CN215279341U - Rolling mill capable of accurately adjusting helix angle of S-shaped insert - Google Patents

Abstract

The utility model provides a but rolling mill of accurate adjustment S type insert helical angle mainly includes rolling mill and graduated disk, and the rolling mill includes the fixing base, runs through axle sleeve, the fixed mounting that the fixing base face set up at the chassis of axle sleeve one end, installs the roll set on the chassis terminal surface and installs the control handle on the axle sleeve. The device is simple in structure and practical and effective, the strip-shaped insert is only required to be sent into a rolling mill, the plate surfaces on the two sides are stressed and bent by the vertical acting forces in opposite directions of the two rollers 4, the S-shaped insert is formed, the angle of the spiral angle of the S-shaped insert is adjustable, and the control handle is only required to be aligned to the scale marks of the index plate, so that the device is simple, convenient and quick.

Description

Rolling mill capable of accurately adjusting helix angle of S-shaped insert

Technical Field

The utility model mainly relates to a steel rolling process equipment technical field especially relates to a rolling mill that can accurate adjustment S type insert helical angle.

Background

The heat exchanger is one of main devices of a large-scale heating furnace, is a main energy-saving device of the heating furnace, and plays an important role in the combustion efficiency and the combustion stability of the heating furnace; the heat exchanger with high heat exchange efficiency and long service life is designed, manufactured and used as a target pursued for years, and through years of research and use of the heat exchanger by the industrial personnel, the heat efficiency of the heating furnace can be effectively improved by adding the insert into the heat exchanger of the heating furnace;

comparative table of heat transfer coefficient and resistance for various inserts:

the heat exchanger with the insert plays a great energy-saving role in production practice due to the outstanding advantages of the heat exchanger, wherein the S-shaped insert has the largest heat transfer coefficient amplitude and high heat exchange efficiency. The heat exchange coefficients, comprehensive indexes and the like of the S-shaped inserts with different spiral angles are different, and the performance requirements of the S-shaped inserts with different spiral angles of different heat exchangers are different, so that a device for simply and effectively customizing the spiral angles of the S-shaped inserts is needed.

SUMMERY OF THE UTILITY MODEL

There is the difference in order to solve the S type insert performance demand of different heat exchangers to different helix angles, needs one kind can simply carry out the technical problem of customization to S type insert helix angle effectively, the utility model provides a but rolling mill of accurate adjustment S type insert helix angle.

The utility model provides a technical scheme does:

the utility model provides a rolling mill capable of accurately adjusting the helical angle of an S-shaped insert, which comprises a rolling mill and an index plate, wherein the rolling mill comprises a fixed seat, a shaft sleeve arranged by penetrating through the surface of the fixed seat, a chassis fixedly arranged at one end of the shaft sleeve, a roller group arranged on the end surface of the chassis and a control handle arranged on the shaft sleeve; the shaft sleeve is movably connected with the fixed seat; the chassis is arranged on one side of the fixed seat, and a gap is formed between the chassis and the fixed seat; the dividing plate is arranged in the gap and fixedly arranged on one side of the fixed seat, and a round hole is formed in the center of the dividing plate; the shaft sleeve penetrates through the round hole and is not in contact with the dividing plate; the end surface of the roller group is far away from the fixed seat; the roller group consists of two fixing pieces and two rollers; the two fixing pieces are oppositely arranged on the end surface of the chassis; the two rollers are movably arranged between the two fixing pieces; the axes of the two rollers are parallel to each other.

Preferably, the plate surface of the control handle is provided with a calibration line.

Preferably, a second gap is formed between the dividing plate and the base plate, and the control handle is arranged in the second gap and fixedly mounted on the shaft sleeve.

Preferably, the roller is in the shape of a rotating ellipsoid or cylinder.

Preferably, a screw hole is formed between the fixed seat and the shaft sleeve; and a positioning bolt is arranged in the screw hole.

Preferably, the shaft sleeve consists of an inner ring shaft sleeve and an outer ring shaft sleeve sleeved outside the inner ring shaft sleeve, the inner ring shaft sleeve and the outer ring shaft sleeve are welded into a whole, the outer ring shaft sleeve is provided with an annular groove, and the annular groove is filled with rubber; the width of the annular groove is larger than the diameter of the positioning bolt and smaller than the width of the fixed seat.

