CN201913111U

CN201913111U - Roller device in high-speed rolling

Info

Publication number: CN201913111U
Application number: CN2011200338113U
Authority: CN
Inventors: 陈义; 李图学; 闵建军
Original assignee: CISDI Engineering Co Ltd
Current assignee: CISDI Engineering Co Ltd
Priority date: 2011-01-31
Filing date: 2011-01-31
Publication date: 2011-08-03
Anticipated expiration: 2021-01-31

Abstract

The utility model discloses a roller device in high-speed rolling. The driving way of a roller is that the roller is driven by a power source directly, and the power source and the roller are not in transmission through a transmission system. The roller device comprises a stator, a rotor and a spindle, one end of the spindle is fixed along the circumference and the spindle is matched with and sleeved inside the rotor, and the roller is fixedly arranged along the circumference of the other end of the spindle in a matched manner. Compared with the prior art, the roller device in high-speed rolling has the advantages that by means of the direct drive transmission way of the roller, a transmission chain is shortened, transmission structure is compacter, rigidity is better, and thereby higher transmission efficiency and small vibration are achieved, higher rolling speed and higher rolling precision are realized, production efficiency of products is improved while production cost is reduced, and production cost of equipment can be reduced simultaneously.

Description

Roll device in the high-speed rolling

Technical field

The utility model relates to shaped steel (metallurgy) production equipment field, particularly the high-speed rolling field of line bar.

Background technology

In the Rolling Production of small-cross section profiles such as online bar, mill speed has often determined production efficiency of products, and this type of production efficiency of products is high more, and production cost is just low more, therefore, constantly realize that higher mill speed is the main direction of section rolling technical development such as line bar.

In rolling manufacturing field, the fast mill of prior art is for obtaining high rotational speed, the method that is adopted generally is to come speedup by speed-changing gear box, therefore, existing fast mill generally is by motor, shaft coupling, change gear box, the awl case, formations such as roll, power passes to roll at last through a series of drive disk assembly, its transmission chain length, intermediate link is many, transmission efficiency is low, operating accuracy is poor, and realize high mill speed, its each parts also need the very high accuracy of manufacture, thereby spend higher manufacturing cost, promptly enable to reach the requirement of the accuracy of manufacture, but because the restriction of structure itself, mill speed is difficult to that also further raising is arranged again.

Therefore, need to explore the driving method of roll in a kind of fast mill and use the roll device of this method, can reach higher mill speed, also can improve the performances such as transmission efficiency, operating accuracy of equipment, simultaneously, reduce the manufacture difficulty of rolling equipment.

Summary of the invention

In view of this, the utility model provides the roll device in a kind of high-speed rolling, and this device directly drives roll by power source, shortens driving-chain, reaches to improve mill speed, raising transmission efficiency and roll operating accuracy, and reduces the purpose of device fabrication difficulty.

Roll device in the high-speed rolling of the present utility model comprises stator, rotor and the main shaft that is driven by rotor, and the described main shaft other end is provided with roll along circumferential secure fit.

Further, also comprise housing, be arranged at the front-end bearing pedestal and the rear bearing block at housing two ends respectively, one end of described main shaft is placed in the housing and is rotatably assorted by bearing and front-end bearing pedestal and rear bearing block respectively, the other end of main shaft stretches out front-end bearing pedestal, described stator fixedly is placed in the housing, and rotor fixedly is placed in outside the main shaft;

Further, the other end relative with an end that is provided with roll is provided with speed of mainshaft sensor or main spindle's sensor on the described main shaft;

Further, be respectively arranged with cooling medium duct and lubricant medium duct on described front-end bearing pedestal and the rear bearing block;

Further, described housing two ends are provided with end cap and form confined space, and described front-end bearing pedestal and rear bearing block all are positioned at confined space;

Further, the electric current of described stator and rotor is by frequency-variable controller or vector controller control;

Further, built-in temperature sensor and/or the pressure sensor of being provided with of described roll;

Further, the bearing corresponding with front-end bearing pedestal is rolling bearing or sliding bearing, and the bearing corresponding with rear bearing block is rolling bearing or sliding bearing.

The beneficial effects of the utility model: the roll device in the high-speed rolling of the present utility model, the roll driving method is: roll is directly driven by power source, does not pass through the transmission system transmission between power source and the roll; Roll device comprises that stator, rotor and an end are placed in the interior main shaft of rotor along circumferential secure fit, and the described main shaft other end is provided with roll along circumferential secure fit; The utility model has the following advantages with respect to the milling train of prior art: by roll direct-drive type drive method, make driving-chain shorter, drive mechanism is compacter, rigidity is better, thereby has higher transmission efficiency, littler vibration, realize higher mill speed and the rolling accuracy of Geng Gao, improve production efficiency of products and reduce production costs, simultaneously, also can reduce the manufacturing cost of equipment.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the structural representation of roll device;

Fig. 2 is the paired use schematic diagram of roll device.

The specific embodiment

Fig. 1 is the structural representation of roll device, Fig. 2 is the paired use schematic diagram of roll device, as shown in the figure: the roll driving method in the high-speed rolling of present embodiment, roll is directly driven by power source, do not pass through the transmission system transmission between power source and the roll, roll adopts the direct-drive type drive method, makes driving-chain shorter, and drive mechanism is compacter, rigidity is better, thereby have higher transmission efficiency, littler vibration realizes higher mill speed and the rolling accuracy of Geng Gao.

Adopt the roll device of said method, comprise stator 1, rotor 2 and the main shaft 3 that drives by rotor 2, described main shaft 3 other ends are provided with roll 4 along circumferential secure fit, the roll of present embodiment adopts wire roll, certainly, also be applicable to the rolling of long profiles that all areas of section are less, compared with prior art, save transmission system.

In the present embodiment, also comprise housing 5, be arranged at the front-end bearing pedestal 6 and the rear bearing block 7 at housing 5 two ends respectively, one end of described main shaft 3 is placed in the housing 5 and is rotatably assorted by bearing 8 and front-end bearing pedestal 6 and rear bearing block 7 respectively, the other end of main shaft 3 stretches out front-end bearing pedestal 6, described stator 1 fixedly is placed in the housing 5, rotor 2 fixedly is placed in outside the main shaft 3, and simple in structure, manufacture difficulty is low.

In the present embodiment, the other end relative with an end that is provided with roll 4 on the described main shaft 3 is provided with speed of mainshaft sensor 9 or main spindle's sensor, to detect the rotating speed and the position of monitoring main shaft at any time, is convenient to the controlled rolling technological parameter.

In the present embodiment, be respectively arranged with cooling medium duct 6a and lubricant medium duct 7a on described front-end bearing pedestal 6 and the rear bearing block 7, in the 6a of cooling medium duct, feed cooling mediums such as cooling water, to improve the condition of work of each part, in the 7a of lubricant medium duct, feed lubricated wet goods lubricant medium,, all help improving rolling accuracy to reduce the wearing and tearing between the movement parts, increase equipment job stability, the service life of prolongation equipment.

In the present embodiment, described housing 5 two ends are provided with end cap 10 and form confined space, and described front-end bearing pedestal 6 and rear bearing block 7 all are positioned at confined space, damage parts such as bearing, rotor, stator to prevent impurity such as dust from entering enclosure interior.

In the present embodiment, the electric current of described stator 1 and rotor 2 can be regulated roll rotational speed according to rolling mill practice by frequency-variable controller or vector controller control.

In the present embodiment, described roll 4 built-in temperature sensor and the pressure sensors of being provided with are used for the temperature and pressure of parts such as monitoring bearing, axle, stator and rotor.

In the present embodiment, the bearing corresponding with front-end bearing pedestal 6 is rolling bearing, and the bearing corresponding with rear bearing block 7 is rolling bearing, certainly, the bearing corresponding with front-end bearing pedestal 6 adopts sliding bearing, the bearing corresponding with rear bearing block 7 adopts rolling bearing, and perhaps, the bearing corresponding with front-end bearing pedestal 6 adopts rolling bearing, the bearing corresponding with rear bearing block 7 adopts sliding bearing, perhaps, the bearing corresponding with front-end bearing pedestal 6 and rear bearing block 7 all adopts sliding bearing, all can realize the purpose of this utility model.

The roll device of present embodiment is simple in structure, and avoids using complicated transmission system, has reduced the manufacture difficulty of equipment, and transmission efficiency and operating accuracy are all higher, are applicable to that high-speed, high precision is rolling.

Roll device of the present utility model needs to use in pairs or a plurality of being used in use, make roll cooperate the pass that forms required rolled products, relatively with existing milling train, its structure can be compacter, maintainability is higher, as shown in Figure 2, two roll devices are installed on respectively on the frame, and the pass that forms by two roll shop buildings is rolled products such as wire rods.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. the roll device in the high-speed rolling comprises stator (1), rotor (2) and the main shaft (3) that is driven by rotor (2), it is characterized in that: described main shaft (3) other end is provided with roll (4) along circumferential secure fit.

2. the roll device in the high-speed rolling according to claim 1, it is characterized in that: also comprise housing (5), be arranged at the front-end bearing pedestal (6) and the rear bearing block (7) at housing (5) two ends respectively, one end of described main shaft (3) is placed in the housing (5) and is rotatably assorted by bearing (8) and front-end bearing pedestal (6) and rear bearing block (7) respectively, the other end of main shaft (3) stretches out front-end bearing pedestal (6), described stator (1) fixedly is placed in the housing (5), and rotor (2) fixedly is placed in outside the main shaft (3).

3. the roll device in the high-speed rolling according to claim 2 is characterized in that: described main shaft (3) is gone up the other end relative with an end that is provided with roll (4) and is provided with speed of mainshaft sensor (9) or main spindle's sensor.

4. according to the roll device in claim 2 or the 3 described high-speed rollings, it is characterized in that: be respectively arranged with cooling medium duct (6a) and lubricant medium duct (7a) on described front-end bearing pedestal (6) and the rear bearing block (7).

5. the roll device in the high-speed rolling according to claim 4 is characterized in that: described housing (5) two ends are provided with end cap (10) and form confined space, and described front-end bearing pedestal (6) and rear bearing block (7) all are positioned at confined space.

6. the roll device in the high-speed rolling according to claim 5 is characterized in that: the driving of described stator (1) and rotor (2) is by frequency-variable controller or vector controller control.

7. the roll device in the high-speed rolling according to claim 6 is characterized in that: built-in temperature sensor and/or the pressure sensor of being provided with of described roll (4).

8. the roll device in the high-speed rolling according to claim 7 is characterized in that: the bearing corresponding with front-end bearing pedestal (6) is rolling bearing or sliding bearing, and the bearing corresponding with rear bearing block (7) is rolling bearing or sliding bearing.