CN212525450U - Roller way heat preservation cover with wire rod temperature homogenization function - Google Patents
Roller way heat preservation cover with wire rod temperature homogenization function Download PDFInfo
- Publication number
- CN212525450U CN212525450U CN202020566484.7U CN202020566484U CN212525450U CN 212525450 U CN212525450 U CN 212525450U CN 202020566484 U CN202020566484 U CN 202020566484U CN 212525450 U CN212525450 U CN 212525450U
- Authority
- CN
- China
- Prior art keywords
- wire rod
- roller way
- heat
- heat preservation
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The utility model provides a roll table heat preservation cover with wire rod temperature homogenization function, belongs to wire rod production facility technical field for carry out the temperature homogenization to the wire rod. The technical scheme is as follows: the inner wall of a top plate of the roller way heat-insulating cover is in the shape of two identical upper concave circular arcs, the two upper concave circular arcs are symmetrically connected on two sides of the central line of the roller way heat-insulating cover, the two upper concave circular arcs are respectively a part of two oval shapes, one focus of the two ovals is overlapped on the central line of the roller way heat-insulating cover, and the other focus is respectively positioned on the edge of a wire rod in the roller way heat-insulating cover. The utility model discloses utilize the high temperature heat radiation of wire rod limit portion overlap joint point position to heat wire rod middle part position, even the temperature of the different positions of wire rod, reduced the formation of hard looks tissue of wire rod middle part position, reduced the difference of the different positions tensile strength of wire rod. The utility model has scientific design, does not need an external heat source, does not need to excessively reduce the speed of the roller way, reduces the investment and has obvious economic benefit.
Description
Technical Field
The utility model relates to a roll table heat preservation cover that can carry out temperature homogenization to wire rod belongs to wire rod production facility technical field.
Background
In the production process of wire rods, reducing the temperature difference between the edge lap joint point and the middle part of the wire rod when the wire rod is cooled on a roller way after spinning is always the direction of effort of a high-speed wire rod factory for producing wire rod products needing slow cooling. Under conventional conditions, the arrangement at the overlapping points of the edge parts of the wire rod is dense, and the arrangement at the middle part of the wire rod is loose, so that the cooling speed and the cooling temperature at the overlapping points of the edge parts of the wire rod and the middle part of the wire rod have obvious difference in the cooling process. The difference in temperature between the two locations of the wire rod directly results in a difference in the phase change structure. Particularly, in the middle of the wire rod, the wire rod is loose in arrangement and fast in cooling, so that hard phase structures such as bainite and martensite are easy to appear, and the phenomena of wire drawing breakage and the like occur in the drawing process of a downstream user.
In order to solve the problem of uneven temperature of the lap joint point at the edge of the wire rod and the middle of the wire rod, the direct technical means is to reduce the speed of a roller way, so that the wire rod is arranged more densely on the roller way after being spun, and the cooling speed of the middle of the wire rod is reduced. However, after the speed of the roller way is reduced, the weight of the wire rod on the roller way in unit length is greatly increased, higher requirements are put on the material of the roller way, the circuit of a roller way driving system and the capacity of a motor, the equipment investment is huge, and the roller way roller is easy to creep when bearing large stress for a long time at high temperature, so that the roller way is deformed and fails. And the manufacturer also adopts an external heat source heat supplementing method at the middle part of the wire rod, but the equipment investment and the energy consumption are large, which are not beneficial to reducing the production cost of the wire rod.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a roll table heat preservation cover with wire rod temperature homogenization function is provided, this kind of roll table heat preservation cover can reduce the temperature difference at the wire rod limit portion overlap joint and the wire rod middle part of the heat preservation cover of roll table, improves the inhomogeneity of wire rod tissue, finally reduces the wire rod with circle tensile strength's difference, satisfies the user to the requirement of wire rod tensile strength fluctuation range, is applicable to the production of the wire rod product that the altitude workshop needs slow cooling.