The utility model has the advantages that:

the utility model provides a but rolling mill of accurate adjustment S type insert helical angle, this device simple structure, effective conscientiously, only need send rectangular form insert into the rolling mill, the both sides face just can the atress be crooked through two roll opposite direction' S perpendicular effort, the shape becomes S type insert, S type insert helical angle angularly adjustable simultaneously, only need with the control handle aim at the graduated scale mark of graduated disk can, simple and convenient swift.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a perspective view of the present invention from another angle;

fig. 3 is a left side view of the present invention;

FIG. 4 is a three-dimensional structure diagram of the interior of the present invention;

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

In order to solve the problem that different heat exchangers have different performance requirements on the S-shaped inserts with different spiral angles, the technical problem that the spiral angles of the S-shaped inserts can be simply and effectively customized is needed, an embodiment of the utility model provides a rolling mill capable of accurately adjusting the spiral angles of the S-shaped inserts, which comprises a rolling mill 1 and an index plate 2, wherein the rolling mill 1 comprises a fixed seat 101, a shaft sleeve 102 penetrating through the plate surface of the fixed seat 101, a chassis 103 fixedly arranged at one end of the shaft sleeve 102, a rolling roll group 104 arranged on the end surface of the chassis 103 and a control handle 105 arranged on the shaft sleeve 102; the shaft sleeve 102 is movably connected with the fixed seat 101; the chassis 103 is arranged on one side of the fixed seat 101, and a gap is formed between the chassis and the fixed seat 101; the dividing plate 2 is arranged in the gap and fixedly arranged on one side of the fixed seat 101, and a round hole is formed in the center of the dividing plate 2; the shaft sleeve 102 penetrates through the circular hole, and the shaft sleeve 102 is not in contact with the dividing plate 2; the end surface of the mounting roller group 104 is far away from the fixed seat 101; the roll set 104 is composed of two fixed members 3 and two rolls 4; the two fixing pieces 3 are oppositely arranged on the end surface of the chassis 103; the two rollers 4 are movably arranged between the two fixed parts 3; the axes of the two rolls 4 are parallel to each other.

When the rolling mill capable of accurately adjusting the helix angle of the S-shaped insert according to this embodiment is operated, as shown in fig. 1 to 3, the rotation angle of the control handle 105 is adjusted according to the actual requirement before use, the actual rotation angle is determined according to the scales on the index plate 2, and since the index plate 2 is not in contact with the shaft sleeve 102, and the chassis 103, the roll set 104 and the handle are fixedly mounted on the shaft sleeve 102, when the handle 105 is adjusted, the chassis 103 and the shaft sleeve 102 will rotate along with the control handle 105, and the index plate 2 and the fixed seat 101 will not change in any angular variation; as shown in fig. 2, the strip-shaped insert 10 is pushed into the rolling mill from the side where the rollers 4 are arranged (the insert 10 can be conveyed by a conveying device), the insert 10 is twisted on two sides under the action of the external force of the two rollers 4 perpendicular to the plate surface (the force vectors of the two rollers 4 acting on the insert are opposite to each other: vertically upward and vertically downward), and finally the S-shaped insert 10 is output from the other end of the sleeve 102, and the final shape of the insert 10 is not influenced by the pushing-in speed of the insert 10. The device is simple in structure and practical and effective, only the strip-shaped insert 10 needs to be sent into a rolling mill, the plate surfaces on the two sides are stressed and bent through the vertical acting forces in opposite directions of the two rollers 4 to form an S-shaped insert, the angle of the spiral angle of the S-shaped insert is adjustable, and only the control handle 105 needs to be aligned to the scale marks of the index plate 2, so that the device is simple, convenient and quick.

In order to make the angle of the spiral angle more accurate, as shown in fig. 1, in this embodiment, it is preferable that a calibration line 9 is provided on the plate surface of the control handle 105, and by setting the calibration line 9 on the control handle 105, the system deviation caused by indiscriminate selection of a reference in the actual operation process can be effectively avoided, wherein the position of the calibration line 9 is obtained by actual measurement and calculation; the position of the calibration line 9 can also be determined first, with reference to which the helix angle generated under ideal conditions is measured or calculated.

