CN216589938U

CN216589938U - Novel spherical fill (mixing) shaft seal structure

Info

Publication number: CN216589938U
Application number: CN202220163309.2U
Authority: CN
Inventors: 耿莉; 刘德宁; 王成浩; 郑伟峰; 郜东旭
Original assignee: Wuxi Lingood Machinery Technology Stock Co ltd
Current assignee: Wuxi Lingood Machinery Technology Stock Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-05-24
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a novel spherical fill (mixing) shaft seal structure, its technical scheme main points are: the novel sealing structure for the stirring shaft of the spherical hopper comprises an ear hole ring, an O-shaped ring, a deep groove ball bearing, a sealing cover, a first framework sealing ring, a bearing cover and a second framework sealing ring; the bearing cover is arranged on the spherical bucket, the bearing cover is arranged on the spherical bucket assembly, the spherical bucket assembly comprises a transmission box body, a stirring shaft, the spherical bucket and a stirring paddle, the other end of the stirring shaft extends into the spherical bucket from an installation through hole formed in the spherical bucket, and the stirring paddle is arranged at the inner end of the stirring shaft; the bearing cover is sleeved on the stirring shaft of the spherical hopper, and a flange at the rear end of the bearing cover is fixed on a transmission box body of the spherical hopper; the novel sealing structure of the stirring shaft of the spherical hopper has the advantages of simple, compact and reasonable structure, good sealing property and attractive appearance, and adopts dustproof multilayer sealing.

Description

Novel spherical fill (mixing) shaft seal structure

Technical Field

The utility model relates to a seal structure field, in particular to novel spherical (mixing) shaft seal structure of fighting.

Background

In the prior art, a stirring hopper on some feeding machines adopts a spherical hopper, a stirring device of the existing spherical hopper mainly comprises a transmission box body, a stirring shaft and a stirring paddle, the transmission box body is positioned outside the spherical hopper, one end of the stirring shaft is connected with the transmission box body, the other end of the stirring shaft extends into the spherical hopper from a mounting through hole formed in the spherical hopper, and the stirring paddle is mounted at the inner end of the stirring shaft.

The sealing of the stirring shaft of the existing spherical hopper is only achieved through the framework sealing ring and the limiting structure, and the sealing of the stirring shaft can be influenced due to the special structure of the spherical hopper, so that material leakage is easy to occur at the positions of the installation through holes on the transmission box body and the spherical hopper, and the use of the feeding machine is influenced.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a novel spherical fill (mixing) shaft seal structure to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a novel sealing structure for a stirring shaft of a spherical hopper comprises an ear hole ring, an O-shaped ring, a deep groove ball bearing, a sealing cover, a first framework sealing ring, a bearing cover and a second framework sealing ring; the bearing cover is arranged on the spherical hopper, the bearing cover is arranged on the spherical hopper assembly, the spherical hopper assembly comprises a transmission box body, a stirring shaft, the spherical hopper and a stirring paddle, the other end of the stirring shaft extends into the spherical hopper from an installation through hole formed in the spherical hopper, and the stirring paddle is arranged at the inner end of the stirring shaft; the bearing cover is sleeved on the stirring shaft of the spherical hopper, and a flange at the rear end of the bearing cover is fixed on a transmission box body of the spherical hopper; the second framework sealing ring is assembled between the front end of the inner hole of the bearing cover and the stirring shaft; deep groove ball bearing and second skeleton seal assembly cover sealed, deep groove ball bearing is located before the second skeleton seal, the (mixing) shaft rotates to be connected in the deep groove ball bearing, the ear hole circle welding is outside the installation through-hole on the spherical fill, O type circle sets up between sealed lid and the ear hole circle, sealed lid is connected with the fastener for the ear hole circle.

Preferably, the outer peripheral surface of the front end of the ear hole ring is an oblique conical surface.

Preferably, the deep groove ball bearing is in clearance fit with the stirring shaft.

Preferably, the bottom of the sealing cover is further provided with a material leakage port, and the sealing cover is arranged between the second framework sealing ring and the deep groove ball bearing.

Preferably, the fastening connection part of the sealing cover is provided with a waist-shaped groove.

Preferably, the fastener comprises a bolt and a washer.

Preferably, the O-shaped ring is a chloroprene rubber ring.

Preferably, a conical ring surface is arranged in the ear hole ring.

To sum up, the utility model discloses mainly have following beneficial effect:

the spherical hopper stirring shaft sealing structure is simple, compact and reasonable in structure, adopts dustproof multilayer sealing, and is good in sealing performance and attractive in appearance; through adopting ear hole circle, O type circle, deep groove ball bearing, sealed lid, first skeleton sealing washer, bearing cap and second skeleton sealing washer, can fully guarantee that the (mixing) shaft has good sealed effect.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is an enlarged view of a point a in fig. 2.

Reference numerals: 1. a transmission case body; 2. a first skeleton seal ring; 3. a bearing cap; 4. a deep groove ball bearing; 5. a sealing cover; 6. an O-shaped ring; 7. a second skeleton sealing ring; 8. an ear hole ring; 9. a stirring shaft; 10. a stirring paddle; 11. a spherical hopper.

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.