The technical scheme for solving the technical problems is as follows:
the utility model provides a roll table heat preservation cover with wire rod temperature homogenization function, it includes roll table heat preservation cover, the heat preservation cover bracing piece, heat preservation cover switching mechanism, roll table heat preservation cover covers in the roll table top, one end of heat preservation cover bracing piece is connected in one side of roll table heat preservation cover, the other end of heat preservation cover bracing piece is connected with heat preservation cover switching mechanism, the roof inner wall shape of roll table heat preservation cover is two the same concave arc shapes, the circular arc bending direction of two concave arc shapes is perpendicular with the traffic direction of roll table, two concave arc shapes are in the central line bilateral symmetry connection of roll table heat preservation cover, two concave arc shapes are two oval shape partly respectively, a focus of two ellipses overlaps on the central line of roll table heat preservation cover, another focus of two ellipses is located the limit portion of the wire rod in the heat preservation cover respectively.
Above-mentioned roll table heat preservation cover with wire rod temperature homogenization function, roll table heat preservation cover's roof inner wall surface is smooth mirror surface.
The utility model has the advantages that:
the utility model discloses utilize oval special optical property, the light that sends from oval focus promptly, through oval reflection back, reflection light hands over on oval another focus, consequently establishes a focus of ellipse at the limit portion of wire rod, and another focus is established at the middle part of wire rod, and the heat radiation of wire rod limit portion can assemble the wire rod middle part through oval reflection, heats the wire rod middle part effectively, reaches the purpose of wire rod temperature homogenization.
The utility model discloses a roll table keeps warm and covers's initiative, through the redesign to high line factory coil cooling line roll table heat preservation cover inlayer shape, has realized that the high temperature heat radiation that utilizes coil rod limit portion overlap joint point position heats coil rod wire rod middle part position, has evenly homogenized the temperature of coil rod different positions, has reduced the hard generation of organizing mutually of coil rod middle part position, has reduced the difference of the different positions tensile strength of coil rod. The utility model relates to a science, simple manufacture need not external heat source to carry out the concurrent heating to wire rod middle part position, also need not excessively reduce roller table speed, have avoided the transformation investment to equipment such as roll table, have apparent economic benefits.
Drawings
Fig. 1 is a schematic structural view of the roller way heat-insulating cover of the utility model;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top plan view of the coil placement of FIG. 1;
FIG. 4 is a schematic diagram of the establishment and calculation of an ellipse equation of the roller way heat-insulating cover;
FIG. 5 is a schematic view showing a calculated elliptical shape of the roller way insulating cover according to example 1;
FIG. 6 is a schematic view showing a calculated elliptical shape of the roller way insulating cover according to example 2;
fig. 7 is a schematic view showing the calculated elliptical shape of the roller way heat-insulating cover in example 3.
The figures are labeled as follows: the device comprises a roller way transmission mechanism protection cover 1, a roller way heat preservation cover 2, a heat preservation cover support rod 3, a heat preservation cover opening and closing mechanism 4, a roller way 5, a wire rod 6, a fan 7, a roller way transmission mechanism 8, an upper concave arc 9, a right ellipse 10, a right focus 11, a right incident ray 12, a right reflection ray 13, a middle focus 14, a left ellipse 15, a left focus 16, a left incident ray 17 and a left reflection ray 18.
Detailed Description
The utility model discloses a design idea exchanges through the heat of wire rod self, uses the heat of wire rod limit portion to heat in the middle of the wire rod, reaches wire rod temperature homogenization, and need not increase heating device. The theoretical basis is as follows:
first, an ellipse has special optical properties, i.e., light rays emitted from one focus of the ellipse are reflected by the ellipse, and the reflected light rays intersect at the other focus of the ellipse. Since heat radiation is also an electromagnetic wave, it can be reflected by a smooth surface as well as light. By utilizing the special optical property of the ellipse, the heat source and the heated object can be respectively placed on two focuses of the ellipse, so that the heat radiation of the heat source can be converged on the heated object through the reflection of the ellipse, and the heated object is effectively heated.