In this embodiment, a second gap is preferably provided between the index plate 2 and the base plate 103, and the control handle 105 is fixedly mounted on the sleeve 102 in the second gap.

In order to improve the surface smoothness of the production insert 10, it is preferred in this embodiment that the roll 4 has a shape of a rotating ellipsoid or cylinder, as shown in fig. 2, and the smooth surface of the roll 4 minimizes frictional losses to the insert surface during the insert insertion process.

In order to fix the angle-adjusted roll group 104, as shown in fig. 3, in the present embodiment, it is preferable that a screw hole is provided between the fixed seat 101 and the sleeve 102; a positioning bolt 5 is arranged in the screw hole, the shaft sleeve 102 is composed of an inner ring shaft sleeve 6 and an outer ring shaft sleeve 7 sleeved outside the inner ring shaft sleeve 6, the inner ring shaft sleeve 6 and the outer ring shaft sleeve 6 are welded into a whole, the outer ring shaft sleeve 6 is provided with an annular groove 8, and the annular groove 8 is filled with rubber; the width of the annular groove 8 is larger than the diameter of the positioning bolt 5 and smaller than the width of the fixed seat 101; after the roll set 104 and the shaft sleeve 102 are subjected to angle fixing, the positioning bolt 5 is screwed into the screw hole and is in contact with the rubber in the annular groove 8, the length of the positioning bolt 5 is larger than that of the screw hole, the positioning bolt 5 is ensured to completely pass through the positioning bolt 5, the end part of the positioning bolt is embedded into the rubber, and the positioning effect is realized by the friction force between the positioning bolt 5 and the rubber.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims (6)

1. A rolling mill capable of accurately adjusting the helical angle of an S-shaped insert is characterized by comprising a rolling mill and an index plate, wherein the rolling mill comprises a fixed seat, a shaft sleeve arranged by penetrating through the plate surface of the fixed seat, a chassis fixedly arranged at one end of the shaft sleeve, a roller group arranged on the end surface of the chassis and a control handle arranged on the shaft sleeve;

the shaft sleeve is movably connected with the fixed seat; the chassis is arranged on one side of the fixed seat, and a gap is formed between the chassis and the fixed seat; the dividing plate is arranged in the gap and fixedly arranged on one side of the fixed seat, and a round hole is formed in the center of the dividing plate; the shaft sleeve penetrates through the round hole and is not in contact with the dividing plate; the end surface of the roller group is far away from the fixed seat; the roller group consists of two fixing pieces and two rollers; the two fixing pieces are oppositely arranged on the end surface of the chassis; the two rollers are movably arranged between the two fixing pieces; the axes of the two rollers are parallel to each other.

2. The rolling mill of claim 1 with a precisely adjustable S-insert helix angle, wherein: and a calibration line is arranged on the surface of the control handle.

3. The rolling mill of claim 1 with a precisely adjustable S-insert helix angle, wherein: a second gap is formed between the index plate and the base plate, and the control handle is arranged in the second gap and fixedly installed on the shaft sleeve.

4. The rolling mill of claim 1 with a precisely adjustable S-insert helix angle, wherein: the roller is in a shape of a rotating ellipsoid or a cylinder.

5. The rolling mill of claim 1 with a precisely adjustable S-insert helix angle, wherein: a screw hole is formed between the fixed seat and the shaft sleeve; and a positioning bolt is arranged in the screw hole.

6. The rolling mill capable of precisely adjusting the helix angle of an S-shaped insert of claim 1 or 5, wherein: the shaft sleeve consists of an inner ring shaft sleeve and an outer ring shaft sleeve sleeved outside the inner ring shaft sleeve, the inner ring shaft sleeve and the outer ring shaft sleeve are welded into a whole, the outer ring shaft sleeve is provided with an annular groove, and rubber is filled in the annular groove; the width of the annular groove is larger than the diameter of the positioning bolt and smaller than the width of the fixed seat.

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