CN216989193U

CN216989193U - Bearing for steel rolling mill bracket

Info

Publication number: CN216989193U
Application number: CN202122995766.6U
Authority: CN
Inventors: 朱德友
Original assignee: Panzhihua Gangcheng Group Co Ltd
Current assignee: Panzhihua Gangcheng Group Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-07-19
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a bearing for a rolling mill bracket.A bearing seat bearing body is internally provided with an oil groove, a through cover is provided with a mounting hole, and the mounting hole is provided with an oil supplementing device capable of supplementing oil to the oil groove; an oil outlet is formed in one end of the oil supplementing device and is matched with the mounting hole, and a first elastic plugging mechanism is arranged in the oil outlet; the other end of the oil supplementing device is provided with an oil inlet, the interior of the oil supplementing device is divided into a first oil cavity and a second oil cavity by a partition plate, and a second elastic plugging mechanism is arranged in the oil inlet; the partition plate is provided with a plurality of oil through holes, a third elastic plugging mechanism is arranged in each oil through hole, and the opening mechanism is connected with the first elastic plugging mechanism. The utility model can ensure the good lubrication of the bearing body of the bearing seat, improve the reliability and stability of the equipment, effectively improve the rolling precision, greatly prolong the service life of the equipment, obviously reduce the vibration and noise, and can well guarantee the smooth production of enterprises.

Description

Bearing for rolling mill bracket

Technical Field

The utility model belongs to the technical field of steel rolling machinery, and particularly relates to a bearing for a steel rolling mill bracket.

Background

The bracket bearing block is an indispensable part in a bar production line, and in practice, the rolling speed is accelerated along with the continuous improvement of production capacity, and the originally designed bearing block bearing (deep groove ball bearing) can not meet the requirements of the existing production. The equipment can receive great impact load in the steel feeding moment of production, because receive the influence of this load, and the bearing frame does not have the oil supplementing device in addition, therefore the wearing and tearing speed of bearing accelerates, has both influenced the life of equipment, but also influences the rolling precision of material.

For the above reasons, a new technology is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a bearing for a rolling mill stand that solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a bearing for a rolling mill bracket comprises a bearing seat bearing body, wherein the end part of the bearing seat bearing body is provided with a through cover, an oil groove is arranged in the bearing seat bearing body, the through cover is provided with a mounting hole, and an oil supplementing device capable of supplementing oil into the oil groove is arranged on the mounting hole; an oil outlet is formed in one end of the oil supplementing device and is matched with the mounting hole, and a first elastic plugging mechanism is arranged in the oil outlet; the other end of the oil supplementing device is provided with an oil inlet, the interior of the oil supplementing device is divided into a first oil cavity and a second oil cavity by a partition plate, the oil inlet, the first oil cavity, the second oil cavity and the oil outlet are sequentially communicated, and a second elastic plugging mechanism is arranged in the oil inlet; a plurality of oil through holes are formed in the partition plate, a third elastic plugging mechanism is arranged in each oil through hole, an opening mechanism capable of pushing the third elastic plugging mechanism is arranged in the first oil cavity, and the opening mechanism is connected with the first elastic plugging mechanism; the bearing block bearing body is made of PA nylon.

As a preferred technical solution in the present invention, the first elastic blocking mechanism includes a first blocking ball and a first spring, the first blocking ball is blocked in the passage of the oil outlet, the first spring is disposed on one side of the first blocking ball facing the bearing seat bearing body, and two ends of the first spring are respectively abutted against the first blocking ball and an inner wall of the oil outlet.

As a preferred technical solution in the present invention, the second elastic blocking mechanism includes a second blocking ball and a second spring, the second blocking ball is blocked in the passage of the oil inlet, the second spring is disposed on one side of the second blocking ball facing the bearing block bearing body, and two ends of the second spring are respectively abutted against the second blocking ball and the inner wall of the oil inlet.

As a preferable technical solution in the present invention, the third elastic blocking mechanism includes a third blocking ball and a third spring, the third blocking ball is blocked in the oil through hole, the third spring is disposed on a side of the third blocking ball facing the bearing seat bearing body, and two ends of the third spring respectively abut against the third blocking ball and an inner wall of the oil through hole.

As a preferable technical scheme, the opening mechanism comprises a pressing plate (601), a pressing spring, a connecting rod and an ejector rod, the pressing plate and the partition plate are arranged in the first oil cavity in parallel, the ejector rod is arranged in the first oil cavity outside each oil through hole, and the ejector rod is connected to the pressing plate; and a plurality of mortgage springs are uniformly distributed between the pressing plate and the partition plate, and two ends of the connecting rod are respectively connected with the second plugging ball and the middle part of the pressing plate.

