CN216618319U

CN216618319U - Cylinder body driving shaft sealing device for pulping machine

Info

Publication number: CN216618319U
Application number: CN202122607752.2U
Authority: CN
Inventors: 徐卫煌; 李光伍; 陆平; 管海鹏; 杜烨; 杜冬青
Original assignee: Zhangjiagang Seth Mechanical Seal Co ltd
Current assignee: Zhangjiagang Seth Mechanical Seal Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-27
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a cylinder body driving shaft sealing device for a pulp grinder, which comprises a driving shaft I, wherein a reversing shaft is fixedly connected to the surface of the driving shaft I, a driving shaft II is fixedly connected to the surface of the reversing shaft, clamping components are connected to the outer surface of the driving shaft I and the outer surface of the driving shaft II, sealing rings are connected to the clamping components and sleeved on the driving shaft I and the driving shaft II, movable components are connected to the surfaces of the sealing rings, a swinging plate is connected to the surface of each movable component, a sealing cover is fixedly connected to the surface of each swinging plate, and a cavity is formed in the sealing cover. According to the utility model, through the matching of the structures, the sealing effect on the driving shaft is ensured, the multi-angle change of the sealing device on the driving shaft is ensured, the flexibility of the sealing device is enhanced, the surface protection effect of the sealing device is enhanced, and convenience is brought to the work of workers.

Description

Cylinder body driving shaft sealing device for pulping machine

Technical Field

The utility model relates to the technical field of driving shaft sealing, in particular to a cylinder body driving shaft sealing device for a pulping machine.

Background

At present, the dedicated disconnect-type fiberizer of soybean mill adopts underlying motor drive shaft mostly, drives a set of grinding wheel piece and accomplishes the mill thick liquid task, and the drive shaft is one kind of loader equipment, but one propulsion loader smoothness, makes the drive wheel can be according to different angular velocity pivoted device, because the sealed effect in the present most of drive shafts is relatively poor, and sealing device's angle change process is comparatively stiff in the drive shaft, indirect restriction sealing device's flexibility ratio, sealing device's surface protection effect is not enough, indirect life who has shortened sealing device, has brought inconvenience for staff's work, has brought certain adverse effect for the in-service use, consequently needs to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cylinder body driving shaft sealing device for a pulping machine, which has the advantages of ensuring the sealing effect on a driving shaft, ensuring the multi-angle change of the sealing device on the driving shaft, enhancing the flexibility of the sealing device, enhancing the surface protection effect of the sealing device, bringing convenience to the work of workers, bringing certain beneficial influence to the actual use and solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cylinder body drive shaft sealing device for defibrinator, includes drive shaft one, the fixed surface of drive shaft one is connected with the reversing shaft, the fixed surface of reversing shaft is connected with drive shaft two, the surface of drive shaft one and the surface of drive shaft two all are connected with the joint subassembly, the joint subassembly is connected with the sealing ring, the sealing ring cup joints on drive shaft one and drive shaft two, the surface of sealing ring is connected with movable assembly, movable assembly's surface is connected with the swing board, the fixed surface of swing board is connected with the sealed cowling, the cavity has been seted up to the inside of sealed cowling, the inner wall fixedly connected with elastic metal strip of cavity, the fixed surface of sealed cowling is connected with the waterproof layer.

Preferably, the clamping component comprises a clamping groove block and a clamping block, the clamping groove block is fixedly connected to the outer surface of the first driving shaft and the outer surface of the second driving shaft, the clamping block is fixedly connected to the side face of the sealing ring, and the inner wall of the clamping groove block is clamped and matched with the surface of the clamping block.

Preferably, the movable assembly comprises a movable groove and a movable ball, the movable groove is formed in the surface of the sealing ring, the movable ball is fixedly connected to one side of the swinging plate, and the surface of the movable ball is connected with the inner wall of the movable groove in a sliding mode and is matched with the inner wall of the movable groove.

Preferably, the whole component material of the sealing cover is aramid fiber, the elastic metal strip is positioned in the middle of the aramid fiber, and the thickness of the single-layer aramid fiber is at least larger than that of the elastic metal strip.

Preferably, the surface of the waterproof layer is fixedly connected with an anti-corrosion layer, and the inner surface of the anti-corrosion layer completely covers the outer surface of the waterproof layer.

