CN210765466U - Anti-nodulation sink roller structure - Google Patents

Abstract

The utility model discloses a prevent tumour sink roll structure relates to hot-galvanize technical field. The utility model comprises a roller body; the side surface of the roller body is sleeved with a roller sleeve; external threads are arranged on the circumferential side surfaces of the two ends of the roller body, and the roller body is connected with a fixed sleeve through the external threads; the circumferential side surface of the roller sleeve is provided with spiral grooves from the axial symmetrical central line to the two ends; the outer diameter of the fixed sleeve is smaller than that of the roller sleeve; a plurality of blades are uniformly distributed on the circumferential side surface of the fixed sleeve. The roller sleeve is sleeved on the roller body, so that the problem that the existing sink roller is integrated and needs to be integrally replaced, and the production cost is high is solved; the roller sleeve is provided with the spiral groove, and the peripheral side face of the fixed sleeve is provided with the blades, so that the problems that the flow velocity of zinc liquid at two ends of the existing sink roller is relatively slow, zinc slag and zinc slag accumulation are easily generated, and the product quality is influenced are solved.

Description

Anti-nodulation sink roller structure

Technical Field

The utility model belongs to the technical field of the hot-galvanize, especially, relate to a prevent tumour sink roll structure.

Background

The sink roll is one of important equipment on a hot galvanizing line, and the sink roll needs to be wholly immersed in molten zinc liquid during production and rotates along with the molten zinc liquid under the dragging of a galvanized sheet.

In the prior art, when zinc liquid is stirred and adhered to the surface of a plate to be galvanized, redundant zinc liquid enters the end part of a roller body under the rotation action of a sink roller and is conveyed to the end part of the roller body along with the rotation direction of a spiral groove, and the surface nodulation of the zinc liquid on the sink roller is avoided, when the method is adopted, more particles in the zinc liquid are gathered at the end part of the sink roller, the particles fall onto the sink roller in the sinking process, and are adhered to the surface of the sink roller or strip steel under the tension extrusion of the strip steel, so that the surface quality of the strip steel is seriously influenced; and the flow rate of the zinc liquid at the two ends of the sink roll is relatively slow, so that the cold and hot zinc liquid is uneven, and the probability of zinc slag generation of the zinc liquid is increased.

Current sink roll is mostly the integral type, when there is the nodulation on sink roll surface, needs to change sink roll, leads to manufacturing cost to increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-nodulation sink roll structure, which solves the problems that the prior sink roll is integrated and needs to be integrally replaced, thus leading to high production cost by sleeving a roll sleeve on a roll body; the roller sleeve is provided with the spiral groove, and the peripheral side face of the fixed sleeve is provided with the blades, so that the problems that zinc liquid at two ends of the existing sink roller is relatively slow in flow speed, and zinc slag accumulation are easily generated are solved.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an anti-nodulation sink roll structure, which comprises a roll body; the two ends of the roller body are fixedly connected with rotating shafts; the roller sleeve is sleeved on the circumferential side surface of the roller body; external threads are arranged on the circumferential side surfaces of the two ends of the roller body, and the roller body is connected with a fixed sleeve through the external threads;

the circumferential side surface of the roller sleeve is provided with spiral grooves from the axial symmetrical central line to two ends; the cross section area of the spiral groove is gradually increased from the axial symmetry center line to the end part;

the inner wall of the fixed sleeve is provided with an internal thread matched with the external thread; a flange is arranged on one end face of the fixed sleeve, and a shaft sleeve matched with the rotating shaft is fixedly connected through the flange;

the outer diameter of the fixed sleeve is smaller than that of the roller sleeve; the side surface of the periphery of the fixed sleeve is uniformly provided with a plurality of blades, and the blades are obliquely arranged relative to the axis of the fixed sleeve.

Furthermore, the cross section of the spiral groove is in the shape of a right triangle, and the right-angle side is positioned on one side close to the axial symmetry center line.

