CN214221810U

CN214221810U - Couch roll bearing lubricating structure

Info

Publication number: CN214221810U
Application number: CN202022819725.7U
Authority: CN
Inventors: 朱健硕
Original assignee: Wuxi Yueli Machinery Co ltd
Current assignee: Wuxi Yueli Machinery Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-17
Anticipated expiration: 2030-11-30

Abstract

The utility model belongs to the technical field of papermaking mechanical equipment, a couch roll bearing lubricating structure is related to, including the roller head, install the bearing box in the cavity of roller head tip, install inside bearing in the bearing box, the inner circle cover of inside bearing is located the axle sleeve, and the cooperation of axle sleeve hole sets up the axle, and the inboard tip installation nozzle of axle, the cooperation of nozzle front end sets up in the hole of the inboard tip of axle sleeve, and the cooperation of bearing box sets up the bearing case lid, and bearing case lid outer end sets up the spindle nose, spindle nose and the fixed connection of water absorption couch roll body, axle are equipped with the passageway that the axial link up to feed end with the intercommunication nozzle; a first lubricating oil channel is arranged on the roller head, the first lubricating oil channel is communicated with an oil inlet channel on the bearing box, and the oil inlet channel is communicated with an inner cavity of the bearing box. This lubricating structure adopts the fluid lubrication, and the oil duct is arranged rationally, can realize quick effective lubrication.

Description

Couch roll bearing lubricating structure

Technical Field

The utility model belongs to the technical field of papermaking mechanical equipment, a couch roll bearing lubricating structure is related to.

Background

The paper making machine has wide application in the paper making industry, the vacuum water-absorbing couch roll power side bearing in the existing paper making machine adopts grease lubrication, a grease lubrication structure needs to regularly open a bearing box cover to add lubricating grease, and the problems of complex operation and low efficiency exist.

Disclosure of Invention

The utility model provides a to above-mentioned problem, a couch roll bearing lubricating structure is provided, and this lubricating structure adopts the fluid lubrication, and the oil duct is arranged rationally, can realize quick effective lubrication.

According to the technical scheme of the utility model: a couch roll bearing lubricating structure is characterized in that: the roll comprises a roll head, wherein a bearing box is arranged in a cavity at the end part of the roll head, an internal bearing is arranged in the bearing box, an inner ring of the internal bearing is sleeved on a shaft sleeve, a shaft is arranged in a matching way in an inner hole of the shaft sleeve, a nozzle is arranged at the end part of the inner side of the shaft, the front end of the nozzle is arranged in a matching way in the inner hole of the end part of the inner side of the shaft sleeve, a bearing box cover is arranged in a matching way in the bearing box, a shaft head is arranged at the outer end of the bearing box cover, the shaft head is fixedly connected with a water-absorbing couch roll body, and the shaft is provided with an axially through channel to communicate with the feed end of the nozzle;

a first lubricating oil channel is arranged on the roller head, the first lubricating oil channel is communicated with an oil inlet channel on the bearing box, and the oil inlet channel is communicated with an inner cavity of the bearing box.

As a further improvement, the spindle nose is connected with the bearing box cover joint, and the spindle nose is gone up the cover and is established first sealing washer, and the seal lip of first sealing washer supports the terminal surface that leans on in the bearing box cover.

As a further improvement, it is sealed through the second sealing washer between axle sleeve and the bearing case lid, the seal lip of second sealing washer compresses tightly on the bearing case lid.

As a further improvement, the roller head is further provided with a second lubricating oil channel, and the second lubricating oil channel is used for lubricating the rotating part mounted on the circumferential surface of the roller head by oil.

As the utility model discloses a further improvement, first lubricated oil duct includes first lubricated oil duct oil feed portion, the first branch oil circuit of first lubricated oil duct, the branch oil circuit of first lubricated oil duct second, the first branch oil circuit of first lubricated oil duct oil feed portion intercommunication first lubricated oil duct and the branch oil circuit of first lubricated oil duct second, the first branch oil circuit intercommunication oil feed passageway of first lubricated oil duct.

As a further improvement, the rotating part includes external bearing, and on the inner circle of external bearing was fixed in the conical surface of roller head outer lane to through the spacing fixed of inner circle locating piece, the outer lane of external bearing set up the rotation box, and the rotation box rotates along with external bearing's outer lane is synchronous.

The technical effects of the utility model reside in that: the product of the utility model has reasonable and ingenious structure, and the problem of adopting grease lubrication to the existing product is pertinently improved, so that the product can realize high-efficiency and convenient lubrication operation; due to the reasonable layout of the lubricating oil channel, the oil can be fed through the oil inlet of the first lubricating oil channel, and the internal bearing and the external bearing can be lubricated simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In fig. 1, the roll head comprises a nozzle 1, a shaft sleeve 2, a bearing box 3, a bearing box cover 4, a roll head 5, a first lubricating oil channel 6, a first lubricating oil channel oil inlet part 6-1, a first lubricating oil channel first branch oil channel 6-2, a first lubricating oil channel second branch oil channel 6-3, a second lubricating oil channel 7, an internal bearing 8, a shaft 9, a shaft head 10, a water absorption couch roll body 11, an oil inlet channel 12, a first sealing ring 13, a second sealing ring 14, an external bearing 15, a rotating box body 16, an inner ring positioning block 17 and the like.

As shown in fig. 1, the utility model relates to a couch roll bearing lubricating structure, including roller head 5, installation bearing box 3 in the cavity of 5 tip of roller head, installation inside bearing 8 in the bearing box 3, on axle sleeve 2 was located to the inner circle cover of inside bearing 8, 2 hole cooperations of axle sleeve set up axle 9, and the inboard tip installation nozzle 1 of axle 9, the cooperation of 1 front end of nozzle sets up in the hole of 2 medial ends of axle sleeve, and 3 cooperations of bearing box set up bearing case lid 4, and 4 outer ends of bearing case lid set up spindle nose 10,

spindle nose

10 and 11 fixed connection of water absorption couch roll body, axle 9 are equipped with the passageway that the axial link up to the feed end of intercommunication nozzle 1.

A first lubricating oil channel 6 is arranged on the roller head 5, the first lubricating oil channel 6 is communicated with an oil inlet channel 12 on the bearing box 3, and the oil inlet channel 12 is communicated with an inner cavity of the bearing box 3.

The spindle nose 10 is connected with the bearing box cover 4 in a clamping mode, a first sealing ring 13 is sleeved on the spindle nose 10, and a sealing lip of the first sealing ring 13 abuts against the end face of the bearing box cover 4. The circumferential surface of the spindle head 10 is provided with steps to axially position the first seal ring 13, and the inner circumferential surface of the bearing box cover 4 and the shaft sleeve 2 which are matched with each other is provided with three ring grooves.

The shaft sleeve 2 and the bearing box cover 4 are sealed through a second sealing ring 14, and a sealing lip of the second sealing ring 14 is pressed on the bearing box cover 4. It will be appreciated that the surface of the sleeve 2 is provided with an annular projection to axially locate the second seal ring 14.

The roller head 5 is also provided with a second lubricating oil channel 7, and the second lubricating oil channel 7 is used for conducting oil lubrication on rotating parts arranged on the circumferential surface of the roller head 5.

The first lubricating oil channel 6 comprises a first lubricating oil channel oil inlet part 6-1, a first lubricating oil channel first branch oil path 6-2 and a first lubricating oil channel second branch oil path 6-3, the first lubricating oil channel oil inlet part 6-1 is communicated with the first lubricating oil channel first branch oil path 6-2 and the first lubricating oil channel second branch oil path 6-3, and the first lubricating oil channel first branch oil path 6-2 is communicated with the oil inlet channel 12.

