CN215430825U

CN215430825U - Modular finishing mill

Info

Publication number: CN215430825U
Application number: CN202121105060.1U
Authority: CN
Inventors: 林炳生; 董增润
Original assignee: Yunnan Qu Jing Cheng Gang Iron And Steel Group Co ltd
Current assignee: Yunnan Qu Jing Cheng Gang Iron And Steel Group Co ltd
Priority date: 2021-05-22
Filing date: 2021-05-22
Publication date: 2022-01-07
Anticipated expiration: 2031-05-22

Abstract

The utility model discloses a modular finishing mill, which comprises a cone box and two roller boxes arranged in the cone box, wherein the two roller boxes are mutually independent, two mutually independent transmission systems are arranged in the cone box, two driving mechanisms with the same structure are arranged on the outer side of the cone box, each driving mechanism comprises a motor and a gear box, an input shaft, a transmission shaft and an output shaft are arranged in the gear boxes in parallel, a first clutch, a first idler gear and a second idler gear are arranged on the input shaft, a second clutch, a third idler gear and a fourth idler gear are arranged on the output shaft, a first fixed gear and a second fixed gear are sequentially arranged on the transmission shaft, the input end of the input shaft is connected with the motor through a first coupler, and the output end of the output shaft is connected with the input shaft end of one of the transmission systems through a second coupler. In conclusion, the process has the advantages of strong adaptability, energy conservation, low operation cost and obvious economic and social values.

Description

Modular finishing mill

Technical Field

The utility model relates to the technical field of metallurgical rolling equipment, in particular to a modular finishing mill.

Background

The traditional finishing mill is generally composed of a conical box and a roller box, the speed ratio between the finishing mills of all the stands is mainly realized by a mechanical transmission system, namely, the fixed transmission ratio of mechanical gear transmission is adopted to ensure that the rotating speed between the finishing mills of all the stands strictly accords with the design parameters and keeps stable. Because the high-speed bar and wire rolling process needs to accurately configure the rotating speed of each stand finishing mill and keep high speed precision, and simultaneously needs different rotating speeds of each stand finishing mill, the transmission ratio of the cone boxes of the finishing mills of the same type is different, namely the cone boxes of almost each stand finishing mill are different, on one hand, after a certain process arrangement form is selected, the finishing mill group basically cannot adjust the process arrangement, when certain finishing mills need to be emptied due to different produced product specifications, the finishing mills still need to run at high speed, only roller rings are not installed, rolling is not carried out, thus wasting energy and reducing the service life of equipment, on the other hand, the diversified cone box structures increase the complexity and maintenance difficulty of the finishing mill group, improve the production cost and the maintenance cost, and have more varieties of parts of each production line equipment, meanwhile, the whole production line is lack of flexibility, unstable in operation and high in production organization difficulty, so that the whole production line is difficult to adapt to market requirements. Therefore, it is objectively needed to develop a modular finishing mill with strong process adaptability, energy conservation and low operation cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a modular finishing mill which has strong process adaptability, energy conservation and low operation cost.

The utility model aims to realize the purpose, which comprises a cone box and two roller boxes arranged in the cone box, wherein the two roller boxes are mutually independent, two mutually independent transmission systems are arranged in the cone box and respectively drive the two roller boxes, two driving mechanisms with the same structure are arranged on the outer side of the cone box, each driving mechanism comprises a motor and a gear box, an input shaft, a transmission shaft and an output shaft are arranged in the gear box in parallel, the input shaft is positioned above the transmission shaft, the shaft axis of the input shaft and the shaft axis of the transmission shaft are positioned in the same vertical plane, the output shaft is positioned on one side of the transmission shaft, the shaft axis of the output shaft and the shaft axis of the transmission shaft are positioned in the same horizontal plane, a first clutch is arranged in the middle of the input shaft, first hollow gears and second hollow gears with different sizes are respectively arranged on the input shafts on the two sides of the first clutch, and the first hollow gears and the second hollow gears are both coupled with the first clutch, the middle part of the output shaft is provided with a second clutch, the output shafts on two sides of the second clutch are respectively provided with a third idle gear and a fourth idle gear which are different in size, the third idle gear and the fourth idle gear are both coupled with the second clutch, a first fixed gear and a second fixed gear are sequentially arranged on the transmission shaft, the first fixed gear is respectively meshed with the first idle gear and the third idle gear, the second fixed gear is respectively meshed with the second idle gear and the fourth idle gear, the input end of the input shaft is connected with the motor through a first coupler, and the output end of the output shaft is connected with the input shaft end of one of the transmission systems through a second coupler.

Furthermore, the gear boxes of the two driving mechanisms are of an integrated structure.

Furthermore, the motors of the two driving mechanisms are positioned at the same height and are integrally installed in the same case.