As a preferable technical scheme, the oil supplementing device further comprises a shell and an end cover, an oil outlet is formed in one end of the shell, the partition plate is arranged in the middle of the shell, the end cover is in threaded connection with the other end of the shell, and an oil inlet is formed in the end cover.

As a preferred technical solution of the present invention, a seal ring is disposed between the housing and the end cap.

As a preferable technical scheme in the utility model, a sealing ring is arranged between the oil outlet and the mounting hole.

Has the advantages that: the utility model can automatically supply the grease in the grease supply device under the condition that the grease is reduced by the friction of the grease due to gravity and the rotation of the shaft shoulder of the transmission shaft in the bearing seat to generate suction, so as to ensure the good lubrication of the bearing body of the bearing seat, thereby improving the reliability and stability of the equipment, effectively improving the rolling precision of the rolling mill, greatly prolonging the service life of the equipment, obviously reducing the vibration and noise, and playing a good role in ensuring the smooth production of enterprises; when grease in the second oil cavity is injected into the bearing seat bearing body, the pressure in the second oil cavity is gradually reduced, so that the third elastic plugging mechanism is opened, the grease in the first oil cavity is injected into the second oil cavity for reuse, the whole using time is longer, when the grease needs to be injected into the first oil cavity, the second elastic plugging mechanism can be considered to be opened, the second elastic plugging mechanism can drive the third elastic plugging mechanism to be opened simultaneously, the first oil cavity and the second oil cavity are conveniently and simultaneously filled with grease, the whole stability is good, the internal structure has linkage, the two cavities can be filled with the grease in the grease supplementing device at one time, the two cavities can be matched with each other, under the condition that the grease in the first oil cavity and the second oil cavity is enough, the grease can be automatically supplemented, and the grease can be ensured to be sufficient when the grease is filled into the bearing seat bearing body, is worthy of popularization.

Drawings

FIG. 1 is a sectional view of an oil compensating device according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the present invention.

Detailed Description

Example (b):

as shown in fig. 1-3, the embodiment provides a bearing for a rolling mill bracket, which includes a bearing seat bearing body 1 with a through cover at an end, an oil groove is arranged on a joint surface in the bearing seat bearing body 1, a mounting hole is arranged on the through cover, an oil supplementing device 2 capable of supplementing oil into the oil groove is arranged on the mounting hole, and lubricating grease with a small penetration degree and good fluidity is added in advance in the oil supplementing device 2; an oil outlet is formed in one end of the oil supplementing device 2, the oil outlet is installed in a matched mode with the installation hole, stable connection of the oil supplementing device 2 is guaranteed, a first elastic plugging mechanism 3 is arranged in the oil outlet, the oil supplementing device 2 cannot be discharged at any time, effective control can be achieved, and only when suction force is generated due to the fact that oil is subjected to gravity and a shaft shoulder of a transmission shaft rotates in a bearing seat, the sliding bearing can act to open the oil outlet and supplement oil into a bearing seat bearing body 1 under the condition that the oil is reduced due to the fact that the sliding bearing is used; the other end of the oil supplementing device 2 is provided with an oil inlet, a first oil cavity 202 and a second oil cavity 203 are partitioned in the oil supplementing device 2 through a partition plate 201, the oil inlet, the first oil cavity 202, the second oil cavity 203 and the oil outlet are sequentially communicated, and a second elastic plugging mechanism 4 is arranged in the oil inlet; a plurality of oil through holes are arranged on the partition plate 201, a third elastic plugging mechanism 5 is arranged in each oil through hole, an opening mechanism 6 capable of pushing the third elastic plugging mechanism 5 is arranged in the first oil cavity 202, the opening mechanism 6 is connected with the first elastic plugging mechanism 3, when the grease in the second oil chamber 203 is injected into the bearing housing bearing body 1, the pressure in the second oil chamber 203 is gradually reduced, and the third elastic blocking mechanism 5 is opened, so that the grease in the first oil chamber 202 is injected into the second oil chamber 203 for reuse, thereby prolonging the service life of the whole oil chamber, when grease needs to be injected into the first oil chamber 202, when the second elastic plugging mechanism 4 is opened, the second elastic plugging mechanism 4 drives the third elastic plugging mechanism 5 to be opened at the same time, so that the first oil chamber 202 and the second oil chamber 203 can be conveniently filled with grease at the same time; the bearing seat bearing body 1 is a sliding bearing made of PA nylon material, has high strength and good wear resistance, and is combined with an oil groove arranged on the inner joint surface of the bearing to increase the antifriction property and the wear resistance of the bearing, so that the service life of the bearing is prolonged; because the grease receives gravity and the transmission shaft shoulder rotates in the bearing frame and produces the factor of suction, slide bearing is under the condition that the grease reduces, the grease in the oil supply device 2 will carry out the supply automatically to guarantee the good lubrication of bearing frame bearing body 1, thereby improve equipment's reliability and stability, make the rolling precision of rolling mill obtain effectual improvement, equipment's life has had the increase by a wide margin, its vibrations, the noise obviously reduces, can play fine guarantee for the smooth production of enterprise.

