CN216324181U

CN216324181U - BC backing roll suitable for ultra-thin strip mill

Info

Publication number: CN216324181U
Application number: CN202122576863.1U
Authority: CN
Inventors: 庄松鹤; 杨萍; 田宇朕; 吴汉荣
Original assignee: Wuhan Wusen Rolling Steel Complete Technology Co ltd
Current assignee: Wuhan Wusen Rolling Steel Complete Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-19
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a BC support roller suitable for an ultra-thin strip rolling mill, which comprises a shaft core, wherein the shaft core is sleeved with a plurality of uniformly distributed backing bearings, saddles are arranged on two sides of the shaft core, eccentric shafts extending to the outer sides of the saddles are arranged on two sides of the shaft core, protruding shafts are arranged on the sides, away from each other, of the two groups of eccentric shafts, the protruding shafts are sleeved with gear rollers matched with the protruding shafts, a disc is arranged on the surface of one end of each gear roller, and a first limiting ring is arranged on the surface of one end of each disc. The beneficial effects are that: the eccentric shaft, the convex shaft and the gear roller are arranged, so that the eccentric gear roller can be formed, the eccentric gear roller is positioned on two sides of the BC supporting roller, the pressing function of a roller system is completed when the racks are pressed at two ends to be lifted, the high-precision requirement is met when the two ends are pressed to be synchronously pressed, the structural precision is extremely high, and the requirements of rolling of the ultrathin strip on longitudinal tolerance and transverse tolerance are met.

Description

BC backing roll suitable for ultra-thin strip mill

Technical Field

The utility model relates to the technical field of belt mill accessories, in particular to a BC supporting roller suitable for an ultrathin belt mill.

Background

The rolling mill is equipment for finishing the whole process of rolled material production, and comprises an unreeling machine, a rolling system, a driving system, a hydraulic system, a control system, a roll dismounting device and the like. The rolling mill can be divided into two rollers, four rollers, six rollers, eight rollers, twelve rollers, eighteen rollers and the like according to the number of the rollers; meanwhile, the roller is divided into an L shape, a T shape, an F shape, a Z shape and an S shape according to the arrangement mode of the rollers. BC backing rolls are a common and important type of fitting for rolling mills.

The two ends of the existing BC supporting roller are pressed down with low synchronization precision, and the requirements of rolling of an ultrathin strip on longitudinal and transverse tolerances cannot be met; after the existing eccentric tooth roller is used for a long time, the abrasion of a gear on the existing eccentric tooth roller is large, the existing BC supporting roller is inconvenient to disassemble the eccentric tooth roller, and the limitation is low.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides a BC support roller suitable for an ultrathin strip mill, so as to overcome the technical problems in the prior related art.

Therefore, the utility model adopts the following specific technical scheme:

a BC support roller suitable for an ultra-thin strip mill comprises a shaft core, wherein a plurality of evenly distributed back lining bearings are sleeved on the shaft core, saddles are arranged on both sides of the shaft core, eccentric shafts extending to the outer sides of the saddles are arranged on both sides of the shaft core, protruding shafts are arranged on the sides of the two groups of eccentric shafts far away from each other, the convex shafts are sleeved with gear rollers matched with the convex shafts, the surface of one end of each gear roller is provided with a disc, a first limiting ring is arranged on the surface of one end of the disc, a second limiting ring is arranged on the surface of the toothed roller, the second limiting ring is sleeved outside the first limiting ring, a plurality of extruding mechanisms which are uniformly distributed are arranged between the second limiting ring and the first limiting ring, the disc is characterized in that a plurality of uniformly distributed connecting grooves are formed in the surface of one end of the disc, and a plurality of uniformly distributed connecting mechanisms are arranged on the surface of one end of the protruding shaft.

Preferably, the extrusion mechanism includes the separation blade, the both sides of separation blade all are equipped with the connecting rod, and two sets of the connecting rod respectively with spacing ring one with spacing ring two is connected, the separation blade bottom is equipped with recess one, be equipped with in the recess one rather than assorted extrusion piece, the top of extrusion piece is equipped with and runs through the outer threaded rod of separation blade, the top of threaded rod is equipped with the commentaries on classics lid.

Preferably, coupling mechanism includes the back shaft, the top of back shaft is equipped with rather than swing joint's movable block, one side of movable block is equipped with the telescopic link, the one end of telescopic link is equipped with the connection piece, the bottom of connection piece be equipped with spread groove assorted connecting block, the top of connecting block is equipped with and runs through the movable rod on connection piece top.

