CN211254127U

CN211254127U - Improved structure of spiral material conveyer

Info

Publication number: CN211254127U
Application number: CN201921948535.6U
Authority: CN
Inventors: 林嘉佑
Original assignee: Taijia Chengdu Glass Fiber Co ltd
Current assignee: Taijia Chengdu Glass Fiber Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-14
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses an improved structure of spiral material conveying machine, including output shaft and tapered roller bearing, tapered roller bearing cover is located on the output shaft, is equipped with seal assembly outside tapered roller bearing, and tapered roller bearing's inner circle and output shaft fixed connection, tapered roller bearing's outer lane and seal assembly fixed connection, seal assembly is including the flange that the cover was located outside tapered roller bearing, and tapered roller bearing's outer lane and the interior fixed surface of flange are connected, and the long neck end fixed connection of flange has the end cover, and the sealing surface end of flange is equipped with gland, gland and flange fixed connection; the sealing performance of the output shaft part of the spiral material conveyor is improved through the packing gland, and the tapered roller bearing replaces a common bearing to support the output shaft, so that the smooth rotation of the output shaft is effectively guaranteed, and the clamping of the output shaft part of the spiral material conveyor is avoided.

Description

Improved structure of spiral material conveyer

Technical Field

The utility model relates to a defeated material machine field of spiral specifically is defeated material machine's of spiral improvement structure.

Background

The screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push materials so as to realize the conveying purpose. Screw feeder generally divide into shaftless and have two big types of axle, the utility model discloses in screw feeder for having the defeated material machine of axle screw, the defeated material machine of screw that has the axle generally is used for transporting inviscid dry powder material and tiny particle material, when the screw axis rotates, because the gravity of material and with the produced frictional force of cell body wall, make the material can only move forward along the tank bottom of conveyer under the propelling movement of blade, its condition seems as if the nut that can not rotate makes translational motion along rotatory screw rod the same. The material is moved in the middle bearing by the thrust of the material advancing from the back. Therefore, the material is conveyed in the conveyor in a sliding motion completely. In order to place the screw shafts in a favorable tension, the drive and discharge openings are generally placed at the same end of the conveyor, with the feed opening being located as close as possible to the end of the other end. The rotating spiral blade pushes the material to be conveyed, and the force which prevents the material from rotating together with the spiral conveyor blade is the self weight of the material and the frictional resistance of the spiral conveyor shell to the material.

Screw feeder plays the key role in the melting production, screw feeder's normal operating can make the melting production stable, screw feeder appears the dead state of bearing card often when the operation among the prior art, only can change the production to the bearing after the bearing card dies, the production process of delaying greatly like this and can seriously influence the stability of melting production, it can also produce very big wearing and tearing to the output shaft to take place the card for a long time to die, finally can only change the output shaft, produce marginal unnecessary cost, this can all bring unfavorable influence to holistic production, so how to improve screw feeder's structure, change the dead current situation of output shaft card, just become the problem that screw feeder field is waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art spiral delivery machine output shaft take place the operation not smooth and easy easily at the operation in-process when transporting inviscid dry powder material and tiny particle material, still can take place output shaft department bearing card dead not enough when serious, an improvement structure of spiral delivery machine is provided, through improving the sealing performance of spiral delivery machine output shaft part and the structure of lubricated support when rotating, the effectual output shaft pivoted that has ensured is smooth and easy, the card of having avoided spiral delivery machine output shaft part is died.

The purpose of the utility model is mainly realized through the following technical scheme:

the improved structure of the spiral material conveying machine comprises an output shaft and a tapered roller bearing, wherein the tapered roller bearing is sleeved on the output shaft, a sealing assembly is arranged outside the tapered roller bearing, an inner ring of the tapered roller bearing is fixedly connected with the output shaft, an outer ring of the tapered roller bearing is fixedly connected with the sealing assembly, the sealing assembly comprises a flange sleeved outside the tapered roller bearing, the outer ring of the tapered roller bearing is fixedly connected with the inner surface of the flange, the long-neck end of the flange is fixedly connected with an end cover, a packing gland is arranged at the sealing surface end of the flange, and the packing gland is fixedly connected with the flange.