Referring to fig. 1 to 3, a novel sealing structure for a stirring shaft of a spherical hopper comprises an ear hole ring 8, an O-shaped ring 6, a deep groove ball bearing 4, a sealing cover 5, a first framework sealing ring 2, a bearing cover 3 and a second framework sealing ring 7; the bearing cover 3 is arranged on the spherical bucket 11, the bearing cover 3 is arranged on the spherical bucket assembly, the spherical bucket assembly comprises a transmission box body 1, a stirring shaft 9, the spherical bucket 11 and a stirring paddle 10, the other end of the stirring shaft 9 extends into the spherical bucket 11 from an installation through hole formed in the spherical bucket 11, and the stirring paddle 10 is arranged at the inner end of the stirring shaft 9; the bearing cover 3 is sleeved on the stirring shaft 9 of the spherical hopper 11, and a flange at the rear end of the bearing cover 3 is fixed on the transmission box body 1 of the spherical hopper 11; and the second framework sealing ring 7 is assembled between the front end of the inner hole of the bearing cover 3 and the stirring shaft 9.

Referring to fig. 1 to 3, deep groove ball bearing 4 and second skeleton sealing washer 7 assemble on sealed lid 5, deep groove ball bearing 4 is before second skeleton sealing washer 7, (mixing) shaft 9 rotates to be connected in deep groove ball bearing 4, the welding of ear hole circle 8 is outside the mounting hole on spherical fill 11, O type circle 6 sets up between sealed lid 5 and the ear hole circle 8, sealed lid 5 is connected with ear hole circle 8 with the fastener.

Referring to fig. 1 to 3, the sealing structure of the stirring shaft 9 of the spherical hopper 11 has simple, compact and reasonable structure, adopts dustproof multilayer sealing, has good sealing performance and attractive appearance; by adopting the ear hole ring 8, the O-shaped ring 6, the deep groove ball bearing 4, the sealing cover 5, the first framework sealing ring 2, the bearing cover 3 and the second framework sealing ring 7, the stirring shaft 9 can be fully ensured to have good sealing effect; before deep groove ball bearing 4 was located second skeleton sealing washer 7, can make like this between second skeleton sealing washer 7 and the (mixing) shaft 9 sealed contact surface maximize, effectively prevent to leak the powder.

Referring to fig. 1 to 3, the outer peripheral surface of the front end of the ear hole ring 8 is an oblique conical surface, which can effectively prevent bridging of powder; wherein the deep groove ball bearing 4 is in clearance fit with the stirring shaft 9.

Referring to fig. 1 to 3, a material leakage port is further arranged at the bottom of the sealing cover 5, the sealing cover 5 is arranged at a position between the second skeleton sealing ring 7 and the deep groove ball bearing 4, a waist-shaped groove is formed at the fastening connection position of the sealing cover 5, and whether the second skeleton sealing ring 7 is worn or not and whether the sealing is failed or not can be observed through the arrangement of the waist-shaped groove.

Referring to fig. 1 to 3, the fastening member includes a bolt and a washer, and the bolt and the washer can be used to facilitate locking; the O-shaped ring 6 is a chloroprene rubber ring, and when the O-shaped ring 6 is the chloroprene rubber ring, the service life is long; wherein a conical ring surface is arranged in the ear hole ring 8, and the arrangement of the conical ring surface can facilitate the realization of oil sealing.

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 novel spherical fill (mixing) shaft seal structure which characterized in that: the device comprises an ear hole ring (8), an O-shaped ring (6), a deep groove ball bearing (4), a sealing cover (5), a first framework sealing ring (2), a bearing cover (3) and a second framework sealing ring (7); the bearing cover (3) is installed on the spherical hopper assembly, the spherical hopper assembly comprises a transmission box body (1), a stirring shaft (9), a spherical hopper (11) and a stirring paddle (10), one end of the stirring shaft (9) is connected with the transmission box body (1), the other end of the stirring shaft (9) extends into the spherical hopper (11) from an installation through hole formed in the spherical hopper (11), and the stirring paddle (10) is installed at the inner end of the stirring shaft (9); the bearing cover (3) is sleeved on the stirring shaft (9) of the spherical hopper (11), and a flange at the rear end of the bearing cover (3) is fixed on the transmission box body (1) of the spherical hopper (11); the second framework sealing ring (7) is assembled between the front end of the inner hole of the bearing cover (3) and the stirring shaft (9); deep groove ball bearing (4) and second skeleton sealing washer (7) assemble on sealed lid (5), deep groove ball bearing (4) are located before second skeleton sealing washer (7), (mixing) shaft (9) rotate to be connected in deep groove ball bearing (4), outside the mounting hole of ear hole circle (8) welding on spherical fill (11), O type circle (6) set up between sealed lid (5) and ear hole circle (8), sealed lid (5) are connected with the fastener with ear hole circle (8).

2. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: the outer peripheral surface of the front end of the ear hole ring (8) is an oblique conical surface.

3. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: the deep groove ball bearing (4) is in clearance fit with the stirring shaft (9).

4. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: the bottom of the sealing cover (5) is also provided with a material leakage port, and the sealing cover (5) is arranged between the second framework sealing ring (7) and the deep groove ball bearing (4).

5. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: the fastening connection part of the sealing cover (5) is provided with a waist-shaped groove.

6. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: the fastener includes a bolt and a washer.

7. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: the O-shaped ring (6) is a chloroprene rubber ring.

8. The novel sealing structure of the stirring shaft of the spherical hopper as claimed in claim 1, wherein: a conical ring surface is arranged in the ear hole ring (8).