CN212442579U

CN212442579U - Single-stand independent transmission modular rolling mill and unit

Info

Publication number: CN212442579U
Application number: CN202020492073.8U
Authority: CN
Inventors: 陈莹卷; 周民; 高爱民; 穆杨; 刘建梅
Original assignee: CISDI Technology Research Center Co Ltd
Current assignee: CISDI Technology Research Center Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-02-02
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a single frame independent drive modularization rolling mill and unit belongs to wire rod rolling equipment field. The roller box comprises a conical box and two roller boxes arranged on the conical box, wherein the roller boxes are provided with roller shafts, the roller shafts of the two roller boxes are arranged close to each other, and the axial directions of the roller shafts on the two roller boxes are mutually vertical; the conical box is also provided with two driving motors, and the two driving motors respectively drive the two roller boxes. The utility model cancels an independent gear box, greatly simplifies the equipment structure relative to centralized transmission, has more flexible unit process arrangement, has more compact unit transmission system, and is beneficial to the high-speed and stable operation of the equipment; when the roll collar of the rolling mill is worn, the reduction of the roll diameter caused by the wear of the roll collar can be compensated by finely adjusting the speed of the motor, the utilization rate of the roll collar is improved, and the quantity of spare parts of the roll collar is reduced; the single pass has no fixed reduction ratio, so the hole pattern design is more flexible; the idle rolling mill can be stopped, and no idle power consumption is generated.

Description

Single-stand independent transmission modular rolling mill and unit

Technical Field

The utility model belongs to wire rod rolling equipment field relates to a single-frame independent drive modularization rolling mill and unit.

Background

The wire rod finishing mill, as a core device in a high-speed wire rod production line, needs to have a high-speed rolling capability to ensure the yield of wire rods. Aiming at small-size wire rod products, the rolling speed is even as high as about 110m/s for ensuring the wire rod output. In the early stage, the problem of dynamic speed reduction of steel biting in the high-speed rolling process of the wire rod cannot be solved, so that the adopted wire rod finishing mills are in a centralized transmission structural form, namely 8-10 rolling mills are simultaneously driven by a large motor, top crossing 45-degree non-twisting rolling is realized, and a plurality of gear sets are respectively driven by a gear box and two long shafts in mechanical transmission to drive the rolling mills and realize mechanical interlocking, so that the problem of dynamic speed reduction is solved, and stable production is realized. Although mechanical interlocking can be realized through centralized transmission, the problem of multi-frame quick drop is solved, but the problems of long transmission chain, complex structure, inconvenient cone box replacement, high no-load power consumption during the rolling of a throwing frame and the like exist.

For the disclosed modular rolling mill, a centralized transmission mode is also adopted, namely a single module two rolling mills adopt a main motor to drive through an independent gear box, the transmission chain of the unit is still longer, the speed ratio relationship between the two rolling mills is fixed, namely the extension coefficients of the two rolling mills are fixed during rolling and cannot be flexibly adjusted, and the single fixed speed ratio rolling mill cannot meet the rolling requirements for different extension coefficients required during rolling of different wire rod products. In addition, the transmission chain of the machine set is long, the installation and maintenance are complex, the occupied width of a workshop is large, and the production line process arrangement is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a single stand independent transmission modular rolling mill and a single stand independent transmission modular rolling mill set, which can adjust the speed ratio of the rolling mill and satisfy the extension coefficients required for rolling different wire rod products.

In order to achieve the above purpose, the utility model provides a following technical scheme: a single-stand independent transmission modular rolling mill comprises a conical box and two roller boxes arranged on the conical box, wherein two roller shafts are arranged on the roller boxes, the roller shafts of the two roller boxes are arranged close to each other, and the axial directions of the roller shafts on the two roller boxes are perpendicular to each other; the conical box is further provided with two driving motors, and the two driving motors respectively drive the two roller boxes.

Optionally, the cone box comprises a box body and two frames arranged on the box body, an included angle between the extending direction of each frame and a plane where the box body is located is 45 degrees, the extending directions of the two frames are perpendicular to each other, and the two roller boxes are respectively arranged on the two frames.

Optionally, the number of the box bodies is two, and the two racks are respectively arranged on the two box bodies.

Optionally, an input shaft, an intermediate shaft, a short conical shaft and an idle shaft which are connected in sequence are arranged in the frame, and the driving motor drives the roller shaft to rotate through the input shaft, the intermediate shaft, the short conical shaft and the idle shaft.

