CN214441867U

CN214441867U - Roughing mill frame roller way assembly

Info

Publication number: CN214441867U
Application number: CN202023202387.9U
Authority: CN
Inventors: 李树伟; 夏卫兵; 周家春; 杜林�; 董兴华; 何新泽
Original assignee: Jiangyin Yiyuan Equipment Installation Co ltd
Current assignee: Jiangyin Yiyuan Equipment Installation Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-10-22
Anticipated expiration: 2030-12-26

Abstract

The utility model belongs to the technical field of the rolling mill and specifically relates to a roughing mill frame roll table subassembly is related to, it includes the organism and sets up the frame roller on the organism, the frame roller is equipped with a plurality ofly along organism length direction, be equipped with on the organism and bear the axle, bear axle length direction's both ends and organism fixed connection, the frame roller with bear the coaxial setting of axle, set up the through-hole coaxial with self on the frame roller, the frame roller shell is established on bearing the axle, the both ends of frame roller length direction are equipped with the mounting groove of installation bearing, bear epaxial cover and establish the bearing, the bearing is located the mounting groove, the outer lane and the mounting groove conflict of bearing. The roller way assembly has the effect of reducing the damage possibility of the frame roller way assembly of the roughing mill.

Description

Roughing mill frame roller way assembly

Technical Field

The application relates to the field of rolling mills, in particular to a roughing mill frame roller way assembly.

Background

Roughing mills are machines for rolling steel. The frame roller way assembly is a key component of the roughing mill.

In the related art, referring to fig. 1, a conventional roughing mill frame roller way assembly includes a machine body 1, a plurality of frame rollers 2 are disposed on the machine body 1, and bearings 3 are sleeved at two ends of the frame rollers 2 in the length direction and rotatably connected to the machine body 1.

Because the thickness of the machine body is narrow, only narrow bearings can be selected at two ends of the rack roller, but in the actual use process, when a workpiece is placed on the rack roller, the impact is large, and after the machine is used for a period of time, the bearings are easy to damage.

In view of the above-mentioned related technologies, the inventor believes that, in the production process, the roller way assembly of the frame of the roughing mill is easily damaged, needs to be frequently maintained, and has a large influence on the production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to reduce the likelihood of damage to the roughing stand roller assembly, the present application provides a roughing stand roller assembly.

The application provides a roughing mill frame roller way subassembly adopts following technical scheme:

the utility model provides a roughing mill frame roller way subassembly, includes the organism and sets up the frame roller on the organism, the frame roller is equipped with a plurality ofly along organism length direction, be equipped with on the organism and bear the axle, bear axle length direction's both ends and organism fixed connection, the frame roller with bear the coaxial setting of axle, set up the through-hole coaxial with self on the frame roller, the frame roller shell is established and is born epaxially at the bearing, the both ends of frame roller length direction are equipped with the mounting groove of installation bearing, bear epaxial cover and establish the bearing, the bearing is located the mounting groove, the outer lane and the mounting groove of bearing are contradicted.

Through adopting above-mentioned technical scheme, receive the impact force of work piece effect on the stand roller through bearing the bearing, reduce the impact to the bearing, reduce the size restriction to the bearing simultaneously, can cooperate the bearing that use intensity is higher, promote the reliability of frame roller assembly work jointly, reach and reduce the possibility that roughing mill frame roller assembly work damaged.

Optionally, a plurality of bearings are arranged at two ends of the machine frame roller in the length direction.

Through adopting above-mentioned technical scheme, a plurality of bearings support the frame roller jointly, promote the impact resistance ability of frame roller way subassembly, prolong the life of frame roller way subassembly.

Optionally, both ends of the bearing shaft in the length direction are provided with supporting pieces, each supporting piece comprises a sleeve sleeved at the end of the bearing shaft and a connecting plate arranged at one end, close to the machine body, of the sleeve, a bolt is arranged on the connecting plate, and the bolt penetrates through the connecting plate to be in threaded connection with the machine body.

By adopting the technical scheme, the connection strength of the two ends of the bearing shaft is enhanced, the bearing capacity of the bearing shaft is improved, and the possibility of damage of the roller way assembly of the frame is reduced.

Optionally, a plurality of rib plates are arranged between the sleeve and the connecting plate along the circumferential direction of the sleeve.

Through adopting above-mentioned technical scheme, the floor strengthens the joint strength between sleeve and the connecting plate, promotes support piece's supporting effect.

Optionally, the surface of the frame roller is provided with a buffer layer.

Through adopting above-mentioned technical scheme, reduce the impact to the frame roller when the work piece is put on the frame roller, promote the life of frame roller way subassembly.

Optionally, a gap is reserved between the frame roller and the bearing shaft, and a lubricating medium is arranged between the frame roller and the bearing shaft.

