CN109794512B - Corrugated roller for rolling laminated plate with laminated structure - Google Patents

Corrugated roller for rolling laminated plate with laminated structure Download PDF

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Publication number
CN109794512B
CN109794512B CN201910028572.3A CN201910028572A CN109794512B CN 109794512 B CN109794512 B CN 109794512B CN 201910028572 A CN201910028572 A CN 201910028572A CN 109794512 B CN109794512 B CN 109794512B
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roll
axial
laminations
circumferential
roller
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CN109794512A (en
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冯光
王涛
韩建超
任忠凯
和东平
黄庆学
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Weifang Gesheng Construction And Installation Engineering Co ltd
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Taiyuan University of Technology
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Abstract

The invention relates to the technical field of rollers, in particular to a corrugated roller for rolling a laminated plate with a laminated structure. The roll core shaft is sleeved with a plurality of laminations side by side, adjacent laminations are tightly attached, two axial ends of all the laminations are positioned and supported by the supporting check rings respectively, and the outer end faces of the supporting check rings are fastened by the locking nuts; the circumferential corrugation of the laminations themselves and the difference in phase difference between the laminations with respect to the mandrel of the roll constitute the corrugation surfaces of the roll. When the metal laminate is rolled by the roller, the bonding strength at the interface between the two metals is improved, the cooperative deformation is promoted, and the warpage is suppressed.

