CN213495644U

CN213495644U - Cold and hot rolling all-in-one

Info

Publication number: CN213495644U
Application number: CN202022262395.6U
Authority: CN
Inventors: 薛倩芸; 刘建尊; 景建元; 赵海云
Original assignee: Shandong Military Titanium Material Co Ltd
Current assignee: Shandong Military Titanium Material Co Ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-22
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a cold and hot rolling integrated machine, which comprises a rolling mill main body, wherein roller ways are symmetrically arranged at two ends of the rolling mill main body, and the roller ways are connected with variable frequency motors; the tail end of the roller way is connected with a conveying track, the conveying track positioned at the front end of the rolling mill main body is connected with a feeding hole, and a straightening machine is arranged on the conveying track positioned at the rear end of the rolling mill main body; centering guide rulers are arranged on two sides of the roller way; the rolling mill main body comprises a fixedly arranged ground rail, a lower supporting roller system is arranged on the ground rail in a sliding mode, an upper supporting roller system is arranged above the lower supporting roller system, an oil hydraulic cylinder is mounted at the top of the upper supporting roller system and can control the upper supporting roller system to move up and down, a working roller system is arranged between the upper supporting roller system and the lower supporting roller system, one end of the working roller system is connected with a universal shaft, the tail end of the universal shaft is connected with a combined gear box, and the combined gear box is in transmission connection with a motor; the two sides of the ground rail are provided with roller changing devices which are used for changing the working roller system. The utility model discloses make cold rolling and hot rolling go on same unit, reduced manufacturing cost.

Description

Cold and hot rolling all-in-one

Technical Field

The utility model relates to a rolling mill technical field especially relates to a cold and hot rolling all-in-one.

Background

The rolling mill is equipment for realizing a metal rolling process, generally refers to equipment for completing the whole process of rolled material production, and mainly comprises an unreeling machine, a rolling system, a driving system, a hydraulic system, a control system, a roll dismounting device and the like; the existing rolling mills are generally divided into a hot rolling mill and a cold rolling mill, and materials to be processed need to be respectively placed on the hot rolling mill and the cold rolling mill for rolling, however, the production cost is increased by purchasing two rolling mills, and the enterprise pressure is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cold and hot rolling all-in-one to solve the problem that above-mentioned prior art exists, make cold rolling and hot rolling go on same unit, reduced manufacturing cost.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a cold and hot rolling integrated machine, which comprises a rolling mill main body, wherein roller ways are symmetrically arranged at two ends of the rolling mill main body and are connected with variable frequency motors; the tail end of the roller way is connected with a conveying track, the conveying track positioned at the front end of the rolling mill main body is connected with a feeding hole, and a straightening machine is installed on the conveying track positioned at the rear end of the rolling mill main body; centering guide rulers are arranged on two sides of the roller way; the rolling mill main body comprises a fixedly arranged ground rail, a lower supporting roller system is arranged on the ground rail in a sliding mode, an upper supporting roller system is arranged above the lower supporting roller system, an oil hydraulic cylinder is mounted at the top of the upper supporting roller system and can control the upper supporting roller system to move up and down, a working roller system is arranged between the upper supporting roller system and the lower supporting roller system, one end of the working roller system is connected with a universal shaft, the tail end of the universal shaft is connected with a combined gear box, and the combined gear box is in transmission connection with a motor; and roll changing devices are arranged on two sides of the ground rail and used for changing the working roll system.

Optionally, the roll changing device comprises a roll changing trolley arranged on one side of the ground rail and a rotary screw rod arranged on the other side of the ground rail; the rotary screw rod is connected with a cycloid pin wheel motor; one end of the rotary screw rod is sleeved with a sliding block, and the sliding block is used for being connected with a bearing seat of the working roll system.

Optionally, the working roll system comprises two working rolls which are symmetrically arranged up and down, and one end of each working roll is in transmission connection with the universal shaft.

Optionally, the working roll system comprises two vertically symmetrical intermediate rolls, and the two working rolls are connected between the intermediate rolls in a transmission manner; one end of the middle roller is in transmission connection with the universal shaft.

Optionally, the length of the centering guide ruler is 3m, and the centering range of the centering guide ruler is 500-1300 mm.

Optionally, the lengths of the roller ways at the two ends of the rolling mill main body are respectively 5 m; the roller way comprises a hot-pressing roller way and a cold-rolling roller way, the hot-pressing roller way is of a roller tube type structure, and the cold-rolling roller way is of a four-chain type structure; the centering guide ruler is installed on the hot rolling roller way.