Preferably, the side surface of the sealing ring is fixedly connected with a fixing plate, the side surface of the fixing plate is fixedly connected with a short spring, and one end of the short spring is fixedly connected with the side surface of the swinging plate.

Compared with the prior art, the utility model has the beneficial effects that: the sealing ring is fixed by the clamping and fixing relationship of the clamping groove block and the clamping block, the elastic metal strip can swing with a certain amplitude along with the reversing shaft, the sealing cover can drive the swing plate to swing, the swing plate can drive the movable ball to move in the movable groove, further, the swinging plate can be changed in multiple angles, the swinging plate can extrude the short spring to enter a contraction or stretching state through inclined swinging, the short spring can ensure that the swinging plate returns to the initial position under the action of no external force, through the setting of waterproof layer, reduced the inside condition of outside liquid entering seal cover, through the setting of anti-corrosion coating, weakened the outside material to the corrosion effects of seal cover, ensured the epaxial sealed effect of drive, strengthened sealing device's flexibility ratio, strengthened sealing device's surface protection effect, brought the facility for staff's work.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the utility model at A;

fig. 4 is a cross-sectional view of the seal housing of the present invention.

In the figure: 1. a first driving shaft; 2. a reversing shaft; 3. a second driving shaft; 4. a seal ring; 5. a swing plate; 6. a sealing cover; 7. an elastic metal strip; 8. a waterproof layer; 9. a slot clamping block; 10. a clamping block; 11. a movable groove; 12. a movable ball; 13. an anti-corrosion layer; 14. a fixing plate; 15. a short spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In embodiment 1, please refer to fig. 1 to 4, the present invention provides a technical solution: a cylinder body driving shaft sealing device for a pulp grinder comprises a driving shaft I1, a reversing shaft 2 is fixedly connected to the surface of the driving shaft I1, a driving shaft II 3 is fixedly connected to the surface of the reversing shaft 2, clamping components are connected to the outer surface of the driving shaft I1 and the outer surface of the driving shaft II 3 respectively, each clamping component is connected with a sealing ring 4, the sealing rings 4 are sleeved on the driving shaft I1 and the driving shaft II 3 respectively, a movable component is connected to the surface of each sealing ring 4, a swinging plate 5 is connected to the surface of each movable component, a sealing cover 6 is fixedly connected to the surface of each swinging plate 5, each sealing cover 6 can drive each swinging plate 5 to swing, a cavity is formed in each sealing cover 6, an elastic metal strip 7 is fixedly connected to the inner wall of each cavity, each elastic metal strip 7 can swing to a certain extent along with the reversing shaft 2, and a waterproof layer 8 is fixedly connected to the outer surface of each sealing cover 6, through the setting of waterproof layer 8, the condition that outside liquid got into inside sealed cowling 6 has been reduced.

Further, the joint subassembly includes draw-in groove piece 9 and fixture block 10, and draw-in groove piece 9 fixed connection is on the surface of drive shaft 1 and the surface of drive shaft two 3, and fixture block 10 fixed connection is on the side of sealing ring 4, and the inner wall of draw-in groove piece 9 and the surperficial joint and the adaptation of fixture block 10 can be free through the dismouting that carries out sealing ring 4 of draw-in groove piece 9 and fixture block 10.

Further, the movable assembly includes activity groove 11 and activity ball 12, and activity groove 11 is seted up on the surface of sealing ring 4, and activity ball 12 fixed connection is on one side of swing board 5, and the surface of activity ball 12 and the inner wall sliding connection and the adaptation of activity groove 11, swing board 5 can drive activity ball 12 and move about in the inside of activity groove 11, and then make swing board 5 can carry out the change of multi-angle.

Furthermore, the whole component material of the sealing cover 6 is aramid fiber, the elastic metal strip 7 is positioned in the middle of the aramid fiber, the thickness of the single-layer aramid fiber is at least larger than that of the elastic metal strip 7, and the whole protection performance and the buffer effect of the sealing cover 6 are guaranteed.

Embodiment 2, please refer to fig. 1 to 4, the difference between this embodiment and embodiment 1 is: the anti-corrosion layer 13 is fixedly connected to the surface of the waterproof layer 8, the inner surface of the anti-corrosion layer 13 completely covers the outer surface of the waterproof layer 8, the anti-corrosion layer 13 is arranged, the corrosion effect of external substances on the sealing cover 6 is weakened, and the sealing effect on the driving shaft is guaranteed. The side fixedly connected with fixed plate 14 of sealing ring 4, the side fixedly connected with short spring 15 of fixed plate 14, the one end of short spring 15 and the side fixed connection of swing board 5, short spring 15 can ensure that swing board 5 restores the initial position under not receiving the effect of external force.