Through adopting above-mentioned technical scheme, utilize lubricating medium to fill the clearance between frame roller and the bearing axle, make the frame roller rotate more steadily, still play the guard action to bearing the axle simultaneously, reduce and bear the rusty possibility of axle.

Optionally, the both ends of frame roller length direction are equipped with the protective cover plate sealed to the mounting groove, protective cover plate cover is established on bearing the weight of epaxially, protective cover plate and the laminating of frame roller.

Through adopting above-mentioned technical scheme, the apron seals the mounting groove, reduces the inside possibility that gets into impurity of bearing, protects the life who promotes the bearing to the bearing.

Optionally, the protective cover plate is provided with a locking screw, and the locking screw penetrates through the protective cover plate to be in threaded connection with the frame roller.

Through adopting above-mentioned technical scheme, screw up locking screw, fix the protection apron, reduce the possibility that the protection apron breaks away from the frame roller.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the bearing shaft, the bearing is subjected to the impact force of a workpiece on the frame roller, so that the impact on the bearing is reduced, and meanwhile, the bearing with higher strength is used in a matched manner, so that the effect of reducing the possibility of the damage of the work of the frame roller way assembly of the roughing mill is achieved;

2. through setting up support piece, strengthen the joint strength who bears the weight of axle both ends, promote the bearing capacity who bears the weight of axle, reach the effect that further promotes frame roller way subassembly reliability.

Drawings

Fig. 1 is a schematic structural diagram of a roughing stand roller way assembly in the background art.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a sectional view of the entire structure in the embodiment of the present application.

Description of reference numerals: 1. a body; 11. a load bearing shaft; 2. a frame roller; 21. a through hole; 22. mounting grooves; 23. a buffer layer; 3. a bearing; 4. a support member; 41. a sleeve; 42. a connecting plate; 43. a bolt; 44. a rib plate; 51. a protective cover plate; 52. and locking the screw.

Detailed Description

The present application is described in further detail below with reference to figures 2-3.

The embodiment of the application discloses a roughing mill frame roller way assembly. Referring to fig. 2 and 3, a roughing mill frame roller way assembly includes a machine body 1 and a frame roller 2, the frame roller 2 is disposed on the machine body 1, and the frame roller 2 is disposed along a length direction of the machine body 1. The bearing shaft 11 is arranged on the machine body 1, two ends of the bearing shaft 11 in the axial direction are fixedly connected with the machine body 1, the rack roller 2 and the bearing shaft 11 are coaxially arranged, the rack roller 2 is provided with a circular through hole 21, the through hole 21 and the rack roller 2 are coaxially arranged, and the rack roller 2 is sleeved on the bearing shaft 11. Two ends of the frame roller 2 in the axial direction are provided with bearings 3, and the bearings 3 are sleeved on the bearing shaft 11.

Referring to fig. 3, the bearing shaft 11 bears the impact force of the workpiece on the rack roller 2, so that the load of the bearing 3 is reduced, the service life of the rack roller way assembly is prolonged, and the possibility of damage to the rack roller way assembly is reduced.

Referring to fig. 3, set up mounting groove 22 at the both ends of frame roller 2 axis direction, the diameter of mounting groove 22 is greater than the diameter of through-hole 21, and bearing 3 is located mounting groove 22, and bearing 3's outer lane closely contradicts with the lateral wall of mounting groove 22, and bearing 3 is equipped with a plurality ofly along frame roller 2 length direction, and this embodiment uses two as an example, bears frame roller 2's impact through a plurality of bearings 3, reduces the possibility that bearing 3 damaged, promotes frame roller 2's shock resistance.

Referring to fig. 2 and 3, in order to further improve the bearing capacity of the bearing shaft 11, two supporting members 4 are symmetrically arranged at two ends of the bearing shaft 11 in the length direction with respect to the center of the bearing shaft 11 in the axial direction, each supporting member 4 includes a sleeve 41 and a connecting plate 42, the sleeve 41 is sleeved at the end of the bearing shaft 11, the inner side wall of the sleeve 41 abuts against the outer side wall of the bearing shaft 11, and the connecting plate 42 is fixedly connected with one end of the sleeve 41 close to the machine body 1.

Referring to fig. 2, the connecting plate 42 is circular, a plurality of bolts 43 are provided on the connecting plate 42 along the circumferential direction of the connecting plate 42, and the bolts 43 are tightened so that the bolts 43 pass through the connecting plate 42 and are screwed with the machine body 1. The connecting strength of the connecting part of the bearing shaft 11 and the machine body 1 is strengthened by the supporting piece 4.