Description

Corrugated roller for rolling laminated plate with laminated structure
Technical Field
The invention relates to the technical field of rollers, in particular to a corrugated roller for rolling a laminated plate with a laminated structure.
Background
With the higher and stricter requirements on material performance in high-end industrial fields such as aerospace, ocean, nuclear power, shipbuilding and electronics, the traditional single material can not meet the product requirements far away, so that the rolling of two or more than two metal materials into a laminated plate by utilizing respective performance advantages becomes a solution which is concerned. However, due to the large performance difference between different metal materials, the problems of large residual stress, low bonding strength, severe warping and the like easily occur by applying the traditional rolling method.
Disclosure of Invention
In order to solve the above-mentioned drawbacks, an object of the present invention is to provide a corrugating roll for rolling a laminated plate having a laminated structure, which has both circumferential and axial corrugations, can form a corrugated bonding interface between metal plates, can increase a bonding area, can promote the fracture of metal oxide layers on both sides of the interface and the mutual diffusion of interface elements, enhance the mechanical properties of interface connection, refine crystal grains, improve the capability of coordinated deformation of dissimilar metals, and suppress warpage after rolling of the laminated plate.
The invention is realized by the following technical scheme: the utility model provides a corrugated roll is used in rolling of lamination formula structure's lamination board, includes roll dabber, support retaining ring and lock nut, the roll dabber is equipped with a plurality of laminations side by side, hugs closely between the adjacent lamination and the surperficial roll face that forms, and all lamination axial both ends are fixed a position and are supported through supporting the retaining ring respectively, and the outside terminal surface of supporting the retaining ring realizes the fastening through lock nut.
As a further improvement of the technical scheme of the invention, the roller mandrel is axially divided into a plurality of sections, wherein the end section at one end is a roller joint connected with the driving shaft, the middle section is sleeved and matched with all the lamination sheets, the two outward side sections of the middle section are sleeved and matched with the supporting check ring, the outer side section of the supporting check ring is a threaded part in threaded fit with the locking nut, and the outer side section of the threaded part is a bearing mounting part.
As a further improvement of the technical scheme of the invention, all the laminations and the roller mandrel are in spline, single bond, double bond or interference fit.
As a further improvement of the technical scheme, the shaft hole of the lamination is a spline hole, the number of the spline teeth is designed according to needs, the thickness of the lamination is 1-10 mm, and the spline hole can be machined in a linear cutting mode.
As a further improvement of the technical scheme of the invention, the roll surface of the roll is provided with circumferential corrugations.
As a further improvement of the technical scheme of the invention, the peripheral corrugated shape characteristics of the lamination are designed into sine, cosine, parabola, triangle and other function curves with specific rules according to requirements, and the included angle between the peripheral corrugated shape characteristics of each lamination and the shaft hole is a determined value.
As a further improvement of the technical scheme of the invention, the included angles between the peripheral corrugated shape characteristics of adjacent laminations and the shaft holes can be designed to be the same value or different values; when the included angles are the same, the obtained axial ripples of the roll surface of the roll are straight lines; when the included angles are different, the obtained axial corrugations of the roll surface of the roll are curves; the final profile of the roll surface is described by the circumferential and axial corrugations of the laminations.
As a further improvement of the technical scheme of the invention, the peripheral corrugation shape of each lamination forming the roller can adopt the same characteristic function or different characteristic functions; the radial dimensions of the laminations making up the roll may be the same or different.
As a further improvement of the technical scheme of the invention, when the circumferential corrugation of the roll surface of the roll changes according to a sine rule, the shape of the circumferential corrugation can be described by the following equation:
F0=R0+A0sin(N0θ)
wherein R is0The pitch diameter of the lamination (200);
A0is a circumferential ripple amplitude;
N0the number of the circumferential corrugations;
theta is a phase angle and 0 & lttheta & lt & gt & lt2 pi.
As a further improvement of the technical scheme of the invention, when the roll surface of the roll is provided with axial corrugations and the axial corrugations are zigzag, alpha of adjacent laminations in an axial corrugation ascending section is 2 phi/n, and alpha of adjacent laminations in an axial corrugation descending section is-2 phi/n, wherein alpha is a phase angle of circumferential corrugations of each lamination relative to a shaft hole, phi is a corresponding central angle in one period of the axial corrugations, and n is the number of laminations in one period of the axial corrugations; when the roll surface of the roll is provided with axial ripples which change according to the sine rule,