Optionally, one end of the input shaft is connected with the driving motor, the other end of the input shaft is connected to the intermediate shaft through a gear in a rotating manner, one end of the intermediate shaft, which is far away from the input shaft, is connected to the short conical shaft through a bevel gear in a rotating manner, one end of the short conical shaft, which is far away from the intermediate shaft, is connected to the idle shaft through a gear in a rotating manner, and one end of the idle shaft, which is far away from the short conical shaft, is connected to the roller shaft in the roller box in a rotating manner.

Optionally, the number of the roll shafts on the roll box is two, the two roll shafts are arranged in parallel, and the two roll shafts are respectively connected with the idle shaft and the short conical shaft in a rotating mode through gears.

Optionally, a coupler is arranged between the driving motor and the input shaft, and the driving motor is detachably connected with the input shaft through the coupler.

A single stand independent transmission modular rolling mill group comprises a plurality of single stand independent transmission modular rolling mills according to any one of the above items, and the plurality of single stand independent transmission modular rolling mills are sequentially arranged along the rolling line direction.

Alternatively, the drive motors of several single stand independent drive modular rolling mills are arranged on the same side of the mill pass line.

Optionally, the single stand independent drive modular rolling mill is 2, 3 or 4.

The beneficial effects of the utility model reside in that: the driving motor and the roller box adopt independent transmission, an independent gear box is omitted, the equipment structure is greatly simplified relative to centralized transmission, the unit transmission system is more compact, the high-speed stable operation of the equipment is more facilitated, and the unit process arrangement is more flexible; by adopting independent transmission, when the roll collar of any rolling mill is worn, the reduction of the roll diameter caused by the wear of the roll collar can be compensated by finely adjusting the speed of a motor, so that the utilization rate of the roll collar is improved, and the quantity of spare parts of the roll collar is reduced; independent transmission is adopted, a fixed reduction ratio does not exist between single passes, and the hole pattern design is more flexible; by adopting independent transmission, the idle rolling mill can be stopped, no-load power consumption is generated, and the production and operation cost can be effectively reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a side view of a single stand independent drive modular rolling mill;

FIG. 2 is a top view of a single stand independent drive modular rolling mill;

FIG. 3 is a cross-sectional view taken along line C-C of FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a cross-sectional view of the roller box;

FIG. 7 is a top view of a single stand independent drive modular mill train.

Reference numerals: the device comprises a cone box 1, a roller box 2, a coupler 3, a driving motor 4, a roller shaft 5, a box body 6, a rack 7, an input shaft 8, an intermediate shaft 9, a short cone shaft 10 and an idle shaft 11.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Example 1

Referring to fig. 1 to 7, a single stand independent transmission modular rolling mill set includes a plurality of single stand independent transmission modular rolling mills, which are sequentially arranged along a rolling line direction. The single-stand independent transmission modular rolling mill comprises a cone box 1 and two roller boxes 2 arranged on the cone box 1, wherein the roller shafts 5 are arranged on the roller boxes 2, the two roller boxes 2 are arranged, the roller shafts 5 of the two roller boxes 2 are arranged close to each other, and the axial directions of the roller shafts on the two roller boxes 2 are mutually vertical; the cone box 1 is further provided with two driving motors 4, and the two driving motors 4 respectively drive the two roller boxes 2.

In this embodiment, the cone box 1 includes a box body 6 and a rack 7 disposed on the box body 6, and an included angle between an extending direction of the rack 7 and a plane where the box body 6 is located is 45 °. An input shaft 8, a middle shaft 9, a short conical shaft 10 and an idle shaft 11 which are connected in sequence are arranged in the frame 7, and the driving motor 4 drives the roll shaft 5 to rotate through the input shaft 8, the middle shaft 9, the short conical shaft 10 and the idle shaft 11. The two roll shafts 5 on the roll box 2 are arranged in parallel, and the two roll shafts 5 are respectively and rotatably connected with the idle shaft 11 and the short conical shaft 10 through gears.