Furthermore, the end of an output shaft of the motor is connected with a connecting shaft through a third coupler, the end of the connecting shaft penetrates through the case and then is connected with the first coupler, a third fixed gear is arranged on the connecting shaft, a track is arranged at the bottom of the case below the two third fixed gears, the length direction of the track is parallel to the length direction of the connecting shaft, a shelf is connected onto the track in a sliding manner, a rotating shaft is arranged on the shelf through a bearing seat, a driving wheel is arranged on the rotating shaft and is respectively meshed with the two third fixed gears, and a driving device for driving the shelf to slide on the track is arranged at the bottom in the case.

Further, the driving device is a cylinder.

The utility model has the beneficial effects that:

1. the two transmission systems in the modularized independent conical box are respectively connected with the two roller boxes in the conical box and respectively drive the two transmission systems through the two independent driving mechanisms, so that the flexible adjustment of the speed of the rolling mill is realized, the rolling process and the flexibility are effectively improved, meanwhile, the two roller boxes in the unified rolling mill are respectively driven through the two motors, and the motors with smaller power can be adopted, so that the rolling mill runs more stably, and the replacement and the maintenance are simpler and more convenient.

2. Because the two roller boxes in each conical box are driven by the independent motors, the machine can be stopped when no load occurs, so that no-load power consumption is eliminated, energy is saved, and production cost is reduced.

3. Two sets of gear sets with different speed ratios are arranged in the gear box of each driving mechanism, and under the condition of the same motor parameter, the rolling mill has wider rolling capability, can meet the requirements of rolling speed and torque of different specifications, and improves the process adaptability of the rolling mill.

In conclusion, the process has the advantages of strong adaptability, energy conservation, low operation cost and obvious economic and social values.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a front view schematically showing the structure of a gear case 4 according to the present invention;

FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;

in the figure: 1-a conical box, 2-a roller box, 3-a motor, 4-a gear box, 5-an input shaft, 6-a transmission shaft, 7-an output shaft, 8-a first clutch, 9-a first idler gear, 10-a second idler gear, 11-a second clutch, 12-a third idler gear, 13-a fourth idler gear, 14-a first fixed gear, 15-a second fixed gear, 16-a first coupling, 17-a second coupling, 18-a chassis, 19-a third coupling, 20-a connecting shaft, 21-a third fixed gear, 22-a track, 23-a rack, 24-a bearing seat, 25-a rotating shaft, 26-a transmission wheel and 27-a driving device.

Detailed Description

The present invention is further described with reference to the drawings, but the present invention is not limited thereto in any way, and any modification or improvement based on the present invention is within the protection scope of the present invention.

As shown in figures 1-4, the utility model comprises a cone box 1 and two roller boxes 2 arranged in the cone box 1, wherein the two roller boxes 2 are independent from each other, two independent transmission systems are arranged in the cone box 1, the two transmission systems respectively drive the two roller boxes 2, two driving mechanisms with the same structure are arranged at the outer side of the cone box 1, each driving mechanism comprises a motor 3 and a gear box 4, an input shaft 5, a transmission shaft 6 and an output shaft 7 are arranged in the gear box 4 in parallel, the input shaft 5 is positioned above the transmission shaft 6, the axial lead of the input shaft 5 and the axial lead of the transmission shaft 6 are positioned in the same vertical plane, the output shaft 7 is positioned at one side of the transmission shaft 6, the axial lead of the output shaft 7 and the axial lead of the transmission shaft 6 are positioned in the same horizontal plane, a first clutch 8 is arranged at the middle part of the input shaft 5, a first idler gear 9 and a second idler gear 10 which are different in size are respectively arranged on the input shaft 5 at the two sides of the first clutch 8, the first idler gear 9 and the second idler gear 10 are both coupled with the first clutch 8, the middle part of the output shaft 7 is provided with a second clutch 11, the output shafts 7 on two sides of the second clutch 11 are respectively provided with a third idler gear 12 and a fourth idler gear 13 with different sizes, the third idler gear 12 and the fourth idler gear 13 are both coupled with the second clutch 11, the transmission shaft 6 is sequentially provided with a first fixed gear 14 and a second fixed gear 15, the first fixed gear 14 is respectively meshed with the first idler gear 9 and the third idler gear 12, the second fixed gear 15 is respectively meshed with the second idler gear 10 and the fourth idler gear 13, the input end of the input shaft 5 is connected with the motor 3 through a first coupler 16, the output end of the output shaft 7 is connected with the input end of one of the transmission systems through a second coupler 17, because the two roller boxes 2 in each conical roller box 1 are driven by the independent motor 3, therefore, the machine can be stopped when no load exists, so that no load power consumption is eliminated, energy is saved, and production cost is reduced.

