CN218361333U - Metal belt guiding device and metal belt production line - Google Patents

Abstract

The utility model relates to a strap guiding device and strap production line belongs to metal calendering technical field, including arranging in the guiding mechanism of strap upside, guiding mechanism includes that at least one surface pulls belt drive mechanism, and surface pulls belt drive mechanism includes the surface traction area, and the theoretical position interval certain distance of surface traction area and strap is so that normal condition's strap freely passes through, and the linear velocity in surface traction area is not less than the production functioning speed of strap so that the strap that sticks up flattens under the traction of frictional force. The utility model provides a strap because of the strap vacate the air, pile up and twine the scheduling problem that the head leads to with follow-up position speed difference exists, make the strap head successfully wear the area rapidly, reduced the production accident and the down time that wear the area to cause, improved the productivity ratio of production line to reduced the product that causes because of the production accident and made useless the loss, thereby improved the metal yield, synthesized the production efficiency and the economic benefits who have improved the production line.

Description

Metal strip guiding device and metal strip production line

Technical Field

The utility model belongs to the technical field of the metal calendering, a strap guiding device and strap production line are related to.

Background

The short-flow continuous casting and rolling is a technology successfully developed in the end of the 80 th 20 th century, is a revolutionary technology in the field of ferrous metallurgy after converter steelmaking and full continuous casting, and leads the development direction of the steel manufacturing technology. The successful development of the method realizes the organic combination of thin-specification casting blank continuous casting and hot continuous rolling, and is a great breakthrough of near-net-shape manufacturing technology. The short-process continuous casting and rolling production technology is very beneficial to building energy-saving and environment-friendly society, and has more outstanding advantages compared with the traditional hot continuous rolling as the development trend of the future ferrous metallurgy technology. The endless or semi-endless production process of the short-flow continuous casting and rolling technology is benefited, the threading process with the highest failure rate in the conventional hot continuous rolling single block rolling process is avoided, and the rolling stability is greatly improved compared with that of the conventional hot continuous rolling.

When the short-process continuous casting and rolling is carried out in the headless or semi-headless production, the strip steel passes through the finishing mill set and is cooled to reach the target temperature through the laminar cooling control, the strip steel is cut by the shearing machine and then guided into different coiling machines to realize high-speed coiling, and the head of the next strip steel is moved to the coiling machine to be coiled through the shearing machine to carry out threading and coiling. The short-flow continuous casting and rolling production line is characterized by production of ultrathin strip steel, and in recent years, with continuous breakthrough of high-pulling-speed continuous casting technology, the production speed of the rolling line is continuously increased, and the problems of strip steel emptying, stacking, winding and the like are easily caused in the process that a strip head runs to a coiling machine after thin strip steel is sheared by a shearing machine, so that the production line is stopped due to accidents, and the economic benefit and the productivity benefit are reduced.

In order to solve the problem, in the prior art, a manner of ejecting fluid pressure and providing a mechanical limiting structure is adopted to prevent the tape head from warping, but the problem is not effectively solved from the application effect. In addition, with the progress of production technology, the drawing speed and the thickness of continuous casting billets are continuously broken through, in addition, the downstream market has higher requirements on ultrathin and ultrathin specification products in the trend of replacing cold with heat, the thickness of strip steel is continuously reduced, the speed of a production line is continuously improved, the problems of strip head emptying, stacking, winding and the like are more and more prominent during strip threading, and the production line has increased faults, so that the continuous casting billet has become a bottleneck restricting the high-efficiency production of ultrathin strip steel.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a strap guiding device and strap production line to there is the strap that the speed difference leads to because of head and follow-up position vacates, piles up and twines the problem when solving the threading strap.

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

a metal belt guiding device comprises a guiding mechanism arranged on the upper side of a metal belt, wherein the guiding mechanism comprises at least one surface traction belt transmission mechanism, the surface traction belt transmission mechanism comprises a surface traction belt, the surface traction belt is spaced from the theoretical position of the metal belt by a certain distance so as to enable the metal belt in a normal state to freely pass through, and the linear speed of the surface traction belt is not less than the production running speed of the metal belt so that the upwarped metal belt can be flattened under the traction of friction force.

Optionally, the guide mechanism is movable to be raised or lowered away from or closer to the metal strip as required by the production.

Optionally, the linear speed of the surface traction belt is adjustable.

Optionally, lateral limiting mechanisms are arranged on two sides of the surface traction belt to prevent the surface traction belt from deviating.

Optionally, the surface traction belt and the metal belt are arranged in parallel or obliquely; when arranged at an inclination, the distance between the surface traction belt and the metal belt is gradually reduced along the advancing direction of the metal belt.

Optionally, a roller conveyor or a guide mechanism is arranged on the lower side of the metal strip to convey the metal strip, and when the guide mechanism is arranged on the lower side of the metal strip, the number of surface traction belt transmission mechanisms of the guide mechanism on the upper side and the lower side of the metal strip is the same or different.

Optionally, the width of the surface traction band is not less than 0.3 times the width of the metal strip.

Optionally, the linear speed of the surface traction belt is 1 to 2 times the running speed of the metal belt production.

Optionally, the coefficient of friction between the surface traction belt and the metal belt is in the range of 0.2 to 0.9.

Optionally, the coefficient of friction between the surface traction belt and the metal belt is in the range of 0.5 to 0.7.

Optionally, the surface traction belt is made of a heat-resistant material, and the heat-resistant temperature is not lower than 850 ℃.

A metal strip production line comprises a plate blank thinning unit, a shearing machine and a coiling unit which are sequentially arranged along a rolling direction, wherein a metal strip guide device is arranged between the shearing machine and the coiling unit.

The beneficial effects of the utility model reside in that: the problems of emptying, stacking, winding and the like of the metal belt caused by the speed difference between the head part and the subsequent part of the metal belt are solved, the head part of the metal belt can be rapidly and successfully threaded, the production accidents caused by the threading failure are reduced, the downtime of a production line is further reduced, the production rate of the production line is improved, the waste loss of products caused by the production accidents is reduced, the metal yield is improved, and the production efficiency and the economic benefit of the production line are comprehensively improved.

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 schematic layout diagram of embodiment 1 of the present invention;

fig. 2 is a schematic layout diagram of embodiment 2 of the present invention;

fig. 3 is a schematic layout diagram of embodiment 3 of the present invention;

fig. 4 is a schematic layout diagram of embodiment 5 of the present invention;

fig. 5 is a schematic layout diagram of embodiment 6 of the present invention.

Reference numerals: the metal strip guiding device 1, the thinning unit 2, the shearing machine 3, the coiling unit 4, the metal strip 5, the conveying roller way 6, the first coiling machine 401, the first upper driving roller 1011, the second upper driving roller 1012, the upper surface traction belt 1013, the tension adjusting system 1014, the first lower driving roller 1021, the second lower driving roller 1022 and the lower surface traction belt 1023.

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.

Referring to fig. 1 to 5, a metal strip guiding apparatus includes a support and a guiding mechanism disposed on an upper side of a metal strip 5, wherein the guiding mechanism includes at least one surface traction strip transmission mechanism, the surface traction strip transmission mechanism includes a driving roller rotatably connected to the support, a surface traction strip, and a driving device for driving the driving roller to rotate to drive the surface traction strip to move, the surface traction strip is spaced from a theoretical position of the metal strip 5 by a certain distance to allow the metal strip 5 in a normal state to freely pass through, and a linear speed of the surface traction strip is not less than a production running speed of the metal strip 5 to flatten the upwarped metal strip 5 under traction of friction. Preferably, the linear speed of the surface traction belt is 1 to 2 times the production running speed of the metal belt 5.

The surface traction belt and the metal belt 5 of the utility model can be arranged in parallel or obliquely; when arranged obliquely, the distance between the surface traction belt and the metal belt 5 is gradually reduced in the advancing direction of the metal belt 5.

The utility model discloses a distance between surface traction area and the strap 5 can be fixed unchangeably, also can establish to adjustable mode, preferred adjustable mode to make things convenient for according to the thickness adjustment of strap 5 and the distance between strap 5.

The utility model discloses a width in surface traction area should be selected not to be less than 0.3 times of 5 width of strap, and the surface in surface traction area has certain roughness, and the coefficient of friction scope between 5 of strap is 0.2 ~ 0.9, preferred 0.5 ~ 0.7.

The utility model discloses a heat-resisting material is chooseed for use to the material in surface traction area, and heat-resisting temperature should not be less than 850 ℃ to guarantee that it can work in 750 ℃ - — -20 ℃ environment. It is also possible to optionally provide an internal cooling system inside the metal strip guide 1 to ensure its proper operation, if necessary.

The utility model discloses a width in surface traction area is metal tape width, metal tape thickness, metal tape speed, surface traction tape speed, the surface traction area and the strap 5 between coefficient of friction, the function of operating temperature.

The utility model discloses still can set up side direction stop gear in surface traction area both sides, side direction stop gear installs on the support to prevent that surface traction area off tracking.

The utility model discloses a strap guiding device 1 can be portable to according to production demand lifting or pushing down, can adopt unilateral swing arm formula structure, or two sides support over-and-under type structure realization. When the production line carries out threading, the device is pressed down to a working position, so that the threading is ensured to be successful; when the threading is successful, the device can be lifted to a standby position, so that the damage influence of high-temperature or severe working environment on the device is reduced, and the service life is prolonged.

The utility model discloses a surface traction belt drive mechanism's drive arrangement's output speed is adjustable to the linear velocity that makes the surface traction belt is adjustable.

The utility model discloses a conveyor for carrying strap 5 can be for setting up roller table conveyor or the guiding mechanism in strap 5 downside, when strap 5 downside sets up guiding mechanism, is located the same or different of the quantity of the guiding mechanism's of strap 5 upper and lower both sides surface traction belt drive mechanism.

The utility model also provides a metal strap production line, include slab attenuate unit, cutter 3 and the coiling unit 4 that sets up in order along rolling direction, be equipped with between cutter 3 and the coiling unit 4 as above metal strap guiding device 1.

The utility model discloses can be applied to the short flow production technology of strap, also can be used to the conventional technology production of strap. In the process of producing a metal strip, after the metal strip 5 is thinned by a final rolling mill, the metal strip 5 with qualified performance needs to be wound on a coiler unit 4. For guaranteeing that strap 5 shears the back through cutter 3, the head can be stabilized through 4 the place ahead passageways of coiling unit and reach coiling unit 4, the utility model discloses set up strap guiding device 1 in the passageway region, provide limiting displacement and the power that advances through this strap guiding device 1, avoid the regional vacation of strip coil head, pile up and the winding scheduling problem, avoid causing the production accident of production line.

According to the aerodynamic principle, when the metal strip 5 is conveyed, due to the plate shape problem (such as warping) of the metal strip and external friction or wind resistance, the strip head can be emptied, so that the horizontal speed of the strip head part is reduced, and the speed of the strip head is lower than that of the subsequent metal strip, so that the strip head can be emptied and arched, and then the strip head can collide with a surface traction belt transmission mechanism. The utility model discloses a surface traction belt drive mechanism with power supply transports strap 5, the head speed that makes strap 5 increases, avoid head and follow-up position to vacate because of there being strap 5 that the speed difference caused, pile up and winding scheduling problem, reduce the production accident of wearing the area to cause, make the strap head wear the area successfully rapidly, the down time of production line has been reduced, thereby the productivity ratio of production line has been improved, and the product that the production accident caused is reduced and the loss of making useless, thereby the yield is received to the improvement metal, the production efficiency and the economic benefits of production line have been improved synthetically.

The number of the surface traction belt transmission mechanisms of the utility model is positively correlated with the distance of the metal belt to pass through the belt; the power source of the surface traction belt transmission mechanism drives the surface traction belt transmission mechanism to rotate in a specification or irregular manner, and when the metal strip 5 contacts the surface traction belt transmission mechanism, the surface traction belt transmission mechanism can guide the metal strip 5 to advance along the production forward direction.

Example 1

As shown in fig. 1, a metal strip guiding device 1 is arranged between a shearing machine 3 and a coiling unit 4, and the guiding mechanisms on the upper side and the lower side of the metal strip only comprise a surface traction belt transmission mechanism, namely 1 surface traction belt transmission mechanism is arranged on the upper side and the lower side of a metal strip 5: an upper surface traction belt transmission mechanism and a lower surface traction belt transmission mechanism which are respectively positioned at the upper side and the lower side of the metal belt 5. Wherein, drive roller 1012 and upper surface traction area 1013 are constituteed on the upper surface traction area drive mechanism by first drive roller 1011, the second, and wherein the external motor drive of drive roller 1012 on first drive roller 1011 and the second has built inside cooling system inside the drive roller, guarantees its normal operating. The distance of the upper surface traction belt 1013 from the upstream (inlet) metal strip is 150mm, and the distance of the upper surface traction belt 1013 from the downstream (outlet) metal strip is 40mm. The lower surface traction belt transmission mechanism is composed of a first lower driving roller 1021, a second lower driving roller 1022 and a lower surface traction belt 1023, wherein the first lower driving roller 1021 and the second lower driving roller 1022 are externally connected with a motor for driving, and an internal cooling system is built inside the driving rollers to ensure normal operation of the driving rollers. Lower surface traction band 1023 is 150mm from the upstream (inlet) metal strip and lower surface traction band 1023 is 40mm from the downstream (outlet) metal strip. The thickness of the produced metal strip was 0.6mm, the temperature of the metal strip was 650 ℃, the width of the metal strip was 1300mm, the running speed of the metal strip was 16.1m/s, the linear speed of the upper surface drawing belt 1013 and the lower surface drawing belt 1023 was 16.905m/s, and the width was 600mm.

After the metal band is cut by the shearing machine 3, the band head starts to penetrate, the system sets the metal band guide device 1 to be adjusted from an opening standby position to a pressing working position in advance, and the stable penetration is guaranteed. After the threading is finished and the tape head is wound on the reel of the first coiler 401, the swing arm hydraulic cylinder of the metal tape guiding device 1 lifts the tape head to a standby position, and the high-temperature baking is reduced.

A metal strip guide device may be disposed between the coilers of the coiler group 4 as necessary.

Example 2

As shown in fig. 2, in comparison with embodiment 1, in embodiment 2, the guide mechanisms on the upper and lower sides of the metal belt each include 3 surface traction belt transmission mechanisms, that is, 3 surface traction belt transmission mechanisms are disposed on the upper and lower sides of the metal belt 5.

Example 3

As shown in fig. 3, in example 3, compared with example 1, the guide mechanism on the upper side of the metal strip includes 3 surface traction belt drive mechanisms, and the guide mechanisms on the lower side of the metal strip each include 1 surface traction belt drive mechanism.

Example 4

In comparison with example 1, example 4 produced a metal strip having a thickness of 0.6mm, a width of 1300mm, a running speed of 16.1m/s, linear speeds of 17.5m/s for the upper surface drawing belt 1013 and the lower surface drawing belt 1023, and a width of 400mm.

Example 5

As shown in fig. 4, in example 5, compared to example 1, the upper surface traction belt drive mechanism includes a tension adjustment system 1014, which can improve the loosening, extension, and shaking of the conveyor belt generated by the upper surface traction belt drive mechanism in a high operating speed and high temperature environment, and the tension is adjusted by adjusting the height of the tension roller of the tension adjustment system 1014, so that the metal belt guide apparatus can operate stably.

Example 6

As shown in fig. 5, in example 6, compared with example 1, the lower side of the metal strip 5 is provided with a roller conveyor 6, which has higher rigidity and supporting force than the surface traction and can convey the metal strip with larger unit mass. The linear speed of the conveying roller way is consistent with that of the surface traction belt.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. A metal strip guiding apparatus characterized by: the device comprises a guide mechanism arranged on the upper side of a metal belt, wherein the guide mechanism comprises at least one surface traction belt transmission mechanism, the surface traction belt transmission mechanism comprises a surface traction belt, the surface traction belt and the theoretical position of the metal belt are separated by a certain distance so as to enable the metal belt in a normal state to freely pass, and the linear speed of the surface traction belt is not less than the production running speed of the metal belt so that the upwarped metal belt is flattened under the traction of friction force.

2. A metal strip guiding apparatus as defined in claim 1, wherein: the guide mechanism is movable to be lifted or pressed down according to production requirements to be far away from or close to the metal strip.

3. A metal strip guiding apparatus as defined in claim 1, wherein: the linear speed of the surface traction belt is adjustable.

4. A metal strip guiding apparatus as defined in claim 1, wherein: lateral limiting mechanisms are arranged on two sides of the surface traction belt to prevent the surface traction belt from deviating.

5. A metal strip guiding apparatus as defined in claim 1, wherein: the surface traction belt and the metal belt are arranged in parallel or obliquely at theoretical positions; when arranged at an inclination, the distance between the surface traction belt and the metal belt is gradually reduced along the advancing direction of the metal belt.

6. A metal strip guiding apparatus as defined in claim 1, wherein: the roller bed conveying device or the guide mechanism is arranged on the lower side of the metal belt to convey the metal belt, and when the guide mechanism is arranged on the lower side of the metal belt, the surface traction belt transmission mechanisms of the guide mechanisms on the upper side and the lower side of the metal belt are the same or different in number.

7. A metal strip guiding apparatus as defined in claim 1, wherein: the width of the surface traction belt is not less than 0.3 time of the width of the metal belt, and the linear speed of the surface traction belt is 1-2 times of the production running speed of the metal belt; the friction coefficient between the surface traction belt and the metal belt is in the range of 0.2-0.9.

8. A metal strip guiding apparatus as defined in claim 1, wherein: the friction coefficient between the surface traction belt and the metal belt ranges from 0.5 to 0.7.

9. A metal strip guiding apparatus as defined in claim 1, wherein: the surface traction belt is made of heat-resistant material, and the heat-resistant temperature is not lower than 850 ℃.

10. The utility model provides a metal strip production line, includes slab attenuate unit, cutter and the coiling machine group that sets up in order along rolling direction, its characterized in that: a metal strip guide as claimed in any one of claims 1 to 9 between the shear and the coiler group.

Images