CN214866126U

CN214866126U - Cooling device for rear roller way of roughing mill

Info

Publication number: CN214866126U
Application number: CN202120662438.1U
Authority: CN
Inventors: 郭冲; 韩波; 伍继权
Original assignee: Guangdong Guangqing Metal Calendering Co ltd; Guangdong High End Stainless Steel Research Institute Co ltd; Guangdong Guangqing Metal Technology Co Ltd
Current assignee: Guangdong Guangqing Metal Calendering Co ltd; Guangdong High End Stainless Steel Research Institute Co ltd; Guangdong Guangqing Metal Technology Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-26
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a roll table cooling device behind roughing mill, including bearing frame and roller, the inside of bearing frame is provided with antifriction bearing, all be provided with the axis of rotation on the bearing frame, one of them the axis of rotation is inside hollow, the cover has the roller between the axis of rotation, lie in the axis of rotation and be provided with the locking gasket with crossing department of one of them bearing frame, the hollow end movable mounting of axis of rotation has interior cold charge, there is outer cold charge through bolt fixed mounting in bearing frame and the axis of rotation. A roller table cooling device behind roughing mill, can reduce roller bearing temperature, extension bearing life and avoid the bearing locking, do not cause the roller card to hinder and do not change the wait condition, cool off the axis of rotation through interior cold charge, reasonable in design, simple structure, the cooling is effectual, makes the bearing frame high temperature cause the bearing locking and the accident rate of damage reduce through interior cold charge and outer cold charge.

Description

Cooling device for rear roller way of roughing mill

Technical Field

The utility model relates to a roughing mill field, in particular to roller table cooling device behind roughing mill.

Background

The roughing mill is equipment for realizing a metal rolling process, and generally refers to equipment for completing the whole process of rolled material production, and comprises main equipment, auxiliary equipment, hoisting and transporting equipment, auxiliary equipment and the like. The development trend of modern rolling mills is continuous, automatic and specialized, the product quality is high, the consumption is low, the rear roller of the second roughing mill transports the produced steel, the high-temperature steel has influence on the parts on the rear roller during the period, and the roller way cooling mode mainly comprises two internal cooling and external cooling. The internal cooling roller is a hollow roller, and the temperature of the roller is reduced by circulating water flowing through the inner cavity of the roller. The outer cold roll reduces the temperature mainly by spraying water or naturally cooling the roll surface. However, the existing roughing mill rear roller has certain disadvantages, the temperature of the roller surface is reduced, and the temperature of the roller bearing and the roller neck part is overhigh in the actual production. Because the cooling water in the roller can not effectively reduce the temperature of the bearing in the bearing seat and the temperature of the roller neck, the bearing is overhigh in temperature, and the roller is locked or damaged. So that the roller does not rotate. After a roller for transporting the steel belt is blocked and does not rotate, scratches can be caused on the surface of the steel belt, so that products are degraded, and the quality of the products is influenced; at the same time, the rollers need to be replaced in time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a roller table cooling device behind roughing mill can effectively solve the problem in the background art.

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

the utility model provides a roll table cooling device behind roughing mill, includes bearing frame and roller, the inside of bearing frame is provided with antifriction bearing, all be provided with the axis of rotation on the bearing frame, one of them the axis of rotation is inside hollow, the cover has the roller between the axis of rotation, lie in the axis of rotation and be provided with the check washer with crossing department of one of them bearing frame, the hollow end movable mounting of axis of rotation has interior cooling device, there is outer cold charge through bolt fixed mounting in bearing frame and the axis of rotation, and outer cold charge and bearing frame and axis of rotation registrate.

Preferably, the outer cooling device includes first bucket water hole, set casing, first hole for water spraying, deposits water cavity and second hole for water spraying, the set casing is two mutual welded arc pieces, form one between the set casing and deposit the water cavity, the one end of set casing is provided with first bucket water hole, and first bucket water hole with deposit the water cavity and be linked together, the inside of set casing is located and is provided with first hole for water spraying with the corresponding position of bearing frame, the inside of first hole for water spraying is located and is provided with the second hole for water spraying with the position that the rotating shaft was laminated, can cool off the bearing frame through outer cooling device, and then cools off the bearing, can also cool off the axis of rotation to reduce roller bearing temperature, prolong bearing life and avoid the bearing locking, do not cause the roller to block and the circumstances such as not changeing.

Preferably, interior cold charge is including second bucket water hole, rotation sleeve, connecting pipe and raceway, the one end that the centre of adjustment pad is located the axis of rotation is provided with the rotation sleeve, be provided with two second bucket water holes on the rotation sleeve, and second bucket water hole is located rotation sleeve's end and side respectively, all overlap on the second bucket water hole and have the connecting pipe, one of them the end of connecting pipe is fixed mutually with the raceway through the clamp, cools off the axis of rotation through interior cold charge, reasonable in design, simple structure, and the cooling water volume size is controllable, and it is effectual to cool down, makes the bearing frame high temperature cause the bearing locking and the accident rate of damage reduce through interior cold charge and outer cold charge.