The working principle is as follows: when the cylinder body driving shaft sealing device for the pulp grinder is used, when a worker needs to perform sleeving work of the sealing ring 4, the worker can fix the sealing ring 4 through the clamping and fixing relation of the clamping groove block 9 and the clamping block 10, the sealing ring 4 is sleeved on the surface of the driving shaft I1 and the surface of the driving shaft II 3, the sealing ring 4 can keep a sealing effect with the driving shaft I1 and the driving shaft II 3, when the driving shaft I1 and the driving shaft II 3 operate, the reversing shaft 2 between the driving shaft I1 and the driving shaft II 3 can play a role in buffering and reversing, when the reversing shaft 2 changes in length and angle, the elastic metal strip 7 can swing with a certain amplitude along with the reversing shaft 2, the sealing cover 6 can drive the swinging plate 5 to swing, and the swinging plate 5 can drive the movable ball 12 to move in the movable groove 11, and then make swing board 5 can carry out the change of multi-angle, swing board 5 slope swing can extrude short spring 15 and get into shrink or tensile state, short spring 15 can ensure swing board 5 and reply initial position under not receiving the effect of external force, setting through waterproof layer 8, the condition that outside liquid got into inside of sealed cowling 6 has been reduced, setting through anti-corrosion coating 13, the corrosive effects of outside material to sealed cowling 6 has been weakened, the epaxial sealed effect of drive has been ensured, and the multi-angle change of sealing device in the drive shaft has been ensured, sealing device's flexibility ratio has been strengthened, sealing device's surface protection effect has been strengthened, the work for the staff has brought the facility.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cylinder body drive shaft sealing device for refiner, includes drive shaft (1), the fixed surface of drive shaft (1) is connected with switching-over axle (2), the fixed surface of switching-over axle (2) is connected with drive shaft two (3), its characterized in that: the utility model discloses a joint assembly, including drive shaft one (1), drive shaft two (3), joint assembly, sealing ring (4) cup joint on drive shaft one (1) and drive shaft two (3), the surface of sealing ring (4) is connected with movable subassembly, movable subassembly's surface is connected with swing board (5), the fixed surface of swing board (5) is connected with seal cover (6), the cavity has been seted up to the inside of seal cover (6), the inner wall fixed connection elastic metal strip (7) of cavity, the fixed surface of seal cover (6) is connected with waterproof layer (8).

2. A cylinder drive shaft sealing device for a refiner according to claim 1, characterized in that: the joint subassembly includes draw-in groove piece (9) and fixture block (10), draw-in groove piece (9) fixed connection is on the surface of drive shaft one (1) and the surface of drive shaft two (3), fixture block (10) fixed connection is on the side of sealing ring (4), the inner wall of draw-in groove piece (9) and the surperficial joint and the adaptation of fixture block (10).

3. A cylinder drive shaft sealing device for a refiner according to claim 1, characterized in that: the movable assembly comprises a movable groove (11) and a movable ball (12), the movable groove (11) is formed in the surface of the sealing ring (4), the movable ball (12) is fixedly connected to one side of the swinging plate (5), and the surface of the movable ball (12) is in sliding connection with and matched with the inner wall of the movable groove (11).

4. A cylinder drive shaft sealing device for a refiner according to claim 1, characterized in that: the sealing cover (6) is made of aramid fibers, the elastic metal strips (7) are located in the middle of the aramid fibers, and the thickness of the single-layer aramid fibers is at least larger than that of the elastic metal strips (7).

5. A cylinder drive shaft sealing device for a refiner according to claim 1, characterized in that: and the surface of the waterproof layer (8) is fixedly connected with an anti-corrosion layer (13), and the inner surface of the anti-corrosion layer (13) completely covers the outer surface of the waterproof layer (8).

6. A cylinder drive shaft sealing device for a refiner according to claim 1, characterized in that: the side face of the sealing ring (4) is fixedly connected with a fixing plate (14), the side face of the fixing plate (14) is fixedly connected with a short spring (15), and one end of the short spring (15) is fixedly connected with the side face of the swinging plate (5).