In the prior art, a shaft-mounted spiral conveyor is generally adopted to convey non-viscous dry powder materials and small-particle materials, and the applicant finds that an output shaft of the spiral conveyor is often clamped in the discharging process in the factory production operation process, the spiral conveyor stops running after the output shaft is clamped, the stopping of the spiral conveyor can damage the discharging stability of a kiln, and great production loss is caused, through the disassembly of the spiral conveyor, the problem that the output shaft of the spiral conveyor is clamped because a bearing used for supporting the output shaft is clamped is solved, the bearing is clamped because a feed inlet is not sealed well and powder materials around the bearing are fed into the bearing when the output shaft of the spiral conveyor is clamped, the bearing is clamped and cannot rotate after the powder materials are combined with lubricating oil, and the bearing and the output shaft are pulled to be damaged under the continuous rotation of the output shaft, so that the bearing is deformed, the output shaft is abraded, and the deformation of the bearing and the abrasion of, can cause a great deal of loss in the production process; in the utility model, the output shaft is supported by the tapered roller bearing, and the sealing component is adopted to prevent the powder mixed lubricating oil from entering the tapered roller bearing, the output shaft can be protected to safely and effectively rotate, the flange and the end cover in the sealing component also play the role of keeping the rotation balance of the output shaft, the output shaft can run stably, the end cover prevents powder from entering the tapered roller bearing from one end of the flange, the packing gland prevents powder from entering the tapered roller bearing from the other end of the flange, the tapered roller bearing can run smoothly, meanwhile, the tapered roller bearing can bear higher load and is more durable, and by improving the sealing performance of the output shaft part of the spiral material conveyor, and the tapered roller bearing replaces a common bearing to support the output shaft, thereby effectively ensuring the smooth rotation of the output shaft and avoiding the locking of the output shaft part of the spiral material conveyor.

Furthermore, a gasket is arranged between the tapered roller bearing and the end cover, and the gasket is filled in a gap between the tapered roller bearing and the end cover. Because tapered roller bearing can not fill up the inside of flange completely so there is certain clearance between end cover and the tapered roller bearing, though the end cover all keeps off most powder in the outside, but these gaps that the junction of spare part all can have certain gap all the time can the seepage powder get into tapered roller bearing, long-term seepage still can make the output shaft die by tapered roller bearing card, cause the result that is unfavorable for production, the utility model discloses fill the packing ring between end cover and tapered roller bearing, block powder entering tapered roller bearing with the packing ring, regard as the part that blocks the powder with the packing ring, guarantee tapered roller bearing's life and ensure the normal operating of output shaft.

Further, a packing is arranged between the packing gland and the flange sealing surface, the packing is wound on the output shaft and is completely soaked by oil, oil seals are arranged in gaps among the output shaft, the packing gland and the flange, and the oil seals are sealing oil which completely fills gaps among the output shaft, the packing gland and the flange. Although the packing gland and the flange are sealed through the sealing surface, the leakage condition can be generated under the long-term erosion of powder, and gaps exist among the output shaft, the packing gland and the flange, which can also influence the rotation of the output shaft, the utility model adopts the mode that the oil-immersed packing is coiled on the output shaft to fill the gap between the packing gland and the flange sealing surface, because the packing is immersed by oil, the packing has good lubricating performance and can not influence the normal operation of the output shaft, lubricating oil seals are adopted in the rest gaps among the output shaft, the packing gland and the flange, the oil seals can not only continuously infiltrate the packing, but also can effectively seal the gap part, and can assist the packing to block the erosion of dust when the auxiliary output shaft normally operates, because the oil seals are positioned in the gaps, the dust is firstly blocked by the packing when entering the gaps, no lump is formed at the oil seal to block the normal operation of the output shaft.

Furthermore, a lantern ring is further arranged at the end part of the tapered roller bearing, close to one end of the packing gland, and the lantern ring is sleeved on the output shaft and is fixedly connected with the outer surface of the output shaft. Because the operation of output shaft can lead to the whole vibrations that produce of equipment, and vibrations can drive seal assembly and carry out parallel translation along the direction of output shaft, and erect the lantern ring after, because the lantern ring is connected with the surface fixed connection of output shaft, can effectually restrict the relative displacement between seal assembly and the output shaft through the lantern ring to tapered roller bearing's operation also can become more stable, has avoided tapered roller bearing to take place the dislocation in vibrations.