One end of the input shaft 8 is connected with the driving motor 4, the other end of the input shaft 8 is connected onto the intermediate shaft 9 through gear rotation, one end, far away from the input shaft 8, of the intermediate shaft 9 is connected onto the short conical shaft 10 through bevel gear rotation, one end, far away from the intermediate shaft 9, of the short conical shaft 10 is connected onto the idle shaft 11 through gear rotation, and one end, far away from the short conical shaft 10, of the idle shaft 11 is connected with the roller shaft 5 in the roller box 2 in a rotating mode. A coupling 3 is arranged between the driving motor 4 and the input shaft 8, and the driving motor 4 is detachably connected with the input shaft 8 through the coupling 3. The frame 7 and the transmission shafting are both arranged on the box body 6, the arrangement is compact, direct connection transmission of the motor and the rolling mill is realized, the transmission chain is shorter, the requirement on the width of a workshop is small, and the process arrangement of the unit is more flexible.

The two frames 7 are arranged, the extending directions of the two frames 7 are perpendicular to each other, and the two roller boxes 2 are respectively arranged on the two frames 7. The planes of the extending directions of the two racks 7 are parallel to each other, the short conical shafts 10 are arranged in the two racks 7 respectively, the two short conical shafts 10 are arranged on two sides of a rolling line respectively, the included angle between the axial direction of the short conical shafts 10 and the plane of the box body 6 is 45 degrees, and the twist-free rolling of the wire rod is achieved.

The number of the single-stand independent transmission modular rolling mills can be selected according to the requirements of the rolling process, such as 2, 3, 4 and the like, and in the embodiment, the number of the single-stand independent transmission modular rolling mills is 3. The drive motors 4 of the 3 single stand independent drive modular mills were arranged on the same side of the mill pass line. The other side of the rolling line has no motor blockage, and the quick replacement of the rolling mill can be realized.

Example 2

In this embodiment, in the rolling mill, there are two rolling mills, and two stands 7 are respectively disposed on the two rolling mills 6, thereby forming two completely independent rolling mills. The rolling mill train contains several completely independent rolling mills.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a single-frame independent drive modularization rolling mill which characterized in that: the roller box comprises a conical box and two roller boxes arranged on the conical box, wherein the roller boxes are provided with two roller shafts, the roller shafts of the two roller boxes are arranged close to each other, and the axial directions of the roller shafts on the two roller boxes are mutually vertical;

the conical box is further provided with two driving motors, and the two driving motors respectively drive the two roller boxes.

2. The single stand independent drive modular rolling mill of claim 1, wherein: the cone box comprises a box body and two frames arranged on the box body, the included angle between the extending direction of each frame and the plane where the box body is located is 45 degrees, the extending directions of the two frames are perpendicular to each other, and the two roller boxes are arranged on the two frames respectively.

3. The single stand independent drive modular rolling mill of claim 2, wherein: the box is two, two the frame sets up respectively on two the box.

4. The single stand independent drive modular rolling mill of claim 2, wherein: an input shaft, a middle shaft, a short conical shaft and an idle shaft which are connected in sequence are arranged in the rack, and the driving motor drives the roller shaft to rotate through the input shaft, the middle shaft, the short conical shaft and the idle shaft.

5. The single stand independent drive modular rolling mill of claim 4, wherein: one end of the input shaft is connected with the driving motor, the other end of the input shaft is connected to the intermediate shaft through a gear in a rotating mode, one end, far away from the input shaft, of the intermediate shaft is connected to the short conical shaft through a bevel gear in a rotating mode, one end, far away from the intermediate shaft, of the short conical shaft is connected to the idle shaft through a gear in a rotating mode, and one end, far away from the short conical shaft, of the idle shaft is connected with the roller shaft in the roller box in a rotating mode.

6. The single stand independent drive modular rolling mill of claim 4, wherein: the two roll shafts on the roll box are arranged in parallel, and are respectively in rotating connection with the idle shaft and the short conical shaft through gears.

7. A single stand independent drive modular rolling mill as claimed in claim 4 or 5, wherein: the driving motor and the input shaft are provided with a coupler therebetween, and the driving motor is detachably connected with the input shaft through the coupler.

8. The utility model provides a single frame independent drive modularization rolling mill group which characterized in that: the rolling mill comprises a plurality of single-stand independent transmission modular rolling mills according to any one of claims 1 to 6, wherein the plurality of single-stand independent transmission modular rolling mills are arranged in sequence along the rolling line direction.

9. The single stand independent drive modular mill train of claim 8, wherein: the number of the single-stand independent transmission modular rolling mills is 2, 3 or 4.

10. The single stand independent drive modular mill train of claim 8, wherein: the driving motors of the single-stand independent transmission modular rolling mill are arranged on the same side of the rolling line.