α=Asin(2π(N+1)/n)/(R0+A0)×180/π-Asin(2πN/n)/(R0+A0) X 180/pi, where A is the axial ripple amplitude, N is the axial ripple period number, R0Is the lamination pitch diameter, A0Is a circumferential ripple amplitude; when the axial corrugation of the roller surface of the roller is a spiral curved surface, the alpha of the adjacent lamination increases progressively according to a constant; when the roll surface of the roll is axially ripple-free, the alpha of adjacent laminations is equal.
The invention has the beneficial effects that:
1. the corrugated roller can form a bonding interface with transverse waves and longitudinal waves between metal plates, so that the surfaces to be bonded of two layers of metals are subjected to severe plastic deformation to the maximum extent under the action of fluctuating pressure, the surface oxide layer is promoted to break, clean and activated fresh metals are extruded from the broken oxide layer, fresh metal atoms are diffused mutually to form metallurgical bonding, the shape of the bonding surface is improved from the traditional two-dimension to the three-dimension, and the bonding layer is continuously reinforced in the subsequent heat treatment process to form firm bonding.
2. When the metal laminated plate is rolled by using the roller with the circumferential corrugations and the axial corrugations, material supplement in two directions can be provided for rolling one side of the metal which is difficult to deform in the second pass, and coordinated deformation of the two metals is promoted, so that the problem of poor deformation coordination caused by the difference of the metal plate material and the mechanical property can be solved simultaneously, and the axial corrugations of the roller have a good effect of inhibiting the warping of the plate.
3. The corrugated roller structure for rolling the laminated plate has the advantages that the manufacturing difficulty of the roller is lower than that of an integrated structure by discretizing a complex roller surface, and the shape of the corrugated surface of the roller is easy to regulate and control; the roll surface of the corrugated roll is formed by combining a plurality of laminations, and the interleaving among the laminations can cause the roll surface to be a non-smooth surface, so that the friction force between the roll and a metal plate is increased, and the reliability and the stability of the metal plate biting into the roll are improved;
4. the traditional roller is of an integral structure, when the roller surface needs to be replaced due to excessive wear or damage, the whole roller needs to be replaced, and if the roller structure designed by the invention is adopted, only the lamination part needs to be replaced, and the mandrel can be recycled, so that the cost of the roller is reduced.
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 front view of a corrugating roll for rolling a laminated plate of a laminated structure according to the present invention.
Fig. 2 is a schematic structural view of the roller mandrel of the present invention.
Fig. 3 is a schematic view of a lamination stack according to the present invention.
Fig. 4 is a cross-sectional view of a roll mandrel and lamination assembly.
Fig. 5 shows a corrugated surface roll whose axial profile is sinusoidal.
Fig. 6 is a corrugated surface roll whose axial profile is a helical surface.
FIG. 7 is an axially non-corrugated face roll.
In the figure: 100-roll mandrel, 101-roll joint, 102-bearing mount, 103-thread portion, 104-spline portion, 200-lamination, 201-lamination circumferential corrugation, 202-spline hole, 300-backup ring, 400-lock nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
The utility model provides a corrugated roll is used in rolling of lamination board of lamination formula structure, includes roll dabber 100, support retaining ring 300 and lock nut 400, roll dabber 100 overlaps side by side and is equipped with a plurality of lamination 200, hugs closely between the adjacent lamination 200 and the surface forms the roll face, and all lamination 200 axial both ends are fixed a position and are supported through support retaining ring 300 respectively, and the fastening is realized through lock nut 400 to the outside terminal surface of support retaining ring 300.
Further, the roll dabber 100 is divided into several sections axially, and wherein one end section is the roll joint 101 of being connected with the drive shaft, and the cooperation is established with all lamination 200 covers to the interlude, and the outside both sides section of interlude cooperates with supporting retaining ring 300, and the outside section of supporting retaining ring 300 is the screw thread portion 103 with lock nut 400 screw-thread fit, and the outside section of screw thread portion 103 is bearing installation portion 102. Wherein the roll joint 101 is used for connection to the output end of the coupling connected to the drive shaft.
In specific implementation, all the laminations 200 and the roll mandrel 100 are in spline, single-key, double-key or interference fit. When a spline fit is used, the middle section of the roll mandrel 100 is a spline portion 104 (shown in fig. 2), and the lamination stack 200 has a spline hole 202 (shown in fig. 3) therein for fitting the spline portion.
Specifically, the 200 shaft holes of lamination are spline holes 202, and the number of teeth of the spline is designed as required, and the thickness value of lamination 200 is between 1-10 mm, and spline holes 202 can be processed in a linear cutting mode. The thickness of each lamination 200 may be the same or different.
As shown in fig. 3 and 4, the roll surface (i.e., the stack 200) has circumferential corrugations.
