than that of the first through hole 6, the flared slot 21 extends from the outer end surface of the seal seat 2 to the inside of the first through hole 6 by a certain distance, and the second seal member 5 is embedded in the flared slot 21 and has an inner diameter smaller than that of the first through hole 6.

It can be known that, through setting up flaring groove 21 at the tip of first through-hole 6, be convenient for inlay the second sealing member 5 and establish in its inside to can utilize second sealing member 5 to seal the pivot, in order to form and hold the gas cavity, because there is partial clearance between second sealing member 5 and the pivot of waiting to install, under the continuous inflation of inflation subassembly 3, can effectively drive outside moisture and keep away from and hold the gas cavity.

Further, an external air inlet of the air guide channel 8 is arranged on the outer side surface of the sealing seat 2 and is connected with the inflation assembly 3, and the joint of the first through hole 6 and the flaring slot 21 is aligned with the middle position of the air outlet in the air guide channel 8; through setting up air guide channel 8, the convenience is connected in order to hold the inside leakproofness of gas cavity chamber with outside inflation component 3 to holding the gas cavity chamber.

In one case of the present embodiment, the inflation assembly 3 includes: one end of the compression air tap 31 is connected with the external outlet of the air guide channel 8, and the compression air pipe 32 is connected with the other end of the compression air tap 31 and is used for inflating the air accommodating cavity.

It can be known that the inflation assembly 3 is convenient for introducing gas into the air accommodating cavity, and in actual use, the compressed air pipe 32 is used for connecting an external air source, and the gas is introduced into the air guide channel 8 through the compressed air nozzle 31 and then enters the air accommodating cavity.

In another case of the present embodiment, the compressed air pipe 32 is further provided with a pressure detecting member 33 for detecting the pressure in the sealed chamber.

It should be noted that, after the rotation of the rotating shaft is stopped, the pressure detecting element 33 is used to detect the internal pressure of the sealing cavity by using the compressed air pipe 32 and the pressure detecting element 33, thereby checking the tightness of the first sealing element 4 and the second sealing element 5, when the pressure of the sealing cavity drops too fast, it is indicated that the first sealing element 4 or the second sealing element 5 may leak, and a shutdown check is needed, so that the sealing device can work stably, and the reliability of the device is improved.

The second sealing member 5 may be an EPDM, or may be a SIL silicone rubber sealing ring, so long as the sealing between the shaft and the first through hole 6 can be completed, which is not specifically limited herein; the pressure detecting member 33 may be a pressure gauge or a pressure detector, or may be any other pressure detecting device, as long as the pressure detecting member can detect the pressure of the air guiding chamber after stopping, and the embodiment is not limited herein specifically.

Example 2

As shown in fig. 2 and 3, on the basis of embodiment 1, the bearing housing body 1 includes: the sealing seat comprises a seat body 11 and a first cylinder body 12 fixedly arranged on one side, far away from the sealing seat 2, of the seat body 11, wherein the seat body 11 is connected with a plurality of fastening pieces 13, the sealing seat 2 is detachably connected with the seat body 11 through the fastening pieces 13, and the second through holes 7 are formed in the seat body 11 and the first cylinder body 12.

In practical application, the bearing is conveniently installed by arranging the bearing seat body 1 and the second through hole 7, and the sealing seat 2 is conveniently and detachably connected to the seat body 11 by the fastener 13 in practical application, so that the bearing seat is more convenient and reliable to use.

Specifically, an air cavity 9 is formed on one side of the base 11, which is close to the sealing base 2, the first sealing member 4 is wound around the air cavity 9, two sides of the first sealing member are respectively and hermetically attached to the base 11 and the sealing base 2, and an air accommodating cavity is formed among the air cavity 9, the first sealing member 4, the sealing base 2, the second sealing member 5, a rotating shaft to be mounted and a bearing.

It can be known that the air cavity 9 formed on one side of the seat body 11 is utilized to form a containing space conveniently so as to form an air containing cavity with other components, so that the air containing cavity is inflated by the inflation assembly 3, and then the moisture outside the bearing is expelled by utilizing air, so that the sealing effect between the bearing and the seat body 1 is ensured.