Referring to fig. 2, a rib plate 44 is arranged between the sleeve 41 and the connecting plate 42, the rib plate 44 is a right triangle, one right-angle side of the rib plate 44 is fixedly connected with the sleeve 41, the other right-angle side of the rib plate 44 is fixedly connected with the connecting plate 42, the bearing strength of the support member 4 is enhanced through the rib plate 44, and the possibility of damage to the support member 4 is reduced. The ribs 44 are provided in plural in the circumferential direction of the sleeve 41.

Referring to fig. 3, since the frame rolls 2 are generally cast, and the impact generated when the work is placed on the frame rolls 2 and contacts the frame rolls 2 is large, the cushion layers 23 are provided on the surfaces of the frame rolls 2, and the cushion layers 23 are made of rubber, so that the impact between the work and the frame rolls 2 is absorbed, and the impact force applied to the frame rolls 2 is reduced.

Referring to fig. 3, the diameter of the through hole 21 is larger than the diameter of the bearing shaft 11, a gap is left between the frame roller 2 and the bearing shaft 11, and a lubricating medium is arranged in the gap between the frame roller 2 and the bearing shaft 11, the lubricating medium is grease, the frame roller 2 rotates more smoothly and more stably through the grease, and the bearing shaft 11 is rustproof.

Referring to fig. 2 and 3, protective cover plates 51 are arranged at two ends of the length direction of the frame roller 2, the protective cover plates 51 are sleeved on the bearing shaft 11, one side of each protective cover plate 51, which is close to the frame roller 2, is attached to the frame roller 2, the mounting groove 22 is protected in a sealing mode through the protective cover plates 51, and the possibility that impurities entering the mounting groove 22 affect the service life of the bearing 3 is reduced.

Referring to fig. 2, a plurality of locking screws 52 are arranged on the protective cover 51, and the locking screws 52 are arranged along the circumferential direction of the protective cover 51, and the locking screws 52 are tightened to enable the locking screws 52 to penetrate through the protective cover 51 to be in threaded connection with the frame roller 2, so that the possibility that the protective cover 51 is separated from the frame roller 2 is reduced.

The implementation principle of a roughing mill frame roller way assembly in the embodiment of the application is as follows: be equipped with on organism 1 and bear axle 11, all install frame roller 2 and a plurality of bearing 3 on bearing axle 11, bear the impact force of placing the work piece simultaneously through bearing axle 11, bearing axle 11 both ends still have and carry out the support piece 4 that supports bearing axle 11, reduce the possibility that frame roller way subassembly damaged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a roughing mill frame roller way subassembly, includes organism (1) and stand roller (2) of setting on organism (1), stand roller (2) are equipped with a plurality ofly along organism (1) length direction, its characterized in that: be equipped with on organism (1) and bear axle (11), bear axle (11) length direction's both ends and organism (1) fixed connection, frame roller (2) and bear the coaxial setting of axle (11), set up on frame roller (2) with self coaxial through-hole (21), frame roller (2) cover is established on bearing axle (11), frame roller (2) length direction's both ends are equipped with mounting groove (22) of installation bearing (3), bear the cover on axle (11) and establish bearing (3), bearing (3) are located mounting groove (22), the outer lane and mounting groove (22) of bearing (3) are contradicted.

2. The roughing mill stand roller way assembly of claim 1, wherein: both ends of the length direction of the frame roller (2) are provided with a plurality of bearings (3).

3. The roughing mill stand roller way assembly of claim 1, wherein: bear axle (11) length direction's both ends and all be equipped with support piece (4), support piece (4) including the cover establish bear axle (11) tip sleeve (41), set up at sleeve (41) connecting plate (42) that are close to organism (1) one end, be equipped with bolt (43) on connecting plate (42), bolt (43) pass connecting plate (42) and organism (1) threaded connection.

4. The roughing mill stand roller way assembly of claim 3, wherein: a plurality of rib plates (44) are arranged between the sleeve (41) and the connecting plate (42), and the rib plates (44) are arranged along the circumferential direction of the sleeve (41).

5. The roughing mill stand roller way assembly of claim 1, wherein: and a buffer layer (23) is arranged on the surface of the frame roller (2).

6. The roughing mill stand roller way assembly of claim 1, wherein: a gap is reserved between the rack roller (2) and the bearing shaft (11), and a lubricating medium is arranged between the rack roller (2) and the bearing shaft (11).

7. The roughing mill stand roller way assembly of claim 1, wherein: frame roller (2) length direction's both ends are equipped with protective cover board (51) sealed to mounting groove (22), protective cover board (51) cover is established on bearing axle (11), protective cover board (51) and frame roller (2) laminating.

8. The roughing mill stand roller way assembly of claim 7, wherein: and the protective cover plate (51) is provided with a locking screw (52), and the locking screw (52) penetrates through the protective cover plate (51) to be in threaded connection with the frame roller (2).