Furthermore, the end part of the output shaft extending out of the spiral material conveying machine is provided with a buffer assembly, the upper end of the buffer assembly is connected with the output shaft, and the lower end of the buffer assembly is connected with the ground. Because the output shaft can take place vibrations at moving in-process, vibrations can drive the shake of whole equipment, is unfavorable for the stable operation of the defeated material machine of spiral, the utility model discloses in through stretch out the outside tip department of the defeated material machine of spiral at the output shaft and add the buffering subassembly for the vibrations of output shaft are eliminated in buffering subassembly department, thereby more stable operation of going on, have so both reduced because the damage to the defeated material machine of spiral that vibrations by a wide margin brought, have also strengthened output shaft moving stability.

Furthermore, the buffering assembly comprises a buffering ring, the buffering ring is sleeved on the output shaft and movably connected with the output shaft, a buffering frame is arranged below the buffering ring, the upper end of the buffering frame is fixedly connected with the buffering ring, and the lower end of the buffering frame is connected with the ground. The buffer frame is made of elastic hard materials, the buffer ring is sleeved on the output shaft and keeps a certain gap with the output shaft, when the vibration amplitude of the output shaft exceeds the gap capacity, the buffer frame controls the output shaft through elastic force, the output shaft can be effectively kept in the corresponding vibration amplitude, and in order to protect the output shaft, a flexible pad can be arranged on the inner surface of the buffer ring to avoid damage to the output shaft due to collision.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

(1) the sealing performance of the output shaft part of the spiral material conveyor is improved through the packing gland, and the tapered roller bearing replaces a common bearing to support the output shaft, so that the smooth rotation of the output shaft is effectively guaranteed, and the clamping of the output shaft part of the spiral material conveyor is avoided.

(2) The powder is prevented from entering the tapered roller bearing through the gasket, the gasket is used as a part for blocking the powder, the service life of the tapered roller bearing is guaranteed, and the normal operation of an output shaft is guaranteed.

(3) The buffering assembly is additionally arranged at the end part of the output shaft extending out of the spiral material conveying machine, so that the vibration of the output shaft is eliminated at the buffering assembly, and the operation is more stable, thereby reducing the damage to the spiral material conveying machine caused by the vibration of too large amplitude and enhancing the stability of the operation of the output shaft.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the buffer assembly of the present invention;

1-output shaft, 2-flange, 3-end cover, 4-gasket, 5-tapered roller bearing, 6-packing gland, 7-oil seal, 8-packing, 9-lantern ring, 10-buffer component, 101-buffer ring and 102-buffer frame.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example (b):

as shown in fig. 1-2, the improved structure of the spiral material conveying machine comprises an output shaft 1 and a tapered roller bearing 5, wherein the tapered roller bearing 5 is sleeved on the output shaft 1, a sealing assembly is arranged outside the tapered roller bearing 5, an inner ring of the tapered roller bearing 5 is fixedly connected with the output shaft 1, an outer ring of the tapered roller bearing 5 is fixedly connected with the sealing assembly, the sealing assembly comprises a flange 2 sleeved outside the tapered roller bearing 5, an outer ring of the tapered roller bearing 5 is fixedly connected with an inner surface of the flange 2, a long neck end of the flange 2 is fixedly connected with an end cover 3, a gland 6 is arranged at a sealing surface end of the flange 2, and the gland 6 is fixedly connected with the flange 2. And a gasket 4 is arranged between the tapered roller bearing 5 and the end cover 3, and the gasket 4 fills a gap between the tapered roller bearing 5 and the end cover 3. Packing 8 is arranged between sealing surfaces of the packing gland 6 and the flange 2, the packing 8 is coiled on the output shaft 1, the packing 8 is completely soaked by oil, an oil seal 7 is arranged in a gap among the output shaft 1, the packing gland 6 and the flange 2, and the oil seal 7 is sealing oil which completely fills the gap among the output shaft 1, the packing gland 6 and the flange 2. The tapered roller bearing 5 is close to the end part of one end of the packing gland 6 and is also provided with a lantern ring 9, and the lantern ring 9 is sleeved on the output shaft 1 and is fixedly connected with the outer surface of the output shaft 1.

In practical application, the tapered roller bearing 5 is firstly sleeved on the output shaft 1, the inner ring is fixed with the output shaft 1, the outer ring is fixed with the flange 2 in the sealing component, then the rest parts in the sealing component are gradually added, the gasket 4, the packing 8, the oil seal 7 and the like are arranged at corresponding positions, in the actual operation of the spiral conveyer, the powder material can fall down to the output shaft 1 under the vibration of the output shaft 1, and moves towards the tapered roller bearing 5, most of the powder is blocked by the flange 2, the end cover 3 and the packing gland 6 in the moving process, while the powder in the gap between the flange 2 and the end cover 3 is blocked by the gasket 4, the powder in the gap between the flange 2 and the packing gland 6 is blocked by the packing 8, and under the lubrication of the oil seal 7, the output shaft 1 can stably and effectively operate, and the integral structure cannot generate large relative displacement under the limitation of the lantern ring 9.