Further, the fastening members 13 are disposed at four corners of the base 11, and mounting holes matched with the fastening members 13 are formed at positions of the sealing base 2 opposite to each fastening member 13.

Specifically, the fasteners 13 arranged at the four corners of the seat body 11 are used for conveniently connecting the sealing seat 2 with the bearing seat body 1 under the assistance of the mounting holes, so that the first sealing element 4 can be attached to two sides of the sealing seat 2 and the bearing seat body 1.

Further, the four corners of the first sealing member 4 are respectively provided with a concave portion 41 corresponding to the four fastening members 13 one by one, and the fastening members 13 are abutted against the outer sides of the concave portions 41 to fix the first sealing member 4.

It should be noted that, because the four corners of the first sealing element 4 are respectively provided with the concave portions 41, when the sealing seat 2 and the bearing seat body 1 are connected inside the mounting hole through the fastening piece 13, the fastening piece 13 and the concave portions 41 can be utilized to abut against each other, so that the four corners of the first sealing element 4 are fixed, and finally, the four corners are fixed between the sealing seat 2 and the seat body 11, thereby ensuring the connection tightness of the air-containing cavity.

The first sealing member 4 may be a square gasket, and four corners of the first sealing member may be provided with recesses 41 to facilitate fixing under the action of the fastening members 13, and the first sealing member 4 may be provided with other shapes as required, so long as the sealing member can be adapted to the sealing seat 2 and the seat body 11 to achieve sealing therebetween, which is not particularly limited herein.

Example 3

As shown in fig. 6-9, the present embodiment is an embodiment of a moisture removal and transfer net, including: the moisture removal cover 101, the rotating shaft 102, the bearing 103 sleeved on the outer side of the rotating shaft 102, the rotating net 104 fixedly connected to the rotating shaft 102, and the bearing seat sealing device as described in embodiment 1 and embodiment 2, wherein the number of the sealing seats 2 is one and is fixedly connected to the end part of the moisture removal cover 101.

In practical application, the rotary shaft 102 is connected inside the first through hole 6 and the second through hole 7 in a penetrating way, the bearing 103 is arranged inside the second through hole 7, and one side surface of the bearing 103 is connected with the air accommodating cavity, so that the air charging assembly 3 can be utilized to charge the air charging cavity, the bearing close to one side of the rotary net 104 cannot be corroded by moisture, the connection tightness between the bearing 103 and the seat body 11 is ensured, corrosion of the joint of the bearing 103 caused by the moisture is reduced, the dismounting during maintenance is facilitated, and the reliability of the moisture-discharging rotary net is further improved.

It can be known that, the bearing seat sealing device in embodiments 1 and 2 is applied to the moisture-removing and rotating net, under the action of the air-containing chamber and the air-charging assembly 4, the end face of the bearing 103 close to the rotating net 104 can be sealed and moisture-removing, and the bearing 103 far away from the rotating net 104 is not easily corroded by moisture, so that the bearing 103 and the bearing seat body 1 in the whole moisture-removing and rotating net can be prevented from being influenced by external moisture and high-temperature moisture, the situation that the bearing 103 is corroded to cause the blockage of the bearing 103 is effectively reduced, the service life of the bearing 103 is further prolonged, meanwhile, the condition that rust adhesion is easy to occur between the bearing 103 and the rotating shaft 102 and the bearing seat body 1 is also reduced, the dismounting is more convenient, and the maintenance cost of the moisture-removing and rotating net can be effectively reduced.

It should be noted that, the moisture-removing and rotating net in this embodiment is mainly applied in the production and processing process of tobacco shreds, and in actual use, a motor is generally adopted to drive the rotating shaft 102 to rotate, so as to drive the rotating net 104 to rotate, so as to realize moisture removal and drying of tobacco; the bearing 103 may be an outer spherical bearing or a planar bearing, and the present embodiment is not particularly limited herein.

In addition, the bearing seat sealing device in this embodiment may be applied to other situations besides the inside of the moisture removal and rotation net, as long as sealing and moisture removal of the bearing 103 can be completed, and the application situation of this embodiment is not limited.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A bearing housing seal arrangement comprising: the bearing seat comprises a bearing seat body (1), a sealing seat (2) arranged at one side of the bearing seat body (1), an air charging assembly (3) and a first sealing piece (4) arranged between the bearing seat body (1) and the sealing seat (2), wherein a first through hole (6) is formed in the sealing seat (2) in a penetrating mode, a second sealing piece (5) which is arranged outside a rotating shaft to be mounted in a sleeved mode is arranged in the first through hole (6), a second through hole (7) which is used for accommodating a bearing to be mounted is formed in the bearing seat body (1), the first sealing piece (4), the sealing seat (2) and the second sealing piece (5), a gas accommodating cavity is formed between the bearing seat body (1) and the rotating shaft to be mounted and the bearing, one end of the sealing seat (2) is provided with an air guide channel (8) which is communicated with the gas accommodating cavity, and the air charging assembly (3) is connected to the other end of the air guide channel (8).

2. A bearing seat sealing device according to claim 1, characterized in that one end of the first through hole (6) far away from the bearing seat body (1) is provided with a flaring groove (21) with an inner diameter larger than that of the first through hole (6), the flaring groove (21) extends from the outer end of the sealing seat (2) to the inner part of the first through hole (6) for a distance, and the second sealing piece (5) is embedded in the flaring groove (21) and has an inner diameter smaller than that of the first through hole (6).

3. A bearing seat sealing device according to claim 2, wherein the external air inlet of the air guide channel (8) is arranged on the outer side surface of the sealing seat (2) and is connected with the inflation assembly (3), and the joint of the first through hole (6) and the flaring slot (21) is aligned with the middle position of the internal air outlet of the air guide channel (8).

4. A bearing housing sealing arrangement according to claim 3, wherein the inflation assembly (3) comprises: one end of the compression air nozzle (31) is connected with the external outlet of the air guide channel (8), and the compression air pipe (32) is connected with the other end of the compression air nozzle (31) and is used for inflating the air accommodating cavity.

5. A bearing housing sealing arrangement according to claim 4, characterized in that the compressed air pipe (32) is further fitted with a pressure detecting member (33) for detecting the pressure in the sealed cavity.

6. A bearing housing sealing arrangement according to any one of claims 1-5, characterized in that the bearing housing body (1) comprises: pedestal (11) and set firmly in first barrel (12) of pedestal (11) one side of keeping away from seal seat (2), pedestal (11) are connected with a plurality of fastener (13), seal seat (2) pass through fastener (13) with pedestal (11) can dismantle and be connected, second through-hole (7) set up in pedestal (11) and inside first barrel (12).

7. The bearing seat sealing device according to claim 6, wherein an air cavity (9) is formed on one side, close to the sealing seat (2), of the seat body (11), the first sealing element (4) is wound around the air cavity (9) and two sides of the first sealing element are respectively and hermetically attached to the seat body (11) and the sealing seat (2), and the air cavity (9), the first sealing element (4), the sealing seat (2), the second sealing element (5) and a rotating shaft and a bearing to be installed form the air accommodating cavity.

8. A bearing seat sealing device according to claim 6, wherein the fastening members (13) are arranged at four corners of the seat body (11), and mounting holes matched with the fastening members (13) are formed at positions of the sealing seat (2) opposite to each fastening member (13).

9. A bearing seat sealing arrangement according to claim 8, characterized in that the four corners of the first sealing member (4) are provided with recesses (41) corresponding to the four fasteners (13) one by one, respectively, and the fasteners (13) are abutted to the outer sides of the recesses (41) to fix the first sealing member (4).

10. A moisture removal transfer net, comprising: the bearing seat sealing device comprises a moisture discharging cover (101), a rotating shaft (102), bearings (103) sleeved on the outer side of the rotating shaft (102), a rotating net (104) fixedly connected to the rotating shaft (102) and the bearing seat sealing device according to any one of claims 1-9, wherein the number of the sealing seats (2) is one and the sealing seats are fixedly connected to the end part of the moisture discharging cover (101).