Secondly, for the production of the wire rod, the lap joint point of the edge part with higher temperature during cooling can be regarded as a heat source, and the middle part of the wire rod with lower temperature can be regarded as a heated object. By utilizing the position relation of the two parts, an ellipse equation with the two parts as a focus can be established, and then materials (such as 316 stainless steel and the like) with polished surfaces and oxidation resistance are manufactured into shapes described by the ellipse equation and used as the inner layer of the roller way heat preservation cover. Through the special shape and smooth surface of the oval inner layer, the heat radiation at the position of the lap joint point of the edge part is converged to the middle position of the wire rod, and the middle position of the wire rod is heated to realize the homogenization of the temperature of the wire rod.
Fig. 1, 2, 3 show, the utility model discloses a roll table keeps warm and covers including roll table heat preservation cover 2, heat preservation cover support 3 poles, heat preservation cover switching mechanism 4, and roll table heat preservation cover 2 covers in roll table 5 top, and the one end of heat preservation cover bracing piece 3 is connected in one side of roll table heat preservation cover 2, and the other end of heat preservation cover bracing piece 3 is connected with heat preservation cover switching mechanism 4.
Fig. 1 and 2 show that the inner wall of the roller way heat-insulating cover top plate is in the shape of two identical upper concave circular arcs 9, the circular arc bending directions of the two upper concave circular arcs 9 are perpendicular to the running direction of the roller way 5, and the two upper concave circular arcs 9 are symmetrically connected on two sides of the central line of the roller way heat-insulating cover 2.
Fig. 1 and 2 show that the inner wall surface of the top plate of the roller way heat-insulating cover 2 is a smooth mirror surface, and the surface of the roller way heat-insulating cover is made of polished and oxidation-resistant materials (such as 316 stainless steel) to form an upper concave arc 9 shape, so that heat radiation at the lap joint position of the edge part of the wire rod 6 is reflected and converged to the middle part of the wire rod 6.
Fig. 4 shows that two upper concave circular arcs 9 of the roller way heat-insulating cover 2 are respectively a part of a right ellipse 10 and a left ellipse 15, the intermediate focus 14 of the right ellipse 10 and the left ellipse 15 is overlapped on the central line of the roller way heat-insulating cover, and the right focus 11 of the right ellipse 10 and the left focus 16 of the left ellipse 15 are respectively positioned at the edge of the wire rod 6 in the roller way heat-insulating cover 2. The heat on the right side of the wire rod 6 reaches the right focus 11 through the right incident ray 12, and then passes through the middle part of the wire rod 6 at the middle focus 14 reflected by the right reflection ray 13; similarly, the heat from the left side of the wire rod 6 reaches the left focus 16 through the left incident ray 17, and then heats the middle of the wire rod 6 through the middle of the wire rod 6 at the middle focus 14 reflected by the left reflected ray 18.
Fig. 4 shows that the calculation method of the right ellipse 10 and the left ellipse 15 corresponding to the two upper concave arc shapes 9 of the roller way heat-insulating cover 2 comprises the following steps:
a. establishing a coordinate system: taking horizontal lines from the upper plane of the roller way to two ends of the roller way heat-insulating cover 2 as a straight line of an x axis of a coordinate system, taking one point of the center of the roller way heat-insulating cover positioned on the straight line of the x axis as an origin of a coordinate axis, taking a straight line on the right side of the origin of the coordinate axis as the x axis, and taking a straight line vertically upwards from the origin of the coordinate axis as a y axis of the coordinate system;
b. determining parameters: the coil diameter of the wire rod is D, the width of a wire rod cooling roller way is W, and the vertical height from the roller way to the lower surface of a roller way heat-insulating cover top plate is H;
c. an ellipse equation is established: because two the same last concave circular arcs of roll table heat preservation cover roof are partly of two oval shapes respectively, a focus of two ellipses overlaps on the central line of roll table heat preservation cover, and another focus of two ellipses is located the both sides in the roll table heat preservation cover respectively, consequently the ellipse equation at roll table heat preservation cover central line both sides is the same, because of the x axle of the coordinate system of setting for on the right side of roll table heat preservation cover central line, then the ellipse equation on roll table heat preservation cover central line right side is:
wherein x and y are respectively horizontal and vertical coordinate parameters, and a and b are parameters in an elliptic equation;
d. calculating an ellipse equation, drawing an ellipse shape, and according to the set W, H parameter, passing the ellipse equation through (
H), so the equation can become:
according to the geometric properties of the ellipse, a2-b2=
2Therefore, the values of a and b can be solved for the following system of equations:
wherein W, H and D are known numbers, and a and b values can be obtained, namely an oval shape can be drawn;
e. after the ellipse is drawn, the ellipse is cut at 0,W]and y is>The part 0 can be used as an upper concave arc 9 on the lower surface of the top plate on the right side of the roller way heat-insulating cover 2;
f. the upper concave arc shape 9 of the lower surface of the top plate on the left side of the roller way heat-insulating cover 2 is the same as the upper concave arc shape 9 of the lower surface of the top plate on the right side of the roller way heat-insulating cover 2, and the two sides of the central line of the roller way heat-insulating cover 2 are symmetrical.
