CN103008343A

CN103008343A - Continuous mill

Info

Publication number: CN103008343A
Application number: CN2012105487842A
Authority: CN
Inventors: 汪群华; 卢曦; 吴昊
Original assignee: Jiangsu Sanhuan Industrial Co Ltd
Current assignee: Jiangsu Sanhuan Industrial Co Ltd
Priority date: 2012-12-18
Filing date: 2012-12-18
Publication date: 2013-04-03
Anticipated expiration: 2032-12-18
Also published as: CN103008343B

Abstract

The invention provides a continuous mill used for milling lead belts. The continuous mill comprises a machine frame, a first mill group, a second mill group, a driving device and a controller, wherein the first mill group and the second mill group are arranged on the machine frame in a serial connection way, the first mill group comprises four to six mills in serial connection arrangement, the second mill group comprises one to two mills in serial connection arrangement, the driving device is used for driving each mill to work, the controller is used for coordinating and controlling the work of each mill, during the milling, blank lead belts enter the continuous mill to be continuously milled by six mills, and the lead belts with the set thickness can be obtained. The continuous mill disclosed by the invention has the advantages that through the arrangement of two mill groups, a plurality of serially connected mills are used for milling blank materials, the lead belts are supported, the efficiency is high, and the loss is low. In addition, in order to ensure the milling quality, an expansion mechanism is also arranged between the first mill group and the second mill group so that the occurrence of belt accumulation phenomenon in the milling process is prevented, and the assurance is further provided for the lead belt quality.

Description

A kind of tandem mill

Technical field

The present invention relates to a kind of tandem mill, particularly for the rolling plumbous tandem mill of being with.

Background technology

Existing plumbous band is produced and is usually used the separate unit milling train to be rolled.Although, adopt him also can be with by rolling lead by the separate unit milling train, will pass through multi-pass rolling but use the separate unit milling train that blank is rolled into plumbous band, so just need to winding apparatus all be set in the milling train both sides, and after rolling through every a time, plumbous band all can produce waste material in two end.Therefore, use the separate unit milling train to carry out lead and be with rollingly, not only use duration, equipment is complicated, and waste material is many, and production cost is high.

Summary of the invention

Problem for prior art exists the object of the present invention is to provide a kind of tandem mill, and this tandem mill comprises the milling train that some series connection arrange, and blank is carried out continuous rolling, and automatization level is high, and production efficiency is high.

For achieving the above object, a kind of tandem mill of the present invention comprises:

Frame;

Series connection is arranged on the first milling train group and the second milling train group on the described frame, and described the first milling train group comprises the 4-6 platform milling train that series connection arranges, and described the second milling train group comprises the 1-2 platform milling train that series connection arranges;

Be used for driving the drive unit of each milling train work;

Be used for coordinating the controller of described each the milling train work of control;

When rolling, the plumbous band of blank after the continuous rolling through six milling trains, obtains setting the lead band of thickness by entering into tandem mill.

Further, each milling train in described the first milling train group and the second milling train group is double-roll rolling mill.

Further, described drive unit is for being used for one by one corresponding some motors and the deceleration device thereof that drives described each milling train.

Further, described tandem mill comprises that also be arranged on being used between the first milling train group and the second milling train group makes plumbous band keep straight expansion mechanism always, and it comprises:

Decide framework, be installed on the described frame;

With the moving framework of deciding framework and linking to each other by the first rotating shaft;

Be used for supporting the plumbous gripper shoe of being with and be installed in described moving framework;

Be used for driving moving framework around the first actuator of described the first rotating shaft rotation;

During work, when the lead between described the first milling train group and the second milling train group occurs with the heap zoning, then the first actuator drives described moving framework and rotates around its axis, with the swelling of described plumbous band.

Further, described expansion mechanism also comprise for to the lead on the described gripper shoe with spacing pressing roll mechanism, it comprises:

Be used for the lead band is carried out spacing pressure roller, described pressure roller can rotate around himself axis; With

For the pressing roller holder that described pressure roller is arranged on the described moving framework.

Tandem mill disclosed in this invention, by two milling train groups are set, some series connection milling trains are rolled blank, support plumbous band, have efficiently, low-loss advantage, and for guaranteeing rolling quality, between the first milling train group and the second milling train group, also arrange but expansion mechanism to prevent in the operation of rolling generation of heap zoning, further provide guarantee for lead band quality.

Description of drawings

Fig. 1 is the tandem mill structural representation;

Fig. 2 is the expansion mechanism perspective view;

Fig. 3 is the expansion mechanism side view.

The specific embodiment

As shown in Figure 1, tandem mill of the present invention comprises: frame 1, series connection is arranged on the first milling train group 2 and the second milling train group 3 on the described frame, is used for driving the drive unit of each milling train work, is used for coordinating controller and the expansion mechanism 5 of described each the milling train work of control.Wherein, the first milling train group 2 comprises 6 milling trains that series connection arranges, and the second milling train group 3 comprises 1 milling train that series connection arranges.In actual applications, the concrete quantity of milling train should be according to entering sotck thinkness and rolling rear plumbous tape thickness is set, the first milling train group can milling train can be the 4-6 platform, the milling train quantity in the second milling train group 3 can be the 1-2 platform.And each milling train in each milling train in the first milling train group 2 and the second milling train group 3 is double-roll rolling mill, so and because the roll that adopts in softer each milling train of metallic lead is flat rod.Drive unit comprises some motors and supporting reductor thereof.Every milling train is all supporting a motor and a reductor thereof, and the mode of this drive helps the adjustment to each mill milling speed more, does not mate the heap band that occurs or the phenomenon of drawstring produces to avoid occurring owing to two rolling mill speeds in front and back.Control device is used for the rotation of control the first milling train group 2 and the second milling train group 3 each milling train, and its control method is that each milling train is identical at the lead band volume of its outlet place output in the unit interval.Control device is electrically connected with the drive motors of each milling train.

Expansion mechanism 5 is arranged between the first milling train group 2 and the second milling train group 3, its effect is to make plumbous band remain straight in the operation of rolling, although the rotating speed to each milling train that control device can be good is monitored, but in actual production process because plumbous band is softer, so be easy to pile the phenomenon of band, so, in order to guarantee rolling quality, tandem mill among the present invention elongates distance between the first milling train group 2 and the second milling train group 3, and is provided with betwixt expansion mechanism 5.So just can before finally exporting tandem mill, the lead band adjust its state, and further qualitative by the second milling train group 3, with the rolling lead band end product quality of further assurance.Shown in Fig. 2,3, expansion mechanism 5 comprises: decide framework 6, moving framework 7, gripper shoe 8, the first actuator 9, the first rotating shaft 10 and pressing roll mechanisms.Wherein decide framework 6 and be fixedly installed on the frame 1, and preferred top frame 6 is two two support members that are vertically set on the frame 1, and interval setpoint distance in the horizontal direction between two support members, this distance should be complementary with the width of lead band.Moving framework 7 is decided on the framework 6 by the first rotating shaft 10 rotating being arranged on, and preferred, and the first rotating shaft is positioned at an end of moving framework 7.Gripper shoe 9 is used for supporting the lead band between the first milling train group 2 and the second milling train group 3, and gripper shoe 9 is fixedly installed on the moving framework 7.The first actuator 9 is cylinder or hydraulic cylinder preferably, and its stiff end is fixedly installed on the frame 1, and its movable end and moving framework 7 are articulated and connected.As shown in Figure 3, the movable end of the first actuator 9 stretches out then moving framework 7 and carries gripper shoe 8 and rotate counterclockwise around the first rotating shaft 10, and the movable end of the first actuator 9 is retracted, and then moving framework 7 carries gripper shoe 8 and clockwise rotates around the first rotating shaft 10.Pressing roll mechanism is used for carrying out spacingly to being positioned at lead band on the gripper shoe, keeps straight to guarantee the lead band that enters into the second milling train group, and pressing roll mechanism comprises: pressure roller 11, roller bearing 12 and pressure roller framework 13.Pressure roller 11 is arranged on the top of gripper shoe 8, and preferred, is positioned at the end away from the first rotating shaft 10, and pressure roller 11 is fixedly installed on the pressure roller framework 13 by the roller bearing 12 at its two ends, and 13 of pressure roller frameworks are fixedly installed on the moving framework 7.Pressure roller 11 can rotate around himself axis.During work, when normally carrying out, gripper shoe 8 is positioned at level, only the lead band between the first milling train group 2 and the second milling train group 3 is played a supportive role when rolling.When finding that the heap zoning appears in the lead band between the first milling train group 2 and the second milling train group 3, namely at the plumbous strip length between the first milling train group 2 and the second milling train group 3 greater than the distance between the first milling train group 2 and the second milling train group 3, then the movable end of the first actuator 9 stretches out, moving framework 7 drives gripper shoe 8 and rotates counterclockwise around the first rotating shaft 10, namely gripper shoe 8 perks, lead is with swelling, makes it can not pile zoning and cause plumbous band fold.Subsequently, by control device each milling train rotating speed of the first milling train group 2 and the second milling train group 3 is adjusted, to eliminate the heap zoning.After the heap zoning was eliminated, the movable end of the first actuator 9 was retracted, and moving framework 7 drives gripper shoe 8 and clockwise rotates around the first rotating shaft 10, returns to initial horizontal level.

During work, blank enters into tandem mill, is rolled.Blank enters into the second milling train group 3 through expansion mechanism 5 and is rolled through behind six milling trains of the first milling train group 2 rolling.As the heap zoning occurs in the operation of rolling, then start expansion mechanism 5, lead is with swelling, to avoid the heap band lead band end product quality is impacted.After tandem mill is rolling, can directly obtain the lead band of predetermined thickness and width.

Tandem mill automaticity of the present invention is high, and can directly obtain the lead band of predetermined thickness and width by the continuous work compound of two milling train group 5-7 platform milling trains, and tandem mill of the present invention also is provided with expansion mechanism and provides guarantee for lead band end product quality largely.

Claims

1. a tandem mill is used for rolling plumbous band, it is characterized in that described tandem mill comprises:

Frame;

Be used for driving the drive unit of each milling train work;

2. described tandem mill according to claim 1 is characterized in that each milling train in described the first milling train group and the second milling train group is double-roll rolling mill.

3. described tandem mill according to claim 1 is characterized in that, described drive unit is for being used for one by one corresponding some motors and the deceleration device thereof that drives described each milling train.

4. described tandem mill according to claim 1 is characterized in that, described tandem mill comprises that also be arranged on being used between the first milling train group and the second milling train group makes plumbous band keep straight expansion mechanism always, and it comprises:

Decide framework, be installed on the described frame;

5. described tandem mill according to claim 4 is characterized in that, described expansion mechanism also comprise for to the lead on the described gripper shoe with spacing pressing roll mechanism, it comprises: