CN217095098U

CN217095098U - Integrated anti-winding guide plate for wet leveling and wet leveling machine

Info

Publication number: CN217095098U
Application number: CN202120949635.1U
Authority: CN
Inventors: 祝翠荣
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-08-02
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to a be used for wet smooth integrated form to prevent twining baffle, include the baffle body on the guide plate frame and locate the guide plate frame, the scraper has still been installed to the face of putting on the shelf of guide plate frame, the scraper is in mounted position on the guide plate frame satisfies: when the guide plate body is at the working position close to the working roller, the edge end of the scraper is contacted with the roller surface of the working roller. It also relates to a wet temper mill equipped with the integrated anti-wrap guide. In the utility model, while the basic function of the anti-winding guide plate is ensured, the leveling liquid collected on the roll surface of the working roll can be scraped off by arranging the scraper on the guide plate frame, so that the removal effect of the leveling liquid is improved, and the residue of the leveling liquid in a roll system is reduced, thereby improving the surface quality of the strip steel; adopt the integrated form to prevent twining the baffle, reduce the equipment quantity of levelling machine outlet side effectively, adapt to the limited condition in levelling machine outlet side upper portion space betterly, the field management of being convenient for.

Description

Integrated anti-winding guide plate for wet leveling and wet leveling machine

Technical Field

The utility model belongs to the technical field of the metallurgical equipment, concretely relates to be used for wet smooth integrated form to prevent twining the baffle and dispose the wet levelling machine that this integrated form prevented twining the baffle.

Background

The flattening process can effectively eliminate the yield platform of the strip steel and improve the plate shape, is an important process of cold rolling the strip steel, and is commonly used by a single-stand flattening machine, a continuous flattening unit and the like. In order to improve the cleanness, the rust prevention function and the like of the surface of the strip steel, a wet temper rolling process is mostly adopted, temper rolling liquid has the functions of lubricating and cooling the strip steel and a roller system, and residues such as iron powder, residual carbon and the like generated in the rolling process are cleaned to play a role in rust prevention.

The large-flow wet leveling jet quantity can better play a cleaning role, but the high-quality automobile outer plate hardly allows leveling liquid residue on the surface of the strip steel so as to prevent corrosion caused by water. For the situation, in production, a plurality of air purging beams such as a roll gap purging beam, a plate surface purging beam, an edge blowing beam and the like are mostly arranged at the outlet of the temper mill and used for drying the surface of the strip steel; the roll gap purging beam is mainly used for purging the leveling liquid brought from the inlet of each roll gap; the upper and lower plate surface blowing beams are generally arranged behind a crease-resist roller or a rolling line roller of the frame and used for blowing the wet strip steel surface; the edge blowing device is used for performing enhanced blowing on the edge of the strip steel and further blowing off the liquid on the edge. At present, with the gradually increasing requirements on the surface quality of strip steel, the standard for leveling liquid or emulsion residue is improved, and the removal effect of the leveling liquid needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a wet levelling machine that is used for wet smooth integrated form to prevent twining the baffle and dispose this integrated form and prevent twining the baffle can solve prior art's partial defect at least.

The utility model relates to a be used for wet smooth integrated form to prevent twining baffle, include the baffle body on the guide plate frame and locate the guide plate frame, the scraper has still been installed to the face of putting on the shelf of guide plate frame, the scraper is in mounted position on the guide plate frame satisfies: when the guide plate body is at the working position close to the working roller, the edge end of the scraper is contacted with the roller surface of the working roller.

In one embodiment, the scraper includes two sets of edge cutters, and the two sets of edge cutters are respectively mounted on the upper frame surface of the guide plate frame through a cutter holder and are spaced apart from each other along the width direction of the guide plate frame at two edges of the guide plate frame.

As an embodiment, the upper frame surface of the guide plate frame is also provided with an upper purging beam, and the installation position of the upper purging beam on the guide plate frame satisfies the following conditions: when the guide plate body is located at the working position, the upper purging beam at least can purge the middle roller surface of the working roller.

In one embodiment, the mounting positions of the upper purging beams on the guide plate frame are adjustable, and the mounting positions of the upper purging beams are arranged in sequence and the arrangement direction is perpendicular to the axial direction of the wind beam.

As one embodiment, the device also comprises a flow guide mechanism for collecting the scraped leveling liquid and guiding out the leveling liquid.

As one of the implementation mode, water conservancy diversion mechanism includes L type fender liquid board, keep off the liquid board including the dress fix the deflector body of the face of putting on the shelf of deflector frame and from the one end that is close to the baffle body of this deflector body upwards the protruding backstop riser that extends, the face slope of deflector body is to the baffle frame edge side.

As one embodiment, the guide plate frame is further provided with a lower purging beam, and the installation position of the lower purging beam on the guide plate frame satisfies the following conditions: when the guide plate body is located at the working position, the lower purging beam can purge the upper surface of the strip steel.

The utility model discloses still relate to a wet levelling machine, include the frame and arrange last work roll and lower work roll in the frame, the top butt of going up the work roll has the top suspension runner or is equipped with middle roll and top suspension runner in proper order, is arranged as above at the frame outlet side be used for wet even integrated form prevent twining the baffle.

The utility model discloses following beneficial effect has at least:

in the utility model, while the basic function of the anti-winding guide plate is ensured, the leveling liquid collected on the roll surface of the working roll can be scraped off by arranging the scraper on the guide plate frame, so that the removal effect of the leveling liquid is improved, and the residue of the leveling liquid in a roll system is reduced, thereby improving the surface quality of the strip steel; adopt integrated form to prevent twining the baffle, reduce the equipment quantity of levelling machine outlet side effectively, adapt to the limited condition in levelling machine outlet side upper portion space betterly, the field management of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.

Fig. 1 is a schematic structural view of a wet temper mill according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion M of FIG. 1;

fig. 3 is a schematic structural diagram of a pillow block according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the wind beam provided by the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, 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 efforts belong to the protection scope of the present invention.

Example one

As fig. 1 and 2, the embodiment of the utility model provides a be used for wet smooth integrated form to prevent twining baffle 1, including baffle frame 11 and locate baffle body 12 on the baffle frame 11, scraper 13 has still been installed to the face of putting on the shelf of baffle frame 11, scraper 13 is in mounting position on the baffle frame 11 satisfies: when the guide plate body 12 is at the working position close to the working roller 21, the edge end of the scraper 13 is in contact with the roller surface of the working roller 21.

The guide plate frame 11 is a conventional device in the art, and is generally driven by a driving member such as an air cylinder, etc. to move the guide plate body 12 and other components so as to be close to or far away from the roller system; the guide plate body 12 is also a conventional component in the art, and is generally an arc-shaped guide plate capable of fitting the roll surface of the working roll, and is driven by the guide plate frame 11 to be in the working position during rolling, and is close to the roll surface of the working roll but keeps a proper gap so as to avoid interference on the working roll 21, so that the guide plate body is used for preventing strip steel from being wound on the roll surface to damage the roll during strip breakage, and can play a role in protecting the roll system.

It can be understood that the scraper 13 is used to contact the surface of the work roll 21 at a position above the guide body 12 to scrape off the leveling liquid collected on the surface of the work roll and reduce the residue of the leveling liquid in the roll system.

In one embodiment, the length of the edge of the doctor blade 13 may cover the axial length of the roll surface of the work roll 21, and the doctor blade 13 may scrape off the leveling liquid on the roll surface of the work roll, for example, the doctor blade 13 may be a continuously extending blade; in other alternative embodiments, the scraper 13 includes a plurality of blades, two adjacent blades are arranged in a staggered manner in the circumferential direction of the work roll 21, that is, the distance between the two adjacent blades and the guide plate frame 11 is unequal, so that the contact positions of the two blades and the roll surface of the work roll are staggered in the circumferential direction of the work roll 21, and meanwhile, the scraping areas of the two adjacent blades in the axial direction of the work roll 21 are overlapped to a certain extent, that is, in the two adjacent blades, the distance between the right end of the left blade and the left end of the work roll 21 is not equal to the distance between the left end of the right blade and the left end of the work roll 21, based on the design, the contact positions of the scraper 13 and the work roll 21 are dispersed, thereby effectively reducing the interference of the scraper 13 on the work roll 21, and simultaneously avoiding the occurrence of blade breakage, damage and the like caused by the excessive stress of the work roll 21, and the staggered blades can ensure the scraping effect of the leveling liquid, the reliability is higher.

In another embodiment, as shown in fig. 2, the scraper 13 includes two sets of edge cutters 131, and the two sets of edge cutters 131 are respectively mounted on the upper surface of the guide plate frame 11 through tool holders 132 and are spaced apart from each other along the width direction of the guide plate frame 11 at two edges of the guide plate frame 11. In practical production, the applicant finds that the leveling liquid is mainly brought from the edge of the strip steel to the middle of the strip steel, and the leveling liquid is more collected on the edge roller surfaces of the working rollers 21, so that the scheme is designed in a targeted manner, and the leveling liquid removing effect of the working rollers 21 is ensured by performing liquid removing operation on the edge roller surfaces of the working rollers 21 through the two sets of edge cutter bodies 131.

Further, the anti-winding guide plate 1 further comprises a flow guide mechanism used for collecting the scraped leveling liquid and guiding out the leveling liquid, so that the working continuity of the scraper 13 is guaranteed, and the scraped leveling liquid is prevented from dripping onto the strip steel again.

In one embodiment, as shown in fig. 2, the flow guiding mechanism includes an L-shaped liquid baffle 133, the liquid baffle 133 includes a flow guiding plate body mounted and fixed on the upper frame surface of the guide plate frame 11 and a stop vertical plate protruding upwards from one end of the flow guiding plate body close to the guide plate body 12, and the surface of the flow guiding plate body slopes to the edge side of the guide plate frame 11; wherein, preferably, the edge end of the scraper 13 is located right above the corner/deflector body of the liquid baffle 133, so that the scraped leveling liquid can drop onto the liquid baffle 133 under the action of self-weight. Obviously, the liquid baffle 133 is close to the front end of the guide plate frame 11, and should avoid the contact between the baffle plate and the working roller 21 so as not to cause interference.

In another embodiment, as shown in fig. 2, the diversion mechanism further includes a liquid guiding groove 134, the liquid guiding groove 134 is connected to the lower surface of the edge cutter body 131 so as to form a vacuum adsorption cavity with the edge cutter body 131, a front end groove plate (i.e., an end close to the work roll 21) of the liquid guiding groove 134 is close to the edge end of the edge cutter body 131 and has a certain distance with the lower surface of the edge cutter body 131 so as to form a vacuum adsorption port, and the leveling liquid scraped by the edge cutter body 131 can be adsorbed through the vacuum adsorption port by creating a vacuum negative pressure environment in the vacuum adsorption cavity, so as to collect and guide the leveling liquid. Further, the liquid guide groove 134 is mounted on the tool rest 132 to support the side blade body 131, thereby ensuring structural stability and operational reliability of the side blade body 131.

Particularly, the passive diversion scheme of the liquid baffle plate 133 is combined with the vacuum adsorption type active liquid absorption diversion scheme, so that the leveling liquid can be completely guided out, and the leveling liquid is prevented from dripping onto the strip steel again due to insufficient diversion capability of the liquid baffle plate 133, the height of the stop vertical plate of the liquid baffle plate 133 can be reduced, and the damage to equipment due to interference between the stop vertical plate and the working roller 21 is avoided.

Considering the abrasion of the scraper 13, the installation position of the scraper 13 on the guide plate frame 11 can be adjusted, the position of the scraper 13 can be timely adjusted according to the abrasion condition of the scraper 13, and the scraper 13 can be ensured to be always in contact with the roll surface of the working roll; for the position adjustable mode, a manual adjustment mode can be adopted, for example, the tool apron 132 is installed on the guide plate frame 11 through a bolt, the fixing position of the adjusting bolt can achieve the purpose of adjusting the position of the scraper, when an automatic adjustment mode is adopted, for example, the adjusting is carried out through linear driving equipment such as an air cylinder/a hydraulic cylinder, and whether the scraper 13 is enabled to be put into operation or not can be selected according to the collecting condition of the leveling liquid on the working roll 21.

Further optimizing the above structure, as shown in fig. 2, the upper rack surface of the guide plate rack 11 is further provided with an upper purging beam 14, and the installation position of the upper purging beam 14 on the guide plate rack 11 satisfies: when the guide plate body 12 is in the working position, the upper purging beam 14 can at least purge the middle roll surface of the working roll 21. Further preferably, the upper purging beam 14 can purge the roll gap between the working roll 21 and the adjacent roll 22, so that the leveling liquid is prevented from being collected at the roll gap; when a four-roll system is used, the adjacent roll 22 is a backup roll, and when a six-roll system is used, the adjacent roll 22 is an intermediate roll. When the scraper 13 works stably, the leveling liquid on the two side edges of the working roll 21 can be reliably scraped, and the sweeping width of the upper sweeping beam 14 can cover the window area between the two sets of edge cutters 131; of course, when the purge width of the upper purge beam 14 can cover the entire length of the work roll 21, the effect of removing the leveler can be further improved. By combining the edge cutter body 131 with the upper purging beam 14, the interference of the scraper 13 on the work of the working roll 21 can be reduced under the condition of ensuring the removal effect of the leveling liquid, and the conditions of cutter breakage, damage and the like caused by overlarge stress on the working roll 21 are avoided; meanwhile, the sweeping beam sweeping mode is completely avoided, and the energy-saving effect is better.

Further preferably, the installation position of the upper purging beam 14 on the guide plate frame 11 is adjustable, the installation positions of the upper purging beam 14 are sequentially arranged and the arrangement direction is perpendicular to the axial direction of the wind beam, the installation position of the upper purging beam 14 can be adjusted according to actual needs, and a proper position is selected for purging, so that the purging effect can be improved.

Further optimize the structure of above-mentioned anti-winding baffle 1, as fig. 2, still install down on the baffle frame 11 and sweep roof beam 15, sweep roof beam 15 down and be in the mounted position on the baffle frame 11 satisfies: when the guide plate body 12 is in the working position, the lower purging beam 15 can purge the upper surface of the strip steel. The lower blowing beam 15 is preferably installed on the lower frame surface of the guide plate frame 11 to facilitate the equipment integration layout and installation of the anti-tangling guide plate 1.

The anti-winding guide plate 1 provided by the embodiment integrates multiple functions of purging and removing liquid, scraping and removing liquid and the like while ensuring the basic functions, obviously improves the removal effect of the leveling liquid, and improves the surface quality of the strip steel; effectively reduce the equipment quantity of levelling machine outlet side, better adapt to the limited condition in levelling machine outlet side upper portion space, the field management of being convenient for.

Example two

The present embodiment provides a purging device, which can be used as the upper purging beam 14 and/or the lower purging beam 15 in the first embodiment.

The blowing device comprises an air beam and a mounting base suitable for being mounted on a guide plate frame 11, wherein a plurality of blowing nozzles 107 are arranged on the air beam, a plurality of air beam mounting positions are arranged on the mounting base, the air beam mounting positions are sequentially arranged, the arrangement direction of the air beam mounting positions is perpendicular to the axial direction of the air beam, and the air beam is selectively mounted on one of the air beam mounting positions.

The air beam is generally in a tubular structure, the blowing nozzles 107 are communicated with the pipe cavity of the air beam, and blowing media can be sprayed out through the blowing nozzles 107 through the air beam. Compressed air is generally used as the purging medium.

According to the purging device provided by the embodiment, the mounting positions of the air beams can be adjusted according to actual needs by arranging the plurality of air beam mounting positions on the mounting base, and a proper position is selected for purging, so that the purging effect of each purging nozzle 107 can be improved; and the installation position of the wind beam can be conveniently and adaptively adjusted according to the use place of the blowing device, so that the application range of the blowing device is improved.

In one embodiment, the wind beams are rotatably mounted on the corresponding wind beam mounting positions, and the purpose of adjusting the purging angle of each purging nozzle 107 can be achieved by rotating the wind beams, so that the purging effect of each purging nozzle 107 can be further improved.

It is further preferred that each of the purge nozzles 107 is a short nozzle, but when the space around the purge device is limited, the short nozzle ensures that the rotation of the wind beam does not interfere with surrounding equipment or the band steel. Alternatively, the purge nozzle 107 may be a male nipple type nozzle, which is small in size.

The above purging device is further optimized, the mounting base comprises two pillow blocks suitable for being mounted on the guide plate frame 11, a plurality of spindle head clamping positions 104 are arranged on each pillow block, the spindle head clamping positions 104 on the two pillow blocks are coaxially opposite one to one, each two coaxially opposite spindle head clamping positions 104 form one wind beam mounting position, and spindle heads at two ends of each wind beam are respectively arranged on the corresponding two spindle head clamping positions 104. In the above-mentioned solution of rotatable mounting of the wind beam, the wind beam head is rotatably mounted on the corresponding head mounting clamp 104. The wind beams are installed in a suspended mode through the two shaft platforms, so that the space required by the installation of the wind beams can be further reduced, and particularly the space in the thickness direction of the installation base is reduced.

In order to facilitate the position adjustment of the wind beam, it is obviously preferable that the wind beam is convenient to be assembled and disassembled from the pillow block, in one embodiment, as shown in fig. 3, the pillow block comprises a pillow block base 101 suitable for being installed on the jig frame 11 and a pillow block pressing plate 102 detachably installed on the pillow block base 101, a locking screw 103 for abutting against the head of the wind beam is arranged at each head clamping position 104, and each locking screw 103 is screwed on the pillow block pressing plate 102. Correspondingly, the spindle nose clamping position 104 can be designed to be a spindle nose mounting groove formed in the pillow block base 101, and the spindle nose mounting groove can be an arc-shaped groove or a rectangular groove; although the wind beam shaft head can be reliably limited through the locking screw 103, in the embodiment, the shaft platform pressing plate 102 is preferably capable of contacting with the outer wall of the wind beam, so that the mounting structure of the wind beam is more stable, that is, the distance between the pressing surface of the shaft head pressing plate and the bottom of the shaft head mounting groove is smaller than the diameter of the wind beam shaft head.

It will be appreciated that the sweep range of each sweep nozzle 107 on the wind beam can cover the maximum design bandwidth (for the lower sweep beam). Preferably, as shown in fig. 4, the wind beam includes a middle section 105 and two side sections 106, the two side sections 106 are respectively arranged at two sides of the middle section 105, and each of the purge nozzles 107 includes a plurality of middle nozzles arranged on the middle section 105 and a plurality of side nozzles arranged on the two side sections 106; the number of the purging nozzles 107 which are put into purging can be reasonably selected relatively according to the width of the current strip steel without opening the whole width, and the effect of saving more energy can be achieved, so that the middle section 105 and the edge section 106 can independently supply purging media respectively, and the pressure and the flow rate of the purging media can be respectively adjusted, so that the better purging effect can be achieved, and the air consumption and the noise can be reduced; i.e. the middle section 105 and the edge section 106 are connected with purging medium pipes, respectively.

Further preferably, as shown in fig. 4, each edge section 106 includes a plurality of edge subsections 1061, and each edge subsection 1061 independently supplies a purging medium, so that the number of purging nozzles 107 to be purged can be further selected according to the current strip width, and the energy saving effect is better.

Generally, the purge range of the middle section 105 may generally cover, and generally be wider than, the minimum design bandwidth. However, in practical production, the applicant finds that the leveling liquid is mainly brought from the edge of the strip steel to the middle of the strip steel, and in addition, a certain negative pressure is formed at the position of a roll gap between the strip steel at the outlet side and a roller in a high-speed running state of the roller system and the strip steel, so that the external air tends to be supplemented to the middle of the strip steel, and the leveling liquid tends to move to the middle of the strip steel; therefore, in this embodiment, the edge section 106 is purged to blow the leveling liquid off the surface of the strip, and the middle section 105 is purged to maintain a positive pressure in the roll gap region between the middle of the strip on the outlet side and the work rolls 21, so as to prevent the leveling liquid from moving toward the middle of the strip. Wherein, the edge section 106 adopts a larger purging pressure to form a large purging force, in this embodiment, the purging pressure of the edge section 106 is in a range of 3 to 6 bar; the middle section 105 can adopt relatively small pressure, and in the embodiment, the purging pressure of the middle section 105 is in the range of 2-4 bar; in one embodiment, the purging area of the middle section 105 is within the minimum design bandwidth and the distance between the boundaries is within the range of 100-150 mm, so that the number of purging nozzles 107 and the air consumption can be further reduced while achieving the purpose of keeping the roll gap area between the middle of the strip on the outlet side and the work roll 21 in a positive pressure environment.