Fig. 5 to 7 show the calculation results of the shapes of the inner layers of the roller way heat-insulating covers 2 of the embodiments 1, 2 and 3, wherein the dotted lines are the calculated ellipse equations arranged according to the positions of the wire rods 6, because the widths of the roller way 5 and the roller way heat-insulating cover 2 are limited, the shape of the upper concave arc 9 of the actual roller way heat-insulating cover 2 is given by a thickened line, and the middle transverse line shows the positions of the wire rods 6.
Example 1
The diameter of a coil of a certain plant of wire rods 6 is 1075mm, the width of a wire rod cooling roller way 5 is 1500mm, and the vertical height from the roller way 5 to the edge of the roller way heat preservation cover 2 is 700 mm. By using the data, the right-side ellipse equation which needs to be satisfied by the shape of the roller way heat-insulating cover 2 can be calculated as follows:
considering that the wire rod 6 and the roller way 5 are symmetrical about the central line, the shape of the upper concave arc 9 of the roller way heat preservation cover 2 is calculated and shown in figure 5.
Example 2
The circle diameter of a certain plant coil 6 is 1034mm, the width of the coil cooling roller way 5 is 1450mm, and the vertical height from the roller way 5 to the edge of the roller way heat-insulating cover 2 is 450 mm. By using the data, the right-side ellipse equation which needs to be satisfied by the shape of the roller way heat-insulating cover 2 can be calculated as follows:
considering that the wire rod 6 and the roller way 5 are symmetrical about the central line, the shape of the upper concave arc 9 of the roller way heat preservation cover 2 is calculated as shown in fig. 6.
Example 3
The circle diameter of a certain plant of wire rods 6 is 1050mm, the width of a wire rod cooling roller way 5 is 1500mm, and the vertical height from the roller way 5 to the edge of the roller way heat-insulating cover 2 is 600 mm. By using the data, the right-side ellipse equation which needs to be satisfied by the shape of the roller way heat-insulating cover 2 can be calculated as follows:
considering that the wire rod 6 and the roller way 5 are symmetrical about the central line, the shape of the upper concave arc 9 of the roller way heat-insulating cover 2 is calculated as shown in fig. 7.
Claims (2)
1. The utility model provides a roll table heat preservation cover with wire rod temperature homogenization function, it includes roll table heat preservation cover (2), heat preservation cover bracing piece (3), heat preservation cover closing mechanism (4), roll table heat preservation cover (2) cover in roll table (5) top, and the one end of heat preservation cover bracing piece (3) is connected in one side of roll table heat preservation cover (2), and the other end of heat preservation cover bracing piece (3) is connected with heat preservation cover closing mechanism (4), its characterized in that: the inner wall of a top plate of the roller way heat-insulating cover (2) is in the shape of two identical upper concave circular arcs (9), the circular arc bending direction of the two upper concave circular arcs (9) is perpendicular to the running direction of the roller way (5), the two upper concave circular arcs (9) are symmetrically connected with each other on two sides of the central line of the roller way heat-insulating cover (2), the two upper concave circular arcs (9) are respectively a part of two ellipses, one focus of each ellipse is overlapped on the central line of the roller way heat-insulating cover (2), and the other focus of each ellipse is respectively positioned on the edge of a wire rod (6) in the roller way heat-insulating cover (2).