The rotating part comprises an external bearing 15, the inner ring of the external bearing 15 is fixed on the conical surface of the outer ring of the roller head 5 and is limited and fixed through an inner ring positioning block 17, the outer ring of the external bearing 15 is provided with a rotating box body 16, and the rotating box body 16 synchronously rotates along with the outer ring of the external bearing 15.

As shown in fig. 1, an oil inlet passage 12 formed in the bearing housing 3 is communicated with a first lubricating oil passage 6 formed in the roller head 5, and an oil outlet end of the oil inlet passage 12 is formed in a flaring structure in actual production; the through hole at the inner end of the shaft sleeve 2 is internally provided with a nozzle 1, the tail end of the nozzle 1 is communicated with an oil duct arranged on the shaft 9, and the through hole is arranged at the tail end of the water absorption couch roll body 11 corresponding to the shaft 9. The utility model discloses the oil inlet of first lubricating-oil duct 6 of product leads to oily back, can realize lubricating 8, the external bearing 15 of internal bearing simultaneously, lubricated convenient and fast, reliable, and second lubricating-oil duct 7 mainly plays the backward flow effect to lubricated fluid.

Claims

1. A couch roll bearing lubricating structure is characterized in that: the roller comprises a roller head (5), wherein a bearing box (3) is arranged in a cavity at the end part of the roller head (5), an internal bearing (8) is arranged in the bearing box (3), an inner ring of the internal bearing (8) is sleeved on a shaft sleeve (2), a shaft (9) is arranged in the shaft sleeve (2) in a matching way, a nozzle (1) is arranged at the end part of the inner side of the shaft (9), the front end of the nozzle (1) is arranged in the inner hole at the end part of the inner side of the shaft sleeve (2) in a matching way, a bearing box cover (4) is arranged in the bearing box (3) in a matching way, a shaft head (10) is arranged at the outer end of the bearing box cover (4), the shaft head (10) is fixedly connected with a water absorption couch roller body (11), and an axially through channel is arranged on the shaft (9) to communicate with the feed end of the nozzle (1);

set up first lubricated oil duct (6) on roller head (5), oil feed passageway (12) on first lubricated oil duct (6) and bearing box (3) are linked together, and oil feed passageway (12) communicate the inner chamber of bearing box (3).

2. A couch bearing lubrication structure as claimed in claim 1, wherein: the shaft head (10) is connected with the bearing box cover (4) in a clamping mode, the shaft head (10) is sleeved with a first sealing ring (13), and a sealing lip of the first sealing ring (13) abuts against the end face of the bearing box cover (4).

3. A couch bearing lubrication structure as claimed in claim 1, wherein: the shaft sleeve (2) and the bearing box cover (4) are sealed through a second sealing ring (14), and a sealing lip of the second sealing ring (14) is pressed on the bearing box cover (4).

4. A couch bearing lubrication structure as claimed in claim 1, wherein: and a second lubricating oil channel (7) is also arranged on the roller head (5), and the second lubricating oil channel (7) is used for conducting oil lubrication on the rotating parts arranged on the circumferential surface of the roller head (5).

5. A couch bearing lubrication structure as claimed in claim 1, wherein: the first lubricating oil channel (6) comprises a first lubricating oil channel oil inlet portion (6-1), a first lubricating oil channel first branch oil path (6-2) and a first lubricating oil channel second branch oil path (6-3), the first lubricating oil channel oil inlet portion (6-1) is communicated with the first lubricating oil channel first branch oil path (6-2) and the first lubricating oil channel second branch oil path (6-3), and the first lubricating oil channel first branch oil path (6-2) is communicated with an oil inlet channel (12).

6. The couch roll bearing lubrication structure of claim 4, wherein: the rotating part comprises an external bearing (15), the inner ring of the external bearing (15) is fixed on the conical surface of the outer ring of the roller head (5) and is fixed in a limiting manner through an inner ring positioning block (17), the outer ring of the external bearing (15) is provided with a rotating box body (16), and the rotating box body (16) rotates synchronously along with the outer ring of the external bearing (15).