In specific implementation, the circumferential ripple shape characteristics of the laminations 200 are designed into sine, cosine, parabola, triangle and other function curves with specific rules according to requirements, and the included angle between the circumferential ripple shape characteristics of each lamination 200 and the shaft hole is a determined value. The circumferential corrugation profile of each lamination 200 is strictly phased relative to the location of the axial bore and the respective circumferential corrugation profile between adjacent laminations 200 is incrementally positioned relative to the axial bore by an amount calculated based on the desired axial profile of the corrugating roll. In the present invention, the circumferential corrugation shape characteristics include a circumferential corrugation waveform, an amplitude, a number, and the like.
Specifically, the included angle between the circumferential corrugation shape feature of the adjacent lamination 200 and the shaft hole can be designed to be the same value, and can also be designed to be different values; when the included angles are the same, the obtained axial corrugation of the roll surface of the roll is a straight line (as shown in figure 7); when the included angles are different, the obtained axial corrugations of the roll surface of the roll are curves; the resulting profile of the roll surface is described by the circumferential and axial corrugations formed by the laminations 200.
In specific application, the circumferential corrugation shapes of the laminations 200 forming the roller can adopt the same characteristic function or different characteristic functions; the radial dimensions of the laminations 200 making up the roll may be the same or different. When the same characteristic function is adopted, the circumferential corrugation rules are the same, and when different characteristic functions are adopted, the circumferential corrugation rules are different.
As shown in fig. 4, if a coordinate system is established with the horizontal and vertical center planes of the roll mandrel 100 as X-axis and Y-axis, and the origin of the coordinate is O, the position of the spline hole 202 of the stack 200 is determined, and the outer contour line of the stack 200 is designed as a sinusoidally varying curve in this embodiment. Defining a wave crest closest to the coordinate axis OY on the curve as an M point, and defining an included angle between a connecting line passing through the origin O of the coordinate and the M point and the OY axis as alpha, reasonably setting the alpha value of each lamination 200 and forming the axial corrugated surface of the roller by combination.
In order to provide an algorithm for the corrugating rolls for rolling of laminated sheets constituting a laminated structure, the invention is defined by the following parameters: f0As a function of the circumferential corrugation of the laminations 200. When the circumferential corrugation of the roll surface of the middle roll changes according to a sine law, the shape of the circumferential corrugation can be described by the following equation:
F0=R0+A0sin(N0θ) (1)
wherein R is0Is the pitch diameter of the lamination 200;
A0is a circumferential ripple amplitude;
N0the number of the circumferential corrugations;
theta is a phase angle and 0 & lttheta & lt & gt & lt2 pi.
For better illustration of the invention, specific parameters are given below, according to which different roll surfaces can be obtained, where L is the axial length of the roll surface, δ is the thickness of the stack 200, and F0As a function of the circumferential corrugation of the laminations 200, R0Alpha is the phase angle of the circumferential corrugation of the lamination 200 relative to the shaft hole, phi is the corresponding central angle in one period of the axial corrugation, N is the number of the laminations 200 in one period of the axial corrugation, A is the amplitude of the axial corrugation, N is the number of the axial corrugation periods, R is the pitch diameter of the corrugated roller0Is the pitch diameter of the lamination 200, A0Is the circumferential ripple amplitude.
If necessaryThe axial corrugation of the roller surface of the roller is designed into a sawtooth shape, and because both sides of each wave crest (or wave trough) of the sawtooth-shaped corrugation are changed in a linear rule, in an ascending section, the included angle between adjacent laminations 200 is increased by 2 phi/n; in the descending segment, the angle between adjacent laminations 200 decreases by 2 phi/n. R0=160mm,A0=5mm,N0When L is 672mm, N is 2, Φ is 19.8 °, N is 42, and δ is 8mm, the obtained corrugated roll is as shown in fig. 1.
Specifically, if it is desired to design the roll axial corrugations as sinusoidally varying curved surfaces, each axial corrugation has a length of L/N and contains L/δ laminations 200. The value of α for adjacent laminations 200 can be approximated by:
α=Asin(2π(N+1)/n)/(R0+A0)×180/π-Asin(2πN/n)/(R0+A0)×180/π (2)
when the parameter R is given0=160mm,A0=5mm,A=20mm,N0When L is 672mm, N is 2, N is 42, and δ is 8mm, the obtained corrugated roll is as shown in fig. 5.
Specifically, if it is desired to design the roll axial corrugations as helical curves, α between adjacent laminations 200 is a constant incremental increase. When the parameter R is given0=160mm,A0=5mm,N0When L is 672mm, n is 42, δ is 8mm, and α is 0.09 °, the obtained corrugated roll is as shown in fig. 6.
Specifically, if the roll surfaces are axially non-corrugated, then alpha is constant (equal) for all of the laminations 200 and the resulting corrugated roll is shown in FIG. 7.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (4)

1. The corrugated roller for rolling the laminated plate with the laminated structure comprises a roller mandrel (100), supporting check rings (300) and locking nuts (400), wherein the roller mandrel (100) is sleeved with a plurality of laminated sheets (200) side by side, adjacent laminated sheets (200) are tightly attached to each other, a roller surface is formed on the surface of each laminated sheet, the roller surface is provided with circumferential corrugations and axial corrugations, the two axial ends of all the laminated sheets (200) are positioned and supported through the supporting check rings (300), and the outer side end faces of the supporting check rings (300) are fastened through the locking nuts (400); it is characterized in that the preparation method is characterized in that,
the circumferential ripple shape characteristics of the laminations (200) are designed into sine, cosine, parabola and triangle function curves with specific rules according to requirements, and the included angle between the circumferential ripple shape characteristics of each lamination (200) and the shaft hole is a determined value;
the included angles between the circumferential ripple shape characteristics of the adjacent laminations (200) and the shaft holes are designed to be different values, and the obtained axial ripples of the roller surface of the roller are curves; the final profile of the roll surface of the roll is described by the circumferential and axial corrugations of the laminations (200);
each of the laminations (200) making up the roll, the circumferential corrugation shape of which adopts the same characteristic function; the radial dimensions of the laminations (200) making up the roll are different;
when the circumferential corrugation of the roll surface of the roll changes according to a sine law, the shape of the circumferential corrugation can be described by the following equation:
F0=R0+A0sin(N0θ)
wherein R is0The pitch diameter of the lamination (200);
A0is a circumferential ripple amplitude;
N0the number of the circumferential corrugations;
theta is a phase angle and is more than or equal to 0 and less than or equal to 2 pi;
when the roll surface is provided with axial corrugations and the axial corrugations are in sawtooth shapes, alpha of adjacent laminations (200) in an axial corrugation ascending section is 2 phi/n, and alpha of adjacent laminations (200) in an axial corrugation descending section is-2 phi/n, wherein alpha is a phase angle of circumferential corrugations of each lamination (200) relative to a shaft hole, phi is a corresponding central angle in one period of the axial corrugations, and n is the number of laminations (200) in one period of the axial corrugations; when the roll surface of the roll has axial ripples which are sinusoidalWhen varied, α ═ Asin (2 π (N +1)/N)/(R0+A0)×180/π-Asin(2πN/n)/(R0+A0) X 180/pi, where A is the axial ripple amplitude, N is the axial ripple period number, R0Is the pitch diameter of the lamination (200), A0Is a circumferential ripple amplitude; when the axial corrugation of the roll surface of the roller is a spiral curved surface, the alpha of the adjacent lamination (200) is increased in a constant increasing mode.
2. The corrugated roller for rolling the laminated plate with the laminated structure as claimed in claim 1, wherein the roller mandrel (100) is axially divided into a plurality of sections, one end section is a roller joint (101) connected with a driving shaft, the middle section is sleeved and matched with all the laminated plates (200), two outward side sections of the middle section are sleeved and matched with a supporting check ring (300), the outer side section of the supporting check ring (300) is a threaded section (103) in threaded fit with a lock nut (400), and the outer side section of the threaded section (103) is a bearing mounting section (102).
3. Corrugated roll for rolling of laminates in a laminated structure according to claim 1 or 2, characterised in that all the laminations (200) are in a spline, single bond, double bond or interference fit with the roll mandrel (100).
4. The corrugated roller for rolling the laminated plate with the laminated structure according to claim 3, wherein shaft holes of the laminated plates (200) are spline holes (202), the number of the spline teeth is designed according to needs, the thickness of the laminated plates (200) is 1-10 mm, and the spline holes (202) can be machined in a wire cutting mode.
CN201910028572.3A 2019-01-11 2019-01-11 Corrugated roller for rolling laminated plate with laminated structure Expired - Fee Related CN109794512B (en)

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CN113020287B (en) * 2021-03-01 2023-08-18 太原理工大学 Setting method of sine roll type corrugated roll gap of metal composite plate
CN114850218B (en) * 2022-07-05 2022-09-23 太原理工大学 Rolling device and method for high-bending-resistance stainless steel/bridge steel composite plate

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CN101829676A (en) * 2010-04-09 2010-09-15 江苏时代华宜电子科技有限公司 Rolling process for molybdenum billet plate
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CN106734214A (en) * 2017-03-13 2017-05-31 太原科技大学 A kind of composite (back-up) roll for rolling wave type ripple composite plate

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