Optionally, an included angle between the center line of the universal shaft and the center line of the working roll system or the center line of the gear shaft of the combined gear box is 3-5 degrees.

The utility model discloses for prior art gain following technological effect:

the utility model discloses the cold and hot rolling of pure titanium of mainly used and titanium alloy small batch volume, rolling efficiency is high, practices thrift the cost. The device has the advantages of high rigidity, high strength, high precision and stability of products, simple structure, convenient maintenance, reliable performance of an electrical system and accurate and convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic top view of the cold-hot rolling integrated machine of the present invention;

FIG. 2 is a schematic structural diagram of the cold-hot rolling integrated machine of the present invention during hot rolling;

FIG. 3 is a partial sectional view of the cold-hot rolling integrated machine according to the present invention;

FIG. 4 is a schematic structural diagram of the cold-rolling and hot-rolling integrated machine of the present invention during cold rolling;

FIG. 5 is a partial sectional view of the cold-hot rolling integrated machine of the present invention during cold rolling;

wherein, 1 is a rolling mill main body, 2 is a roller way, 3 is a conveying track, 4 is a feed inlet, 5 is a straightener, 6 is a centering guide ruler, 7 is a ground rail, 8 is a lower supporting roller system, 9 is an upper supporting roller system, 10 is an oil pressure cylinder, 11 is a universal shaft, 12 is a combined gear box, 13 is a motor, 14 is a roller changing trolley, 15 is a rotary screw rod, 16 is a working roller and 17 is a middle roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a cold and hot rolling integrated machine, as shown in figures 1-5, which comprises a rolling mill main body 1, roller beds 2 are symmetrically arranged at two ends of the rolling mill main body 1, and the roller beds 2 are connected with variable frequency motors; the tail end of the roller way 2 is connected with a conveying track 3, the conveying track 3 positioned at the front end of the rolling mill main body 1 is connected with a feeding hole 4, and a straightening machine 5 is arranged on the conveying track 3 positioned at the rear end of the rolling mill main body 1; centering guide rulers 6 are arranged on two sides of the roller way 2; rolling mill main part 1 is including the fixed ground rail 7 that sets up, it is 8 to slide on the ground rail 7 and be provided with the bottom suspension roller, the bottom suspension roller is 8 tops and is provided with the backing roll and is 9, go up the backing roll and be 9 tops and install oil hydraulic cylinder 10, oil hydraulic cylinder 10 can control and go up the backing roll and be 9 and reciprocate, it is 9 and the bottom suspension roller to be provided with the work roll between 8 to go up the backing roll and be 9, the work roll is one end and is connected with

universal shaft

11, 11 end-to-end connections of universal shaft have joint gear case 12, joint gear case 12 adopts parallel input, output shaft centre-to-: 15, the combined gear box 12 is connected with a motor 13 in a transmission way; the two sides of the ground rail 7 are provided with roll changing devices which are used for changing the working roll system.

Further preferably, the roll changing device comprises a roll changing trolley 14 arranged on one side of the ground rail 7 and a rotary screw rod 15 arranged on the other side of the ground rail 7; the rotary screw rod 15 is connected with a cycloid pinwheel motor; one end of the rotary screw rod 15 is sleeved with a sliding block which is used for being connected with a bearing seat of the working roll system. The length of the centering guide ruler 6 is 3m, and the centering range of the centering guide ruler 6 is 500-1300 mm. The lengths of the roller ways 2 at the two ends of the rolling mill main body 1 are respectively 5 m; the roller way 2 comprises a hot-pressing roller way and a cold-rolling roller way, the hot-pressing roller way adopts a roller tube type structure, and the cold-rolling roller way adopts a four-chain type structure; the rolling size precision is realized through centering guide ruler 6, the blank is limited by the hydraulic oil cylinder clamping plate, and the centering guide ruler 6 is installed on the hot rolling roller way, is connected with a relative quick joint, and is convenient for the roller way to be disassembled. The included angle between the central line of the universal shaft 11 and the central line of the working roll system or the central line of the gear shaft of the combined gear box 12 is 3-5 degrees; for the convenience of roll change, a bracket device is specially designed for supporting two connecting shafts, and the bracket is required to be arranged when the roll runs.

When cold rolling or hot rolling is carried out, only the working roll system needs to be replaced, the replacement is convenient, and the working efficiency is high. The upper and lower support rollers are moved by a roll change in/out cylinder. Wherein the lower support roller system can be replaced individually, and the replacement of the upper support roller system requires the placement of a support frame on the lower support roller system, and replacement is performed by pushing/pulling the lower support roller system. The working roll system is provided with an independent roll changing trolley 14, the rotating angle of a rotating screw rod 15 is controlled by a cycloid pinwheel motor, a sliding block is sleeved on the rotating screw rod 15 and is connected with a bearing seat of the working roll system, and the upper and lower working roll systems are fixed by positioning pins and then changed in pairs.