Furthermore, the section of the spiral groove is rectangular, and an inclined surface is arranged between the inner wall of one side of the spiral groove, which is far away from the axial symmetry center line, and the peripheral side surface of the roller sleeve.

Further, the flange side surface is circumferentially arrayed with a plurality of threaded through holes.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the helicla flute in roller shell week side, set up the blade on the fixed cover week side at both ends, improved the zinc liquid velocity of flow at roller shell surface and both ends, improved the cold and hot homogeneity of zinc liquid, reduced the probability that the zinc liquid produced the zincilate, the effectual condition that reduces the roller shell surface and produce the nodulation takes place.

2. The utility model discloses a establish the roller shell at roller body week side cover, when the roller shell need be maintained or change, only need dismantle the roller shell can, avoided the whole change of sink roll, the effectual manufacturing cost that has reduced.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a roller body;

FIG. 3 is a schematic view of the structure of the roll shell;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is another embodiment of a roll shell;

FIG. 6 is an enlarged view of the portion B of FIG. 5;

fig. 7 is a schematic structural view of the pouch;

in the drawings, the components represented by the respective reference numerals are listed below:

1-roller body, 2-roller sleeve, 3-fixing sleeve, 101-rotating shaft, 102-external thread, 201-spiral groove, 301-flange, 302-shaft sleeve, 303-blade, 2011-inclined surface and 3011-threaded through hole.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "one end", "middle", "length", "inner", "peripheral side", and the like indicate positional or positional relationships for convenience of description, and to simplify the description, but do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The utility model relates to an anti-nodulation sink roll structure, which comprises a roll body 1 as shown in figures 1 and 2; the two ends of the roller body 1 are fixedly connected with rotating shafts 101; the side surface of the periphery of the roller body 1 is sleeved with a roller sleeve 2; external threads 102 are arranged on the circumferential side surfaces of two ends of the roller body 1, and the roller body is connected with a fixed sleeve 3 through the external threads 102;

during installation, the roller sleeve 2 is sleeved on the circumferential side surface of the roller body 1, the fixed sleeve 3 is matched with the external threads 102, and the fixed sleeve 3 is used for extruding and fixing the end surfaces of two ends of the roller sleeve 2;

the circumferential side surface of the roller sleeve 2 is provided with spiral grooves 201 from the axial symmetrical central line to two ends; the cross section area of the spiral groove 201 is gradually increased from the axial symmetry center line to the end part, and the cross section area of the spiral groove 201 is gradually increased, so that the conveying capacity of zinc liquid from the middle part of the roller sleeve 2 to the two ends can be improved, and the fluidity of the zinc liquid is improved; meanwhile, the pitch of the spiral groove 201 can also be gradually increased from the axial symmetry center line to the end part, so that the conveying capacity of the zinc liquid is further improved, and the zinc liquid is prevented from being accumulated at the two ends;

preferably, as shown in fig. 3 and 4, the cross-sectional shape of the spiral groove 201 is a right triangle, and the right-angled side is located at one side close to the axial symmetric center line, and the inclined plane at one side is the advancing direction of the zinc liquid stirred by the spiral groove 201, so that the zinc liquid flows more conveniently, the generation of turbulent flow is reduced, and the flow of the zinc liquid is more facilitated.

Preferably, as shown in fig. 5 and 6, the cross section of the spiral groove 201 may also be rectangular, and an inclined surface 2011 is arranged between the inner wall of the spiral groove 201 on the side away from the axially symmetric center line and the circumferential side surface of the roller sleeve 2, when the cross section of the spiral groove 201 is rectangular, the conveying capacity of the molten zinc can be improved, and meanwhile, the arrangement of the inclined surface 2011 is also beneficial to the flow of the molten zinc, so that the surface nodules on the roller sleeve 2 are effectively avoided, and the product quality and the production efficiency are effectively improved; meanwhile, when the roller sleeve 2 needs to be maintained or replaced, only the roller sleeve 2 needs to be disassembled, so that the overall replacement of the sink roller is avoided, and the production cost is effectively reduced.

As shown in fig. 7, the inner wall of the fixing sleeve 3 is provided with an internal thread matching the external thread 102; a flange 301 is arranged on one end face of the fixed sleeve 3, a shaft sleeve 302 matched with the rotating shaft 101 is fixedly connected through the flange 301, and a clamping part for fixing a wrench is arranged on the peripheral side face of the shaft sleeve 302; the fixing sleeve 3 is driven to rotate by rotating the shaft sleeve 302 through the wrench, so that the fixing sleeve 3 is connected to two ends of the roller body 1 through thread fit, and the roller sleeve 2 is limited and fixed;

the outer diameter of the fixed sleeve 3 is smaller than that of the roller sleeve 2, so that the interference on the surface of the steel belt is avoided; a plurality of blades 303 are uniformly distributed on the peripheral surface of the fixed sleeve 3, and the blades 303 are obliquely arranged relative to the axis of the fixed sleeve 3;

the blade 303 that the slope set up, along with roll body 1 rotates, carries the zinc liquid at 2 both ends of roll sleeve to axis of rotation 101 direction, and further play the effect to zinc liquid stirring and transport, will carry to the zinc liquid at both ends by roll sleeve 2, carry out the transport of further stirring to improve the cold and hot homogeneity of zinc liquid, reduced the probability that the zinc liquid produced the zinc dross, the effectual condition that has reduced 2 surfaces of roll sleeve and produced the nodulation takes place.

Preferably, the circumferential array of the side surface of the flange 301 is provided with two to four thread through holes 3011, the thread through holes 3011 are matched with screws, after the roller sleeve 2 and the fixed sleeve 3 are mounted, the screws are screwed in the thread through holes 3011, the end surface of the roller body 1 is pressed by the screws, the fixed sleeve 3 is pre-tightened, the situation that the fixed sleeve 3 is loosened in the using process is avoided, and the using stability and reliability are improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. An anti-nodulation sink roll structure comprises a roll body (1); two ends of the roller body (1) are fixedly connected with rotating shafts (101); the method is characterized in that: the side surface of the periphery of the roller body (1) is sleeved with a roller sleeve (2); external threads (102) are arranged on the circumferential side surfaces of two ends of the roller body (1), and the roller body is connected with a fixed sleeve (3) through the external threads (102);

the circumferential side surface of the roller sleeve (2) is provided with spiral grooves (201) from the axial symmetrical central line to two ends; the cross section area of the spiral groove (201) is gradually increased from the axial symmetry center line to the end part;

the inner wall of the fixed sleeve (3) is provided with an internal thread matched with the external thread (102); a flange (301) is arranged on one end face of the fixed sleeve (3), and a shaft sleeve (302) matched with the rotating shaft (101) is fixedly connected through the flange (301);

the outer diameter of the fixed sleeve (3) is smaller than that of the roller sleeve (2); a plurality of blades (303) are uniformly distributed on the circumferential side surface of the fixed sleeve (3), and the blades (303) are obliquely arranged relative to the axis of the fixed sleeve (3).

2. The structure of an anti-nodulation sink roll according to claim 1, characterized in that the spiral groove (201) has a cross-sectional shape of a right triangle with the cathetus being located at one side near the axial symmetry center line.

3. The anti-accretion sink roll structure according to claim 1, characterized in that the cross-sectional shape of the spiral groove (201) is rectangular, and an inclined surface (2011) is arranged between the inner wall of the spiral groove (201) on the side far away from the axial symmetry center line and the circumferential side surface of the roll shell (2).

4. The structure of claim 1, wherein the flange (301) has a plurality of threaded through holes (3011) circumferentially arrayed on a side surface thereof.

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