Preferably, the two sides of the rolling bearing on the bearing seat are provided with a first end cover and a first gland, the joint of the first end cover, the first gland and the bearing seat is provided with an adjusting pad, and the first end cover and the first gland are fixed with the bearing seat through fixing bolts.

Preferably, a positioning sleeve and a first shaft sealing ring are arranged at the intersection of the inner part of the bearing seat and the rotating shaft.

Preferably, the inner part of the bearing seat is provided with a positioning ring at the joint part with the rolling bearing.

Preferably, the other end of the inside of the bearing seat, which is located at the rotating shaft, is provided with a second gland, a transparent cover and a second shaft sealing ring.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with outer cold charge, can cool off the bearing frame through outer cold charge, and then cool off the bearing, can also cool down the axis of rotation, thereby reduce roller bearing temperature, prolong bearing life and avoid the bearing locking, do not cause the roller card to hinder and the circumstances such as not changeing, be provided with interior cold charge, cool off the axis of rotation through interior cold charge, reasonable in design, moreover, the steam generator is simple in structure, it is effectual to cool down, make the bearing frame high temperature cause the bearing locking and the accident rate of damage reduce through interior cold charge and outer cold charge.

Drawings

Fig. 1 is a schematic view of the overall structure of a cooling device for a rear roller way of a roughing mill of the present invention;

FIG. 2 is a schematic view of the inside of a bearing seat of the cooling device for the rear roller way of the roughing mill of the present invention;

FIG. 3 is a side view of a bearing seat of a cooling device for a back roller way of a roughing mill of the present invention;

FIG. 4 is a schematic view of an external cooling device of the cooling device for the rear roller way of the roughing mill of the present invention;

fig. 5 is a schematic view of the inner cooling device of the cooling device for the rear roller way of the roughing mill of the present invention.

In the figure: 1. a positioning sleeve; 2. a first shaft seal ring; 3. a first end cap; 4. an adjustment pad; 5. a rolling bearing; 6. a bearing seat; 7. a positioning ring; 8. a first gland; 9. an external cooling device; 901. a first bucket water hole; 902. a stationary case; 903. a first water spray hole; 904. a water storage cavity; 905. a second water jet hole; 10. fixing the bolt; 11. a rotating shaft; 12. a roller; 13. a second gland; 14. a stopper spacer; 15. a transparent cover; 16. a second shaft seal ring; 17. an internal cooling device; 1701. a second bucket water hole; 1702. rotating the sleeve; 1703. a connecting pipe; 1704. a water delivery pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a cooling device for a rear roller way of a roughing mill comprises bearing seats 6 and rollers 12, wherein rolling bearings 5 are arranged inside the bearing seats 6, the bearing seats 6 are respectively provided with rotating shafts 11, one of the rotating shafts 11 is hollow, the rollers 12 are sleeved between the rotating shafts 11, a stop gasket 14 is arranged on the rotating shaft 11 at the intersection with one of the bearing seats 6, an inner cooling device 17 is movably arranged at the hollow end of the rotating shaft 11, outer cooling devices 9 are fixedly arranged on the bearing seats 6 and the rotating shafts 11 through bolts, and the outer cooling devices 9 are sleeved with the bearing seats 6 and the rotating shafts 11;

the external cooling device 9 comprises a first bucket water hole 901, a fixed shell 902, a first water spraying hole 903, a water storage cavity 904 and a second water spraying hole 905, the fixed shell 902 is two arc-shaped blocks which are welded with each other, the water storage cavity 904 is formed between the fixed shells 902, one end of the fixed shell 902 is provided with the first bucket water hole 901, the first bucket water hole 901 is communicated with the water storage cavity 904, the first water spraying hole 903 is arranged in the fixed shell 902 at a position corresponding to the bearing seat 6, and the second water spraying hole 905 is arranged in the first water spraying hole 903 at a position which is jointed with the rotating shaft 11; the inner cooling device 17 comprises a second bucket water hole 1701, a rotating sleeve 1702, connecting pipes 1703 and a water conveying pipe 1704, wherein the rotating sleeve 1702 is arranged at one end, positioned on the rotating shaft 11, of the middle of the rolling bearing 5, the two second bucket water holes 1701 are arranged on the rotating sleeve 1702, the second bucket water holes 1701 are respectively positioned at the tail end and the side surface of the rotating sleeve 1702, the connecting pipes 1703 are sleeved on the second bucket water holes 1701, and the tail end of one connecting pipe 1703 is fixed with the water conveying pipe 1704 through a clamp; a first end cover 3 and a first gland 8 are arranged on the bearing seat 6 and positioned at two sides of the rolling bearing 5, an adjusting pad 4 is arranged at the joint of the first end cover 3, the first gland 8 and the bearing seat 6, and the first end cover 3 and the first gland 8 are fixed with the bearing seat 6 through fixing bolts 10; a positioning sleeve 1 and a first shaft sealing ring 2 are arranged in the bearing seat 6 at the intersection of the bearing seat and the rotating shaft 11; a positioning ring 7 is arranged at the joint of the bearing seat 6 and the rolling bearing 5; the bearing seat 6 is provided with a second gland 13, a transparent cover 15 and a second shaft seal ring 16 at the other end of the rotating shaft 11.

It should be noted that, the utility model relates to a roller table cooling device behind roughing mill, during the installation, rolling bearing 5 is overlapped on axis of rotation 11, and install bearing frame 6 on rolling bearing 5, then fix first end cover 3 and first gland 8 through fixing bolt 10, and adjust the position of rolling bearing 5 through holding ring 7, and sheathe fixing bolt 10 in position sleeve 1, then install second gland 13, cover 15 and second shaft seal 16 on two another rolling bearing 5 and bearing frame 6, weld roller 12 between two axis of rotation 11, then fix two bearing frames 6 well, during the use, rolled steel removes from middle roller 12, because one of them axis of rotation 11 is the hollow shaft, can input the water in raceway 1704 to the second bucket water hole 1701 on the rotating sleeve 1702 via connecting pipe 1703 at this moment, because the rotating sleeve 1702 and the rotating shaft 11 swing joint that has the hollow, can pass through the inside water injection of rotating shaft 11 to roller 12 this moment, export water through another second bucket water hole 1701, can reduce the inside heat of rotating shaft 11 and roller 12 through interior cold charge device 17, it is hot to rotate for a long time when antifriction bearing 5, can insert the water pipe in first bucket water hole 901, enter into the chamber 904 that deposits water of set casing 902 after the winding, and cool down bearing frame 6 and rotating shaft 11 through first hole for water spraying 903 and second hole for water spraying 905, cool down bearing frame 6 and rotating shaft 11 through outer cold charge device 9, the cooling water cooling effect is good, because of bearing frame 6 high accident rate reduction that causes the bearing locking and damage.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a roll table cooling device behind roughing mill which characterized in that: including bearing frame (6) and roller (12), the inside of bearing frame (6) is provided with antifriction bearing (5), all be provided with axis of rotation (11) on bearing frame (6), one of them axis of rotation (11) are inside to be hollow, the cover has roller (12) between axis of rotation (11), lie in on axis of rotation (11) and be provided with lock washer (14) with crossing department of one of them bearing frame (6), the hollow end movable mounting of axis of rotation (11) has interior cold charge (17), there is outer cold charge (9) through bolt fixed mounting on bearing frame (6) and axis of rotation (11), and outer cold charge (9) and bearing frame (6) and axis of rotation (11) registrate mutually.

2. The roughing mill back roller way cooling device according to claim 1, characterized in that: outer cold charge is put (9) and is included first bucket water hole (901), set casing (902), first hole for water spraying (903), deposit water cavity (904) and second hole for water spraying (905), set casing (902) are two mutual welded arc pieces, it deposits water cavity (904) to form one between set casing (902), the one end of set casing (902) is provided with first bucket water hole (901), and just first bucket water hole (901) are linked together with depositing water cavity (904), the inside of set casing (902) is located and is provided with first hole for water spraying (903) with bearing frame (6) corresponding position, the inside of first hole for water spraying (903) is located and is provided with second hole for water spraying (905) with axis of rotation (11) position of laminating mutually.

3. The roughing mill back roller way cooling device according to claim 1, characterized in that: the inner cooling device (17) comprises a second bucket water hole (1701), a rotating sleeve (1702), a connecting pipe (1703) and a water conveying pipe (1704), wherein the rotating sleeve (1702) is arranged at one end, located at the rotating shaft (11), of the middle of the rolling bearing (5), two second bucket water holes (1701) are formed in the rotating sleeve (1702), the second bucket water holes (1701) are respectively located at the tail end and the side face of the rotating sleeve (1702), the connecting pipe (1703) is sleeved on each second bucket water hole (1701), and the tail end of one connecting pipe (1703) is fixed with the water conveying pipe (1704) through a clamp.

4. The roughing mill back roller way cooling device according to claim 1, characterized in that: the bearing seat is characterized in that a first end cover (3) and a first gland (8) are arranged on two sides of the rolling bearing (5) on the bearing seat (6), an adjusting pad (4) is arranged at the joint of the first end cover (3), the first gland (8) and the bearing seat (6), and the first end cover (3) and the first gland (8) are fixed with the bearing seat (6) through fixing bolts (10).

5. The roughing mill back roller way cooling device according to claim 1, characterized in that: and a positioning sleeve (1) and a first shaft sealing ring (2) are arranged at the intersection of the inner part of the bearing seat (6) and the rotating shaft (11).

6. The roughing mill back roller way cooling device according to claim 1, characterized in that: and a positioning ring (7) is arranged at the joint of the bearing seat (6) and the rolling bearing (5).

7. The roughing mill back roller way cooling device according to claim 1, characterized in that: and a second gland (13), a transparent cover (15) and a second shaft sealing ring (16) are arranged at the other end of the rotating shaft (11) in the bearing seat (6).