During hot rolling, the working roll system comprises two working rolls 16 which are symmetrically arranged up and down, one end of each working roll 16 is in transmission connection with the universal shaft 11, the rolling speed is 80m/min, and the roller table speed is as follows: 120m/min, rolling pressure max: 25000kn, maximum rolling moment: 1182kn · m, reduction roll repositioning accuracy: ± 0.004mm, roll gap difference: +/-0.002 mm, maximum opening degree of hot rolling of a rolling mill: 300mm transmission mode: and (5) driving the working roller.

The blank is fed from the feeding hole, the orientation of the blank is corrected by the centering guide ruler during the back-and-forth rolling of the blank, the dimensional accuracy is improved, and the blank directly enters a straightening machine for straightening after the rolling is finished so as to obtain a straight plate. When the rolling mill works, the power is transmitted to the working roll by the joint gear box through the universal shaft, and the pressure is transmitted by the rotation of the working roll, so that the plate is deformed and extended to obtain a certain organization, performance and shape.

The working roll system is replaced during cold rolling, the working roll system comprises two middle rolls 17 which are symmetrical up and down, and two working rolls 16 are connected between the middle rolls 17 in a transmission way; one end of the middle roller 17 is connected with the universal shaft 11 in a transmission way, when the rolling mill works, the middle roller 17 is driven, the rolling speed is 58m/min, the power is transmitted to the middle roller 17 through the universal shaft by the combined gear box, the middle roller 17 drives the working roller 16 to rotate and transmit pressure, and the plate is deformed and extended to obtain a certain structure, performance and shape.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A cold and hot rolling all-in-one machine which is characterized in that: the rolling mill comprises a rolling mill main body, wherein roller ways are symmetrically arranged at two ends of the rolling mill main body and are connected with variable frequency motors; the tail end of the roller way is connected with a conveying track, the conveying track positioned at the front end of the rolling mill main body is connected with a feeding hole, and a straightening machine is installed on the conveying track positioned at the rear end of the rolling mill main body; centering guide rulers are arranged on two sides of the roller way; the rolling mill main body comprises a fixedly arranged ground rail, a lower supporting roller system is arranged on the ground rail in a sliding mode, an upper supporting roller system is arranged above the lower supporting roller system, an oil hydraulic cylinder is mounted at the top of the upper supporting roller system and can control the upper supporting roller system to move up and down, a working roller system is arranged between the upper supporting roller system and the lower supporting roller system, one end of the working roller system is connected with a universal shaft, the tail end of the universal shaft is connected with a combined gear box, and the combined gear box is in transmission connection with a motor; and roll changing devices are arranged on two sides of the ground rail and used for changing the working roll system.

2. The cold-hot rolling all-in-one machine according to claim 1, characterized in that: the roll changing device comprises a roll changing trolley arranged on one side of the ground rail and a rotary screw rod arranged on the other side of the ground rail; the rotary screw rod is connected with a cycloid pin wheel motor; one end of the rotary screw rod is sleeved with a sliding block, and the sliding block is used for being connected with a bearing seat of the working roll system.

3. A cold-hot rolling integrated machine according to claim 2, characterized in that: the working roll system comprises two working rolls which are symmetrically arranged up and down, and one end of each working roll is in transmission connection with the universal shaft.

4. A cold-hot rolling integrated machine according to claim 2, characterized in that: the working roll system comprises two middle rolls which are symmetrical up and down, and the two working rolls are connected between the middle rolls in a transmission way; one end of the middle roller is in transmission connection with the universal shaft.

5. The cold-hot rolling all-in-one machine according to claim 1, characterized in that: the length of the centering guide ruler is 3m, and the centering range of the centering guide ruler is 500-1300 mm.

6. The cold-hot rolling all-in-one machine according to claim 1, characterized in that: the lengths of the roller ways positioned at the two ends of the rolling mill main body are respectively 5 m; the roller way comprises a hot rolling roller way and a cold rolling roller way, the hot rolling roller way adopts a roller tube type structure, and the cold rolling roller way adopts a four-chain type structure; the centering guide ruler is installed on the hot rolling roller way.

7. The cold-hot rolling all-in-one machine according to claim 1, characterized in that: the included angle between the central line of the universal shaft and the central line of the working roll system or the central line of the gear shaft of the combined gear box is 3-5 degrees.