The utility model can automatically supply the grease in the grease supply device 2 under the condition that the grease is reduced by the sliding bearing due to the factors of the gravity of the grease and the rotation of the shaft shoulder of the transmission shaft in the bearing seat to generate the suction force, so as to ensure the good lubrication of the bearing body 1 of the bearing seat, thereby improving the reliability and the stability of the equipment, effectively improving the rolling precision of the rolling mill, greatly prolonging the service life of the equipment, obviously reducing the vibration and the noise, and playing a good guarantee for the smooth production of enterprises; when grease in the second oil cavity 203 is injected into the bearing pedestal bearing body 1, the pressure in the second oil cavity 203 is gradually reduced, so that the third elastic blocking mechanism 5 is opened, the grease in the first oil cavity 202 is injected into the second oil cavity 203 for reuse, the whole using time is longer, when the grease needs to be injected into the first oil cavity 202, the second elastic blocking mechanism 4 can be considered to be opened, at the moment, the second elastic blocking mechanism 4 can drive the third elastic blocking mechanism 5 to be opened simultaneously, so that the first oil cavity 202 and the second oil cavity 203 can be conveniently filled with grease at the same time, the whole stability is good, the internal structure has linkage, the two cavities can be filled with grease at one time in the oil filling device 2, the two oil cavities can be mutually matched, and the grease can be automatically replenished under the condition that the grease in the first oil cavity 202 and the second oil cavity 203 is enough, grease is sufficient when guaranteeing to annotate oil in the bearing frame bearing body 1, is worth promoting.

As a preferred embodiment in this embodiment, it needs to be further described that, as shown in fig. 2, the first elastic blocking mechanism 3 includes a first blocking ball 301 and a first spring 302, the first blocking ball 301 is blocked in a passage of the oil outlet, the first spring 302 is disposed on one side of the first blocking ball 301 facing the bearing seat bearing body 1, and two ends of the first spring 302 are respectively abutted against the first blocking ball 301 and an inner wall of the oil outlet, when the grease is subjected to gravity and a shaft shoulder of the transmission shaft rotates in the bearing seat to generate a suction force, and when the grease is reduced, the first blocking ball 301 compresses the first spring 302, so that the oil outlet is opened, and then oil is replenished into the bearing seat bearing body 1.

As a preferred embodiment in this embodiment, it should be further explained that the second elastic blocking mechanism 4 includes a second blocking ball 401 and a second spring 402, the second blocking ball 401 is blocked in the channel of the oil inlet, the second spring 402 is disposed on one side of the second blocking ball 401 facing the bearing block bearing body 1, and two ends of the second spring 402 are respectively abutted against the second blocking ball 401 and an inner wall of the oil inlet, when the oil is filled into the first oil cavity 202, the oil nozzle will abut against the second blocking ball 401, so as to open the oil inlet, and fill the oil into the first oil cavity 202, after the oil is filled, the second spring 402 drives the second blocking ball 401 to automatically reset, and blocks the oil inlet again.

As a preferred embodiment in this embodiment, it should be further described that the third elastic blocking mechanism 5 includes a third blocking ball 501 and a third spring 502, the third blocking ball 501 is blocked in the oil through hole, the third spring 502 is disposed on one side of the third blocking ball 501 facing the bearing seat bearing body 1, two ends of the third spring 502 are respectively abutted against the third blocking ball 501 and an inner wall of the oil through hole, when grease in the second oil cavity 203 is injected into the bearing seat bearing body 1, a pressure in the second oil cavity 203 is gradually reduced, so that the third elastic blocking mechanism 5 is opened, the third blocking ball 501 compresses the third spring 502, the oil through hole is opened, and the grease in the first oil cavity 202 is injected into the second oil cavity 203.

As a preferred embodiment in this embodiment, it should be further explained that the opening mechanism 6 includes a pressing plate 601, a pressing spring 602, a connecting rod 603, and a top rod 604, where the pressing plate 601 is parallel to the partition plate 201 and disposed in the first oil cavity 202, the top rod 604 is disposed in the first oil cavity 202 outside each oil through hole, and the top rod 604 is connected to the pressing plate 601; a plurality of pressing springs 602 are uniformly distributed between the pressing plate 601 and the partition plate 201, two ends of the connecting rod 603 are respectively connected with the middle parts of the second blocking ball 401 and the pressing plate 601, when oil is injected into the first oil cavity 202, the oil injection nozzle can push the second blocking ball 401 to move towards the pressing plate 601, so as to drive the connecting rod 603 to compress the pressing springs 602, and simultaneously drive the ejector rod 604 to push the third blocking ball 501, so that the oil through hole is opened, after the oil injection is finished, the second spring 402 drives the second blocking ball 401 to automatically reset, and the pressing springs 602 and the connecting rod 603 also drive the pressing plate 601 and the ejector rod 604 to automatically reset.

As a preferred embodiment in this embodiment, it should be further described that the oil supplementing device 2 further includes a housing 204 and an end cover 205, the oil outlet is disposed at one end of the housing 204, the partition plate 201 is disposed in the middle of the housing 204, the end cover 205 is disposed at the other end of the housing 204 in a threaded manner, and the oil inlet is disposed on the end cover 205, so as to facilitate assembly and disassembly for performing later maintenance and cleaning.

As a preferred embodiment in this embodiment, it is further noted that a sealing ring is disposed between the housing 204 and the end cap 205. Furthermore, a sealing ring is arranged between the oil outlet and the mounting hole, and the two sealing rings can enable the sealing between the shell 204 and the end cover 205 to be tighter, and the sealing between the oil outlet and the mounting hole to be tighter.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing for a rolling mill bracket comprises a bearing seat bearing body (1) with a through cover arranged at the end part, and is characterized in that an oil groove is arranged in the bearing seat bearing body (1), a mounting hole is arranged on the through cover, and an oil supplementing device (2) capable of supplementing oil into the oil groove is arranged on the mounting hole; an oil outlet is formed in one end of the oil supplementing device (2), the oil outlet is installed in a matched mode with the installation hole, and a first elastic plugging mechanism (3) is arranged in the oil outlet; an oil inlet is formed in the other end of the oil supplementing device (2), a first oil cavity (202) and a second oil cavity (203) are partitioned in the oil supplementing device (2) through a partition plate (201), the oil inlet, the first oil cavity (202), the second oil cavity (203) and the oil outlet are sequentially communicated, and a second elastic plugging mechanism (4) is arranged in the oil inlet; a plurality of oil through holes are formed in the partition plate (201), a third elastic plugging mechanism (5) is arranged in each oil through hole, an opening mechanism (6) capable of pushing the third elastic plugging mechanism (5) is arranged in the first oil cavity (202), and the opening mechanism (6) is connected with the first elastic plugging mechanism (3); the bearing seat bearing body (1) is made of PA nylon material.

2. Bearing for a rolling mill bracket according to claim 1, characterized in that the first elastic blocking means (3) comprises a first blocking ball (301) and a first spring (302), the first blocking ball (301) is blocked in the channel of the oil outlet, the first spring (302) is arranged on the side of the first blocking ball (301) facing the bearing block bearing body (1), and two ends of the first spring (302) abut against the first blocking ball (301) and the inner wall of the oil outlet respectively.

3. The bearing for the rolling mill bracket as recited in claim 1, characterized in that the second elastic blocking mechanism (4) comprises a second blocking ball (401) and a second spring (402), the second blocking ball (401) is blocked in the passage of the oil inlet, the second spring (402) is arranged on one side of the second blocking ball (401) facing the bearing seat bearing body (1), and two ends of the second spring (402) are respectively abutted against the second blocking ball (401) and the inner wall of the oil inlet.

4. The bearing for the rolling mill bracket as recited in claim 1, characterized in that the third elastic blocking mechanism (5) comprises a third blocking ball (501) and a third spring (502), the third blocking ball (501) is blocked in the oil through hole, the third spring (502) is arranged on one side of the third blocking ball (501) facing the bearing seat bearing body (1), and two ends of the third spring (502) are respectively abutted against the third blocking ball (501) and the inner wall of the oil through hole.

5. The bearing for the bracket of the rolling mill according to claim 4, wherein the opening mechanism (6) comprises a pressing plate (601), a pressing spring (602), a connecting rod (603) and a top rod (604), the pressing plate (601) and the partition plate (201) are arranged in the first oil cavity (202) in parallel, the top rod (604) is arranged in the first oil cavity (202) outside each oil through hole, and the top rod (604) is connected to the pressing plate (601); a plurality of mortgage springs (602) are uniformly distributed between the pressure plate (601) and the partition plate (201), and two ends of the connecting rod (603) are respectively connected with the middle parts of the second blocking ball (401) and the pressure plate (601).

6. The bearing for the rolling mill bracket as recited in claim 1, wherein the oil supplementing device (2) further comprises a housing (204) and an end cover (205), an oil outlet is arranged at one end of the housing (204), the partition plate (201) is arranged at the middle part of the housing (204), the end cover (205) is in threaded connection with the other end of the housing (204), and an oil inlet is arranged on the end cover (205).

7. Bearing for a rolling mill carriage according to claim 6 characterized in that between the housing (204) and the end cap (205) there is provided a sealing ring.

8. The bearing for the bracket of the rolling mill as set forth in claim 1, wherein a seal ring is provided between the oil outlet port and the mounting hole.