EXAMPLE III

As fig. 1, the embodiment of the present invention provides a wet temper mill, including the frame and arranging the upper work roll 21 and the lower work roll in the frame, the top butt of the upper work roll 21 has the adjacent roll 22, and this adjacent roll 22 is the upper support roll or the upper middle roll, and when this adjacent roll 22 is the upper middle roll, there is the upper support roll in the top butt of the upper middle roll, and the integrated form anti-winding guide plate 1 for wet temper mill that is provided by the above-mentioned embodiment is arranged at the frame outlet side.

When the wet temper mill is started, the temper fluid can flow from gaps on two sides of the width of the strip steel to a strip steel outlet, and meanwhile, a part of the temper fluid can be collected at the roll gap between the working roll 21 and the adjacent roll 22 (supporting roll or middle roll) along with the rotation of the roll surface. Adopt above-mentioned integrated form to prevent twining baffle 1 can realize the flattening liquid of belted steel operation passageway upside well and get rid of, because the arrangement space is sufficient relatively, can adopt conventional structural arrangement mode can, do not detailed in this embodiment.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a baffle is prevented twining by integrated form for wet leveling, includes the baffle frame and locates the baffle body on the baffle frame, its characterized in that, the scraper has still been installed to the face of putting on the shelf of baffle frame, the scraper is in mounted position on the baffle frame satisfies: when the guide plate body is at the working position close to the working roller, the edge end of the scraper is contacted with the roller surface of the working roller.

2. The integrated anti-wrap guide of claim 1 wherein: the scraper comprises two sets of side cutter bodies, wherein the two sets of side cutter bodies are respectively installed on the upper frame surface of the guide plate frame through the cutter seats and are distributed on two sides of the guide plate frame at intervals along the width direction of the guide plate frame.

3. The integrated anti-winding guide plate according to claim 2, wherein the upper frame surface of the guide plate frame is further provided with an upper blowing beam, and the installation position of the upper blowing beam on the guide plate frame satisfies that: when the guide plate body is located at the working position, the upper purging beam at least can purge the middle roller surface of the working roller.

4. An integrated anti-wrap guide as set forth in claim 3, wherein: the installation positions of the upper sweeping beams on the guide plate frame are adjustable, and the installation positions of the upper sweeping beams are sequentially arranged and the arrangement direction of the upper sweeping beams is vertical to the axial direction of the wind beam.

5. The integrated anti-wrap guide of claim 2 wherein: the device also comprises a flow guide mechanism for collecting the scraped leveling liquid and guiding out the leveling liquid.

6. The integrated anti-wrap guide of claim 5 wherein: the water conservancy diversion mechanism includes L type fender liquid board, it fixes to keep off the liquid board including pasting the dress the baffle body of the face of putting on the shelf of baffle frame and the backstop riser that upwards protrusion extended from the one end that is close to the baffle body of this baffle body, the face slope of baffle body is to baffle frame edge side.

7. The integrated anti-winding guide plate according to claim 1, wherein the guide plate frame is further provided with a lower purging beam, and the installation position of the lower purging beam on the guide plate frame satisfies the following conditions: when the guide plate body is located at the working position, the lower purging beam can purge the upper surface of the strip steel.

8. The utility model provides a wet levelling machine, includes the frame and arranges last working roll and lower working roll in the frame, the top butt of going up the working roll has the upper support roller or is equipped with middle roller and upper support roller in proper order, its characterized in that: an integrated anti-wrap guide for wet levelling as claimed in any one of claims 1 to 7 is arranged on the exit side of the machine frame.