Preferably, the top end of the movable rod is provided with a limiting piece, the top end of the limiting piece is provided with a second groove, and the inner wall of the second groove is provided with a third groove.

Preferably, the two groups of saddles are provided with annular sliding grooves on the sides far away from each other, and the surface of one end of the toothed roller is provided with a third limiting ring matched with the annular sliding grooves.

Preferably, the top end of the first limiting ring is provided with a plurality of uniformly distributed grooves IV.

Preferably, the first limiting ring and the second limiting ring are movably connected with the disc.

The utility model has the beneficial effects that: the eccentric shaft, the convex shaft and the gear roller are arranged to form the eccentric gear roller which is positioned at two sides of the BC supporting roller, the screw-down function of a roller system is completed when the racks are pressed down and lifted at two ends, the high-precision requirement is met by forcing the screw-down of the two ends to be synchronous by adopting a mechanical mode, the structural precision is extremely high, and the requirements of rolling of the ultrathin strip on longitudinal and transverse tolerances are met; the protruding axle can with the fluted roller initial junction, through setting up coupling mechanism, can make protruding axle and fluted roller further be connected, sets up pressing means simultaneously between spacing ring one and spacing ring two, through pressing down coupling mechanism, makes the final fixed connection of fluted roller and protruding axle, and the installation is convenient installation back stability height, avoids appearing rocking the phenomenon, the wearing and tearing between effectual reduction fluted roller and the rack.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a BC backup roll for an ultra-thin strip mill according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a toothed roll of BC backup rolls suitable for an ultra-thin strip mill according to an embodiment of the utility model;

FIG. 3 is an enlarged schematic view of A of a BC backup roll for an ultra-thin strip mill according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a protruding shaft in a BC backup roll suitable for an ultra-thin strip rolling mill according to an embodiment of the present invention.

In the figure:

1. a shaft core; 2. a backing bearing; 3. a saddle; 4. an eccentric shaft; 5. a protruding shaft; 6. a toothed roller; 7. a first limiting ring; 8. a second limiting ring; 9. a disc; 10. connecting grooves; 11. a baffle plate; 12. a connecting rod; 13. rotating the cover; 14. a movable block; 15. a telescopic rod; 16. connecting sheets; 17. a movable rod; 18. a third limiting ring; 19. and a groove IV.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a BC backup roll suitable for an ultra-thin strip mill is provided.

The first embodiment;

as shown in fig. 1-4, the BC support roll suitable for the ultra-thin strip rolling mill according to the embodiment of the utility model comprises a shaft core 1, wherein the shaft core 1 is sleeved with a plurality of uniformly distributed backing bearings 2, two sides of the shaft core 1 are respectively provided with a saddle 3, two sides of the shaft core 1 are respectively provided with an eccentric shaft 4 extending to the outer side of the saddle 3, two groups of eccentric shafts 4 are respectively provided with a convex shaft 5 at the side far away from each other, the convex shafts 5 are respectively sleeved with a gear roller 6 matched with the convex shafts, one end surface of the gear roller 6 is provided with a disc 9, one end surface of the disc 9 is provided with a first limiting ring 7, the surface of the gear roller 6 is provided with a second limiting ring 8, the second limiting ring 8 is sleeved on the outer side of the first limiting ring 7, a plurality of uniformly distributed squeezing mechanisms are arranged between the second limiting ring 8 and the first limiting ring 7, one end surface of the disc 9 is provided with a plurality of uniformly distributed connecting grooves 10, and a plurality of uniformly distributed connecting mechanisms are arranged on the surface of one end of the convex shaft 5.

Example two;

as shown in fig. 1-4, the BC support roll suitable for the ultra-thin strip rolling mill according to the embodiment of the utility model comprises a shaft core 1, wherein the shaft core 1 is sleeved with a plurality of uniformly distributed backing bearings 2, two sides of the shaft core 1 are respectively provided with a saddle 3, two sides of the shaft core 1 are respectively provided with an eccentric shaft 4 extending to the outer side of the saddle 3, two groups of eccentric shafts 4 are respectively provided with a convex shaft 5 at the side far away from each other, the convex shafts 5 are respectively sleeved with a gear roller 6 matched with the convex shafts, one end surface of the gear roller 6 is provided with a disc 9, one end surface of the disc 9 is provided with a first limiting ring 7, the surface of the gear roller 6 is provided with a second limiting ring 8, the second limiting ring 8 is sleeved on the outer side of the first limiting ring 7, a plurality of uniformly distributed squeezing mechanisms are arranged between the second limiting ring 8 and the first limiting ring 7, one end surface of the disc 9 is provided with a plurality of uniformly distributed connecting grooves 10, the surface of one end of the protruding shaft 5 is provided with a plurality of connecting mechanisms which are uniformly distributed, each extruding mechanism comprises a separation blade 11, two sides of each separation blade 11 are provided with connecting rods 12, two groups of connecting rods 12 are respectively connected with a first limiting ring 7 and a second limiting ring 8, the bottom end of each separation blade 11 is provided with a first groove, each first groove is internally provided with an extruding sheet matched with the first groove, the top end of each extruding sheet is provided with a threaded rod penetrating through the outside of the separation blade 11, the top end of each threaded rod is provided with a rotary cover 13, after the connecting block is accurately connected with the connecting groove 10, each extruding sheet is moved to the positive top end of the connecting block, the connecting block is guaranteed to be tightly connected with the connecting groove 10 by moving the connecting block, the effect of mounting the toothed roller 6 is achieved, each connecting mechanism comprises a supporting shaft, the top end of the supporting shaft is provided with a movable block 14 movably connected with the supporting shaft, and one side of each movable block 14 is provided with a telescopic rod 15, one end of telescopic link 15 is equipped with connection piece 16, the bottom of connection piece 16 be equipped with spread groove 10 assorted connecting block, the top of connecting block is equipped with and runs through the movable rod 17 on 16 tops of connection piece can make the extrusion of a plurality of connecting blocks corresponding and a plurality of spread groove 10 accurate connections, the extrusion of the extrusion mechanism of being convenient for, the top of movable rod 17 is equipped with spacing piece, the top of spacing piece is equipped with recess two, the inner wall of recess two is equipped with recess three, and the extrusion of the extrusion piece of being convenient for, and can prevent that movable rod 17 from breaking away from connection piece 16, sets up recess two and recess three, and the staff of not only being convenient for stimulates movable rod 17, and recess two is connected with the extrusion piece simultaneously, can improve the fastness and the stability of spacing ring one 7 and spacing ring two 8.

Example three;

as shown in fig. 1-4, the BC support roll suitable for the ultra-thin strip rolling mill according to the embodiment of the utility model comprises a shaft core 1, wherein the shaft core 1 is sleeved with a plurality of uniformly distributed backing bearings 2, two sides of the shaft core 1 are respectively provided with a saddle 3, two sides of the shaft core 1 are respectively provided with an eccentric shaft 4 extending to the outer side of the saddle 3, two groups of eccentric shafts 4 are respectively provided with a convex shaft 5 at the side far away from each other, the convex shafts 5 are respectively sleeved with a gear roller 6 matched with the convex shafts, one end surface of the gear roller 6 is provided with a disc 9, one end surface of the disc 9 is provided with a first limiting ring 7, the surface of the gear roller 6 is provided with a second limiting ring 8, the second limiting ring 8 is sleeved on the outer side of the first limiting ring 7, a plurality of uniformly distributed squeezing mechanisms are arranged between the second limiting ring 8 and the first limiting ring 7, one end surface of the disc 9 is provided with a plurality of uniformly distributed connecting grooves 10, the one end surface of protruding axle 5 is equipped with a plurality of evenly distributed's coupling mechanism, and is two sets of one side that saddle 3 kept away from each other all is equipped with annular chute, the one end surface of fluted roller 6 be equipped with three 18 of annular chute assorted spacing ring, reduce protruding axle 5's pressure, and improve fluted roller 6 pivoted stability, the top of spacing ring 7 is equipped with a plurality of evenly distributed's recess four 19, the tensile of the telescopic link 15 of being convenient for makes connection piece 16 be located the positive top of spread groove 10 to be convenient for be connected of connecting block and spread groove 10, spacing ring 7 with spacing ring two 8 all with disc 9 swing joint can drive coupling mechanism and be circular motion, and make coupling mechanism remove the positive top of spread groove 10.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the eccentric shaft 4, the convex shaft 5 and the toothed roller 6 can form eccentric toothed rollers which are positioned at two sides of the BC supporting roller, the pressing function of a roller system is completed when the racks are pressed at two ends and lifted, the pressing at two ends is forced to be synchronous to the high-precision requirement by adopting a mechanical mode, the structural precision is extremely high, and the requirements of rolling of an extremely thin belt on longitudinal and transverse tolerances are met; when the gear roller 6 is installed, the gear roller 6 is sleeved on the convex shaft 5, the movable block 14 is rotated and the position of the connecting piece 16 is adjusted, the movable rod 17 is pulled upwards, the telescopic rod 15 is stretched, the connecting block at the bottom end of the connecting piece 16 is overlapped with the connecting groove 10, the movable rod 17 is released, the connecting block is moved downwards under the action of gravity to be tightly connected with the connecting groove 10, the first limiting ring 7 and the second limiting ring 8 are rotated simultaneously, the blocking piece 11 performs circular motion and moves right above the movable rod 17, the rotating cover 13 is rotated to drive the extrusion piece to rotate and vertically move downwards, and the limiting piece at the top end of the movable rod 17 is extruded, so that the effect of installing the gear roller 6 is achieved (the extrusion piece is connected with the second groove in a matched mode, the extrusion piece and the second groove are circular mechanisms, the first limiting ring 7 and the second limiting ring 8 can be prevented from arbitrarily shaking, and the stability and firmness of the extrusion piece are improved).

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The BC support roll suitable for the ultrathin strip rolling mill is characterized by comprising a shaft core (1), wherein a plurality of evenly distributed backing bearings (2) are sleeved on the shaft core (1), saddles (3) are arranged on two sides of the shaft core (1), eccentric shafts (4) extending to the outer sides of the saddles (3) are arranged on two sides of the shaft core (1), protruding shafts (5) are arranged on one sides, far away from each other, of the two groups of eccentric shafts (4), gear rolls (6) matched with the protruding shafts are sleeved on the protruding shafts (5), a disc (9) is arranged on the surface of one end of each gear roll (6), a first limiting ring (7) is arranged on the surface of one end of each disc (9), a second limiting ring (8) is arranged on the surface of each gear roll (6), the second limiting ring (8) is sleeved on the outer side of the first limiting ring (7), and a plurality of extruding mechanisms evenly distributed between the second limiting ring (8) and the first limiting ring (7), the disc-type connecting device is characterized in that a plurality of uniformly distributed connecting grooves (10) are formed in the surface of one end of the disc (9), and a plurality of uniformly distributed connecting mechanisms are arranged on the surface of one end of the protruding shaft (5).

2. The BC backup roll suitable for an ultra-thin strip mill according to claim 1, wherein the extrusion mechanism comprises a baffle plate (11), connecting rods (12) are arranged on both sides of the baffle plate (11), two groups of the connecting rods (12) are respectively connected with the first limiting ring (7) and the second limiting ring (8), a first groove is arranged at the bottom end of the baffle plate (11), an extrusion sheet matched with the first groove is arranged in the first groove, a threaded rod penetrating through the baffle plate (11) is arranged at the top end of the extrusion sheet, and a rotary cover (13) is arranged at the top end of the threaded rod.

3. The BC support roll for the ultra-thin strip mill as claimed in claim 1, wherein the connecting mechanism comprises a support shaft, the top end of the support shaft is provided with a movable block (14) movably connected with the support shaft, one side of the movable block (14) is provided with a telescopic rod (15), one end of the telescopic rod (15) is provided with a connecting piece (16), the bottom end of the connecting piece (16) is provided with a connecting block matched with the connecting groove (10), and the top end of the connecting block is provided with a movable rod (17) penetrating through the top end of the connecting piece (16).

4. The BC backup roll for the ultra-thin strip mill according to claim 3, characterized in that the top end of the movable rod (17) is provided with a limiting piece, the top end of the limiting piece is provided with a second groove, and the inner wall of the second groove is provided with a third groove.

5. BC support roller for very thin strip mills according to claim 1, characterized in that the two groups of saddles (3) are provided with an annular groove on the side away from each other, and the toothed roller (6) is provided with a third limit ring (18) on its end surface, which matches said annular groove.

6. BC backup roll for very thin strip mills according to claim 1, characterized in that the top end of the first retaining ring (7) is provided with a plurality of evenly distributed grooves four (19).

7. BC backup roll for very thin strip mills according to claim 1, characterized in that both the first (7) and the second (8) retaining rings are movably connected to the disc (9).