On the basis, the end part of the output shaft 1 extending out of the spiral material conveying machine is provided with a buffer assembly 10, the upper end of the buffer assembly 10 is connected with the output shaft 1, and the lower end of the buffer assembly 10 is connected with the ground. The buffering assembly 10 comprises a buffering ring 101, the buffering ring 101 is sleeved on the output shaft 1 and movably connected with the output shaft 1, a buffering frame 102 is arranged below the buffering ring 101, the upper end of the buffering frame 102 is fixedly connected with the buffering ring 101, and the lower end of the buffering frame 102 is connected with the ground.

Because the dead function of the powder of card of the bearing is mostly, and one of the key factors of the part where the powder enters the output shaft 1 in the transportation is the vibration of the output shaft 1 over a wide range when in operation, the buffer assembly 10 in the utility model effectively limits the position where the powder enters the output shaft 1 by limiting the vibration range of the output shaft 1, the buffer frame 102 in the embodiment adopts the arc-shaped support frame made of elastic hard material, the arc-shaped support frame is symmetrically distributed by taking the central line of the buffer ring 101 as the symmetry axis, the purpose of limiting the buffer ring 101 is achieved by the elastic deformation of the buffer frame 102, thereby limiting the vibration range of the output shaft 1 through the buffer ring 101,

the embodiment is tested by starting up and trial run, powder is not found on the surface of the output shaft 1 and the tapered roller bearing 5 during the test, and compared with the original spiral material conveyor, the vibration amplitude of the embodiment is reduced by 39.2%, the smooth rotation of the output shaft 1 is effectively ensured, and the blocking of the output shaft 1 part of the spiral material conveyor is avoided.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. Improved structure of screw feeder, including output shaft (1), its characterized in that still includes tapered roller bearing (5), tapered roller bearing (5) cover is located on output shaft (1), is equipped with seal assembly outside tapered roller bearing (5), and the inner circle and output shaft (1) fixed connection of tapered roller bearing (5), the outer lane and the seal assembly fixed connection of tapered roller bearing (5), seal assembly locates flange (2) outside tapered roller bearing (5) including the cover, and the inner fixed surface of the outer lane of tapered roller bearing (5) and flange (2) is connected, and the long neck end fixed connection of flange (2) has end cover (3), and the sealing surface end of flange (2) is equipped with gland (6), gland (6) and flange (2) fixed connection.

2. The improved structure of the spiral conveyor as claimed in claim 1, wherein a gasket (4) is arranged between the tapered roller bearing (5) and the end cover (3), and the gasket (4) fills the gap between the tapered roller bearing (5) and the end cover (3).

3. The improved structure of the spiral feeder according to claim 1, characterized in that a packing (8) is arranged between the sealing surface of the packing gland (6) and the flange (2), the packing (8) is wound on the output shaft (1) and the packing (8) is completely soaked by oil, an oil seal (7) is arranged in the gap between the output shaft (1), the packing gland (6) and the flange (2), and the oil seal (7) is sealing oil completely filling the gap between the output shaft (1), the packing gland (6) and the flange (2).

4. The improved structure of the spiral material conveyer according to claim 1, wherein a sleeve ring (9) is further disposed at an end of the tapered roller bearing (5) close to the packing gland (6), and the sleeve ring (9) is sleeved on the output shaft (1) and is fixedly connected with the outer surface of the output shaft (1).

5. The improved structure of the spiral conveyer according to claim 1, wherein the end of the output shaft (1) extending out of the spiral conveyer is provided with a buffer assembly (10), the upper end of the buffer assembly (10) is connected with the output shaft (1), and the lower end of the buffer assembly (10) is connected with the ground.

6. The improved structure of the spiral conveyer according to claim 5, wherein the buffer assembly (10) comprises a buffer ring (101), the buffer ring (101) is sleeved on the output shaft (1) and movably connected with the output shaft (1), a buffer frame (102) is arranged below the buffer ring (101), the upper end of the buffer frame (102) is fixedly connected with the buffer ring (101), and the lower end of the buffer frame (102) is connected with the ground.