The two gear sets in the gearbox 4 have different speed ratios, and the specific adjustment method is as follows: the first clutch 8 on the input shaft 5 moves to one side of the first idler gear 9 and is coupled with the first idler gear 9, so that the first idler gear 9 and the input shaft 5 synchronously rotate to transmit power, the second idler gear 9 freely rotates on the input shaft 5 and does not transmit power, meanwhile, the second clutch 11 on the input shaft 7 moves to one side of the third idler gear 12 and is coupled with the third idler gear 12, so that the third idler gear 9 and the output shaft 7 synchronously rotate to transmit power, at this time, the power of the motor 3 is transmitted to the first fixed gear 14 through the first idler gear 9 on the input shaft 5, then is transmitted to the third idler gear 12 from the first fixed gear 14, and finally is transmitted out from the output shaft 7, so that the output of a group of speed ratios is realized; on the contrary, the power of the motor 3 is transmitted to the second fixed gear 15 through the second idler gear 10 on the input shaft 5, then transmitted to the fourth idler gear 13 from the second fixed gear 15, and finally transmitted out from the output shaft 7, so that the output of another group of speed ratios is realized, and then the speed of the motor 3 is adjusted, so that the flexible adjustment of the speed of the rolling mill is realized, and the flexibility of the rolling process is effectively improved. Meanwhile, two motor 3 respectively drive two roller boxes 2 in the same rolling mill, and the motor 3 with lower power can be adopted, so that the rolling mill runs more stably, and the replacement and maintenance are simpler and more convenient.

In order to save the space of a factory building and facilitate the management and maintenance, the gear boxes 4 of the two driving mechanisms are of an integrated structure, and the motors 3 of the two driving mechanisms are positioned at the same height and are integrally installed in the same case 18.

The end of the output shaft of the motor 3 is connected with a connecting shaft 20 through a third coupling 19, the end of the connecting shaft 20 passes through the chassis 18 and then is connected with a first coupling 16, a third fixed gear 21 is arranged on the connecting shaft 20, a rail 22 is arranged at the bottom of the chassis 18 below the two third fixed gears 21, the length direction of the rail 22 is parallel to the length direction of the connecting shaft 20, a frame 23 is connected on the rail 22 in a sliding way, a rotating shaft 25 is arranged on the frame 23 through a bearing seat 24, a driving wheel 26 is arranged on the rotating shaft 25, the driving wheel 26 is respectively engaged with the two third fixed gears 21, a driving device 27 for driving the frame 23 to slide on the rail 22 is arranged at the bottom in the chassis 18, preferably, the driving device 27 is a cylinder, two roller boxes 2 are arranged in the same cone box 1, the two roller boxes 2 are respectively driven by the two motors 3, in the actual operation process, when one of the motors 3 is out of order, the motor 3 can be removed, the cylinder is started, the cylinder drives the frame 23 to slide on the track 22, so that the driving wheel 26 is meshed with the two third fixed gears 21, and the other normal motor 3 can drive the two driving mechanisms to operate, so that the rolling mill can continue to operate.

Claims

1. The utility model provides a modularization finishing block, includes awl case (1) and two roller casees (2) of setting in awl case (1), two roller casees (2) mutual independence, its characterized in that: be provided with two mutually independent transmission system in awl case (1), two transmission system drive two roller casees (2) respectively, the outside of awl case (1) is provided with two actuating mechanism that the structure is the same, and every actuating mechanism all includes motor (3) and gear box (4), parallel arrangement has input shaft (5), transmission shaft (6) and output shaft (7) in gear box (4), input shaft (5) are located the top of transmission shaft (6), and the axial lead of input shaft (5) and the axial lead of transmission shaft (6) are located same vertical plane, output shaft (7) are located one side of transmission shaft (6), and the axial lead of output shaft (7) and the axial lead of transmission shaft (6) are located same horizontal plane, the middle part of input shaft (5) is provided with first clutch (8), is provided with first free gear (9) and the second gear that differ in size on the input shaft (5) of first clutch (8) both sides respectively The transmission shaft (6) is sequentially provided with a first fixed gear (14) and a second fixed gear (15), the first fixed gear (14) is respectively meshed with the first empty gear (9) and the third empty gear (12), the second fixed gear (15) is respectively meshed with the second empty gear (10) and the fourth empty gear (13), and the input end of the input shaft (5) is connected with the motor (3) through a first coupler (16), the output end of the output shaft (7) is connected with the input end of one transmission system through a second coupling (17).

2. A modular finishing block according to claim 1, characterised in that the gearboxes (4) of the two drive mechanisms are of one-piece construction.

3. A modular finishing block according to claim 1, characterised in that the motors (3) of the two drive mechanisms are located at the same height and are integrated in the same housing (18).

4. The modular finishing mill according to claim 3, characterized in that the end of the output shaft of the motor (3) is connected with a connecting shaft (20) through a third coupling (19), the end of the connecting shaft (20) passes through the machine box (18) and then is connected with the first coupling (16), the connecting shaft (20) is provided with a third fixed gear (21), the bottom of the machine box (18) below the two third fixed gears (21) is provided with a track (22), the length direction of the track (22) is parallel to the length direction of the connecting shaft (20), the track (22) is slidably connected with a frame (23), the frame (23) is provided with a rotating shaft (25) through a bearing seat (24), the rotating shaft (25) is provided with a driving wheel (26), the driving wheel (26) is respectively engaged with the two third fixed gears (21), and the bottom in the machine box (18) is provided with a driving device (20) for driving the frame (23) to slide on the track (22) 27).

5. A modular finishing block according to claim 4, characterised in that said driving means (27) are pneumatic cylinders.