2. The roller way heat-insulating cover with the wire rod temperature homogenizing function according to claim 1, characterized in that: the surface of the inner wall of the top plate of the roller way heat-insulating cover (2) is a smooth mirror surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020566484.7U CN212525450U (en) | 2020-04-16 | 2020-04-16 | Roller way heat preservation cover with wire rod temperature homogenization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020566484.7U CN212525450U (en) | 2020-04-16 | 2020-04-16 | Roller way heat preservation cover with wire rod temperature homogenization function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212525450U true CN212525450U (en) | 2021-02-12 |
Family
ID=74519085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020566484.7U Active CN212525450U (en) | 2020-04-16 | 2020-04-16 | Roller way heat preservation cover with wire rod temperature homogenization function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212525450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570536A (en) * | 2020-04-16 | 2020-08-25 | 河钢股份有限公司 | Roller way heat-insulating cover with wire rod temperature homogenizing function and design method |
-
2020
- 2020-04-16 CN CN202020566484.7U patent/CN212525450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570536A (en) * | 2020-04-16 | 2020-08-25 | 河钢股份有限公司 | Roller way heat-insulating cover with wire rod temperature homogenizing function and design method |
| CN111570536B (en) * | 2020-04-16 | 2024-05-28 | 河钢股份有限公司 | Roller way heat preservation cover with wire rod temperature homogenizing function and design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212525450U (en) | Roller way heat preservation cover with wire rod temperature homogenization function | |
| CN102303407B (en) | Equipment and method for preparing polytetrafluoroethylene (PTFE) membrane by three-dimensional (3D) stretching | |
| CN104556643B (en) | The bend molding apparatus of glass plate and method | |
| CN103256724A (en) | Solar light condensed heat collector and method for designing solar light condensed heat collector | |
| CN104133287B (en) | A kind of large-scale disc type solar energy condenser minute surface and manufacture method thereof | |
| CN111570536A (en) | Roller way heat-insulating cover with wire rod temperature homogenizing function and design method | |
| CN106746524A (en) | Post forming vehicle glass hot bending die | |
| CN203768612U (en) | Hot roll heat compensation device for non-woven fabric | |
| US20080290140A1 (en) | Welding Hollow Flange Members | |
| CN202717701U (en) | Fixed bent tempered glass forming equipment | |
| CN205119854U (en) | Cooling air flow field guiding device in air cooling condenser unit | |
| CN202583576U (en) | Differential arc point supporting edge part-turning-formed groove type parabolic mirror | |
| CN206089954U (en) | Textile thread yarn hot stretching device | |
| CN104891790B (en) | A kind of symmetrical concentrated force couples hot bending device and its application with evenly load | |
| CN211170768U (en) | Novel coil for induction heat treatment of strip | |
| CN207881532U (en) | Heat exchange structure, heat transmission equipment and air-conditioner set | |
| CN207373527U (en) | Wind electricity blade web mold | |
| CN206294371U (en) | Coil panel component and electromagnetic cooking appliance | |
| JP3633373B2 (en) | Welded steel pipe manufacturing equipment | |
| CN204749447U (en) | A set composite that is used for multifilament compound nos latitude cloth production | |
| CN216055661U (en) | Optical fiber coiling structure, optical fiber cooling device and optical fiber laser | |
| CN202989340U (en) | High-frequency coil for producing seven or eight silicon cores | |
| CN220723944U (en) | Embossing roller, calendaring mechanism and photovoltaic glass manufacturing production line | |
| CN202894655U (en) | Large elbow forming tool | |
| CN103046119A (en) | High-frequency coil for producing seven or eight silicon cores |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |